Release 1.9.0

* Prepare for release 1.9.0

* Add known issues

* Bump version

* [no ci] Rename CHANGELOG.MD

.editorconfig

@@ -1,3 +1,4 @@
 [*.{kt,kts}]
+ij_kotlin_imports_layout = *
 ktlint_code_style = intellij_idea
 ktlint_function_naming_ignore_when_annotated_with = Composable

.github/ISSUE_TEMPLATE/bug-report.yml

@@ -64,7 +64,7 @@ body:
       description: 您可以通过设置-高级-导出日志来获得日志文件 / You can get logs file in Settings - Advanced - Dump logcat
       placeholder: 06-15 17:44:53.704 23382 23382 E ...
     validations:
-      required: false
+      required: true
 
   - type: textarea
     id: more
@@ -79,6 +79,15 @@ body:
     validations:
       required: false
 
+  - type: input
+    id: site
+    attributes:
+      label: 浏览站点 / Browsing site
+      description: E-Hentai / ExHentai
+      placeholder: E-Hentai
+    validations:
+      required: true
+
   - type: input
     id: version
     attributes:

.github/workflows/ci.yml

@@ -18,11 +18,11 @@ jobs:
         with:
           submodules: 'recursive'
 
-      - name: Setup Java 21
-        uses: actions/setup-java@v3
+      - name: Setup Java 17
+        uses: actions/setup-java@v4
         with:
           distribution: temurin
-          java-version: 21
+          java-version: 17
 
       - name: Install Rust Toolchain
         run: rustup update && rustup target add armv7-linux-androideabi aarch64-linux-android i686-linux-android x86_64-linux-android && rustup component add rustfmt clippy
@@ -48,16 +48,13 @@ jobs:
       - name: Spotless Check
         run: ./gradlew spotlessCheck
 
-      - name: Lint Check
-        run: ./gradlew lintMarshmallowGmsRelease
-
       - name: CMake Cache
         uses: actions/cache@v3
         with:
           path: |
             app/.cxx
             app/src/main/cpp/nettle/nettle
-          key: ${{ runner.os }}-cmake-${{ github.run_id }}
+          key: ${{ runner.os }}-cmake-${{ hashFiles('gradle/libs.versions.toml', 'app/build.gradle.kts', 'app/src/main/cpp/CMakeLists.txt') }}
           restore-keys: ${{ runner.os }}-cmake-
 
       - name: Build OSS

.github/workflows/lock-threads.yml

@@ -0,0 +1,22 @@
+name: 'Lock Threads'
+
+on:
+  schedule:
+    - cron: '0 0 * * *'
+  workflow_dispatch:
+
+permissions:
+  issues: write
+
+concurrency:
+  group: lock-threads
+
+jobs:
+  action:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: dessant/lock-threads@v5
+        with:
+          issue-inactive-days: '1'
+          include-any-issue-labels: 'duplicate, wontfix'
+          process-only: 'issues'

.github/workflows/releases.yml

@@ -15,11 +15,11 @@ jobs:
         with:
           submodules: 'recursive'
 
-      - name: Setup Java 21
-        uses: actions/setup-java@v3
+      - name: Setup Java 17
+        uses: actions/setup-java@v4
         with:
           distribution: temurin
-          java-version: 21
+          java-version: 17
 
       - name: Install Rust Toolchain
         run: rustup update && rustup target add armv7-linux-androideabi aarch64-linux-android i686-linux-android x86_64-linux-android
@@ -35,7 +35,7 @@ jobs:
           path: |
             app/.cxx
             app/src/main/cpp/nettle/nettle
-          key: ${{ runner.os }}-cmake-${{ github.run_id }}
+          key: ${{ runner.os }}-cmake-${{ hashFiles('gradle/libs.versions.toml', 'app/build.gradle.kts', 'app/src/main/cpp/CMakeLists.txt') }}
           restore-keys: ${{ runner.os }}-cmake-
 
       - name: Gradle Build

CHANGELOG.zh-CN.MD

@@ -0,0 +1,40 @@
+# 变更日志
+
+## 1.9.0
+
+### 重大变更
+
+* 除阅读器外全部迁移至 Compose
+
+### 新功能
+
+* 设置-高级 中增加实验性滑动手势敏感度设置
+* 支持通过滑动手势打开右侧抽屉
+* 支持预见式返回动画，相关设置位于 设置-高级
+
+### 改进
+
+* \[阅读器] 画廊页数过多时隐藏进度条刻度并禁用触感反馈
+* 优化原图下载重试策略
+* 优化小屏设备上的搜索类别布局
+* 优化过渡动画
+* 优化历史记录删除动画
+* 设置-EH 中的缩略图大小设置改为缩略图列数
+
+### Bug 修复
+
+* 修复点击通知栏的下载通知闪退 [#175](https://github.com/FooIbar/EhViewer/issues/175)
+* 修复收藏状态显示错误 [#189](https://github.com/FooIbar/EhViewer/issues/189)
+* 修复双击导航按钮后无法打开导航抽屉
+* 修复某些情况下闪退 [#142](https://github.com/FooIbar/EhViewer/issues/142) [#208](https://github.com/FooIbar/EhViewer/issues/208)
+* 修复收藏界面点击重试崩溃 [#193](https://github.com/FooIbar/EhViewer/issues/193)
+* 修复本地收藏滚动位置丢失 [#192](https://github.com/FooIbar/EhViewer/issues/192)
+* 修复手速过快页面切换过快使加载圈圈不自动消失 [#209](https://github.com/FooIbar/EhViewer/issues/209)
+* 修复打开并关闭右侧抽屉后，状态栏一片白色 [#101](https://github.com/FooIbar/EhViewer/issues/101)
+* 修复使用深色主题时，切换界面会闪过亮色界面 [#121](https://github.com/FooIbar/EhViewer/issues/121)
+* \[Marshmallow] 修复小内存设备上图片解码失败 [#229](https://github.com/FooIbar/EhViewer/issues/229) [#372](https://github.com/FooIbar/EhViewer/issues/372)
+* 修复已舍弃画廊上传者解析
+
+### 已知问题
+
+* 画廊信息对话框无法通过返回关闭 [#413](https://github.com/FooIbar/EhViewer/issues/413)

README.md

@@ -1,15 +1,11 @@
-# Maintenance Mode
-
-The project is in maintenance mode, will only receive bugfixes.
-
 <p align="right">
   <strong>English</strong>
   <span> | </span>
-  <a href="https://github.com/FooIbar/EhViewer/blob/1.8.x.x/docs/README/zh-cn.md">
+  <a href="/docs/README/zh-cn.md">
   简体中文
   </a>
   <span> | </span>
-  <a href="https://github.com/FooIbar/EhViewer/blob/1.8.x.x/docs/README/zh-tw.md">
+  <a href="/docs/README/zh-tw.md">
   正體中文
   </a>
 </p>
@@ -23,15 +19,12 @@ The project is in maintenance mode, will only receive bugfixes.
   <a href="https://github.com/FooIbar/EhViewer/actions/workflows/ci.yml">
     <img src="https://github.com/FooIbar/EhViewer/actions/workflows/ci.yml/badge.svg" alt="Github Actions">
   </a>
-  <a href="https://github.com/FooIbar/EhViewer/blob/1.8.x.x/LICENSE">
+  <a href="/LICENSE">
     <img src="https://img.shields.io/github/license/FooIbar/EhViewer" alt="LICENSE">
   </a>
   <a href="https://www.codefactor.io/repository/github/FooIbar/EhViewer">
     <img src="https://www.codefactor.io/repository/github/FooIbar/EhViewer/badge" alt="CodeFactor">
   </a>
-  <a href="https://github.com/FooIbar/EhViewer/releases">
-    <img src="https://img.shields.io/github/downloads/FooIbar/EhViewer/total.svg" alt="Downloads">
-  </a>
   <a href="https://github.com/FooIbar/EhViewer/releases">
     <img src="https://img.shields.io/github/v/release/FooIbar/EhViewer" alt="Release">
   </a>
@@ -42,23 +35,23 @@ The project is in maintenance mode, will only receive bugfixes.
 
 <div align="center">
   <h3>
-    <a href="https://github.com/FooIbar/EhViewer#description">
+    <a href="#description">
     Description
     </a>
     <span> | </span>
-    <a href="https://github.com/FooIbar/EhViewer#download">
+    <a href="#download">
     Download
     </a>
     <span> | </span>
-    <a href="https://github.com/FooIbar/EhViewer#screenshot">
+    <a href="#screenshot">
     Screenshot
     </a>
     <span> | </span>
-    <a href="https://github.com/FooIbar/EhViewer#thanks">
+    <a href="#thanks">
     Thanks
     </a>
     <span> | </span>
-    <a href="https://github.com/FooIbar/EhViewer#license">
+    <a href="#license">
     License
     </a>
   </h3>
@@ -73,12 +66,12 @@ and [Dynamic Color](https://m3.material.io/styles/color/dynamic-color/overview)
 
 # Download
 
-| Flavor | Feature |
-|-|-|
-| Default | Android 9+, full support |
-| Marshmallow | Android 6.0+, limited support* |
-| OSS | FOSS dependencies**  |
-| GMS | Proprietary GMS component |
+| Flavor      | Feature                           |
+|-------------|-----------------------------------|
+| Default     | Android 9+, full support          |
+| Marshmallow | Android 6.0-8.1, limited support* |
+| OSS         | FOSS dependencies**               |
+| GMS         | Proprietary GMS component         |
 
 \* Archives and GIFs are not supported
 
@@ -100,14 +93,13 @@ Here is the libraries
 - [Arrow](https://arrow-kt.io/)
 - [AOSP & AndroidX](http://source.android.com/)
 - [Kotlin & KotlinX](https://kotlinlang.org/)
-- [FullDraggableDrawer](https://github.com/PureWriter/FullDraggableDrawer)
-- [MCA](https://github.com/material-components/material-components-android)
-- [material-design-icons](https://github.com/google/material-design-icons)
-- [Okhttp](https://square.github.io/okhttp/)
-- [RikkaX](https://github.com/RikkaApps/RikkaX)
-- [Libarchive](http://www.libarchive.org/)
+- [MDC-Android](https://github.com/material-components/material-components-android)
+- [Material Icons](https://github.com/google/material-design-icons)
+- [OkHttp](https://square.github.io/okhttp/)
 - [Coil](https://coil-kt.github.io/coil/)
-- [Jsoup](https://jsoup.org/)
+- [Compose Destinations](https://composedestinations.rafaelcosta.xyz/)
+- [libarchive](http://www.libarchive.org/)
+- [jsoup](https://jsoup.org/)
 
 Specially thanks [Tachiyomi](https://tachiyomi.org/) for its reader implementation!
 

app/build.gradle.kts

@@ -64,8 +64,8 @@ android {
         applicationId = "moe.tarsin.ehviewer"
         minSdk = 28
         targetSdk = 34
-        versionCode = 180044
-        versionName = "1.8.10.1"
+        versionCode = 180046
+        versionName = "1.9.0"
         resourceConfigurations.addAll(
             listOf(
                 "zh",
@@ -108,10 +108,6 @@ android {
             compileOptions {
                 isCoreLibraryDesugaringEnabled = true
             }
-            lint {
-                checkOnly += setOf("InlinedApi", "NewApi", "UnusedAttribute")
-                error += setOf("InlinedApi", "UnusedAttribute")
-            }
         }
         create("oss") {
             dimension = "oss"
@@ -149,13 +145,15 @@ android {
             "-opt-in=kotlinx.serialization.ExperimentalSerializationApi",
             "-opt-in=splitties.experimental.ExperimentalSplittiesApi",
             "-opt-in=splitties.preferences.DataStorePreferencesPreview",
+
+            "-P", "plugin:androidx.compose.compiler.plugins.kotlin:experimentalStrongSkipping=true",
+            "-P", "plugin:androidx.compose.compiler.plugins.kotlin:intrinsicRemember=true",
         )
     }
 
     lint {
-        abortOnError = true
-        checkReleaseBuilds = false
-        disable.add("MissingTranslation")
+        disable += setOf("MissingTranslation", "MissingQuantity")
+        fatal += setOf("NewApi", "InlineApi")
     }
 
     packaging {
@@ -202,20 +200,23 @@ dependencies {
     implementation(libs.androidx.appcompat)
     implementation(libs.androidx.biometric)
     implementation(libs.androidx.browser)
-    implementation(libs.androidx.collection)
 
     // https://developer.android.com/jetpack/androidx/releases/compose-material3
     api(platform(libs.compose.bom))
     implementation(libs.bundles.compose)
 
+    implementation(libs.compose.destinations.core)
+    ksp(libs.compose.destinations.compiler)
+
     implementation(libs.androidx.core)
     implementation(libs.androidx.core.splashscreen)
 
     implementation(libs.androidx.constraintlayout.compose)
     implementation(libs.androidx.coordinatorlayout)
-    implementation(libs.androidx.fragment)
     // https://developer.android.com/jetpack/androidx/releases/lifecycle
     implementation(libs.androidx.lifecycle.process)
+    implementation(libs.androidx.lifecycle.compose)
+    implementation(libs.androidx.lifecycle.viewmodel.compose)
 
     // https://developer.android.com/jetpack/androidx/releases/navigation
     implementation(libs.bundles.androidx.navigation)
@@ -223,15 +224,13 @@ dependencies {
     // https://developer.android.com/jetpack/androidx/releases/paging
     implementation(libs.bundles.androidx.paging)
 
-    implementation(libs.bundles.androidx.recyclerview)
+    implementation(libs.androidx.recyclerview)
 
     // https://developer.android.com/jetpack/androidx/releases/room
     ksp(libs.androidx.room.compiler)
     implementation(libs.androidx.room.paging)
 
-    implementation(libs.androidx.swiperefreshlayout)
     implementation(libs.androidx.work.runtime)
-    implementation(libs.drawer)
     implementation(libs.photoview) // Dead Dependency
     implementation(libs.directionalviewpager) // Dead Dependency
     // https://github.com/google/accompanist/releases
@@ -246,10 +245,13 @@ dependencies {
 
     implementation(libs.okio.jvm)
 
+    implementation(libs.diff)
+
     implementation(libs.aboutlibraries.core)
 
     implementation(libs.insetter) // Dead Dependency
-    implementation(libs.bundles.rikkax)
+
+    implementation(libs.reorderable)
 
     implementation(platform(libs.arrow.stack))
     implementation(libs.arrow.fx.coroutines)
@@ -263,20 +265,28 @@ dependencies {
     implementation(libs.bundles.kotlinx.serialization)
 
     implementation(libs.kotlinx.coroutines.android)
+    implementation(libs.kotlinx.datetime)
     implementation(libs.jsoup)
 
     debugImplementation(libs.chucker)
     releaseImplementation(libs.chucker.nop)
 
-    debugImplementation(libs.leakcanary.android)
-
     coreLibraryDesugaring(libs.desugar)
 
     "gmsImplementation"(libs.bundles.cronet)
 }
 
+configurations.all {
+    resolutionStrategy {
+        // Workaround IME won't show again once hidden.
+        // Google issue-tracker link?
+        force("androidx.compose.ui:ui-text-android:1.6.0-alpha08")
+        exclude("androidx.navigation", "navigation-compose")
+    }
+}
+
 kotlin {
-    jvmToolchain(21)
+    jvmToolchain(17)
 }
 
 ksp {
@@ -287,16 +297,6 @@ ksp {
 aboutLibraries {
     duplicationMode = MERGE
     duplicationRule = GROUP
-    exclusionPatterns = listOf(
-        "androidx\\..*".toPattern(),
-        ".*annotations".toPattern(),
-        "com\\.google\\.code\\..*".toPattern(),
-        "com\\.google\\.guava:listenablefuture".toPattern(),
-        "com\\.google\\.protobuf:protobuf-javalite".toPattern(),
-        "org\\.checkerframework:checker-qual".toPattern(),
-        "org\\.chromium\\.net:cronet-embedded".toPattern(),
-        "org\\.slf4j:slf4j-api".toPattern(),
-    )
 }
 
 cargo {

app/proguard-rules.pro

@@ -1,30 +1,20 @@
--keepclassmembers class * implements android.os.Parcelable {
-    public static final ** CREATOR;
-}
-
 -keepclasseswithmembernames,includedescriptorclasses class * {
     native <methods>;
 }
 
-# https://issuetracker.google.com/issues/190382641
--keepclassmembers class kotlin.SafePublicationLazyImpl {
-    java.lang.Object _value;
+-keepclassmembers enum * {
+    public static **[] values();
+    public static ** valueOf(java.lang.String);
 }
 
--keep class androidx.viewpager.widget.ViewPager$LayoutParams { int position; }
+-keepclassmembers class * implements android.os.Parcelable {
+    public static final ** CREATOR;
+}
 
--keep class com.hippo.ehviewer.client.parser.Torrent { *; }
--keep class com.hippo.ehviewer.client.parser.GalleryListResult { *; }
--keep class com.hippo.ehviewer.client.parser.Limits { *; }
--keep class com.hippo.ehviewer.client.data.BaseGalleryInfo { *; }
--keep class com.hippo.ehviewer.ui.scene.SearchBarScene { getBinding(); }
+# https://issuetracker.google.com/issues/307323842
+-keepclassmembers class androidx.compose.ui.platform.WindowInfoImpl {
+    setWindowFocused(boolean);
+}
 
-# Ktor logger
--dontwarn org.slf4j.impl.StaticLoggerBinder
-
--keepattributes LineNumberTable,SourceFile
--renamesourcefileattribute SourceFile
-
--repackageclasses
 -allowaccessmodification
--overloadaggressively
+-repackageclasses

app/src/gms/kotlin/com/hippo/ehviewer/cronet/CronetKt.kt

@@ -1,44 +1,38 @@
 package com.hippo.ehviewer.cronet
 
-import com.hippo.ehviewer.EhApplication
+import com.hippo.ehviewer.Settings
 import com.hippo.ehviewer.client.CHROME_ACCEPT
 import com.hippo.ehviewer.client.CHROME_ACCEPT_LANGUAGE
-import com.hippo.ehviewer.client.CHROME_USER_AGENT
 import com.hippo.ehviewer.client.EhCookieStore
-import eu.kanade.tachiyomi.util.system.logcat
-import io.ktor.utils.io.pool.DirectByteBufferPool
-import kotlinx.coroutines.coroutineScope
-import kotlinx.coroutines.launch
-import kotlinx.coroutines.suspendCancellableCoroutine
-import okhttp3.HttpUrl.Companion.toHttpUrl
-import okio.Path.Companion.toOkioPath
-import org.chromium.net.CronetEngine
-import org.chromium.net.CronetException
-import org.chromium.net.UrlRequest
-import org.chromium.net.UrlResponseInfo
-import splitties.init.appCtx
 import java.nio.ByteBuffer
-import java.nio.channels.FileChannel
 import kotlin.contracts.InvocationKind
 import kotlin.contracts.contract
 import kotlin.coroutines.Continuation
 import kotlin.coroutines.resume
 import kotlin.coroutines.resumeWithException
-
-private const val TAG = "CronetRequest"
-val pool = DirectByteBufferPool(32)
+import kotlinx.coroutines.coroutineScope
+import kotlinx.coroutines.launch
+import kotlinx.coroutines.suspendCancellableCoroutine
+import okhttp3.HttpUrl.Companion.toHttpUrl
+import okhttp3.RequestBody
+import okio.Buffer
+import okio.Path.Companion.toOkioPath
+import org.chromium.net.CronetEngine
+import org.chromium.net.CronetException
+import org.chromium.net.UploadDataProvider
+import org.chromium.net.UploadDataSink
+import org.chromium.net.UrlRequest
+import org.chromium.net.UrlResponseInfo
+import splitties.init.appCtx
 
 val cronetHttpClient: CronetEngine = CronetEngine.Builder(appCtx).apply {
     enableBrotli(true)
     val cache = (appCtx.cacheDir.toOkioPath() / "http_cache").toFile().apply { mkdirs() }
     setStoragePath(cache.absolutePath)
     enableHttpCache(CronetEngine.Builder.HTTP_CACHE_DISK_NO_HTTP, 100 * 1024)
-    setUserAgent(CHROME_USER_AGENT)
+    setUserAgent(Settings.userAgent)
 }.build()
 
-val cronetHttpClientExecutor = EhApplication.baseOkHttpClient.dispatcher.executorService
-
-// TODO: Rewrite this to use android.net.http.HttpEngine and make it Android 14 only when released
 class CronetRequest {
     lateinit var consumer: (ByteBuffer) -> Unit
     lateinit var onResponse: CronetRequest.(UrlResponseInfo) -> Unit
@@ -47,7 +41,6 @@ class CronetRequest {
     lateinit var readerCont: Continuation<Unit>
     val callback = object : UrlRequest.Callback() {
         override fun onRedirectReceived(req: UrlRequest, info: UrlResponseInfo, url: String) {
-            logcat(tag = TAG) { "Redirected to $url" }
             req.followRedirect()
         }
 
@@ -56,7 +49,6 @@ class CronetRequest {
         }
 
         override fun onReadCompleted(req: UrlRequest, info: UrlResponseInfo, data: ByteBuffer) {
-            data.flip()
             consumer(data)
         }
 
@@ -70,38 +62,16 @@ class CronetRequest {
     }
 }
 
-inline fun cronetRequest(url: String, referer: String? = null, conf: UrlRequest.Builder.() -> Unit = {}) = CronetRequest().apply {
+inline fun cronetRequest(url: String, referer: String? = null, origin: String? = null, conf: UrlRequest.Builder.() -> Unit = {}) = CronetRequest().apply {
     request = cronetHttpClient.newUrlRequestBuilder(url, callback, cronetHttpClientExecutor).apply {
         addHeader("Cookie", EhCookieStore.getCookieHeader(url.toHttpUrl()))
         addHeader("Accept", CHROME_ACCEPT)
         addHeader("Accept-Language", CHROME_ACCEPT_LANGUAGE)
         referer?.let { addHeader("Referer", it) }
+        origin?.let { addHeader("Origin", it) }
     }.apply(conf).build()
 }
 
-suspend inline fun CronetRequest.awaitBodyFully(crossinline callback: (ByteBuffer) -> Unit) {
-    val buffer = pool.borrow()
-    return try {
-        suspendCancellableCoroutine { cont ->
-            consumer = {
-                callback(it)
-                buffer.clear()
-                request.read(buffer)
-            }
-            onError = { readerCont.resumeWithException(it) }
-            readerCont = cont
-            request.read(buffer)
-        }
-    } finally {
-        pool.recycle(buffer)
-    }
-}
-
-suspend inline fun CronetRequest.copyToChannel(chan: FileChannel, crossinline listener: ((Int) -> Unit) = {}) = awaitBodyFully {
-    val bytes = chan.write(it)
-    listener(bytes)
-}
-
 suspend inline fun <R> CronetRequest.execute(crossinline callback: suspend CronetRequest.(UrlResponseInfo) -> R): R {
     contract {
         callsInPlace(callback, InvocationKind.EXACTLY_ONCE)
@@ -116,5 +86,21 @@ suspend inline fun <R> CronetRequest.execute(crossinline callback: suspend Crone
     }
 }
 
+fun UrlRequest.Builder.withRequestBody(body: RequestBody) {
+    addHeader("Content-Type", body.contentType().toString())
+    val buffer = Buffer().apply { body.writeTo(this) }
+    val provider = object : UploadDataProvider() {
+        override fun getLength() = body.contentLength()
+        override fun read(uploadDataSink: UploadDataSink, byteBuffer: ByteBuffer) {
+            buffer.read(byteBuffer)
+            uploadDataSink.onReadSucceeded(false)
+        }
+        override fun rewind(uploadDataSink: UploadDataSink) {
+            error("OneShot!")
+        }
+    }
+    setUploadDataProvider(provider, cronetHttpClientExecutor)
+}
+
 fun UrlRequest.Builder.noCache(): UrlRequest.Builder = disableCache()
 fun UrlResponseInfo.getHeadersMap(): Map<String, List<String>> = allHeaders

app/src/gms/kotlin/com/hippo/ehviewer/util/CronetUtils.kt

@@ -2,10 +2,11 @@ package com.hippo.ehviewer.util
 
 import com.google.android.gms.net.CronetProviderInstaller
 import com.hippo.ehviewer.Settings
+import org.chromium.net.CronetProvider
 import splitties.init.appCtx
 
 val isCronetSupported: Boolean
-    get() = Settings.enableCronet && CronetProviderInstaller.isInstalled().also {
+    get() = Settings.enableCronet && CronetProvider.getAllProviders(appCtx).any { it.isEnabled }.also {
         if (!it) {
             CronetProviderInstaller.installProvider(appCtx)
         }

app/src/main/AndroidManifest.xml

@@ -23,16 +23,20 @@
         android:allowBackup="true"
         android:appCategory="image"
         android:dataExtractionRules="@xml/data_extraction_rules"
+        android:enableOnBackInvokedCallback="true"
         android:fullBackupContent="@xml/backup_scheme"
         android:hasFragileUserData="true"
         android:icon="@mipmap/ic_launcher"
         android:label="@string/app_name"
+        android:largeHeap="@bool/large_heap"
         android:localeConfig="@xml/locale_config"
         android:networkSecurityConfig="@xml/network_security_config"
         android:roundIcon="@mipmap/ic_launcher_round"
         android:supportsRtl="true"
         android:theme="@style/AppTheme"
         tools:targetApi="tiramisu">
+        <profileable android:shell="true" />
+
         <activity
             android:name=".ui.ConfigureActivity"
             android:exported="false"
@@ -135,8 +139,7 @@
             android:launchMode="singleTask"
             android:taskAffinity=""
             android:theme="@android:style/Theme.Translucent.NoTitleBar" />
-        <activity
-            android:name=".ui.WebViewActivity" />
+        <activity android:name=".ui.WebViewActivity" />
 
         <service
             android:name="androidx.appcompat.app.AppLocalesMetadataHolderService"

app/src/main/cpp/CMakeLists.txt

@@ -24,7 +24,7 @@ set(BUILD_TESTING 0)
 
 FetchContent_Declare(liblzma
         GIT_REPOSITORY https://github.com/FooIbar/xz.git
-        GIT_TAG v5.4.4
+        GIT_TAG v5.4.5
         )
 
 FetchContent_MakeAvailable(liblzma)

app/src/main/kotlin/androidx/compose/material3/ModalBottomSheet2.kt

@@ -0,0 +1,989 @@
+@file:Suppress("ktlint:standard:property-naming", "ktlint:standard:function-naming")
+
+package androidx.compose.material3
+
+import android.annotation.SuppressLint
+import android.content.Context
+import android.graphics.PixelFormat
+import android.os.Build
+import android.view.Gravity
+import android.view.View
+import android.view.ViewTreeObserver
+import android.view.WindowManager
+import androidx.activity.OnBackPressedDispatcher
+import androidx.activity.OnBackPressedDispatcherOwner
+import androidx.activity.compose.LocalOnBackPressedDispatcherOwner
+import androidx.compose.animation.core.SpringSpec
+import androidx.compose.animation.core.TweenSpec
+import androidx.compose.animation.core.animateFloatAsState
+import androidx.compose.foundation.Canvas
+import androidx.compose.foundation.gestures.AnchoredDraggableState
+import androidx.compose.foundation.gestures.DraggableAnchors
+import androidx.compose.foundation.gestures.Orientation
+import androidx.compose.foundation.gestures.anchoredDraggable
+import androidx.compose.foundation.gestures.animateTo
+import androidx.compose.foundation.gestures.detectTapGestures
+import androidx.compose.foundation.gestures.snapTo
+import androidx.compose.foundation.layout.Box
+import androidx.compose.foundation.layout.BoxWithConstraints
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.ColumnScope
+import androidx.compose.foundation.layout.WindowInsets
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.imePadding
+import androidx.compose.foundation.layout.offset
+import androidx.compose.foundation.layout.widthIn
+import androidx.compose.foundation.layout.windowInsetsPadding
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.CompositionContext
+import androidx.compose.runtime.CompositionLocalProvider
+import androidx.compose.runtime.DisposableEffect
+import androidx.compose.runtime.Immutable
+import androidx.compose.runtime.LaunchedEffect
+import androidx.compose.runtime.SideEffect
+import androidx.compose.runtime.Stable
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
+import androidx.compose.runtime.rememberCompositionContext
+import androidx.compose.runtime.rememberCoroutineScope
+import androidx.compose.runtime.rememberUpdatedState
+import androidx.compose.runtime.saveable.Saver
+import androidx.compose.runtime.saveable.rememberSaveable
+import androidx.compose.runtime.setValue
+import androidx.compose.runtime.snapshotFlow
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.geometry.Offset
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.graphics.Shape
+import androidx.compose.ui.graphics.graphicsLayer
+import androidx.compose.ui.graphics.isSpecified
+import androidx.compose.ui.input.nestedscroll.NestedScrollConnection
+import androidx.compose.ui.input.nestedscroll.NestedScrollSource
+import androidx.compose.ui.input.nestedscroll.nestedScroll
+import androidx.compose.ui.input.pointer.pointerInput
+import androidx.compose.ui.layout.onSizeChanged
+import androidx.compose.ui.platform.AbstractComposeView
+import androidx.compose.ui.platform.LocalConfiguration
+import androidx.compose.ui.platform.LocalDensity
+import androidx.compose.ui.platform.LocalLayoutDirection
+import androidx.compose.ui.platform.LocalView
+import androidx.compose.ui.platform.ViewRootForInspector
+import androidx.compose.ui.semantics.clearAndSetSemantics
+import androidx.compose.ui.semantics.popup
+import androidx.compose.ui.semantics.semantics
+import androidx.compose.ui.unit.Density
+import androidx.compose.ui.unit.Dp
+import androidx.compose.ui.unit.IntOffset
+import androidx.compose.ui.unit.LayoutDirection
+import androidx.compose.ui.unit.Velocity
+import androidx.compose.ui.unit.dp
+import androidx.compose.ui.util.lerp
+import androidx.compose.ui.window.SecureFlagPolicy
+import androidx.lifecycle.findViewTreeLifecycleOwner
+import androidx.lifecycle.findViewTreeViewModelStoreOwner
+import androidx.lifecycle.setViewTreeLifecycleOwner
+import androidx.lifecycle.setViewTreeViewModelStoreOwner
+import androidx.savedstate.findViewTreeSavedStateRegistryOwner
+import androidx.savedstate.setViewTreeSavedStateRegistryOwner
+import com.hippo.ehviewer.ui.tools.animateFloatMergeOneWayPredictiveBackAsState
+import com.hippo.ehviewer.util.isAtLeastT
+import java.util.UUID
+import kotlin.math.absoluteValue
+import kotlin.math.max
+import kotlin.math.roundToInt
+import kotlinx.coroutines.flow.collectLatest
+import kotlinx.coroutines.flow.drop
+import kotlinx.coroutines.launch
+
+@Stable
+@ExperimentalMaterial3Api
+internal object AnchoredDraggableDefaults2 {
+    /**
+     * The default animation used by [AnchoredDraggableState].
+     */
+    @get:ExperimentalMaterial3Api
+    @Suppress("OPT_IN_MARKER_ON_WRONG_TARGET")
+    @ExperimentalMaterial3Api
+    val AnimationSpec = SpringSpec<Float>()
+}
+
+/**
+ * State of a sheet composable, such as [ModalBottomSheetFix]
+ *
+ * Contains states relating to its swipe position as well as animations between state values.
+ *
+ * @param skipPartiallyExpanded Whether the partially expanded state, if the sheet is large
+ * enough, should be skipped. If true, the sheet will always expand to the [Expanded] state and move
+ * to the [Hidden] state if available when hiding the sheet, either programmatically or by user
+ * interaction.
+ * @param initialValue The initial value of the state.
+ * @param confirmValueChange Optional callback invoked to confirm or veto a pending state change.
+ * @param skipHiddenState Whether the hidden state should be skipped. If true, the sheet will always
+ * expand to the [Expanded] state and move to the [PartiallyExpanded] if available, either
+ * programmatically or by user interaction.
+ */
+@Stable
+@ExperimentalMaterial3Api
+class SheetState2
+@Deprecated(
+    message = "This constructor is deprecated. " +
+        "Please use the constructor that provides a [Density]",
+    replaceWith = ReplaceWith(
+        "SheetState(" +
+            "skipPartiallyExpanded, LocalDensity.current, initialValue, " +
+            "confirmValueChange, skipHiddenState)",
+    ),
+)
+constructor(
+    internal val skipPartiallyExpanded: Boolean,
+    initialValue: SheetValue = SheetValue.Hidden,
+    val confirmValueChange: (SheetValue) -> Boolean = { true },
+    internal val skipHiddenState: Boolean = false,
+) {
+
+    /**
+     * State of a sheet composable, such as [ModalBottomSheetFix]
+     *
+     * Contains states relating to its swipe position as well as animations between state values.
+     *
+     * @param skipPartiallyExpanded Whether the partially expanded state, if the sheet is large
+     * enough, should be skipped. If true, the sheet will always expand to the [Expanded] state and move
+     * to the [Hidden] state if available when hiding the sheet, either programmatically or by user
+     * interaction.
+     * @param initialValue The initial value of the state.
+     * @param density The density that this state can use to convert values to and from dp.
+     * @param confirmValueChange Optional callback invoked to confirm or veto a pending state change.
+     * @param skipHiddenState Whether the hidden state should be skipped. If true, the sheet will always
+     * expand to the [Expanded] state and move to the [PartiallyExpanded] if available, either
+     * programmatically or by user interaction.
+     */
+    @ExperimentalMaterial3Api
+    @Suppress("Deprecation")
+    constructor(
+        skipPartiallyExpanded: Boolean,
+        density: Density,
+        initialValue: SheetValue = SheetValue.Hidden,
+        confirmValueChange: (SheetValue) -> Boolean = { true },
+        skipHiddenState: Boolean = false,
+    ) : this(skipPartiallyExpanded, initialValue, confirmValueChange, skipHiddenState) {
+        this.density = density
+    }
+    init {
+        if (skipPartiallyExpanded) {
+            require(initialValue != SheetValue.PartiallyExpanded) {
+                "The initial value must not be set to PartiallyExpanded if skipPartiallyExpanded " +
+                    "is set to true."
+            }
+        }
+        if (skipHiddenState) {
+            require(initialValue != SheetValue.Hidden) {
+                "The initial value must not be set to Hidden if skipHiddenState is set to true."
+            }
+        }
+    }
+
+    /**
+     * The current value of the state.
+     *
+     * If no swipe or animation is in progress, this corresponds to the state the bottom sheet is
+     * currently in. If a swipe or an animation is in progress, this corresponds the state the sheet
+     * was in before the swipe or animation started.
+     */
+
+    val currentValue: SheetValue get() = anchoredDraggableState.currentValue
+
+    /**
+     * The target value of the bottom sheet state.
+     *
+     * If a swipe is in progress, this is the value that the sheet would animate to if the
+     * swipe finishes. If an animation is running, this is the target value of that animation.
+     * Finally, if no swipe or animation is in progress, this is the same as the [currentValue].
+     */
+    val targetValue: SheetValue get() = anchoredDraggableState.targetValue
+
+    /**
+     * Whether the modal bottom sheet is visible.
+     */
+    val isVisible: Boolean
+        get() = anchoredDraggableState.currentValue != SheetValue.Hidden
+
+    /**
+     * Require the current offset (in pixels) of the bottom sheet.
+     *
+     * The offset will be initialized during the first measurement phase of the provided sheet
+     * content.
+     *
+     * These are the phases:
+     * Composition { -> Effects } -> Layout { Measurement -> Placement } -> Drawing
+     *
+     * During the first composition, an [IllegalStateException] is thrown. In subsequent
+     * compositions, the offset will be derived from the anchors of the previous pass. Always prefer
+     * accessing the offset from a LaunchedEffect as it will be scheduled to be executed the next
+     * frame, after layout.
+     *
+     * @throws IllegalStateException If the offset has not been initialized yet
+     */
+    fun requireOffset(): Float = anchoredDraggableState.requireOffset()
+
+    /**
+     * Whether the sheet has an expanded state defined.
+     */
+
+    val hasExpandedState: Boolean
+        get() = anchoredDraggableState.anchors.hasAnchorFor(SheetValue.Expanded)
+
+    /**
+     * Whether the modal bottom sheet has a partially expanded state defined.
+     */
+    val hasPartiallyExpandedState: Boolean
+        get() = anchoredDraggableState.anchors.hasAnchorFor(SheetValue.PartiallyExpanded)
+
+    /**
+     * Fully expand the bottom sheet with animation and suspend until it is fully expanded or
+     * animation has been cancelled.
+     * *
+     * @throws [CancellationException] if the animation is interrupted
+     */
+    suspend fun expand() {
+        anchoredDraggableState.animateTo(SheetValue.Expanded)
+    }
+
+    /**
+     * Animate the bottom sheet and suspend until it is partially expanded or animation has been
+     * cancelled.
+     * @throws [CancellationException] if the animation is interrupted
+     * @throws [IllegalStateException] if [skipPartiallyExpanded] is set to true
+     */
+    suspend fun partialExpand() {
+        check(!skipPartiallyExpanded) {
+            "Attempted to animate to partial expanded when skipPartiallyExpanded was enabled. Set" +
+                " skipPartiallyExpanded to false to use this function."
+        }
+        animateTo(SheetValue.PartiallyExpanded)
+    }
+
+    /**
+     * Expand the bottom sheet with animation and suspend until it is [PartiallyExpanded] if defined
+     * else [Expanded].
+     * @throws [CancellationException] if the animation is interrupted
+     */
+    suspend fun show() {
+        val targetValue = when {
+            hasPartiallyExpandedState -> SheetValue.PartiallyExpanded
+            else -> SheetValue.Expanded
+        }
+        animateTo(targetValue)
+    }
+
+    /**
+     * Hide the bottom sheet with animation and suspend until it is fully hidden or animation has
+     * been cancelled.
+     * @throws [CancellationException] if the animation is interrupted
+     */
+    suspend fun hide() {
+        check(!skipHiddenState) {
+            "Attempted to animate to hidden when skipHiddenState was enabled. Set skipHiddenState" +
+                " to false to use this function."
+        }
+        animateTo(SheetValue.Hidden)
+    }
+
+    /**
+     * Animate to a [targetValue].
+     * If the [targetValue] is not in the set of anchors, the [currentValue] will be updated to the
+     * [targetValue] without updating the offset.
+     *
+     * @throws CancellationException if the interaction interrupted by another interaction like a
+     * gesture interaction or another programmatic interaction like a [animateTo] or [snapTo] call.
+     *
+     * @param targetValue The target value of the animation
+     */
+    internal suspend fun animateTo(
+        targetValue: SheetValue,
+        velocity: Float = anchoredDraggableState.lastVelocity,
+    ) {
+        anchoredDraggableState.animateTo(targetValue, velocity)
+    }
+
+    /**
+     * Snap to a [targetValue] without any animation.
+     *
+     * @throws CancellationException if the interaction interrupted by another interaction like a
+     * gesture interaction or another programmatic interaction like a [animateTo] or [snapTo] call.
+     *
+     * @param targetValue The target value of the animation
+     */
+    internal suspend fun snapTo(targetValue: SheetValue) {
+        anchoredDraggableState.snapTo(targetValue)
+    }
+
+    /**
+     * Find the closest anchor taking into account the velocity and settle at it with an animation.
+     */
+    internal suspend fun settle(velocity: Float) {
+        anchoredDraggableState.settle(velocity)
+    }
+
+    internal var anchoredDraggableState = AnchoredDraggableState(
+        initialValue = initialValue,
+        animationSpec = AnchoredDraggableDefaults2.AnimationSpec,
+        confirmValueChange = confirmValueChange,
+        positionalThreshold = { with(requireDensity()) { 56.dp.toPx() } },
+        velocityThreshold = { with(requireDensity()) { 125.dp.toPx() } },
+    )
+
+    internal val offset: Float get() = anchoredDraggableState.offset
+
+    internal var density: Density? = null
+    private fun requireDensity() = requireNotNull(density) {
+        "SheetState did not have a density attached. Are you using SheetState with " +
+            "BottomSheetScaffold or ModalBottomSheet component?"
+    }
+
+    companion object {
+        /**
+         * The default [Saver] implementation for [SheetState2].
+         */
+        fun Saver(
+            skipPartiallyExpanded: Boolean,
+            confirmValueChange: (SheetValue) -> Boolean,
+            density: Density,
+        ) = Saver<SheetState2, SheetValue>(
+            save = { it.currentValue },
+            restore = { savedValue ->
+                SheetState2(skipPartiallyExpanded, density, savedValue, confirmValueChange)
+            },
+        )
+
+        /**
+         * The default [Saver] implementation for [SheetState2].
+         */
+        @Deprecated(
+            message = "This function is deprecated. Please use the overload where Density is" +
+                " provided.",
+            replaceWith = ReplaceWith(
+                "Saver(skipPartiallyExpanded, confirmValueChange, LocalDensity.current)",
+            ),
+        )
+        @Suppress("Deprecation")
+        fun Saver(
+            skipPartiallyExpanded: Boolean,
+            confirmValueChange: (SheetValue) -> Boolean,
+        ) = Saver<SheetState2, SheetValue>(
+            save = { it.currentValue },
+            restore = { savedValue ->
+                SheetState2(skipPartiallyExpanded, savedValue, confirmValueChange)
+            },
+        )
+    }
+}
+
+/**
+ * <a href="https://m3.material.io/components/bottom-sheets/overview" class="external" target="_blank">Material Design modal bottom sheet</a>.
+ *
+ * Modal bottom sheets are used as an alternative to inline menus or simple dialogs on mobile,
+ * especially when offering a long list of action items, or when items require longer descriptions
+ * and icons. Like dialogs, modal bottom sheets appear in front of app content, disabling all other
+ * app functionality when they appear, and remaining on screen until confirmed, dismissed, or a
+ * required action has been taken.
+ *
+ * ![Bottom sheet image](https://developer.android.com/images/reference/androidx/compose/material3/bottom_sheet.png)
+ *
+ * A simple example of a modal bottom sheet looks like this:
+ *
+ * @sample androidx.compose.material3.samples.ModalBottomSheetSample
+ *
+ * @param onDismissRequest Executes when the user clicks outside of the bottom sheet, after sheet
+ * animates to [Hidden].
+ * @param modifier Optional [Modifier] for the bottom sheet.
+ * @param sheetState The state of the bottom sheet.
+ * @param sheetMaxWidth [Dp] that defines what the maximum width the sheet will take.
+ * Pass in [Dp.Unspecified] for a sheet that spans the entire screen width.
+ * @param shape The shape of the bottom sheet.
+ * @param containerColor The color used for the background of this bottom sheet
+ * @param contentColor The preferred color for content inside this bottom sheet. Defaults to either
+ * the matching content color for [containerColor], or to the current [LocalContentColor] if
+ * [containerColor] is not a color from the theme.
+ * @param tonalElevation The tonal elevation of this bottom sheet.
+ * @param scrimColor Color of the scrim that obscures content when the bottom sheet is open.
+ * @param dragHandle Optional visual marker to swipe the bottom sheet.
+ * @param windowInsets window insets to be passed to the bottom sheet window via [PaddingValues]
+ * params.
+ * @param properties [ModalBottomSheetProperties2] for further customization of this
+ * modal bottom sheet's behavior.
+ * @param content The content to be displayed inside the bottom sheet.
+ */
+@Composable
+@ExperimentalMaterial3Api
+fun ModalBottomSheetFix(
+    onDismissRequest: () -> Unit,
+    modifier: Modifier = Modifier,
+    sheetState: SheetState2 = rememberModalBottomSheetState(),
+    sheetMaxWidth: Dp = BottomSheetDefaults.SheetMaxWidth,
+    shape: Shape = BottomSheetDefaults.ExpandedShape,
+    containerColor: Color = BottomSheetDefaults.ContainerColor,
+    contentColor: Color = contentColorFor(containerColor),
+    tonalElevation: Dp = BottomSheetDefaults.Elevation,
+    scrimColor: Color = BottomSheetDefaults.ScrimColor,
+    dragHandle: @Composable (() -> Unit)? = { BottomSheetDefaults.DragHandle() },
+    windowInsets: WindowInsets = BottomSheetDefaults.windowInsets,
+    properties: ModalBottomSheetProperties2 = ModalBottomSheetDefaults2.properties(),
+    content: @Composable ColumnScope.() -> Unit,
+) {
+    // b/291735717 Remove this once deprecated methods without density are removed
+    val density = LocalDensity.current
+    SideEffect {
+        sheetState.density = density
+    }
+    val scope = rememberCoroutineScope()
+    val animateToDismiss: () -> Unit = {
+        if (sheetState.confirmValueChange(SheetValue.Hidden)) {
+            scope.launch { sheetState.hide() }.invokeOnCompletion {
+                if (!sheetState.isVisible) {
+                    onDismissRequest()
+                }
+            }
+        }
+    }
+    LaunchedEffect(sheetState) {
+        snapshotFlow {
+            sheetState.targetValue == SheetValue.Hidden && !sheetState.isVisible
+        }.drop(1).collectLatest {
+            if (it) onDismissRequest()
+        }
+    }
+    val settleToDismiss: (velocity: Float) -> Unit = {
+        scope.launch { sheetState.settle(it) }.invokeOnCompletion {
+            if (!sheetState.isVisible) onDismissRequest()
+        }
+    }
+
+    val popupOnDismissRequest: () -> Unit = {
+        if (sheetState.currentValue == SheetValue.Expanded && sheetState.hasPartiallyExpandedState) {
+            scope.launch { sheetState.partialExpand() }
+        } else { // Is expanded without collapsed state or is collapsed.
+            scope.launch { sheetState.hide() }.invokeOnCompletion { onDismissRequest() }
+        }
+    }
+
+    ModalBottomSheetPopup(
+        properties = properties,
+        onDismissRequest = popupOnDismissRequest,
+        windowInsets = windowInsets,
+    ) {
+        val configuration = LocalConfiguration.current
+        val widthDp = configuration.screenWidthDp.dp
+        val height = configuration.screenHeightDp.dp
+        val predictiveState by animateFloatMergeOneWayPredictiveBackAsState(true) {
+            sheetState.hide()
+            onDismissRequest()
+        }
+        val predictiveModifier = Modifier.graphicsLayer {
+            val scale = lerp(1f, 0.90f, predictiveState.absoluteValue)
+            scaleX = scale
+            scaleY = scale
+        }.offset {
+            val ofsY = lerp(0f, height.toPx() * 0.0625f, predictiveState.absoluteValue).roundToInt()
+            val ofsX = lerp(0f, widthDp.toPx() * 0.025f, predictiveState).roundToInt()
+            IntOffset(ofsX, ofsY)
+        }
+        BoxWithConstraints(Modifier.fillMaxSize()) {
+            val fullHeight = constraints.maxHeight
+            Scrim(
+                color = scrimColor,
+                onDismissRequest = animateToDismiss,
+                visible = sheetState.targetValue != SheetValue.Hidden,
+            )
+            Surface(
+                modifier = modifier
+                    .widthIn(max = sheetMaxWidth)
+                    .fillMaxWidth()
+                    .align(Alignment.TopCenter)
+                    .offset {
+                        IntOffset(
+                            0,
+                            sheetState
+                                .requireOffset()
+                                .toInt(),
+                        )
+                    } then predictiveModifier
+                    .nestedScroll(
+                        remember(sheetState) {
+                            ConsumeSwipeWithinBottomSheetBoundsNestedScrollConnection(
+                                sheetState = sheetState,
+                                orientation = Orientation.Vertical,
+                                onFling = settleToDismiss,
+                            )
+                        },
+                    )
+                    .anchoredDraggable(
+                        state = sheetState.anchoredDraggableState,
+                        orientation = Orientation.Vertical,
+                        enabled = sheetState.isVisible,
+                        startDragImmediately = sheetState.anchoredDraggableState.isAnimationRunning,
+                    )
+                    .modalBottomSheetAnchors(
+                        sheetState = sheetState,
+                        fullHeight = fullHeight.toFloat(),
+                    ),
+                shape = shape,
+                color = containerColor,
+                contentColor = contentColor,
+                tonalElevation = tonalElevation,
+            ) {
+                Column(Modifier.fillMaxWidth()) {
+                    if (dragHandle != null) {
+                        Box(Modifier.align(Alignment.CenterHorizontally)) {
+                            dragHandle()
+                        }
+                    }
+                    content()
+                }
+            }
+        }
+    }
+    if (sheetState.hasExpandedState) {
+        LaunchedEffect(sheetState) {
+            sheetState.show()
+        }
+    }
+}
+
+@OptIn(ExperimentalMaterial3Api::class)
+internal fun ConsumeSwipeWithinBottomSheetBoundsNestedScrollConnection(
+    sheetState: SheetState2,
+    orientation: Orientation,
+    onFling: (velocity: Float) -> Unit,
+): NestedScrollConnection = object : NestedScrollConnection {
+    override fun onPreScroll(available: Offset, source: NestedScrollSource): Offset {
+        val delta = available.toFloat()
+        return if (delta < 0 && source == NestedScrollSource.Drag) {
+            sheetState.anchoredDraggableState.dispatchRawDelta(delta).toOffset()
+        } else {
+            Offset.Zero
+        }
+    }
+
+    override fun onPostScroll(
+        consumed: Offset,
+        available: Offset,
+        source: NestedScrollSource,
+    ): Offset {
+        return if (source == NestedScrollSource.Drag) {
+            sheetState.anchoredDraggableState.dispatchRawDelta(available.toFloat()).toOffset()
+        } else {
+            Offset.Zero
+        }
+    }
+
+    override suspend fun onPreFling(available: Velocity): Velocity {
+        val toFling = available.toFloat()
+        val currentOffset = sheetState.requireOffset()
+        val minAnchor = sheetState.anchoredDraggableState.anchors.minAnchor()
+        return if (toFling < 0 && currentOffset > minAnchor) {
+            onFling(toFling)
+            // since we go to the anchor with tween settling, consume all for the best UX
+            available
+        } else {
+            Velocity.Zero
+        }
+    }
+
+    override suspend fun onPostFling(consumed: Velocity, available: Velocity): Velocity {
+        onFling(available.toFloat())
+        return available
+    }
+
+    private fun Float.toOffset(): Offset = Offset(
+        x = if (orientation == Orientation.Horizontal) this else 0f,
+        y = if (orientation == Orientation.Vertical) this else 0f,
+    )
+
+    @JvmName("velocityToFloat")
+    private fun Velocity.toFloat() = if (orientation == Orientation.Horizontal) x else y
+
+    @JvmName("offsetToFloat")
+    private fun Offset.toFloat(): Float = if (orientation == Orientation.Horizontal) x else y
+}
+
+/**
+ * Properties used to customize the behavior of a [ModalBottomSheetFix].
+ *
+ * @param securePolicy Policy for setting [WindowManager.LayoutParams.FLAG_SECURE] on the bottom
+ * sheet's window.
+ * @param isFocusable Whether the modal bottom sheet is focusable. When true,
+ * the modal bottom sheet will receive IME events and key presses, such as when
+ * the back button is pressed.
+ * @param shouldDismissOnBackPress Whether the modal bottom sheet can be dismissed by pressing
+ * the back button. If true, pressing the back button will call onDismissRequest.
+ * Note that [isFocusable] must be set to true in order to receive key events such as
+ * the back button - if the modal bottom sheet is not focusable then this property does nothing.
+ */
+@ExperimentalMaterial3Api
+class ModalBottomSheetProperties2(
+    val securePolicy: SecureFlagPolicy,
+    val isFocusable: Boolean,
+    val shouldDismissOnBackPress: Boolean,
+) {
+    override fun equals(other: Any?): Boolean {
+        if (this === other) return true
+        if (other !is ModalBottomSheetProperties2) return false
+
+        if (securePolicy != other.securePolicy) return false
+        if (isFocusable != other.isFocusable) return false
+        if (shouldDismissOnBackPress != other.shouldDismissOnBackPress) return false
+
+        return true
+    }
+
+    override fun hashCode(): Int {
+        var result = securePolicy.hashCode()
+        result = 31 * result + isFocusable.hashCode()
+        result = 31 * result + shouldDismissOnBackPress.hashCode()
+        return result
+    }
+}
+
+/**
+ * Default values for [ModalBottomSheetFix]
+ */
+@Immutable
+@ExperimentalMaterial3Api
+object ModalBottomSheetDefaults2 {
+    /**
+     * Properties used to customize the behavior of a [ModalBottomSheetFix].
+     *
+     * @param securePolicy Policy for setting [WindowManager.LayoutParams.FLAG_SECURE] on the bottom
+     * sheet's window.
+     * @param isFocusable Whether the modal bottom sheet is focusable. When true,
+     * the modal bottom sheet will receive IME events and key presses, such as when
+     * the back button is pressed.
+     * @param shouldDismissOnBackPress Whether the modal bottom sheet can be dismissed by pressing
+     * the back button. If true, pressing the back button will call onDismissRequest.
+     * Note that [isFocusable] must be set to true in order to receive key events such as
+     * the back button - if the modal bottom sheet is not focusable then this property does nothing.
+     */
+    fun properties(
+        securePolicy: SecureFlagPolicy = SecureFlagPolicy.Inherit,
+        isFocusable: Boolean = true,
+        shouldDismissOnBackPress: Boolean = true,
+    ) = ModalBottomSheetProperties2(securePolicy, isFocusable, shouldDismissOnBackPress)
+}
+
+/**
+ * Create and [remember] a [SheetState2] for [ModalBottomSheetFix].
+ *
+ * @param skipPartiallyExpanded Whether the partially expanded state, if the sheet is tall enough,
+ * should be skipped. If true, the sheet will always expand to the [Expanded] state and move to the
+ * [Hidden] state when hiding the sheet, either programmatically or by user interaction.
+ * @param confirmValueChange Optional callback invoked to confirm or veto a pending state change.
+ */
+@Composable
+@ExperimentalMaterial3Api
+fun rememberModalBottomSheetState(
+    skipPartiallyExpanded: Boolean = false,
+    confirmValueChange: (SheetValue) -> Boolean = { true },
+) = rememberSheetState(skipPartiallyExpanded, confirmValueChange, SheetValue.Hidden)
+
+@Composable
+@ExperimentalMaterial3Api
+internal fun rememberSheetState(
+    skipPartiallyExpanded: Boolean = false,
+    confirmValueChange: (SheetValue) -> Boolean = { true },
+    initialValue: SheetValue = SheetValue.Hidden,
+    skipHiddenState: Boolean = false,
+): SheetState2 {
+    val density = LocalDensity.current
+    return rememberSaveable(
+        skipPartiallyExpanded,
+        confirmValueChange,
+        saver = SheetState2.Saver(
+            skipPartiallyExpanded = skipPartiallyExpanded,
+            confirmValueChange = confirmValueChange,
+            density = density,
+        ),
+    ) {
+        SheetState2(
+            skipPartiallyExpanded,
+            density,
+            initialValue,
+            confirmValueChange,
+            skipHiddenState,
+        )
+    }
+}
+
+@Composable
+private fun Scrim(
+    color: Color,
+    onDismissRequest: () -> Unit,
+    visible: Boolean,
+) {
+    if (color.isSpecified) {
+        val alpha by animateFloatAsState(
+            targetValue = if (visible) 1f else 0f,
+            animationSpec = TweenSpec(),
+            label = "scrim",
+        )
+        val dismissSheet = if (visible) {
+            Modifier
+                .pointerInput(onDismissRequest) {
+                    detectTapGestures {
+                        onDismissRequest()
+                    }
+                }
+                .clearAndSetSemantics {}
+        } else {
+            Modifier
+        }
+        Canvas(
+            Modifier
+                .fillMaxSize()
+                .then(dismissSheet),
+        ) {
+            drawRect(color = color, alpha = alpha)
+        }
+    }
+}
+
+@ExperimentalMaterial3Api
+private fun Modifier.modalBottomSheetAnchors(
+    sheetState: SheetState2,
+    fullHeight: Float,
+) = onSizeChanged { sheetSize ->
+
+    val newAnchors = DraggableAnchors {
+        SheetValue.Hidden at fullHeight
+        if (sheetSize.height > (fullHeight / 2) && !sheetState.skipPartiallyExpanded) {
+            SheetValue.PartiallyExpanded at fullHeight / 2f
+        }
+        if (sheetSize.height != 0) {
+            SheetValue.Expanded at max(0f, fullHeight - sheetSize.height)
+        }
+    }
+
+    val newTarget = when (sheetState.anchoredDraggableState.targetValue) {
+        SheetValue.Hidden -> SheetValue.Hidden
+        SheetValue.PartiallyExpanded, SheetValue.Expanded -> {
+            val hasPartiallyExpandedState = newAnchors.hasAnchorFor(SheetValue.PartiallyExpanded)
+            val newTarget = if (hasPartiallyExpandedState) {
+                SheetValue.PartiallyExpanded
+            } else if (newAnchors.hasAnchorFor(SheetValue.Expanded)) SheetValue.Expanded else SheetValue.Hidden
+            newTarget
+        }
+    }
+
+    sheetState.anchoredDraggableState.updateAnchors(newAnchors, newTarget)
+}
+
+/**
+ * Popup specific for modal bottom sheet.
+ */
+@OptIn(ExperimentalMaterial3Api::class)
+@Composable
+internal fun ModalBottomSheetPopup(
+    properties: ModalBottomSheetProperties2,
+    onDismissRequest: () -> Unit,
+    windowInsets: WindowInsets,
+    content: @Composable () -> Unit,
+) {
+    val view = LocalView.current
+    val id = rememberSaveable { UUID.randomUUID() }
+    val parentComposition = rememberCompositionContext()
+    val currentContent by rememberUpdatedState(content)
+    val layoutDirection = LocalLayoutDirection.current
+    val configuration = LocalConfiguration.current
+    val modalBottomSheetWindow = remember(configuration) {
+        ModalBottomSheetWindow2(
+            properties = properties,
+            onDismissRequest = onDismissRequest,
+            composeView = view,
+            saveId = id,
+        ).apply {
+            setCustomContent(
+                parent = parentComposition,
+                content = {
+                    Box(
+                        Modifier
+                            .semantics { this.popup() }
+                            .windowInsetsPadding(windowInsets)
+                            .then(
+                                // TODO(b/290893168): Figure out a solution for APIs < 30.
+                                if (Build.VERSION.SDK_INT >= 33) {
+                                    Modifier.imePadding()
+                                } else {
+                                    Modifier
+                                },
+                            ),
+                    ) {
+                        currentContent()
+                    }
+                },
+            )
+        }
+    }
+
+    DisposableEffect(modalBottomSheetWindow) {
+        modalBottomSheetWindow.show()
+        modalBottomSheetWindow.superSetLayoutDirection(layoutDirection)
+        onDispose {
+            modalBottomSheetWindow.disposeComposition()
+            modalBottomSheetWindow.dismiss()
+        }
+    }
+}
+
+/** Custom compose view for [ModalBottomSheetFix] */
+@SuppressLint("ViewConstructor")
+@OptIn(ExperimentalMaterial3Api::class)
+private class ModalBottomSheetWindow2(
+    private val properties: ModalBottomSheetProperties2,
+    private var onDismissRequest: () -> Unit,
+    private val composeView: View,
+    saveId: UUID,
+) : AbstractComposeView(composeView.context),
+    ViewTreeObserver.OnGlobalLayoutListener,
+    ViewRootForInspector,
+    OnBackPressedDispatcherOwner {
+
+    init {
+        id = android.R.id.content
+        // Set up view owners
+        setViewTreeLifecycleOwner(composeView.findViewTreeLifecycleOwner())
+        setViewTreeViewModelStoreOwner(composeView.findViewTreeViewModelStoreOwner())
+        setViewTreeSavedStateRegistryOwner(composeView.findViewTreeSavedStateRegistryOwner())
+        setTag(androidx.compose.ui.R.id.compose_view_saveable_id_tag, "Popup:$saveId")
+        // Enable children to draw their shadow by not clipping them
+        clipChildren = false
+    }
+
+    override val lifecycle = composeView.findViewTreeLifecycleOwner()!!.lifecycle
+    override val onBackPressedDispatcher = OnBackPressedDispatcher {
+        onDismissRequest()
+    }
+
+    private val windowManager =
+        composeView.context.getSystemService(Context.WINDOW_SERVICE) as WindowManager
+
+    private val displayWidth: Int
+        get() = context.resources.displayMetrics.widthPixels
+
+    private val params: WindowManager.LayoutParams =
+        WindowManager.LayoutParams().apply {
+            // Position bottom sheet from the bottom of the screen
+            gravity = Gravity.BOTTOM or Gravity.START
+            // Application panel window
+            type = WindowManager.LayoutParams.TYPE_APPLICATION_PANEL
+            // Fill up the entire app view
+            width = displayWidth
+            height = WindowManager.LayoutParams.MATCH_PARENT
+
+            // Format of screen pixels
+            format = PixelFormat.TRANSLUCENT
+            // Title used as fallback for a11y services
+            // TODO: Provide bottom sheet window resource
+            title = composeView.context.resources.getString(
+                androidx.compose.ui.R.string.default_popup_window_title,
+            )
+            // Get the Window token from the parent view
+            token = composeView.applicationWindowToken
+
+            // Flags specific to modal bottom sheet.
+            flags = flags and (
+                WindowManager.LayoutParams.FLAG_IGNORE_CHEEK_PRESSES or
+                    WindowManager.LayoutParams.FLAG_ALT_FOCUSABLE_IM
+                ).inv()
+
+            flags = flags or WindowManager.LayoutParams.FLAG_LAYOUT_NO_LIMITS
+
+            // Security flag
+            val secureFlagEnabled =
+                properties.securePolicy.shouldApplySecureFlag(composeView.isFlagSecureEnabled())
+            if (secureFlagEnabled) {
+                flags = flags or WindowManager.LayoutParams.FLAG_SECURE
+            } else {
+                flags = flags and (WindowManager.LayoutParams.FLAG_SECURE.inv())
+            }
+
+            // Focusable
+            if (!properties.isFocusable) {
+                flags = flags or WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE
+            } else {
+                flags = flags and (WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE.inv())
+            }
+        }
+
+    private var content: @Composable () -> Unit by mutableStateOf({})
+
+    override var shouldCreateCompositionOnAttachedToWindow: Boolean = false
+        private set
+
+    @Composable
+    override fun Content() {
+        CompositionLocalProvider(LocalOnBackPressedDispatcherOwner provides this) {
+            content()
+        }
+    }
+
+    fun setCustomContent(
+        parent: CompositionContext? = null,
+        content: @Composable () -> Unit,
+    ) {
+        parent?.let { setParentCompositionContext(it) }
+        this.content = content
+        shouldCreateCompositionOnAttachedToWindow = true
+    }
+
+    fun show() {
+        windowManager.addView(this, params)
+        if (isAtLeastT) {
+            onBackPressedDispatcher.setOnBackInvokedDispatcher(findOnBackInvokedDispatcher()!!)
+        }
+    }
+
+    fun dismiss() {
+        setViewTreeLifecycleOwner(null)
+        setViewTreeSavedStateRegistryOwner(null)
+        composeView.viewTreeObserver.removeOnGlobalLayoutListener(this)
+        windowManager.removeViewImmediate(this)
+    }
+
+    override fun onGlobalLayout() {
+        // No-op
+    }
+
+    override fun setLayoutDirection(layoutDirection: Int) {
+        // Do nothing. ViewRootImpl will call this method attempting to set the layout direction
+        // from the context's locale, but we have one already from the parent composition.
+    }
+
+    // Sets the "real" layout direction for our content that we obtain from the parent composition.
+    fun superSetLayoutDirection(layoutDirection: LayoutDirection) {
+        val direction = when (layoutDirection) {
+            LayoutDirection.Ltr -> android.util.LayoutDirection.LTR
+            LayoutDirection.Rtl -> android.util.LayoutDirection.RTL
+        }
+        super.setLayoutDirection(direction)
+    }
+}
+
+// Taken from AndroidPopup.android.kt
+private fun View.isFlagSecureEnabled(): Boolean {
+    val windowParams = rootView.layoutParams as? WindowManager.LayoutParams
+    if (windowParams != null) {
+        return (windowParams.flags and WindowManager.LayoutParams.FLAG_SECURE) != 0
+    }
+    return false
+}
+
+// Taken from AndroidPopup.android.kt
+private fun SecureFlagPolicy.shouldApplySecureFlag(isSecureFlagSetOnParent: Boolean): Boolean {
+    return when (this) {
+        SecureFlagPolicy.SecureOff -> false
+        SecureFlagPolicy.SecureOn -> true
+        SecureFlagPolicy.Inherit -> isSecureFlagSetOnParent
+    }
+}

app/src/main/kotlin/androidx/compose/material3/NavigationDrawer2.kt

@@ -0,0 +1,525 @@
+@file:Suppress("ktlint:standard:property-naming", "ktlint:standard:function-naming")
+
+package androidx.compose.material3
+
+import androidx.compose.animation.core.AnimationSpec
+import androidx.compose.animation.core.TweenSpec
+import androidx.compose.animation.core.animate
+import androidx.compose.foundation.Canvas
+import androidx.compose.foundation.background
+import androidx.compose.foundation.gestures.AnchoredDraggableState
+import androidx.compose.foundation.gestures.DraggableAnchors
+import androidx.compose.foundation.gestures.awaitEachGesture
+import androidx.compose.foundation.gestures.awaitFirstDown
+import androidx.compose.foundation.gestures.awaitHorizontalTouchSlopOrCancellation
+import androidx.compose.foundation.gestures.detectTapGestures
+import androidx.compose.foundation.gestures.horizontalDrag
+import androidx.compose.foundation.gestures.snapTo
+import androidx.compose.foundation.layout.Box
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.offset
+import androidx.compose.foundation.shape.CornerSize
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.SideEffect
+import androidx.compose.runtime.Stable
+import androidx.compose.runtime.State
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
+import androidx.compose.runtime.rememberCoroutineScope
+import androidx.compose.runtime.saveable.Saver
+import androidx.compose.runtime.saveable.rememberSaveable
+import androidx.compose.runtime.setValue
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.graphics.BlurEffect
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.graphics.RectangleShape
+import androidx.compose.ui.graphics.TileMode
+import androidx.compose.ui.graphics.graphicsLayer
+import androidx.compose.ui.input.pointer.pointerInput
+import androidx.compose.ui.input.pointer.positionChange
+import androidx.compose.ui.input.pointer.util.VelocityTracker
+import androidx.compose.ui.input.pointer.util.addPointerInputChange
+import androidx.compose.ui.layout.layout
+import androidx.compose.ui.layout.onGloballyPositioned
+import androidx.compose.ui.platform.LocalDensity
+import androidx.compose.ui.platform.LocalLayoutDirection
+import androidx.compose.ui.unit.Constraints
+import androidx.compose.ui.unit.Density
+import androidx.compose.ui.unit.IntOffset
+import androidx.compose.ui.unit.LayoutDirection
+import androidx.compose.ui.unit.dp
+import androidx.compose.ui.unit.lerp
+import androidx.compose.ui.util.lerp
+import com.hippo.ehviewer.ui.tools.animateFloatMergeOneWayPredictiveBackAsState
+import kotlin.math.roundToInt
+import kotlinx.coroutines.CancellationException
+import kotlinx.coroutines.launch
+
+private val AnimationSpec = TweenSpec<Float>(durationMillis = 256)
+private const val DrawerPositionalThreshold = 0.5f
+private val DrawerVelocityThreshold = 400.dp
+private val ContainerWidth = 360.0.dp
+
+@Suppress("NotCloseable")
+@Stable
+class DrawerState2(
+    initialValue: DrawerValue,
+    val confirmStateChange: (DrawerValue) -> Boolean = { true },
+) {
+
+    val anchoredDraggableState = AnchoredDraggableState(
+        initialValue = initialValue,
+        animationSpec = AnimationSpec,
+        confirmValueChange = confirmStateChange,
+        positionalThreshold = { distance -> distance * DrawerPositionalThreshold },
+        velocityThreshold = { with(requireDensity()) { DrawerVelocityThreshold.toPx() } },
+    )
+
+    /**
+     * Whether the drawer is open.
+     */
+    val isOpen: Boolean
+        get() = currentValue == DrawerValue.Open
+
+    /**
+     * Whether the drawer is closed.
+     */
+    val isClosed: Boolean
+        get() = currentValue == DrawerValue.Closed
+
+    /**
+     * The current value of the state.
+     *
+     * If no swipe or animation is in progress, this corresponds to the start the drawer
+     * currently in. If a swipe or an animation is in progress, this corresponds the state drawer
+     * was in before the swipe or animation started.
+     */
+    val currentValue: DrawerValue
+        get() {
+            return anchoredDraggableState.currentValue
+        }
+
+    /**
+     * Whether the state is currently animating.
+     */
+    val isAnimationRunning: Boolean
+        get() {
+            return anchoredDraggableState.isAnimationRunning
+        }
+
+    /**
+     * Open the drawer with animation and suspend until it if fully opened or animation has been
+     * cancelled. This method will throw [CancellationException] if the animation is
+     * interrupted
+     *
+     * @return the reason the open animation ended
+     */
+    suspend fun open() = animateTo(DrawerValue.Open)
+
+    /**
+     * Close the drawer with animation and suspend until it if fully closed or animation has been
+     * cancelled. This method will throw [CancellationException] if the animation is
+     * interrupted
+     *
+     * @return the reason the close animation ended
+     */
+    suspend fun close() = animateTo(DrawerValue.Closed)
+
+    /**
+     * Set the state of the drawer with specific animation
+     *
+     * @param targetValue The new value to animate to.
+     * @param anim The animation that will be used to animate to the new value.
+     */
+    @Deprecated(
+        message = "This method has been replaced by the open and close methods. The animation " +
+            "spec is now an implementation detail of ModalDrawer.",
+    )
+    suspend fun animateTo(targetValue: DrawerValue, anim: AnimationSpec<Float>) {
+        animateTo(targetValue = targetValue, animationSpec = anim)
+    }
+
+    /**
+     * Set the state without any animation and suspend until it's set
+     *
+     * @param targetValue The new target value
+     */
+    suspend fun snapTo(targetValue: DrawerValue) {
+        anchoredDraggableState.snapTo(targetValue)
+    }
+
+    /**
+     * The target value of the drawer state.
+     *
+     * If a swipe is in progress, this is the value that the Drawer would animate to if the
+     * swipe finishes. If an animation is running, this is the target value of that animation.
+     * Finally, if no swipe or animation is in progress, this is the same as the [currentValue].
+     */
+    val targetValue: DrawerValue
+        get() = anchoredDraggableState.targetValue
+
+    /**
+     * The current position (in pixels) of the drawer sheet, or Float.NaN before the offset is
+     * initialized.
+     *
+     * @see [AnchoredDraggableState.offset] for more information.
+     */
+    @Deprecated(
+        message = "Please access the offset through currentOffset, which returns the value " +
+            "directly instead of wrapping it in a state object.",
+        replaceWith = ReplaceWith("currentOffset"),
+    )
+    val offset: State<Float> = object : State<Float> {
+        override val value: Float get() = anchoredDraggableState.offset
+    }
+
+    /**
+     * The current position (in pixels) of the drawer sheet, or Float.NaN before the offset is
+     * initialized.
+     *
+     * @see [AnchoredDraggableState.offset] for more information.
+     */
+    val currentOffset: Float get() = anchoredDraggableState.offset
+
+    internal var density: Density? by mutableStateOf(null)
+
+    private fun requireDensity() = requireNotNull(density) {
+        "The density on BottomDrawerState ($this) was not set. Did you use BottomDrawer" +
+            " with the BottomDrawer composable?"
+    }
+
+    internal fun requireOffset(): Float = anchoredDraggableState.requireOffset()
+
+    private suspend fun animateTo(
+        targetValue: DrawerValue,
+        animationSpec: AnimationSpec<Float> = AnimationSpec,
+        velocity: Float = anchoredDraggableState.lastVelocity,
+    ) {
+        anchoredDraggableState.anchoredDrag(targetValue = targetValue) { anchors, latestTarget ->
+            val targetOffset = anchors.positionOf(latestTarget)
+            if (!targetOffset.isNaN()) {
+                var prev = if (currentOffset.isNaN()) 0f else currentOffset
+                animate(prev, targetOffset, velocity, animationSpec) { value, velocity ->
+                    // Our onDrag coerces the value within the bounds, but an animation may
+                    // overshoot, for example a spring animation or an overshooting interpolator
+                    // We respect the user's intention and allow the overshoot, but still use
+                    // DraggableState's drag for its mutex.
+                    dragTo(value, velocity)
+                    prev = value
+                }
+            }
+        }
+    }
+
+    companion object {
+        /**
+         * The default [Saver] implementation for [DrawerState2].
+         */
+        fun Saver(confirmStateChange: (DrawerValue) -> Boolean) =
+            Saver<DrawerState2, DrawerValue>(
+                save = { it.currentValue },
+                restore = { DrawerState2(it, confirmStateChange) },
+            )
+    }
+}
+
+/**
+ * Create and [remember] a [DrawerState2].
+ *
+ * @param initialValue The initial value of the state.
+ * @param confirmStateChange Optional callback invoked to confirm or veto a pending state change.
+ */
+@Composable
+fun rememberDrawerState(
+    initialValue: DrawerValue,
+    confirmStateChange: (DrawerValue) -> Boolean = { true },
+): DrawerState2 {
+    return rememberSaveable(saver = DrawerState2.Saver(confirmStateChange)) {
+        DrawerState2(initialValue, confirmStateChange)
+    }
+}
+
+@Composable
+fun ModalNavigationDrawer(
+    drawerContent: @Composable () -> Unit,
+    modifier: Modifier = Modifier,
+    drawerState: DrawerState2 = rememberDrawerState(DrawerValue.Closed),
+    gesturesEnabled: Boolean = true,
+    scrimColor: Color = DrawerDefaults.scrimColor,
+    content: @Composable () -> Unit,
+) {
+    val scope = rememberCoroutineScope()
+    val density = LocalDensity.current
+    var minValue by remember { mutableStateOf(-with(density) { ContainerWidth.toPx() }) }
+    val maxValue = 0f
+
+    SideEffect {
+        drawerState.density = density
+        drawerState.anchoredDraggableState.updateAnchors(
+            DraggableAnchors {
+                DrawerValue.Closed at minValue
+                DrawerValue.Open at maxValue
+            },
+        )
+    }
+
+    val isRtl = LocalLayoutDirection.current == LayoutDirection.Rtl
+    val velocityTracker = remember { VelocityTracker() }
+    val dragModifier = if (gesturesEnabled) {
+        Modifier.pointerInput(isRtl) {
+            val multiplier = if (isRtl) -1 else 1
+            awaitEachGesture {
+                fun canConsume(slop: Float) = (slop > 0 && drawerState.isClosed) || (slop < 0 && drawerState.isOpen)
+                val down = awaitFirstDown(requireUnconsumed = false)
+                var ignore = false
+                val drag = awaitHorizontalTouchSlopOrCancellation(down.id) { change, over ->
+                    val overSlop = over * multiplier
+                    val canConsume = canConsume(overSlop)
+                    if (canConsume && !ignore) {
+                        velocityTracker.addPointerInputChange(change)
+                        change.consume()
+                        drawerState.anchoredDraggableState.dispatchRawDelta(overSlop)
+                    } else {
+                        ignore = true
+                    }
+                }
+                if (drag != null) {
+                    horizontalDrag(drag.id) {
+                        velocityTracker.addPointerInputChange(it)
+                        drawerState.anchoredDraggableState.dispatchRawDelta(it.positionChange().x * multiplier)
+                    }
+                    val velocity = velocityTracker.calculateVelocity()
+                    velocityTracker.resetTracking()
+                    scope.launch {
+                        drawerState.anchoredDraggableState.settle(velocity.x * multiplier)
+                    }
+                }
+            }
+        }
+    } else {
+        Modifier
+    }
+    Box(modifier.fillMaxSize().then(dragModifier)) {
+        val blurModifier = Modifier.graphicsLayer {
+            val step = calculateFraction(minValue, maxValue, drawerState.currentOffset)
+            val radius = lerp(0.dp, 10.dp, step)
+            if (radius != 0.dp) {
+                renderEffect = BlurEffect(radius.toPx(), radius.toPx(), TileMode.Clamp)
+                shape = RectangleShape
+                clip = true
+            }
+        }
+        Box(modifier = blurModifier) {
+            content()
+        }
+        Scrim(
+            open = drawerState.isOpen,
+            onClose = {
+                if (gesturesEnabled && drawerState.confirmStateChange(DrawerValue.Closed)) {
+                    scope.launch { drawerState.close() }
+                }
+            },
+            fraction = {
+                calculateFraction(minValue, maxValue, drawerState.requireOffset())
+            },
+            color = scrimColor,
+        )
+        val predictiveState by animateFloatMergeOneWayPredictiveBackAsState(drawerState.isOpen) {
+            drawerState.close()
+        }
+        val absoluteElevation = LocalAbsoluteTonalElevation.current + DrawerDefaults.ModalDrawerElevation
+        val predictiveModifier = if (drawerState.isOpen) {
+            if (predictiveState > 0) {
+                Modifier.layout { measurable, constraints ->
+                    val placeable = measurable.measure(constraints)
+                    val multiplierX = lerp(1f, 1.05f, predictiveState)
+                    val multiplierY = lerp(1f, 0.95f, predictiveState)
+                    val scaledWidth = (multiplierX * placeable.width).roundToInt()
+                    val scaledHeight = (multiplierY * placeable.height).roundToInt()
+                    val reMeasured = measurable.measure(Constraints.fixed(scaledWidth, scaledHeight))
+                    layout(scaledWidth, scaledHeight) {
+                        reMeasured.placeRelative(scaledWidth - placeable.width, 0)
+                    }
+                }.background(
+                    color = MaterialTheme.colorScheme.surfaceColorAtElevation(absoluteElevation),
+                    shape = DrawerDefaults.shape,
+                )
+            } else {
+                Modifier.graphicsLayer {
+                    val scale = lerp(1f, 0.95f, -predictiveState)
+                    scaleX = scale
+                    scaleY = scale
+                }.offset {
+                    IntOffset(lerp(0f, minValue * 0.05f, -predictiveState).roundToInt(), 0)
+                }
+            }
+        } else {
+            Modifier.onGloballyPositioned {
+                val w = it.size.width
+                if (w != 0) {
+                    minValue = -it.size.width.toFloat()
+                }
+            }
+        }
+        Box(
+            modifier = Modifier.offset {
+                IntOffset(drawerState.requireOffset().roundToInt(), 0)
+            } then predictiveModifier.align(Alignment.CenterStart),
+            contentAlignment = Alignment.CenterEnd,
+        ) {
+            drawerContent()
+        }
+    }
+}
+
+@Composable
+fun SideDrawer(
+    drawerContent: @Composable () -> Unit,
+    modifier: Modifier = Modifier,
+    drawerState: DrawerState2 = rememberDrawerState(DrawerValue.Closed),
+    gesturesEnabled: Boolean = true,
+    scrimColor: Color = DrawerDefaults.scrimColor,
+    content: @Composable () -> Unit,
+) {
+    val scope = rememberCoroutineScope()
+    val density = LocalDensity.current
+    var minValue by remember { mutableStateOf(with(density) { ContainerWidth.toPx() }) }
+    val maxValue = 0f
+
+    SideEffect {
+        drawerState.density = density
+        drawerState.anchoredDraggableState.updateAnchors(
+            DraggableAnchors {
+                DrawerValue.Closed at minValue
+                DrawerValue.Open at maxValue
+            },
+        )
+    }
+
+    val isRtl = LocalLayoutDirection.current == LayoutDirection.Rtl
+    val velocityTracker = remember { VelocityTracker() }
+    val dragModifier = if (gesturesEnabled) {
+        Modifier.pointerInput(isRtl) {
+            val multiplier = if (isRtl) -1 else 1
+            awaitEachGesture {
+                fun canConsume(slop: Float) = (slop > 0 && drawerState.isOpen) || (slop < 0 && drawerState.isClosed)
+                val down = awaitFirstDown(requireUnconsumed = false)
+                var ignore = false
+                val drag = awaitHorizontalTouchSlopOrCancellation(down.id) { change, over ->
+                    val overSlop = over * multiplier
+                    val canConsume = canConsume(overSlop)
+                    if (canConsume && !ignore) {
+                        velocityTracker.addPointerInputChange(change)
+                        change.consume()
+                        drawerState.anchoredDraggableState.dispatchRawDelta(overSlop)
+                    } else {
+                        ignore = true
+                    }
+                }
+                if (drag != null) {
+                    horizontalDrag(drag.id) {
+                        velocityTracker.addPointerInputChange(it)
+                        drag.consume()
+                        drawerState.anchoredDraggableState.dispatchRawDelta(it.positionChange().x * multiplier)
+                    }
+                    val velocity = velocityTracker.calculateVelocity()
+                    velocityTracker.resetTracking()
+                    scope.launch {
+                        drawerState.anchoredDraggableState.settle(velocity.x * multiplier)
+                    }
+                }
+            }
+        }
+    } else {
+        Modifier
+    }
+    Box(modifier.fillMaxSize().then(dragModifier)) {
+        val blurModifier = Modifier.graphicsLayer {
+            val step = calculateFraction(minValue, maxValue, drawerState.currentOffset)
+            val radius = lerp(0.dp, 10.dp, step)
+            if (radius != 0.dp) {
+                renderEffect = BlurEffect(radius.toPx(), radius.toPx(), TileMode.Clamp)
+                shape = RectangleShape
+                clip = true
+            }
+        }
+        Box(modifier = blurModifier) {
+            content()
+        }
+        Scrim(
+            open = drawerState.isOpen,
+            onClose = {
+                if (gesturesEnabled && drawerState.confirmStateChange(DrawerValue.Closed)) {
+                    scope.launch { drawerState.close() }
+                }
+            },
+            fraction = {
+                calculateFraction(minValue, maxValue, drawerState.requireOffset())
+            },
+            color = scrimColor,
+        )
+        val predictiveState by animateFloatMergeOneWayPredictiveBackAsState(drawerState.isOpen) {
+            drawerState.close()
+        }
+        val absoluteElevation = LocalAbsoluteTonalElevation.current + DrawerDefaults.ModalDrawerElevation
+        val predictiveModifier = if (drawerState.isOpen) {
+            if (predictiveState < 0) {
+                Modifier.layout { measurable, constraints ->
+                    val placeable = measurable.measure(constraints)
+                    val multiplierX = lerp(1f, 1.05f, -predictiveState)
+                    val multiplierY = lerp(1f, 0.95f, -predictiveState)
+                    val scaledWidth = (multiplierX * placeable.width).roundToInt()
+                    val scaledHeight = (multiplierY * placeable.height).roundToInt()
+                    val reMeasured = measurable.measure(Constraints.fixed(scaledWidth, scaledHeight))
+                    layout(scaledWidth, scaledHeight) {
+                        reMeasured.placeRelative(-(scaledWidth - placeable.width), 0)
+                    }
+                }.background(
+                    color = MaterialTheme.colorScheme.surfaceColorAtElevation(absoluteElevation),
+                    shape = ShapeDefaults.Large.copy(topEnd = CornerSize(0), bottomEnd = CornerSize(0)),
+                )
+            } else {
+                Modifier.graphicsLayer {
+                    val scale = lerp(1f, 0.95f, predictiveState)
+                    scaleX = scale
+                    scaleY = scale
+                }.offset {
+                    IntOffset(lerp(0f, minValue * 0.05f, predictiveState).roundToInt(), 0)
+                }
+            }
+        } else {
+            Modifier.onGloballyPositioned {
+                val w = it.size.width
+                if (w != 0) {
+                    minValue = it.size.width.toFloat()
+                }
+            }
+        }
+        Box(
+            modifier = Modifier.offset {
+                IntOffset(drawerState.requireOffset().roundToInt(), 0)
+            }.align(Alignment.CenterEnd) then predictiveModifier,
+            contentAlignment = Alignment.CenterStart,
+        ) {
+            drawerContent()
+        }
+    }
+}
+
+@Suppress("SameParameterValue")
+private fun calculateFraction(a: Float, b: Float, pos: Float) = ((pos - a) / (b - a)).coerceIn(0f, 1f)
+
+@Composable
+private fun Scrim(open: Boolean, onClose: () -> Unit, fraction: () -> Float, color: Color) {
+    val dismissDrawer = if (open) {
+        Modifier.pointerInput(onClose) { detectTapGestures { onClose() } }
+    } else {
+        Modifier
+    }
+
+    Canvas(Modifier.fillMaxSize().then(dismissDrawer)) {
+        drawRect(color, alpha = fraction())
+    }
+}

app/src/main/kotlin/androidx/compose/material3/SearchBar2.kt

@@ -0,0 +1,502 @@
+/*
+ * Copyright 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+@file:Suppress("ktlint:standard:property-naming")
+
+package androidx.compose.material3
+
+import androidx.activity.BackEventCompat
+import androidx.activity.compose.PredictiveBackHandler
+import androidx.compose.animation.core.Animatable
+import androidx.compose.animation.core.CubicBezierEasing
+import androidx.compose.animation.core.EaseOut
+import androidx.compose.animation.core.FiniteAnimationSpec
+import androidx.compose.animation.core.tween
+import androidx.compose.foundation.MutatorMutex
+import androidx.compose.foundation.interaction.Interaction
+import androidx.compose.foundation.interaction.MutableInteractionSource
+import androidx.compose.foundation.interaction.collectIsFocusedAsState
+import androidx.compose.foundation.layout.Box
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.ColumnScope
+import androidx.compose.foundation.layout.MutableWindowInsets
+import androidx.compose.foundation.layout.PaddingValues
+import androidx.compose.foundation.layout.WindowInsets
+import androidx.compose.foundation.layout.asPaddingValues
+import androidx.compose.foundation.layout.consumeWindowInsets
+import androidx.compose.foundation.layout.exclude
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.height
+import androidx.compose.foundation.layout.offset
+import androidx.compose.foundation.layout.onConsumedWindowInsetsChanged
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.shape.GenericShape
+import androidx.compose.foundation.text.KeyboardActions
+import androidx.compose.foundation.text.KeyboardOptions
+import androidx.compose.foundation.text2.BasicTextField2
+import androidx.compose.foundation.text2.input.TextFieldLineLimits
+import androidx.compose.foundation.text2.input.TextFieldState
+import androidx.compose.material3.SearchBarDefaults.InputFieldHeight
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.LaunchedEffect
+import androidx.compose.runtime.Stable
+import androidx.compose.runtime.State
+import androidx.compose.runtime.derivedStateOf
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
+import androidx.compose.runtime.setValue
+import androidx.compose.runtime.structuralEqualityPolicy
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.focus.FocusRequester
+import androidx.compose.ui.focus.focusRequester
+import androidx.compose.ui.focus.onFocusChanged
+import androidx.compose.ui.geometry.CornerRadius
+import androidx.compose.ui.geometry.RoundRect
+import androidx.compose.ui.geometry.toRect
+import androidx.compose.ui.graphics.Shape
+import androidx.compose.ui.graphics.SolidColor
+import androidx.compose.ui.graphics.graphicsLayer
+import androidx.compose.ui.graphics.takeOrElse
+import androidx.compose.ui.layout.layout
+import androidx.compose.ui.platform.LocalDensity
+import androidx.compose.ui.platform.LocalFocusManager
+import androidx.compose.ui.semantics.onClick
+import androidx.compose.ui.semantics.semantics
+import androidx.compose.ui.text.TextStyle
+import androidx.compose.ui.text.input.ImeAction
+import androidx.compose.ui.text.input.VisualTransformation
+import androidx.compose.ui.unit.Constraints
+import androidx.compose.ui.unit.Dp
+import androidx.compose.ui.unit.LayoutDirection
+import androidx.compose.ui.unit.dp
+import androidx.compose.ui.unit.lerp
+import androidx.compose.ui.unit.offset
+import androidx.compose.ui.util.lerp
+import androidx.compose.ui.zIndex
+import kotlin.math.abs
+import kotlin.math.max
+import kotlin.math.min
+import kotlin.math.roundToInt
+import kotlin.math.sign
+import kotlinx.coroutines.CancellationException
+import kotlinx.coroutines.delay
+
+/**
+ * <a href="https://m3.material.io/components/search/overview" class="external" target="_blank">Material Design search</a>.
+ *
+ * A search bar represents a floating search field that allows users to enter a keyword or phrase
+ * and get relevant information. It can be used as a way to navigate through an app via search
+ * queries.
+ *
+ * An active search bar expands into a search "view" and can be used to display dynamic suggestions.
+ *
+ * ![Search bar image](https://developer.android.com/images/reference/androidx/compose/material3/search-bar.png)
+ *
+ * A [SearchBar] expands to occupy the entirety of its allowed size when active. For full-screen
+ * behavior as specified by Material guidelines, parent layouts of the [SearchBar] must not pass
+ * any [Constraints] that limit its size, and the host activity should set
+ * `WindowCompat.setDecorFitsSystemWindows(window, false)`.
+ *
+ * If this expansion behavior is undesirable, for example on large tablet screens, [DockedSearchBar]
+ * can be used instead.
+ *
+ * @param state the query text to be shown in the search bar's input field
+ * @param onSearch the callback to be invoked when the input service triggers the [ImeAction.Search]
+ * action.
+ * @param active whether this search bar is active
+ * @param onActiveChange the callback to be invoked when this search bar's active state is changed
+ * @param modifier the [Modifier] to be applied to this search bar
+ * @param enabled controls the enabled state of this search bar. When `false`, this component will
+ * not respond to user input, and it will appear visually disabled and disabled to accessibility
+ * services.
+ * @param placeholder the placeholder to be displayed when the search bar's query is empty.
+ * @param leadingIcon the leading icon to be displayed at the beginning of the search bar container
+ * @param trailingIcon the trailing icon to be displayed at the end of the search bar container
+ * @param shape the shape of this search bar when it is not [active]. When [active], the shape will
+ * always be [SearchBarDefaults.fullScreenShape].
+ * @param colors [SearchBarColors] that will be used to resolve the colors used for this search bar
+ * in different states. See [SearchBarDefaults.colors].
+ * @param tonalElevation when [SearchBarColors.containerColor] is [ColorScheme.surface], a
+ * translucent primary color overlay is applied on top of the container. A higher tonal elevation
+ * value will result in a darker color in light theme and lighter color in dark theme. See also:
+ * [Surface].
+ * @param shadowElevation the elevation for the shadow below the search bar
+ * @param windowInsets the window insets that the search bar will respect
+ * @param interactionSource the [MutableInteractionSource] representing the stream of [Interaction]s
+ * for this search bar. You can create and pass in your own `remember`ed instance to observe
+ * [Interaction]s and customize the appearance / behavior of this search bar in different states.
+ * @param content the content of this search bar that will be displayed below the input field
+ */
+@ExperimentalMaterial3Api
+@Composable
+fun SearchBar(
+    state: TextFieldState,
+    onSearch: () -> Unit,
+    active: Boolean,
+    onActiveChange: (Boolean) -> Unit,
+    modifier: Modifier = Modifier,
+    enabled: Boolean = true,
+    title: @Composable (() -> Unit)? = null,
+    placeholder: @Composable (() -> Unit)? = null,
+    leadingIcon: @Composable (() -> Unit)? = null,
+    trailingIcon: @Composable (() -> Unit)? = null,
+    shape: Shape = SearchBarDefaults.inputFieldShape,
+    colors: SearchBarColors = SearchBarDefaults.colors(),
+    tonalElevation: Dp = SearchBarDefaults.TonalElevation,
+    shadowElevation: Dp = SearchBarDefaults.ShadowElevation,
+    windowInsets: WindowInsets = SearchBarDefaults.windowInsets,
+    interactionSource: MutableInteractionSource = remember { MutableInteractionSource() },
+    content: @Composable ColumnScope.() -> Unit,
+) {
+    val animationProgress = remember { Animatable(initialValue = if (active) 1f else 0f) }
+    var firstBackEvent by remember { mutableStateOf<BackEventCompat?>(null) }
+    var currentBackEvent by remember { mutableStateOf<BackEventCompat?>(null) }
+
+    val focusManager = LocalFocusManager.current
+    val density = LocalDensity.current
+
+    val defaultInputFieldShape = SearchBarDefaults.inputFieldShape
+    val defaultFullScreenShape = SearchBarDefaults.fullScreenShape
+    val useFullScreenShape by remember {
+        derivedStateOf(structuralEqualityPolicy()) { animationProgress.value == 1f }
+    }
+    val animatedShape = remember(useFullScreenShape, shape) {
+        when {
+            shape == defaultInputFieldShape ->
+                // The shape can only be animated if it's the default spec value
+                GenericShape { size, _ ->
+                    val radius = with(density) {
+                        (SearchBarCornerRadius * (1 - animationProgress.value)).toPx()
+                    }
+                    addRoundRect(RoundRect(size.toRect(), CornerRadius(radius)))
+                }
+            useFullScreenShape -> defaultFullScreenShape
+            else -> shape
+        }
+    }
+
+    // The main animation complexity is allowing the component to smoothly expand while keeping the
+    // input field at the same relative location on screen. `Modifier.windowInsetsPadding` does not
+    // support animation and thus is not suitable. Instead, we convert the insets to a padding
+    // applied to the Surface, which gradually becomes padding applied to the input field as the
+    // animation proceeds.
+    val unconsumedInsets = remember { MutableWindowInsets() }
+    val topPadding = remember(density) {
+        derivedStateOf {
+            SearchBarVerticalPadding +
+                unconsumedInsets.asPaddingValues(density).calculateTopPadding()
+        }
+    }
+
+    Surface(
+        shape = animatedShape,
+        color = colors.containerColor,
+        contentColor = contentColorFor(colors.containerColor),
+        tonalElevation = tonalElevation,
+        shadowElevation = shadowElevation,
+        modifier = modifier
+            .padding(horizontal = lerp(SearchBarHorizontalPadding, 0.dp, animationProgress.value))
+            .zIndex(1f)
+            .onConsumedWindowInsetsChanged { consumedInsets ->
+                unconsumedInsets.insets = windowInsets.exclude(consumedInsets)
+            }
+            .consumeWindowInsets(unconsumedInsets)
+            .layout { measurable, constraints ->
+                val animatedTopPadding =
+                    lerp(topPadding.value, 0.dp, animationProgress.value).roundToPx()
+
+                val startWidth: Int
+                val startHeight: Int
+                if (currentBackEvent == null) {
+                    startWidth = max(constraints.minWidth, SearchBarMinWidth.roundToPx())
+                        .coerceAtMost(min(constraints.maxWidth, SearchBarMaxWidth.roundToPx()))
+                    startHeight = max(constraints.minHeight, InputFieldHeight.roundToPx())
+                        .coerceAtMost(constraints.maxHeight)
+                } else {
+                    startWidth =
+                        (constraints.maxWidth * SearchBarPredictiveBackMinScale).roundToInt()
+                    startHeight =
+                        (constraints.maxHeight * SearchBarPredictiveBackMinScale).roundToInt()
+                }
+                val endWidth = constraints.maxWidth
+                val endHeight = constraints.maxHeight
+
+                val width = lerp(startWidth, endWidth, animationProgress.value)
+                val height =
+                    lerp(startHeight, endHeight, animationProgress.value) + animatedTopPadding
+
+                val minOffsetMargin = SearchBarPredictiveBackMinMargin.roundToPx()
+                val predictiveBackOffsetX = calculatePredictiveBackOffsetX(
+                    constraints,
+                    minOffsetMargin,
+                    currentBackEvent,
+                    animationProgress.value,
+                )
+                val predictiveBackOffsetY = calculatePredictiveBackOffsetY(
+                    constraints,
+                    minOffsetMargin,
+                    currentBackEvent,
+                    firstBackEvent,
+                    height,
+                    SearchBarPredictiveBackMaxOffsetY.roundToPx(),
+                )
+                val placeable = measurable.measure(
+                    Constraints
+                        .fixed(width, height)
+                        .offset(
+                            vertical = -animatedTopPadding,
+                        ),
+                )
+                layout(width, height) {
+                    placeable.placeRelative(
+                        predictiveBackOffsetX,
+                        animatedTopPadding + predictiveBackOffsetY,
+                    )
+                }
+            },
+    ) {
+        Column {
+            val animatedInputFieldPadding = remember {
+                AnimatedPaddingValues2(animationProgress.asState(), topPadding)
+            }
+            SearchBarInputField(
+                state = state,
+                onSearch = onSearch,
+                onActiveChange = onActiveChange,
+                modifier = Modifier.padding(paddingValues = animatedInputFieldPadding),
+                enabled = enabled,
+                label = title.takeUnless { active || animationProgress.value > 0 || state.text.isNotEmpty() },
+                placeholder = placeholder,
+                leadingIcon = leadingIcon,
+                trailingIcon = trailingIcon,
+                colors = colors.inputFieldColors,
+                interactionSource = interactionSource,
+            )
+
+            val showResults by remember {
+                derivedStateOf(structuralEqualityPolicy()) { animationProgress.value > 0 }
+            }
+            if (showResults) {
+                Column(Modifier.graphicsLayer { alpha = animationProgress.value }) {
+                    HorizontalDivider(color = colors.dividerColor)
+                    content()
+                }
+            }
+        }
+    }
+
+    val isFocused = interactionSource.collectIsFocusedAsState().value
+    val shouldClearFocus = !active && isFocused
+    if (shouldClearFocus) {
+        LaunchedEffect(true) {
+            // Not strictly needed according to the motion spec, but since the animation already has
+            // a delay, this works around b/261632544.
+            delay(AnimationDelayMillis.toLong())
+            focusManager.clearFocus()
+        }
+    }
+
+    LaunchedEffect(active) {
+        val animationInProgress = animationProgress.value > 0 && animationProgress.value < 1
+        val animationSpec =
+            if (animationInProgress) {
+                AnimationPredictiveBackExitFloatSpec
+            } else if (active) {
+                AnimationEnterFloatSpec
+            } else {
+                AnimationExitFloatSpec
+            }
+        animationProgress.animateTo(
+            targetValue = if (active) 1f else 0f,
+            animationSpec = animationSpec,
+        )
+    }
+    val mutatorMutex = remember { MutatorMutex() }
+    if (active) {
+        PredictiveBackHandler(true) { progress ->
+            mutatorMutex.mutate {
+                var canceled = false
+                try {
+                    progress.collect { backEvent ->
+                        if (firstBackEvent == null) {
+                            firstBackEvent = backEvent
+                        }
+                        currentBackEvent = backEvent
+                        val interpolatedProgress = EaseOut.transform(backEvent.progress)
+                        animationProgress.snapTo(targetValue = 1 - interpolatedProgress)
+                    }
+                } catch (e: CancellationException) {
+                    canceled = true
+                } finally {
+                    firstBackEvent = null
+                    currentBackEvent = null
+                    onActiveChange(canceled)
+                }
+            }
+        }
+    }
+}
+
+private fun calculatePredictiveBackOffsetX(
+    constraints: Constraints,
+    minMargin: Int,
+    currentBackEvent: BackEventCompat?,
+    progress: Float,
+): Int {
+    if (currentBackEvent == null) {
+        return 0
+    }
+    val directionMultiplier = if (currentBackEvent.swipeEdge == BackEventCompat.EDGE_LEFT) 1 else -1
+    val maxOffsetX =
+        (constraints.maxWidth * SearchBarPredictiveBackMaxOffsetXRatio) - minMargin
+    return (maxOffsetX * (1 - progress)).toInt() * directionMultiplier
+}
+
+private fun calculatePredictiveBackOffsetY(
+    constraints: Constraints,
+    minMargin: Int,
+    currentBackEvent: BackEventCompat?,
+    firstBackEvent: BackEventCompat?,
+    height: Int,
+    maxOffsetY: Int,
+): Int {
+    if (firstBackEvent == null || currentBackEvent == null) {
+        return 0
+    }
+    val availableVerticalSpace = max(0, (constraints.maxHeight - height) / 2 - minMargin)
+    val adjustedMaxOffsetY = min(availableVerticalSpace, maxOffsetY)
+    val yDelta = currentBackEvent.touchY - firstBackEvent.touchY
+    val yProgress = abs(yDelta) / constraints.maxHeight
+    val directionMultiplier = sign(yDelta)
+    return (lerp(0, adjustedMaxOffsetY, yProgress) * directionMultiplier).roundToInt()
+}
+
+@Composable
+private fun SearchBarInputField(
+    state: TextFieldState,
+    onSearch: () -> Unit,
+    onActiveChange: (Boolean) -> Unit,
+    modifier: Modifier = Modifier,
+    enabled: Boolean = true,
+    label: @Composable (() -> Unit)? = null,
+    placeholder: @Composable (() -> Unit)? = null,
+    leadingIcon: @Composable (() -> Unit)? = null,
+    trailingIcon: @Composable (() -> Unit)? = null,
+    colors: TextFieldColors = SearchBarDefaults.inputFieldColors(),
+    interactionSource: MutableInteractionSource = remember { MutableInteractionSource() },
+) {
+    val focusRequester = remember { FocusRequester() }
+    val focused by interactionSource.collectIsFocusedAsState()
+    val textColor = LocalTextStyle.current.color.takeOrElse {
+        if (focused) colors.focusedTextColor else colors.unfocusedTextColor
+    }
+
+    BasicTextField2(
+        state = state,
+        modifier = modifier
+            .height(InputFieldHeight)
+            .fillMaxWidth()
+            .focusRequester(focusRequester)
+            .onFocusChanged { if (it.isFocused) onActiveChange(true) }
+            .semantics {
+                onClick {
+                    focusRequester.requestFocus()
+                    true
+                }
+            },
+        enabled = enabled,
+        lineLimits = TextFieldLineLimits.SingleLine,
+        textStyle = LocalTextStyle.current.merge(TextStyle(color = textColor)),
+        cursorBrush = SolidColor(colors.cursorColor),
+        keyboardOptions = KeyboardOptions(imeAction = ImeAction.Search),
+        keyboardActions = KeyboardActions(onSearch = { onSearch() }),
+        interactionSource = interactionSource,
+        decorator = @Composable { innerTextField ->
+            TextFieldDefaults.DecorationBox(
+                value = state.text.toString(),
+                innerTextField = innerTextField,
+                enabled = enabled,
+                singleLine = true,
+                visualTransformation = VisualTransformation.None,
+                interactionSource = interactionSource,
+                label = label,
+                placeholder = placeholder,
+                leadingIcon = leadingIcon?.let { leading ->
+                    {
+                        Box(Modifier.offset(x = SearchBarIconOffsetX)) { leading() }
+                    }
+                },
+                trailingIcon = trailingIcon?.let { trailing ->
+                    {
+                        Box(Modifier.offset(x = -SearchBarIconOffsetX)) { trailing() }
+                    }
+                },
+                shape = SearchBarDefaults.inputFieldShape,
+                colors = colors,
+                contentPadding = TextFieldDefaults.contentPaddingWithoutLabel(),
+                container = {},
+            )
+        },
+    )
+}
+
+@Stable
+private class AnimatedPaddingValues2(
+    val animationProgress: State<Float>,
+    val topPadding: State<Dp>,
+) : PaddingValues {
+    override fun calculateTopPadding(): Dp = topPadding.value * animationProgress.value
+    override fun calculateBottomPadding(): Dp = SearchBarVerticalPadding * animationProgress.value
+
+    override fun calculateLeftPadding(layoutDirection: LayoutDirection): Dp = 0.dp
+    override fun calculateRightPadding(layoutDirection: LayoutDirection): Dp = 0.dp
+}
+
+// Measurement specs
+private val SearchBarCornerRadius: Dp = InputFieldHeight / 2
+internal val SearchBarMinWidth: Dp = 360.dp
+private val SearchBarMaxWidth: Dp = 720.dp
+internal val SearchBarVerticalPadding: Dp = 8.dp
+internal val SearchBarHorizontalPadding: Dp = 16.dp
+
+// Search bar has 16dp padding between icons and start/end, while by default text field has 12dp.
+private val SearchBarIconOffsetX: Dp = 4.dp
+
+private const val SearchBarPredictiveBackMinScale: Float = 9f / 10f
+private val SearchBarPredictiveBackMinMargin: Dp = 8.dp
+private const val SearchBarPredictiveBackMaxOffsetXRatio: Float = 1f / 20f
+private val SearchBarPredictiveBackMaxOffsetY: Dp = 24.dp
+
+// Animation specs
+private const val AnimationEnterDurationMillis: Int = 600
+private const val AnimationExitDurationMillis: Int = 350
+private const val AnimationDelayMillis: Int = 100
+private val AnimationEnterEasing = CubicBezierEasing(0.05f, 0.7f, 0.1f, 1.0f)
+private val AnimationExitEasing = CubicBezierEasing(0.0f, 1.0f, 0.0f, 1.0f)
+private val AnimationEnterFloatSpec: FiniteAnimationSpec<Float> = tween(
+    durationMillis = AnimationEnterDurationMillis,
+    delayMillis = AnimationDelayMillis,
+    easing = AnimationEnterEasing,
+)
+private val AnimationExitFloatSpec: FiniteAnimationSpec<Float> = tween(
+    durationMillis = AnimationExitDurationMillis,
+    delayMillis = AnimationDelayMillis,
+    easing = AnimationExitEasing,
+)
+private val AnimationPredictiveBackExitFloatSpec: FiniteAnimationSpec<Float> = tween(
+    durationMillis = AnimationExitDurationMillis,
+    easing = AnimationExitEasing,
+)

app/src/main/kotlin/androidx/navigation/compose/ComposeNavGraphNavigator.kt

@@ -0,0 +1,63 @@
+/*
+ * Copyright 2023 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package androidx.navigation.compose
+
+import androidx.compose.animation.AnimatedContentTransitionScope
+import androidx.compose.animation.EnterTransition
+import androidx.compose.animation.ExitTransition
+import androidx.navigation.NavBackStackEntry
+import androidx.navigation.NavGraph
+import androidx.navigation.NavGraphNavigator
+import androidx.navigation.Navigator
+import androidx.navigation.NavigatorProvider
+
+/**
+ * Custom subclass of [NavGraphNavigator] that adds support for defining
+ * transitions at the navigation graph level.
+ */
+@Navigator.Name("navigation")
+internal class ComposeNavGraphNavigator(
+    navigatorProvider: NavigatorProvider,
+) : NavGraphNavigator(navigatorProvider) {
+    override fun createDestination(): NavGraph {
+        return ComposeNavGraph(this)
+    }
+
+    internal class ComposeNavGraph(
+        navGraphNavigator: Navigator<out NavGraph>,
+    ) : NavGraph(navGraphNavigator) {
+        internal var enterTransition: (
+            @JvmSuppressWildcards
+            AnimatedContentTransitionScope<NavBackStackEntry>.() -> EnterTransition?
+        )? = null
+
+        internal var exitTransition: (
+            @JvmSuppressWildcards
+            AnimatedContentTransitionScope<NavBackStackEntry>.() -> ExitTransition?
+        )? = null
+
+        internal var popEnterTransition: (
+            @JvmSuppressWildcards
+            AnimatedContentTransitionScope<NavBackStackEntry>.() -> EnterTransition?
+        )? = null
+
+        internal var popExitTransition: (
+            @JvmSuppressWildcards
+            AnimatedContentTransitionScope<NavBackStackEntry>.() -> ExitTransition?
+        )? = null
+    }
+}

app/src/main/kotlin/androidx/navigation/compose/ComposeNavigator.kt

@@ -0,0 +1,128 @@
+/*
+ * Copyright 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package androidx.navigation.compose
+
+import androidx.compose.animation.AnimatedContentScope
+import androidx.compose.animation.AnimatedContentTransitionScope
+import androidx.compose.animation.EnterTransition
+import androidx.compose.animation.ExitTransition
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.mutableStateOf
+import androidx.navigation.NavBackStackEntry
+import androidx.navigation.NavDestination
+import androidx.navigation.NavOptions
+import androidx.navigation.Navigator
+import androidx.navigation.compose.ComposeNavigator.Destination
+
+/**
+ * Navigator that navigates through [Composable]s. Every destination using this Navigator must
+ * set a valid [Composable] by setting it directly on an instantiated [Destination] or calling
+ * [composable].
+ */
+@Navigator.Name("composable")
+public class ComposeNavigator : Navigator<Destination>() {
+
+    /**
+     * Get the map of transitions currently in progress from the [state].
+     */
+    internal val transitionsInProgress get() = state.transitionsInProgress
+
+    /**
+     * Get the back stack from the [state].
+     */
+    public val backStack get() = state.backStack
+
+    internal val isPop = mutableStateOf(false)
+
+    override fun navigate(
+        entries: List<NavBackStackEntry>,
+        navOptions: NavOptions?,
+        navigatorExtras: Extras?,
+    ) {
+        entries.forEach { entry ->
+            state.pushWithTransition(entry)
+        }
+        isPop.value = false
+    }
+
+    override fun createDestination(): Destination {
+        return Destination(this) { }
+    }
+
+    override fun popBackStack(popUpTo: NavBackStackEntry, savedState: Boolean) {
+        state.popWithTransition(popUpTo, savedState)
+        isPop.value = true
+    }
+
+    /**
+     * Callback to mark a navigation in transition as complete.
+     *
+     * This should be called in conjunction with [navigate] and [popBackStack] as those
+     * calls merely start a transition to the target destination, and requires manually marking
+     * the transition as complete by calling this method.
+     *
+     * Failing to call this method could result in entries being prevented from reaching their
+     * final [Lifecycle.State].
+     */
+    public fun onTransitionComplete(entry: NavBackStackEntry) {
+        state.markTransitionComplete(entry)
+    }
+
+    /**
+     * NavDestination specific to [ComposeNavigator]
+     */
+    @NavDestination.ClassType(Composable::class)
+    public class Destination(
+        navigator: ComposeNavigator,
+        internal val content:
+        @Composable AnimatedContentScope.(@JvmSuppressWildcards NavBackStackEntry) -> Unit,
+    ) : NavDestination(navigator) {
+
+        @Deprecated(
+            message = "Deprecated in favor of Destination that supports AnimatedContent",
+            level = DeprecationLevel.HIDDEN,
+        )
+        constructor(
+            navigator: ComposeNavigator,
+            content: @Composable (NavBackStackEntry) -> @JvmSuppressWildcards Unit,
+        ) : this(navigator, content = { entry -> content(entry) })
+
+        internal var enterTransition: (
+            @JvmSuppressWildcards
+            AnimatedContentTransitionScope<NavBackStackEntry>.() -> EnterTransition?
+        )? = null
+
+        internal var exitTransition: (
+            @JvmSuppressWildcards
+            AnimatedContentTransitionScope<NavBackStackEntry>.() -> ExitTransition?
+        )? = null
+
+        internal var popEnterTransition: (
+            @JvmSuppressWildcards
+            AnimatedContentTransitionScope<NavBackStackEntry>.() -> EnterTransition?
+        )? = null
+
+        internal var popExitTransition: (
+            @JvmSuppressWildcards
+            AnimatedContentTransitionScope<NavBackStackEntry>.() -> ExitTransition?
+        )? = null
+    }
+
+    internal companion object {
+        internal const val NAME = "composable"
+    }
+}

app/src/main/kotlin/androidx/navigation/compose/DialogHost.kt

@@ -0,0 +1,137 @@
+/*
+ * Copyright 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package androidx.navigation.compose
+
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.DisposableEffect
+import androidx.compose.runtime.LaunchedEffect
+import androidx.compose.runtime.collectAsState
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateListOf
+import androidx.compose.runtime.remember
+import androidx.compose.runtime.saveable.rememberSaveableStateHolder
+import androidx.compose.runtime.snapshots.SnapshotStateList
+import androidx.compose.ui.platform.LocalInspectionMode
+import androidx.compose.ui.window.Dialog
+import androidx.lifecycle.Lifecycle
+import androidx.lifecycle.LifecycleEventObserver
+import androidx.navigation.NavBackStackEntry
+import androidx.navigation.compose.DialogNavigator.Destination
+
+/**
+ * Show each [Destination] on the [DialogNavigator]'s back stack as a [Dialog].
+ *
+ * Note that [NavHost] will call this for you; you do not need to call it manually.
+ */
+@Composable
+public fun DialogHost(dialogNavigator: DialogNavigator) {
+    val saveableStateHolder = rememberSaveableStateHolder()
+    val dialogBackStack by dialogNavigator.backStack.collectAsState()
+    val visibleBackStack = rememberVisibleList(dialogBackStack)
+    visibleBackStack.PopulateVisibleList(dialogBackStack)
+
+    val transitionInProgress by dialogNavigator.transitionInProgress.collectAsState()
+    val dialogsToDispose = remember { mutableStateListOf<NavBackStackEntry>() }
+
+    visibleBackStack.forEach { backStackEntry ->
+        val destination = backStackEntry.destination as Destination
+        Dialog(
+            onDismissRequest = { dialogNavigator.dismiss(backStackEntry) },
+            properties = destination.dialogProperties,
+        ) {
+            DisposableEffect(backStackEntry) {
+                dialogsToDispose.add(backStackEntry)
+                onDispose {
+                    dialogNavigator.onTransitionComplete(backStackEntry)
+                    dialogsToDispose.remove(backStackEntry)
+                }
+            }
+
+            // while in the scope of the composable, we provide the navBackStackEntry as the
+            // ViewModelStoreOwner and LifecycleOwner
+            backStackEntry.LocalOwnersProvider(saveableStateHolder) {
+                destination.content(backStackEntry)
+            }
+        }
+    }
+    // Dialogs may have been popped before it was composed. To prevent leakage, we need to
+    // mark popped entries as complete here. Check that we don't accidentally complete popped
+    // entries that were composed, unless they were disposed of already.
+    LaunchedEffect(transitionInProgress, dialogsToDispose) {
+        transitionInProgress.forEach { entry ->
+            if (!dialogNavigator.backStack.value.contains(entry) &&
+                !dialogsToDispose.contains(entry)
+            ) {
+                dialogNavigator.onTransitionComplete(entry)
+            }
+        }
+    }
+}
+
+@Composable
+internal fun MutableList<NavBackStackEntry>.PopulateVisibleList(
+    backStack: Collection<NavBackStackEntry>,
+) {
+    val isInspecting = LocalInspectionMode.current
+    backStack.forEach { entry ->
+        DisposableEffect(entry.lifecycle) {
+            val observer = LifecycleEventObserver { _, event ->
+                // show dialog in preview
+                if (isInspecting && !contains(entry)) {
+                    add(entry)
+                }
+                // ON_START -> add to visibleBackStack, ON_STOP -> remove from visibleBackStack
+                if (event == Lifecycle.Event.ON_START) {
+                    // We want to treat the visible lists as Sets but we want to keep
+                    // the functionality of mutableStateListOf() so that we recompose in response
+                    // to adds and removes.
+                    if (!contains(entry)) {
+                        add(entry)
+                    }
+                }
+                if (event == Lifecycle.Event.ON_STOP) {
+                    remove(entry)
+                }
+            }
+            entry.lifecycle.addObserver(observer)
+            onDispose {
+                entry.lifecycle.removeObserver(observer)
+            }
+        }
+    }
+}
+
+@Composable
+internal fun rememberVisibleList(
+    backStack: Collection<NavBackStackEntry>,
+): SnapshotStateList<NavBackStackEntry> {
+    // show dialog in preview
+    val isInspecting = LocalInspectionMode.current
+    return remember(backStack) {
+        mutableStateListOf<NavBackStackEntry>().also {
+            it.addAll(
+                backStack.filter { entry ->
+                    if (isInspecting) {
+                        true
+                    } else {
+                        entry.lifecycle.currentState.isAtLeast(Lifecycle.State.STARTED)
+                    }
+                },
+            )
+        }
+    }
+}

app/src/main/kotlin/androidx/navigation/compose/DialogNavigator.kt

@@ -0,0 +1,96 @@
+/*
+ * Copyright 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package androidx.navigation.compose
+
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.window.Dialog
+import androidx.compose.ui.window.DialogProperties
+import androidx.navigation.FloatingWindow
+import androidx.navigation.NavBackStackEntry
+import androidx.navigation.NavDestination
+import androidx.navigation.NavOptions
+import androidx.navigation.Navigator
+import androidx.navigation.compose.DialogNavigator.Destination
+
+/**
+ * Navigator that navigates through [Composable]s that will be hosted within a
+ * [Dialog]. Every destination using this Navigator must  set a valid [Composable] by setting it
+ * directly on an instantiated [Destination] or calling [dialog].
+ */
+@Navigator.Name("dialog")
+public class DialogNavigator : Navigator<Destination>() {
+
+    /**
+     * Get the back stack from the [state].
+     */
+    internal val backStack get() = state.backStack
+
+    /**
+     * Get the transitioning dialogs from the [state].
+     */
+    internal val transitionInProgress get() = state.transitionsInProgress
+
+    /**
+     * Dismiss the dialog destination associated with the given [backStackEntry].
+     */
+    internal fun dismiss(backStackEntry: NavBackStackEntry) {
+        popBackStack(backStackEntry, false)
+    }
+
+    override fun navigate(
+        entries: List<NavBackStackEntry>,
+        navOptions: NavOptions?,
+        navigatorExtras: Extras?,
+    ) {
+        entries.forEach { entry ->
+            state.push(entry)
+        }
+    }
+
+    override fun createDestination(): Destination {
+        return Destination(this) { }
+    }
+
+    override fun popBackStack(popUpTo: NavBackStackEntry, savedState: Boolean) {
+        state.popWithTransition(popUpTo, savedState)
+        // When popping, the incoming dialog is marked transitioning to hold it in
+        // STARTED. With pop complete, we can remove it from transition so it can move to RESUMED.
+        val popIndex = state.transitionsInProgress.value.indexOf(popUpTo)
+        // do not mark complete for entries up to and including popUpTo
+        state.transitionsInProgress.value.forEachIndexed { index, entry ->
+            if (index > popIndex) onTransitionComplete(entry)
+        }
+    }
+
+    internal fun onTransitionComplete(entry: NavBackStackEntry) {
+        state.markTransitionComplete(entry)
+    }
+
+    /**
+     * NavDestination specific to [DialogNavigator]
+     */
+    @NavDestination.ClassType(Composable::class)
+    public class Destination(
+        navigator: DialogNavigator,
+        internal val dialogProperties: DialogProperties = DialogProperties(),
+        internal val content: @Composable (NavBackStackEntry) -> Unit,
+    ) : NavDestination(navigator), FloatingWindow
+
+    internal companion object {
+        internal const val NAME = "dialog"
+    }
+}

app/src/main/kotlin/androidx/navigation/compose/NavBackStackEntryProvider.kt

@@ -0,0 +1,88 @@
+/*
+ * Copyright 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+@file:Suppress("ktlint:standard:property-naming", "ktlint:standard:function-naming")
+
+package androidx.navigation.compose
+
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.CompositionLocalProvider
+import androidx.compose.runtime.saveable.SaveableStateHolder
+import androidx.compose.ui.platform.LocalLifecycleOwner
+import androidx.compose.ui.platform.LocalSavedStateRegistryOwner
+import androidx.lifecycle.SavedStateHandle
+import androidx.lifecycle.ViewModel
+import androidx.lifecycle.viewmodel.compose.LocalViewModelStoreOwner
+import androidx.lifecycle.viewmodel.compose.viewModel
+import androidx.navigation.NavBackStackEntry
+import java.lang.ref.WeakReference
+import java.util.UUID
+
+/**
+ * Provides [this] [NavBackStackEntry] as [LocalViewModelStoreOwner], [LocalLifecycleOwner] and
+ * [LocalSavedStateRegistryOwner] to the [content] and saves the [content]'s saveable states with
+ * the given [saveableStateHolder].
+ *
+ * @param saveableStateHolder The [SaveableStateHolder] that holds the saved states. The same
+ * holder should be used for all [NavBackStackEntry]s in the encapsulating [Composable] and the
+ * holder should be hoisted.
+ * @param content The content [Composable]
+ */
+@Composable
+public fun NavBackStackEntry.LocalOwnersProvider(
+    saveableStateHolder: SaveableStateHolder,
+    content: @Composable () -> Unit,
+) {
+    CompositionLocalProvider(
+        LocalViewModelStoreOwner provides this,
+        LocalLifecycleOwner provides this,
+        LocalSavedStateRegistryOwner provides this,
+    ) {
+        saveableStateHolder.SaveableStateProvider(content)
+    }
+}
+
+@Composable
+private fun SaveableStateHolder.SaveableStateProvider(content: @Composable () -> Unit) {
+    val viewModel = viewModel<BackStackEntryIdViewModel>()
+    // Stash a reference to the SaveableStateHolder in the ViewModel so that
+    // it is available when the ViewModel is cleared, marking the permanent removal of this
+    // NavBackStackEntry from the back stack. Which, because of animations,
+    // only happens after this leaves composition. Which means we can't rely on
+    // DisposableEffect to clean up this reference (as it'll be cleaned up too early)
+    viewModel.saveableStateHolderRef = WeakReference(this)
+    SaveableStateProvider(viewModel.id, content)
+}
+
+internal class BackStackEntryIdViewModel(handle: SavedStateHandle) : ViewModel() {
+
+    private val IdKey = "SaveableStateHolder_BackStackEntryKey"
+
+    // we create our own id for each back stack entry to support multiple entries of the same
+    // destination. this id will be restored by SavedStateHandle
+    val id: UUID = handle.get<UUID>(IdKey) ?: UUID.randomUUID().also { handle.set(IdKey, it) }
+
+    lateinit var saveableStateHolderRef: WeakReference<SaveableStateHolder>
+
+    // onCleared will be called on the entries removed from the back stack. here we notify
+    // SaveableStateProvider that we should remove any state is had associated with this
+    // destination as it is no longer needed.
+    override fun onCleared() {
+        super.onCleared()
+        saveableStateHolderRef.get()?.removeState(id)
+        saveableStateHolderRef.clear()
+    }
+}

app/src/main/kotlin/androidx/navigation/compose/NavGraphBuilder.kt

@@ -0,0 +1,243 @@
+/*
+ * Copyright 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package androidx.navigation.compose
+
+import androidx.compose.animation.AnimatedContentScope
+import androidx.compose.animation.AnimatedContentTransitionScope
+import androidx.compose.animation.EnterTransition
+import androidx.compose.animation.ExitTransition
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.window.DialogProperties
+import androidx.navigation.NamedNavArgument
+import androidx.navigation.NavBackStackEntry
+import androidx.navigation.NavDeepLink
+import androidx.navigation.NavGraph
+import androidx.navigation.NavGraphBuilder
+import androidx.navigation.get
+
+/**
+ * Add the [Composable] to the [NavGraphBuilder]
+ *
+ * @param route route for the destination
+ * @param arguments list of arguments to associate with destination
+ * @param deepLinks list of deep links to associate with the destinations
+ * @param content composable for the destination
+ */
+@Deprecated(
+    message = "Deprecated in favor of composable builder that supports AnimatedContent",
+    level = DeprecationLevel.HIDDEN,
+)
+public fun NavGraphBuilder.composable(
+    route: String,
+    arguments: List<NamedNavArgument> = emptyList(),
+    deepLinks: List<NavDeepLink> = emptyList(),
+    content: @Composable (NavBackStackEntry) -> Unit,
+) {
+    addDestination(
+        ComposeNavigator.Destination(provider[ComposeNavigator::class]) {
+                entry ->
+            content(entry)
+        }.apply {
+            this.route = route
+            arguments.forEach { (argumentName, argument) ->
+                addArgument(argumentName, argument)
+            }
+            deepLinks.forEach { deepLink ->
+                addDeepLink(deepLink)
+            }
+        },
+    )
+}
+
+/**
+ * Add the [Composable] to the [NavGraphBuilder]
+ *
+ * @param route route for the destination
+ * @param arguments list of arguments to associate with destination
+ * @param deepLinks list of deep links to associate with the destinations
+ * @param enterTransition callback to determine the destination's enter transition
+ * @param exitTransition callback to determine the destination's exit transition
+ * @param popEnterTransition callback to determine the destination's popEnter transition
+ * @param popExitTransition callback to determine the destination's popExit transition
+ * @param content composable for the destination
+ */
+public fun NavGraphBuilder.composable(
+    route: String,
+    arguments: List<NamedNavArgument> = emptyList(),
+    deepLinks: List<NavDeepLink> = emptyList(),
+    enterTransition: (
+        @JvmSuppressWildcards
+        AnimatedContentTransitionScope<NavBackStackEntry>.() -> EnterTransition?
+    )? = null,
+    exitTransition: (
+        @JvmSuppressWildcards
+        AnimatedContentTransitionScope<NavBackStackEntry>.() -> ExitTransition?
+    )? = null,
+    popEnterTransition: (
+        @JvmSuppressWildcards
+        AnimatedContentTransitionScope<NavBackStackEntry>.() -> EnterTransition?
+    )? =
+        enterTransition,
+    popExitTransition: (
+        @JvmSuppressWildcards
+        AnimatedContentTransitionScope<NavBackStackEntry>.() -> ExitTransition?
+    )? =
+        exitTransition,
+    content: @Composable AnimatedContentScope.(NavBackStackEntry) -> Unit,
+) {
+    addDestination(
+        ComposeNavigator.Destination(
+            provider[ComposeNavigator::class],
+            content,
+        ).apply {
+            this.route = route
+            arguments.forEach { (argumentName, argument) ->
+                addArgument(argumentName, argument)
+            }
+            deepLinks.forEach { deepLink ->
+                addDeepLink(deepLink)
+            }
+            this.enterTransition = enterTransition
+            this.exitTransition = exitTransition
+            this.popEnterTransition = popEnterTransition
+            this.popExitTransition = popExitTransition
+        },
+    )
+}
+
+/**
+ * Construct a nested [NavGraph]
+ *
+ * @sample androidx.navigation.compose.samples.NestedNavInGraphWithArgs
+ *
+ * @param startDestination the starting destination's route for this NavGraph
+ * @param route the destination's unique route
+ * @param arguments list of arguments to associate with destination
+ * @param deepLinks list of deep links to associate with the destinations
+ * @param builder the builder used to construct the graph
+ */
+@Deprecated(
+    message = "Deprecated in favor of navigation builder that supports AnimatedContent",
+    level = DeprecationLevel.HIDDEN,
+)
+public fun NavGraphBuilder.navigation(
+    startDestination: String,
+    route: String,
+    arguments: List<NamedNavArgument> = emptyList(),
+    deepLinks: List<NavDeepLink> = emptyList(),
+    builder: NavGraphBuilder.() -> Unit,
+) {
+    addDestination(
+        NavGraphBuilder(provider, startDestination, route).apply(builder).build().apply {
+            arguments.forEach { (argumentName, argument) ->
+                addArgument(argumentName, argument)
+            }
+            deepLinks.forEach { deepLink ->
+                addDeepLink(deepLink)
+            }
+        },
+    )
+}
+
+/**
+ * Construct a nested [NavGraph]
+ *
+ * @param startDestination the starting destination's route for this NavGraph
+ * @param route the destination's unique route
+ * @param arguments list of arguments to associate with destination
+ * @param deepLinks list of deep links to associate with the destinations
+ * @param enterTransition callback to define enter transitions for destination in this NavGraph
+ * @param exitTransition callback to define exit transitions for destination in this NavGraph
+ * @param popEnterTransition callback to define pop enter transitions for destination in this
+ * NavGraph
+ * @param popExitTransition callback to define pop exit transitions for destination in this NavGraph
+ * @param builder the builder used to construct the graph
+ *
+ * @return the newly constructed nested NavGraph
+ */
+public fun NavGraphBuilder.navigation(
+    startDestination: String,
+    route: String,
+    arguments: List<NamedNavArgument> = emptyList(),
+    deepLinks: List<NavDeepLink> = emptyList(),
+    enterTransition: (AnimatedContentTransitionScope<NavBackStackEntry>.() -> EnterTransition?)? =
+        null,
+    exitTransition: (AnimatedContentTransitionScope<NavBackStackEntry>.() -> ExitTransition?)? =
+        null,
+    popEnterTransition: (
+        AnimatedContentTransitionScope<NavBackStackEntry>.() -> EnterTransition?
+    )? = enterTransition,
+    popExitTransition: (
+        AnimatedContentTransitionScope<NavBackStackEntry>.() -> ExitTransition?
+    )? = exitTransition,
+    builder: NavGraphBuilder.() -> Unit,
+) {
+    addDestination(
+        NavGraphBuilder(provider, startDestination, route).apply(builder).build().apply {
+            arguments.forEach { (argumentName, argument) ->
+                addArgument(argumentName, argument)
+            }
+            deepLinks.forEach { deepLink ->
+                addDeepLink(deepLink)
+            }
+            if (this is ComposeNavGraphNavigator.ComposeNavGraph) {
+                this.enterTransition = enterTransition
+                this.exitTransition = exitTransition
+                this.popEnterTransition = popEnterTransition
+                this.popExitTransition = popExitTransition
+            }
+        },
+    )
+}
+
+/**
+ * Add the [Composable] to the [NavGraphBuilder] that will be hosted within a
+ * [androidx.compose.ui.window.Dialog]. This is suitable only when this dialog represents
+ * a separate screen in your app that needs its own lifecycle and saved state, independent
+ * of any other destination in your navigation graph. For use cases such as `AlertDialog`,
+ * you should use those APIs directly in the [composable] destination that wants to show that
+ * dialog.
+ *
+ * @param route route for the destination
+ * @param arguments list of arguments to associate with destination
+ * @param deepLinks list of deep links to associate with the destinations
+ * @param dialogProperties properties that should be passed to [androidx.compose.ui.window.Dialog].
+ * @param content composable content for the destination that will be hosted within the Dialog
+ */
+public fun NavGraphBuilder.dialog(
+    route: String,
+    arguments: List<NamedNavArgument> = emptyList(),
+    deepLinks: List<NavDeepLink> = emptyList(),
+    dialogProperties: DialogProperties = DialogProperties(),
+    content: @Composable (NavBackStackEntry) -> Unit,
+) {
+    addDestination(
+        DialogNavigator.Destination(
+            provider[DialogNavigator::class],
+            dialogProperties,
+            content,
+        ).apply {
+            this.route = route
+            arguments.forEach { (argumentName, argument) ->
+                addArgument(argumentName, argument)
+            }
+            deepLinks.forEach { deepLink ->
+                addDeepLink(deepLink)
+            }
+        },
+    )
+}

app/src/main/kotlin/androidx/navigation/compose/NavHost.kt

@@ -0,0 +1,424 @@
+/*
+ * Copyright 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package androidx.navigation.compose
+
+import android.annotation.SuppressLint
+import androidx.activity.compose.BackHandler
+import androidx.activity.compose.PredictiveBackHandler
+import androidx.compose.animation.AnimatedContent
+import androidx.compose.animation.AnimatedContentTransitionScope
+import androidx.compose.animation.ContentTransform
+import androidx.compose.animation.EnterTransition
+import androidx.compose.animation.ExitTransition
+import androidx.compose.animation.core.Animatable
+import androidx.compose.animation.core.EaseOut
+import androidx.compose.animation.core.LinearEasing
+import androidx.compose.animation.core.MutableTransitionState
+import androidx.compose.animation.core.tween
+import androidx.compose.animation.core.updateTransition
+import androidx.compose.animation.fadeIn
+import androidx.compose.animation.fadeOut
+import androidx.compose.animation.togetherWith
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.DisposableEffect
+import androidx.compose.runtime.LaunchedEffect
+import androidx.compose.runtime.collectAsState
+import androidx.compose.runtime.derivedStateOf
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.remember
+import androidx.compose.runtime.saveable.rememberSaveableStateHolder
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.platform.LocalLifecycleOwner
+import androidx.lifecycle.viewmodel.compose.LocalViewModelStoreOwner
+import androidx.navigation.NavBackStackEntry
+import androidx.navigation.NavDestination
+import androidx.navigation.NavDestination.Companion.hierarchy
+import androidx.navigation.NavGraph
+import androidx.navigation.NavGraphBuilder
+import androidx.navigation.NavHostController
+import androidx.navigation.Navigator
+import androidx.navigation.createGraph
+import androidx.navigation.get
+import com.hippo.ehviewer.Settings
+import com.hippo.ehviewer.collectAsState
+import kotlin.math.roundToLong
+import kotlinx.coroutines.CancellationException
+import kotlinx.coroutines.NonCancellable
+import kotlinx.coroutines.withContext
+
+/**
+ * Provides in place in the Compose hierarchy for self contained navigation to occur.
+ *
+ * Once this is called, any Composable within the given [NavGraphBuilder] can be navigated to from
+ * the provided [navController].
+ *
+ * The builder passed into this method is [remember]ed. This means that for this NavHost, the
+ * contents of the builder cannot be changed.
+ *
+ * @sample androidx.navigation.compose.samples.NavScaffold
+ *
+ * @param navController the navController for this host
+ * @param startDestination the route for the start destination
+ * @param modifier The modifier to be applied to the layout.
+ * @param route the route for the graph
+ * @param builder the builder used to construct the graph
+ */
+@Deprecated(
+    message = "Deprecated in favor of NavHost that supports AnimatedContent",
+    level = DeprecationLevel.HIDDEN,
+)
+@Composable
+public fun NavHost(
+    navController: NavHostController,
+    startDestination: String,
+    modifier: Modifier = Modifier,
+    route: String? = null,
+    builder: NavGraphBuilder.() -> Unit,
+) {
+    NavHost(
+        navController,
+        remember(route, startDestination, builder) {
+            navController.createGraph(startDestination, route, builder)
+        },
+        modifier,
+    )
+}
+
+/**
+ * Provides in place in the Compose hierarchy for self contained navigation to occur.
+ *
+ * Once this is called, any Composable within the given [NavGraphBuilder] can be navigated to from
+ * the provided [navController].
+ *
+ * The builder passed into this method is [remember]ed. This means that for this NavHost, the
+ * contents of the builder cannot be changed.
+ *
+ * @param navController the navController for this host
+ * @param startDestination the route for the start destination
+ * @param modifier The modifier to be applied to the layout.
+ * @param contentAlignment The [Alignment] of the [AnimatedContent]
+ * @param route the route for the graph
+ * @param enterTransition callback to define enter transitions for destination in this host
+ * @param exitTransition callback to define exit transitions for destination in this host
+ * @param popEnterTransition callback to define popEnter transitions for destination in this host
+ * @param popExitTransition callback to define popExit transitions for destination in this host
+ * @param builder the builder used to construct the graph
+ */
+@Composable
+public fun NavHost(
+    navController: NavHostController,
+    startDestination: String,
+    modifier: Modifier = Modifier,
+    contentAlignment: Alignment = Alignment.Center,
+    route: String? = null,
+    enterTransition: (AnimatedContentTransitionScope<NavBackStackEntry>.() -> EnterTransition) =
+        { fadeIn(animationSpec = tween(700)) },
+    exitTransition: (AnimatedContentTransitionScope<NavBackStackEntry>.() -> ExitTransition) =
+        { fadeOut(animationSpec = tween(700)) },
+    popEnterTransition: (AnimatedContentTransitionScope<NavBackStackEntry>.() -> EnterTransition) =
+        enterTransition,
+    popExitTransition: (AnimatedContentTransitionScope<NavBackStackEntry>.() -> ExitTransition) =
+        exitTransition,
+    builder: NavGraphBuilder.() -> Unit,
+) {
+    NavHost(
+        navController,
+        remember(route, startDestination, builder) {
+            navController.createGraph(startDestination, route, builder)
+        },
+        modifier,
+        contentAlignment,
+        enterTransition,
+        exitTransition,
+        popEnterTransition,
+        popExitTransition,
+    )
+}
+
+/**
+ * Provides in place in the Compose hierarchy for self contained navigation to occur.
+ *
+ * Once this is called, any Composable within the given [NavGraphBuilder] can be navigated to from
+ * the provided [navController].
+ *
+ * The graph passed into this method is [remember]ed. This means that for this NavHost, the graph
+ * cannot be changed.
+ *
+ * @param navController the navController for this host
+ * @param graph the graph for this host
+ * @param modifier The modifier to be applied to the layout.
+ */
+@Deprecated(
+    message = "Deprecated in favor of NavHost that supports AnimatedContent",
+    level = DeprecationLevel.HIDDEN,
+)
+@Composable
+public fun NavHost(
+    navController: NavHostController,
+    graph: NavGraph,
+    modifier: Modifier = Modifier,
+) = NavHost(navController, graph, modifier)
+
+/**
+ * Provides in place in the Compose hierarchy for self contained navigation to occur.
+ *
+ * Once this is called, any Composable within the given [NavGraphBuilder] can be navigated to from
+ * the provided [navController].
+ *
+ * @param navController the navController for this host
+ * @param graph the graph for this host
+ * @param modifier The modifier to be applied to the layout.
+ * @param contentAlignment The [Alignment] of the [AnimatedContent]
+ * @param enterTransition callback to define enter transitions for destination in this host
+ * @param exitTransition callback to define exit transitions for destination in this host
+ * @param popEnterTransition callback to define popEnter transitions for destination in this host
+ * @param popExitTransition callback to define popExit transitions for destination in this host
+ */
+@SuppressLint("StateFlowValueCalledInComposition")
+@Composable
+public fun NavHost(
+    navController: NavHostController,
+    graph: NavGraph,
+    modifier: Modifier = Modifier,
+    contentAlignment: Alignment = Alignment.Center,
+    enterTransition: (AnimatedContentTransitionScope<NavBackStackEntry>.() -> EnterTransition) =
+        { fadeIn(animationSpec = tween(700)) },
+    exitTransition: (AnimatedContentTransitionScope<NavBackStackEntry>.() -> ExitTransition) =
+        { fadeOut(animationSpec = tween(700)) },
+    popEnterTransition: (AnimatedContentTransitionScope<NavBackStackEntry>.() -> EnterTransition) =
+        enterTransition,
+    popExitTransition: (AnimatedContentTransitionScope<NavBackStackEntry>.() -> ExitTransition) =
+        exitTransition,
+) {
+    val lifecycleOwner = LocalLifecycleOwner.current
+    val viewModelStoreOwner = checkNotNull(LocalViewModelStoreOwner.current) {
+        "NavHost requires a ViewModelStoreOwner to be provided via LocalViewModelStoreOwner"
+    }
+
+    navController.setViewModelStore(viewModelStoreOwner.viewModelStore)
+
+    // Then set the graph
+    navController.graph = graph
+
+    // Find the ComposeNavigator, returning early if it isn't found
+    // (such as is the case when using TestNavHostController)
+    val composeNavigator = navController.navigatorProvider.get<Navigator<out NavDestination>>(
+        ComposeNavigator.NAME,
+    ) as? ComposeNavigator ?: return
+
+    val currentBackStack by composeNavigator.backStack.collectAsState()
+
+    DisposableEffect(lifecycleOwner) {
+        // Setup the navController with proper owners
+        navController.setLifecycleOwner(lifecycleOwner)
+        onDispose { }
+    }
+
+    val saveableStateHolder = rememberSaveableStateHolder()
+
+    val allVisibleEntries by navController.visibleEntries.collectAsState()
+
+    // Intercept back only when there's a destination to pop
+    val visibleEntries by remember {
+        derivedStateOf {
+            allVisibleEntries.filter { entry ->
+                entry.destination.navigatorName == ComposeNavigator.NAME
+            }
+        }
+    }
+
+    val backStackEntry: NavBackStackEntry? = visibleEntries.lastOrNull()
+
+    val zIndices = remember { mutableMapOf<String, Float>() }
+
+    if (backStackEntry != null) {
+        val finalEnter: AnimatedContentTransitionScope<NavBackStackEntry>.() -> EnterTransition = {
+            val targetDestination = targetState.destination as ComposeNavigator.Destination
+
+            if (composeNavigator.isPop.value) {
+                targetDestination.hierarchy.firstNotNullOfOrNull { destination ->
+                    destination.createPopEnterTransition(this)
+                } ?: popEnterTransition.invoke(this)
+            } else {
+                targetDestination.hierarchy.firstNotNullOfOrNull { destination ->
+                    destination.createEnterTransition(this)
+                } ?: enterTransition.invoke(this)
+            }
+        }
+
+        val finalExit: AnimatedContentTransitionScope<NavBackStackEntry>.() -> ExitTransition = {
+            val initialDestination = initialState.destination as ComposeNavigator.Destination
+
+            if (composeNavigator.isPop.value) {
+                initialDestination.hierarchy.firstNotNullOfOrNull { destination ->
+                    destination.createPopExitTransition(this)
+                } ?: popExitTransition.invoke(this)
+            } else {
+                initialDestination.hierarchy.firstNotNullOfOrNull { destination ->
+                    destination.createExitTransition(this)
+                } ?: exitTransition.invoke(this)
+            }
+        }
+
+        DisposableEffect(true) {
+            onDispose {
+                visibleEntries.forEach { entry ->
+                    composeNavigator.onTransitionComplete(entry)
+                }
+            }
+        }
+
+        val enablePredictiveBack by Settings.predictiveNavAnim.collectAsState()
+        val transition = if (enablePredictiveBack) {
+            val duration = 500000000L
+            val transitionState = remember { MutableTransitionState(backStackEntry) }
+            val transition = updateTransition(transitionState = transitionState, label = "entry")
+            val animatedFraction = remember { Animatable(0f).also { it.updateBounds(lowerBound = 0f, upperBound = 1f) } }
+
+            fun seekToFraction(lState: NavBackStackEntry, rState: NavBackStackEntry) {
+                val fraction = animatedFraction.value
+                val playTimeNanos = (fraction * duration).roundToLong()
+                transition.setPlaytimeAfterInitialAndTargetStateEstablished(lState, rState, playTimeNanos)
+            }
+
+            LaunchedEffect(backStackEntry) {
+                try {
+                    animatedFraction.animateTo(1f, animationSpec = tween(500, easing = LinearEasing)) {
+                        seekToFraction(transitionState.currentState, backStackEntry)
+                    }
+                } finally {
+                    withContext(NonCancellable) {
+                        animatedFraction.snapTo(0f)
+                        transition.setPlaytimeAfterInitialAndTargetStateEstablished(
+                            backStackEntry,
+                            backStackEntry,
+                            0,
+                        )
+                    }
+                }
+            }
+
+            PredictiveBackHandler(currentBackStack.size > 1) { flow ->
+                // Prev can never be null, i.e. BackHandler should not enabled when prev is null
+                val prev = currentBackStack.last { it != backStackEntry }
+                try {
+                    flow.collect {
+                        val interpolated = EaseOut.transform(it.progress)
+                        animatedFraction.snapTo(interpolated)
+                        seekToFraction(backStackEntry, prev)
+                    }
+                    navController.popBackStack()
+                } catch (e: CancellationException) {
+                    withContext(NonCancellable) {
+                        animatedFraction.snapTo(0f)
+                        transition.setPlaytimeAfterInitialAndTargetStateEstablished(
+                            backStackEntry,
+                            backStackEntry,
+                            0,
+                        )
+                    }
+                }
+            }
+            transition
+        } else {
+            BackHandler(currentBackStack.size > 1) {
+                navController.popBackStack()
+            }
+            updateTransition(backStackEntry, label = "entry")
+        }
+
+        transition.AnimatedContent(
+            modifier,
+            transitionSpec = {
+                // If the initialState of the AnimatedContent is not in visibleEntries, we are in
+                // a case where visible has cleared the old state for some reason, so instead of
+                // attempting to animate away from the initialState, we skip the animation.
+                if (initialState in visibleEntries) {
+                    val initialZIndex = zIndices[initialState.id]
+                        ?: 0f.also { zIndices[initialState.id] = 0f }
+                    val targetZIndex = when {
+                        targetState.id == initialState.id -> initialZIndex
+                        composeNavigator.isPop.value -> initialZIndex - 1f
+                        else -> initialZIndex + 1f
+                    }.also { zIndices[targetState.id] = it }
+
+                    ContentTransform(finalEnter(this), finalExit(this), targetZIndex)
+                } else {
+                    EnterTransition.None togetherWith ExitTransition.None
+                }
+            },
+            contentAlignment,
+            contentKey = { it.id },
+        ) {
+            // while in the scope of the composable, we provide the navBackStackEntry as the
+            // ViewModelStoreOwner and LifecycleOwner
+            it.LocalOwnersProvider(saveableStateHolder) {
+                (it.destination as ComposeNavigator.Destination)
+                    .content(this, it)
+            }
+        }
+        LaunchedEffect(transition.currentState, transition.targetState) {
+            if (transition.currentState == transition.targetState) {
+                visibleEntries.forEach { entry ->
+                    composeNavigator.onTransitionComplete(entry)
+                }
+                zIndices
+                    .filter { it.key != transition.targetState.id }
+                    .forEach { zIndices.remove(it.key) }
+            }
+        }
+    }
+
+    val dialogNavigator = navController.navigatorProvider.get<Navigator<out NavDestination>>(
+        DialogNavigator.NAME,
+    ) as? DialogNavigator ?: return
+
+    // Show any dialog destinations
+    DialogHost(dialogNavigator)
+}
+
+private fun NavDestination.createEnterTransition(
+    scope: AnimatedContentTransitionScope<NavBackStackEntry>,
+): EnterTransition? = when (this) {
+    is ComposeNavigator.Destination -> this.enterTransition?.invoke(scope)
+    is ComposeNavGraphNavigator.ComposeNavGraph -> this.enterTransition?.invoke(scope)
+    else -> null
+}
+
+private fun NavDestination.createExitTransition(
+    scope: AnimatedContentTransitionScope<NavBackStackEntry>,
+): ExitTransition? = when (this) {
+    is ComposeNavigator.Destination -> this.exitTransition?.invoke(scope)
+    is ComposeNavGraphNavigator.ComposeNavGraph -> this.exitTransition?.invoke(scope)
+    else -> null
+}
+
+private fun NavDestination.createPopEnterTransition(
+    scope: AnimatedContentTransitionScope<NavBackStackEntry>,
+): EnterTransition? = when (this) {
+    is ComposeNavigator.Destination -> this.popEnterTransition?.invoke(scope)
+    is ComposeNavGraphNavigator.ComposeNavGraph -> this.popEnterTransition?.invoke(scope)
+    else -> null
+}
+private fun NavDestination.createPopExitTransition(
+    scope: AnimatedContentTransitionScope<NavBackStackEntry>,
+): ExitTransition? = when (this) {
+    is ComposeNavigator.Destination -> this.popExitTransition?.invoke(scope)
+    is ComposeNavGraphNavigator.ComposeNavGraph -> this.popExitTransition?.invoke(scope)
+    else -> null
+}

app/src/main/kotlin/androidx/navigation/compose/NavHostController.kt

@@ -0,0 +1,86 @@
+/*
+ * Copyright 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+@file:Suppress("ktlint:standard:property-naming", "ktlint:standard:function-naming")
+
+package androidx.navigation.compose
+
+import android.content.Context
+import android.os.Bundle
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.MutableState
+import androidx.compose.runtime.State
+import androidx.compose.runtime.collectAsState
+import androidx.compose.runtime.saveable.Saver
+import androidx.compose.runtime.saveable.rememberSaveable
+import androidx.compose.ui.platform.LocalContext
+import androidx.navigation.NavBackStackEntry
+import androidx.navigation.NavController
+import androidx.navigation.NavDestination
+import androidx.navigation.NavHostController
+import androidx.navigation.Navigator
+
+/**
+ * Gets the current navigation back stack entry as a [MutableState]. When the given navController
+ * changes the back stack due to a [NavController.navigate] or [NavController.popBackStack] this
+ * will trigger a recompose and return the top entry on the back stack.
+ *
+ * @return a mutable state of the current back stack entry
+ */
+@Composable
+public fun NavController.currentBackStackEntryAsState(): State<NavBackStackEntry?> {
+    return currentBackStackEntryFlow.collectAsState(null)
+}
+
+/**
+ * Creates a NavHostController that handles the adding of the [ComposeNavigator] and
+ * [DialogNavigator]. Additional [Navigator] instances can be passed through [navigators] to
+ * be applied to the returned NavController. Note that each [Navigator] must be separately
+ * remembered before being passed in here: any changes to those inputs will cause the
+ * NavController to be recreated.
+ *
+ * @see NavHost
+ */
+@Composable
+public fun rememberNavController(
+    vararg navigators: Navigator<out NavDestination>,
+): NavHostController {
+    val context = LocalContext.current
+    return rememberSaveable(inputs = navigators, saver = NavControllerSaver(context)) {
+        createNavController(context)
+    }.apply {
+        for (navigator in navigators) {
+            navigatorProvider.addNavigator(navigator)
+        }
+    }
+}
+
+private fun createNavController(context: Context) =
+    NavHostController(context).apply {
+        navigatorProvider.addNavigator(ComposeNavGraphNavigator(navigatorProvider))
+        navigatorProvider.addNavigator(ComposeNavigator())
+        navigatorProvider.addNavigator(DialogNavigator())
+    }
+
+/**
+ * Saver to save and restore the NavController across config change and process death.
+ */
+private fun NavControllerSaver(
+    context: Context,
+): Saver<NavHostController, *> = Saver<NavHostController, Bundle>(
+    save = { it.saveState() },
+    restore = { createNavController(context).apply { restoreState(it) } },
+)

app/src/main/kotlin/androidx/navigation/ui/NavigationUI.kt

@@ -1,38 +0,0 @@
-package androidx.navigation.ui
-
-import android.annotation.SuppressLint
-import android.view.MenuItem
-import androidx.annotation.IdRes
-import androidx.navigation.ActivityNavigator
-import androidx.navigation.NavController
-import androidx.navigation.NavDestination
-import androidx.navigation.NavDestination.Companion.hierarchy
-import androidx.navigation.NavOptions
-
-@SuppressLint("PrivateResource")
-fun onNavDestinationSelected2(item: MenuItem, navController: NavController): Boolean {
-    val builder = NavOptions.Builder().setLaunchSingleTop(true)
-    if (navController.currentDestination!!.parent!!.findNode(item.itemId) is ActivityNavigator.Destination) {
-        builder.setEnterAnim(R.anim.nav_default_enter_anim)
-            .setExitAnim(R.anim.nav_default_exit_anim)
-            .setPopEnterAnim(R.anim.nav_default_pop_enter_anim)
-            .setPopExitAnim(R.anim.nav_default_pop_exit_anim)
-    } else {
-        builder.setEnterAnim(androidx.fragment.R.animator.fragment_open_enter)
-            .setExitAnim(androidx.fragment.R.animator.fragment_open_exit)
-            .setPopEnterAnim(androidx.fragment.R.animator.fragment_close_enter)
-            .setPopExitAnim(androidx.fragment.R.animator.fragment_close_exit)
-    }
-    val options = builder.build()
-    return try {
-        // TODO provide proper API instead of using Exceptions as Control-Flow.
-        navController.navigate(item.itemId, null, options)
-        // Return true only if the destination we've navigated to matches the MenuItem
-        navController.currentDestination?.matchDestination(item.itemId) == true
-    } catch (e: IllegalArgumentException) {
-        false
-    }
-}
-
-fun NavDestination.matchDestination(@IdRes destId: Int): Boolean =
-    hierarchy.any { it.id == destId }

app/src/main/kotlin/androidx/swiperefreshlayout/widget/ThemedSwipeRefreshLayout.kt

@@ -1,25 +0,0 @@
-package androidx.swiperefreshlayout.widget
-
-import android.annotation.SuppressLint
-import android.content.Context
-import android.graphics.drawable.ShapeDrawable
-import android.util.AttributeSet
-import androidx.core.graphics.ColorUtils
-import rikka.core.res.resolveColor
-
-@SuppressLint("PrivateResource")
-class ThemedSwipeRefreshLayout @JvmOverloads constructor(
-    context: Context,
-    attrs: AttributeSet? = null,
-) : SwipeRefreshLayout(context, attrs) {
-
-    init {
-        val surfaceColor =
-            context.theme.resolveColor(com.google.android.material.R.attr.colorSurface)
-        val overlayColor =
-            context.getColor(com.google.android.material.R.color.m3_popupmenu_overlay_color)
-        val backgroundColor = ColorUtils.compositeColors(overlayColor, surfaceColor)
-        (mCircleView.background as ShapeDrawable).paint.color = backgroundColor
-        setColorSchemeColors(context.theme.resolveColor(com.google.android.material.R.attr.colorAccent))
-    }
-}

app/src/main/kotlin/com/davemorrissey/labs/subscaleview/ImageSource.kt

@@ -1,111 +0,0 @@
-package com.davemorrissey.labs.subscaleview
-
-import android.graphics.Bitmap
-import android.graphics.Rect
-import com.davemorrissey.labs.subscaleview.provider.InputProvider
-
-/**
- * Helper class used to set the source and additional attributes from a variety of sources. Supports
- * use of a bitmap, asset, resource, external file or any other URI.
- *
- *
- * When you are using a preview image, you must set the dimensions of the full size image on the
- * ImageSource object for the full size image using the [.dimensions] method.
- */
-class ImageSource {
-    val bitmap: Bitmap?
-    val provider: InputProvider?
-
-    private var sWidth = 0
-    private var sHeight = 0
-
-    var sRegion = Rect(0, 0, 0, 0)
-        private set
-    var isCached = false
-        private set
-
-    private constructor(bitmap: Bitmap, cached: Boolean) {
-        this.bitmap = bitmap
-        provider = null
-        sWidth = bitmap.width
-        sHeight = bitmap.height
-        isCached = cached
-    }
-
-    private constructor(provider: InputProvider) {
-        bitmap = null
-        this.provider = provider
-    }
-
-    /**
-     * Use a region of the source image. Region must be set independently for the full size image and the preview if
-     * you are using one.
-     *
-     * @param sRegion the region of the source image to be displayed.
-     * @return this instance for chaining.
-     */
-    fun region(sRegion: Rect): ImageSource {
-        this.sRegion = sRegion
-        setInvariants()
-        return this
-    }
-
-    /**
-     * Declare the dimensions of the image. This is only required for a full size image, when you are specifying a URI
-     * and also a preview image. When displaying a bitmap object, or not using a preview, you do not need to declare
-     * the image dimensions. Note if the declared dimensions are found to be incorrect, the view will reset.
-     *
-     * @param sWidth  width of the source image.
-     * @param sHeight height of the source image.
-     * @return this instance for chaining.
-     */
-    fun dimensions(sWidth: Int, sHeight: Int): ImageSource {
-        if (bitmap == null) {
-            this.sWidth = sWidth
-            this.sHeight = sHeight
-        }
-        setInvariants()
-        return this
-    }
-
-    private fun setInvariants() {
-        if (!sRegion.isEmpty) {
-            sWidth = sRegion.width()
-            sHeight = sRegion.height()
-        }
-    }
-
-    companion object {
-        /**
-         * Create an instance from an input provider.
-         *
-         * @param provider input stream provider.
-         * @return an [ImageSource] instance.
-         */
-        fun provider(provider: InputProvider): ImageSource {
-            return ImageSource(provider)
-        }
-
-        /**
-         * Provide a loaded bitmap for display.
-         *
-         * @param bitmap bitmap to be displayed.
-         * @return an [ImageSource] instance.
-         */
-        fun bitmap(bitmap: Bitmap): ImageSource {
-            return ImageSource(bitmap, false)
-        }
-
-        /**
-         * Provide a loaded and cached bitmap for display. This bitmap will not be recycled when it is no
-         * longer needed. Use this method if you loaded the bitmap with an image loader such as Picasso
-         * or Volley.
-         *
-         * @param bitmap bitmap to be displayed.
-         * @return an [ImageSource] instance.
-         */
-        fun cachedBitmap(bitmap: Bitmap): ImageSource {
-            return ImageSource(bitmap, true)
-        }
-    }
-}

app/src/main/kotlin/com/davemorrissey/labs/subscaleview/ImageViewState.kt

@@ -1,15 +0,0 @@
-package com.davemorrissey.labs.subscaleview
-
-import android.graphics.PointF
-import java.io.Serializable
-
-/**
- * Wraps the scale, center and orientation of a displayed image for easy restoration on screen rotate.
- */
-class ImageViewState(val scale: Float, center: PointF) : Serializable {
-    private val centerX: Float = center.x
-    private val centerY: Float = center.y
-
-    val center: PointF
-        get() = PointF(centerX, centerY)
-}

app/src/main/kotlin/com/davemorrissey/labs/subscaleview/decoder/Decoder.kt

@@ -1,50 +0,0 @@
-package com.davemorrissey.labs.subscaleview.decoder
-
-import android.content.Context
-import android.graphics.Bitmap
-import android.graphics.Point
-import android.graphics.Rect
-import com.davemorrissey.labs.subscaleview.provider.InputProvider
-
-/**
- * Interface for image decoding classes.
- */
-interface Decoder {
-    /**
-     * Initialise the decoder. When possible, perform initial setup work once in this method. The
-     * dimensions of the image must be returned.
-     *
-     * @param context  Application context. A reference may be held, but must be cleared on recycle.
-     * @param provider Provider of the image.
-     * @return Dimensions of the image.
-     * @throws Exception if initialisation fails.
-     */
-    fun init(context: Context, provider: InputProvider): Point
-
-    /**
-     * Decode a region of the image with the given sample size. This method is called off the UI
-     * thread so it can safely load the image on the current thread. It is called from
-     * [android.os.AsyncTask]s running in an executor that may have multiple threads, so
-     * implementations must be thread safe. Adding `synchronized` to the method signature
-     * is the simplest way to achieve this, but bear in mind the [.recycle] method can be
-     * called concurrently.
-     *
-     * @param sRect      Source image rectangle to decode.
-     * @param sampleSize Sample size.
-     * @return The decoded region. It is safe to return null if decoding fails.
-     */
-    fun decodeRegion(sRect: Rect, sampleSize: Int): Bitmap
-
-    /**
-     * Status check. Should return false before initialisation and after recycle.
-     *
-     * @return true if the decoder is ready to be used.
-     */
-    val isReady: Boolean
-
-    /**
-     * This method will be called when the decoder is no longer required. It should clean up any
-     * resources still in use.
-     */
-    fun recycle()
-}

app/src/main/kotlin/com/davemorrissey/labs/subscaleview/decoder/ImageDecoder.kt

@@ -1,58 +0,0 @@
-package com.davemorrissey.labs.subscaleview.decoder
-
-import android.content.Context
-import android.graphics.Bitmap
-import android.graphics.Point
-import android.graphics.Rect
-import com.davemorrissey.labs.subscaleview.SubsamplingScaleImageView
-import com.davemorrissey.labs.subscaleview.provider.InputProvider
-
-class ImageDecoder(private val cropBorders: Boolean, bitmapConfig: Bitmap.Config? = null) : Decoder {
-    init {
-        val globalBitmapConfig = SubsamplingScaleImageView.preferredBitmapConfig
-    }
-
-    /**
-     * Initialise the decoder. When possible, perform initial setup work once in this method. The
-     * dimensions of the image must be returned.
-     *
-     * @param context  Application context. A reference may be held, but must be cleared on recycle.
-     * @param provider Provider of the image.
-     * @return Dimensions of the image.
-     * @throws Exception if initialisation fails.
-     */
-    override fun init(context: Context, provider: InputProvider): Point {
-        TODO()
-    }
-
-    /**
-     * Decode a region of the image with the given sample size. This method is called off the UI
-     * thread so it can safely load the image on the current thread. It is called from
-     * [android.os.AsyncTask]s running in an executor that may have multiple threads, so
-     * implementations must be thread safe. Adding `synchronized` to the method signature
-     * is the simplest way to achieve this, but bear in mind the [.recycle] method can be
-     * called concurrently.
-     *
-     * @param sRect      Source image rectangle to decode.
-     * @param sampleSize Sample size.
-     * @return The decoded region. It is safe to return null if decoding fails.
-     */
-    override fun decodeRegion(sRect: Rect, sampleSize: Int): Bitmap {
-        TODO()
-    }
-
-    /**
-     * Status check. Should return false before initialisation and after recycle.
-     *
-     * @return true if the decoder is ready to be used.
-     */
-    override val isReady: Boolean = TODO()
-
-    /**
-     * This method will be called when the decoder is no longer required. It should clean up any
-     * resources still in use.
-     */
-    override fun recycle() {
-        TODO()
-    }
-}

app/src/main/kotlin/com/davemorrissey/labs/subscaleview/provider/InputProvider.kt

@@ -1,3 +0,0 @@
-package com.davemorrissey.labs.subscaleview.provider
-
-interface InputProvider

app/src/main/kotlin/com/hippo/ehviewer/EhApplication.kt

@@ -20,6 +20,7 @@ import android.app.Application
 import android.content.ComponentCallbacks2
 import androidx.appcompat.app.AppCompatDelegate
 import androidx.collection.LruCache
+import androidx.compose.runtime.snapshots.Snapshot
 import androidx.lifecycle.ProcessLifecycleOwner
 import androidx.lifecycle.coroutineScope
 import coil.ImageLoaderFactory
@@ -49,9 +50,13 @@ import com.hippo.ehviewer.util.FileUtils
 import com.hippo.ehviewer.util.ReadableTime
 import com.hippo.ehviewer.util.isAtLeastP
 import com.hippo.ehviewer.util.isAtLeastQ
+import com.hippo.ehviewer.util.isAtLeastS
 import com.hippo.ehviewer.util.isCronetSupported
 import eu.kanade.tachiyomi.network.interceptor.CloudflareInterceptor
+import eu.kanade.tachiyomi.network.interceptor.UncaughtExceptionInterceptor
 import eu.kanade.tachiyomi.util.lang.launchIO
+import eu.kanade.tachiyomi.util.lang.withUIContext
+import eu.kanade.tachiyomi.util.system.logcat
 import kotlinx.coroutines.launch
 import moe.tarsin.kt.unreachable
 import okhttp3.AsyncDns
@@ -67,7 +72,12 @@ class EhApplication : Application(), ImageLoaderFactory {
     override fun onCreate() {
         // Initialize Settings on first access
         lifecycleScope.launchIO {
-            AppCompatDelegate.setDefaultNightMode(Settings.theme)
+            val mode = Settings.theme
+            if (!isAtLeastS) {
+                withUIContext {
+                    AppCompatDelegate.setDefaultNightMode(mode)
+                }
+            }
         }
         lifecycle.addObserver(lockObserver)
         val handler = Thread.getDefaultUncaughtExceptionHandler()
@@ -91,7 +101,7 @@ class EhApplication : Application(), ImageLoaderFactory {
                 migrateCookies()
             }
             launchIO {
-                EhTagDatabase.update()
+                EhTagDatabase
             }
             launchIO {
                 EhDB
@@ -109,6 +119,11 @@ class EhApplication : Application(), ImageLoaderFactory {
             }
         }
         cleanObsoleteCache(this)
+        if (BuildConfig.DEBUG) {
+            Snapshot.registerApplyObserver { anies, _ ->
+                logcat { anies.toString() }
+            }
+        }
     }
 
     private suspend fun cleanupDownload() {
@@ -170,6 +185,7 @@ class EhApplication : Application(), ImageLoaderFactory {
                     dns(AsyncDns.toDns(AndroidAsyncDns.IPv4, AndroidAsyncDns.IPv6))
                 }
                 chunker { alwaysReadResponseBody(false) }
+                addInterceptor(UncaughtExceptionInterceptor())
                 addInterceptor(CloudflareInterceptor(appCtx))
             }
         }

app/src/main/kotlin/com/hippo/ehviewer/EhDB.kt

@@ -130,7 +130,7 @@ object EhDB {
         deleteGalleryInfo(galleryInfo)
     }
 
-    suspend fun removeLocalFavorites(galleryInfoList: List<BaseGalleryInfo>) {
+    suspend fun removeLocalFavorites(galleryInfoList: Collection<BaseGalleryInfo>) {
         galleryInfoList.forEach {
             removeLocalFavorites(it)
         }
@@ -146,7 +146,7 @@ object EhDB {
         db.localFavoritesDao().upsert(LocalFavoriteInfo(galleryInfo.gid))
     }
 
-    suspend fun putLocalFavorites(galleryInfoList: List<BaseGalleryInfo>) {
+    suspend fun putLocalFavorites(galleryInfoList: Collection<BaseGalleryInfo>) {
         galleryInfoList.forEach {
             putLocalFavorites(it)
         }
@@ -195,7 +195,7 @@ object EhDB {
         db.historyDao().upsert(HistoryInfo(galleryInfo.gid))
     }
 
-    suspend fun modifyHistoryInfoFavslotNonRefresh(gid: Long, slot: Int) {
+    suspend fun updateFavoriteSlot(gid: Long, slot: Int) {
         val dao = db.galleryDao()
         dao.load(gid)?.let {
             it.favoriteSlot = slot
@@ -292,7 +292,7 @@ object EhDB {
             }
             runCatching {
                 val downloadInfoList = oldDB.downloadsDao().joinList().asReversed()
-                DownloadManager.addDownload(downloadInfoList, false)
+                DownloadManager.addDownload(downloadInfoList)
             }
             runCatching {
                 val historyInfoList = oldDB.historyDao().list()

app/src/main/kotlin/com/hippo/ehviewer/Settings.kt

@@ -2,18 +2,95 @@
 
 package com.hippo.ehviewer
 
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.DisallowComposableCalls
+import androidx.compose.runtime.MutableState
+import androidx.compose.runtime.Stable
+import androidx.compose.runtime.State
+import androidx.compose.runtime.collectAsState
+import androidx.compose.runtime.remember
+import com.hippo.ehviewer.client.CHROME_USER_AGENT
 import com.hippo.ehviewer.client.EhUtils
 import com.hippo.ehviewer.client.data.FavListUrlBuilder
+import java.util.Locale
+import kotlin.reflect.KProperty
 import kotlinx.coroutines.flow.Flow
 import kotlinx.coroutines.flow.MutableSharedFlow
 import kotlinx.coroutines.flow.asFlow
 import kotlinx.coroutines.flow.conflate
 import kotlinx.coroutines.flow.debounce
 import kotlinx.coroutines.flow.flatMapMerge
+import kotlinx.coroutines.flow.map
+import splitties.preferences.BoolPref
 import splitties.preferences.DataStorePreferences
+import splitties.preferences.FloatPref
+import splitties.preferences.IntPref
+import splitties.preferences.LongPref
+import splitties.preferences.PrefDelegate
+import splitties.preferences.StringOrNullPref
+import splitties.preferences.StringPref
+import splitties.preferences.StringSetOrNullPref
+import splitties.preferences.StringSetPref
 import splitties.preferences.edit
-import java.util.Locale
-import kotlin.reflect.KProperty
+
+@Suppress("IMPLICIT_CAST_TO_ANY", "UNCHECKED_CAST")
+fun <T> PrefDelegate<T>.getValue(): T = when (this) {
+    is BoolPref -> value
+    is IntPref -> value
+    is FloatPref -> value
+    is LongPref -> value
+    is StringPref -> value
+    is StringOrNullPref -> value
+    is StringSetPref -> value
+    is StringSetOrNullPref -> value
+} as T
+
+@Suppress("UNCHECKED_CAST")
+fun <T> PrefDelegate<T>.setValue(newValue: T) = when (this) {
+    is BoolPref -> value = newValue as Boolean
+    is IntPref -> value = newValue as Int
+    is FloatPref -> value = newValue as Float
+    is LongPref -> value = newValue as Long
+    is StringPref -> value = newValue as String
+    is StringOrNullPref -> value = newValue as? String
+    is StringSetPref -> value = newValue as Set<String?>
+    is StringSetOrNullPref -> value = newValue as? Set<String?>
+}
+
+@Stable
+@Composable
+inline fun <R, T> PrefDelegate<T>.collectAsState(crossinline transform: @DisallowComposableCalls (T) -> R): State<R> {
+    val flow = remember { valueFlow().map { transform(it) } }
+    val init = getValue()
+    return flow.collectAsState(transform(init))
+}
+
+@Stable
+@Composable
+fun <T> PrefDelegate<T>.collectAsState(): State<T> {
+    val flow = remember { valueFlow() }
+    val init = getValue()
+    return flow.collectAsState(init)
+}
+
+@Stable
+@Composable
+fun <T> PrefDelegate<T>.asMutableState(): MutableState<T> {
+    val flow = remember { valueFlow() }
+    val init = getValue()
+    val readOnly = flow.collectAsState(init)
+    return remember {
+        object : MutableState<T> {
+            override var value: T
+                get() = readOnly.value
+                set(value) {
+                    setValue(value)
+                }
+            override fun component1() = TODO()
+            override fun component2() = TODO()
+        }
+    }
+}
 
 object Settings : DataStorePreferences(null) {
     private const val KEY_SHOW_TAG_TRANSLATIONS = "show_tag_translations"
@@ -24,6 +101,14 @@ object Settings : DataStorePreferences(null) {
     var favCount by intArrayPref("fav_count", 10).emitTo(_favFlow)
     var favCloudCount by intPref("fav_cloud", 0).emitTo(_favFlow)
 
+    val listMode = intPref("list_mode_2", 0)
+    val detailSize = intPref("detail_size_2", 0)
+    val thumbColumns = intPref("thumb_columns", 3)
+    val listThumbSize = intPref("list_tile_size", 40)
+    val meteredNetworkWarning = boolPref("cellular_network_warning", false)
+    val predictiveNavAnim = boolPref("predictive_nav_anim", true)
+
+    val needSignInFlow: Flow<Boolean>
     var downloadScheme by stringOrNullPref("image_scheme", null)
     var downloadAuthority by stringOrNullPref("image_authority", null)
     var downloadPath by stringOrNullPref("image_path", null)
@@ -36,11 +121,10 @@ object Settings : DataStorePreferences(null) {
     var preloadImage by intPref("preload_image_2", 5)
     var downloadTimeout by intPref("download_timeout", 60)
     var theme by intPref("theme_2", -1).observed { updateWhenThemeChanges() }
-    var listMode by intPref("list_mode_2", 0)
-    var detailSize by intPref("detail_size_2", 0)
     var thumbResolution by intPref("thumb_resolution_2", 0)
     var readCacheSize by intPref("read_cache_size_2", 640)
     var launchPage by intPref("launch_page_2", 0)
+    var commentThreshold by intPref("comment_threshold", -101)
     var forceEhThumb by boolPref("force_eh_thumb", false)
     var showComments by boolPref("show_gallery_comments", true)
     var requestNews by boolPref("request_news", false).observed { updateWhenRequestNewsChanges() }
@@ -48,7 +132,6 @@ object Settings : DataStorePreferences(null) {
     var showJpnTitle by boolPref("show_jpn_title", false)
     var showGalleryPages by boolPref("show_gallery_pages", true)
     var showTagTranslations by boolPref(KEY_SHOW_TAG_TRANSLATIONS, false).observed { updateWhenTagTranslationChanges() }
-    var meteredNetworkWarning by boolPref("cellular_network_warning", false)
     var appLinkVerifyTip by boolPref("app_link_verify_tip", false)
     var enabledSecurity by boolPref("enable_secure", false)
     var useCIUpdateChannel by boolPref("ci_update_channel", false)
@@ -59,22 +142,22 @@ object Settings : DataStorePreferences(null) {
     var saveCrashLog by boolPref("save_crash_log", true)
     var security by boolPref("require_unlock", false)
     var removeImageFiles by boolPref("include_pic", true)
-    var needSignIn by boolPref("need_sign_in", true)
+    var needSignIn by boolPref("need_sign_in", true).also { needSignInFlow = it.valueFlow() }
     var blackDarkTheme by boolPref("black_dark_theme", false).observed { updateWhenAmoledModeChanges() }
     var harmonizeCategoryColor by boolPref("harmonize_category_color", true)
     var preloadThumbAggressively by boolPref("preload_thumb_aggressively", false)
     var downloadOriginImage by boolPref("download_origin_image", false)
     var enableCronet by boolPref("enable_cronet", true)
-    var thumbSizeDp by intPref("thumb_size_", 120)
     var recentFavCat by intPref("recent_fav_cat", FavListUrlBuilder.FAV_CAT_LOCAL)
     var defaultFavSlot by intPref("default_favorite_slot", -2)
     var securityDelay by intPref("require_unlock_delay", 0)
     var clipboardTextHashCode by intPref("clipboard_text_hash_code", 0)
-    var listThumbSize by intPref("list_tile_size", 40)
     var searchCategory by intPref("search_pref", EhUtils.ALL_CATEGORY)
     var requestNewsTimerHour by intPref("request_news_timer_hour", -1)
     var requestNewsTimerMinute by intPref("request_news_timer_minute", -1)
     var updateIntervalDays by intPref("update_interval_days", 0)
+    var recentToplist by stringPref("recent_toplist", "11")
+    var userAgent by stringPref("user_agent", CHROME_USER_AGENT)
     var recentDownloadLabel by stringOrNullPref("recent_download_label", null)
     var defaultDownloadLabel by stringOrNullPref("default_download_label", null)
     var displayName by stringOrNullPref("display_name", null)
@@ -82,6 +165,10 @@ object Settings : DataStorePreferences(null) {
     var language by stringPref("app_language", "system").observed { updateWhenLocaleChanges() }
     var lastDawnDay by longPref("last_dawn_day", 0)
     var lastUpdateDay by longPref("last_update_day", 0)
+    var favDialogTheta by floatPref("fav_select_dialog_delta", 0F)
+
+    // TODO: Remove this after swipe gestures are correctly handled in compose
+    var touchSlopFactor by intPref("touch_slop", 3)
 
     init {
         if ("CN" == Locale.getDefault().country) {

app/src/main/kotlin/com/hippo/ehviewer/SettingsCollector.kt

@@ -1,5 +1,6 @@
 package com.hippo.ehviewer
 
+import android.app.UiModeManager
 import androidx.appcompat.app.AppCompatDelegate
 import androidx.appcompat.app.AppCompatDelegate.MODE_NIGHT_AUTO_BATTERY
 import androidx.core.os.LocaleListCompat
@@ -8,6 +9,7 @@ import com.hippo.ehviewer.client.EhEngine
 import com.hippo.ehviewer.client.EhTagDatabase
 import com.hippo.ehviewer.dailycheck.updateDailyCheckWork
 import com.hippo.ehviewer.ui.keepNoMediaFileStatus
+import com.hippo.ehviewer.util.isAtLeastS
 import eu.kanade.tachiyomi.util.lang.launchIO
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Dispatchers
@@ -17,6 +19,7 @@ import kotlinx.coroutines.flow.MutableSharedFlow
 import kotlinx.coroutines.launch
 import splitties.init.appCtx
 import splitties.preferences.PrefDelegate
+import splitties.systemservices.uiModeManager
 
 private val collectScope = CoroutineScope(Dispatchers.Main + SupervisorJob())
 fun <T, R : PrefDelegate<T>> R.observed(func: (Unit) -> Unit) = apply { collectScope.launch { changesFlow().collect(func) } }
@@ -44,6 +47,14 @@ fun updateWhenKeepMediaStatusChanges() {
 fun updateWhenThemeChanges() {
     collectScope.launch {
         delay(100) // Avoid recompose being cancelled
+        if (isAtLeastS) {
+            val mode = when (Settings.theme) {
+                AppCompatDelegate.MODE_NIGHT_NO -> UiModeManager.MODE_NIGHT_NO
+                AppCompatDelegate.MODE_NIGHT_YES -> UiModeManager.MODE_NIGHT_YES
+                else -> UiModeManager.MODE_NIGHT_AUTO
+            }
+            uiModeManager.setApplicationNightMode(mode)
+        }
         AppCompatDelegate.setDefaultNightMode(Settings.theme)
     }
 }
@@ -51,7 +62,7 @@ fun updateWhenThemeChanges() {
 fun updateWhenAmoledModeChanges() {
     collectScope.launch {
         delay(100) // Avoid recompose being cancelled
-        AppCompatDelegate.setDefaultNightMode(MODE_NIGHT_AUTO_BATTERY)
+        AppCompatDelegate.setDefaultNightMode(MODE_NIGHT_AUTO_BATTERY) // Trigger onNightModeChanged
         AppCompatDelegate.setDefaultNightMode(Settings.theme)
     }
 }

app/src/main/kotlin/com/hippo/ehviewer/client/EhCookieStore.kt

@@ -16,6 +16,11 @@
 package com.hippo.ehviewer.client
 
 import android.webkit.CookieManager
+import androidx.compose.ui.util.fastAny
+import androidx.compose.ui.util.fastFilter
+import androidx.compose.ui.util.fastForEach
+import androidx.compose.ui.util.fastJoinToString
+import androidx.compose.ui.util.fastMapNotNull
 import okhttp3.Cookie
 import okhttp3.CookieJar
 import okhttp3.HttpUrl
@@ -24,13 +29,15 @@ import okhttp3.HttpUrl.Companion.toHttpUrl
 object EhCookieStore : CookieJar {
     private val manager = CookieManager.getInstance()
     fun signOut() = manager.removeAllCookies(null)
-    fun contains(url: HttpUrl, name: String) = get(url).any { it.name == name }
+    fun contains(url: HttpUrl, name: String) = get(url).fastAny { it.name == name }
 
     fun get(url: HttpUrl): List<Cookie> {
         val cookies = manager.getCookie(url.toString())
 
-        return if (cookies != null && cookies.isNotEmpty()) {
-            cookies.split(";").mapNotNull { Cookie.parse(url, it) }.filterNot { it.name == KEY_UTMP_NAME }
+        return if (!cookies.isNullOrEmpty()) {
+            cookies.split(";").fastMapNotNull { setCookie ->
+                Cookie.parse(url, setCookie)?.takeUnless { it.name == KEY_UTMP_NAME }
+            }
         } else {
             emptyList()
         }
@@ -57,9 +64,12 @@ object EhCookieStore : CookieJar {
     }.build()
 
     fun copyNecessaryCookies() {
-        val cookie = get(EhUrl.HOST_E.toHttpUrl()).filter { it.name == KEY_STAR || it.name == KEY_IPB_MEMBER_ID || it.name == KEY_IPB_PASS_HASH || it.name == KEY_IGNEOUS }
-        cookie.forEach { manager.setCookie(EhUrl.HOST_EX, it.toString()) }
-        flush()
+        val cookies = get(EhUrl.HOST_E.toHttpUrl())
+        cookies.fastForEach {
+            if (it.name == KEY_STAR || it.name == KEY_IPB_MEMBER_ID || it.name == KEY_IPB_PASS_HASH) {
+                manager.setCookie(EhUrl.HOST_EX, it.toString())
+            }
+        }
     }
 
     fun deleteCookie(url: HttpUrl, name: String) {
@@ -67,35 +77,29 @@ object EhCookieStore : CookieJar {
     }
 
     fun addCookie(cookie: Cookie) {
-        if (EhUrl.DOMAIN_E in cookie.domain) manager.setCookie(EhUrl.HOST_E, cookie.toString()) else manager.setCookie(EhUrl.DOMAIN_EX, cookie.toString())
+        manager.setCookie(if (EhUrl.DOMAIN_E == cookie.domain) EhUrl.HOST_E else EhUrl.HOST_EX, cookie.toString())
     }
 
     fun flush() = manager.flush()
 
     fun getCookieHeader(url: HttpUrl): String {
-        val cookies = loadForRequest(url)
-        val cookieHeader = StringBuilder()
-        var i = 0
-        val size = cookies.size
-        while (i < size) {
-            if (i > 0) {
-                cookieHeader.append("; ")
-            }
-            val cookie = cookies[i]
-            cookieHeader.append(cookie.name).append('=').append(cookie.value)
-            i++
+        return loadForRequest(url).fastJoinToString("; ") {
+            "${it.name}=${it.value}"
         }
-        return cookieHeader.toString()
     }
 
     // See https://github.com/Ehviewer-Overhauled/Ehviewer/issues/873
-    override fun saveFromResponse(url: HttpUrl, cookies: List<Cookie>) = cookies.filterNot { it.name == KEY_UTMP_NAME }.forEach { manager.setCookie(url.toString(), it.toString()) }.also { flush() }
+    override fun saveFromResponse(url: HttpUrl, cookies: List<Cookie>) = cookies.fastForEach {
+        if (it.name != KEY_UTMP_NAME) {
+            manager.setCookie(url.toString(), it.toString())
+        }
+    }
 
     override fun loadForRequest(url: HttpUrl): List<Cookie> {
         val checkTips = EhUrl.DOMAIN_E in url.host
         return get(url).run {
             if (checkTips) {
-                filterNot { it.name == KEY_CONTENT_WARNING }.toMutableList().apply { add(sTipsCookie) }
+                fastFilter { it.name != KEY_CONTENT_WARNING }.toMutableList().apply { add(sTipsCookie) }
             } else {
                 this
             }

app/src/main/kotlin/com/hippo/ehviewer/client/EhEngine.kt

@@ -21,6 +21,7 @@ import arrow.fx.coroutines.parZip
 import com.hippo.ehviewer.R
 import com.hippo.ehviewer.Settings
 import com.hippo.ehviewer.client.data.BaseGalleryInfo
+import com.hippo.ehviewer.client.data.FavListUrlBuilder
 import com.hippo.ehviewer.client.data.GalleryInfo
 import com.hippo.ehviewer.client.exception.EhException
 import com.hippo.ehviewer.client.exception.InsufficientFundsException
@@ -34,7 +35,6 @@ import com.hippo.ehviewer.client.parser.GalleryApiParser
 import com.hippo.ehviewer.client.parser.GalleryDetailParser
 import com.hippo.ehviewer.client.parser.GalleryListParser
 import com.hippo.ehviewer.client.parser.GalleryNotAvailableParser
-import com.hippo.ehviewer.client.parser.GalleryPageApiParser
 import com.hippo.ehviewer.client.parser.GalleryPageParser
 import com.hippo.ehviewer.client.parser.GalleryTokenApiParser
 import com.hippo.ehviewer.client.parser.HomeParser
@@ -48,14 +48,20 @@ import com.hippo.ehviewer.client.parser.VoteTagParser
 import com.hippo.ehviewer.cronet.awaitBodyFully
 import com.hippo.ehviewer.cronet.cronetRequest
 import com.hippo.ehviewer.cronet.execute
+import com.hippo.ehviewer.cronet.withRequestBody
 import com.hippo.ehviewer.dailycheck.showEventNotification
 import com.hippo.ehviewer.dailycheck.today
 import com.hippo.ehviewer.util.AppConfig
 import com.hippo.ehviewer.util.StatusCodeException
 import com.hippo.ehviewer.util.isCronetSupported
 import io.ktor.utils.io.pool.DirectByteBufferPool
+import io.ktor.utils.io.pool.useInstance
+import java.io.File
+import java.nio.ByteBuffer
+import kotlin.math.ceil
 import kotlinx.coroutines.CancellationException
 import kotlinx.coroutines.delay
+import kotlinx.serialization.SerializationException
 import kotlinx.serialization.json.add
 import kotlinx.serialization.json.addJsonArray
 import kotlinx.serialization.json.put
@@ -65,12 +71,10 @@ import okhttp3.MediaType
 import okhttp3.MediaType.Companion.toMediaType
 import okhttp3.MultipartBody
 import okhttp3.Request
+import okhttp3.RequestBody
 import okhttp3.RequestBody.Companion.asRequestBody
 import org.jsoup.Jsoup
 import splitties.init.appCtx
-import java.io.File
-import java.nio.ByteBuffer
-import kotlin.math.ceil
 
 private const val TAG = "EhEngine"
 private const val MAX_REQUEST_SIZE = 25
@@ -103,7 +107,7 @@ private fun rethrowExactly(code: Int, body: String, e: Throwable): Nothing {
         throw StatusCodeException(code)
     }
 
-    if (e is ParseException) {
+    if (e is ParseException || e is SerializationException) {
         if ("<" !in body) {
             throw EhException(body)
         } else {
@@ -116,33 +120,53 @@ private fun rethrowExactly(code: Int, body: String, e: Throwable): Nothing {
     throw e
 }
 
-val httpContentPool = DirectByteBufferPool(16, 16384)
+val httpContentPool = DirectByteBufferPool(8, 0x80000)
 
-suspend inline fun <T> fetchCompat(url: String, referer: String? = null, crossinline parser: (ByteBuffer) -> T): T {
+suspend fun <T> fetchCompat(
+    url: String,
+    referer: String? = null,
+    origin: String? = null,
+    reqBody: RequestBody? = null,
+    parser: suspend (ByteBuffer) -> T,
+): T {
+    Log.d(TAG, url)
+    fun commonChecks(body: ByteBuffer) {
+        // Check sad panda(without panda)
+        if (!body.hasRemaining()) {
+            if (EhUtils.isExHentai) {
+                throw EhException("Sad Panda\n(without panda)")
+            } else {
+                throw EhException("IP banned")
+            }
+        }
+    }
     return if (isCronetSupported) {
-        cronetRequest(url, referer).execute {
-            val buffer = httpContentPool.borrow()
-            try {
-                awaitBodyFully {
-                    buffer.put(it)
-                }
+        cronetRequest(url, referer, origin) {
+            reqBody?.let { withRequestBody(it) }
+        }.execute {
+            @Suppress("NewApi")
+            val code = it.httpStatusCode
+            if (code >= 400) {
+                throw StatusCodeException(code)
+            }
+            httpContentPool.useInstance { buffer ->
+                awaitBodyFully(buffer)
                 buffer.flip()
+                commonChecks(buffer)
                 parser(buffer)
-            } finally {
-                httpContentPool.recycle(buffer)
             }
         }
     } else {
-        ehRequest(url, referer).execute {
-            val buffer = httpContentPool.borrow()
-            try {
+        ehRequest(url, referer, origin) {
+            reqBody?.let { post(it) }
+        }.execute {
+            httpContentPool.useInstance { buffer ->
                 while (true) {
                     if (body.source().read(buffer) == -1) break
                 }
                 buffer.flip()
+                commonChecks(buffer)
                 parser(buffer)
-            } finally {
-                httpContentPool.recycle(buffer)
             }
         }
     }
@@ -175,7 +199,7 @@ object EhEngine {
 
     suspend fun getTorrentList(url: String, gid: Long, token: String?): TorrentResult {
         val referer = EhUrl.getGalleryDetailUrl(gid, token)
-        return fetchCompat(url, referer, TorrentParser::parse)
+        return fetchCompat(url, referer, parser = TorrentParser::parse)
     }
 
     suspend fun getArchiveList(url: String, gid: Long, token: String?) = ehRequest(url, EhUrl.getGalleryDetailUrl(gid, token))
@@ -219,8 +243,7 @@ object EhEngine {
         return ehRequest(url, referer).executeAndParsingWith(GalleryPageParser::parse)
     }
 
-    suspend fun getGalleryList(url: String) = ehRequest(url, EhUrl.referer)
-        .executeAndParsingWith(GalleryListParser::parse)
+    suspend fun getGalleryList(url: String) = fetchCompat(url, EhUrl.referer, parser = GalleryListParser::parse)
         .apply { fillGalleryList(galleryInfoList, url, true) }
         .takeUnless { it.galleryInfoList.isEmpty() } ?: GalleryListParser.emptyResult
 
@@ -236,8 +259,7 @@ object EhEngine {
         GalleryDetailParser.parsePreviewList(this) to GalleryDetailParser.parsePreviewPages(this)
     }
 
-    suspend fun getFavorites(url: String) = ehRequest(url, EhUrl.referer)
-        .executeAndParsingWith(FavoritesParser::parse)
+    suspend fun getFavorites(url: String) = fetchCompat(url, EhUrl.referer, parser = FavoritesParser::parse)
         .apply { fillGalleryList(galleryInfoList, url) }
 
     suspend fun signIn(username: String, password: String): String {
@@ -256,13 +278,13 @@ object EhEngine {
         }.executeAndParsingWith(SignInParser::parse)
     }
 
-    suspend fun commentGallery(url: String, comment: String, id: String?) = ehRequest(url, url, EhUrl.origin) {
+    suspend fun commentGallery(url: String, comment: String, id: Long = -1) = ehRequest(url, url, EhUrl.origin) {
         formBody {
-            if (id == null) {
+            if (id == -1L) {
                 add("commenttext_new", comment)
             } else {
                 add("commenttext_edit", comment)
-                add("edit_comment", id)
+                add("edit_comment", id.toString())
             }
         }
     }.executeAndParsingWith {
@@ -274,31 +296,21 @@ object EhEngine {
         GalleryDetailParser.parseComments(document)
     }
 
-    /**
-     * @param dstCat -1 for delete, 0 - 9 for cloud favorite, others throw Exception
-     * @param note   max 250 characters
-     */
-    suspend fun modifyFavorites(
-        gid: Long,
-        token: String?,
-        dstCat: Int = -1,
-        note: String = "",
-    ) {
+    suspend fun modifyFavorites(gid: Long, token: String?, dstCat: Int = -1, note: String = "") {
         val catStr: String = when (dstCat) {
             -1 -> "favdel"
             in 0..9 -> dstCat.toString()
             else -> throw EhException("Invalid dstCat: $dstCat")
         }
         val url = EhUrl.getAddFavorites(gid, token)
-        return ehRequest(url, url, EhUrl.origin) {
-            formBody {
-                add("favcat", catStr)
-                add("favnote", note)
-                // apply=Add+to+Favorites is not necessary, just use apply=Apply+Changes all the time
-                add("apply", "Apply Changes")
-                add("update", "1")
-            }
-        }.executeAndParsingWith { }
+        val body = formBody {
+            add("favcat", catStr)
+            add("favnote", note)
+            // apply=Add+to+Favorites is not necessary, just use apply=Apply+Changes all the time
+            add("apply", "Apply Changes")
+            add("update", "1")
+        }
+        fetchCompat(url, url, EhUrl.origin, body) { }
     }
 
     suspend fun downloadArchive(
@@ -351,18 +363,24 @@ object EhEngine {
         }
     }.executeAndParsingWith(HomeParser::parseResetLimits)
 
-    suspend fun modifyFavorites(url: String, gidArray: LongArray, dstCat: Int): FavoritesParser.Result {
+    suspend fun modifyFavorites(gidArray: LongArray, srcCat: Int, dstCat: Int): FavoritesParser.Result {
+        val url = ehUrl {
+            addPathSegments(EhUrl.FAV_PATH)
+            if (FavListUrlBuilder.isValidFavCat(srcCat)) {
+                addQueryParameter("favcat", srcCat.toString())
+            }
+        }.toString()
         val catStr: String = when (dstCat) {
             -1 -> "delete"
             in 0..9 -> "fav$dstCat"
             else -> throw EhException("Invalid dstCat: $dstCat")
         }
-        return ehRequest(url, url, EhUrl.origin) {
-            formBody {
-                add("ddact", catStr)
-                gidArray.forEach { add("modifygids[]", it.toString()) }
-            }
-        }.executeAndParsingWith(FavoritesParser::parse).apply { fillGalleryList(galleryInfoList, url) }
+        val body = formBody {
+            add("ddact", catStr)
+            gidArray.forEach { add("modifygids[]", it.toString()) }
+        }
+        return fetchCompat(url, url, EhUrl.origin, body, FavoritesParser::parse)
+            .apply { fillGalleryList(galleryInfoList, url) }
     }
 
     suspend fun getGalleryPageApi(
@@ -371,7 +389,7 @@ object EhEngine {
         pToken: String,
         showKey: String?,
         previousPToken: String?,
-    ): GalleryPageApiParser.Result {
+    ): GalleryPageParser.Result {
         val referer = if (index > 0 && previousPToken != null) EhUrl.getPageUrl(gid, index - 1, previousPToken) else null
         return ehRequest(EhUrl.apiUrl, referer, EhUrl.origin) {
             jsonBody {
@@ -381,7 +399,7 @@ object EhEngine {
                 put("imgkey", pToken)
                 put("showkey", showKey)
             }
-        }.executeAndParsingWith(GalleryPageApiParser::parse)
+        }.executeAndParsingWith { GalleryPageParser.parse(filterNot { it == '\\' }) }
     }
 
     suspend fun rateGallery(
@@ -401,22 +419,23 @@ object EhEngine {
         }
     }.executeAndParsingWith(String::parseAs)
 
-    suspend fun fillGalleryListByApi(galleryInfoList: List<GalleryInfo>, referer: String) = galleryInfoList.chunked(MAX_REQUEST_SIZE).parMap {
-        ehRequest(EhUrl.apiUrl, referer, EhUrl.origin) {
-            jsonBody {
-                put("method", "gdata")
-                array("gidlist") {
-                    it.forEach {
-                        addJsonArray {
-                            add(it.gid)
-                            add(it.token)
+    suspend fun fillGalleryListByApi(galleryInfoList: List<GalleryInfo>, referer: String) =
+        galleryInfoList.chunked(MAX_REQUEST_SIZE).parMap(concurrency = Settings.multiThreadDownload) {
+            ehRequest(EhUrl.apiUrl, referer, EhUrl.origin) {
+                jsonBody {
+                    put("method", "gdata")
+                    array("gidlist") {
+                        it.forEach {
+                            addJsonArray {
+                                add(it.gid)
+                                add(it.token)
+                            }
                         }
                     }
+                    put("namespace", 1)
                 }
-                put("namespace", 1)
-            }
-        }.executeAndParsingWith { GalleryApiParser.parse(this, it) }
-    }
+            }.executeAndParsingWith { GalleryApiParser.parse(this, it) }
+        }
 
     suspend fun voteComment(
         apiUid: Long,
@@ -472,15 +491,19 @@ object EhEngine {
     /**
      * @param image Must be jpeg
      */
-    suspend fun imageSearch(image: File, uss: Boolean, osc: Boolean) = ehRequest(EhUrl.imageSearchUrl, EhUrl.referer, EhUrl.origin) {
+    suspend fun imageSearch(image: File, uss: Boolean, osc: Boolean) = fetchCompat(
+        EhUrl.imageSearchUrl,
+        EhUrl.referer,
+        EhUrl.origin,
         multipartBody {
             setType(MultipartBody.FORM)
             addFormDataPart("sfile", "a.jpg", image.asRequestBody(MEDIA_TYPE_JPEG))
             if (uss) addFormDataPart("fs_similar", "on")
             if (osc) addFormDataPart("fs_covers", "on")
             addFormDataPart("f_sfile", "File Search")
-        }
-    }.executeAndParsingWith(GalleryListParser::parse).apply { fillGalleryList(galleryInfoList, EhUrl.imageSearchUrl) }
+        },
+        parser = GalleryListParser::parse,
+    ).apply { fillGalleryList(galleryInfoList, EhUrl.imageSearchUrl) }
 
     private suspend fun fillGalleryList(list: MutableList<BaseGalleryInfo>, url: String, filter: Boolean = false) {
         // Filter title and uploader
@@ -490,7 +513,7 @@ object EhEngine {
         var hasPages = false
         var hasRated = false
         for (gi in list) {
-            if (gi.simpleTags != null) {
+            if (!gi.simpleTags.isNullOrEmpty()) {
                 hasTags = true
             }
             if (gi.pages != 0) {
@@ -507,7 +530,7 @@ object EhEngine {
         if (filter) list.removeAllSuspend { EhFilter.filterUploader(it) || EhFilter.filterTag(it) || EhFilter.filterTagNamespace(it) }
     }
 
-    suspend fun modifyFavoritesRange(galleryList: List<Pair<Long, String>>, dstCat: Int) {
-        galleryList.forEach { (gid, token) -> modifyFavorites(gid, token, dstCat) }
+    suspend fun addFavorites(galleryList: List<Pair<Long, String>>, dstCat: Int) {
+        galleryList.parMap(concurrency = Settings.multiThreadDownload) { (gid, token) -> modifyFavorites(gid, token, dstCat) }
     }
 }

app/src/main/kotlin/com/hippo/ehviewer/client/EhFilter.kt

@@ -17,17 +17,17 @@ object EhFilter : CoroutineScope {
     val filters = async { EhDB.getAllFilter() as MutableList }
     private suspend inline fun anyActive(mode: FilterMode, predicate: (Filter) -> Boolean) = filters.await().any { it.mode == mode && it.enable && predicate(it) }
     private fun <R> Filter.launchOps(
-        callback: ((R) -> Unit)? = null,
+        callback: (suspend (R) -> Unit)? = null,
         ops: suspend Filter.() -> R,
     ) = launch { ops().let { callback?.invoke(it) } }
-    fun Filter.remember(callback: ((Boolean) -> Unit)? = null) = launchOps(callback) {
+    fun Filter.remember(callback: (suspend (Boolean) -> Unit)? = null) = launchOps(callback) {
         EhDB.addFilter(this).also { if (it) filters.await().add(this) }
     }
-    fun Filter.trigger(callback: ((Unit) -> Unit)? = null) = launchOps(callback) {
+    fun Filter.trigger(callback: (suspend (Unit) -> Unit)? = null) = launchOps(callback) {
         enable = !enable
         EhDB.updateFilter(this)
     }
-    fun Filter.forget(callback: ((Unit) -> Unit)? = null) = launchOps(callback) {
+    fun Filter.forget(callback: (suspend (Unit) -> Unit)? = null) = launchOps(callback) {
         EhDB.deleteFilter(this)
         filters.await().remove(this)
     }

app/src/main/kotlin/com/hippo/ehviewer/client/EhRequestBuilder.kt

@@ -19,6 +19,11 @@ import android.util.Log
 import com.hippo.ehviewer.EhApplication.Companion.baseOkHttpClient
 import com.hippo.ehviewer.EhApplication.Companion.noRedirectOkHttpClient
 import com.hippo.ehviewer.EhApplication.Companion.okHttpClient
+import com.hippo.ehviewer.Settings
+import kotlin.contracts.InvocationKind
+import kotlin.contracts.contract
+import kotlin.coroutines.resume
+import kotlin.coroutines.resumeWithException
 import kotlinx.coroutines.coroutineScope
 import kotlinx.coroutines.launch
 import kotlinx.coroutines.suspendCancellableCoroutine
@@ -38,22 +43,19 @@ import okhttp3.RequestBody.Companion.toRequestBody
 import okhttp3.Response
 import okhttp3.executeAsync
 import okio.BufferedSource
-import kotlin.contracts.InvocationKind
-import kotlin.contracts.contract
-import kotlin.coroutines.resume
-import kotlin.coroutines.resumeWithException
 
 inline fun ehRequest(url: String, referer: String? = null, origin: String? = null, builder: Request.Builder.() -> Unit = {}) = Request.Builder().url(url).apply {
-    addHeader("User-Agent", CHROME_USER_AGENT)
+    addHeader("User-Agent", Settings.userAgent)
     addHeader("Accept", CHROME_ACCEPT)
     addHeader("Accept-Language", CHROME_ACCEPT_LANGUAGE)
     referer?.let { addHeader("Referer", it) }
     origin?.let { addHeader("Origin", it) }
 }.apply(builder).build()
 
+inline fun formBody(builder: FormBody.Builder.() -> Unit) = FormBody.Builder().apply(builder).build()
 inline fun Request.Builder.formBody(builder: FormBody.Builder.() -> Unit) = post(FormBody.Builder().apply(builder).build())
 
-inline fun Request.Builder.multipartBody(builder: MultipartBody.Builder.() -> Unit) = post(MultipartBody.Builder().apply(builder).build())
+inline fun multipartBody(builder: MultipartBody.Builder.() -> Unit) = MultipartBody.Builder().apply(builder).build()
 
 val MEDIA_TYPE_JSON: MediaType = "application/json; charset=utf-8".toMediaType()
 

app/src/main/kotlin/com/hippo/ehviewer/client/EhTagDatabase.kt

@@ -24,6 +24,8 @@ import com.hippo.ehviewer.R
 import com.hippo.ehviewer.util.AppConfig
 import com.hippo.ehviewer.util.FileUtils
 import com.hippo.ehviewer.util.copyToFile
+import java.io.File
+import java.nio.charset.StandardCharsets
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.Job
@@ -42,8 +44,6 @@ import okio.blackholeSink
 import okio.buffer
 import okio.source
 import splitties.init.appCtx
-import java.io.File
-import java.nio.charset.StandardCharsets
 
 object EhTagDatabase : CoroutineScope {
     private const val NAMESPACE_PREFIX = "n"
@@ -55,7 +55,6 @@ object EhTagDatabase : CoroutineScope {
     )
     private lateinit var tagGroups: Map<String, Map<String, String>>
     private val updateLock = Mutex()
-    private val dbLock = Mutex()
     override val coroutineContext = Dispatchers.IO + Job()
 
     var initialized by mutableStateOf(false)
@@ -202,42 +201,42 @@ object EhTagDatabase : CoroutineScope {
         }
     }
 
-    private suspend fun issueUpdateInMemoryData() {
-        dbLock.withLock {
-            getMetadata(appCtx)?.let { urls ->
-                val dataName = urls[2]
-                val dir = AppConfig.getFilesDir("tag-translations")
-                val dataFile = File(dir, dataName).takeIf { it.exists() } ?: return
-                runSuspendCatching {
-                    tagGroups = dataFile.source().buffer().use(BufferedSource::parseAs)
-                    initialized = true
-                }.onFailure {
-                    it.printStackTrace()
-                }
-            }
-        }
+    private fun issueUpdateInMemoryData(file: File? = null) {
+        val dataFile = file ?: getMetadata(appCtx)?.let { metadata ->
+            val dataName = metadata[2]
+            val dir = AppConfig.getFilesDir("tag-translations")
+            File(dir, dataName).takeIf { it.exists() }
+        } ?: return
+        tagGroups = dataFile.source().buffer().use(BufferedSource::parseAs)
+        initialized = true
     }
 
     init {
         launch {
-            issueUpdateInMemoryData()
+            updateLock.withLock {
+                runSuspendCatching {
+                    issueUpdateInMemoryData()
+                }.onFailure {
+                    it.printStackTrace()
+                }
+                updateInternal()
+            }
         }
     }
 
     private suspend fun updateInternal() {
-        val urls = getMetadata(appCtx)
-        urls?.let {
-            val sha1Name = urls[0]
-            val sha1Url = urls[1]
-            val dataName = urls[2]
-            val dataUrl = urls[3]
+        getMetadata(appCtx)?.let { metadata ->
+            val sha1Name = metadata[0]
+            val sha1Url = metadata[1]
+            val dataName = metadata[2]
+            val dataUrl = metadata[3]
 
             val dir = AppConfig.getFilesDir("tag-translations")
             checkNotNull(dir)
             val sha1File = File(dir, sha1Name)
             val dataFile = File(dir, dataName)
 
-            runCatching {
+            runSuspendCatching {
                 // Check current sha1 and current data
                 val sha1 = getFileContent(sha1File)
                 if (!checkData(sha1, dataFile)) {
@@ -254,7 +253,7 @@ object EhTagDatabase : CoroutineScope {
                 if (tempSha1 == sha1) {
                     // The data is the same
                     FileUtils.delete(tempSha1File)
-                    return@runCatching
+                    return
                 }
 
                 // Save new data
@@ -265,7 +264,7 @@ object EhTagDatabase : CoroutineScope {
                 if (!checkData(tempSha1, tempDataFile)) {
                     FileUtils.delete(tempSha1File)
                     FileUtils.delete(tempDataFile)
-                    return@runCatching
+                    return
                 }
 
                 // Replace current sha1 and current data with new sha1 and new data
@@ -275,7 +274,7 @@ object EhTagDatabase : CoroutineScope {
                 tempDataFile.renameTo(dataFile)
 
                 // Read new EhTagDatabase
-                issueUpdateInMemoryData()
+                issueUpdateInMemoryData(dataFile)
             }.onFailure {
                 it.printStackTrace()
             }

app/src/main/kotlin/com/hippo/ehviewer/client/EhUrl.kt

@@ -64,10 +64,14 @@ object EhUrl {
         }
 
     val apiUrl: String
-        get() = when (Settings.gallerySite) {
-            SITE_E -> API_E
-            SITE_EX -> API_EX
-            else -> API_E
+        get() = if (Settings.forceEhThumb) {
+            API_E
+        } else {
+            when (Settings.gallerySite) {
+                SITE_E -> API_E
+                SITE_EX -> API_EX
+                else -> API_E
+            }
         }
 
     val referer: String

app/src/main/kotlin/com/hippo/ehviewer/client/EhUtils.kt

@@ -16,12 +16,13 @@
 package com.hippo.ehviewer.client
 
 import android.annotation.SuppressLint
-import android.content.Context
+import androidx.compose.material3.MaterialTheme
 import androidx.compose.runtime.Composable
+import androidx.compose.runtime.ReadOnlyComposable
+import androidx.compose.runtime.Stable
 import androidx.compose.ui.graphics.Color
-import androidx.compose.ui.platform.LocalContext
-import com.google.android.material.R
-import com.google.android.material.color.MaterialColors
+import androidx.compose.ui.graphics.toArgb
+import arrow.core.memoize
 import com.google.android.material.color.utilities.Hct
 import com.google.android.material.color.utilities.MathUtils
 import com.hippo.ehviewer.Settings
@@ -102,17 +103,19 @@ object EhUtils {
     }
 
     @SuppressLint("RestrictedApi")
-    fun harmonizeWithRole(context: Context, src: Int): Int {
-        val primary = MaterialColors.getColor(context, R.attr.colorPrimaryContainer, "EhUtils")
+    val harmonizeWithRole = { primaryContainer: Int, src: Int ->
         val fromHct = Hct.fromInt(src)
-        val toHct = Hct.fromInt(primary)
+        val toHct = Hct.fromInt(primaryContainer)
         val differenceDegrees = MathUtils.differenceDegrees(fromHct.hue, toHct.hue)
         val rotationDegrees = minOf(differenceDegrees * 0.5, 15.0)
         val outputHue = MathUtils.sanitizeDegreesDouble(fromHct.hue + rotationDegrees * MathUtils.rotationDirection(fromHct.hue, toHct.hue))
-        return Hct.from(outputHue, toHct.chroma, toHct.tone).toInt()
-    }
+        Hct.from(outputHue, toHct.chroma, toHct.tone).toInt()
+    }.memoize()
 
-    private fun getCategoryColor(context: Context, category: Int): Int {
+    @Stable
+    @ReadOnlyComposable
+    @Composable
+    fun getCategoryColor(category: Int): Color {
         val primary = when (category) {
             DOUJINSHI -> BG_COLOR_DOUJINSHI
             MANGA -> BG_COLOR_MANGA
@@ -126,16 +129,15 @@ object EhUtils {
             MISC -> BG_COLOR_MISC
             else -> BG_COLOR_UNKNOWN
         }.toInt()
-        return if (Settings.harmonizeCategoryColor) {
-            harmonizeWithRole(context, primary)
+        val color = if (Settings.harmonizeCategoryColor) {
+            val primaryContainer = MaterialTheme.colorScheme.primaryContainer.toArgb()
+            harmonizeWithRole(primaryContainer, primary)
         } else {
             primary
         }
+        return Color(color)
     }
 
-    @Composable
-    fun getCategoryColor(category: Int) = Color(getCategoryColor(LocalContext.current, category))
-
     val categoryTextColor = Color(0xffe6e0e9)
 
     fun signOut() {
@@ -146,10 +148,6 @@ object EhUtils {
         Settings.needSignIn = true
     }
 
-    fun needSignedIn(): Boolean {
-        return Settings.needSignIn
-    }
-
     fun getSuitableTitle(gi: GalleryInfo): String {
         return if (Settings.showJpnTitle) {
             if (gi.titleJpn.isNullOrEmpty()) gi.title else gi.titleJpn

app/src/main/kotlin/com/hippo/ehviewer/client/data/BaseGalleryInfo.kt

@@ -16,6 +16,7 @@
 package com.hippo.ehviewer.client.data
 
 import android.os.Parcelable
+import androidx.annotation.Keep
 import androidx.room.ColumnInfo
 import androidx.room.Entity
 import androidx.room.Ignore
@@ -25,7 +26,7 @@ import kotlinx.parcelize.Parcelize
 
 @Parcelize
 @Entity(tableName = "GALLERIES")
-data class BaseGalleryInfo(
+data class BaseGalleryInfo @Keep constructor(
     @PrimaryKey
     @ColumnInfo(name = "GID")
     override var gid: Long = 0,

app/src/main/kotlin/com/hippo/ehviewer/client/data/FavListUrlBuilder.kt

@@ -22,16 +22,16 @@ import com.hippo.ehviewer.client.ehUrl
 import kotlinx.parcelize.Parcelize
 
 @Parcelize
-class FavListUrlBuilder(
-    var mPrev: String? = null,
-    var mNext: String? = null,
+data class FavListUrlBuilder(
+    val favCat: Int = FAV_CAT_ALL,
+    val keyword: String? = null,
     var jumpTo: String? = null,
-    var keyword: String? = null,
-    var favCat: Int = FAV_CAT_ALL,
+    var prev: String? = null,
+    var next: String? = null,
 ) : Parcelable {
     fun setIndex(index: String?, isNext: Boolean) {
-        mNext = index.takeIf { isNext }
-        mPrev = index.takeUnless { isNext }
+        next = index.takeIf { isNext }
+        prev = index.takeUnless { isNext }
     }
 
     fun build() = ehUrl {
@@ -42,8 +42,8 @@ class FavListUrlBuilder(
             addQueryParameter("favcat", "all")
         }
         addQueryParameterIfNotBlank("f_search", keyword)
-        addQueryParameterIfNotBlank("prev", mPrev)
-        addQueryParameterIfNotBlank("next", mNext)
+        addQueryParameterIfNotBlank("prev", prev)
+        addQueryParameterIfNotBlank("next", next)
         addQueryParameterIfNotBlank("seek", jumpTo)
     }.toString()
 

app/src/main/kotlin/com/hippo/ehviewer/client/data/GalleryApiInfo.kt

@@ -1,38 +0,0 @@
-/*
- * Copyright 2016 Hippo Seven
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package com.hippo.ehviewer.client.data
-
-import android.os.Parcelable
-import kotlinx.parcelize.Parcelize
-
-@Parcelize
-class GalleryApiInfo(
-    var gid: Long = 0,
-    var token: String? = null,
-    var archiverKey: String? = null,
-    var title: String? = null,
-    var titleJpn: String? = null,
-    var category: Int = 0,
-    var thumb: String? = null,
-    var uploader: String? = null,
-    var posted: Long = 0,
-    var filecount: Int = 0,
-    var filesize: Long = 0,
-    var expunged: Boolean = false,
-    var rating: Float = 0f,
-    var torrentcount: Int = 0,
-    var tags: Array<String>?,
-) : Parcelable

app/src/main/kotlin/com/hippo/ehviewer/client/data/GalleryComment.kt

@@ -19,19 +19,18 @@ import android.os.Parcelable
 import kotlinx.parcelize.Parcelize
 
 @Parcelize
-class GalleryComment(
-    // 0 for uploader comment. can't vote
-    var id: Long = 0,
-    var score: Int = 0,
-    var editable: Boolean = false,
-    var voteUpAble: Boolean = false,
-    var voteUpEd: Boolean = false,
-    var voteDownAble: Boolean = false,
-    var voteDownEd: Boolean = false,
-    var uploader: Boolean = false,
-    var voteState: String? = null,
-    var time: Long = 0,
-    var user: String? = null,
-    var comment: String? = null,
-    var lastEdited: Long = 0,
+data class GalleryComment(
+    val id: Long,
+    val score: Int,
+    val editable: Boolean,
+    val voteUpAble: Boolean,
+    val voteUpEd: Boolean,
+    val voteDownAble: Boolean,
+    val voteDownEd: Boolean,
+    val uploader: Boolean,
+    val voteState: String?,
+    val time: Long,
+    val user: String?,
+    val comment: String,
+    val lastEdited: Long,
 ) : Parcelable

app/src/main/kotlin/com/hippo/ehviewer/client/data/GalleryCommentList.kt

@@ -19,7 +19,7 @@ import android.os.Parcelable
 import kotlinx.parcelize.Parcelize
 
 @Parcelize
-class GalleryCommentList(
-    var comments: Array<GalleryComment>,
+data class GalleryCommentList(
+    val comments: List<GalleryComment>,
     val hasMore: Boolean,
 ) : Parcelable

app/src/main/kotlin/com/hippo/ehviewer/client/data/GalleryDetail.kt

@@ -37,7 +37,7 @@ private val LANGUAGES = arrayOf(
 )
 
 @Parcelize
-class GalleryDetail(
+data class GalleryDetail(
     val galleryInfo: BaseGalleryInfo = BaseGalleryInfo(),
     var apiUid: Long = -1L,
     var apiKey: String? = null,
@@ -51,7 +51,7 @@ class GalleryDetail(
     var size: String? = null,
     var favoriteCount: Int = 0,
     var ratingCount: Int = 0,
-    val tags: Array<GalleryTagGroup>,
+    val tags: List<GalleryTagGroup>,
     var comments: GalleryCommentList,
     val previewPages: Int,
     val previewList: List<GalleryPreview>,

app/src/main/kotlin/com/hippo/ehviewer/client/data/GalleryInfo.kt

@@ -16,6 +16,7 @@
 package com.hippo.ehviewer.client.data
 
 import java.util.regex.Pattern
+import moe.tarsin.kt.unreachable
 
 interface GalleryInfo {
     var gid: Long
@@ -43,63 +44,24 @@ interface GalleryInfo {
             ?: title?.let { generateSLangFromTitle(it) }
     }
 
-    private fun generateSLangFromTags(simpleTags: List<String>): String? {
-        for (tag in simpleTags) {
-            for (i in S_LANGS.indices) {
-                if (S_LANG_TAGS[i] == tag) {
-                    return S_LANGS[i]
-                }
-            }
-        }
-        return null
-    }
-
-    private fun generateSLangFromTitle(title: String): String? {
-        for (i in S_LANGS.indices) {
-            if (S_LANG_PATTERNS[i].matcher(title).find()) {
-                return S_LANGS[i]
-            }
-        }
-        return null
-    }
-
     companion object {
-        /**
-         * ISO 639-1
-         */
-        const val S_LANG_JA = "JA"
-        const val S_LANG_EN = "EN"
-        const val S_LANG_ZH = "ZH"
-        const val S_LANG_NL = "NL"
-        const val S_LANG_FR = "FR"
-        const val S_LANG_DE = "DE"
-        const val S_LANG_HU = "HU"
-        const val S_LANG_IT = "IT"
-        const val S_LANG_KO = "KO"
-        const val S_LANG_PL = "PL"
-        const val S_LANG_PT = "PT"
-        const val S_LANG_RU = "RU"
-        const val S_LANG_ES = "ES"
-        const val S_LANG_TH = "TH"
-        const val S_LANG_VI = "VI"
-
         val S_LANGS = arrayOf(
-            S_LANG_EN,
-            S_LANG_ZH,
-            S_LANG_ES,
-            S_LANG_KO,
-            S_LANG_RU,
-            S_LANG_FR,
-            S_LANG_PT,
-            S_LANG_TH,
-            S_LANG_DE,
-            S_LANG_IT,
-            S_LANG_VI,
-            S_LANG_PL,
-            S_LANG_HU,
-            S_LANG_NL,
+            "EN",
+            "ZH",
+            "ES",
+            "KO",
+            "RU",
+            "FR",
+            "PT",
+            "TH",
+            "DE",
+            "IT",
+            "VI",
+            "PL",
+            "HU",
+            "NL",
         )
-        val S_LANG_PATTERNS = arrayOf(
+        private val S_LANG_PATTERNS = arrayOf(
             Pattern.compile(
                 "[(\\[]eng(?:lish)?[)\\]]|英訳",
                 Pattern.CASE_INSENSITIVE,
@@ -131,7 +93,7 @@ interface GalleryInfo {
             Pattern.compile("[(\\[]hun(?:garian)?[)\\]]|ハンガリー翻訳", Pattern.CASE_INSENSITIVE),
             Pattern.compile("[(\\[]dutch[)\\]]|オランダ翻訳", Pattern.CASE_INSENSITIVE),
         )
-        val S_LANG_TAGS = arrayOf(
+        private val S_LANG_TAGS = arrayOf(
             "language:english",
             "language:chinese",
             "language:spanish",
@@ -148,7 +110,39 @@ interface GalleryInfo {
             "language:dutch",
         )
 
+        private fun generateSLangFromTags(simpleTags: List<String>): String? {
+            for (tag in simpleTags) {
+                for (i in S_LANGS.indices) {
+                    if (S_LANG_TAGS[i] == tag) {
+                        return S_LANGS[i]
+                    }
+                }
+            }
+            return null
+        }
+
+        private fun generateSLangFromTitle(title: String): String? {
+            for (i in S_LANGS.indices) {
+                if (S_LANG_PATTERNS[i].matcher(title).find()) {
+                    return S_LANGS[i]
+                }
+            }
+            return null
+        }
+
         const val NOT_FAVORITED = -2
         const val LOCAL_FAVORITED = -1
     }
 }
+
+fun GalleryInfo.findBaseInfo(): BaseGalleryInfo {
+    return when (this) {
+        is BaseGalleryInfo -> this
+        is GalleryDetail -> galleryInfo
+        else -> unreachable()
+    }
+}
+
+fun GalleryInfo.asGalleryDetail(): GalleryDetail? {
+    return this as? GalleryDetail
+}

app/src/main/kotlin/com/hippo/ehviewer/client/data/GalleryTagGroup.kt

@@ -19,7 +19,7 @@ import android.os.Parcelable
 import kotlinx.parcelize.Parcelize
 
 @Parcelize
-class GalleryTagGroup(
+data class GalleryTagGroup(
     val groupName: String,
-    private val mTagList: MutableList<String> = mutableListOf(),
-) : Parcelable, MutableList<String> by mTagList
+    private val tagList: MutableList<String> = mutableListOf(),
+) : Parcelable, MutableList<String> by tagList

app/src/main/kotlin/com/hippo/ehviewer/client/data/ListUrlBuilder.kt

@@ -25,9 +25,9 @@ import com.hippo.ehviewer.dao.QuickSearch
 import com.hippo.ehviewer.ui.main.AdvanceTable
 import com.hippo.ehviewer.util.encodeUTF8
 import com.hippo.ehviewer.util.toIntOrDefault
-import kotlinx.parcelize.Parcelize
 import java.io.UnsupportedEncodingException
 import java.net.URLDecoder
+import kotlinx.parcelize.Parcelize
 
 @Parcelize
 data class ListUrlBuilder(
@@ -35,6 +35,7 @@ data class ListUrlBuilder(
     var mode: Int = MODE_NORMAL,
     private var mPrev: String? = null,
     var mNext: String? = null,
+    // Reset to null after initial loading
     var mJumpTo: String? = null,
     var category: Int = EhUtils.NONE,
     private var mKeyword: String? = null,
@@ -48,23 +49,6 @@ data class ListUrlBuilder(
     var isOnlySearchCovers: Boolean = false,
 ) : Parcelable {
 
-    fun reset() {
-        mode = MODE_NORMAL
-        mPrev = null
-        mNext = null
-        mJumpTo = null
-        this.category = EhUtils.NONE
-        mKeyword = null
-        advanceSearch = -1
-        minRating = -1
-        pageFrom = -1
-        pageTo = -1
-        imagePath = null
-        isUseSimilarityScan = false
-        isOnlySearchCovers = false
-        hash = null
-    }
-
     fun setIndex(index: String?, isNext: Boolean = true) {
         mNext = index?.takeIf { isNext }
         mPrev = index?.takeUnless { isNext }
@@ -80,8 +64,7 @@ data class ListUrlBuilder(
             mKeyword = keyword
         }
 
-    fun set(q: QuickSearch) {
-        reset()
+    constructor(q: QuickSearch) : this() {
         mode = q.mode
         this.category = q.category
         mKeyword = q.keyword
@@ -134,9 +117,8 @@ data class ListUrlBuilder(
     /**
      * @param query xxx=yyy&mmm=nnn
      */
-    fun setQuery(query: String?) {
+    constructor(query: String?) : this() {
         // TODO page
-        reset()
         if (query.isNullOrEmpty()) {
             return
         }
@@ -320,66 +302,65 @@ data class ListUrlBuilder(
                     // Pages
                     if (pageFrom != -1 || pageTo != -1) {
                         addQueryParameter("f_sp", "on")
-                        addQueryParameter(
+                        addQueryParameterIfNotBlank(
                             "f_spf",
-                            (if (pageFrom != -1) pageFrom.toString() else "").toString(),
+                            pageFrom.takeUnless { it == -1 }?.toString(),
                         )
-                        addQueryParameter(
+                        addQueryParameterIfNotBlank(
                             "f_spt",
-                            (if (pageTo != -1) pageTo.toString() else "").toString(),
+                            pageTo.takeUnless { it == -1 }?.toString(),
                         )
                     }
                 }
             }.toString()
 
             MODE_UPLOADER -> {
-                val sb = StringBuilder(EhUrl.host)
-                mKeyword?.let {
-                    sb.append("uploader/")
-                    sb.append(encodeUTF8(it))
+                buildString {
+                    append(EhUrl.host)
+                    mKeyword?.let {
+                        append("uploader/").append(encodeUTF8(it))
+                    }
+                    mPrev?.let {
+                        append("?prev=").append(it)
+                    }
+                    mNext?.let {
+                        append("?next=").append(it)
+                    }
+                    mJumpTo?.let {
+                        append("&seek=").append(it)
+                    }
                 }
-                mPrev?.let {
-                    sb.append("?prev=").append(it)
-                }
-                mNext?.let {
-                    sb.append("?next=").append(it)
-                }
-                mJumpTo?.let {
-                    sb.append("&seek=").append(it)
-                }
-                sb.toString()
             }
 
             MODE_TAG -> {
-                val sb = StringBuilder(EhUrl.host)
-                mKeyword?.let {
-                    sb.append("tag/")
-                    sb.append(encodeUTF8(it))
+                buildString {
+                    append(EhUrl.host)
+                    mKeyword?.let {
+                        append("tag/").append(encodeUTF8(it))
+                    }
+                    mPrev?.let {
+                        append("?prev=").append(it)
+                    }
+                    mNext?.let {
+                        append("?next=").append(it)
+                    }
+                    mJumpTo?.let {
+                        append("&seek=").append(it)
+                    }
                 }
-                mPrev?.let {
-                    sb.append("?prev=").append(it)
-                }
-                mNext?.let {
-                    sb.append("?next=").append(it)
-                }
-                mJumpTo?.let {
-                    sb.append("&seek=").append(it)
-                }
-                sb.toString()
             }
 
             MODE_WHATS_HOT -> EhUrl.popularUrl
             MODE_IMAGE_SEARCH -> EhUrl.imageSearchUrl
             MODE_TOPLIST -> {
-                val sb = StringBuilder(EhUrl.HOST_E)
-                sb.append("toplist.php?tl=")
-                mKeyword.orEmpty().let {
-                    sb.append(encodeUTF8(it))
+                buildString {
+                    append(EhUrl.HOST_E)
+                    append("toplist.php?tl=")
+                    append(mKeyword!!)
+                    mJumpTo?.let {
+                        append("&p=").append(it)
+                    }
                 }
-                mJumpTo?.let {
-                    sb.append("&p=").append(it)
-                }
-                sb.toString()
             }
 
             else -> throw IllegalStateException("Unexpected value: $mode")

app/src/main/kotlin/com/hippo/ehviewer/client/parser/FavoritesParser.kt

@@ -2,16 +2,16 @@ package com.hippo.ehviewer.client.parser
 
 import com.hippo.ehviewer.client.exception.NotLoggedInException
 import com.hippo.ehviewer.client.exception.ParseException
+import java.nio.ByteBuffer
+import moe.tarsin.coroutines.runSuspendCatching
 
 object FavoritesParser {
-    suspend fun parse(body: String): Result {
-        if (body.contains("This page requires you to log on.</p>")) {
-            throw NotLoggedInException()
-        }
+    suspend fun parse(body: ByteBuffer): Result {
         val catArray = arrayOfNulls<String>(10)
-        val countArray = runCatching {
-            parseFav(body, catArray).also { check(it.isNotEmpty()) }
+        val countArray = runSuspendCatching {
+            parseFav(body, favCat = catArray).also { check(it.isNotEmpty()) }
         }.getOrElse {
+            if (it is RuntimeException && it.message == "Not logged in!") throw NotLoggedInException()
             throw ParseException("Parse favorites error", it)
         }
         val result = GalleryListParser.parse(body)
@@ -29,4 +29,4 @@ object FavoritesParser {
     }
 }
 
-private external fun parseFav(body: String, favCat: Array<String?>): IntArray
+private external fun parseFav(body: ByteBuffer, limit: Int = body.limit(), favCat: Array<String?>): IntArray

app/src/main/kotlin/com/hippo/ehviewer/client/parser/GalleryApiParser.kt

@@ -33,7 +33,7 @@ object GalleryApiParser {
                 titleJpn = item.titleJpn.unescapeXml()
                 category = getCategory(item.category)
                 thumbKey = getThumbKey(handleThumbUrlResolution(item.thumb)!!)
-                uploader = item.uploader.unescapeXml()
+                uploader = item.uploader?.unescapeXml()
                 posted = ParserUtils.formatDate(item.posted * 1000)
                 rating = item.rating
                 simpleTags = item.tags
@@ -54,7 +54,8 @@ object GalleryApiParser {
         val titleJpn: String,
         val category: String,
         val thumb: String,
-        val uploader: String,
+        // Null in some old galleries
+        val uploader: String?,
         val posted: Long,
         @SerialName("filecount")
         val pages: Int,

app/src/main/kotlin/com/hippo/ehviewer/client/parser/GalleryDetailParser.kt

@@ -17,6 +17,7 @@ package com.hippo.ehviewer.client.parser
 
 import arrow.core.unzip
 import com.hippo.ehviewer.EhDB
+import com.hippo.ehviewer.Settings
 import com.hippo.ehviewer.client.EhFilter
 import com.hippo.ehviewer.client.EhUtils
 import com.hippo.ehviewer.client.EhUtils.getCategory
@@ -41,6 +42,10 @@ import com.hippo.ehviewer.util.toFloatOrDefault
 import com.hippo.ehviewer.util.toIntOrDefault
 import com.hippo.ehviewer.util.trimAnd
 import com.hippo.ehviewer.util.unescapeXml
+import java.time.Instant
+import java.time.ZoneOffset
+import java.time.format.DateTimeFormatter
+import java.util.Locale
 import org.jsoup.Jsoup
 import org.jsoup.nodes.Document
 import org.jsoup.nodes.Element
@@ -48,10 +53,6 @@ import org.jsoup.nodes.Node
 import org.jsoup.select.Elements
 import org.jsoup.select.NodeTraversor
 import org.jsoup.select.NodeVisitor
-import java.time.Instant
-import java.time.ZoneOffset
-import java.time.format.DateTimeFormatter
-import java.util.Locale
 
 object GalleryDetailParser {
     private val PATTERN_ERROR = Regex("<div class=\"d\">\n<p>([^<]+)</p>")
@@ -75,8 +76,7 @@ object GalleryDetailParser {
     private val PATTERN_NEWER_DATE = Regex(", added (.+?)<br />")
     private val PATTERN_FAVORITE_SLOT =
         Regex("/fav.png\\); background-position:0px -(\\d+)px")
-    private val EMPTY_GALLERY_TAG_GROUP_ARRAY = arrayOf<GalleryTagGroup>()
-    private val EMPTY_GALLERY_COMMENT_ARRAY = GalleryCommentList(arrayOf(), false)
+    private val EMPTY_GALLERY_COMMENT_LIST = GalleryCommentList(emptyList(), false)
     private val WEB_COMMENT_DATE_FORMAT = DateTimeFormatter
         .ofPattern("dd MMMM yyyy, HH:mm", Locale.US).withZone(ZoneOffset.UTC)
     private const val OFFENSIVE_STRING =
@@ -307,7 +307,7 @@ object GalleryDetailParser {
     /**
      * Parse tag groups with html parser
      */
-    private fun parseTagGroups(document: Document): Array<GalleryTagGroup> {
+    private fun parseTagGroups(document: Document): List<GalleryTagGroup> {
         return try {
             val taglist = document.getElementById("taglist")!!
             val tagGroups = taglist.child(0).child(0).children()
@@ -315,73 +315,69 @@ object GalleryDetailParser {
         } catch (e: Throwable) {
             ExceptionUtils.throwIfFatal(e)
             e.printStackTrace()
-            EMPTY_GALLERY_TAG_GROUP_ARRAY
+            emptyList()
         }
     }
 
-    private fun parseTagGroups(trs: Elements): Array<GalleryTagGroup> {
+    private fun parseTagGroups(trs: Elements): List<GalleryTagGroup> {
         return try {
-            trs.mapNotNull { parseTagGroup(it) }.toTypedArray()
+            trs.mapNotNull { parseTagGroup(it) }
         } catch (e: Throwable) {
             ExceptionUtils.throwIfFatal(e)
             e.printStackTrace()
-            EMPTY_GALLERY_TAG_GROUP_ARRAY
+            emptyList()
         }
     }
 
     private suspend fun parseComment(element: Element): GalleryComment? {
         return try {
-            val comment = GalleryComment()
             // Id
             val a = element.previousElementSibling()
             val name = a!!.attr("name")
-            comment.id = name trimAnd { substring(1).toInt().toLong() }
+            val id = name trimAnd { substring(1).toInt().toLong() }
             // Editable, vote up and vote down
             val c4 = element.getElementsByClass("c4").first()
+            var voteUpAble = false
+            var voteUpEd = false
+            var voteDownAble = false
+            var voteDownEd = false
+            var editable = false
+            var uploader = false
             if (null != c4) {
                 if ("Uploader Comment" == c4.text()) {
-                    comment.uploader = true
+                    uploader = true
                 }
                 for (e in c4.children()) {
                     when (e.text()) {
                         "Vote+" -> {
-                            comment.voteUpAble = true
-                            comment.voteUpEd = e.attr("style").trim().isNotEmpty()
+                            voteUpAble = true
+                            voteUpEd = e.attr("style").trim().isNotEmpty()
                         }
 
                         "Vote-" -> {
-                            comment.voteDownAble = true
-                            comment.voteDownEd = e.attr("style").trim().isNotEmpty()
+                            voteDownAble = true
+                            voteDownEd = e.attr("style").trim().isNotEmpty()
                         }
 
-                        "Edit" -> comment.editable = true
+                        "Edit" -> editable = true
                     }
                 }
             }
             // Vote state
             val c7 = element.getElementsByClass("c7").first()
-            if (null != c7) {
-                comment.voteState = c7.text().trim()
-            }
+            val voteState = c7?.text()?.trim()
             // Score
             val c5 = element.getElementsByClass("c5").first()
-            if (null != c5) {
-                val es = c5.children()
-                if (!es.isEmpty()) {
-                    comment.score = es[0].text().trim().toIntOrDefault(0)
-                }
-            }
+            val score = c5?.children()?.first()?.text()?.trim()?.toIntOrDefault(0) ?: 0
             // time
             val c3 = element.getElementsByClass("c3").first()
             val temp = c3!!.ownText()
-            val time = if (temp.endsWith(':')) {
-                // user
-                comment.user = c3.child(0).text()
-                temp.substring("Posted on ".length, temp.length - " by:".length)
+            val (timeStr, user) = if (temp.endsWith(':')) {
+                temp.substring("Posted on ".length, temp.length - " by:".length) to c3.child(0).text()
             } else {
-                temp.substring("Posted on ".length)
+                temp.substring("Posted on ".length) to null
             }
-            comment.time = Instant.from(WEB_COMMENT_DATE_FORMAT.parse(time)).toEpochMilli()
+            val time = Instant.from(WEB_COMMENT_DATE_FORMAT.parse(timeStr)).toEpochMilli()
             // comment
             val c6 = element.getElementsByClass("c6").first()
             // fix underline support
@@ -390,24 +386,21 @@ object GalleryDetailParser {
                     e.tagName("u")
                 }
             }
-            comment.comment = c6.html()
+            val commentHtml = c6.html()
             // filter comment
-            if (!comment.uploader) {
+            if (!uploader) {
                 val sEhFilter = EhFilter
-                if (sEhFilter.filterCommenter(comment.user!!) || sEhFilter.filterComment(comment.comment!!)) {
+                if (score <= Settings.commentThreshold || sEhFilter.filterCommenter(user.orEmpty()) || sEhFilter.filterComment(commentHtml)) {
                     return null
                 }
             }
             // last edited
             val c8 = element.getElementsByClass("c8").first()
-            if (c8 != null) {
-                val e = c8.children().first()
-                if (e != null) {
-                    comment.lastEdited =
-                        Instant.from(WEB_COMMENT_DATE_FORMAT.parse(e.text())).toEpochMilli()
-                }
-            }
-            comment
+            val lastEdited = c8?.children()?.first()?.run { Instant.from(WEB_COMMENT_DATE_FORMAT.parse(text())).toEpochMilli() } ?: 0
+            GalleryComment(
+                id, score, editable, voteUpAble, voteUpEd, voteDownAble,
+                voteDownEd, uploader, voteState, time, user, commentHtml, lastEdited,
+            )
         } catch (e: Throwable) {
             ExceptionUtils.throwIfFatal(e)
             e.printStackTrace()
@@ -437,11 +430,11 @@ object GalleryDetailParser {
                 },
                 chd!!,
             )
-            GalleryCommentList(list.toTypedArray(), hasMore)
+            GalleryCommentList(list, hasMore)
         } catch (e: Throwable) {
             ExceptionUtils.throwIfFatal(e)
             e.printStackTrace()
-            EMPTY_GALLERY_COMMENT_ARRAY
+            EMPTY_GALLERY_COMMENT_LIST
         }
     }
 

app/src/main/kotlin/com/hippo/ehviewer/client/parser/GalleryListParser.kt

@@ -1,5 +1,6 @@
 package com.hippo.ehviewer.client.parser
 
+import androidx.annotation.Keep
 import com.hippo.ehviewer.EhDB
 import com.hippo.ehviewer.R
 import com.hippo.ehviewer.client.data.BaseGalleryInfo
@@ -7,34 +8,41 @@ import com.hippo.ehviewer.client.data.GalleryInfo.Companion.LOCAL_FAVORITED
 import com.hippo.ehviewer.client.data.GalleryInfo.Companion.NOT_FAVORITED
 import com.hippo.ehviewer.client.exception.EhException
 import com.hippo.ehviewer.client.exception.ParseException
+import java.nio.ByteBuffer
+import moe.tarsin.coroutines.runSuspendCatching
 
 object GalleryListParser {
-    suspend fun parse(body: String) = runCatching {
-        parseGalleryInfoList(body).apply {
-            galleryInfoList.onEach {
-                if (it.favoriteSlot == NOT_FAVORITED && EhDB.containLocalFavorites(it.gid)) {
-                    it.favoriteSlot = LOCAL_FAVORITED
-                }
-                it.generateSLang()
+    suspend fun parse(body: ByteBuffer) = runSuspendCatching {
+        parseGalleryInfoList(body)
+    }.onFailure {
+        if (it is RuntimeException) {
+            if (it.message?.startsWith("Your IP address") == true) {
+                throw EhException(it.message)
+            }
+            if (it.message == "No watched tags!") {
+                throw EhException(R.string.gallery_list_empty_hit_subscription)
+            }
+            if (it.message == "No hits found!") {
+                throw EhException(R.string.gallery_list_empty_hit)
             }
         }
-    }.getOrElse {
-        if (body.contains("<p>You do not have any watched tags")) {
-            throw EhException(R.string.gallery_list_empty_hit_subscription)
-        }
-        if (body.contains("No hits found</p>")) {
-            throw EhException(R.string.gallery_list_empty_hit)
-        }
         throw ParseException("Can't parse gallery list", it)
+    }.getOrThrow().apply {
+        galleryInfoList.onEach {
+            if (it.favoriteSlot == NOT_FAVORITED && EhDB.containLocalFavorites(it.gid)) {
+                it.favoriteSlot = LOCAL_FAVORITED
+            }
+            it.generateSLang()
+        }
     }
 
     val emptyResult = GalleryListResult(null, null, arrayListOf())
 }
 
-class GalleryListResult(
+class GalleryListResult @Keep constructor(
     val prev: String?,
     val next: String?,
     val galleryInfoList: ArrayList<BaseGalleryInfo>,
 )
 
-private external fun parseGalleryInfoList(e: String): GalleryListResult
+private external fun parseGalleryInfoList(body: ByteBuffer, size: Int = body.limit()): GalleryListResult

app/src/main/kotlin/com/hippo/ehviewer/client/parser/GalleryListUrlParser.kt

@@ -42,9 +42,7 @@ object GalleryListUrlParser {
         }
         val path = url.path ?: return null
         return if (PATH_NORMAL == path || path.isEmpty()) {
-            val builder = ListUrlBuilder()
-            builder.setQuery(url.query)
-            builder
+            ListUrlBuilder(url.query)
         } else if (path.startsWith(PATH_UPLOADER)) {
             parseUploader(path)
         } else if (path.startsWith(PATH_TAG)) {
@@ -57,10 +55,7 @@ object GalleryListUrlParser {
             } catch (e: NumberFormatException) {
                 return null
             }
-            val builder = ListUrlBuilder()
-            builder.setQuery(url.query)
-            builder.category = category
-            builder
+            ListUrlBuilder(url.query).also { it.category = category }
         } else {
             null
         }

app/src/main/kotlin/com/hippo/ehviewer/client/parser/GalleryPageApiParser.kt

@@ -1,58 +0,0 @@
-/*
- * Copyright 2019 Hippo Seven
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package com.hippo.ehviewer.client.parser
-
-import com.hippo.ehviewer.client.exception.ParseException
-import com.hippo.ehviewer.client.parseAs
-import com.hippo.ehviewer.util.unescapeXml
-import kotlinx.serialization.SerialName
-import kotlinx.serialization.Serializable
-
-object GalleryPageApiParser {
-    private val PATTERN_IMAGE_URL = Regex("<img[^>]*src=\"([^\"]+)\" style")
-    private val PATTERN_SKIP_HATH_KEY = Regex("onclick=\"return nl\\('([^)]+)'\\)")
-    private val PATTERN_ORIGIN_IMAGE_URL = Regex("<a href=\"([^\"]+)fullimg.php([^\"]+)\">")
-
-    fun parse(body: String) = runCatching {
-        val res = body.parseAs<JsonResult>()
-        val imageUrl = PATTERN_IMAGE_URL.find(res.imageUrl)?.run {
-            groupValues[1].trim().unescapeXml()
-        }
-        val skipHathKey = PATTERN_SKIP_HATH_KEY.find(res.skipHathKey)?.run {
-            groupValues[1].trim().unescapeXml()
-        }
-        val originImageUrl = PATTERN_ORIGIN_IMAGE_URL.find(res.originImageUrl)?.run {
-            groupValues[1].unescapeXml() + "fullimg.php" + groupValues[2].unescapeXml()
-        }
-        check(!imageUrl.isNullOrEmpty())
-        Result(imageUrl, skipHathKey, originImageUrl)
-    }.getOrElse { e ->
-        runCatching { body.parseAs<Error>() }.onSuccess { throw ParseException(it.error) }
-        throw ParseException("Parse image url and skip hath key error", e)
-    }
-
-    @Serializable
-    private data class JsonResult(
-        @SerialName("i3")
-        val imageUrl: String,
-        @SerialName("i6")
-        val skipHathKey: String,
-        @SerialName("i7")
-        val originImageUrl: String,
-    )
-
-    class Result(val imageUrl: String, val skipHathKey: String?, val originImageUrl: String?)
-}

app/src/main/kotlin/com/hippo/ehviewer/client/parser/GalleryPageParser.kt

@@ -17,46 +17,32 @@ package com.hippo.ehviewer.client.parser
 
 import com.hippo.ehviewer.client.exception.ParseException
 import com.hippo.ehviewer.util.unescapeXml
-import java.util.regex.Pattern
 
 object GalleryPageParser {
-    private val PATTERN_IMAGE_URL = Pattern.compile("<img[^>]*src=\"([^\"]+)\" style")
-    private val PATTERN_SKIP_HATH_KEY = Pattern.compile("onclick=\"return nl\\('([^)]+)'\\)")
-    private val PATTERN_ORIGIN_IMAGE_URL =
-        Pattern.compile("<a href=\"([^\"]+)fullimg.php([^\"]+)\">")
+    private val PATTERN_IMAGE_URL = Regex("<img[^>]*src=\"([^\"]+)\" style")
+    private val PATTERN_SKIP_HATH_KEY = Regex("onclick=\"return nl\\('([\\d-]+)'\\)")
+    private val PATTERN_ORIGIN_IMAGE_URL = Regex("<a href=\"([^\"]+/fullimg/[^\"]+)\">")
 
     // TODO Not sure about the size of show keys
-    private val PATTERN_SHOW_KEY = Pattern.compile("var showkey=\"([0-9a-z]+)\";")
+    private val PATTERN_SHOW_KEY = Regex("var showkey=\"([0-9a-z]+)\";")
 
     fun parse(body: String): Result {
-        var m = PATTERN_IMAGE_URL.matcher(body)
-        val imageUrl = if (m.find()) {
-            m.group(1)!!.trim().unescapeXml()
-        } else {
-            null
+        val imageUrl = PATTERN_IMAGE_URL.find(body)?.run {
+            groupValues[1].unescapeXml()
         }
-        m = PATTERN_SKIP_HATH_KEY.matcher(body)
-        val skipHathKey = if (m.find()) {
-            m.group(1)!!.trim().unescapeXml()
-        } else {
-            null
+        val skipHathKey = PATTERN_SKIP_HATH_KEY.find(body)?.run {
+            groupValues[1]
         }
-        m = PATTERN_ORIGIN_IMAGE_URL.matcher(body)
-        val originImageUrl = if (m.find()) {
-            m.group(1)!!.unescapeXml() + "fullimg.php" + m.group(2)!!.unescapeXml()
-        } else {
-            null
+        val originImageUrl = PATTERN_ORIGIN_IMAGE_URL.find(body)?.run {
+            groupValues[1].unescapeXml()
         }
-        m = PATTERN_SHOW_KEY.matcher(body)
-        val showKey = if (m.find()) {
-            m.group(1)
-        } else {
-            null
+        val showKey = PATTERN_SHOW_KEY.find(body)?.run {
+            groupValues[1]
         }
-        return if (!imageUrl.isNullOrEmpty() && !showKey.isNullOrEmpty()) {
+        return if (!imageUrl.isNullOrEmpty()) {
             Result(imageUrl, skipHathKey, originImageUrl, showKey)
         } else {
-            throw ParseException("Parse image url and show error")
+            throw ParseException("Parse image url error")
         }
     }
 
@@ -64,6 +50,6 @@ object GalleryPageParser {
         val imageUrl: String,
         val skipHathKey: String?,
         val originImageUrl: String?,
-        val showKey: String,
+        val showKey: String?,
     )
 }

app/src/main/kotlin/com/hippo/ehviewer/client/parser/HomeParser.kt

@@ -1,10 +1,11 @@
 package com.hippo.ehviewer.client.parser
 
 import android.os.Parcelable
+import androidx.annotation.Keep
 import com.hippo.ehviewer.client.exception.InsufficientFundsException
 import com.hippo.ehviewer.client.exception.ParseException
-import kotlinx.parcelize.Parcelize
 import java.nio.ByteBuffer
+import kotlinx.parcelize.Parcelize
 
 object HomeParser {
     private val PATTERN_FUNDS = Regex("Available: ([\\d,]+) Credits.*Available: ([\\d,]+) kGP", RegexOption.DOT_MATCHES_ALL)
@@ -35,6 +36,6 @@ object HomeParser {
 }
 
 @Parcelize
-data class Limits(val current: Int, val maximum: Int, val resetCost: Int) : Parcelable
+data class Limits @Keep constructor(val current: Int, val maximum: Int, val resetCost: Int) : Parcelable
 
 private external fun parseLimit(body: ByteBuffer, limit: Int = body.limit()): Limits

app/src/main/kotlin/com/hippo/ehviewer/client/parser/TorrentParser.kt

@@ -1,5 +1,6 @@
 package com.hippo.ehviewer.client.parser
 
+import androidx.annotation.Keep
 import com.hippo.ehviewer.client.exception.ParseException
 import java.nio.ByteBuffer
 
@@ -9,7 +10,7 @@ object TorrentParser {
     }.getOrElse { throw ParseException("Can't parse torrent list", it) }
 }
 
-class Torrent(
+class Torrent @Keep constructor(
     val posted: String,
     val size: String,
     val seeds: Int,
@@ -21,6 +22,6 @@ class Torrent(
 
 fun Torrent.format() = "[$posted] $name [$size] [↑$seeds ↓$peers ✓$downloads]"
 
-typealias TorrentResult = ArrayList<Torrent>
+typealias TorrentResult = List<Torrent>
 
 private external fun parseTorrent(body: ByteBuffer, size: Int = body.limit()): ArrayList<Torrent>

app/src/main/kotlin/com/hippo/ehviewer/coil/MergeInterceptor.kt

@@ -3,6 +3,8 @@ package com.hippo.ehviewer.coil
 import coil.intercept.Interceptor
 import coil.request.ImageResult
 import com.hippo.ehviewer.Settings
+import kotlin.coroutines.resume
+import kotlin.coroutines.resumeWithException
 import kotlinx.coroutines.CancellableContinuation
 import kotlinx.coroutines.CancellationException
 import kotlinx.coroutines.CoroutineScope
@@ -11,8 +13,6 @@ import kotlinx.coroutines.SupervisorJob
 import kotlinx.coroutines.launch
 import kotlinx.coroutines.suspendCancellableCoroutine
 import kotlinx.coroutines.withContext
-import kotlin.coroutines.resume
-import kotlin.coroutines.resumeWithException
 
 object MergeInterceptor : Interceptor {
     private val pendingContinuationMap: HashMap<String, MutableList<CancellableContinuation<Unit>>> = hashMapOf()

app/src/main/kotlin/com/hippo/ehviewer/cronet/CronetExtensions.kt

@@ -0,0 +1,49 @@
+package com.hippo.ehviewer.cronet
+
+import com.hippo.ehviewer.EhApplication
+import io.ktor.utils.io.pool.DirectByteBufferPool
+import io.ktor.utils.io.pool.useInstance
+import java.nio.ByteBuffer
+import java.nio.channels.FileChannel
+import kotlin.coroutines.resumeWithException
+import kotlinx.coroutines.suspendCancellableCoroutine
+
+val pool = DirectByteBufferPool(32)
+
+val cronetHttpClientExecutor = EhApplication.baseOkHttpClient.dispatcher.executorService
+
+@Suppress("NewApi")
+suspend inline fun CronetRequest.awaitBodyFully(crossinline callback: (ByteBuffer) -> Unit) {
+    return pool.useInstance { buffer ->
+        suspendCancellableCoroutine { cont ->
+            consumer = {
+                check(it === buffer)
+                buffer.flip()
+                callback(it)
+                buffer.clear()
+                request.read(buffer)
+            }
+            onError = { readerCont.resumeWithException(it) }
+            readerCont = cont
+            request.read(buffer)
+        }
+    }
+}
+
+@Suppress("NewApi")
+suspend inline fun CronetRequest.awaitBodyFully(buffer: ByteBuffer) {
+    return suspendCancellableCoroutine { cont ->
+        consumer = {
+            request.read(buffer)
+            check(buffer.hasRemaining())
+        }
+        onError = { readerCont.resumeWithException(it) }
+        readerCont = cont
+        request.read(buffer)
+    }
+}
+
+suspend inline fun CronetRequest.copyToChannel(chan: FileChannel, crossinline listener: ((Int) -> Unit) = {}) = awaitBodyFully {
+    val bytes = chan.write(it)
+    listener(bytes)
+}

app/src/main/kotlin/com/hippo/ehviewer/dailycheck/DailyCheckWork.kt

@@ -24,12 +24,12 @@ import com.hippo.ehviewer.Settings
 import com.hippo.ehviewer.client.EhCookieStore
 import com.hippo.ehviewer.client.EhEngine
 import eu.kanade.tachiyomi.util.lang.withIOContext
-import splitties.init.appCtx
 import java.time.Duration
 import java.time.Instant
 import java.time.LocalDateTime
 import java.time.temporal.ChronoUnit
 import java.util.concurrent.TimeUnit
+import splitties.init.appCtx
 
 private val signedIn
     get() = EhCookieStore.hasSignedIn()

app/src/main/kotlin/com/hippo/ehviewer/download/DownloadManager.kt

@@ -18,6 +18,15 @@ package com.hippo.ehviewer.download
 import android.net.Uri
 import android.util.Log
 import android.util.SparseLongArray
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.DisallowComposableCalls
+import androidx.compose.runtime.Stable
+import androidx.compose.runtime.State
+import androidx.compose.runtime.collectAsState
+import androidx.compose.runtime.mutableStateListOf
+import androidx.compose.runtime.remember
+import androidx.compose.runtime.snapshots.SnapshotStateList
+import androidx.compose.runtime.toMutableStateList
 import com.google.android.material.math.MathUtils
 import com.hippo.ehviewer.EhDB
 import com.hippo.ehviewer.Settings
@@ -32,51 +41,48 @@ import com.hippo.ehviewer.spider.readCompatFromUniFile
 import com.hippo.ehviewer.spider.write
 import com.hippo.ehviewer.util.AppConfig
 import com.hippo.ehviewer.util.ConcurrentPool
-import com.hippo.ehviewer.util.LongList
 import com.hippo.ehviewer.util.SimpleHandler
 import com.hippo.ehviewer.util.assertNotMainThread
+import com.hippo.ehviewer.util.mapNotNull
 import com.hippo.ehviewer.util.runAssertingNotMainThread
 import com.hippo.unifile.UniFile
 import eu.kanade.tachiyomi.util.lang.launchIO
-import eu.kanade.tachiyomi.util.lang.withUIContext
-import kotlinx.coroutines.CoroutineScope
-import kotlinx.coroutines.Dispatchers
-import kotlinx.coroutines.channels.awaitClose
+import eu.kanade.tachiyomi.util.lang.withIOContext
 import kotlinx.coroutines.coroutineScope
-import kotlinx.coroutines.flow.SharingStarted
-import kotlinx.coroutines.flow.callbackFlow
-import kotlinx.coroutines.flow.filter
-import kotlinx.coroutines.flow.shareIn
+import kotlinx.coroutines.flow.MutableSharedFlow
+import kotlinx.coroutines.flow.asSharedFlow
+import kotlinx.coroutines.flow.transform
 import kotlinx.coroutines.launch
 import splitties.init.appCtx
 import splitties.preferences.edit
-import java.util.LinkedList
 
 object DownloadManager : OnSpiderListener {
     // All download info list
-    val allInfoList: LinkedList<DownloadInfo> = runAssertingNotMainThread { LinkedList(EhDB.getAllDownloadInfo()) }
+    val allInfoList = runAssertingNotMainThread { EhDB.getAllDownloadInfo() }.toMutableStateList()
 
     // All download info map
     private val mAllInfoMap = allInfoList.associateBy { it.gid } as MutableMap<Long, DownloadInfo>
 
     // label and info list map, without default label info list
-    private val map: MutableMap<String?, LinkedList<DownloadInfo>>
+    private val map: MutableMap<String?, SnapshotStateList<DownloadInfo>>
 
     // All labels without default label
-    val labelList = runAssertingNotMainThread { EhDB.getAllDownloadLabelList() } as MutableList<DownloadLabel>
+    val labelList = runAssertingNotMainThread { EhDB.getAllDownloadLabelList() }.toMutableStateList()
 
     // Store download info with default label
-    val defaultInfoList: LinkedList<DownloadInfo>
+    private val defaultInfoList: SnapshotStateList<DownloadInfo>
 
     // Store download info wait to start
-    private val mWaitList = LinkedList<DownloadInfo>()
+    private val mWaitList = ArrayDeque<DownloadInfo>()
     private val mSpeedReminder = SpeedReminder()
-    private var mDownloadInfoListener: DownloadInfoListener? = null
     private val mNotifyTaskPool = ConcurrentPool<NotifyTask?>(5)
     private var mDownloadListener: DownloadListener? = null
     private var mCurrentTask: DownloadInfo? = null
     private var mCurrentSpider: SpiderQueen? = null
 
+    private val mutableNotifyFlow = MutableSharedFlow<DownloadInfo>(extraBufferCapacity = 1)
+    val notifyFlow = mutableNotifyFlow.asSharedFlow()
+
     init {
         assertNotMainThread()
         map = runAssertingNotMainThread {
@@ -87,16 +93,16 @@ object DownloadManager : OnSpiderListener {
                         labelList.add(EhDB.addDownloadLabel(DownloadLabel(label, labelList.size)))
                     }
                 }
-                it.key to LinkedList(it.value)
+                it.key to it.value.toMutableStateList()
             }
-        } as MutableMap<String?, LinkedList<DownloadInfo>>
-        defaultInfoList = map.remove(null) ?: LinkedList()
+        } as MutableMap<String?, SnapshotStateList<DownloadInfo>>
+        defaultInfoList = map.remove(null) ?: mutableStateListOf()
         labelList.forEach { (label) ->
-            map[label] ?: LinkedList<DownloadInfo>().also { map[label] = it }
+            map[label] ?: mutableStateListOf<DownloadInfo>().also { map[label] = it }
         }
     }
 
-    private fun getInfoListForLabel(label: String?) = if (label == null) {
+    fun getInfoListForLabel(label: String?) = if (label == null) {
         defaultInfoList
     } else {
         map[label]
@@ -116,8 +122,6 @@ object DownloadManager : OnSpiderListener {
 
     fun containDownloadInfo(gid: Long) = mAllInfoMap.containsKey(gid)
 
-    fun getLabelDownloadInfoList(label: String?) = map[label]
-
     fun getDownloadInfo(gid: Long) = mAllInfoMap[gid]
 
     fun getDownloadState(gid: Long): Int {
@@ -158,7 +162,7 @@ object DownloadManager : OnSpiderListener {
                 mDownloadListener!!.onStart(info)
             }
             // Notify state update
-            mDownloadInfoListener?.onUpdate(info)
+            mutableNotifyFlow.tryEmit(info)
         }
     }
 
@@ -179,7 +183,7 @@ object DownloadManager : OnSpiderListener {
                 // Update in DB
                 EhDB.putDownloadInfo(info)
                 // Notify state update
-                mDownloadInfoListener?.onUpdate(info)
+                mutableNotifyFlow.tryEmit(info)
                 // Make sure download is running
                 ensureDownload()
             }
@@ -196,10 +200,10 @@ object DownloadManager : OnSpiderListener {
                 Log.e(TAG, "Can't find download info list with label: $label")
                 return
             }
-            list.addFirst(info)
+            list.add(0, info)
 
             // Add to all download list and map
-            allInfoList.addFirst(info)
+            allInfoList.add(0, info)
             mAllInfoMap[galleryInfo.gid] = info
 
             // Add to wait list
@@ -209,7 +213,7 @@ object DownloadManager : OnSpiderListener {
             EhDB.putDownloadInfo(info)
 
             // Notify
-            mDownloadInfoListener?.onUpdate(info)
+            mutableNotifyFlow.tryEmit(info)
             // Make sure download is running
             ensureDownload()
 
@@ -218,90 +222,71 @@ object DownloadManager : OnSpiderListener {
         }
     }
 
-    suspend fun startRangeDownload(gidList: LongList) {
-        var update = false
-        for (i in 0 until gidList.size) {
-            val gid = gidList[i]
-            val info = mAllInfoMap[gid]
-            if (null == info) {
-                Log.d(TAG, "Can't get download info with gid: $gid")
-                continue
+    suspend fun startRangeDownload(gidList: LongArray) {
+        val updateList = gidList.mapNotNull { mAllInfoMap[it] }
+            .filter {
+                when (it.state) {
+                    DownloadInfo.STATE_NONE, DownloadInfo.STATE_FAILED, DownloadInfo.STATE_FINISH -> true
+                    else -> false
+                }
             }
-            if (info.state == DownloadInfo.STATE_NONE || info.state == DownloadInfo.STATE_FAILED || info.state == DownloadInfo.STATE_FINISH) {
-                update = true
-                // Set state DownloadInfo.STATE_WAIT
-                info.state = DownloadInfo.STATE_WAIT
-                // Add to wait list
-                mWaitList.add(info)
-                // Update in DB
-                EhDB.putDownloadInfo(info)
+        if (updateList.isNotEmpty()) {
+            updateList.onEach {
+                it.state = DownloadInfo.STATE_WAIT
+                EhDB.putDownloadInfo(it)
+                mutableNotifyFlow.tryEmit(it)
             }
-        }
-        if (update) {
-            // Notify Listener
-            mDownloadInfoListener?.onUpdateAll()
-            // Ensure download
+            mWaitList.addAll(updateList)
             ensureDownload()
         }
     }
 
-    private val callbackFlowScope = CoroutineScope(Dispatchers.IO)
+    @Stable
+    @Composable
+    fun collectDownloadState(gid: Long): State<Int> = remember {
+        notifyFlow.transform { if (it.gid == gid) emit(getDownloadState(gid)) }
+    }.collectAsState(getDownloadState(gid))
 
-    private val _stateFlow = callbackFlow {
-        val listener = object : DownloadInfoListener {
-            override fun onUpdate(info: DownloadInfo) {
-                trySend(info.gid)
-            }
+    @Stable
+    @Composable
+    fun collectContainDownloadInfo(gid: Long): State<Boolean> = remember {
+        notifyFlow.transform { if (it.gid == gid) emit(containDownloadInfo(gid)) }
+    }.collectAsState(containDownloadInfo(gid))
 
-            override fun onUpdateAll() {
-                trySend(0)
-            }
-        }
-        mDownloadInfoListener = listener
-        awaitClose {
-            mDownloadInfoListener = null
-        }
-    }.shareIn(callbackFlowScope, SharingStarted.Eagerly)
-
-    fun stateFlow(gid: Long) = _stateFlow.filter { it == gid }
-
-    fun stateFlow() = _stateFlow
+    @Stable
+    @Composable
+    inline fun <T> updatedDownloadInfo(info: DownloadInfo, crossinline transform: @DisallowComposableCalls DownloadInfo.() -> T): T = remember {
+        notifyFlow.transform { if (it.gid == info.gid) emit(transform(it)) }
+    }.collectAsState(transform(info)).value
 
     suspend fun startAllDownload() {
-        var update = false
-        // Start all STATE_NONE and STATE_FAILED item
-        for (info in allInfoList) {
-            if (info.state == DownloadInfo.STATE_NONE || info.state == DownloadInfo.STATE_FAILED) {
-                update = true
-                // Set state DownloadInfo.STATE_WAIT
-                info.state = DownloadInfo.STATE_WAIT
-                // Add to wait list
-                mWaitList.add(info)
-                // Update in DB
-                EhDB.putDownloadInfo(info)
+        val updateList = allInfoList.filter {
+            when (it.state) {
+                DownloadInfo.STATE_NONE, DownloadInfo.STATE_FAILED -> true
+                else -> false
             }
         }
-        if (update) {
-            // Notify Listener
-            mDownloadInfoListener?.onUpdateAll()
-            // Ensure download
+        if (updateList.isNotEmpty()) {
+            updateList.onEach {
+                it.state = DownloadInfo.STATE_WAIT
+                EhDB.putDownloadInfo(it)
+                mutableNotifyFlow.tryEmit(it)
+            }
+            mWaitList.addAll(updateList)
             ensureDownload()
         }
     }
 
-    suspend fun addDownload(downloadInfoList: List<DownloadInfo>, notify: Boolean = true) {
+    suspend fun addDownload(downloadInfoList: List<DownloadInfo>) {
         downloadInfoList.filterNot { containDownloadInfo(it.gid) }.forEach { info ->
             // Ensure download state
-            if (DownloadInfo.STATE_WAIT == info.state ||
-                DownloadInfo.STATE_DOWNLOAD == info.state
-            ) {
+            if (DownloadInfo.STATE_WAIT == info.state || DownloadInfo.STATE_DOWNLOAD == info.state) {
                 info.state = DownloadInfo.STATE_NONE
             }
             info.position = allInfoList.size
 
             // Add to label download list
-            val list = getInfoListForLabel(info.label)
-                ?: addLabel(info.label).let { getInfoListForLabel(info.label)!! }
+            val list = getInfoListForLabel(info.label) ?: addLabel(info.label).let { getInfoListForLabel(info.label)!! }
             list.add(info)
             // Sort
             list.sortByPositionDescending()
@@ -316,17 +301,12 @@ object DownloadManager : OnSpiderListener {
 
         // Sort all download list
         allInfoList.sortByPositionDescending()
-
-        // Notify
-        if (notify) {
-            mDownloadInfoListener?.onUpdateAll()
-        }
     }
 
     suspend fun addDownloadLabel(downloadLabelList: List<DownloadLabel>) {
         val offset = downloadLabelList.size
         downloadLabelList.filterNot { containLabel(it.label) }.forEachIndexed { index, label ->
-            map[label.label] = LinkedList()
+            map[label.label] = mutableStateListOf()
             label.position = index + offset
             labelList.add(EhDB.addDownloadLabel(label))
         }
@@ -339,26 +319,24 @@ object DownloadManager : OnSpiderListener {
 
         // Add to default label download list
         val list = defaultInfoList
-        list.addFirst(info)
+        list.add(0, info)
 
         // Add to all download list and map
-        allInfoList.addFirst(info)
+        allInfoList.add(0, info)
         mAllInfoMap[galleryInfo.gid] = info
 
         // Save to
         EhDB.putDownloadInfo(info)
 
         // Notify
-        withUIContext {
-            mDownloadInfoListener?.onUpdate(info)
-        }
+        mutableNotifyFlow.tryEmit(info)
     }
 
     suspend fun stopDownload(gid: Long) {
         val info = stopDownloadInternal(gid)
         if (info != null) {
             // Update listener
-            mDownloadInfoListener?.onUpdate(info)
+            mutableNotifyFlow.tryEmit(info)
             // Ensure download
             ensureDownload()
         }
@@ -368,17 +346,19 @@ object DownloadManager : OnSpiderListener {
         val info = stopCurrentDownloadInternal()
         if (info != null) {
             // Update listener
-            mDownloadInfoListener?.onUpdate(info)
+            mutableNotifyFlow.tryEmit(info)
             // Ensure download
             ensureDownload()
         }
     }
 
-    suspend fun stopRangeDownload(gidList: LongList) {
+    suspend fun stopRangeDownload(gidList: LongArray) {
         stopRangeDownloadInternal(gidList)
 
         // Update listener
-        mDownloadInfoListener?.onUpdateAll()
+        gidList.mapNotNull { mAllInfoMap[it] }.forEach {
+            mutableNotifyFlow.tryEmit(it)
+        }
 
         // Ensure download
         ensureDownload()
@@ -390,14 +370,14 @@ object DownloadManager : OnSpiderListener {
             info.state = DownloadInfo.STATE_NONE
             // Update in DB
             EhDB.putDownloadInfo(info)
+
+            // Notify
+            mutableNotifyFlow.tryEmit(info)
         }
         mWaitList.clear()
 
         // Stop current
         stopCurrentDownloadInternal()
-
-        // Notify mDownloadInfoListener
-        mDownloadInfoListener?.onUpdateAll()
     }
 
     suspend fun deleteDownload(gid: Long, deleteFiles: Boolean = false) {
@@ -418,7 +398,7 @@ object DownloadManager : OnSpiderListener {
                 if (index >= 0) {
                     list.remove(info)
                     // Update listener
-                    mDownloadInfoListener?.onUpdate(info)
+                    mutableNotifyFlow.tryEmit(info)
                 }
             }
 
@@ -432,7 +412,7 @@ object DownloadManager : OnSpiderListener {
         }
     }
 
-    suspend fun deleteRangeDownload(gidList: LongList) {
+    suspend fun deleteRangeDownload(gidList: LongArray) {
         stopRangeDownloadInternal(gidList)
         val list = gidList.mapNotNull { gid ->
             mAllInfoMap.remove(gid)?.also { getInfoListForLabel(it.label)?.remove(it) }
@@ -441,7 +421,7 @@ object DownloadManager : OnSpiderListener {
         allInfoList.removeAll(list.toSet())
 
         // Update listener
-        mDownloadInfoListener?.onUpdateAll()
+        list.forEach { mutableNotifyFlow.tryEmit(it) }
 
         // Ensure download
         ensureDownload()
@@ -546,11 +526,11 @@ object DownloadManager : OnSpiderListener {
 
     // Update in DB
     // Update mDownloadListener
-    private suspend fun stopRangeDownloadInternal(gidList: LongList) {
+    private suspend fun stopRangeDownloadInternal(gidList: LongArray) {
         // Two way
         if (gidList.size < mWaitList.size) {
-            for (i in 0 until gidList.size) {
-                stopDownloadInternal(gidList[i])
+            for (element in gidList) {
+                stopDownloadInternal(element)
             }
         } else {
             // Check current task
@@ -578,12 +558,12 @@ object DownloadManager : OnSpiderListener {
     /**
      * @param label Not allow new label
      */
-    suspend fun changeLabel(list: List<DownloadInfo>, label: String?) {
+    suspend fun changeLabel(list: Collection<DownloadInfo>, label: String?) {
         if (null != label && !containLabel(label)) {
             Log.e(TAG, "Not exits label: $label")
             return
         }
-        val dstList: MutableList<DownloadInfo>? = getInfoListForLabel(label)
+        val dstList = getInfoListForLabel(label)
         if (dstList == null) {
             Log.e(TAG, "Can't find label with label: $label")
             return
@@ -592,7 +572,7 @@ object DownloadManager : OnSpiderListener {
             if (info.label == label) {
                 continue
             }
-            val srcList: MutableList<DownloadInfo>? = getInfoListForLabel(info.label)
+            val srcList = getInfoListForLabel(info.label)
             if (srcList == null) {
                 Log.e(TAG, "Can't find label with label: " + info.label)
                 continue
@@ -605,7 +585,6 @@ object DownloadManager : OnSpiderListener {
             // Save to DB
             EhDB.putDownloadInfo(info)
         }
-        mDownloadInfoListener?.onUpdateAll()
     }
 
     suspend fun addLabel(label: String?) {
@@ -613,41 +592,30 @@ object DownloadManager : OnSpiderListener {
             return
         }
         labelList.add(EhDB.addDownloadLabel(DownloadLabel(label, labelList.size)))
-        map[label] = LinkedList()
+        map[label] = mutableStateListOf()
     }
 
     suspend fun moveLabel(fromPosition: Int, toPosition: Int) {
         val item = labelList.removeAt(fromPosition)
         labelList.add(toPosition, item)
-        val range = if (fromPosition < toPosition) fromPosition..toPosition else toPosition..fromPosition
-        val list = labelList.slice(range)
-        list.zip(range).forEach { it.first.position = it.second }
-        EhDB.updateDownloadLabel(list)
+        withIOContext {
+            val range = if (fromPosition < toPosition) fromPosition..toPosition else toPosition..fromPosition
+            val list = labelList.slice(range)
+            list.zip(range).forEach { it.first.position = it.second }
+            EhDB.updateDownloadLabel(list)
+        }
     }
 
     suspend fun renameLabel(from: String, to: String) {
-        // Find in label list
-        var found = false
-        for (raw in labelList) {
-            if (from == raw.label) {
-                found = true
-                raw.label = to
-                // Update in DB
-                EhDB.updateDownloadLabel(raw)
-                break
-            }
+        val index = labelList.indexOfFirst { it.label == from }
+        if (index != -1) {
+            val exist = labelList.removeAt(index)
+            val new = exist.copy(label = to)
+            labelList.add(index, new)
+            EhDB.updateDownloadLabel(new)
+            val list = map.remove(from)?.onEach { it.label = to }
+            if (list != null) map[to] = list
         }
-        if (!found) {
-            return
-        }
-        val list = map.remove(from) ?: return
-
-        // Update info label
-        for (info in list) {
-            info.label = to
-        }
-        // Put list back with new label
-        map[to] = list
     }
 
     suspend fun deleteLabel(label: String) {
@@ -754,18 +722,6 @@ object DownloadManager : OnSpiderListener {
         // Ignore
     }
 
-    interface DownloadInfoListener {
-        /**
-         * The special info is changed
-         */
-        fun onUpdate(info: DownloadInfo)
-
-        /**
-         * Maybe all data is changed, but size is the same
-         */
-        fun onUpdateAll()
-    }
-
     interface DownloadListener {
         /**
          * Get 509 error
@@ -870,7 +826,7 @@ object DownloadManager : OnSpiderListener {
                         Log.e(TAG, "Current task is null, but it should not be")
                     } else {
                         info.total = mPages
-                        mDownloadInfoListener?.onUpdate(info)
+                        mutableNotifyFlow.tryEmit(info)
                     }
                 }
 
@@ -899,7 +855,7 @@ object DownloadManager : OnSpiderListener {
                         if (mDownloadListener != null) {
                             mDownloadListener!!.onGetPage(info)
                         }
-                        mDownloadInfoListener?.onUpdate(info)
+                        mutableNotifyFlow.tryEmit(info)
                     }
                 }
 
@@ -912,7 +868,7 @@ object DownloadManager : OnSpiderListener {
                         info.finished = mFinished
                         info.downloaded = mDownloaded
                         info.total = mTotal
-                        mDownloadInfoListener?.onUpdate(info)
+                        mutableNotifyFlow.tryEmit(info)
                     }
                 }
 
@@ -951,7 +907,7 @@ object DownloadManager : OnSpiderListener {
                             if (mDownloadListener != null) {
                                 mDownloadListener!!.onFinish(info)
                             }
-                            mDownloadInfoListener?.onUpdate(info)
+                            mutableNotifyFlow.tryEmit(info)
                             // Start next download
                             ensureDownload()
                         }
@@ -1037,7 +993,7 @@ object DownloadManager : OnSpiderListener {
                 if (mDownloadListener != null) {
                     mDownloadListener!!.onDownload(info)
                 }
-                mDownloadInfoListener?.onUpdate(info)
+                mutableNotifyFlow.tryEmit(info)
             }
             mBytesRead = 0
             if (!mStop) {

app/src/main/kotlin/com/hippo/ehviewer/download/DownloadService.kt

@@ -35,9 +35,8 @@ import com.hippo.ehviewer.client.EhUtils
 import com.hippo.ehviewer.client.data.BaseGalleryInfo
 import com.hippo.ehviewer.dao.DownloadInfo
 import com.hippo.ehviewer.ui.MainActivity
-import com.hippo.ehviewer.ui.scene.DownloadsScene
+import com.hippo.ehviewer.ui.screen.DownloadsFragment
 import com.hippo.ehviewer.util.FileUtils
-import com.hippo.ehviewer.util.LongList
 import com.hippo.ehviewer.util.ReadableTime
 import com.hippo.ehviewer.util.SimpleHandler
 import com.hippo.ehviewer.util.getParcelableExtraCompat
@@ -105,7 +104,7 @@ class DownloadService : Service(), DownloadManager.DownloadListener, CoroutineSc
             }
 
             ACTION_START_RANGE -> {
-                val gidList = intent.getParcelableExtraCompat<LongList>(KEY_GID_LIST)
+                val gidList = intent.getLongArrayExtra(KEY_GID_LIST)
                 if (gidList != null) {
                     deferredMgr.await().startRangeDownload(gidList)
                 }
@@ -125,7 +124,7 @@ class DownloadService : Service(), DownloadManager.DownloadListener, CoroutineSc
             ACTION_STOP_CURRENT -> deferredMgr.await().stopCurrentDownload()
 
             ACTION_STOP_RANGE -> {
-                val gidList = intent.getParcelableExtraCompat<LongList>(KEY_GID_LIST)
+                val gidList = intent.getLongArrayExtra(KEY_GID_LIST)
                 if (gidList != null) {
                     deferredMgr.await().stopRangeDownload(gidList)
                 }
@@ -141,7 +140,7 @@ class DownloadService : Service(), DownloadManager.DownloadListener, CoroutineSc
             }
 
             ACTION_DELETE_RANGE -> {
-                val gidList = intent.getParcelableExtraCompat<LongList>(KEY_GID_LIST)
+                val gidList = intent.getLongArrayExtra(KEY_GID_LIST)
                 if (gidList != null) {
                     deferredMgr.await().deleteRangeDownload(gidList)
                 }
@@ -188,7 +187,7 @@ class DownloadService : Service(), DownloadManager.DownloadListener, CoroutineSc
         clearIntent.action = ACTION_CLEAR
         val piClear = PendingIntent.getService(this, 0, clearIntent, PendingIntent.FLAG_IMMUTABLE)
         val bundle = Bundle()
-        bundle.putString(DownloadsScene.KEY_ACTION, DownloadsScene.ACTION_CLEAR_DOWNLOAD_SERVICE)
+        bundle.putString(DownloadsFragment.KEY_ACTION, DownloadsFragment.ACTION_CLEAR_DOWNLOAD_SERVICE)
         val activityIntent = Intent(this, MainActivity::class.java)
         activityIntent.action = ACTION_START_DOWNLOADSCENE
         activityIntent.putExtra(ACTION_START_DOWNLOADSCENE_ARGS, bundle)
@@ -244,7 +243,7 @@ class DownloadService : Service(), DownloadManager.DownloadListener, CoroutineSc
         }
         ensureDownloadingBuilder()
         val bundle = Bundle()
-        bundle.putLong(DownloadsScene.KEY_GID, info.gid)
+        bundle.putLong(DownloadsFragment.KEY_GID, info.gid)
         val activityIntent = Intent(this, MainActivity::class.java)
         activityIntent.action = ACTION_START_DOWNLOADSCENE
         activityIntent.putExtra(ACTION_START_DOWNLOADSCENE_ARGS, bundle)

app/src/main/kotlin/com/hippo/ehviewer/gallery/ArchivePageLoader.kt

@@ -35,6 +35,7 @@ import com.hippo.ehviewer.jni.providePassword
 import com.hippo.ehviewer.jni.releaseByteBuffer
 import com.hippo.ehviewer.util.FileUtils
 import com.hippo.unifile.UniFile
+import java.nio.ByteBuffer
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.CoroutineStart
 import kotlinx.coroutines.Dispatchers
@@ -42,15 +43,16 @@ import kotlinx.coroutines.Job
 import kotlinx.coroutines.cancel
 import kotlinx.coroutines.currentCoroutineContext
 import kotlinx.coroutines.ensureActive
-import kotlinx.coroutines.flow.Flow
 import kotlinx.coroutines.launch
 import kotlinx.coroutines.sync.Semaphore
 import kotlinx.coroutines.sync.withPermit
 import moe.tarsin.coroutines.NamedMutex
 import moe.tarsin.coroutines.withLock
-import java.nio.ByteBuffer
 
-class ArchivePageLoader(context: Context, private val uri: Uri, passwdFlow: Flow<String>) : PageLoader2(), CoroutineScope {
+typealias PasswdInvalidator = (String) -> Boolean
+typealias PasswdProvider = suspend (PasswdInvalidator) -> String
+
+class ArchivePageLoader(context: Context, private val uri: Uri, passwdProvider: PasswdProvider) : PageLoader2(), CoroutineScope {
     override val coroutineContext = Dispatchers.IO + Job()
     private lateinit var pfd: ParcelFileDescriptor
     private val hostJob = launch(start = CoroutineStart.LAZY) {
@@ -65,12 +67,8 @@ class ArchivePageLoader(context: Context, private val uri: Uri, passwdFlow: Flow
                 it ?: return@forEach
                 if (providePassword(it)) return@launch
             }
-            passwdFlow.collect {
-                if (providePassword(it)) {
-                    archivePasswds = archivePasswds?.toMutableSet()?.apply { add(it) } ?: setOf(it)
-                    currentCoroutineContext().cancel()
-                }
-            }
+            val toAdd = passwdProvider { providePassword(it) }
+            archivePasswds = archivePasswds?.toMutableSet()?.apply { add(toAdd) } ?: setOf(toAdd)
         }
     }
 

app/src/main/kotlin/com/hippo/ehviewer/gallery/EhPageLoader.kt

@@ -28,8 +28,10 @@ import java.util.Locale
 class EhPageLoader(private val mGalleryInfo: GalleryInfo) : PageLoader2(), OnSpiderListener {
     private lateinit var mSpiderQueen: SpiderQueen
     override fun start() {
-        mSpiderQueen = obtainSpiderQueen(mGalleryInfo, SpiderQueen.MODE_READ)
-        mSpiderQueen.addOnSpiderListener(this)
+        if (!::mSpiderQueen.isInitialized) {
+            mSpiderQueen = obtainSpiderQueen(mGalleryInfo, SpiderQueen.MODE_READ)
+            mSpiderQueen.addOnSpiderListener(this)
+        }
     }
 
     override fun stop() {

app/src/main/kotlin/com/hippo/ehviewer/icons/EhIcons.kt

@@ -0,0 +1,32 @@
+@file:Suppress("ktlint:standard:property-naming")
+
+package com.hippo.ehviewer.icons
+
+import androidx.compose.ui.graphics.vector.ImageVector
+import androidx.compose.ui.unit.dp
+
+object EhIcons {
+    object Filled
+
+    object Big {
+        object Filled
+
+        val Default = Filled
+    }
+
+    val Default = Filled
+}
+
+inline fun bigIcon(
+    name: String,
+    block: ImageVector.Builder.() -> ImageVector.Builder,
+): ImageVector = ImageVector.Builder(
+    name = name,
+    defaultWidth = BigIconDimension.dp,
+    defaultHeight = BigIconDimension.dp,
+    viewportWidth = MaterialIconDimension,
+    viewportHeight = MaterialIconDimension,
+).block().build()
+
+const val BigIconDimension = 120f
+const val MaterialIconDimension = 24f

app/src/main/kotlin/com/hippo/ehviewer/icons/big/Download.kt

@@ -0,0 +1,44 @@
+package com.hippo.ehviewer.icons.big
+
+import androidx.compose.material.icons.materialPath
+import com.hippo.ehviewer.icons.EhIcons
+import com.hippo.ehviewer.icons.bigIcon
+import com.hippo.ehviewer.util.unsafeLazy
+
+val EhIcons.Big.Filled.Download by unsafeLazy {
+    bigIcon(name = "Download") {
+        materialPath {
+            moveTo(0.0F, 19.0F)
+            verticalLineTo(24.0F)
+            horizontalLineTo(24.0F)
+            verticalLineTo(19.0F)
+            horizontalLineTo(0.0F)
+            close()
+            moveTo(16.0F, 22.0F)
+            horizontalLineTo(15.0F)
+            verticalLineTo(21.0F)
+            horizontalLineTo(16.0F)
+            verticalLineTo(22.0F)
+            close()
+            moveTo(19.0F, 22.0F)
+            horizontalLineTo(18.0F)
+            verticalLineTo(21.0F)
+            horizontalLineTo(19.0F)
+            verticalLineTo(22.0F)
+            close()
+            moveTo(22.0F, 22.0F)
+            horizontalLineTo(21.0F)
+            verticalLineTo(21.0F)
+            horizontalLineTo(22.0F)
+            verticalLineTo(22.0F)
+            moveTo(15.0F, 11.0F)
+            lineTo(15.0F, 0.0F)
+            lineTo(9.0F, 0.0F)
+            lineTo(9.0F, 11.0F)
+            lineTo(5.0F, 11.0F)
+            lineTo(12.0F, 18.0F)
+            lineTo(19.0F, 11.0F)
+            close()
+        }
+    }
+}

app/src/main/kotlin/com/hippo/ehviewer/icons/big/History.kt

@@ -0,0 +1,51 @@
+package com.hippo.ehviewer.icons.big
+
+import androidx.compose.material.icons.materialPath
+import com.hippo.ehviewer.icons.EhIcons
+import com.hippo.ehviewer.icons.bigIcon
+import com.hippo.ehviewer.util.unsafeLazy
+
+val EhIcons.Big.Filled.History by unsafeLazy {
+    bigIcon(name = "History") {
+        materialPath {
+            moveTo(5.5F, 2.0F)
+            horizontalLineTo(22.0F)
+            verticalLineTo(0.0F)
+            horizontalLineTo(5.0F)
+            curveTo(3.3F, 0.0F, 2.0F, 1.3F, 2.0F, 3.0F)
+            verticalLineTo(21.0F)
+            curveTo(2.0F, 22.7F, 3.3F, 24.0F, 5.0F, 24.0F)
+            horizontalLineTo(22.0F)
+            verticalLineTo(4.0F)
+            horizontalLineTo(5.5F)
+            curveTo(4.1F, 4.0F, 4.1F, 2.0F, 5.5F, 2.0F)
+            close()
+            moveTo(20.0F, 6.0F)
+            verticalLineTo(22.0F)
+            horizontalLineTo(6.0F)
+            verticalLineTo(6.0F)
+            horizontalLineTo(20.0F)
+            moveTo(12.5F, 11.8F)
+            verticalLineTo(14.4F)
+            lineTo(14.9F, 15.8F)
+            lineTo(15.3F, 15.2F)
+            lineTo(13.3F, 14.0F)
+            verticalLineTo(11.9F)
+            moveTo(13.3F, 9.3F)
+            curveTo(11.5F, 9.3F, 10.0F, 10.3F, 9.2F, 11.7F)
+            lineTo(8.0F, 10.5F)
+            verticalLineTo(13.8F)
+            horizontalLineTo(11.3F)
+            lineTo(9.9F, 12.4F)
+            curveTo(10.5F, 11.1F, 11.8F, 10.3F, 13.3F, 10.3F)
+            curveTo(15.4F, 10.3F, 17.1F, 12.0F, 17.1F, 14.1F)
+            reflectiveCurveTo(15.4F, 17.9F, 13.3F, 17.9F)
+            curveTo(11.7F, 17.9F, 10.3F, 16.9F, 9.8F, 15.4F)
+            horizontalLineTo(8.7F)
+            curveTo(9.3F, 17.4F, 11.1F, 18.9F, 13.3F, 18.9F)
+            curveTo(15.9F, 18.9F, 18.1F, 16.8F, 18.1F, 14.1F)
+            curveTo(18.0F, 11.4F, 15.9F, 9.3F, 13.3F, 9.3F)
+            close()
+        }
+    }
+}

app/src/main/kotlin/com/hippo/ehviewer/icons/big/SadAndroid.kt

@@ -0,0 +1,53 @@
+package com.hippo.ehviewer.icons.big
+
+import androidx.compose.material.icons.materialPath
+import com.hippo.ehviewer.icons.EhIcons
+import com.hippo.ehviewer.icons.bigIcon
+import com.hippo.ehviewer.util.unsafeLazy
+
+val EhIcons.Big.Filled.SadAndroid by unsafeLazy {
+    bigIcon(name = "SadAndroid") {
+        materialPath {
+            moveTo(16.5F, 10.8F)
+            curveToRelative(-0.61F, 0.0F, -1.1F, 0.49F, -1.1F, 1.1F)
+            curveToRelative(0.0F, 0.61F, 0.49F, 1.1F, 1.1F, 1.1F)
+            reflectiveCurveToRelative(1.1F, -0.49F, 1.1F, -1.1F)
+            curveTo(17.6F, 11.29F, 17.11F, 10.8F, 16.5F, 10.8F)
+            close()
+            moveTo(8.2F, 10.1F)
+            curveToRelative(-0.61F, 0.0F, -1.1F, 0.49F, -1.1F, 1.1F)
+            reflectiveCurveToRelative(0.49F, 1.1F, 1.1F, 1.1F)
+            reflectiveCurveToRelative(1.1F, -0.49F, 1.1F, -1.1F)
+            reflectiveCurveTo(8.81F, 10.1F, 8.2F, 10.1F)
+            close()
+            moveTo(22.1F, 16.4F)
+            curveToRelative(-0.46F, -3.33F, -2.24F, -5.93F, -4.81F, -7.45F)
+            lineTo(19.5F, 6.3F)
+            curveToRelative(0.1F, -0.1F, 0.1F, -0.3F, 0.0F, -0.4F)
+            curveToRelative(-0.1F, -0.1F, -0.3F, -0.1F, -0.4F, 0.0F)
+            lineToRelative(-2.27F, 2.79F)
+            curveToRelative(-1.26F, -0.66F, -2.69F, -1.07F, -4.23F, -1.19F)
+            curveToRelative(-1.4F, -0.15F, -2.77F, -0.01F, -4.05F, 0.37F)
+            lineTo(6.7F, 4.7F)
+            curveTo(6.6F, 4.6F, 6.4F, 4.5F, 6.3F, 4.6F)
+            curveTo(6.2F, 4.7F, 6.1F, 4.9F, 6.2F, 5.0F)
+            lineToRelative(1.79F, 3.05F)
+            curveToRelative(-2.83F, 1.02F, -5.12F, 3.3F, -6.19F, 6.55F)
+            lineToRelative(15.44F, 1.37F)
+            curveToRelative(0.0F, 0.02F, -0.01F, 0.04F, -0.01F, 0.05F)
+            curveToRelative(0.0F, 0.59F, 0.48F, 1.07F, 1.07F, 1.07F)
+            curveToRelative(0.54F, 0.0F, 0.97F, -0.41F, 1.04F, -0.93F)
+            lineTo(22.1F, 16.4F)
+            close()
+            moveTo(2.63F, 14.07F)
+            curveToRelative(1.51F, -3.74F, 4.83F, -6.03F, 8.84F, -6.03F)
+            curveToRelative(0.35F, 0.0F, 0.71F, 0.02F, 1.07F, 0.06F)
+            curveToRelative(4.55F, 0.36F, 7.94F, 3.33F, 8.84F, 7.64F)
+            lineToRelative(-2.12F, -0.19F)
+            curveToRelative(-0.27F, -0.68F, -0.95F, -1.46F, -0.95F, -1.46F)
+            reflectiveCurveToRelative(-0.58F, 0.66F, -0.89F, 1.29F)
+            lineTo(2.63F, 14.07F)
+            close()
+        }
+    }
+}

app/src/main/kotlin/com/hippo/ehviewer/icons/filled/GoTo.kt

@@ -0,0 +1,33 @@
+package com.hippo.ehviewer.icons.filled
+
+import androidx.compose.material.icons.materialIcon
+import androidx.compose.material.icons.materialPath
+import com.hippo.ehviewer.icons.EhIcons
+import com.hippo.ehviewer.util.unsafeLazy
+
+val EhIcons.Filled.GoTo by unsafeLazy {
+    materialIcon(name = "GoTo") {
+        materialPath {
+            moveTo(13.0F, 13.0F)
+            lineTo(17.0F, 17.0F)
+            lineTo(21.0F, 13.0F)
+            horizontalLineTo(18.0F)
+            verticalLineTo(10.0F)
+            curveTo(18.0F, 6.1F, 14.9F, 3.0F, 11.0F, 3.0F)
+            reflectiveCurveTo(4.0F, 6.1F, 4.0F, 10.0F)
+            verticalLineTo(17.0F)
+            horizontalLineTo(6.0F)
+            verticalLineTo(10.0F)
+            curveTo(6.0F, 7.2F, 8.2F, 5.0F, 11.0F, 5.0F)
+            reflectiveCurveTo(16.0F, 7.2F, 16.0F, 10.0F)
+            verticalLineTo(13.0F)
+            horizontalLineTo(13.0F)
+            moveTo(16.0F, 19.0F)
+            horizontalLineTo(18.0F)
+            verticalLineTo(21.0F)
+            horizontalLineTo(16.0F)
+            verticalLineTo(19.0F)
+            close()
+        }
+    }
+}

app/src/main/kotlin/com/hippo/ehviewer/icons/filled/SadPanda.kt

@@ -0,0 +1,47 @@
+package com.hippo.ehviewer.icons.filled
+
+import androidx.compose.material.icons.materialIcon
+import androidx.compose.material.icons.materialPath
+import com.hippo.ehviewer.icons.EhIcons
+import com.hippo.ehviewer.util.unsafeLazy
+
+val EhIcons.Filled.SadPanda by unsafeLazy {
+    materialIcon(name = "SadPanda") {
+        materialPath {
+            moveTo(21.1F, 7.8F)
+            curveTo(22.2F, 7.4F, 23.0F, 6.3F, 23.0F, 5.0F)
+            curveTo(23.0F, 3.3F, 21.7F, 2.0F, 20.0F, 2.0F)
+            curveTo(18.9F, 2.0F, 17.9F, 2.6F, 17.4F, 3.6F)
+            lineTo(21.1F, 7.8F)
+            moveTo(6.6F, 3.6F)
+            curveTo(6.1F, 2.6F, 5.1F, 2.0F, 4.0F, 2.0F)
+            curveTo(2.3F, 2.0F, 1.0F, 3.3F, 1.0F, 5.0F)
+            curveTo(1.0F, 6.3F, 1.8F, 7.4F, 2.9F, 7.8F)
+            lineTo(6.6F, 3.6F)
+            moveTo(10.1F, 13.0F)
+            lineTo(8.0F, 15.1F)
+            curveTo(7.4F, 15.7F, 6.5F, 15.7F, 5.9F, 15.1F)
+            lineTo(5.9F, 15.1F)
+            curveTo(5.3F, 14.5F, 5.3F, 13.6F, 5.9F, 13.0F)
+            lineTo(8.0F, 10.9F)
+            curveTo(8.6F, 10.3F, 9.5F, 10.3F, 10.1F, 10.9F)
+            lineTo(10.1F, 10.9F)
+            curveTo(10.7F, 11.5F, 10.7F, 12.4F, 10.1F, 13.0F)
+            moveTo(16.0F, 15.1F)
+            lineTo(13.9F, 13.0F)
+            curveTo(13.3F, 12.4F, 13.3F, 11.5F, 13.9F, 10.9F)
+            lineTo(13.9F, 10.9F)
+            curveTo(14.5F, 10.3F, 15.4F, 10.3F, 16.0F, 10.9F)
+            lineTo(18.1F, 13.0F)
+            curveTo(18.7F, 13.6F, 18.7F, 14.5F, 18.1F, 15.1F)
+            lineTo(18.1F, 15.1F)
+            curveTo(17.5F, 15.7F, 16.6F, 15.7F, 16.0F, 15.1F)
+            moveTo(12.0F, 17.0F)
+            curveTo(12.8F, 17.0F, 13.5F, 17.4F, 13.5F, 18.0F)
+            reflectiveCurveTo(12.8F, 19.0F, 12.0F, 19.0F)
+            reflectiveCurveTo(10.5F, 18.6F, 10.5F, 18.0F)
+            reflectiveCurveTo(11.2F, 17.0F, 12.0F, 17.0F)
+            close()
+        }
+    }
+}

app/src/main/kotlin/com/hippo/ehviewer/icons/filled/Subscriptions.kt

@@ -0,0 +1,61 @@
+package com.hippo.ehviewer.icons.filled
+
+import androidx.compose.material.icons.materialIcon
+import androidx.compose.material.icons.materialPath
+import com.hippo.ehviewer.icons.EhIcons
+import com.hippo.ehviewer.util.unsafeLazy
+
+val EhIcons.Filled.Subscriptions by unsafeLazy {
+    materialIcon(name = "Subscriptions") {
+        materialPath {
+            moveTo(20.0F, 8.0F)
+            horizontalLineTo(4.0F)
+            verticalLineTo(6.0F)
+            horizontalLineToRelative(16.0F)
+            verticalLineTo(8.0F)
+            moveTo(18.0F, 2.0F)
+            horizontalLineTo(6.0F)
+            verticalLineToRelative(2.0F)
+            horizontalLineToRelative(12.0F)
+            verticalLineTo(2.0F)
+            moveTo(20.0F, 10.0F)
+            horizontalLineTo(4.0F)
+            curveToRelative(-1.1F, 0.0F, -2.0F, 0.9F, -2.0F, 2.0F)
+            verticalLineToRelative(8.0F)
+            curveToRelative(0.0F, 1.1F, 0.9F, 2.0F, 2.0F, 2.0F)
+            horizontalLineToRelative(16.0F)
+            curveToRelative(1.1F, 0.0F, 2.0F, -0.9F, 2.0F, -2.0F)
+            verticalLineToRelative(-8.0F)
+            curveTo(22.0F, 10.9F, 21.1F, 10.0F, 20.0F, 10.0F)
+            close()
+            moveTo(11.0F, 14.0F)
+            horizontalLineTo(7.0F)
+            verticalLineToRelative(1.0F)
+            horizontalLineToRelative(4.0F)
+            verticalLineToRelative(2.0F)
+            horizontalLineTo(7.0F)
+            verticalLineToRelative(1.0F)
+            horizontalLineToRelative(4.0F)
+            verticalLineToRelative(2.0F)
+            horizontalLineTo(5.0F)
+            verticalLineToRelative(-8.0F)
+            horizontalLineToRelative(6.0F)
+            verticalLineTo(14.0F)
+            close()
+            moveTo(19.0F, 20.0F)
+            horizontalLineToRelative(-2.0F)
+            verticalLineToRelative(-3.0F)
+            horizontalLineToRelative(-2.0F)
+            verticalLineToRelative(3.0F)
+            horizontalLineToRelative(-2.0F)
+            verticalLineToRelative(-8.0F)
+            horizontalLineToRelative(2.0F)
+            verticalLineToRelative(3.0F)
+            horizontalLineToRelative(2.0F)
+            verticalLineToRelative(-3.0F)
+            horizontalLineToRelative(2.0F)
+            verticalLineTo(20.0F)
+            close()
+        }
+    }
+}

app/src/main/kotlin/com/hippo/ehviewer/image/Image.kt

@@ -46,18 +46,17 @@ import com.hippo.ehviewer.util.isAtLeastP
 import com.hippo.ehviewer.util.isAtLeastU
 import com.hippo.unifile.UniFile
 import com.hippo.unifile.openInputStream
+import java.nio.ByteBuffer
+import kotlin.math.min
 import okio.buffer
 import okio.source
 import splitties.init.appCtx
-import java.nio.ByteBuffer
-import kotlin.math.min
 
 class Image private constructor(drawable: Drawable, private val src: AutoCloseable) {
     var mObtainedDrawable: Drawable? = drawable
         private set
 
-    val size: Int
-        get() = mObtainedDrawable!!.run { intrinsicHeight * intrinsicWidth * 4 * if (this is Animatable) 4 else 1 }
+    val size = drawable.run { intrinsicHeight * intrinsicWidth * 4 * if (this is Animatable) 4 else 1 }
 
     @Synchronized
     fun recycle() {
@@ -126,6 +125,7 @@ class Image private constructor(drawable: Drawable, private val src: AutoCloseab
                                 colorSpace = if (isAtLeastO) colorSpace else null,
                                 size = Size(targetWidth, targetHeight),
                                 scale = Scale.FILL,
+                                allowInexactSize = true,
                             )
                             val drawable = ImageSource(src.source.openInputStream().source().buffer(), appCtx).use {
                                 BitmapFactoryDecoder(it, options).decode().drawable

app/src/main/kotlin/com/hippo/ehviewer/legacy/CleanupObsoleteCache.kt

@@ -2,8 +2,8 @@ package com.hippo.ehviewer.legacy
 
 import android.app.Application
 import eu.kanade.tachiyomi.util.lang.launchIO
-import kotlinx.coroutines.DelicateCoroutinesApi
 import java.io.File
+import kotlinx.coroutines.DelicateCoroutinesApi
 
 private val OBSOLETE_CACHE_DIRS = arrayOf(
     "image",

app/src/main/kotlin/com/hippo/ehviewer/legacy/SpiderInfoCompat.kt

@@ -1,9 +1,9 @@
 package com.hippo.ehviewer.legacy
 
 import com.hippo.ehviewer.spider.SpiderInfo
+import java.io.InputStream
 import okio.buffer
 import okio.source
-import java.io.InputStream
 
 fun readLegacySpiderInfo(inputStream: InputStream): SpiderInfo {
     val source = inputStream.source().buffer()

app/src/main/kotlin/com/hippo/ehviewer/spider/SpiderDen.kt

@@ -17,6 +17,7 @@ package com.hippo.ehviewer.spider
 
 import android.os.ParcelFileDescriptor
 import android.os.ParcelFileDescriptor.MODE_READ_WRITE
+import com.hippo.ehviewer.EhApplication.Companion.imageCache as sCache
 import com.hippo.ehviewer.EhDB
 import com.hippo.ehviewer.client.EhUtils.getSuitableTitle
 import com.hippo.ehviewer.client.data.GalleryInfo
@@ -38,14 +39,13 @@ import com.hippo.ehviewer.util.isCronetSupported
 import com.hippo.ehviewer.util.sendTo
 import com.hippo.unifile.UniFile
 import com.hippo.unifile.openOutputStream
+import java.util.Locale
+import kotlin.io.path.readText
 import okhttp3.MediaType.Companion.toMediaType
 import okhttp3.Response
 import okio.Buffer
 import okio.ForwardingSink
 import okio.sink
-import java.util.Locale
-import kotlin.io.path.readText
-import com.hippo.ehviewer.EhApplication.Companion.imageCache as sCache
 
 class SpiderDen(mGalleryInfo: GalleryInfo) {
     private val mGid = mGalleryInfo.gid
@@ -59,7 +59,7 @@ class SpiderDen(mGalleryInfo: GalleryInfo) {
     suspend fun setMode(value: Int) {
         mode = value
         if (mode == SpiderQueen.MODE_DOWNLOAD && downloadDir == null) {
-            downloadDir = getGalleryDownloadDir(mGid)!!.apply { check(ensureDir()) { "Download directory $uri is not valid directory!" } }
+            downloadDir = getGalleryDownloadDir(mGid)?.takeIf { it.ensureDir() }
         }
     }
 
@@ -127,6 +127,7 @@ class SpiderDen(mGalleryInfo: GalleryInfo) {
         return dir.createFile(perFilename(index, ext))
     }
 
+    @Suppress("NewApi")
     suspend fun makeHttpCallAndSaveImage(
         index: Int,
         url: String,

app/src/main/kotlin/com/hippo/ehviewer/spider/SpiderInfo.kt

@@ -7,13 +7,13 @@ import com.hippo.ehviewer.legacy.readLegacySpiderInfo
 import com.hippo.unifile.UniFile
 import com.hippo.unifile.openInputStream
 import com.hippo.unifile.openOutputStream
+import java.io.File
 import kotlinx.serialization.Serializable
 import kotlinx.serialization.cbor.Cbor
 import kotlinx.serialization.decodeFromByteArray
 import kotlinx.serialization.encodeToByteArray
 import moe.tarsin.coroutines.runSuspendCatching
 import splitties.init.appCtx
-import java.io.File
 
 @Serializable
 class SpiderInfo(

app/src/main/kotlin/com/hippo/ehviewer/spider/SpiderQueen.kt

@@ -30,7 +30,6 @@ import com.hippo.ehviewer.client.EhUrl.getGalleryMultiPageViewerUrl
 import com.hippo.ehviewer.client.EhUrl.referer
 import com.hippo.ehviewer.client.data.GalleryInfo
 import com.hippo.ehviewer.client.ehRequest
-import com.hippo.ehviewer.client.exception.ParseException
 import com.hippo.ehviewer.client.exception.QuotaExceededException
 import com.hippo.ehviewer.client.execute
 import com.hippo.ehviewer.client.parser.GalleryDetailParser.parsePages
@@ -42,6 +41,9 @@ import com.hippo.ehviewer.image.Image
 import com.hippo.ehviewer.util.ExceptionUtils
 import com.hippo.unifile.UniFile
 import eu.kanade.tachiyomi.util.lang.launchIO
+import java.time.Instant
+import java.util.concurrent.atomic.AtomicInteger
+import kotlin.time.Duration.Companion.seconds
 import kotlinx.coroutines.CancellationException
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Dispatchers
@@ -59,9 +61,6 @@ import kotlinx.coroutines.sync.withPermit
 import kotlinx.coroutines.withTimeout
 import moe.tarsin.coroutines.runSuspendCatching
 import splitties.init.appCtx
-import java.time.Instant
-import java.util.concurrent.atomic.AtomicInteger
-import kotlin.time.Duration.Companion.seconds
 
 class SpiderQueen private constructor(val galleryInfo: GalleryInfo) : CoroutineScope {
     override val coroutineContext = Dispatchers.IO + Job()
@@ -620,8 +619,9 @@ class SpiderQueen private constructor(val galleryInfo: GalleryInfo) : CoroutineS
             var originImageUrl: String? = null
             var error: String? = null
             var forceHtml = false
+            val original = Settings.downloadOriginImage || orgImg
             runCatching {
-                repeat(2) {
+                repeat(2) { retries ->
                     var imageUrl: String? = null
                     var localShowKey: String?
 
@@ -631,11 +631,7 @@ class SpiderQueen private constructor(val galleryInfo: GalleryInfo) : CoroutineS
                             var pageUrl = EhUrl.getPageUrl(mSpiderInfo.gid, index, pToken)
                             // Skipping H@H costs 50 points, only use it as last resort
                             if (skipHathKey != null) {
-                                pageUrl += if ("?" in pageUrl) {
-                                    "&nl=$skipHathKey"
-                                } else {
-                                    "?nl=$skipHathKey"
-                                }
+                                pageUrl += "?nl=$skipHathKey"
                             }
                             EhEngine.getGalleryPage(pageUrl, mSpiderInfo.gid, mSpiderInfo.token)
                                 .let { result ->
@@ -650,7 +646,7 @@ class SpiderQueen private constructor(val galleryInfo: GalleryInfo) : CoroutineS
                     }
 
                     if (imageUrl == null) {
-                        runCatching {
+                        runSuspendCatching {
                             EhEngine.getGalleryPageApi(
                                 mSpiderInfo.gid,
                                 index,
@@ -664,20 +660,18 @@ class SpiderQueen private constructor(val galleryInfo: GalleryInfo) : CoroutineS
                                 originImageUrl = it.originImageUrl
                             }
                         }.onFailure {
-                            if (it is ParseException && "Key mismatch" == it.message) {
-                                // Show key is wrong, enter a new loop to get the new show key
-                                if (showKey == localShowKey) showKey = null
-                                return@repeat
-                            } else {
-                                throw it
-                            }
+                            forceHtml = true
+                            return@repeat
                         }
                     }
 
                     val targetImageUrl: String?
                     val referer: String?
 
-                    if ((Settings.downloadOriginImage || orgImg) && !originImageUrl.isNullOrBlank()) {
+                    if (original && originImageUrl != null) {
+                        if (retries == 1 && skipHathKey != null) {
+                            originImageUrl += "?nl=$skipHathKey"
+                        }
                         val pageUrl = EhUrl.getPageUrl(mSpiderInfo.gid, index, pToken)
                         targetImageUrl = EhEngine.getOriginalImageUrl(originImageUrl!!, pageUrl)
                         referer = EhUrl.referer
@@ -777,14 +771,9 @@ class SpiderQueen private constructor(val galleryInfo: GalleryInfo) : CoroutineS
 private val PTOKEN_FAILED_MESSAGE = appCtx.getString(R.string.error_get_ptoken_error)
 private val ERROR_TIMEOUT = appCtx.getString(R.string.error_timeout)
 private val DECODE_ERROR = appCtx.getString(R.string.error_decoding_failed)
-private val URL_509_ARRAY = arrayOf(
-    "https://ehgt.org/g/509.gif",
-    "https://ehgt.org/g/509s.gif",
-    "https://exhentai.org/img/509.gif",
-    "https://exhentai.org/img/509s.gif",
-)
+private val URL_509_PATTERN = Regex("\\.org/.+/509s?\\.gif")
 private const val WORKER_DEBUG_TAG = "SpiderQueenWorker"
 
 private fun check509(url: String) {
-    if (url in URL_509_ARRAY) throw QuotaExceededException()
+    if (URL_509_PATTERN in url) throw QuotaExceededException()
 }

app/src/main/kotlin/com/hippo/ehviewer/ui/CommonOperations.kt

@@ -18,10 +18,10 @@ package com.hippo.ehviewer.ui
 import android.Manifest
 import android.content.Context
 import android.content.Intent
-import android.os.Build
-import androidx.appcompat.app.AlertDialog
 import androidx.compose.foundation.layout.Column
-import androidx.compose.foundation.layout.Row
+import androidx.compose.foundation.layout.Spacer
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.height
 import androidx.compose.material.icons.Icons
 import androidx.compose.material.icons.automirrored.filled.DriveFileMove
 import androidx.compose.material.icons.automirrored.filled.MenuBook
@@ -30,13 +30,15 @@ import androidx.compose.material.icons.filled.Download
 import androidx.compose.material.icons.filled.Favorite
 import androidx.compose.material.icons.filled.FavoriteBorder
 import androidx.compose.material.icons.filled.HeartBroken
-import androidx.compose.material3.Checkbox
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.SelectableDates
 import androidx.compose.material3.Text
 import androidx.compose.runtime.getValue
 import androidx.compose.runtime.mutableStateOf
 import androidx.compose.runtime.setValue
-import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
 import androidx.compose.ui.res.stringResource
+import androidx.compose.ui.unit.dp
 import androidx.core.content.ContextCompat
 import com.hippo.ehviewer.EhDB
 import com.hippo.ehviewer.R
@@ -52,137 +54,32 @@ import com.hippo.ehviewer.client.exception.EhException
 import com.hippo.ehviewer.dao.DownloadInfo
 import com.hippo.ehviewer.download.DownloadManager
 import com.hippo.ehviewer.download.DownloadService
+import com.hippo.ehviewer.download.downloadDir
 import com.hippo.ehviewer.download.downloadLocation
-import com.hippo.ehviewer.ui.legacy.ListCheckBoxDialogBuilder
-import com.hippo.ehviewer.ui.scene.BaseScene
 import com.hippo.ehviewer.ui.tools.DialogState
+import com.hippo.ehviewer.ui.tools.LabeledCheckbox
 import com.hippo.ehviewer.util.FavouriteStatusRouter
-import com.hippo.ehviewer.util.LongList
+import com.hippo.ehviewer.util.findActivity
+import com.hippo.ehviewer.util.isAtLeastT
+import com.hippo.ehviewer.util.mapToLongArray
 import com.hippo.ehviewer.util.requestPermission
+import com.hippo.ehviewer.util.toEpochMillis
 import com.hippo.unifile.UniFile
 import eu.kanade.tachiyomi.ui.reader.ReaderActivity
-import eu.kanade.tachiyomi.util.lang.launchNow
 import eu.kanade.tachiyomi.util.lang.withIOContext
 import eu.kanade.tachiyomi.util.lang.withUIContext
-import kotlinx.coroutines.DelicateCoroutinesApi
 import kotlinx.coroutines.sync.Mutex
 import kotlinx.coroutines.sync.withLock
+import kotlinx.datetime.Clock
+import kotlinx.datetime.DateTimeUnit
+import kotlinx.datetime.LocalDate
+import kotlinx.datetime.TimeZone
+import kotlinx.datetime.minus
+import kotlinx.datetime.toLocalDateTime
+import kotlinx.datetime.todayIn
 import moe.tarsin.coroutines.runSuspendCatching
-import rikka.core.util.ContextUtils.requireActivity
 import splitties.init.appCtx
 
-object CommonOperations {
-    fun startDownload(activity: MainActivity?, galleryInfo: BaseGalleryInfo, forceDefault: Boolean) {
-        startDownload(activity!!, listOf(galleryInfo), forceDefault)
-    }
-
-    @OptIn(DelicateCoroutinesApi::class)
-    fun startDownload(
-        activity: MainActivity,
-        galleryInfos: List<BaseGalleryInfo>,
-        forceDefault: Boolean,
-    ) {
-        launchNow {
-            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU) {
-                activity.requestPermission(Manifest.permission.POST_NOTIFICATIONS)
-            }
-            doStartDownload(activity, galleryInfos, forceDefault)
-        }
-    }
-
-    private fun doStartDownload(
-        activity: MainActivity,
-        galleryInfos: List<BaseGalleryInfo>,
-        forceDefault: Boolean,
-    ) {
-        val toStart = LongList()
-        val toAdd: MutableList<BaseGalleryInfo> = ArrayList()
-        for (gi in galleryInfos) {
-            if (DownloadManager.containDownloadInfo(gi.gid)) {
-                toStart.add(gi.gid)
-            } else {
-                toAdd.add(gi)
-            }
-        }
-        if (!toStart.isEmpty()) {
-            val intent = Intent(activity, DownloadService::class.java)
-            intent.action = DownloadService.ACTION_START_RANGE
-            intent.putExtra(DownloadService.KEY_GID_LIST, toStart)
-            ContextCompat.startForegroundService(activity, intent)
-        }
-        if (toAdd.isEmpty()) {
-            activity.showTip(R.string.added_to_download_list, BaseScene.LENGTH_SHORT)
-            return
-        }
-        var justStart = forceDefault
-        var label: String? = null
-        // Get default download label
-        if (!justStart && Settings.hasDefaultDownloadLabel) {
-            label = Settings.defaultDownloadLabel
-            justStart = label == null || DownloadManager.containLabel(label)
-        }
-        // If there is no other label, just use null label
-        if (!justStart && DownloadManager.labelList.isEmpty()) {
-            justStart = true
-            label = null
-        }
-        if (justStart) {
-            // Got default label
-            for (gi in toAdd) {
-                val intent = Intent(activity, DownloadService::class.java)
-                intent.action = DownloadService.ACTION_START
-                intent.putExtra(DownloadService.KEY_LABEL, label)
-                intent.putExtra(DownloadService.KEY_GALLERY_INFO, gi)
-                ContextCompat.startForegroundService(activity, intent)
-            }
-            // Notify
-            activity.showTip(R.string.added_to_download_list, BaseScene.LENGTH_SHORT)
-        } else {
-            // Let use chose label
-            val list = DownloadManager.labelList
-            val items = mutableListOf<String>()
-            items.add(activity.getString(R.string.default_download_label_name))
-            items.addAll(list.map { it.label })
-            ListCheckBoxDialogBuilder(
-                activity,
-                items,
-                { builder: ListCheckBoxDialogBuilder?, _: AlertDialog?, position: Int ->
-                    var label1: String?
-                    if (position == 0) {
-                        label1 = null
-                    } else {
-                        label1 = items[position]
-                        if (!DownloadManager.containLabel(label1)) {
-                            label1 = null
-                        }
-                    }
-                    // Start download
-                    for (gi in toAdd) {
-                        val intent = Intent(activity, DownloadService::class.java)
-                        intent.action = DownloadService.ACTION_START
-                        intent.putExtra(DownloadService.KEY_LABEL, label1)
-                        intent.putExtra(DownloadService.KEY_GALLERY_INFO, gi)
-                        ContextCompat.startForegroundService(activity, intent)
-                    }
-                    // Save settings
-                    if (builder?.isChecked == true) {
-                        Settings.hasDefaultDownloadLabel = true
-                        Settings.defaultDownloadLabel = label1
-                    } else {
-                        Settings.hasDefaultDownloadLabel = false
-                    }
-                    // Notify
-                    activity.showTip(R.string.added_to_download_list, BaseScene.LENGTH_SHORT)
-                },
-                activity.getString(R.string.remember_download_label),
-                false,
-            )
-                .setTitle(R.string.download)
-                .show()
-        }
-    }
-}
-
 private fun removeNoMediaFile(downloadDir: UniFile) {
     val noMedia = downloadDir.subFile(".nomedia") ?: return
     noMedia.delete()
@@ -207,6 +104,86 @@ suspend fun keepNoMediaFileStatus() {
 fun getFavoriteIcon(favorited: Boolean) =
     if (favorited) Icons.Default.Favorite else Icons.Default.FavoriteBorder
 
+suspend fun DialogState.startDownload(
+    context: Context,
+    forceDefault: Boolean,
+    vararg galleryInfos: BaseGalleryInfo,
+) = with(context) {
+    if (isAtLeastT) {
+        requestPermission(Manifest.permission.POST_NOTIFICATIONS)
+    }
+    val (toStart, toAdd) = galleryInfos.partition { DownloadManager.containDownloadInfo(it.gid) }
+    if (toStart.isNotEmpty()) {
+        val intent = Intent(context, DownloadService::class.java)
+        intent.action = DownloadService.ACTION_START_RANGE
+        val list = toStart.mapToLongArray(GalleryInfo::gid)
+        intent.putExtra(DownloadService.KEY_GID_LIST, list)
+        ContextCompat.startForegroundService(context, intent)
+    }
+    if (toAdd.isEmpty()) {
+        return with(findActivity<MainActivity>()) {
+            showTip(R.string.added_to_download_list)
+        }
+    }
+    var justStart = forceDefault
+    var label: String? = null
+    // Get default download label
+    if (!justStart && Settings.hasDefaultDownloadLabel) {
+        label = Settings.defaultDownloadLabel
+        justStart = label == null || DownloadManager.containLabel(label)
+    }
+    // If there is no other label, just use null label
+    if (!justStart && DownloadManager.labelList.isEmpty()) {
+        justStart = true
+        label = null
+    }
+    if (justStart) {
+        // Got default label
+        for (gi in toAdd) {
+            val intent = Intent(context, DownloadService::class.java)
+            intent.action = DownloadService.ACTION_START
+            intent.putExtra(DownloadService.KEY_LABEL, label)
+            intent.putExtra(DownloadService.KEY_GALLERY_INFO, gi)
+            ContextCompat.startForegroundService(context, intent)
+        }
+        // Notify
+        with(findActivity<MainActivity>()) {
+            showTip(R.string.added_to_download_list)
+        }
+    } else {
+        // Let use chose label
+        val list = DownloadManager.labelList
+        val items = arrayOf(
+            getString(R.string.default_download_label_name),
+            *list.map { it.label }.toTypedArray(),
+        )
+        val (selected, checked) = showSelectItemWithCheckBox(
+            *items,
+            title = R.string.download,
+            checkBoxText = R.string.remember_download_label,
+        )
+        val label1 = if (selected == 0) null else items[selected].takeIf { DownloadManager.containLabel(it) }
+        // Start download
+        for (gi in toAdd) {
+            val intent = Intent(context, DownloadService::class.java)
+            intent.action = DownloadService.ACTION_START
+            intent.putExtra(DownloadService.KEY_LABEL, label1)
+            intent.putExtra(DownloadService.KEY_GALLERY_INFO, gi)
+            ContextCompat.startForegroundService(context, intent)
+        }
+        // Save settings
+        if (checked) {
+            Settings.hasDefaultDownloadLabel = true
+            Settings.defaultDownloadLabel = label1
+        } else {
+            Settings.hasDefaultDownloadLabel = false
+        }
+        with(context.findActivity<MainActivity>()) {
+            showTip(R.string.added_to_download_list)
+        }
+    }
+}
+
 suspend fun DialogState.modifyFavorites(galleryInfo: BaseGalleryInfo): Boolean {
     val localFavorited = EhDB.containLocalFavorites(galleryInfo.gid)
     if (EhCookieStore.hasSignedIn()) {
@@ -285,7 +262,10 @@ private suspend fun doModifyFavorites(
     return add
 }
 
-suspend fun removeFromFavorites(galleryInfo: BaseGalleryInfo) = doModifyFavorites(galleryInfo)
+suspend fun removeFromFavorites(galleryInfo: BaseGalleryInfo) = doModifyFavorites(
+    galleryInfo = galleryInfo,
+    localFavorited = EhDB.containLocalFavorites(galleryInfo.gid),
+)
 
 fun Context.navToReader(info: BaseGalleryInfo, page: Int = -1) {
     val intent = Intent(this, ReaderActivity::class.java)
@@ -314,30 +294,30 @@ suspend fun DialogState.doGalleryInfoAction(info: BaseGalleryInfo, context: Cont
             title = EhUtils.getSuitableTitle(info),
         )
     }
-    with(requireActivity<MainActivity>(context)) {
+    with(context.findActivity<MainActivity>()) {
         when (selected) {
             0 -> navToReader(info)
             1 -> withUIContext {
                 if (downloaded) {
                     confirmRemoveDownload(info)
                 } else {
-                    CommonOperations.startDownload(this@with, info, false)
+                    startDownload(context, false, info)
                 }
             }
 
             2 -> if (favourite) {
                 runSuspendCatching {
                     removeFromFavorites(info)
-                    showTip(R.string.remove_from_favorite_success, BaseScene.LENGTH_SHORT)
+                    showTip(R.string.remove_from_favorite_success)
                 }.onFailure {
-                    showTip(R.string.remove_from_favorite_failure, BaseScene.LENGTH_LONG)
+                    showTip(R.string.remove_from_favorite_failure)
                 }
             } else {
                 runSuspendCatching {
                     modifyFavorites(info)
-                    showTip(R.string.add_to_favorite_success, BaseScene.LENGTH_SHORT)
+                    showTip(R.string.add_to_favorite_success)
                 }.onFailure {
-                    showTip(R.string.add_to_favorite_failure, BaseScene.LENGTH_LONG)
+                    showTip(R.string.add_to_favorite_failure)
                 }
             }
 
@@ -352,17 +332,22 @@ private const val MAX_FAVNOTE_CHAR = 200
 suspend fun DialogState.confirmRemoveDownload(info: GalleryInfo, onDismiss: () -> Unit = {}) {
     var checked by mutableStateOf(Settings.removeImageFiles)
     awaitPermissionOrCancel(
-        confirmText = android.R.string.ok,
-        dismissText = android.R.string.cancel,
         title = R.string.download_remove_dialog_title,
         onDismiss = onDismiss,
         text = {
             Column {
-                Text(text = stringResource(id = R.string.download_remove_dialog_message, info.title.orEmpty()))
-                Row(verticalAlignment = Alignment.CenterVertically) {
-                    Checkbox(checked = checked, onCheckedChange = { checked = it })
-                    Text(text = stringResource(id = R.string.download_remove_dialog_check_text))
-                }
+                Text(
+                    text = stringResource(id = R.string.download_remove_dialog_message, info.title.orEmpty()),
+                    style = MaterialTheme.typography.titleMedium,
+                )
+                Spacer(modifier = Modifier.height(16.dp))
+                LabeledCheckbox(
+                    modifier = Modifier.fillMaxWidth(),
+                    checked = checked,
+                    onCheckedChange = { checked = it },
+                    label = stringResource(id = R.string.download_remove_dialog_check_text),
+                    indication = null,
+                )
             }
         },
     )
@@ -372,6 +357,43 @@ suspend fun DialogState.confirmRemoveDownload(info: GalleryInfo, onDismiss: () -
     }
 }
 
+suspend fun DialogState.confirmRemoveDownloadRange(list: Collection<DownloadInfo>) {
+    var checked by mutableStateOf(Settings.removeImageFiles)
+    awaitPermissionOrCancel(
+        title = R.string.download_remove_dialog_title,
+        text = {
+            Column {
+                Text(
+                    text = stringResource(id = R.string.download_remove_dialog_message_2, list.size),
+                    style = MaterialTheme.typography.titleMedium,
+                )
+                Spacer(modifier = Modifier.height(16.dp))
+                LabeledCheckbox(
+                    modifier = Modifier.fillMaxWidth(),
+                    checked = checked,
+                    onCheckedChange = { checked = it },
+                    label = stringResource(id = R.string.download_remove_dialog_check_text),
+                    indication = null,
+                )
+            }
+        },
+    )
+    Settings.removeImageFiles = checked
+    withIOContext {
+        // Delete
+        DownloadManager.deleteRangeDownload(list.mapToLongArray(DownloadInfo::gid))
+        // Delete image files
+        if (checked) {
+            list.forEach { info ->
+                // Delete file
+                info.downloadDir?.delete()
+                // Remove download path
+                EhDB.removeDownloadDirname(info.gid)
+            }
+        }
+    }
+}
+
 suspend fun DialogState.showMoveDownloadLabel(info: GalleryInfo) {
     val defaultLabel = appCtx.getString(R.string.default_download_label_name)
     val labels = DownloadManager.labelList.map { it.label }.toTypedArray()
@@ -380,3 +402,33 @@ suspend fun DialogState.showMoveDownloadLabel(info: GalleryInfo) {
     val label = if (selected == 0) null else labels[selected - 1]
     withUIContext { DownloadManager.changeLabel(listOf(downloadInfo), label) }
 }
+
+suspend fun DialogState.showMoveDownloadLabelList(list: Collection<DownloadInfo>): String? {
+    val defaultLabel = appCtx.getString(R.string.default_download_label_name)
+    val labels = DownloadManager.labelList.map { it.label }.toTypedArray()
+    val selected = showSelectItem(defaultLabel, *labels, title = R.string.download_move_dialog_title)
+    val label = if (selected == 0) null else labels[selected - 1]
+    withUIContext { DownloadManager.changeLabel(list, label) }
+    return label
+}
+
+suspend fun DialogState.showDatePicker(): String? {
+    val initial = LocalDate(2007, 3, 21)
+    val yesterday = Clock.System.todayIn(TimeZone.UTC).minus(1, DateTimeUnit.DAY)
+    val initialMillis = initial.toEpochMillis()
+    val yesterdayMillis = yesterday.toEpochMillis()
+    val dateRange = initialMillis..yesterdayMillis
+    val dateMillis = showDatePicker(
+        title = R.string.go_to,
+        yearRange = initial.year..yesterday.year,
+        selectableDates = object : SelectableDates {
+            override fun isSelectableDate(utcTimeMillis: Long): Boolean {
+                return utcTimeMillis in dateRange
+            }
+        },
+    )
+    val date = dateMillis?.let {
+        kotlinx.datetime.Instant.fromEpochMilliseconds(it).toLocalDateTime(TimeZone.UTC).date.toString()
+    }
+    return date
+}

app/src/main/kotlin/com/hippo/ehviewer/ui/ConfigureActivity.kt

@@ -1,126 +1,51 @@
 package com.hippo.ehviewer.ui
 
+import android.app.Activity
 import android.os.Bundle
-import androidx.compose.animation.AnimatedContentTransitionScope
-import androidx.compose.animation.core.tween
-import androidx.compose.animation.fadeIn
-import androidx.compose.animation.fadeOut
 import androidx.compose.foundation.layout.imePadding
 import androidx.compose.material3.windowsizeclass.calculateWindowSizeClass
+import androidx.compose.runtime.Composable
 import androidx.compose.runtime.CompositionLocalProvider
 import androidx.compose.runtime.SideEffect
-import androidx.compose.runtime.compositionLocalOf
 import androidx.compose.ui.Modifier
-import androidx.core.view.WindowCompat
-import androidx.navigation.NavController
-import androidx.navigation.compose.NavHost
-import androidx.navigation.compose.composable
-import androidx.navigation.compose.rememberNavController
+import androidx.compose.ui.platform.LocalContext
 import com.hippo.ehviewer.Settings
 import com.hippo.ehviewer.client.EhCookieStore
-import com.hippo.ehviewer.ui.login.CookieSignInScene
-import com.hippo.ehviewer.ui.login.SelectSiteScreen
-import com.hippo.ehviewer.ui.login.SignInScreen
-import com.hippo.ehviewer.ui.login.WebViewSignInScreen
-import com.hippo.ehviewer.ui.settings.AboutScreen
-import com.hippo.ehviewer.ui.settings.AdvancedScreen
-import com.hippo.ehviewer.ui.settings.BaseScreen
-import com.hippo.ehviewer.ui.settings.DownloadScreen
-import com.hippo.ehviewer.ui.settings.EhScreen
-import com.hippo.ehviewer.ui.settings.FilterScreen
-import com.hippo.ehviewer.ui.settings.LicenseScreen
-import com.hippo.ehviewer.ui.settings.MyTagsScreen
-import com.hippo.ehviewer.ui.settings.PrivacyScreen
-import com.hippo.ehviewer.ui.settings.UConfigScreen
+import com.hippo.ehviewer.ui.destinations.BaseScreenDestination
+import com.hippo.ehviewer.ui.destinations.SelectSiteScreenDestination
+import com.hippo.ehviewer.ui.destinations.SignInScreenDestination
+import com.hippo.ehviewer.ui.tools.LocalWindowSizeClass
+import com.hippo.ehviewer.util.findActivity
+import com.ramcosta.composedestinations.DestinationsNavHost
+import com.ramcosta.composedestinations.annotation.Destination
+import com.ramcosta.composedestinations.rememberNavHostEngine
 
 class ConfigureActivity : EhActivity() {
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
-        WindowCompat.setDecorFitsSystemWindows(window, false)
         setMD3Content {
-            val navController = rememberNavController()
             val windowSizeClass = calculateWindowSizeClass(this)
-            CompositionLocalProvider(LocalNavController provides navController) {
-                NavHost(
-                    navController = navController,
-                    startDestination = if (Settings.needSignIn) {
-                        if (EhCookieStore.hasSignedIn()) SELECT_SITE_ROUTE_NAME else SIGN_IN_ROUTE_NAME
-                    } else {
-                        BASE_SETTINGS_SCREEN
-                    },
+            CompositionLocalProvider(LocalWindowSizeClass provides windowSizeClass) {
+                DestinationsNavHost(
+                    navGraph = NavGraphs.root,
                     modifier = Modifier.imePadding(),
-                    enterTransition = { slideIntoContainer(AnimatedContentTransitionScope.SlideDirection.Up, tween(200)) },
-                    exitTransition = { fadeOut(tween(200)) },
-                    popEnterTransition = { fadeIn(tween(200)) },
-                    popExitTransition = { slideOutOfContainer(AnimatedContentTransitionScope.SlideDirection.Down, tween(200)) },
-                ) {
-                    composable(SIGN_IN_ROUTE_NAME) {
-                        SignInScreen(windowSizeClass)
-                    }
-                    composable(WEBVIEW_SIGN_IN_ROUTE_NAME) {
-                        WebViewSignInScreen()
-                    }
-                    composable(COOKIE_SIGN_IN_ROUTE_NAME) {
-                        CookieSignInScene(windowSizeClass)
-                    }
-                    composable(SELECT_SITE_ROUTE_NAME) {
-                        SelectSiteScreen()
-                    }
-                    composable(BASE_SETTINGS_SCREEN) {
-                        BaseScreen()
-                    }
-                    composable(ABOUT_SETTINGS_SCREEN) {
-                        AboutScreen()
-                    }
-                    composable(LICENSE_SCREEN) {
-                        LicenseScreen()
-                    }
-                    composable(PRIVACY_SETTINGS_SCREEN) {
-                        PrivacyScreen()
-                    }
-                    composable(ADVANCED_SETTINGS_SCREEN) {
-                        AdvancedScreen()
-                    }
-                    composable(DOWNLOAD_SETTINGS_SCREEN) {
-                        DownloadScreen()
-                    }
-                    composable(EH_SETTINGS_SCREEN) {
-                        EhScreen()
-                    }
-                    composable(UCONFIG_SCREEN) {
-                        UConfigScreen()
-                    }
-                    composable(MYTAGS_SCREEN) {
-                        MyTagsScreen()
-                    }
-                    composable(FILTER_SCREEN) {
-                        FilterScreen()
-                    }
-                    composable(FINISH_ROUTE_NAME) {
-                        SideEffect {
-                            finish()
-                        }
-                    }
-                }
+                    startRoute = if (Settings.needSignIn) {
+                        if (EhCookieStore.hasSignedIn()) SelectSiteScreenDestination else SignInScreenDestination
+                    } else {
+                        BaseScreenDestination
+                    },
+                    engine = rememberNavHostEngine(rootDefaultAnimations = ehNavAnim),
+                )
             }
         }
     }
 }
 
-val LocalNavController = compositionLocalOf<NavController> { error("CompositionLocal LocalNavController not present!") }
-
-const val BASE_SETTINGS_SCREEN = "Base"
-const val EH_SETTINGS_SCREEN = "Eh"
-const val DOWNLOAD_SETTINGS_SCREEN = "Download"
-const val PRIVACY_SETTINGS_SCREEN = "Privacy"
-const val ADVANCED_SETTINGS_SCREEN = "Advanced"
-const val ABOUT_SETTINGS_SCREEN = "About"
-const val LICENSE_SCREEN = "License"
-const val UCONFIG_SCREEN = "UConfig"
-const val MYTAGS_SCREEN = "Mytags"
-const val FILTER_SCREEN = "Filter"
-const val SIGN_IN_ROUTE_NAME = "SignIn"
-const val WEBVIEW_SIGN_IN_ROUTE_NAME = "WebViewSignIn"
-const val COOKIE_SIGN_IN_ROUTE_NAME = "CookieSignIn"
-const val SELECT_SITE_ROUTE_NAME = "SelectSite"
-const val FINISH_ROUTE_NAME = "Finish"
+@Destination
+@Composable
+fun Finish() {
+    val context = LocalContext.current
+    SideEffect {
+        context.findActivity<Activity>().finish()
+    }
+}

app/src/main/kotlin/com/hippo/ehviewer/ui/EhActivity.kt

@@ -17,6 +17,7 @@ package com.hippo.ehviewer.ui
 
 import android.content.res.Resources.Theme
 import android.os.Bundle
+import androidx.activity.enableEdgeToEdge
 import androidx.annotation.StyleRes
 import androidx.appcompat.app.AppCompatActivity
 import androidx.navigation.ActivityNavigator
@@ -24,8 +25,6 @@ import com.hippo.ehviewer.R
 import com.hippo.ehviewer.Settings
 import eu.kanade.tachiyomi.util.system.isNightMode
 import eu.kanade.tachiyomi.util.view.setSecureScreen
-import rikka.insets.WindowInsetsHelper
-import rikka.layoutinflater.view.LayoutInflaterFactory
 
 abstract class EhActivity : AppCompatActivity() {
     @StyleRes
@@ -34,7 +33,7 @@ abstract class EhActivity : AppCompatActivity() {
     }
 
     override fun onApplyThemeResource(theme: Theme, resid: Int, first: Boolean) {
-        theme.applyStyle(resid, true)
+        super.onApplyThemeResource(theme, resid, first)
         theme.applyStyle(getThemeStyleRes(), true)
     }
 
@@ -43,8 +42,8 @@ abstract class EhActivity : AppCompatActivity() {
     }
 
     override fun onCreate(savedInstanceState: Bundle?) {
-        layoutInflater.factory2 = LayoutInflaterFactory(delegate).addOnViewCreatedListener(WindowInsetsHelper.LISTENER)
         super.onCreate(savedInstanceState)
+        enableEdgeToEdge()
     }
 
     override fun onResume() {

app/src/main/kotlin/com/hippo/ehviewer/ui/GalleryInfoBottomSheet.kt

@@ -1,19 +1,22 @@
 package com.hippo.ehviewer.ui
 
-import android.os.Bundle
-import android.view.LayoutInflater
-import android.view.ViewGroup
 import androidx.compose.foundation.clickable
 import androidx.compose.foundation.layout.Column
 import androidx.compose.foundation.layout.Row
+import androidx.compose.foundation.layout.WindowInsets
+import androidx.compose.foundation.layout.WindowInsetsSides
+import androidx.compose.foundation.layout.asPaddingValues
 import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.only
 import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.layout.systemBars
 import androidx.compose.foundation.layout.width
 import androidx.compose.foundation.lazy.LazyColumn
 import androidx.compose.foundation.lazy.itemsIndexed
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.ProvideTextStyle
 import androidx.compose.material3.Text
+import androidx.compose.runtime.Composable
 import androidx.compose.runtime.remember
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
@@ -21,8 +24,6 @@ import androidx.compose.ui.platform.LocalContext
 import androidx.compose.ui.res.dimensionResource
 import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.unit.dp
-import androidx.navigation.fragment.findNavController
-import com.google.android.material.bottomsheet.BottomSheetDialogFragment
 import com.hippo.ehviewer.R
 import com.hippo.ehviewer.Settings
 import com.hippo.ehviewer.client.EhUrl
@@ -30,9 +31,9 @@ import com.hippo.ehviewer.client.EhUtils
 import com.hippo.ehviewer.client.data.GalleryDetail
 import com.hippo.ehviewer.client.data.GalleryInfo.Companion.LOCAL_FAVORITED
 import com.hippo.ehviewer.client.thumbUrl
-import com.hippo.ehviewer.databinding.InfoSheetBinding
-import com.hippo.ehviewer.ui.scene.navWithUrl
-import com.hippo.ehviewer.util.tellClipboardWithToast
+import com.hippo.ehviewer.ui.screen.navWithUrl
+import com.hippo.ehviewer.util.addTextToClipboard
+import com.ramcosta.composedestinations.navigation.DestinationsNavigator
 
 private const val INDEX_URL = 2
 private const val INDEX_PARENT = 9
@@ -61,43 +62,39 @@ private fun GalleryDetail.generateContent() = arrayOf(
     R.string.favorite_name to favoriteName,
 )
 
-class GalleryInfoBottomSheet(private val detail: GalleryDetail) : BottomSheetDialogFragment() {
-    override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?) = InfoSheetBinding.inflate(layoutInflater, container, false).apply {
-        content.setMD3Content {
-            Column(modifier = Modifier.fillMaxWidth()) {
-                val context = LocalContext.current
-                val navController = remember { findNavController() }
-                Text(
-                    text = stringResource(id = R.string.gallery_info),
-                    modifier = Modifier.align(Alignment.CenterHorizontally),
-                    style = MaterialTheme.typography.titleLarge,
-                )
-                val data = remember(detail) { detail.generateContent() }
-                ProvideTextStyle(MaterialTheme.typography.labelLarge) {
-                    LazyColumn {
-                        itemsIndexed(data) { index, (key, content) ->
-                            Row(
-                                modifier = Modifier.padding(horizontal = dimensionResource(id = R.dimen.keyline_margin)).clickable {
-                                    if (index == INDEX_PARENT) {
-                                        if (content != null) {
-                                            navController.navWithUrl(content)
-                                        }
-                                    } else {
-                                        context tellClipboardWithToast content
-                                        if (index == INDEX_URL) {
-                                            // Save it to avoid detect the gallery
-                                            Settings.clipboardTextHashCode = data[index].hashCode()
-                                        }
-                                    }
-                                }.fillMaxWidth(),
-                            ) {
-                                Text(stringResource(id = key), modifier = Modifier.width(90.dp).padding(8.dp))
-                                Text(content.orEmpty(), modifier = Modifier.padding(8.dp))
+@Composable
+fun GalleryInfoBottomSheet(detail: GalleryDetail, navigator: DestinationsNavigator) {
+    Column(modifier = Modifier.fillMaxWidth()) {
+        val context = LocalContext.current
+        Text(
+            text = stringResource(id = R.string.gallery_info),
+            modifier = Modifier.align(Alignment.CenterHorizontally),
+            style = MaterialTheme.typography.titleLarge,
+        )
+        val data = remember(detail) { detail.generateContent() }
+        ProvideTextStyle(MaterialTheme.typography.labelLarge) {
+            LazyColumn(contentPadding = WindowInsets.systemBars.only(WindowInsetsSides.Bottom).asPaddingValues()) {
+                itemsIndexed(data) { index, (key, content) ->
+                    Row(
+                        modifier = Modifier.padding(horizontal = dimensionResource(id = R.dimen.keyline_margin)).clickable {
+                            if (index == INDEX_PARENT) {
+                                if (content != null) {
+                                    navigator.navWithUrl(content)
+                                }
+                            } else {
+                                context.addTextToClipboard(content, true)
+                                if (index == INDEX_URL) {
+                                    // Save it to avoid detect the gallery
+                                    Settings.clipboardTextHashCode = data[index].hashCode()
+                                }
                             }
-                        }
+                        }.fillMaxWidth(),
+                    ) {
+                        Text(stringResource(id = key), modifier = Modifier.width(90.dp).padding(8.dp))
+                        Text(content.orEmpty(), modifier = Modifier.padding(8.dp))
                     }
                 }
             }
         }
-    }.root
+    }
 }

app/src/main/kotlin/com/hippo/ehviewer/ui/MainActivity.kt

@@ -26,59 +26,150 @@ import android.graphics.Bitmap
 import android.net.Uri
 import android.os.Build
 import android.os.Bundle
-import android.view.View
 import android.widget.Toast
-import androidx.activity.OnBackPressedCallback
-import androidx.activity.result.contract.ActivityResultContracts
 import androidx.annotation.RequiresApi
 import androidx.annotation.StringRes
+import androidx.compose.foundation.Image
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.ColumnScope
+import androidx.compose.foundation.layout.WindowInsets
+import androidx.compose.foundation.layout.WindowInsetsSides
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.only
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.layout.systemBars
+import androidx.compose.foundation.layout.widthIn
+import androidx.compose.foundation.layout.windowInsetsPadding
+import androidx.compose.foundation.rememberScrollState
+import androidx.compose.foundation.shape.CornerSize
+import androidx.compose.foundation.verticalScroll
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.filled.Download
+import androidx.compose.material.icons.filled.Favorite
+import androidx.compose.material.icons.filled.FormatListNumbered
+import androidx.compose.material.icons.filled.History
+import androidx.compose.material.icons.filled.Home
+import androidx.compose.material.icons.filled.Settings
+import androidx.compose.material.icons.filled.Whatshot
+import androidx.compose.material3.DrawerState2
+import androidx.compose.material3.DrawerValue
+import androidx.compose.material3.Icon
+import androidx.compose.material3.ModalDrawerSheet
+import androidx.compose.material3.ModalNavigationDrawer
+import androidx.compose.material3.NavigationDrawerItem
+import androidx.compose.material3.Scaffold
+import androidx.compose.material3.ShapeDefaults
+import androidx.compose.material3.SideDrawer
+import androidx.compose.material3.SnackbarHost
+import androidx.compose.material3.SnackbarHostState
+import androidx.compose.material3.SnackbarResult
+import androidx.compose.material3.Text
+import androidx.compose.material3.rememberDrawerState
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.CompositionLocalProvider
+import androidx.compose.runtime.DisposableEffect
+import androidx.compose.runtime.LaunchedEffect
+import androidx.compose.runtime.compositionLocalOf
+import androidx.compose.runtime.currentCompositeKeyHash
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateListOf
+import androidx.compose.runtime.remember
+import androidx.compose.runtime.rememberCoroutineScope
+import androidx.compose.runtime.rememberUpdatedState
+import androidx.compose.runtime.snapshots.SnapshotStateList
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.layout.ContentScale
+import androidx.compose.ui.platform.LocalConfiguration
+import androidx.compose.ui.platform.LocalViewConfiguration
+import androidx.compose.ui.res.painterResource
+import androidx.compose.ui.res.stringResource
+import androidx.compose.ui.unit.dp
 import androidx.core.splashscreen.SplashScreen.Companion.installSplashScreen
-import androidx.customview.widget.Openable
-import androidx.drawerlayout.widget.DrawerLayout
-import androidx.lifecycle.lifecycleScope
-import androidx.navigation.NavController
-import androidx.navigation.fragment.NavHostFragment
-import androidx.navigation.ui.NavigationUI
-import androidx.navigation.ui.onNavDestinationSelected2
-import androidx.navigation.ui.setupWithNavController
-import com.google.android.material.bottomsheet.BottomSheetBehavior
-import com.google.android.material.snackbar.Snackbar
+import androidx.lifecycle.compose.LifecycleResumeEffect
+import androidx.navigation.compose.rememberNavController
 import com.hippo.ehviewer.R
 import com.hippo.ehviewer.Settings
-import com.hippo.ehviewer.Settings.launchPage
-import com.hippo.ehviewer.client.EhUtils
 import com.hippo.ehviewer.client.data.ListUrlBuilder
 import com.hippo.ehviewer.client.parser.GalleryDetailUrlParser
 import com.hippo.ehviewer.client.parser.GalleryPageUrlParser
-import com.hippo.ehviewer.databinding.ActivityMainBinding
+import com.hippo.ehviewer.collectAsState
 import com.hippo.ehviewer.download.DownloadService
 import com.hippo.ehviewer.download.downloadLocation
+import com.hippo.ehviewer.icons.EhIcons
+import com.hippo.ehviewer.icons.filled.Subscriptions
 import com.hippo.ehviewer.image.Image.Companion.decodeBitmap
+import com.hippo.ehviewer.ui.destinations.DownloadsScreenDestination
+import com.hippo.ehviewer.ui.destinations.FavouritesScreenDestination
+import com.hippo.ehviewer.ui.destinations.GalleryDetailScreenDestination
+import com.hippo.ehviewer.ui.destinations.GalleryListScreenDestination
+import com.hippo.ehviewer.ui.destinations.HistoryScreenDestination
+import com.hippo.ehviewer.ui.destinations.HomePageScreenDestination
+import com.hippo.ehviewer.ui.destinations.ProgressScreenDestination
+import com.hippo.ehviewer.ui.destinations.SubscriptionScreenDestination
+import com.hippo.ehviewer.ui.destinations.ToplistScreenDestination
+import com.hippo.ehviewer.ui.destinations.WhatshotScreenDestination
 import com.hippo.ehviewer.ui.legacy.BaseDialogBuilder
-import com.hippo.ehviewer.ui.legacy.EditTextDialogBuilder
-import com.hippo.ehviewer.ui.scene.BaseScene
-import com.hippo.ehviewer.ui.scene.GalleryDetailScene
-import com.hippo.ehviewer.ui.scene.GalleryListScene
-import com.hippo.ehviewer.ui.scene.GalleryListScene.Companion.toStartArgs
-import com.hippo.ehviewer.ui.scene.ProgressScene
-import com.hippo.ehviewer.ui.scene.navAnimated
-import com.hippo.ehviewer.ui.scene.navWithUrl
+import com.hippo.ehviewer.ui.screen.TokenArgs
+import com.hippo.ehviewer.ui.screen.navWithUrl
+import com.hippo.ehviewer.ui.screen.navigate
+import com.hippo.ehviewer.ui.settings.showNewVersion
+import com.hippo.ehviewer.ui.tools.IconFix
+import com.hippo.ehviewer.ui.tools.LocalDialogState
+import com.hippo.ehviewer.ui.tools.LocalTouchSlopProvider
+import com.hippo.ehviewer.updater.AppUpdater
 import com.hippo.ehviewer.util.AppConfig
+import com.hippo.ehviewer.util.ExceptionUtils
 import com.hippo.ehviewer.util.addTextToClipboard
 import com.hippo.ehviewer.util.getParcelableExtraCompat
 import com.hippo.ehviewer.util.getUrlFromClipboard
-import eu.kanade.tachiyomi.util.lang.launchUI
-import eu.kanade.tachiyomi.util.lang.withUIContext
-import kotlinx.coroutines.delay
-import kotlinx.coroutines.launch
-import splitties.systemservices.clipboardManager
-import splitties.systemservices.connectivityManager
+import com.hippo.ehviewer.util.isAtLeastQ
+import com.ramcosta.composedestinations.DestinationsNavHost
+import com.ramcosta.composedestinations.rememberNavHostEngine
+import com.ramcosta.composedestinations.utils.currentDestinationAsState
+import eu.kanade.tachiyomi.util.lang.withIOContext
 import java.io.File
 import java.io.FileOutputStream
+import kotlinx.coroutines.delay
+import kotlinx.coroutines.flow.MutableSharedFlow
+import kotlinx.coroutines.flow.collectLatest
+import kotlinx.coroutines.launch
+import moe.tarsin.coroutines.runSuspendCatching
+import splitties.systemservices.clipboardManager
+import splitties.systemservices.connectivityManager
+
+private val navItems = arrayOf(
+    Triple(HomePageScreenDestination, R.string.homepage, Icons.Default.Home),
+    Triple(SubscriptionScreenDestination, R.string.subscription, EhIcons.Default.Subscriptions),
+    Triple(WhatshotScreenDestination, R.string.whats_hot, Icons.Default.Whatshot),
+    Triple(ToplistScreenDestination, R.string.toplist, Icons.Default.FormatListNumbered),
+    Triple(FavouritesScreenDestination, R.string.favourite, Icons.Default.Favorite),
+    Triple(HistoryScreenDestination, R.string.history, Icons.Default.History),
+    Triple(DownloadsScreenDestination, R.string.downloads, Icons.Default.Download),
+)
 
 class MainActivity : EhActivity() {
-    private lateinit var binding: ActivityMainBinding
-    private lateinit var navController: NavController
+    private val sideSheet = mutableStateListOf<@Composable ColumnScope.(DrawerState2) -> Unit>()
+
+    @Composable
+    fun ProvideSideSheetContent(content: @Composable ColumnScope.(DrawerState2) -> Unit) {
+        DisposableEffect(content) {
+            sideSheet.add(0, content)
+            onDispose { sideSheet.remove(content) }
+        }
+    }
+
+    private var shareUrl: String? = null
+
+    @Composable
+    fun ProvideAssistContent(url: String) {
+        val urlState by rememberUpdatedState(url)
+        DisposableEffect(urlState) {
+            shareUrl = urlState
+            onDispose {
+                shareUrl = null
+            }
+        }
+    }
 
     private fun saveImageToTempFile(uri: Uri): File? {
         val bitmap = runCatching {
@@ -94,134 +185,231 @@ class MainActivity : EhActivity() {
         }
     }
 
-    override fun onNewIntent(intent: Intent?) {
+    override fun onNewIntent(intent: Intent) {
         super.onNewIntent(intent)
-        lifecycleScope.launchUI {
-            if (!handleIntent(intent)) {
-                if (intent != null && Intent.ACTION_VIEW == intent.action) {
-                    if (intent.data != null) {
-                        val url = intent.data.toString()
-                        EditTextDialogBuilder(this@MainActivity, url, "")
-                            .setTitle(R.string.error_cannot_parse_the_url)
-                            .setPositiveButton(android.R.string.copy) { _: DialogInterface?, _: Int ->
-                                this@MainActivity.addTextToClipboard(
-                                    url,
-                                    false,
-                                )
-                            }
-                            .show()
-                    }
-                }
-            }
-        }
+        intentFlow.tryEmit(intent)
     }
 
-    private fun handleIntent(intent: Intent?): Boolean {
-        when (intent?.action) {
-            Intent.ACTION_VIEW -> {
-                val uri = intent.data ?: return false
-                return navController.navWithUrl(uri.toString())
+    private val tipFlow = MutableSharedFlow<String>(extraBufferCapacity = 1)
+    private val intentFlow = MutableSharedFlow<Intent>(extraBufferCapacity = 4)
+
+    @SuppressLint("UnusedMaterial3ScaffoldPaddingParameter")
+    override fun onCreate(savedInstanceState: Bundle?) {
+        installSplashScreen()
+        super.onCreate(savedInstanceState)
+        setMD3Content {
+            val configuration = LocalConfiguration.current
+            val dialogState = LocalDialogState.current
+            val navDrawerState = rememberDrawerState(DrawerValue.Closed)
+            val sideSheetState = rememberDrawerState(DrawerValue.Closed)
+            val scope = rememberCoroutineScope()
+            val navController = rememberNavController()
+            fun closeDrawer(callback: () -> Unit = {}) = scope.launch {
+                navDrawerState.close()
+                callback()
             }
 
-            Intent.ACTION_SEND -> {
-                val type = intent.type
-                if ("text/plain" == type) {
-                    val builder = ListUrlBuilder()
-                    builder.keyword = intent.getStringExtra(Intent.EXTRA_TEXT)
-                    navController.navAnimated(
-                        R.id.galleryListScene,
-                        builder.toStartArgs(),
-                    )
-                    return true
-                } else if (type != null && type.startsWith("image/")) {
-                    val uri = intent.getParcelableExtraCompat<Uri>(Intent.EXTRA_STREAM)
-                    if (null != uri) {
-                        val temp = saveImageToTempFile(uri)
-                        if (null != temp) {
-                            val builder = ListUrlBuilder()
-                            builder.mode = ListUrlBuilder.MODE_IMAGE_SEARCH
-                            builder.imagePath = temp.path
-                            builder.isUseSimilarityScan = true
-                            navController.navAnimated(
-                                R.id.galleryListScene,
-                                builder.toStartArgs(),
-                            )
-                            return true
+            val cannotParse = stringResource(R.string.error_cannot_parse_the_url)
+            LaunchedEffect(Unit) {
+                intentFlow.collect {
+                    when (intent?.action) {
+                        Intent.ACTION_VIEW -> {
+                            val url = intent.data?.toString()
+                            if (url != null && !navController.navWithUrl(url)) {
+                                val new = dialogState.awaitInputText(initial = url, title = cannotParse)
+                                addTextToClipboard(new)
+                            }
+                        }
+                        Intent.ACTION_SEND -> {
+                            val type = intent.type
+                            if ("text/plain" == type) {
+                                val keyword = intent.getStringExtra(Intent.EXTRA_TEXT)
+                                navController.navigate(GalleryListScreenDestination(ListUrlBuilder(mKeyword = keyword)))
+                            } else if (type != null && type.startsWith("image/")) {
+                                val uri = intent.getParcelableExtraCompat<Uri>(Intent.EXTRA_STREAM)
+                                if (null != uri) {
+                                    val temp = saveImageToTempFile(uri)
+                                    if (null != temp) {
+                                        val builder = ListUrlBuilder(
+                                            mode = ListUrlBuilder.MODE_IMAGE_SEARCH,
+                                            imagePath = temp.path,
+                                            isUseSimilarityScan = true,
+                                        )
+                                        navController.navigate(GalleryListScreenDestination(builder))
+                                    }
+                                }
+                            }
+                        }
+                        DownloadService.ACTION_START_DOWNLOADSCENE -> {
+                            val args = intent.getBundleExtra(DownloadService.ACTION_START_DOWNLOADSCENE_ARGS)
+                            navController.navigate(DownloadsScreenDestination)
                         }
                     }
                 }
             }
 
-            DownloadService.ACTION_START_DOWNLOADSCENE -> {
-                val args = intent.getBundleExtra(DownloadService.ACTION_START_DOWNLOADSCENE_ARGS)
-                navController.navAnimated(R.id.nav_downloads, args)
-            }
-        }
-
-        return false
-    }
-
-    private fun setNavGraph() {
-        navController.apply {
-            graph = navInflater.inflate(R.navigation.nav_graph).apply {
-                when (
-                    when (val value = launchPage) {
-                        0 -> GalleryListScene.ACTION_HOMEPAGE
-                        1 -> GalleryListScene.ACTION_SUBSCRIPTION
-                        2 -> GalleryListScene.ACTION_WHATS_HOT
-                        3 -> GalleryListScene.ACTION_TOP_LIST
-                        else -> throw IllegalStateException("Unexpected value: $value")
+            LaunchedEffect(Unit) {
+                runSuspendCatching {
+                    withIOContext {
+                        AppUpdater.checkForUpdate()?.let {
+                            dialogState.showNewVersion(this@MainActivity, it)
+                        }
                     }
-                ) {
-                    GalleryListScene.ACTION_HOMEPAGE -> setStartDestination(R.id.nav_homepage)
-                    GalleryListScene.ACTION_SUBSCRIPTION -> setStartDestination(R.id.nav_subscription)
-                    GalleryListScene.ACTION_WHATS_HOT -> setStartDestination(R.id.nav_whats_hot)
-                    GalleryListScene.ACTION_TOP_LIST -> setStartDestination(R.id.nav_toplist)
+                }.onFailure {
+                    showTip(getString(R.string.update_failed, ExceptionUtils.getReadableString(it)))
                 }
             }
-        }
-    }
-
-    override fun onCreate(savedInstanceState: Bundle?) {
-        installSplashScreen()
-        super.onCreate(savedInstanceState)
-        binding = ActivityMainBinding.inflate(layoutInflater)
-        setContentView(binding.root)
-        val navHostFragment =
-            supportFragmentManager.findFragmentById(R.id.fragment_container) as NavHostFragment
-        navController = navHostFragment.navController
-        if (!EhUtils.needSignedIn()) setNavGraph()
-        binding.drawView.addDrawerListener(mDrawerOnBackPressedCallback)
-        binding.navView.setupWithNavController(navController)
-
-        // Trick: Tweak NavigationUI to disable multiple backstack
-        binding.navView.setNavigationItemSelectedListener {
-            val navigationView = binding.navView
-            val handled = navigationView.checkedItem?.itemId == it.itemId || onNavDestinationSelected2(it, navController)
-            if (handled) {
-                val parent = navigationView.parent
-                if (parent is Openable) {
-                    parent.close()
-                } else {
-                    @SuppressLint("RestrictedApi")
-                    val bottomSheetBehavior = NavigationUI.findBottomSheetBehavior(navigationView)
-                    if (bottomSheetBehavior != null) {
-                        bottomSheetBehavior.state = BottomSheetBehavior.STATE_HIDDEN
+            val snackbarState = remember { SnackbarHostState() }
+            LaunchedEffect(Unit) {
+                tipFlow.collectLatest {
+                    snackbarState.showSnackbar(it)
+                }
+            }
+            val warning = stringResource(R.string.metered_network_warning)
+            val settings = stringResource(R.string.settings)
+            val checkMeteredNetwork by Settings.meteredNetworkWarning.collectAsState()
+            if (checkMeteredNetwork) {
+                LaunchedEffect(Unit) {
+                    if (connectivityManager.isActiveNetworkMetered) {
+                        if (isAtLeastQ) {
+                            val ret = snackbarState.showSnackbar(warning, settings)
+                            if (ret == SnackbarResult.ActionPerformed) {
+                                val panelIntent = Intent(android.provider.Settings.Panel.ACTION_INTERNET_CONNECTIVITY)
+                                startActivity(panelIntent)
+                            }
+                        } else {
+                            snackbarState.showSnackbar(warning)
+                        }
+                    }
+                }
+            }
+            val snackMessage = stringResource(R.string.clipboard_gallery_url_snack_message)
+            val snackAction = stringResource(R.string.clipboard_gallery_url_snack_action)
+            LifecycleResumeEffect {
+                scope.launch {
+                    delay(300)
+                    val text = clipboardManager.getUrlFromClipboard(applicationContext)
+                    val hashCode = text?.hashCode() ?: 0
+                    if (text != null && hashCode != 0 && Settings.clipboardTextHashCode != hashCode) {
+                        val result1 = GalleryDetailUrlParser.parse(text, false)
+                        var launch: (() -> Unit)? = null
+                        if (result1 != null) {
+                            launch = { navController.navigate(GalleryDetailScreenDestination(TokenArgs(result1.gid, result1.token))) }
+                        }
+                        val result2 = GalleryPageUrlParser.parse(text, false)
+                        if (result2 != null) {
+                            launch = { navController.navigate(ProgressScreenDestination(result2.gid, result2.pToken, result2.page)) }
+                        }
+                        launch?.let {
+                            val ret = snackbarState.showSnackbar(snackMessage, snackAction)
+                            if (ret == SnackbarResult.ActionPerformed) it()
+                        }
+                    }
+                    Settings.clipboardTextHashCode = hashCode
+                }
+                onPauseOrDispose { }
+            }
+            val currentDestination by navController.currentDestinationAsState()
+            val lockDrawerHandle = remember { mutableStateListOf<Int>() }
+            val drawerLocked = lockDrawerHandle.isNotEmpty()
+            val viewConfiguration = LocalViewConfiguration.current
+            CompositionLocalProvider(
+                LocalNavDrawerState provides navDrawerState,
+                LocalSideSheetState provides sideSheetState,
+                LocalDrawerLockHandle provides lockDrawerHandle,
+            ) {
+                Scaffold(snackbarHost = { SnackbarHost(snackbarState) }) {
+                    LocalTouchSlopProvider(Settings.touchSlopFactor.toFloat()) {
+                        ModalNavigationDrawer(
+                            drawerContent = {
+                                ModalDrawerSheet(
+                                    modifier = Modifier.widthIn(max = (configuration.screenWidthDp - 56).dp),
+                                    windowInsets = WindowInsets.systemBars.only(WindowInsetsSides.Start),
+                                ) {
+                                    val scrollState = rememberScrollState()
+                                    Column(
+                                        modifier = Modifier.verticalScroll(scrollState)
+                                            .windowInsetsPadding(WindowInsets.systemBars.only(WindowInsetsSides.Bottom)),
+                                    ) {
+                                        Image(
+                                            painter = painterResource(id = R.drawable.sadpanda_low_poly),
+                                            contentDescription = null,
+                                            modifier = Modifier.fillMaxWidth().padding(bottom = 8.dp),
+                                            contentScale = ContentScale.FillWidth,
+                                        )
+                                        navItems.forEach { (direction, stringId, icon) ->
+                                            NavigationDrawerItem(
+                                                label = {
+                                                    Text(text = stringResource(id = stringId))
+                                                },
+                                                selected = currentDestination === direction,
+                                                onClick = {
+                                                    navController.navigate(direction.route)
+                                                    closeDrawer()
+                                                },
+                                                modifier = Modifier.padding(horizontal = 12.dp),
+                                                icon = {
+                                                    IconFix(imageVector = icon, contentDescription = null)
+                                                },
+                                            )
+                                        }
+                                        NavigationDrawerItem(
+                                            label = {
+                                                Text(text = stringResource(id = R.string.settings))
+                                            },
+                                            selected = false,
+                                            onClick = {
+                                                closeDrawer { startActivity(Intent(applicationContext, ConfigureActivity::class.java)) }
+                                            },
+                                            modifier = Modifier.padding(horizontal = 12.dp),
+                                            icon = {
+                                                Icon(imageVector = Icons.Default.Settings, contentDescription = null)
+                                            },
+                                        )
+                                    }
+                                }
+                            },
+                            drawerState = navDrawerState,
+                            gesturesEnabled = !drawerLocked || navDrawerState.isOpen,
+                        ) {
+                            val sheet = sideSheet.firstOrNull()
+                            SideDrawer(
+                                drawerContent = {
+                                    if (sheet != null) {
+                                        ModalDrawerSheet(
+                                            modifier = Modifier.widthIn(max = (configuration.screenWidthDp - 112).dp),
+                                            drawerShape = ShapeDefaults.Large.copy(topEnd = CornerSize(0), bottomEnd = CornerSize(0)),
+                                            windowInsets = WindowInsets.systemBars.only(WindowInsetsSides.Top + WindowInsetsSides.End),
+                                        ) {
+                                            CompositionLocalProvider(LocalViewConfiguration provides viewConfiguration) {
+                                                sheet(sideSheetState)
+                                            }
+                                        }
+                                    }
+                                },
+                                drawerState = sideSheetState,
+                                gesturesEnabled = sheet != null && !drawerLocked,
+                            ) {
+                                CompositionLocalProvider(LocalViewConfiguration provides viewConfiguration) {
+                                    DestinationsNavHost(
+                                        navGraph = NavGraphs.root,
+                                        startRoute = navItems[Settings.launchPage].first,
+                                        engine = rememberNavHostEngine(rootDefaultAnimations = ehNavAnim),
+                                        navController = navController,
+                                    )
+                                }
+                            }
+                        }
                     }
                 }
             }
-            handled
         }
-        // Trick End
 
         if (savedInstanceState == null) {
             if (intent.action != Intent.ACTION_MAIN) {
                 onNewIntent(intent)
             }
             checkDownloadLocation()
-            if (Settings.meteredNetworkWarning) {
-                checkMeteredNetwork()
-            }
             if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) {
                 if (!Settings.appLinkVerifyTip) {
                     try {
@@ -278,161 +466,44 @@ class MainActivity : EhActivity() {
             .show()
     }
 
-    private fun checkMeteredNetwork() {
-        if (connectivityManager.isActiveNetworkMetered) {
-            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q) {
-                Snackbar.make(
-                    binding.drawView,
-                    R.string.metered_network_warning,
-                    Snackbar.LENGTH_LONG,
-                )
-                    .setAction(R.string.settings) {
-                        val panelIntent =
-                            Intent(android.provider.Settings.Panel.ACTION_INTERNET_CONNECTIVITY)
-                        startActivity(panelIntent)
-                    }
-                    .show()
-            } else {
-                showTip(R.string.metered_network_warning, BaseScene.LENGTH_LONG)
-            }
-        }
-    }
-
-    private val loginLauncher =
-        registerForActivityResult(ActivityResultContracts.StartActivityForResult()) {
-            setNavGraph()
-        }
-
     override fun onResume() {
-        if (EhUtils.needSignedIn()) {
-            loginLauncher.launch(Intent(this, ConfigureActivity::class.java))
+        if (Settings.needSignIn) {
+            startActivity(Intent(this, ConfigureActivity::class.java))
         }
         super.onResume()
-        lifecycleScope.launch {
-            delay(300)
-            mDrawerOnBackPressedCallback.remove()
-            onBackPressedDispatcher.addCallback(mDrawerOnBackPressedCallback)
-            checkClipboardUrl()
+    }
+
+    fun showTip(@StringRes id: Int, useToast: Boolean = false) {
+        showTip(getString(id), useToast)
+    }
+
+    fun showTip(message: CharSequence, useToast: Boolean = false) {
+        if (useToast || !tipFlow.tryEmit(message.toString())) {
+            Toast.makeText(this, message, Toast.LENGTH_SHORT).show()
         }
     }
 
-    private suspend fun checkClipboardUrl() {
-        val text = clipboardManager.getUrlFromClipboard(this)
-        val hashCode = text?.hashCode() ?: 0
-        if (text != null && hashCode != 0 && Settings.clipboardTextHashCode != hashCode) {
-            val result1 = GalleryDetailUrlParser.parse(text, false)
-            var launch: (() -> Unit)? = null
-            if (result1 != null) {
-                val args = Bundle()
-                args.putString(GalleryDetailScene.KEY_ACTION, GalleryDetailScene.ACTION_GID_TOKEN)
-                args.putLong(GalleryDetailScene.KEY_GID, result1.gid)
-                args.putString(GalleryDetailScene.KEY_TOKEN, result1.token)
-                launch = { navController.navAnimated(R.id.galleryDetailScene, args) }
-            }
-            val result2 = GalleryPageUrlParser.parse(text, false)
-            if (result2 != null) {
-                val args = Bundle()
-                args.putString(ProgressScene.KEY_ACTION, ProgressScene.ACTION_GALLERY_TOKEN)
-                args.putLong(ProgressScene.KEY_GID, result2.gid)
-                args.putString(ProgressScene.KEY_PTOKEN, result2.pToken)
-                args.putInt(ProgressScene.KEY_PAGE, result2.page)
-                launch = { navController.navAnimated(R.id.progressScene, args) }
-            }
-            launch?.let {
-                withUIContext {
-                    val snackbar = Snackbar.make(
-                        binding.drawView,
-                        R.string.clipboard_gallery_url_snack_message,
-                        Snackbar.LENGTH_SHORT,
-                    )
-                    snackbar.setAction(R.string.clipboard_gallery_url_snack_action) {
-                        it()
-                    }
-                    snackbar.show()
-                }
-            }
-        }
-        Settings.clipboardTextHashCode = hashCode
-    }
-
-    fun addAboveSnackView(view: View) {
-        binding.absnacker.addAboveSnackView(view)
-    }
-
-    fun removeAboveSnackView(view: View) {
-        binding.absnacker.removeAboveSnackView(view)
-    }
-
-    fun setDrawerLockMode(lockMode: Int, edgeGravity: Int) {
-        binding.drawView.setDrawerLockMode(lockMode, edgeGravity)
-    }
-
-    fun getDrawerLockMode(edgeGravity: Int): Int {
-        return binding.drawView.getDrawerLockMode(edgeGravity)
-    }
-
-    fun isDrawerOpen(drawerGravity: Int) = binding.drawView.isDrawerOpen(drawerGravity)
-
-    fun openDrawer(drawerGravity: Int) {
-        binding.drawView.openDrawer(drawerGravity)
-    }
-
-    fun closeDrawer(drawerGravity: Int) {
-        binding.drawView.closeDrawer(drawerGravity)
-    }
-
-    fun toggleDrawer(drawerGravity: Int) {
-        if (isDrawerOpen(drawerGravity)) {
-            closeDrawer(drawerGravity)
-        } else {
-            openDrawer(drawerGravity)
-        }
-    }
-
-    fun clearNavCheckedItem() {
-        binding.navView.setCheckedItem(R.id.nav_stub)
-    }
-
-    fun showTip(@StringRes id: Int, length: Int, useToast: Boolean = false) {
-        showTip(getString(id), length, useToast)
-    }
-
-    /**
-     * If activity is running, show snack bar, otherwise show toast
-     */
-    fun showTip(message: CharSequence, length: Int, useToast: Boolean = false) {
-        findViewById<View>(R.id.snackbar)?.takeUnless { useToast }?.apply {
-            Snackbar.make(
-                this,
-                message,
-                if (length == BaseScene.LENGTH_LONG) Snackbar.LENGTH_LONG else Snackbar.LENGTH_SHORT,
-            ).show()
-        } ?: Toast.makeText(
-            this,
-            message,
-            if (length == BaseScene.LENGTH_LONG) Toast.LENGTH_LONG else Toast.LENGTH_SHORT,
-        ).show()
-    }
-
-    var mShareUrl: String? = null
     override fun onProvideAssistContent(outContent: AssistContent?) {
         super.onProvideAssistContent(outContent)
-        mShareUrl?.let { outContent?.webUri = Uri.parse(mShareUrl) }
+        shareUrl?.let { outContent?.webUri = Uri.parse(shareUrl) }
+    }
+}
+
+val LocalNavDrawerState = compositionLocalOf<DrawerState2> { error("CompositionLocal LocalNavDrawerState not present!") }
+val LocalSideSheetState = compositionLocalOf<DrawerState2> { error("CompositionLocal LocalSideSheetState not present!") }
+val LocalDrawerLockHandle = compositionLocalOf<SnapshotStateList<Int>> { error("CompositionLocal LocalSideSheetState not present!") }
+
+@Composable
+fun LockDrawer(value: Boolean) {
+    val updated by rememberUpdatedState(value)
+    if (updated) {
+        val current = currentCompositeKeyHash
+        val handle = LocalDrawerLockHandle.current
+        DisposableEffect(current) {
+            handle.add(current)
+            onDispose {
+                handle.remove(current)
+            }
+        }
     }
-
-    private val mDrawerOnBackPressedCallback =
-        object : OnBackPressedCallback(false), DrawerLayout.DrawerListener {
-            val slideThreshold = 0.05
-            override fun handleOnBackPressed() {
-                binding.drawView.closeDrawers()
-            }
-
-            override fun onDrawerSlide(drawerView: View, slideOffset: Float) {
-                isEnabled = slideOffset > slideThreshold
-            }
-
-            override fun onDrawerOpened(drawerView: View) {}
-            override fun onDrawerClosed(drawerView: View) {}
-            override fun onDrawerStateChanged(newState: Int) {}
-        }
 }

app/src/main/kotlin/com/hippo/ehviewer/ui/Theme.kt

@@ -2,10 +2,43 @@ package com.hippo.ehviewer.ui
 
 import androidx.activity.ComponentActivity
 import androidx.activity.compose.setContent
+import androidx.compose.animation.core.tween
+import androidx.compose.animation.fadeIn
+import androidx.compose.animation.fadeOut
 import androidx.compose.runtime.Composable
+import androidx.compose.runtime.CompositionLocalProvider
+import androidx.compose.runtime.remember
 import androidx.compose.ui.platform.ComposeView
 import com.google.accompanist.themeadapter.material3.Mdc3Theme
+import com.hippo.ehviewer.ui.tools.DialogState
+import com.hippo.ehviewer.ui.tools.LocalDialogState
+import com.ramcosta.composedestinations.animations.defaults.RootNavGraphDefaultAnimations
 
 // To make sure compose theme and legacy view theme are in sync, we only use Mdc3Theme
-fun ComposeView.setMD3Content(content: @Composable () -> Unit) = setContent { Mdc3Theme(content = content) }
-fun ComponentActivity.setMD3Content(content: @Composable () -> Unit) = setContent { Mdc3Theme(content = content) }
+
+inline fun ComposeView.setMD3Content(crossinline content: @Composable () -> Unit) = setContent {
+    Mdc3Theme {
+        val dialogState = remember { DialogState() }
+        dialogState.Intercept()
+        CompositionLocalProvider(LocalDialogState provides dialogState) {
+            content()
+        }
+    }
+}
+
+inline fun ComponentActivity.setMD3Content(crossinline content: @Composable () -> Unit) = setContent {
+    Mdc3Theme {
+        val dialogState = remember { DialogState() }
+        dialogState.Intercept()
+        CompositionLocalProvider(LocalDialogState provides dialogState) {
+            content()
+        }
+    }
+}
+
+val ehNavAnim by lazy {
+    RootNavGraphDefaultAnimations(
+        enterTransition = { fadeIn(animationSpec = tween(500)) },
+        exitTransition = { fadeOut(animationSpec = tween(500)) },
+    )
+}

app/src/main/kotlin/com/hippo/ehviewer/ui/legacy/AboveSnackerLayout.kt

@@ -1,217 +0,0 @@
-package com.hippo.ehviewer.ui.legacy
-
-import android.annotation.SuppressLint
-import android.content.Context
-import android.util.AttributeSet
-import android.view.Gravity
-import android.view.MotionEvent
-import android.view.View
-import android.widget.FrameLayout
-import androidx.coordinatorlayout.widget.CoordinatorLayout
-import androidx.coordinatorlayout.widget.CoordinatorLayout.AttachedBehavior
-import androidx.core.util.ObjectsCompat
-import androidx.core.view.GravityCompat
-import androidx.core.view.ViewCompat
-import androidx.drawerlayout.widget.DrawerLayout
-import androidx.drawerlayout.widget.DrawerLayout.DrawerListener
-import androidx.interpolator.view.animation.FastOutSlowInInterpolator
-import com.drakeet.drawer.FullDraggableHelper
-import com.google.android.material.snackbar.Snackbar.SnackbarLayout
-import com.hippo.ehviewer.util.dp2px
-
-class AboveSnackerLayout : FrameLayout, AttachedBehavior, FullDraggableHelper.Callback {
-    private val helper: FullDraggableHelper
-    private var drawerLayout: DrawerLayout? = null
-    private var mAboveSnackViewList: MutableList<View>? = null
-
-    constructor(context: Context?, attrs: AttributeSet?) : super(context!!, attrs) {
-        helper = FullDraggableHelper(context, this)
-    }
-
-    constructor(context: Context?, attrs: AttributeSet?, defStyle: Int) :
-        super(context!!, attrs, defStyle) {
-        helper = FullDraggableHelper(context, this)
-    }
-
-    override fun onAttachedToWindow() {
-        super.onAttachedToWindow()
-        ensureDrawerLayout()
-    }
-
-    private fun ensureDrawerLayout() {
-        val parent = parent.parent
-        check(parent is DrawerLayout) { "This $this must be added to a DrawerLayout" }
-        drawerLayout = parent
-    }
-
-    override fun onInterceptTouchEvent(event: MotionEvent): Boolean {
-        return helper.onInterceptTouchEvent(event)
-    }
-
-    @SuppressLint("ClickableViewAccessibility")
-    override fun onTouchEvent(event: MotionEvent): Boolean {
-        return helper.onTouchEvent(event)
-    }
-
-    override fun getDrawerMainContainer(): View {
-        return this
-    }
-
-    override fun isDrawerOpen(gravity: Int): Boolean {
-        return drawerLayout!!.isDrawerOpen(gravity)
-    }
-
-    override fun hasEnabledDrawer(gravity: Int): Boolean {
-        return drawerLayout!!.getDrawerLockMode(gravity) == DrawerLayout.LOCK_MODE_UNLOCKED &&
-            findDrawerWithGravity(gravity) != null
-    }
-
-    override fun offsetDrawer(gravity: Int, offset: Float) {
-        setDrawerToOffset(gravity, offset)
-        drawerLayout!!.invalidate()
-    }
-
-    override fun smoothOpenDrawer(gravity: Int) {
-        drawerLayout!!.openDrawer(gravity, true)
-    }
-
-    override fun smoothCloseDrawer(gravity: Int) {
-        drawerLayout!!.closeDrawer(gravity, true)
-    }
-
-    override fun onDrawerDragging() {
-        val drawerListeners = drawerListeners
-        if (drawerListeners != null) {
-            val listenerCount = drawerListeners.size
-            for (i in listenerCount - 1 downTo 0) {
-                drawerListeners[i].onDrawerStateChanged(DrawerLayout.STATE_DRAGGING)
-            }
-        }
-    }
-
-    private val drawerListeners: List<DrawerListener>?
-        get() = try {
-            val listeners = DrawerLayout::class.java.getDeclaredField("mListeners")
-            listeners.isAccessible = true
-            listeners[drawerLayout] as List<DrawerListener>
-        } catch (e: Exception) {
-            // throw to let developer know the api is changed
-            throw RuntimeException(e)
-        }
-
-    private fun setDrawerToOffset(gravity: Int, offset: Float) {
-        val drawerView = findDrawerWithGravity(gravity)
-        val slideOffsetPercent =
-            (offset / ObjectsCompat.requireNonNull(drawerView).width).coerceIn(0f, 1f)
-        try {
-            val method = DrawerLayout::class.java.getDeclaredMethod(
-                "moveDrawerToOffset",
-                View::class.java,
-                Float::class.javaPrimitiveType,
-            )
-            method.isAccessible = true
-            method.invoke(drawerLayout, drawerView, slideOffsetPercent)
-            drawerView!!.visibility = VISIBLE
-        } catch (e: Exception) {
-            // throw to let developer know the api is changed
-            throw RuntimeException(e)
-        }
-    }
-
-    // Copied from DrawerLayout
-    private fun findDrawerWithGravity(gravity: Int): View? {
-        val absHorizontalGravity = GravityCompat.getAbsoluteGravity(
-            gravity,
-            ViewCompat.getLayoutDirection(drawerLayout!!),
-        ) and Gravity.HORIZONTAL_GRAVITY_MASK
-        val childCount = drawerLayout!!.childCount
-        for (i in 0 until childCount) {
-            val child = drawerLayout!!.getChildAt(i)
-            val childAbsGravity = getDrawerViewAbsoluteGravity(child)
-            if (childAbsGravity and Gravity.HORIZONTAL_GRAVITY_MASK == absHorizontalGravity) {
-                return child
-            }
-        }
-        return null
-    }
-
-    // Copied from DrawerLayout
-    private fun getDrawerViewAbsoluteGravity(drawerView: View): Int {
-        val gravity = (drawerView.layoutParams as DrawerLayout.LayoutParams).gravity
-        return GravityCompat.getAbsoluteGravity(
-            gravity,
-            ViewCompat.getLayoutDirection(drawerLayout!!),
-        )
-    }
-
-    fun addAboveSnackView(view: View) {
-        if (null == mAboveSnackViewList) {
-            mAboveSnackViewList = ArrayList()
-        }
-        mAboveSnackViewList!!.add(view)
-    }
-
-    fun removeAboveSnackView(view: View) {
-        if (null == mAboveSnackViewList) {
-            return
-        }
-        mAboveSnackViewList!!.remove(view)
-    }
-
-    val aboveSnackViewCount: Int
-        get() = if (null == mAboveSnackViewList) 0 else mAboveSnackViewList!!.size
-
-    fun getAboveSnackViewAt(index: Int): View? {
-        return if (null == mAboveSnackViewList || index < 0 || index >= mAboveSnackViewList!!.size) {
-            null
-        } else {
-            mAboveSnackViewList!![index]
-        }
-    }
-
-    override fun getBehavior(): Behavior {
-        return Behavior()
-    }
-
-    class Behavior : CoordinatorLayout.Behavior<AboveSnackerLayout>() {
-        override fun layoutDependsOn(
-            parent: CoordinatorLayout,
-            child: AboveSnackerLayout,
-            dependency: View,
-        ): Boolean {
-            return dependency is SnackbarLayout
-        }
-
-        override fun onDependentViewChanged(
-            parent: CoordinatorLayout,
-            child: AboveSnackerLayout,
-            dependency: View,
-        ): Boolean {
-            for (i in 0 until child.aboveSnackViewCount) {
-                val view = child.getAboveSnackViewAt(i)
-                if (view != null) {
-                    val translationY =
-                        (dependency.translationY - dependency.height - dp2px(view.context, 8f))
-                            .coerceAtMost(0f)
-                    ViewCompat.animate(view).setInterpolator(FastOutSlowInInterpolator())
-                        .translationY(translationY).setDuration(150).start()
-                }
-            }
-            return false
-        }
-
-        override fun onDependentViewRemoved(
-            parent: CoordinatorLayout,
-            child: AboveSnackerLayout,
-            dependency: View,
-        ) {
-            for (i in 0 until child.aboveSnackViewCount) {
-                val view = child.getAboveSnackViewAt(i)
-                if (view != null) {
-                    ViewCompat.animate(view).setInterpolator(FastOutSlowInInterpolator())
-                        .translationY(0f).setDuration(75).start()
-                }
-            }
-        }
-    }
-}

app/src/main/kotlin/com/hippo/ehviewer/ui/legacy/AddDeleteDrawable.kt

@@ -1,149 +0,0 @@
-/*
- * Copyright (C) 2015 Hippo Seven
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package com.hippo.ehviewer.ui.legacy
-
-import android.animation.ObjectAnimator
-import android.content.Context
-import android.graphics.Canvas
-import android.graphics.ColorFilter
-import android.graphics.Paint
-import android.graphics.Path
-import android.graphics.PixelFormat
-import android.graphics.drawable.Drawable
-import androidx.annotation.Keep
-import com.google.android.material.math.MathUtils
-import com.hippo.ehviewer.R
-import kotlin.math.roundToInt
-
-/**
- * @param context used to get the configuration for the drawable from
- */
-class AddDeleteDrawable(context: Context, color: Int) : Drawable() {
-    private val mPaint = Paint()
-    private val mPath = Path()
-    private val mSize: Int
-    private var mProgress = 0f
-    private var mAutoUpdateMirror = false
-    private var mVerticalMirror = false
-
-    init {
-        val resources = context.resources
-        mSize = resources.getDimensionPixelSize(R.dimen.add_size)
-        val barThickness = resources.getDimension(R.dimen.add_thickness).roundToInt().toFloat()
-        mPaint.color = color
-        mPaint.style = Paint.Style.STROKE
-        mPaint.strokeJoin = Paint.Join.MITER
-        mPaint.strokeCap = Paint.Cap.BUTT
-        mPaint.strokeWidth = barThickness
-        val halfSize = (mSize / 2).toFloat()
-        mPath.moveTo(0f, -halfSize)
-        mPath.lineTo(0f, halfSize)
-        mPath.moveTo(-halfSize, 0f)
-        mPath.lineTo(halfSize, 0f)
-    }
-
-    override fun draw(canvas: Canvas) {
-        val bounds = bounds
-        val canvasRotate = if (mVerticalMirror) {
-            MathUtils.lerp(270f, 135f, mProgress)
-        } else {
-            MathUtils.lerp(0f, 135f, mProgress)
-        }
-        canvas.save()
-        canvas.translate(bounds.centerX().toFloat(), bounds.centerY().toFloat())
-        canvas.rotate(canvasRotate)
-        canvas.drawPath(mPath, mPaint)
-        canvas.restore()
-    }
-
-    fun setColor(color: Int) {
-        mPaint.color = color
-        invalidateSelf()
-    }
-
-    override fun setAlpha(alpha: Int) {
-        mPaint.alpha = alpha
-    }
-
-    override fun setColorFilter(cf: ColorFilter?) {
-        mPaint.colorFilter = cf
-    }
-
-    override fun getIntrinsicHeight(): Int {
-        return mSize * 6 / 5
-    }
-
-    override fun getIntrinsicWidth(): Int {
-        return mSize * 6 / 5
-    }
-
-    /**
-     * If set, canvas is flipped when progress reached to end and going back to start.
-     */
-    private fun setVerticalMirror(verticalMirror: Boolean) {
-        mVerticalMirror = verticalMirror
-    }
-
-    fun setAutoUpdateMirror(autoUpdateMirror: Boolean) {
-        mAutoUpdateMirror = autoUpdateMirror
-    }
-
-    @get:Keep
-    @set:Keep
-    var progress: Float
-        get() = mProgress
-        set(progress) {
-            if (mAutoUpdateMirror) {
-                if (progress == 1f) {
-                    setVerticalMirror(true)
-                } else if (progress == 0f) {
-                    setVerticalMirror(false)
-                }
-            }
-            mProgress = progress
-            invalidateSelf()
-        }
-
-    fun setAdd(duration: Long) {
-        setShape(false, duration)
-    }
-
-    fun setDelete(duration: Long) {
-        setShape(true, duration)
-    }
-
-    private fun setShape(delete: Boolean, duration: Long) {
-        if (!(!delete && mProgress == 0f || delete && mProgress == 1f)) {
-            val endProgress = if (delete) 1f else 0f
-            if (duration <= 0) {
-                progress = endProgress
-            } else {
-                val oa = ObjectAnimator.ofFloat(this, "progress", endProgress)
-                oa.duration = duration
-                oa.setAutoCancel(true)
-                oa.start()
-            }
-        }
-    }
-
-    @Deprecated(
-        "Deprecated in Java",
-        ReplaceWith("PixelFormat.TRANSLUCENT", "android.graphics.PixelFormat"),
-    )
-    override fun getOpacity(): Int {
-        return PixelFormat.TRANSLUCENT
-    }
-}

app/src/main/kotlin/com/hippo/ehviewer/ui/legacy/AutoStaggeredGridLayoutManager.kt

@@ -1,112 +0,0 @@
-/*
- * Copyright 2016 Hippo Seven
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package com.hippo.ehviewer.ui.legacy
-
-import android.view.View
-import androidx.compose.runtime.Composable
-import androidx.compose.ui.platform.LocalConfiguration
-import androidx.recyclerview.widget.RecyclerView
-import androidx.recyclerview.widget.StaggeredGridLayoutManager
-import com.hippo.ehviewer.Settings
-import kotlin.math.roundToInt
-
-class AutoStaggeredGridLayoutManager(columnSize: Int, orientation: Int) :
-    StaggeredGridLayoutManager(1, orientation) {
-    private var mColumnSize = columnSize
-    private var mColumnSizeChanged = true
-    private var mStrategy = 0
-    var supportsPredictiveItemAnimations = true
-
-    fun setColumnSize(columnSize: Int) {
-        if (columnSize == mColumnSize) {
-            return
-        }
-        mColumnSize = columnSize
-        mColumnSizeChanged = true
-    }
-
-    fun setStrategy(strategy: Int) {
-        if (strategy == mStrategy) {
-            return
-        }
-        mStrategy = strategy
-        mColumnSizeChanged = true
-    }
-
-    override fun supportsPredictiveItemAnimations(): Boolean {
-        return supportsPredictiveItemAnimations && super.supportsPredictiveItemAnimations()
-    }
-
-    override fun onMeasure(
-        recycler: RecyclerView.Recycler,
-        state: RecyclerView.State,
-        widthSpec: Int,
-        heightSpec: Int,
-    ) {
-        if (mColumnSizeChanged && mColumnSize > 0) {
-            val totalSpace = if (orientation == VERTICAL) {
-                check(
-                    View.MeasureSpec.EXACTLY == View.MeasureSpec.getMode(
-                        widthSpec,
-                    ),
-                ) { "RecyclerView need a fixed width for AutoStaggeredGridLayoutManager" }
-                View.MeasureSpec.getSize(widthSpec) - paddingRight - paddingLeft
-            } else {
-                check(
-                    View.MeasureSpec.EXACTLY == View.MeasureSpec.getMode(
-                        heightSpec,
-                    ),
-                ) { "RecyclerView need a fixed height for AutoStaggeredGridLayoutManager" }
-                View.MeasureSpec.getSize(heightSpec) - paddingTop - paddingBottom
-            }
-            val spanCount = when (mStrategy) {
-                STRATEGY_MIN_SIZE -> getSpanCountForMinSize(
-                    totalSpace,
-                    mColumnSize,
-                )
-
-                STRATEGY_SUITABLE_SIZE -> getSpanCountForSuitableSize(
-                    totalSpace,
-                    mColumnSize,
-                )
-
-                else -> getSpanCountForMinSize(
-                    totalSpace,
-                    mColumnSize,
-                )
-            }
-            setSpanCount(spanCount)
-            mColumnSizeChanged = false
-        }
-        super.onMeasure(recycler, state, widthSpec, heightSpec)
-    }
-}
-
-const val STRATEGY_MIN_SIZE = 0
-const val STRATEGY_SUITABLE_SIZE = 1
-fun getSpanCountForSuitableSize(total: Int, single: Int): Int {
-    return (total / single.toFloat()).roundToInt().coerceAtLeast(1)
-}
-
-@Composable
-fun calculateSuitableSpanCount(): Int {
-    val totalSpace = LocalConfiguration.current.screenWidthDp
-    return getSpanCountForSuitableSize(totalSpace, Settings.thumbSizeDp)
-}
-
-fun getSpanCountForMinSize(total: Int, single: Int): Int {
-    return (total / single).coerceAtLeast(1)
-}

app/src/main/kotlin/com/hippo/ehviewer/ui/legacy/BringOutTransition.kt

@@ -1,46 +0,0 @@
-/*
- * Copyright (C) 2015 Hippo Seven
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package com.hippo.ehviewer.ui.legacy
-
-import android.animation.Animator
-import android.animation.AnimatorListenerAdapter
-import android.view.View
-import android.widget.FrameLayout
-
-class BringOutTransition(contentLayout: FrameLayout, mSearchLayout: SearchLayout) :
-    ViewTransition(contentLayout, mSearchLayout) {
-    override fun startAnimations(hiddenView: View, shownView: View) {
-        mAnimator1 = hiddenView.animate().alpha(0f).scaleY(0.7f).scaleX(0.7f).apply {
-            setDuration(ANIMATE_TIME).setListener(object : AnimatorListenerAdapter() {
-                override fun onAnimationEnd(animation: Animator) {
-                    hiddenView.visibility = View.GONE
-                    mAnimator1 = null
-                }
-            }).start()
-        }
-        shownView.alpha = 0f
-        shownView.scaleX = 0.7f
-        shownView.scaleY = 0.7f
-        shownView.visibility = View.VISIBLE
-        mAnimator2 = shownView.animate().alpha(1f).scaleX(1f).scaleY(1f).apply {
-            setDuration(ANIMATE_TIME).setListener(object : AnimatorListenerAdapter() {
-                override fun onAnimationEnd(animation: Animator) {
-                    mAnimator2 = null
-                }
-            }).start()
-        }
-    }
-}

app/src/main/kotlin/com/hippo/ehviewer/ui/legacy/CheckBoxDialogBuilder.kt

@@ -1,44 +0,0 @@
-/*
- * Copyright 2016 Hippo Seven
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package com.hippo.ehviewer.ui.legacy
-
-import android.content.Context
-import android.view.LayoutInflater
-import android.widget.CheckBox
-import com.hippo.ehviewer.R
-
-class CheckBoxDialogBuilder(
-    context: Context,
-    message: String?,
-    checkText: String?,
-    checked: Boolean,
-) : BaseDialogBuilder(
-    context,
-) {
-    private val mCheckBox: CheckBox
-    val isChecked: Boolean
-        get() = mCheckBox.isChecked
-
-    init {
-        val view = LayoutInflater.from(getContext()).inflate(R.layout.dialog_checkbox_builder, null)
-        setView(view)
-        setMessage(message)
-        mCheckBox = view.findViewById(R.id.checkbox)
-        mCheckBox.text = checkText
-        mCheckBox.isChecked = checked
-        view.setOnClickListener { mCheckBox.toggle() }
-    }
-}

app/src/main/kotlin/com/hippo/ehviewer/ui/legacy/DrawerView.kt

@@ -1,53 +0,0 @@
-/*
- * Copyright 2016 Hippo Seven
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package com.hippo.ehviewer.ui.legacy
-
-import android.content.Context
-import android.util.AttributeSet
-import android.widget.FrameLayout
-
-class DrawerView @JvmOverloads constructor(
-    context: Context,
-    attrs: AttributeSet? = null,
-) : FrameLayout(context, attrs) {
-    private var mMaxWidth = 0
-
-    init {
-        val a = context.obtainStyledAttributes(attrs, SIZE_ATTRS)
-        mMaxWidth = a.getDimensionPixelOffset(0, 0)
-        a.recycle()
-    }
-
-    override fun onMeasure(widthSpec: Int, heightSpec: Int) {
-        var widthSpec = widthSpec
-        when (MeasureSpec.getMode(widthSpec)) {
-            MeasureSpec.EXACTLY -> {}
-            MeasureSpec.AT_MOST -> widthSpec = MeasureSpec.makeMeasureSpec(
-                MeasureSpec.getSize(widthSpec).coerceAtMost(mMaxWidth),
-                MeasureSpec.EXACTLY,
-            )
-
-            MeasureSpec.UNSPECIFIED ->
-                widthSpec = MeasureSpec.makeMeasureSpec(mMaxWidth, MeasureSpec.EXACTLY)
-        }
-        // Let super sort out the height
-        super.onMeasure(widthSpec, heightSpec)
-    }
-
-    companion object {
-        private val SIZE_ATTRS = intArrayOf(android.R.attr.maxWidth)
-    }
-}

app/src/main/kotlin/com/hippo/ehviewer/ui/legacy/EditTextDialogBuilder.kt

@@ -1,72 +0,0 @@
-/*
- * Copyright 2016 Hippo Seven
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package com.hippo.ehviewer.ui.legacy
-
-import android.content.Context
-import android.content.DialogInterface
-import android.view.KeyEvent
-import android.view.LayoutInflater
-import android.widget.EditText
-import android.widget.TextView
-import android.widget.TextView.OnEditorActionListener
-import androidx.appcompat.app.AlertDialog
-import com.google.android.material.textfield.TextInputLayout
-import com.hippo.ehviewer.R
-
-class EditTextDialogBuilder(
-    context: Context,
-    text: String?,
-    hint: String?,
-) : BaseDialogBuilder(
-    context,
-),
-    OnEditorActionListener {
-    private val mTextInputLayout: TextInputLayout
-    val editText: EditText
-    private var mDialog: AlertDialog? = null
-    val text: String
-        get() = editText.text.toString()
-
-    fun setError(error: CharSequence?) {
-        mTextInputLayout.error = error
-    }
-
-    override fun create(): AlertDialog {
-        mDialog = super.create()
-        return mDialog as AlertDialog
-    }
-
-    override fun onEditorAction(v: TextView?, p1: Int, event: KeyEvent?): Boolean {
-        return if (mDialog != null) {
-            val button = mDialog!!.getButton(DialogInterface.BUTTON_POSITIVE)
-            button?.performClick()
-            true
-        } else {
-            false
-        }
-    }
-
-    init {
-        val view = LayoutInflater.from(getContext()).inflate(R.layout.dialog_edittext_builder, null)
-        setView(view)
-        mTextInputLayout = view as TextInputLayout
-        editText = view.findViewById(R.id.edit_text)
-        editText.setText(text)
-        editText.setSelection(editText.text.length)
-        editText.setOnEditorActionListener(this)
-        mTextInputLayout.hint = hint
-    }
-}

app/src/main/kotlin/com/hippo/ehviewer/ui/legacy/FabLayout.kt

@@ -1,432 +0,0 @@
-/*
- * Copyright (C) 2015 Hippo Seven
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package com.hippo.ehviewer.ui.legacy
-
-import android.animation.Animator
-import android.content.Context
-import android.os.Bundle
-import android.os.Parcelable
-import android.util.AttributeSet
-import android.view.View
-import android.view.ViewGroup
-import android.view.animation.Interpolator
-import androidx.activity.ComponentActivity
-import androidx.activity.OnBackPressedCallback
-import com.google.android.material.floatingactionbutton.FloatingActionButton
-import com.hippo.ehviewer.R
-import com.hippo.ehviewer.util.AnimationUtils
-import com.hippo.ehviewer.util.SimpleAnimatorListener
-import com.hippo.ehviewer.util.getParcelableCompat
-
-class FabLayout @JvmOverloads constructor(
-    context: Context,
-    attrs: AttributeSet? = null,
-    defStyleAttr: Int = 0,
-) : ViewGroup(context, attrs, defStyleAttr), View.OnClickListener {
-    private var mFabSize = 0
-    private var mFabMiniSize = 0
-    private var mIntervalPrimary = 0
-    private var mIntervalSecondary = 0
-    private var mExpanded = true
-    private var mAutoCancel = true
-    private var mHidePrimaryFab = false
-    private var mMainFabCenterY = -1f
-    private var mOnExpandListeners = arrayListOf<OnExpandListener>()
-    private var mOnClickFabListener: OnClickFabListener? = null
-
-    private val mOnBackPressedCallback = object : OnBackPressedCallback(false), OnExpandListener {
-        override fun handleOnBackPressed() {
-            isExpanded = false
-        }
-
-        override fun onExpand(expanded: Boolean) {
-            isEnabled = expanded
-        }
-    }
-
-    override fun onAttachedToWindow() {
-        super.onAttachedToWindow()
-        (context as ComponentActivity).onBackPressedDispatcher.addCallback(mOnBackPressedCallback)
-        mOnExpandListeners.add(mOnBackPressedCallback)
-    }
-
-    override fun onDetachedFromWindow() {
-        super.onDetachedFromWindow()
-        mOnBackPressedCallback.remove()
-        mOnExpandListeners.remove(mOnBackPressedCallback)
-    }
-
-    init {
-        isSoundEffectsEnabled = false
-        clipToPadding = false
-        mFabSize = context.resources.getDimensionPixelOffset(R.dimen.fab_size)
-        mFabMiniSize = context.resources.getDimensionPixelOffset(R.dimen.fab_min_size)
-        mIntervalPrimary =
-            context.resources.getDimensionPixelOffset(R.dimen.fab_layout_primary_margin)
-        mIntervalSecondary =
-            context.resources.getDimensionPixelOffset(R.dimen.fab_layout_secondary_margin)
-    }
-
-    override fun addView(child: View, index: Int, params: LayoutParams) {
-        check(child is FloatingActionButton) { "FloatingActionBarLayout should only " + "contain FloatingActionButton, but try to add " + child.javaClass.name }
-        super.addView(child, index, params)
-    }
-
-    val primaryFab: FloatingActionButton?
-        get() = getChildAt(childCount - 1) as? FloatingActionButton
-
-    private val secondaryFabCount: Int
-        get() = 0.coerceAtLeast(childCount - 1)
-
-    private fun getSecondaryFabAt(index: Int): FloatingActionButton? {
-        return if (index < 0 || index >= secondaryFabCount) {
-            null
-        } else {
-            getChildAt(index) as FloatingActionButton
-        }
-    }
-
-    fun setSecondaryFabVisibilityAt(index: Int, visible: Boolean) {
-        getSecondaryFabAt(index)?.run {
-            if (visible && visibility == GONE) {
-                animate().cancel()
-                visibility = if (mExpanded) VISIBLE else INVISIBLE
-            } else if (!visible && visibility != GONE) {
-                animate().cancel()
-                visibility = GONE
-            }
-        }
-    }
-
-    private fun getChildMeasureSpec(parentMeasureSpec: Int): Int {
-        val parentMode = MeasureSpec.getMode(parentMeasureSpec)
-        val parentSize = MeasureSpec.getSize(parentMeasureSpec)
-        val childMode: Int
-        val childSize: Int
-        when (parentMode) {
-            MeasureSpec.AT_MOST, MeasureSpec.EXACTLY -> {
-                childMode = MeasureSpec.AT_MOST
-                childSize = parentSize
-            }
-
-            MeasureSpec.UNSPECIFIED -> {
-                childMode = MeasureSpec.UNSPECIFIED
-                childSize = parentSize
-            }
-
-            else -> {
-                childMode = MeasureSpec.AT_MOST
-                childSize = parentSize
-            }
-        }
-        return MeasureSpec.makeMeasureSpec(childSize, childMode)
-    }
-
-    override fun onMeasure(widthMeasureSpec: Int, heightMeasureSpec: Int) {
-        val childWidthMeasureSpec = getChildMeasureSpec(widthMeasureSpec)
-        val childHeightMeasureSpec = getChildMeasureSpec(heightMeasureSpec)
-        measureChildren(childWidthMeasureSpec, childHeightMeasureSpec)
-        var maxWidth = 0
-        var maxHeight = 0
-        val count = childCount
-        for (i in 0 until count) {
-            val child = getChildAt(i)
-            if (child.visibility == GONE) {
-                continue
-            }
-            maxWidth = maxWidth.coerceAtLeast(child.measuredWidth)
-            maxHeight += child.measuredHeight
-        }
-        maxWidth += paddingLeft + paddingRight
-        maxHeight += paddingTop + paddingBottom
-        maxHeight = maxHeight.coerceAtLeast(suggestedMinimumHeight)
-        maxWidth = maxWidth.coerceAtLeast(suggestedMinimumWidth)
-        setMeasuredDimension(
-            resolveSizeAndState(maxWidth, widthMeasureSpec, 0),
-            resolveSizeAndState(maxHeight, heightMeasureSpec, 0),
-        )
-    }
-
-    override fun onLayout(changed: Boolean, l: Int, t: Int, r: Int, b: Int) {
-        var centerX = 0
-        var bottom = measuredHeight - paddingBottom
-        val count = childCount
-        var i = count
-        while (--i >= 0) {
-            val child = getChildAt(i)
-            if (child.visibility == GONE) {
-                continue
-            }
-            val childWidth = child.measuredWidth
-            val childHeight = child.measuredHeight
-            var layoutBottom: Int
-            var layoutRight: Int
-            if (i == count - 1) {
-                layoutBottom = bottom + (childHeight - mFabSize) / 2
-                layoutRight = measuredWidth - paddingRight + (childWidth - mFabSize) / 2
-                bottom -= mFabSize + mIntervalPrimary
-                centerX = layoutRight - childWidth / 2
-                mMainFabCenterY = layoutBottom - childHeight / 2f
-            } else {
-                layoutBottom = bottom + (childHeight - mFabMiniSize) / 2
-                layoutRight = centerX + childWidth / 2
-                bottom -= mFabMiniSize + mIntervalSecondary
-            }
-            child.layout(
-                layoutRight - childWidth,
-                layoutBottom - childHeight,
-                layoutRight,
-                layoutBottom,
-            )
-        }
-    }
-
-    fun addOnExpandListener(listener: OnExpandListener) {
-        mOnExpandListeners.add(listener)
-    }
-
-    fun setOnClickFabListener(listener: OnClickFabListener?) {
-        mOnClickFabListener = listener
-        if (listener != null) {
-            var i = 0
-            val n = childCount
-            while (i < n) {
-                getChildAt(i).setOnClickListener(this)
-                i++
-            }
-        } else {
-            var i = 0
-            val n = childCount
-            while (i < n) {
-                getChildAt(i).isClickable = false
-                i++
-            }
-        }
-    }
-
-    fun setHidePrimaryFab(hidePrimaryFab: Boolean) {
-        if (mHidePrimaryFab != hidePrimaryFab) {
-            mHidePrimaryFab = hidePrimaryFab
-            val expanded = mExpanded
-            val count = childCount
-            if (!expanded && count > 0) {
-                getChildAt(count - 1).visibility = if (hidePrimaryFab) INVISIBLE else VISIBLE
-            }
-        }
-    }
-
-    fun setAutoCancel(autoCancel: Boolean) {
-        if (mAutoCancel != autoCancel) {
-            mAutoCancel = autoCancel
-            if (mExpanded) {
-                if (autoCancel) {
-                    setOnClickListener(this)
-                } else {
-                    isClickable = false
-                }
-            }
-        }
-    }
-
-    fun toggle() {
-        isExpanded = !mExpanded
-    }
-
-    var isExpanded: Boolean
-        get() = mExpanded
-        set(expanded) {
-            setExpanded(expanded, true)
-        }
-
-    fun setExpanded(expanded: Boolean, animation: Boolean) {
-        if (mExpanded != expanded) {
-            mExpanded = expanded
-            if (mAutoCancel) {
-                if (expanded) {
-                    setOnClickListener(this)
-                } else {
-                    isClickable = false
-                }
-            }
-            val count = childCount
-            if (count > 0) {
-                if (mMainFabCenterY == -1f || !animation) {
-                    // It is before first onLayout
-                    val checkCount = if (mHidePrimaryFab) count else count - 1
-                    for (i in 0 until checkCount) {
-                        val child = getChildAt(i)
-                        if (child.visibility == GONE) {
-                            continue
-                        }
-                        child.visibility = if (expanded) VISIBLE else INVISIBLE
-                        if (expanded) {
-                            child.alpha = 1f
-                        }
-                    }
-                } else {
-                    if (mHidePrimaryFab) {
-                        setPrimaryFabAnimation(getChildAt(count - 1), expanded, !expanded)
-                    }
-                    for (i in 0 until count - 1) {
-                        val child = getChildAt(i)
-                        if (child.visibility == GONE) {
-                            continue
-                        }
-                        setSecondaryFabAnimation(child, expanded, expanded)
-                    }
-                }
-            }
-            mOnExpandListeners.forEach { it.onExpand(expanded) }
-        }
-    }
-
-    private fun setPrimaryFabAnimation(child: View, expanded: Boolean, delay: Boolean) {
-        val startRotation: Float
-        val endRotation: Float
-        val startScale: Float
-        val endScale: Float
-        val interpolator: Interpolator
-        if (expanded) {
-            startRotation = -45.0f
-            endRotation = 0.0f
-            startScale = 0.0f
-            endScale = 1.0f
-            interpolator = AnimationUtils.FAST_SLOW_INTERPOLATOR
-        } else {
-            startRotation = 0.0f
-            endRotation = 0.0f
-            startScale = 1.0f
-            endScale = 0.0f
-            interpolator = AnimationUtils.SLOW_FAST_INTERPOLATOR
-        }
-        child.scaleX = startScale
-        child.scaleY = startScale
-        child.rotation = startRotation
-        child.animate()
-            .scaleX(endScale)
-            .scaleY(endScale)
-            .rotation(endRotation)
-            .setStartDelay(if (delay) ANIMATE_TIME else 0L)
-            .setDuration(ANIMATE_TIME)
-            .setInterpolator(interpolator)
-            .setListener(object : SimpleAnimatorListener() {
-                override fun onAnimationStart(animation: Animator) {
-                    if (expanded) {
-                        child.visibility = VISIBLE
-                    }
-                }
-
-                override fun onAnimationEnd(animation: Animator) {
-                    if (!expanded) {
-                        child.visibility = INVISIBLE
-                    }
-                }
-            }).start()
-    }
-
-    private fun setSecondaryFabAnimation(child: View, expanded: Boolean, delay: Boolean) {
-        val startTranslationY: Float
-        val endTranslationY: Float
-        val startAlpha: Float
-        val endAlpha: Float
-        val interpolator: Interpolator
-        if (expanded) {
-            startTranslationY = mMainFabCenterY - child.top - child.height / 2
-            endTranslationY = 0f
-            startAlpha = 0f
-            endAlpha = 1f
-            interpolator = AnimationUtils.FAST_SLOW_INTERPOLATOR
-        } else {
-            startTranslationY = 0f
-            endTranslationY = mMainFabCenterY - child.top - child.height / 2
-            startAlpha = 1f
-            endAlpha = 0f
-            interpolator = AnimationUtils.SLOW_FAST_INTERPOLATOR
-        }
-        child.alpha = startAlpha
-        child.translationY = startTranslationY
-        child.animate()
-            .alpha(endAlpha)
-            .translationY(endTranslationY)
-            .setStartDelay(if (delay) ANIMATE_TIME else 0L)
-            .setDuration(ANIMATE_TIME)
-            .setInterpolator(interpolator)
-            .setListener(object : SimpleAnimatorListener() {
-                override fun onAnimationStart(animation: Animator) {
-                    if (expanded) {
-                        child.visibility = VISIBLE
-                    }
-                }
-
-                override fun onAnimationEnd(animation: Animator) {
-                    if (!expanded) {
-                        child.visibility = INVISIBLE
-                    }
-                }
-            }).start()
-    }
-
-    override fun onClick(v: View) {
-        if (this === v) {
-            isExpanded = false
-        } else {
-            mOnClickFabListener?.let {
-                val position = indexOfChild(v)
-                if (position == childCount - 1) {
-                    it.onClickPrimaryFab(this, v as FloatingActionButton)
-                } else if (position >= 0 && mExpanded) {
-                    it.onClickSecondaryFab(this, v as FloatingActionButton, position)
-                }
-            }
-        }
-    }
-
-    override fun dispatchSetPressed(pressed: Boolean) {
-        // Don't dispatch it to children
-    }
-
-    override fun onSaveInstanceState(): Parcelable {
-        val state = Bundle()
-        state.putParcelable(STATE_KEY_SUPER, super.onSaveInstanceState())
-        state.putBoolean(STATE_KEY_AUTO_CANCEL, mAutoCancel)
-        state.putBoolean(STATE_KEY_EXPANDED, mExpanded)
-        return state
-    }
-
-    override fun onRestoreInstanceState(state: Parcelable) {
-        if (state is Bundle) {
-            super.onRestoreInstanceState(state.getParcelableCompat(STATE_KEY_SUPER))
-            setAutoCancel(state.getBoolean(STATE_KEY_AUTO_CANCEL))
-            setExpanded(state.getBoolean(STATE_KEY_EXPANDED), false)
-        }
-    }
-
-    fun interface OnExpandListener {
-        fun onExpand(expanded: Boolean)
-    }
-
-    interface OnClickFabListener {
-        fun onClickPrimaryFab(view: FabLayout, fab: FloatingActionButton)
-        fun onClickSecondaryFab(view: FabLayout, fab: FloatingActionButton, position: Int)
-    }
-
-    companion object {
-        private const val ANIMATE_TIME = 300L
-        private const val STATE_KEY_SUPER = "super"
-        private const val STATE_KEY_AUTO_CANCEL = "auto_cancel"
-        private const val STATE_KEY_EXPANDED = "expanded"
-    }
-}

app/src/main/kotlin/com/hippo/ehviewer/ui/legacy/FastScroller.kt

@@ -1,336 +0,0 @@
-/*
- * Copyright 2015 Hippo Seven
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package com.hippo.ehviewer.ui.legacy
-
-import android.animation.Animator
-import android.animation.ObjectAnimator
-import android.annotation.SuppressLint
-import android.content.Context
-import android.graphics.Canvas
-import android.graphics.drawable.Drawable
-import android.util.AttributeSet
-import android.view.MotionEvent
-import android.view.View
-import android.view.ViewConfiguration
-import androidx.recyclerview.widget.RecyclerView
-import androidx.recyclerview.widget.RecyclerView.AdapterDataObserver
-import com.google.android.material.math.MathUtils.dist
-import com.hippo.ehviewer.R
-import com.hippo.ehviewer.util.AnimationUtils
-import com.hippo.ehviewer.util.SimpleAnimatorListener
-import com.hippo.ehviewer.util.SimpleHandler
-import com.hippo.ehviewer.util.dp2px
-import kotlin.math.abs
-
-class FastScroller : View {
-    private var mDraggable = false
-    private var mMinHandlerHeight = 0
-    private var mRecyclerView: RecyclerView? = null
-    private var mOnScrollChangeListener: RecyclerView.OnScrollListener? = null
-    private var mAdapter: RecyclerView.Adapter<*>? = null
-    private var mAdapterDataObserver: AdapterDataObserver? = null
-    private var mHandler: Drawable? = null
-    private var mHandlerOffset = INVALID
-    private var mHandlerHeight = INVALID
-    private var mDownX = INVALID.toFloat()
-    private var mDownY = INVALID.toFloat()
-    private var mLastMotionY = INVALID.toFloat()
-    private var mDragged = false
-    private var mCantDrag = false
-    private var mTouchSlop = 0
-    private var mListener: OnDragHandlerListener? = null
-    private var mShowAnimator: ObjectAnimator? = null
-    private var mHideAnimator: ObjectAnimator? = null
-    private val mHideRunnable = Runnable { mHideAnimator!!.start() }
-
-    constructor(context: Context) : super(context) {
-        init(context, null, 0)
-    }
-
-    constructor(context: Context, attrs: AttributeSet?) : super(context, attrs) {
-        init(context, attrs, 0)
-    }
-
-    constructor(context: Context, attrs: AttributeSet?, defStyleAttr: Int) : super(
-        context,
-        attrs,
-        defStyleAttr,
-    ) {
-        init(context, attrs, defStyleAttr)
-    }
-
-    private fun init(context: Context, attrs: AttributeSet?, defStyleAttr: Int) {
-        val a = context.obtainStyledAttributes(attrs, R.styleable.FastScroller, defStyleAttr, 0)
-        mHandler = a.getDrawable(R.styleable.FastScroller_handler)
-        mDraggable = a.getBoolean(R.styleable.FastScroller_draggable, true)
-        a.recycle()
-        alpha = 0.0f
-        visibility = INVISIBLE
-        mMinHandlerHeight = dp2px(context, MIN_HANDLER_HEIGHT_DP.toFloat())
-        mTouchSlop = ViewConfiguration.get(context).scaledTouchSlop
-        mShowAnimator = ObjectAnimator.ofFloat(this, "alpha", 1.0f).apply {
-            interpolator = AnimationUtils.FAST_SLOW_INTERPOLATOR
-            duration = SCROLL_BAR_FADE_DURATION.toLong()
-        }
-        mHideAnimator = ObjectAnimator.ofFloat(this, "alpha", 0.0f).apply {
-            interpolator = AnimationUtils.SLOW_FAST_INTERPOLATOR
-            duration = SCROLL_BAR_FADE_DURATION.toLong()
-            addListener(object : SimpleAnimatorListener() {
-                private var mCancel = false
-                override fun onAnimationCancel(animation: Animator) {
-                    mCancel = true
-                }
-
-                override fun onAnimationEnd(animation: Animator) {
-                    if (mCancel) {
-                        mCancel = false
-                    } else {
-                        visibility = INVISIBLE
-                    }
-                }
-            })
-        }
-    }
-
-    fun setOnDragHandlerListener(listener: OnDragHandlerListener?) {
-        mListener = listener
-    }
-
-    private fun updatePosition(show: Boolean) {
-        if (mRecyclerView == null) {
-            return
-        }
-        val paddingTop = paddingTop
-        val paddingBottom = paddingBottom
-        val height = height - paddingTop - paddingBottom
-        val offset = mRecyclerView!!.computeVerticalScrollOffset()
-        val extent = mRecyclerView!!.computeVerticalScrollExtent()
-        val range = mRecyclerView!!.computeVerticalScrollRange()
-        if (height <= 0 || extent >= range || extent <= 0) {
-            return
-        }
-        var endOffset = height * offset / range
-        var endHeight = height * extent / range
-        endHeight = endHeight.coerceAtLeast(mMinHandlerHeight)
-        endOffset = endOffset.coerceAtMost(height - endHeight)
-        mHandlerOffset = endOffset + paddingTop
-        mHandlerHeight = endHeight
-        if (show) {
-            if (mHideAnimator!!.isRunning) {
-                mHideAnimator!!.cancel()
-                mShowAnimator!!.start()
-            } else if (visibility != VISIBLE && !mShowAnimator!!.isRunning) {
-                visibility = VISIBLE
-                mShowAnimator!!.start()
-            }
-            SimpleHandler.removeCallbacks(mHideRunnable)
-            if (!mDragged) {
-                SimpleHandler.postDelayed(mHideRunnable, SCROLL_BAR_DELAY.toLong())
-            }
-        }
-    }
-
-    fun setHandlerDrawable(drawable: Drawable?) {
-        mHandler = drawable
-        invalidate()
-    }
-
-    var isDraggable: Boolean
-        get() = mDraggable
-        set(draggable) {
-            mDraggable = draggable
-            if (mDragged) {
-                mDragged = false
-            }
-            SimpleHandler.removeCallbacks(mHideRunnable)
-            mHideRunnable.run()
-        }
-    val isAttached: Boolean
-        get() = mRecyclerView != null
-
-    fun attachToRecyclerView(recyclerView: RecyclerView?) {
-        if (recyclerView == null) {
-            return
-        }
-        check(mRecyclerView == null) {
-            "The FastScroller is already attached to a RecyclerView, " +
-                "call detachedFromRecyclerView first"
-        }
-        mRecyclerView = recyclerView
-        mOnScrollChangeListener = object : RecyclerView.OnScrollListener() {
-            override fun onScrollStateChanged(recyclerView: RecyclerView, newState: Int) {}
-            override fun onScrolled(recyclerView: RecyclerView, dx: Int, dy: Int) {
-                updatePosition(true)
-                invalidate()
-            }
-        }
-        recyclerView.addOnScrollListener(mOnScrollChangeListener!!)
-        mAdapter = recyclerView.adapter
-        if (mAdapter != null) {
-            mAdapterDataObserver = object : AdapterDataObserver() {
-                override fun onItemRangeChanged(positionStart: Int, itemCount: Int) {
-                    super.onItemRangeChanged(positionStart, itemCount)
-                    updatePosition(false)
-                    invalidate()
-                }
-
-                override fun onItemRangeChanged(positionStart: Int, itemCount: Int, payload: Any?) {
-                    super.onItemRangeChanged(positionStart, itemCount, payload)
-                    updatePosition(false)
-                    invalidate()
-                }
-
-                override fun onItemRangeInserted(positionStart: Int, itemCount: Int) {
-                    super.onItemRangeInserted(positionStart, itemCount)
-                    updatePosition(false)
-                    invalidate()
-                }
-
-                override fun onItemRangeRemoved(positionStart: Int, itemCount: Int) {
-                    super.onItemRangeRemoved(positionStart, itemCount)
-                    updatePosition(false)
-                    invalidate()
-                }
-
-                override fun onItemRangeMoved(fromPosition: Int, toPosition: Int, itemCount: Int) {
-                    super.onItemRangeMoved(fromPosition, toPosition, itemCount)
-                    updatePosition(false)
-                    invalidate()
-                }
-            }
-            mAdapter!!.registerAdapterDataObserver(mAdapterDataObserver!!)
-        }
-    }
-
-    fun detachedFromRecyclerView() {
-        if (mRecyclerView != null && mOnScrollChangeListener != null) {
-            mRecyclerView!!.removeOnScrollListener(mOnScrollChangeListener!!)
-        }
-        mRecyclerView = null
-        mOnScrollChangeListener = null
-        if (mAdapter != null && mAdapterDataObserver != null) {
-            mAdapter!!.unregisterAdapterDataObserver(mAdapterDataObserver!!)
-        }
-        mAdapter = null
-        mAdapterDataObserver = null
-        alpha = 0.0f
-        visibility = INVISIBLE
-    }
-
-    override fun onDraw(canvas: Canvas) {
-        if (mRecyclerView == null || mHandler == null) {
-            return
-        }
-        if (mHandlerHeight == INVALID) {
-            updatePosition(false)
-        }
-        if (mHandlerHeight == INVALID) {
-            return
-        }
-        val paddingLeft = paddingLeft
-        val saved = canvas.save()
-        canvas.translate(paddingLeft.toFloat(), mHandlerOffset.toFloat())
-        mHandler!!.setBounds(0, 0, width - paddingLeft - paddingRight, mHandlerHeight)
-        mHandler!!.draw(canvas)
-        canvas.restoreToCount(saved)
-    }
-
-    @SuppressLint("ClickableViewAccessibility")
-    override fun onTouchEvent(event: MotionEvent): Boolean {
-        if (!mDraggable || visibility != VISIBLE || mRecyclerView == null || mHandlerHeight == INVALID) {
-            return false
-        }
-        val action = event.action
-        if (action == MotionEvent.ACTION_DOWN) {
-            mCantDrag = false
-        }
-        if (mCantDrag) {
-            return false
-        }
-        when (action) {
-            MotionEvent.ACTION_DOWN -> {
-                mDragged = false
-                mDownX = event.x
-                mDownY = event.y
-                if (mDownY < mHandlerOffset || mDownY > mHandlerOffset + mHandlerHeight) {
-                    mCantDrag = true
-                    return false
-                }
-            }
-
-            MotionEvent.ACTION_MOVE -> {
-                if (!mDragged) {
-                    val x = event.x
-                    val y = event.y
-                    // Check touch slop
-                    if (dist(x, y, mDownX, mDownY) < mTouchSlop) {
-                        return true
-                    }
-                    if (abs(x - mDownX) > abs(y - mDownY) || y < mHandlerOffset || y > mHandlerOffset + mHandlerHeight) {
-                        mCantDrag = true
-                        return false
-                    } else {
-                        mDragged = true
-                        SimpleHandler.removeCallbacks(mHideRunnable)
-                        // Update mLastMotionY
-                        mLastMotionY =
-                            if (mDownY < mHandlerOffset || mDownY >= mHandlerOffset + mHandlerHeight) {
-                                // the point out of handler, make the point in handler center
-                                (mHandlerOffset + mHandlerHeight / 2).toFloat()
-                            } else {
-                                mDownY
-                            }
-                        // Notify
-                        if (mListener != null) {
-                            mListener!!.onStartDragHandler()
-                        }
-                    }
-                }
-                val range = mRecyclerView!!.computeVerticalScrollRange()
-                if (range <= 0) {
-                    return true
-                }
-                val y = event.y
-                val scroll =
-                    (range * (y - mLastMotionY) / (height - paddingTop - paddingBottom)).toInt()
-                mRecyclerView!!.scrollBy(0, scroll)
-                mLastMotionY = y
-            }
-
-            MotionEvent.ACTION_UP, MotionEvent.ACTION_CANCEL -> {
-                // Notify
-                if (mDragged && mListener != null) {
-                    mListener!!.onEndDragHandler()
-                }
-                mDragged = false
-                SimpleHandler.postDelayed(mHideRunnable, SCROLL_BAR_DELAY.toLong())
-            }
-        }
-        return true
-    }
-
-    interface OnDragHandlerListener {
-        fun onStartDragHandler()
-        fun onEndDragHandler()
-    }
-
-    companion object {
-        private const val INVALID = -1
-        private const val SCROLL_BAR_FADE_DURATION = 500
-        private const val SCROLL_BAR_DELAY = 1000
-        private const val MIN_HANDLER_HEIGHT_DP = 32
-    }
-}

app/src/main/kotlin/com/hippo/ehviewer/ui/legacy/HandlerDrawable.kt

@@ -1,82 +0,0 @@
-/*
- * Copyright 2015 Hippo Seven
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package com.hippo.ehviewer.ui.legacy
-
-import android.graphics.Canvas
-import android.graphics.Color
-import android.graphics.ColorFilter
-import android.graphics.Paint
-import android.graphics.PixelFormat
-import android.graphics.RectF
-import android.graphics.drawable.Drawable
-
-class HandlerDrawable : Drawable() {
-    private val mPaint = Paint(Paint.ANTI_ALIAS_FLAG)
-    private val mTemp = RectF()
-    private var mColor = Color.BLACK
-
-    init {
-        mPaint.color = mColor
-        mPaint.style = Paint.Style.FILL
-    }
-
-    override fun draw(canvas: Canvas) {
-        val width = bounds.width()
-        val height = bounds.height()
-        if (width > height) {
-            canvas.drawRect(0f, 0f, width.toFloat(), height.toFloat(), mPaint)
-        } else {
-            mTemp[0f, 0f, width.toFloat()] = width.toFloat()
-            canvas.drawArc(mTemp, -180f, 180f, true, mPaint)
-            mTemp[0f, (height - width).toFloat(), width.toFloat()] = height.toFloat()
-            canvas.drawArc(mTemp, 0f, 180f, true, mPaint)
-            val halfWidth = width.toFloat() / 2.0f
-            canvas.drawRect(0f, halfWidth, width.toFloat(), height - halfWidth, mPaint)
-        }
-    }
-
-    fun setColor(color: Int) {
-        if (mColor != color) {
-            mColor = color
-            mPaint.color = color
-        }
-    }
-
-    override fun setAlpha(alpha: Int) {
-        mPaint.alpha = alpha
-    }
-
-    override fun setColorFilter(colorFilter: ColorFilter?) {
-        mPaint.colorFilter = colorFilter
-    }
-
-    @Deprecated("Deprecated in Java")
-    override fun getOpacity(): Int {
-        return when (Color.alpha(mColor)) {
-            0xff -> {
-                PixelFormat.OPAQUE
-            }
-
-            0x00 -> {
-                PixelFormat.TRANSPARENT
-            }
-
-            else -> {
-                PixelFormat.TRANSLUCENT
-            }
-        }
-    }
-}

app/src/main/kotlin/com/hippo/ehviewer/ui/legacy/IndicatingListView.kt

@@ -1,81 +0,0 @@
-/*
- * Copyright 2016 Hippo Seven
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package com.hippo.ehviewer.ui.legacy
-
-import android.annotation.SuppressLint
-import android.content.Context
-import android.graphics.Canvas
-import android.graphics.Color
-import android.graphics.Paint
-import android.graphics.Rect
-import android.util.AttributeSet
-import android.widget.ListView
-import com.hippo.ehviewer.R
-
-@SuppressLint("CustomViewStyleable")
-class IndicatingListView @JvmOverloads constructor(
-    context: Context,
-    attrs: AttributeSet? = null,
-) : ListView(context, attrs) {
-    private val mPaint = Paint()
-    private val mTemp = Rect()
-    private var mIndicatorHeight = 0
-
-    init {
-        val a = context.obtainStyledAttributes(attrs, R.styleable.Indicating)
-        mIndicatorHeight = a.getDimensionPixelOffset(R.styleable.Indicating_indicatorHeight, 1)
-        mPaint.color = a.getColor(
-            R.styleable.Indicating_indicatorColor,
-            Color.BLACK,
-        )
-        mPaint.style = Paint.Style.FILL
-        a.recycle()
-    }
-
-    private fun fillTopIndicatorDrawRect() {
-        mTemp[0, 0, width] = mIndicatorHeight
-    }
-
-    private fun fillBottomIndicatorDrawRect() {
-        mTemp[0, height - mIndicatorHeight, width] = height
-    }
-
-    private fun needShowTopIndicator(): Boolean {
-        return canScrollVertically(-1)
-    }
-
-    private fun needShowBottomIndicator(): Boolean {
-        return canScrollVertically(1)
-    }
-
-    override fun draw(canvas: Canvas) {
-        super.draw(canvas)
-        val restoreCount = canvas.save()
-        canvas.translate(scrollX.toFloat(), scrollY.toFloat())
-
-        // Draw top indicator
-        if (needShowTopIndicator()) {
-            fillTopIndicatorDrawRect()
-            canvas.drawRect(mTemp, mPaint)
-        }
-        // Draw bottom indicator
-        if (needShowBottomIndicator()) {
-            fillBottomIndicatorDrawRect()
-            canvas.drawRect(mTemp, mPaint)
-        }
-        canvas.restoreToCount(restoreCount)
-    }
-}

app/src/main/kotlin/com/hippo/ehviewer/ui/legacy/LayoutManagerUtils.kt

@@ -1,153 +0,0 @@
-/*
- * Copyright 2015 Hippo Seven
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package com.hippo.ehviewer.ui.legacy
-
-import android.content.Context
-import android.graphics.PointF
-import androidx.recyclerview.widget.LinearLayoutManager
-import androidx.recyclerview.widget.RecyclerView.LayoutManager
-import androidx.recyclerview.widget.StaggeredGridLayoutManager
-import com.google.android.material.math.MathUtils
-import com.hippo.ehviewer.util.SimpleHandler
-import java.lang.reflect.InvocationTargetException
-import java.lang.reflect.Method
-import kotlin.math.abs
-
-object LayoutManagerUtils {
-    private var sCsdfp: Method? = null
-
-    init {
-        try {
-            sCsdfp = StaggeredGridLayoutManager::class.java.getDeclaredMethod(
-                "calculateScrollDirectionForPosition",
-                Int::class.javaPrimitiveType,
-            ).apply { isAccessible = true }
-        } catch (e: NoSuchMethodException) {
-            // Ignore
-            e.printStackTrace()
-        }
-    }
-
-    fun scrollToPositionWithOffset(
-        layoutManager: LayoutManager,
-        position: Int,
-        offset: Int,
-    ) {
-        when (layoutManager) {
-            is LinearLayoutManager -> layoutManager.scrollToPositionWithOffset(position, offset)
-
-            is StaggeredGridLayoutManager ->
-                layoutManager.scrollToPositionWithOffset(position, offset)
-
-            else -> throw IllegalStateException("Can't do scrollToPositionWithOffset for " + layoutManager.javaClass.name)
-        }
-    }
-
-    fun smoothScrollToPosition(
-        layoutManager: LayoutManager,
-        context: Context,
-        position: Int,
-        millisecondsPerInch: Int = -1,
-    ) {
-        val smoothScroller: SimpleSmoothScroller
-        when (layoutManager) {
-            is LinearLayoutManager -> {
-                smoothScroller =
-                    object : SimpleSmoothScroller(context, millisecondsPerInch.toFloat()) {
-                        override fun computeScrollVectorForPosition(targetPosition: Int): PointF? {
-                            return layoutManager.computeScrollVectorForPosition(targetPosition)
-                        }
-                    }
-            }
-
-            is StaggeredGridLayoutManager -> {
-                smoothScroller =
-                    object : SimpleSmoothScroller(context, millisecondsPerInch.toFloat()) {
-                        override fun computeScrollVectorForPosition(targetPosition: Int): PointF? {
-                            var direction = 0
-                            try {
-                                direction = sCsdfp!!.invoke(layoutManager, targetPosition) as Int
-                            } catch (e: IllegalAccessException) {
-                                e.printStackTrace()
-                            } catch (e: InvocationTargetException) {
-                                e.printStackTrace()
-                            }
-                            if (direction == 0) {
-                                return null
-                            }
-                            return if (layoutManager.orientation == StaggeredGridLayoutManager.HORIZONTAL) {
-                                PointF(direction.toFloat(), 0f)
-                            } else {
-                                PointF(0f, direction.toFloat())
-                            }
-                        }
-                    }
-            }
-
-            else -> throw IllegalStateException("Can't do smoothScrollToPosition for " + layoutManager.javaClass.name)
-        }
-        smoothScroller.targetPosition = position
-        layoutManager.startSmoothScroll(smoothScroller)
-    }
-
-    fun scrollToPositionProperly(
-        layoutManager: LayoutManager,
-        context: Context,
-        position: Int,
-        listener: OnScrollToPositionListener?,
-    ) {
-        SimpleHandler.postDelayed({
-            val first = layoutManager.firstVisibleItemPosition
-            val last = getLastVisibleItemPosition(layoutManager)
-            val offset = abs(position - first)
-            val max = last - first
-            if (offset < max && max > 0) {
-                smoothScrollToPosition(
-                    layoutManager,
-                    context,
-                    position,
-                    MathUtils.lerp(100F, 25F, (offset / max).toFloat()).toInt(),
-                )
-            } else {
-                scrollToPositionWithOffset(layoutManager, position, 0)
-                listener?.onScrollToPosition(position)
-            }
-        }, 200)
-    }
-
-    val LayoutManager.firstVisibleItemPosition: Int
-        get() = when (this) {
-            is LinearLayoutManager -> findFirstVisibleItemPosition()
-            is StaggeredGridLayoutManager -> findFirstVisibleItemPositions(null).min()
-            else -> error("Can't do getFirstVisibleItemPosition for " + javaClass.name)
-        }
-
-    fun getLastVisibleItemPosition(layoutManager: LayoutManager): Int {
-        return when (layoutManager) {
-            is LinearLayoutManager -> layoutManager.findLastVisibleItemPosition()
-            is StaggeredGridLayoutManager -> {
-                val positions = layoutManager.findLastVisibleItemPositions(null)
-                positions.max()
-            }
-
-            else -> throw IllegalStateException("Can't do getLastVisibleItemPosition for " + layoutManager.javaClass.name)
-        }
-    }
-
-    fun interface OnScrollToPositionListener {
-        fun onScrollToPosition(position: Int)
-    }
-}

app/src/main/kotlin/com/hippo/ehviewer/ui/legacy/LinkifyTextView.kt

@@ -15,7 +15,6 @@
  */
 package com.hippo.ehviewer.ui.legacy
 
-import android.annotation.SuppressLint
 import android.content.Context
 import android.text.Spanned
 import android.text.style.ClickableSpan
@@ -26,15 +25,8 @@ import androidx.appcompat.widget.AppCompatTextView
 class LinkifyTextView @JvmOverloads constructor(
     context: Context,
     attrs: AttributeSet? = null,
+    private val onCurrentSpanUpdate: (ClickableSpan?) -> Unit,
 ) : AppCompatTextView(context, attrs) {
-    var currentSpan: ClickableSpan? = null
-        private set
-
-    fun clearCurrentSpan() {
-        currentSpan = null
-    }
-
-    @SuppressLint("ClickableViewAccessibility")
     override fun onTouchEvent(event: MotionEvent): Boolean {
         // Let the parent or grandparent of TextView to handles click aciton.
         // Otherwise click effect like ripple will not work, and if touch area
@@ -42,10 +34,8 @@ class LinkifyTextView @JvmOverloads constructor(
         // onTouchEven must be called with MotionEvent.ACTION_DOWN for each touch
         // action on it, so we analyze touched url here.
         if (event.action == MotionEvent.ACTION_DOWN) {
-            currentSpan = null
+            onCurrentSpanUpdate(null)
             if (text is Spanned) {
-                // Get this code from android.text.method.LinkMovementMethod.
-                // Work fine !
                 var x = event.x.toInt()
                 var y = event.y.toInt()
                 x -= totalPaddingLeft
@@ -58,7 +48,7 @@ class LinkifyTextView @JvmOverloads constructor(
                     val off = layout.getOffsetForHorizontal(line, x.toFloat())
                     val spans = (text as Spanned).getSpans(off, off, ClickableSpan::class.java)
                     if (spans.isNotEmpty()) {
-                        currentSpan = spans[0]
+                        onCurrentSpanUpdate(spans[0])
                     }
                 }
             }