Release 1.8.7.0

Revert "Fix RTL load"

This reverts commit 323d258b

Revert "Resolve #814"

This reverts commit eeed0720

.github/workflows/ci.yml

@@ -25,7 +25,7 @@ jobs:
 
       - name: Install NDK
         run: |
-          echo "y" | sudo ${ANDROID_HOME}/tools/bin/sdkmanager --install "ndk;25.1.8937393" --sdk_root=${ANDROID_SDK_ROOT} &> /dev/null
+          echo "y" | sudo ${ANDROID_HOME}/tools/bin/sdkmanager --install "ndk;25.2.9519653" --sdk_root=${ANDROID_SDK_ROOT} &> /dev/null
 
       - name: Gradle Build
         uses: gradle/gradle-build-action@v2

.github/workflows/pull_request.yml

@@ -20,7 +20,7 @@ jobs:
 
       - name: Install NDK
         run: |
-          echo "y" | sudo ${ANDROID_HOME}/tools/bin/sdkmanager --install "ndk;25.1.8937393" --sdk_root=${ANDROID_SDK_ROOT} &> /dev/null
+          echo "y" | sudo ${ANDROID_HOME}/tools/bin/sdkmanager --install "ndk;25.2.9519653" --sdk_root=${ANDROID_SDK_ROOT} &> /dev/null
 
       - name: Gradle Build
         uses: gradle/gradle-build-action@v2

.github/workflows/releases.yml

@@ -23,7 +23,7 @@ jobs:
 
       - name: Install NDK
         run: |
-          echo "y" | sudo ${ANDROID_HOME}/tools/bin/sdkmanager --install "ndk;25.1.8937393" --sdk_root=${ANDROID_SDK_ROOT} &> /dev/null
+          echo "y" | sudo ${ANDROID_HOME}/tools/bin/sdkmanager --install "ndk;25.2.9519653" --sdk_root=${ANDROID_SDK_ROOT} &> /dev/null
 
       - name: Gradle Build
         uses: gradle/gradle-build-action@v2
@@ -58,7 +58,7 @@ jobs:
           cp app/build/outputs/apk/release/app-armeabi-v7a-release.apk app/build/outputs/apk/release/fdroid/EhViewer-v$GITHUB_REF_NAME-armv7.apk
 
       - name: Push Apks
-        uses: cpina/github-action-push-to-another-repository@v1.5
+        uses: Ehviewer-Overhauled/github-action-push-to-another-repository@main
         env:
          SSH_DEPLOY_KEY: ${{ secrets.SSH_DEPLOY_KEY }}
         with:
@@ -68,5 +68,6 @@ jobs:
           user-name: 'github-actions[bot]'
           user-email: 'github-actions[bot]@users.noreply.github.com'
           target-branch: deploy
+          create-target-branch: true
           commit-message: Add apks from $GITHUB_REF
           target-directory: fdroid/tmp-apks

.gitmodules

@@ -1,9 +1,3 @@
-[submodule "app/src/main/cpp/libarchive"]
-	path = app/src/main/cpp/libarchive
-	url = https://github.com/Ehviewer-Overhauled/libarchive
-[submodule "app/src/main/cpp/liblzma"]
-	path = app/src/main/cpp/liblzma
-	url = https://github.com/Ehviewer-Overhauled/xz
 [submodule "app/src/main/cpp/nettle/nettle"]
 	path = app/src/main/cpp/nettle/nettle
 	url = https://github.com/Ehviewer-Overhauled/nettle

README.md

@@ -1,10 +1,10 @@
 <p align="right">
-  <strong>English<strong>
+  <strong>English</strong>
   <span> | </span>
   <a href="https://github.com/Ehviewer-Overhauled/Ehviewer/blob/1.8.x.x/docs/README/zh-cn.md">
   简体中文
   </a>
-  <span> | <span>
+  <span> | </span>
   <a href="https://github.com/Ehviewer-Overhauled/Ehviewer/blob/1.8.x.x/docs/README/zh-tw.md">
   正體中文
   </a>
@@ -66,7 +66,7 @@ with Material Design 3 and Dynamic Color Support
 
 # Download
 
-<a href="https://github.com/Ehviewer-Overhauled/Ehviewer/releases"><img alt="Get it on GitHub" src="https://github.com/Ehviewer-Overhauled/Art/blob/master/get-it-on-github.svg" width="200px"/></a> <a href="https://github.com/Ehviewer-Overhauled/fdroid-repo"><img alt="Git it on F-Droid" src="https://github.com/Ehviewer-Overhauled/Art/blob/master/get-it-on-fdroid.svg" width="200px"/></a>
+<a href="https://github.com/Ehviewer-Overhauled/Ehviewer/releases"><img alt="Get it on GitHub" src="https://github.com/Ehviewer-Overhauled/Art/blob/master/get-it-on-github.svg" width="200px"/></a> <a href="https://github.com/Ehviewer-Overhauled/fdroid-repo"><img alt="Get it on F-Droid" src="https://github.com/Ehviewer-Overhauled/Art/blob/master/get-it-on-fdroid.svg" width="200px"/></a>
 
 # Screenshot
 

app/build.gradle

@@ -1,169 +0,0 @@
-plugins {
-    id 'com.android.application'
-    id 'kotlin-android'
-    id 'kotlin-parcelize'
-    id 'com.google.devtools.ksp'
-}
-
-android {
-    compileSdkVersion 33
-    buildToolsVersion "33.0.1"
-    ndkVersion "25.1.8937393"
-
-    splits {
-        abi {
-            enable = true
-            reset()
-            include 'arm64-v8a', 'x86_64', 'armeabi-v7a', 'x86'
-            universalApk = true
-        }
-    }
-
-    signingConfigs {
-        sign {
-            storeFile file(signStoreFile)
-            storePassword signStorePassword
-            keyAlias signkeyAlias
-            keyPassword signkeyPassword
-        }
-    }
-
-    defaultConfig {
-        applicationId "moe.tarsin.ehviewer"
-        minSdkVersion 28
-        targetSdkVersion 33
-        versionCode 180030
-        versionName "1.8.5.3-rc01"
-        resConfigs 'zh', 'zh-rCN', 'zh-rHK', 'zh-rTW', 'es', 'ja', 'ko', 'fr', 'de', 'th'
-    }
-
-    externalNativeBuild {
-        cmake {
-            path 'src/main/cpp/CMakeLists.txt'
-        }
-    }
-
-    compileOptions {
-        sourceCompatibility JavaVersion.VERSION_19
-        targetCompatibility JavaVersion.VERSION_19
-    }
-
-    kotlinOptions {
-        jvmTarget = '19'
-        freeCompilerArgs += [
-                // https://kotlinlang.org/docs/compiler-reference.html#progressive
-                "-progressive"
-        ]
-    }
-
-    lint {
-        abortOnError true
-        checkReleaseBuilds false
-        disable 'MissingTranslation'
-    }
-
-    packagingOptions {
-        resources {
-            excludes += "/META-INF/CHANGES"
-            excludes += "/META-INF/README.md"
-            excludes += "/kotlin/**"
-            excludes += "**.txt"
-            excludes += "**.bin"
-        }
-    }
-
-    dependenciesInfo.includeInApk false
-
-    buildTypes {
-        release {
-            minifyEnabled true
-            shrinkResources true
-            proguardFiles 'proguard-rules.pro'
-            signingConfig signingConfigs.sign
-        }
-        debug {
-            applicationIdSuffix ".debug"
-            signingConfig signingConfigs.debug
-        }
-    }
-
-    buildFeatures {
-        buildConfig true
-        compose true
-        viewBinding true
-    }
-
-    composeOptions {
-        kotlinCompilerExtensionVersion = "1.4.0"
-    }
-
-    namespace 'com.hippo.ehviewer'
-}
-
-dependencies {
-    // https://developer.android.com/jetpack/androidx/releases/activity
-    implementation "androidx.activity:activity-compose:1.6.1"
-    implementation "androidx.appcompat:appcompat:1.6.0"
-    implementation "androidx.biometric:biometric-ktx:1.2.0-alpha05"
-    implementation "androidx.browser:browser:1.4.0"
-
-    // https://developer.android.com/jetpack/androidx/releases/compose-material3
-    implementation platform("androidx.compose:compose-bom:2023.01.00")
-    implementation "androidx.compose.material:material-icons-extended"
-    implementation "androidx.compose.material3:material3"
-
-    implementation "androidx.constraintlayout:constraintlayout:2.2.0-alpha05"
-    implementation "androidx.coordinatorlayout:coordinatorlayout:1.2.0"
-    // https://developer.android.com/jetpack/androidx/releases/lifecycle
-    implementation "androidx.lifecycle:lifecycle-process:2.5.1"
-
-    // https://developer.android.com/jetpack/androidx/releases/navigation
-    def nav_version = "2.5.3"
-    implementation "androidx.navigation:navigation-fragment-ktx:$nav_version"
-    implementation "androidx.navigation:navigation-ui-ktx:$nav_version"
-    implementation "androidx.navigation:navigation-compose:$nav_version"
-
-    // https://developer.android.com/jetpack/androidx/releases/paging
-    implementation "androidx.paging:paging-runtime-ktx:3.2.0-alpha03"
-    implementation 'androidx.preference:preference-ktx:1.2.0'
-    implementation 'androidx.recyclerview:recyclerview:1.3.0-rc01'
-
-    // https://developer.android.com/jetpack/androidx/releases/room
-    def room_version = "2.5.0"
-    ksp "androidx.room:room-compiler:$room_version"
-    implementation "androidx.room:room-paging:$room_version"
-
-    implementation 'androidx.swiperefreshlayout:swiperefreshlayout:1.2.0-alpha01'
-    implementation 'com.drakeet.drawer:drawer:1.0.3'
-    implementation 'com.github.chrisbanes:PhotoView:2.3.0' // Dead Dependency
-    implementation 'com.github.tachiyomiorg:DirectionalViewPager:1.0.0' // Dead Dependency
-    // https://github.com/google/accompanist/releases
-    implementation "com.google.accompanist:accompanist-themeadapter-material3:0.28.0"
-    implementation 'com.google.android.material:material:1.8.0-rc01'
-
-    // https://square.github.io/okhttp/changelogs/changelog/
-    implementation 'com.squareup.okhttp3:okhttp-bom:5.0.0-alpha.11'
-    implementation 'com.squareup.okhttp3:okhttp-coroutines'
-
-    implementation 'com.squareup.okio:okio-jvm:3.3.0'
-
-    implementation 'dev.chrisbanes.insetter:insetter:0.6.1' // Dead Dependency
-    implementation 'dev.rikka.rikkax.core:core-ktx:1.4.1'
-    implementation 'dev.rikka.rikkax.insets:insets:1.3.0'
-    implementation 'dev.rikka.rikkax.layoutinflater:layoutinflater:1.2.0'
-    implementation 'dev.rikka.rikkax.preference:simplemenu-preference:1.0.3'
-    implementation 'dev.rikka.rikkax.material:material-preference:2.0.0'
-    // https://coil-kt.github.io/coil/changelog/
-    // implementation 'io.coil-kt:coil:2.2.2'
-    implementation 'com.github.Ehviewer-Overhauled.coil:coil:d65881d'
-    implementation 'org.jetbrains.kotlinx:kotlinx-coroutines-android:1.6.4'
-    implementation 'org.jsoup:jsoup:1.15.3'
-}
-
-configurations.all {
-    exclude group: 'dev.rikka.rikkax.appcompat', module: 'appcompat'
-    exclude group: 'dev.rikka.rikkax.material', module: 'material'
-    exclude group: 'org.jetbrains.kotlin', module: 'kotlin-android-extensions-runtime'
-    exclude group: 'org.jetbrains.kotlin', module: 'kotlin-stdlib-jdk7'
-    exclude group: 'org.jetbrains.kotlin', module: 'kotlin-stdlib-jdk8'
-}

app/build.gradle.kts

@@ -0,0 +1,224 @@
+import java.io.ByteArrayOutputStream
+import java.time.Instant
+import java.time.ZoneOffset
+import java.time.format.DateTimeFormatter
+
+plugins {
+    id("com.android.application")
+    kotlin("android")
+    id("kotlin-parcelize")
+    kotlin("plugin.serialization")
+    id("com.google.devtools.ksp")
+}
+
+android {
+    compileSdk = 33
+    buildToolsVersion = "33.0.2"
+    ndkVersion = "25.2.9519653"
+
+    splits {
+        abi {
+            isEnable = true
+            reset()
+            include("arm64-v8a", "x86_64", "armeabi-v7a", "x86")
+            isUniversalApk = true
+        }
+    }
+
+    val signConfig = signingConfigs.create("release") {
+        storeFile = File(projectDir.path + "/keystore/androidkey.jks")
+        storePassword = "000000"
+        keyAlias = "key0"
+        keyPassword = "000000"
+
+        enableV3Signing = true
+        enableV4Signing = true
+    }
+
+    val commitSha by lazy {
+        val stdout = ByteArrayOutputStream()
+        exec {
+            commandLine = "git rev-parse --short=7 HEAD".split(' ')
+            standardOutput = stdout
+        }
+        stdout.toString().trim()
+    }
+
+    val buildTime by lazy {
+        val formatter = DateTimeFormatter.ofPattern("yyyy/MM/dd HH:mm").withZone(ZoneOffset.UTC)
+        formatter.format(Instant.now())
+    }
+
+    defaultConfig {
+        applicationId = "moe.tarsin.ehviewer"
+        minSdk = 28
+        targetSdk = 33
+        versionCode = 180035
+        versionName = "1.8.7.0"
+        resourceConfigurations.addAll(
+            listOf(
+                "zh",
+                "zh-rCN",
+                "zh-rHK",
+                "zh-rTW",
+                "es",
+                "ja",
+                "ko",
+                "fr",
+                "de",
+                "th",
+                "tr",
+                "nb-rNO"
+            )
+        )
+        buildConfigField("String", "COMMIT_SHA", "\"$commitSha\"")
+        buildConfigField("String", "BUILD_TIME", "\"$buildTime\"")
+    }
+
+    externalNativeBuild {
+        cmake {
+            path = File("src/main/cpp/CMakeLists.txt")
+        }
+    }
+
+    compileOptions {
+        sourceCompatibility = JavaVersion.VERSION_19
+        targetCompatibility = JavaVersion.VERSION_19
+    }
+
+    kotlinOptions {
+        jvmTarget = "19"
+        freeCompilerArgs = listOf(
+            // https://kotlinlang.org/docs/compiler-reference.html#progressive
+            "-progressive",
+
+            "-opt-in=coil.annotation.ExperimentalCoilApi",
+            "-opt-in=androidx.compose.foundation.layout.ExperimentalLayoutApi",
+            "-opt-in=androidx.compose.material3.ExperimentalMaterial3Api",
+            "-opt-in=androidx.compose.ui.ExperimentalComposeUiApi",
+            "-opt-in=androidx.compose.foundation.ExperimentalFoundationApi",
+            "-opt-in=androidx.compose.animation.ExperimentalAnimationApi",
+            "-opt-in=kotlin.contracts.ExperimentalContracts",
+            "-opt-in=kotlinx.coroutines.ExperimentalCoroutinesApi",
+            "-opt-in=kotlinx.coroutines.FlowPreview",
+            "-opt-in=kotlinx.coroutines.InternalCoroutinesApi",
+            "-opt-in=kotlinx.serialization.ExperimentalSerializationApi",
+        )
+    }
+
+    lint {
+        abortOnError = true
+        checkReleaseBuilds = false
+        disable.add("MissingTranslation")
+    }
+
+    packaging {
+        resources {
+            excludes += "/META-INF/CHANGES"
+            excludes += "/META-INF/README.md"
+            excludes += "/kotlin/**"
+            excludes += "**.txt"
+            excludes += "**.bin"
+        }
+    }
+
+    dependenciesInfo.includeInApk = false
+
+    buildTypes {
+        release {
+            isMinifyEnabled = true
+            isShrinkResources = true
+            proguardFiles("proguard-rules.pro")
+            signingConfig = signConfig
+        }
+        debug {
+            applicationIdSuffix = ".debug"
+        }
+    }
+
+    buildFeatures {
+        buildConfig = true
+        compose = true
+        viewBinding = true
+    }
+
+    composeOptions {
+        kotlinCompilerExtensionVersion = "1.4.3"
+    }
+
+    namespace = "com.hippo.ehviewer"
+}
+
+dependencies {
+    // https://developer.android.com/jetpack/androidx/releases/activity
+    implementation("androidx.activity:activity-compose:1.6.1")
+    implementation("androidx.appcompat:appcompat:1.6.1")
+    implementation("androidx.biometric:biometric-ktx:1.2.0-alpha05")
+    implementation("androidx.browser:browser:1.5.0")
+    implementation("androidx.collection:collection-ktx:1.3.0-alpha02")
+
+    // https://developer.android.com/jetpack/androidx/releases/compose-material3
+    implementation(platform("androidx.compose:compose-bom:2023.01.00"))
+    implementation("androidx.compose.material:material-icons-extended")
+    implementation("androidx.compose.material3:material3")
+
+    implementation("androidx.core:core-ktx:1.10.0-beta01")
+
+    implementation("androidx.constraintlayout:constraintlayout:2.2.0-alpha07")
+    implementation("androidx.coordinatorlayout:coordinatorlayout:1.2.0")
+    // https://developer.android.com/jetpack/androidx/releases/lifecycle
+    implementation("androidx.lifecycle:lifecycle-process:2.5.1")
+
+    // https://developer.android.com/jetpack/androidx/releases/navigation
+    val nav_version = "2.5.3"
+    implementation("androidx.navigation:navigation-fragment-ktx:$nav_version")
+    implementation("androidx.navigation:navigation-ui-ktx:$nav_version")
+    implementation("androidx.navigation:navigation-compose:$nav_version")
+
+    // https://developer.android.com/jetpack/androidx/releases/paging
+    implementation("androidx.paging:paging-runtime-ktx:3.2.0-alpha04")
+    implementation("androidx.paging:paging-compose:1.0.0-alpha18")
+    implementation("androidx.preference:preference-ktx:1.2.0")
+    implementation("androidx.recyclerview:recyclerview:1.3.0-rc01")
+
+    // https://developer.android.com/jetpack/androidx/releases/room
+    val room_version = "2.5.0"
+    ksp("androidx.room:room-compiler:$room_version")
+    implementation("androidx.room:room-paging:$room_version")
+
+    implementation("androidx.swiperefreshlayout:swiperefreshlayout:1.2.0-alpha01")
+    implementation("androidx.work:work-runtime-ktx:2.8.0")
+    implementation("com.drakeet.drawer:drawer:1.0.3")
+    implementation("com.github.chrisbanes:PhotoView:2.3.0") // Dead Dependency
+    implementation("com.github.tachiyomiorg:DirectionalViewPager:1.0.0") // Dead Dependency
+    // https://github.com/google/accompanist/releases
+    implementation("com.google.accompanist:accompanist-themeadapter-material3:0.28.0")
+    implementation("com.google.android.material:material:1.8.0")
+
+    // https://square.github.io/okhttp/changelogs/changelog/
+    implementation("com.squareup.okhttp3:okhttp-bom:5.0.0-alpha.11")
+    implementation("com.squareup.okhttp3:okhttp-coroutines")
+
+    implementation("com.squareup.okio:okio-jvm:3.3.0")
+
+    implementation("dev.chrisbanes.insetter:insetter:0.6.1") // Dead Dependency
+    implementation("dev.rikka.rikkax.core:core-ktx:1.4.1")
+    implementation("dev.rikka.rikkax.insets:insets:1.3.0")
+    implementation("dev.rikka.rikkax.layoutinflater:layoutinflater:1.2.0")
+    implementation("dev.rikka.rikkax.preference:simplemenu-preference:1.0.3")
+    implementation("dev.rikka.rikkax.material:material-preference:2.0.0")
+    // https://coil-kt.github.io/coil/changelog/
+    implementation("io.coil-kt:coil-compose:2.2.2")
+
+    implementation("org.jetbrains.kotlinx:kotlinx-coroutines-android:1.6.4")
+    implementation("org.jetbrains.kotlinx:kotlinx-serialization-cbor:1.5.0")
+    implementation("org.jsoup:jsoup:1.15.4")
+}
+
+configurations.all {
+    exclude("dev.rikka.rikkax.appcompat", "appcompat")
+    exclude("dev.rikka.rikkax.material", "material")
+    exclude("org.jetbrains.kotlin", "kotlin-android-extensions-runtime")
+    exclude("org.jetbrains.kotlin", "kotlin-stdlib-jdk7")
+    exclude("org.jetbrains.kotlin", "kotlin-stdlib-jdk8")
+}

app/proguard-rules.pro

@@ -6,8 +6,16 @@
     native <methods>;
 }
 
+# https://issuetracker.google.com/issues/190382641
+-keepclassmembers class kotlin.SafePublicationLazyImpl {
+    java.lang.Object _value;
+}
+
 -keep class androidx.viewpager.widget.ViewPager$LayoutParams { int position; }
 
+# Ktor logger
+-dontwarn org.slf4j.impl.StaticLoggerBinder
+
 -keepattributes LineNumberTable,SourceFile
 -renamesourcefileattribute SourceFile
 

app/src/debug/res/values/strings.xml

@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  ~ 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.
+  -->
+
+<resources>
+
+    <string name="app_name" translatable="false">EhViewer Debug</string>
+
+</resources>

app/src/main/AndroidManifest.xml

@@ -34,9 +34,9 @@
         android:theme="@style/AppTheme"
         tools:targetApi="tiramisu">
         <activity
-            android:name=".ui.LoginActivity"
+            android:name=".ui.login.LoginActivity"
             android:exported="false"
-            android:theme="@style/AppTheme"
+            android:launchMode="singleTask"
             android:windowSoftInputMode="adjustResize"/>
         <activity
             android:name=".ui.MainActivity"

app/src/main/cpp/0001-Don-t-build-other-binarys.patch

@@ -0,0 +1,34 @@
+From fc9fb0ea245259e346ab46c334f03b557fe63b6b Mon Sep 17 00:00:00 2001
+From: tarsin <yuanqingxiang233@163.com>
+Date: Tue, 22 Nov 2022 12:37:12 +0800
+Subject: [PATCH] Don't build other binarys
+
+---
+ CMakeLists.txt | 4 ++--
+ 1 file changed, 2 insertions(+), 2 deletions(-)
+
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index 01c73cd..b461e68 100644
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -592,7 +592,7 @@ check_symbol_exists(getopt_long getopt.h HAVE_GETOPT_LONG)
+ # xzdec
+ #############################################################################
+ 
+-if(HAVE_GETOPT_LONG)
++if(0)
+     add_executable(xzdec
+         src/common/sysdefs.h
+         src/common/tuklib_common.h
+@@ -630,7 +630,7 @@ endif()
+ # xz
+ #############################################################################
+ 
+-if(NOT MSVC AND HAVE_GETOPT_LONG)
++if(0)
+     add_executable(xz
+         src/common/mythread.h
+         src/common/sysdefs.h
+-- 
+2.39.2
+

app/src/main/cpp/0001-Don-t-build-shared-lib.patch

@@ -0,0 +1,38 @@
+From 2a67861e6f06794f3671c4988bac12330d8422e3 Mon Sep 17 00:00:00 2001
+From: tarsin <yuanqingxiang233@163.com>
+Date: Fri, 27 May 2022 23:21:20 +0800
+Subject: [PATCH 1/2] Don't build shared lib
+
+---
+ libarchive/CMakeLists.txt | 8 +-------
+ 1 file changed, 1 insertion(+), 7 deletions(-)
+
+diff --git a/libarchive/CMakeLists.txt b/libarchive/CMakeLists.txt
+index ff7ade00..00c2e170 100644
+--- a/libarchive/CMakeLists.txt
++++ b/libarchive/CMakeLists.txt
+@@ -242,12 +242,6 @@ ELSEIF(ARCHIVE_ACL_SUNOS)
+   LIST(APPEND libarchive_SOURCES archive_disk_acl_sunos.c)
+ ENDIF()
+ 
+-# Libarchive is a shared library
+-ADD_LIBRARY(archive SHARED ${libarchive_SOURCES} ${include_HEADERS})
+-TARGET_INCLUDE_DIRECTORIES(archive PUBLIC .)
+-TARGET_LINK_LIBRARIES(archive ${ADDITIONAL_LIBS})
+-SET_TARGET_PROPERTIES(archive PROPERTIES SOVERSION ${SOVERSION})
+-
+ # archive_static is a static library
+ ADD_LIBRARY(archive_static STATIC ${libarchive_SOURCES} ${include_HEADERS})
+ TARGET_LINK_LIBRARIES(archive_static ${ADDITIONAL_LIBS})
+@@ -260,7 +254,7 @@ ENDIF(NOT WIN32 OR CYGWIN)
+ 
+ IF(ENABLE_INSTALL)
+   # How to install the libraries
+-  INSTALL(TARGETS archive archive_static
++  INSTALL(TARGETS archive_static
+           RUNTIME DESTINATION bin
+           LIBRARY DESTINATION lib
+           ARCHIVE DESTINATION lib)
+-- 
+2.39.2
+

app/src/main/cpp/0002-Insert-link-libs.patch

@@ -0,0 +1,25 @@
+From c9298fd6dc0a8b04dd4b2247118b9cb895c46e58 Mon Sep 17 00:00:00 2001
+From: tarsin <yuanqingxiang233@163.com>
+Date: Sat, 23 Jul 2022 16:05:36 +0800
+Subject: [PATCH 2/2] Insert link libs
+
+---
+ CMakeLists.txt | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index 713e3bc5..7247640d 100644
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -415,7 +415,7 @@ IF(DEFINED __GNUWIN32PATH AND EXISTS "${__GNUWIN32PATH}")
+   # #  endif
+ ENDIF(DEFINED __GNUWIN32PATH AND EXISTS "${__GNUWIN32PATH}")
+ 
+-SET(ADDITIONAL_LIBS "")
++SET(ADDITIONAL_LIBS ${LIBARCHIVE_CUSTOM_LIBS})
+ #
+ # Find ZLIB
+ #
+-- 
+2.39.2
+

app/src/main/cpp/CMakeLists.txt

@@ -1,7 +1,9 @@
-project(ehviewer)
-cmake_minimum_required(VERSION 3.4.1)
+cmake_minimum_required(VERSION 3.14)
+project(ehviewer C)
+include(FetchContent)
 
-set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Ofast -fvisibility=hidden -fvisibility-inlines-hidden -ffunction-sections -fdata-sections -funroll-loops -flto=thin \
+if (NOT CMAKE_BUILD_TYPE STREQUAL "Debug")
+    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Ofast -fvisibility=hidden -fvisibility-inlines-hidden -funroll-loops -flto=thin \
            -mllvm -polly \
            -mllvm -polly-run-dce \
            -mllvm -polly-run-inliner \
@@ -12,6 +14,20 @@ set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Ofast -fvisibility=hidden -fvisibility-inli
            -mllvm -polly-vectorizer=stripmine \
            -mllvm -polly-detect-profitability-min-per-loop-insts=40 \
            -mllvm -polly-invariant-load-hoisting")
+endif (NOT CMAKE_BUILD_TYPE STREQUAL "Debug")
+
+# Change the default path of fetch content to avoid downloading the same dependencies per architecture
+get_filename_component(deps "../_deps" REALPATH BASE_DIR "${CMAKE_BINARY_DIR}")
+set(FETCHCONTENT_BASE_DIR ${deps})
+
+FetchContent_Declare(liblzma
+        GIT_REPOSITORY  https://git.tukaani.org/xz.git
+        GIT_TAG         v5.4.1
+        PATCH_COMMAND   git apply ${CMAKE_CURRENT_LIST_DIR}/0001-Don-t-build-other-binarys.patch || true
+        )
+
+FetchContent_MakeAvailable(liblzma)
+include_directories(${liblzma_SOURCE_DIR}/src/liblzma/api)
 
 # Build GNUTLS libnettle
 add_subdirectory(nettle)
@@ -27,11 +43,7 @@ set(HAVE_NETTLE_PBKDF2_H 1)
 set(HAVE_NETTLE_RIPEMD160_H 1)
 set(HAVE_NETTLE_SHA_H 1)
 
-# Build liblzma
-add_subdirectory(liblzma)
-
 # Configure lzma support for libarchive
-include_directories(liblzma/src/liblzma/api)
 SET(HAVE_LIBLZMA 1)
 SET(HAVE_LZMA_H 1)
 SET(HAVE_LZMA_STREAM_ENCODER_MT 1)
@@ -39,12 +51,17 @@ SET(HAVE_LZMADEC_H 1)
 SET(HAVE_LIBLZMADEC 1)
 
 # Configure libarchive link's static lib
-SET(LIBARCHIVE_CUSTOM_LIBS "liblzma" "nettle")
+SET(LIBARCHIVE_CUSTOM_LIBS "nettle" "liblzma")
 
-# Build libarchive
-add_subdirectory(libarchive)
+FetchContent_Declare(libarchive
+        GIT_REPOSITORY  https://github.com/libarchive/libarchive
+        GIT_TAG         v3.6.2
+        PATCH_COMMAND   git apply ${CMAKE_CURRENT_LIST_DIR}/0001-Don-t-build-shared-lib.patch ${CMAKE_CURRENT_LIST_DIR}/0002-Insert-link-libs.patch || true
+        )
+
+FetchContent_MakeAvailable(libarchive)
+include_directories(${libarchive_SOURCE_DIR}/libarchive)
 
 # Build and link our app's native lib
-add_library(${PROJECT_NAME} SHARED archive.c fdutils.c gifutils.c)
-target_include_directories(${PROJECT_NAME} PUBLIC libarchive/libarchive)
-target_link_libraries(${PROJECT_NAME} archive_static log -Wl,--gc-sections)
+add_library(${PROJECT_NAME} SHARED archive.c fdutils.c gifutils.c natsort/strnatcmp.c)
+target_link_libraries(${PROJECT_NAME} archive_static log)

app/src/main/cpp/archive.c

@@ -17,14 +17,12 @@
  * EhViewer. If not, see <https://www.gnu.org/licenses/>.
  */
 
-#include <assert.h>
 #include <stdbool.h>
 #include <stdlib.h>
 #include <string.h>
 #include <errno.h>
 #include <pthread.h>
 #include <sys/mman.h>
-#include <syscall.h>
 
 #include <jni.h>
 #include <android/log.h>
@@ -34,6 +32,7 @@
 
 #define LOG_TAG "libarchive_wrapper"
 
+#include "natsort/strnatcmp.h"
 #include "ehviewer.h"
 
 typedef struct {
@@ -46,12 +45,25 @@ typedef struct {
 typedef struct {
     const char *filename;
     int index;
+    size_t size;
 } entry;
 
 pthread_mutex_t ctx_lock;
 static archive_ctx **ctx_pool;
 #define CTX_POOL_SIZE 20
 
+static void *mempool = NULL;
+static size_t *mempoolofs = NULL;
+
+#define PAGE_ALIGN(x) ((x + ~PAGE_MASK) & PAGE_MASK)
+
+#define MEMPOOL_ADDR_BY_SORTED_IDX(x) (mempool + (index ? mempoolofs[index - 1] : 0))
+#define MEMPOOL_SIZE (mempoolofs[entryCount - 1])
+#define MEMPOOL_ENTITY_SIZE(x) PAGE_ALIGN(entries[x].size)
+
+#define PROT_RW (PROT_WRITE | PROT_READ)
+#define MAP_ANON_POOL (MAP_ANONYMOUS | MAP_NORESERVE | MAP_PRIVATE | MAP_UNINITIALIZED)
+
 static bool need_encrypt = false;
 static char *passwd = NULL;
 static void *archiveAddr = NULL;
@@ -59,8 +71,6 @@ static size_t archiveSize = 0;
 static entry *entries = NULL;
 static size_t entryCount = 0;
 
-#define POPULATE_THRESHOLD (512 * 1024 * 1024) // 512 MiB
-
 const char supportExt[9][6] = {
         "jpeg",
         "jpg",
@@ -87,9 +97,7 @@ static inline int filename_is_playable_file(const char *name) {
 static inline int compare_entries(const void *a, const void *b) {
     const char *fa = ((entry *) a)->filename;
     const char *fb = ((entry *) b)->filename;
-    int a_len = (int) strlen(fa);
-    int b_len = (int) strlen(fb);
-    return a_len == b_len ? strcmp(fa, fb) : a_len - b_len;
+    return strnatcmp(fa, fb);
 }
 
 static long archive_map_entries_index(archive_ctx *ctx) {
@@ -99,6 +107,7 @@ static long archive_map_entries_index(archive_ctx *ctx) {
         if (filename_is_playable_file(name)) {
             entries[count].filename = strdup(name);
             entries[count].index = count;
+            entries[count].size = archive_entry_size(ctx->entry);
             count++;
         }
     }
@@ -108,6 +117,48 @@ static long archive_map_entries_index(archive_ctx *ctx) {
     return count;
 }
 
+static bool archive_prealloc_mempool() {
+    mempoolofs = calloc(entryCount, sizeof(size_t));
+    for (int i = 0; i < entryCount; ++i) {
+        if (!i)
+            mempoolofs[i] = PAGE_ALIGN(entries[i].size);
+        else
+            mempoolofs[i] = PAGE_ALIGN(entries[i].size) + mempoolofs[i - 1];
+    }
+    mempool = mmap(0, MEMPOOL_SIZE, PROT_RW, MAP_ANON_POOL, -1, 0);
+    if (mempool == MAP_FAILED) {
+        LOGE("%s%s", "mmap failed with error ", strerror(errno));
+        return false;
+    }
+    return true;
+}
+
+
+// Mincore does not support anon mapping yet
+// Now that we use MADV_FREE, how can we detect whether pages is reclaimed?
+static bool is_mempool_pages_present_and_lock(int index) {
+    void *addr = MEMPOOL_ADDR_BY_SORTED_IDX(index);
+    size_t size = MEMPOOL_ENTITY_SIZE(index);
+    mlock(addr, size);
+#if 0
+    unsigned char vec[size / PAGE_SIZE];
+    unsigned char r = 1;
+    mincore(addr, size, vec);
+    for (int i = 0; i < size / PAGE_SIZE; ++i) r &= vec[i];
+    return r;
+#endif
+    return false;
+}
+
+#define MEMPOOL_IN_CORE_AND_LOCK(x) is_mempool_pages_present_and_lock(x)
+
+static void mempool_release_pages(void *addr, size_t size) {
+    size = PAGE_ALIGN(size);
+    munlock(addr, size);
+    int ret = madvise(addr, size, MADV_FREE);
+    if (ret == -EINVAL) madvise(addr, size, MADV_DONTNEED);
+}
+
 static long archive_list_all_entries(archive_ctx *ctx) {
     long count = 0;
     while (archive_read_next_header(ctx->arc, &ctx->entry) == ARCHIVE_OK)
@@ -158,7 +209,6 @@ static int archive_alloc_ctx(archive_ctx **ctxptr) {
 }
 
 static int archive_skip_to_index(archive_ctx *ctx, int index) {
-    assert(!(ctx->next_index > index));
     while (archive_read_next_header(ctx->arc, &ctx->entry) == ARCHIVE_OK) {
         if (!filename_is_playable_file(archive_entry_pathname(ctx->entry)))
             continue;
@@ -233,8 +283,6 @@ Java_com_hippo_UriArchiveAccessor_openArchive(JNIEnv *env, jobject thiz, jint fd
     EH_UNUSED(thiz);
     archive_ctx *ctx = NULL;
     int mmap_flags = MAP_PRIVATE;
-    if (size <= POPULATE_THRESHOLD)
-        mmap_flags |= MAP_POPULATE;
     archiveAddr = mmap64(0, size, PROT_READ, mmap_flags, fd, 0);
     if (archiveAddr == MAP_FAILED) {
         LOGE("%s%s", "mmap64 failed with error ", strerror(errno));
@@ -255,7 +303,7 @@ Java_com_hippo_UriArchiveAccessor_openArchive(JNIEnv *env, jobject thiz, jint fd
         LOGE("%s%s", "Archive open failed:", archive_error_string(ctx->arc));
     } else {
         entryCount = archive_list_all_entries(ctx);
-        LOGI("%s%ld%s", "Found ", r, " image entries in archive");
+        LOGI("%s%zu%s", "Found ", entryCount, " image entries in archive");
 
         // We must read through the file|vm then we can know whether it is encrypted
         int encryptRet = archive_read_has_encrypted_entries(ctx->arc);
@@ -292,41 +340,52 @@ Java_com_hippo_UriArchiveAccessor_openArchive(JNIEnv *env, jobject thiz, jint fd
     } else {
         entries = calloc(entryCount, sizeof(entry));
         r = archive_map_entries_index(ctx);
+        if (!archive_prealloc_mempool()) {
+            r = 0;
+            for (int i = 0; i < entryCount; ++i) {
+                free((void *) entries[i].filename);
+            }
+            free(entries);
+        }
     }
 
     archive_release_ctx(ctx);
     return r;
 }
 
+#pragma clang diagnostic push
+#pragma ide diagnostic ignored "ConstantConditionsOC"
+#pragma ide diagnostic ignored "UnreachableCode"
+
 JNIEXPORT jobject JNICALL
 Java_com_hippo_UriArchiveAccessor_extractToByteBuffer(JNIEnv *env, jobject thiz, jint index) {
     EH_UNUSED(env);
     EH_UNUSED(thiz);
-    index = entries[index].index;
-    archive_ctx *ctx = NULL;
-    int ret;
-    ret = archive_get_ctx(&ctx, index);
-    if (ret)
-        return 0;
-    long long size = archive_entry_size(ctx->entry);
-    void *buffer = malloc(size);
-    if (!buffer) {
+    void *addr = MEMPOOL_ADDR_BY_SORTED_IDX(index);
+    size_t size = entries[index].size;
+    if (!MEMPOOL_IN_CORE_AND_LOCK(index)) {
+        index = entries[index].index;
+        archive_ctx *ctx = NULL;
+        int ret;
+        ret = archive_get_ctx(&ctx, index);
+        if (ret) return 0;
+        ret = archive_read_data(ctx->arc, addr, size);
         ctx->using = 0;
-        LOGE("Allocate buffer for decompression failed:ENOMEM");
-        return 0;
+        if (ret == size)
+            return (*env)->NewDirectByteBuffer(env, addr, size);
+        if (ret != size)
+            LOGE("%s", "No enough data read, WTF?");
+        if (ret < 0)
+            LOGE("%s%s", "Archive read failed:", archive_error_string(ctx->arc));
+        mempool_release_pages(addr, size);
+    } else {
+        return (*env)->NewDirectByteBuffer(env, addr, size);
     }
-    ret = archive_read_data(ctx->arc, buffer, size);
-    ctx->using = 0;
-    if (ret == size)
-        return (*env)->NewDirectByteBuffer(env, buffer, size);
-    if (ret != size)
-        LOGE("%s", "No enough data read, WTF?");
-    if (ret < 0)
-        LOGE("%s%s", "Archive read failed:", archive_error_string(ctx->arc));
-    free(buffer);
     return 0;
 }
 
+#pragma clang diagnostic pop
+
 JNIEXPORT void JNICALL
 Java_com_hippo_UriArchiveAccessor_closeArchive(JNIEnv *env, jobject thiz) {
     EH_UNUSED(env);
@@ -339,6 +398,8 @@ Java_com_hippo_UriArchiveAccessor_closeArchive(JNIEnv *env, jobject thiz) {
     passwd = NULL;
     need_encrypt = false;
     munmap(archiveAddr, archiveSize);
+    munmap(mempool, MEMPOOL_SIZE);
+    free(mempoolofs);
     for (int i = 0; i < entryCount; ++i) {
         free((void *) entries[i].filename);
     }
@@ -415,5 +476,6 @@ JNIEXPORT void JNICALL
 Java_com_hippo_UriArchiveAccessor_releaseByteBuffer(JNIEnv *env, jobject thiz, jobject buffer) {
     EH_UNUSED(thiz);
     void *addr = (*env)->GetDirectBufferAddress(env, buffer);
-    free(addr);
-}
+    size_t size = (*env)->GetDirectBufferCapacity(env, buffer);
+    mempool_release_pages(addr, size);
+}

app/src/main/cpp/fdutils.c

@@ -1,5 +1,7 @@
 #include <jni.h>
 #include <sys/mman.h>
+#include <sys/stat.h>
+#include <sys/sendfile.h>
 
 #include <android/log.h>
 #include <string.h>
@@ -9,6 +11,8 @@
 
 #include "ehviewer.h"
 
+// TODO: Replace it with AFileDescriptor_getFd when minsdk 31
+// https://developer.android.com/ndk/reference/group/file-descriptor
 JNIEXPORT jint JNICALL
 Java_com_hippo_Native_getFd(JNIEnv *env, jclass clazz, jobject fileDescriptor) {
     jint fd = -1;
@@ -24,20 +28,9 @@ Java_com_hippo_Native_getFd(JNIEnv *env, jclass clazz, jobject fileDescriptor) {
     return fd;
 }
 
-JNIEXPORT jobject JNICALL
-Java_com_hippo_Native_mapFd(JNIEnv *env, jclass clazz, jint fd, jlong capability) {
-    void *addr = mmap(0, capability, PROT_READ | PROT_WRITE, MAP_PRIVATE, fd, 0);
-    if (addr != MAP_FAILED) {
-        return (*env)->NewDirectByteBuffer(env, addr, capability);
-    } else {
-        LOGE("%s%s", "mmap failed with error ", strerror(errno));
-        return NULL;
-    }
-}
-
 JNIEXPORT void JNICALL
-Java_com_hippo_Native_unmapDirectByteBuffer(JNIEnv *env, jclass clazz, jobject buffer) {
-    void *addr = (*env)->GetDirectBufferAddress(env, buffer);
-    size_t size = (*env)->GetDirectBufferCapacity(env, buffer);
-    if (munmap(addr, size)) LOGE("munmap addr:%p, size%zu failed!", addr, size);
+Java_com_hippo_Native_sendfile(JNIEnv *env, jclass clazz, jint from, jint to) {
+    struct stat st;
+    fstat(from, &st);
+    sendfile(to, from, 0, st.st_size);
 }

app/src/main/cpp/natsort/strnatcmp.c

@@ -0,0 +1,177 @@
+/* -*- mode: c; c-file-style: "k&r" -*-
+
+  strnatcmp.c -- Perform 'natural order' comparisons of strings in C.
+  Copyright (C) 2000, 2004 by Martin Pool <mbp sourcefrog net>
+
+  This software is provided 'as-is', without any express or implied
+  warranty.  In no event will the authors be held liable for any damages
+  arising from the use of this software.
+
+  Permission is granted to anyone to use this software for any purpose,
+  including commercial applications, and to alter it and redistribute it
+  freely, subject to the following restrictions:
+
+  1. The origin of this software must not be misrepresented; you must not
+     claim that you wrote the original software. If you use this software
+     in a product, an acknowledgment in the product documentation would be
+     appreciated but is not required.
+  2. Altered source versions must be plainly marked as such, and must not be
+     misrepresented as being the original software.
+  3. This notice may not be removed or altered from any source distribution.
+*/
+
+
+/* partial change history:
+ *
+ * 2004-10-10 mbp: Lift out character type dependencies into macros.
+ *
+ * Eric Sosman pointed out that ctype functions take a parameter whose
+ * value must be that of an unsigned int, even on platforms that have
+ * negative chars in their default char type.
+ */
+
+#include <stddef.h>     /* size_t */
+#include <ctype.h>
+
+#include "strnatcmp.h"
+
+
+/* These are defined as macros to make it easier to adapt this code to
+ * different characters types or comparison functions. */
+static inline int
+nat_isdigit(nat_char a)
+{
+     return isdigit((unsigned char) a);
+}
+
+
+static inline int
+nat_isspace(nat_char a)
+{
+     return isspace((unsigned char) a);
+}
+
+
+static inline nat_char
+nat_toupper(nat_char a)
+{
+     return toupper((unsigned char) a);
+}
+
+
+static int
+compare_right(nat_char const *a, nat_char const *b)
+{
+     int bias = 0;
+
+     /* The longest run of digits wins.  That aside, the greatest
+        value wins, but we can't know that it will until we've scanned
+        both numbers to know that they have the same magnitude, so we
+        remember it in BIAS. */
+     for (;; a++, b++) {
+          if (!nat_isdigit(*a)  &&  !nat_isdigit(*b))
+               return bias;
+          if (!nat_isdigit(*a))
+               return -1;
+          if (!nat_isdigit(*b))
+               return +1;
+          if (*a < *b) {
+               if (!bias)
+                    bias = -1;
+          } else if (*a > *b) {
+               if (!bias)
+                    bias = +1;
+          } else if (!*a  &&  !*b)
+               return bias;
+     }
+
+     return 0;
+}
+
+
+static int
+compare_left(nat_char const *a, nat_char const *b)
+{
+     /* Compare two left-aligned numbers: the first to have a
+        different value wins. */
+     for (;; a++, b++) {
+          if (!nat_isdigit(*a)  &&  !nat_isdigit(*b))
+               return 0;
+          if (!nat_isdigit(*a))
+               return -1;
+          if (!nat_isdigit(*b))
+               return +1;
+          if (*a < *b)
+               return -1;
+          if (*a > *b)
+               return +1;
+     }
+
+     return 0;
+}
+
+
+static int
+strnatcmp0(nat_char const *a, nat_char const *b, int fold_case)
+{
+     int ai, bi;
+     nat_char ca, cb;
+     int fractional, result;
+
+     ai = bi = 0;
+     while (1) {
+          ca = a[ai]; cb = b[bi];
+
+          /* skip over leading spaces or zeros */
+          while (nat_isspace(ca))
+               ca = a[++ai];
+
+          while (nat_isspace(cb))
+               cb = b[++bi];
+
+          /* process run of digits */
+          if (nat_isdigit(ca)  &&  nat_isdigit(cb)) {
+               fractional = (ca == '0' || cb == '0');
+
+               if (fractional) {
+                    if ((result = compare_left(a+ai, b+bi)) != 0)
+                         return result;
+               } else {
+                    if ((result = compare_right(a+ai, b+bi)) != 0)
+                         return result;
+               }
+          }
+
+          if (!ca && !cb) {
+               /* The strings compare the same.  Perhaps the caller
+                  will want to call strcmp to break the tie. */
+               return 0;
+          }
+
+          if (fold_case) {
+               ca = nat_toupper(ca);
+               cb = nat_toupper(cb);
+          }
+
+          if (ca < cb)
+               return -1;
+
+          if (ca > cb)
+               return +1;
+
+          ++ai; ++bi;
+     }
+}
+
+
+int
+strnatcmp(nat_char const *a, nat_char const *b) {
+     return strnatcmp0(a, b, 0);
+}
+
+
+/* Compare, recognizing numeric string and ignoring case. */
+int
+strnatcasecmp(nat_char const *a, nat_char const *b) {
+     return strnatcmp0(a, b, 1);
+}

app/src/main/cpp/natsort/strnatcmp.h

@@ -0,0 +1,38 @@
+/* -*- mode: c; c-file-style: "k&r" -*-
+
+  strnatcmp.c -- Perform 'natural order' comparisons of strings in C.
+  Copyright (C) 2000, 2004 by Martin Pool <mbp sourcefrog net>
+
+  This software is provided 'as-is', without any express or implied
+  warranty.  In no event will the authors be held liable for any damages
+  arising from the use of this software.
+
+  Permission is granted to anyone to use this software for any purpose,
+  including commercial applications, and to alter it and redistribute it
+  freely, subject to the following restrictions:
+
+  1. The origin of this software must not be misrepresented; you must not
+     claim that you wrote the original software. If you use this software
+     in a product, an acknowledgment in the product documentation would be
+     appreciated but is not required.
+  2. Altered source versions must be plainly marked as such, and must not be
+     misrepresented as being the original software.
+  3. This notice may not be removed or altered from any source distribution.
+*/
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* CUSTOMIZATION SECTION
+ *
+ * You can change this typedef, but must then also change the inline
+ * functions in strnatcmp.c */
+typedef char nat_char;
+
+int strnatcmp(nat_char const *a, nat_char const *b);
+int strnatcasecmp(nat_char const *a, nat_char const *b);
+
+#ifdef __cplusplus
+}
+#endif

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

@@ -1,17 +1,15 @@
 package androidx.navigation.ui
 
-import android.view.Menu
 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.NavGraph.Companion.findStartDestination
 import androidx.navigation.NavOptions
 
 fun onNavDestinationSelected2(item: MenuItem, navController: NavController): Boolean {
-    if (navController.currentDestination?.matchDestination(item.itemId) == true) return false
+    if (navController.currentDestination?.matchDestination(item.itemId) == true) return true
     val builder = NavOptions.Builder().setLaunchSingleTop(true)
     if (
         navController.currentDestination!!.parent!!.findNode(item.itemId)
@@ -27,13 +25,6 @@ fun onNavDestinationSelected2(item: MenuItem, navController: NavController): Boo
             .setPopEnterAnim(com.hippo.ehviewer.R.anim.scene_close_enter)
             .setPopExitAnim(com.hippo.ehviewer.R.anim.scene_close_exit)
     }
-    if (item.order and Menu.CATEGORY_SECONDARY == 0) {
-        builder.setPopUpTo(
-            navController.graph.findStartDestination().id,
-            inclusive = false,
-            saveState = false
-        )
-    }
     val options = builder.build()
     return try {
         // TODO provide proper API instead of using Exceptions as Control-Flow.

app/src/main/java/coil/decode/DecodeUtils.kt

@@ -0,0 +1,66 @@
+@file:JvmName("GifDecodeUtils")
+
+package coil.decode
+
+import kotlin.experimental.and
+import okio.BufferedSource
+import okio.ByteString.Companion.encodeUtf8
+
+// https://www.matthewflickinger.com/lab/whatsinagif/bits_and_bytes.asp
+private val GIF_HEADER_87A = "GIF87a".encodeUtf8()
+private val GIF_HEADER_89A = "GIF89a".encodeUtf8()
+
+// https://developers.google.com/speed/webp/docs/riff_container
+private val WEBP_HEADER_RIFF = "RIFF".encodeUtf8()
+private val WEBP_HEADER_WEBP = "WEBP".encodeUtf8()
+private val WEBP_HEADER_VPX8 = "VP8X".encodeUtf8()
+
+// https://nokiatech.github.io/heif/technical.html
+private val HEIF_HEADER_FTYP = "ftyp".encodeUtf8()
+private val HEIF_HEADER_MSF1 = "msf1".encodeUtf8()
+private val HEIF_HEADER_HEVC = "hevc".encodeUtf8()
+private val HEIF_HEADER_HEVX = "hevx".encodeUtf8()
+
+/**
+ * Return 'true' if the [source] contains a GIF image. The [source] is not consumed.
+ */
+fun DecodeUtils.isGif(source: BufferedSource): Boolean {
+    return source.rangeEquals(0, GIF_HEADER_89A) ||
+        source.rangeEquals(0, GIF_HEADER_87A)
+}
+
+/**
+ * Return 'true' if the [source] contains a WebP image. The [source] is not consumed.
+ */
+fun DecodeUtils.isWebP(source: BufferedSource): Boolean {
+    return source.rangeEquals(0, WEBP_HEADER_RIFF) &&
+        source.rangeEquals(8, WEBP_HEADER_WEBP)
+}
+
+/**
+ * Return 'true' if the [source] contains an animated WebP image. The [source] is not consumed.
+ */
+fun DecodeUtils.isAnimatedWebP(source: BufferedSource): Boolean {
+    return isWebP(source) &&
+        source.rangeEquals(12, WEBP_HEADER_VPX8) &&
+        source.request(17) &&
+        (source.buffer[16] and 0b00000010) > 0
+}
+
+/**
+ * Return 'true' if the [source] contains an HEIF image. The [source] is not consumed.
+ */
+fun DecodeUtils.isHeif(source: BufferedSource): Boolean {
+    return source.rangeEquals(4, HEIF_HEADER_FTYP)
+}
+
+/**
+ * Return 'true' if the [source] contains an animated HEIF image sequence. The [source] is not
+ * consumed.
+ */
+fun DecodeUtils.isAnimatedHeif(source: BufferedSource): Boolean {
+    return isHeif(source) &&
+        (source.rangeEquals(8, HEIF_HEADER_MSF1) ||
+            source.rangeEquals(8, HEIF_HEADER_HEVC) ||
+            source.rangeEquals(8, HEIF_HEADER_HEVX))
+}

app/src/main/java/coil/decode/FrameDelayRewritingSource.kt

@@ -0,0 +1,88 @@
+@file:Suppress("SameParameterValue")
+
+package coil.decode
+
+import okio.Buffer
+import okio.ByteString
+import okio.ByteString.Companion.decodeHex
+import okio.ForwardingSource
+import okio.Source
+
+/**
+ * A [ForwardingSource] that rewrites the GIF frame delay in every graphics control block if it's
+ * below a threshold.
+ */
+internal class FrameDelayRewritingSource(delegate: Source) : ForwardingSource(delegate) {
+
+    // An intermediary buffer so we can read and alter the data before it's written to the destination.
+    private val buffer = Buffer()
+
+    override fun read(sink: Buffer, byteCount: Long): Long {
+        // Ensure our buffer has enough bytes to satisfy this read.
+        request(byteCount)
+
+        // Short circuit if there are no bytes in the buffer.
+        if (buffer.size == 0L) {
+            return if (byteCount == 0L) 0L else -1L
+        }
+
+        // Search through the buffer and rewrite any frame delays below the threshold.
+        var bytesWritten = 0L
+        while (true) {
+            val index = indexOf(FRAME_DELAY_START_MARKER)
+            if (index == -1L) break
+
+            // Write up until the end of the frame delay start marker.
+            bytesWritten += write(sink, index + FRAME_DELAY_START_MARKER_SIZE_BYTES)
+
+            // Check for the end of the graphics control extension block.
+            if (!request(5) || buffer[4] != 0.toByte()) continue
+
+            // Rewrite the frame delay if it is below the threshold.
+            // The frame delay is stored as two unsigned bytes in reverse order
+            // (i.e. the most significant bits are in the byte that's read second).
+            val frameDelay = (buffer[2].toUByte().toInt() shl 8) or buffer[1].toUByte().toInt()
+            if (frameDelay < MINIMUM_FRAME_DELAY) {
+                sink.writeByte(buffer[0].toInt())
+                sink.writeByte(DEFAULT_FRAME_DELAY)
+                sink.writeByte(0)
+                buffer.skip(3)
+            }
+        }
+
+        // Write anything left in the source.
+        if (bytesWritten < byteCount) {
+            bytesWritten += write(sink, byteCount - bytesWritten)
+        }
+        return if (bytesWritten == 0L) -1 else bytesWritten
+    }
+
+    private fun indexOf(bytes: ByteString): Long {
+        var index = -1L
+        while (true) {
+            index = buffer.indexOf(bytes[0], index + 1)
+            if (index == -1L) break
+            if (request(bytes.size.toLong()) && buffer.rangeEquals(index, bytes)) break
+        }
+        return index
+    }
+
+    private fun write(sink: Buffer, byteCount: Long): Long {
+        return buffer.read(sink, byteCount).coerceAtLeast(0)
+    }
+
+    private fun request(byteCount: Long): Boolean {
+        if (buffer.size >= byteCount) return true
+        val toRead = byteCount - buffer.size
+        return super.read(buffer, toRead) == toRead
+    }
+
+    private companion object {
+        // https://www.matthewflickinger.com/lab/whatsinagif/bits_and_bytes.asp
+        // See: "Graphics Control Extension"
+        private val FRAME_DELAY_START_MARKER = "0021F904".decodeHex()
+        private const val FRAME_DELAY_START_MARKER_SIZE_BYTES = 4
+        private const val MINIMUM_FRAME_DELAY = 2
+        private const val DEFAULT_FRAME_DELAY = 10
+    }
+}

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

@@ -1,15 +1,8 @@
 package com.davemorrissey.labs.subscaleview
 
-import android.content.Context
 import android.graphics.Bitmap
 import android.graphics.Rect
-import android.net.Uri
-import com.davemorrissey.labs.subscaleview.provider.AssetInputProvider
 import com.davemorrissey.labs.subscaleview.provider.InputProvider
-import com.davemorrissey.labs.subscaleview.provider.OpenStreamProvider
-import com.davemorrissey.labs.subscaleview.provider.ResourceInputProvider
-import com.davemorrissey.labs.subscaleview.provider.UriInputProvider
-import java.io.InputStream
 
 /**
  * Helper class used to set the source and additional attributes from a variety of sources. Supports
@@ -83,38 +76,6 @@ class ImageSource {
     }
 
     companion object {
-        /**
-         * Create an instance from a resource. The correct resource for the device screen resolution will be used.
-         *
-         * @param resId resource ID.
-         * @return an [ImageSource] instance.
-         */
-        @JvmStatic
-        fun resource(context: Context, resId: Int): ImageSource {
-            return ImageSource(ResourceInputProvider(context, resId))
-        }
-
-        /**
-         * Create an instance from an asset name.
-         *
-         * @param assetName asset name.
-         * @return an [ImageSource] instance.
-         */
-        @JvmStatic
-        fun asset(context: Context, assetName: String): ImageSource {
-            return ImageSource(AssetInputProvider(context, assetName))
-        }
-
-        /**
-         * Create an instance from a URI.
-         *
-         * @param uri image URI.
-         * @return an [ImageSource] instance.
-         */
-        fun uri(context: Context, uri: Uri): ImageSource {
-            return ImageSource(UriInputProvider(context, uri))
-        }
-
         /**
          * Create an instance from an input provider.
          *
@@ -125,16 +86,6 @@ class ImageSource {
             return ImageSource(provider)
         }
 
-        /**
-         * Create an instance from an input stream.
-         *
-         * @param stream open input stream.
-         * @return an [ImageSource] instance.
-         */
-        fun inputStream(stream: InputStream): ImageSource {
-            return ImageSource(OpenStreamProvider(stream))
-        }
-
         /**
          * Provide a loaded bitmap for display.
          *

app/src/main/java/com/davemorrissey/labs/subscaleview/SubsamplingScaleImageView.kt

@@ -19,12 +19,9 @@ import android.view.MotionEvent
 import android.view.View
 import androidx.annotation.AnyThread
 import androidx.annotation.IntDef
-import com.davemorrissey.labs.subscaleview.ImageSource.Companion.asset
-import com.davemorrissey.labs.subscaleview.ImageSource.Companion.resource
 import com.davemorrissey.labs.subscaleview.decoder.Decoder
 import com.davemorrissey.labs.subscaleview.decoder.ImageDecoder
 import com.davemorrissey.labs.subscaleview.provider.InputProvider
-import com.hippo.ehviewer.R
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.Job
@@ -303,42 +300,6 @@ open class SubsamplingScaleImageView @JvmOverloads constructor(
         setMinimumDpi(160)
         setDoubleTapZoomDpi(160)
         setGestureDetector(context)
-
-        // Handle XML attributes
-        if (attr != null) {
-            val typedAttr = getContext().obtainStyledAttributes(attr, R.styleable.SubsamplingScaleImageView)
-            if (typedAttr.hasValue(R.styleable.SubsamplingScaleImageView_assetName)) {
-                val assetName = typedAttr.getString(R.styleable.SubsamplingScaleImageView_assetName)
-                if (assetName != null && assetName.isNotEmpty()) {
-                    setImage(asset(context, assetName))
-                }
-            }
-            if (typedAttr.hasValue(R.styleable.SubsamplingScaleImageView_src)) {
-                val resId = typedAttr.getResourceId(R.styleable.SubsamplingScaleImageView_src, 0)
-                if (resId > 0) {
-                    setImage(resource(context, resId))
-                }
-            }
-            if (typedAttr.hasValue(R.styleable.SubsamplingScaleImageView_panEnabled)) {
-                setPanEnabled(typedAttr.getBoolean(R.styleable.SubsamplingScaleImageView_panEnabled, true))
-            }
-            if (typedAttr.hasValue(R.styleable.SubsamplingScaleImageView_zoomEnabled)) {
-                isZoomEnabled = typedAttr.getBoolean(R.styleable.SubsamplingScaleImageView_zoomEnabled, true)
-            }
-            if (typedAttr.hasValue(R.styleable.SubsamplingScaleImageView_quickScaleEnabled)) {
-                isQuickScaleEnabled =
-                    typedAttr.getBoolean(R.styleable.SubsamplingScaleImageView_quickScaleEnabled, true)
-            }
-            if (typedAttr.hasValue(R.styleable.SubsamplingScaleImageView_tileBackgroundColor)) {
-                setTileBackgroundColor(
-                    typedAttr.getColor(
-                        R.styleable.SubsamplingScaleImageView_tileBackgroundColor,
-                        Color.argb(0, 0, 0, 0)
-                    )
-                )
-            }
-            typedAttr.recycle()
-        }
         quickScaleThreshold =
             TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, 20F, context.resources.displayMetrics)
     }
@@ -1953,20 +1914,20 @@ open class SubsamplingScaleImageView @JvmOverloads constructor(
         val scaleHeight = scale * sHeight
         when (panLimit) {
             PAN_LIMIT_CENTER -> {
-                vTarget.top = -(vTranslate!!.y - height / 2).coerceAtLeast(0F)
-                vTarget.left = -(vTranslate!!.x - width / 2).coerceAtLeast(0F)
+                vTarget.top = (-(vTranslate!!.y - height / 2)).coerceAtLeast(0F)
+                vTarget.left = (-(vTranslate!!.x - width / 2)).coerceAtLeast(0F)
                 vTarget.bottom = (vTranslate!!.y - (height / 2 - scaleHeight)).coerceAtLeast(0F)
                 vTarget.right = (vTranslate!!.x - (width / 2 - scaleWidth)).coerceAtLeast(0F)
             }
             PAN_LIMIT_OUTSIDE -> {
-                vTarget.top = -(vTranslate!!.y - height).coerceAtLeast(0F)
-                vTarget.left = -(vTranslate!!.x - width).coerceAtLeast(0F)
+                vTarget.top = (-(vTranslate!!.y - height)).coerceAtLeast(0F)
+                vTarget.left = (-(vTranslate!!.x - width)).coerceAtLeast(0F)
                 vTarget.bottom = (vTranslate!!.y + scaleHeight).coerceAtLeast(0F)
                 vTarget.right = (vTranslate!!.x + scaleWidth).coerceAtLeast(0F)
             }
             else -> {
-                vTarget.top = -vTranslate!!.y.coerceAtLeast(0F)
-                vTarget.left = -vTranslate!!.x.coerceAtLeast(0F)
+                vTarget.top = (-vTranslate!!.y).coerceAtLeast(0F)
+                vTarget.left = (-vTranslate!!.x).coerceAtLeast(0F)
                 vTarget.bottom = (scaleHeight + vTranslate!!.y - height).coerceAtLeast(0F)
                 vTarget.right = (scaleWidth + vTranslate!!.x - width).coerceAtLeast(0F)
             }

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

@@ -4,10 +4,8 @@ import android.content.Context
 import android.graphics.Bitmap
 import android.graphics.Point
 import android.graphics.Rect
-import kotlin.Throws
-import com.davemorrissey.labs.subscaleview.provider.InputProvider
 import com.davemorrissey.labs.subscaleview.SubsamplingScaleImageView
-import java.lang.Exception
+import com.davemorrissey.labs.subscaleview.provider.InputProvider
 
 class ImageDecoder @JvmOverloads constructor(
     private val cropBorders: Boolean,

app/src/main/java/com/davemorrissey/labs/subscaleview/provider/AssetInputProvider.kt

@@ -1,11 +0,0 @@
-package com.davemorrissey.labs.subscaleview.provider
-
-import android.content.Context
-import java.io.IOException
-
-class AssetInputProvider(context: Context, val assetName: String) : InputProvider {
-    private val assets = context.assets
-
-    @Throws(IOException::class)
-    override fun openStream() = assets.open(assetName)
-}

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

@@ -1,10 +1,3 @@
 package com.davemorrissey.labs.subscaleview.provider
 
-import java.io.IOException
-import java.io.InputStream
-import kotlin.Throws
-
-interface InputProvider {
-    @Throws(IOException::class)
-    fun openStream(): InputStream?
-}
+interface InputProvider

app/src/main/java/com/davemorrissey/labs/subscaleview/provider/OpenStreamProvider.kt

@@ -1,16 +0,0 @@
-package com.davemorrissey.labs.subscaleview.provider
-
-import java.io.IOException
-import java.io.InputStream
-import kotlin.Throws
-
-/**
- * Provider from an already open input stream.
- *
- *
- * Please keep in mind this provider is not reusable.
- */
-class OpenStreamProvider(private val stream: InputStream) : InputProvider {
-    @Throws(IOException::class)
-    override fun openStream() = stream
-}

app/src/main/java/com/davemorrissey/labs/subscaleview/provider/ResourceInputProvider.kt

@@ -1,11 +0,0 @@
-package com.davemorrissey.labs.subscaleview.provider
-
-import android.content.Context
-import java.io.IOException
-
-class ResourceInputProvider(context: Context, val resource: Int) : InputProvider {
-    private val resources = context.resources
-
-    @Throws(IOException::class)
-    override fun openStream() = resources.openRawResource(resource)
-}

app/src/main/java/com/davemorrissey/labs/subscaleview/provider/UriInputProvider.kt

@@ -1,13 +0,0 @@
-package com.davemorrissey.labs.subscaleview.provider
-
-import android.content.Context
-import android.net.Uri
-import java.io.IOException
-import kotlin.Throws
-
-class UriInputProvider(context: Context, val uri: Uri) : InputProvider {
-    private val resolver = context.contentResolver
-
-    @Throws(IOException::class)
-    override fun openStream() = resolver.openInputStream(uri)
-}

app/src/main/java/com/hippo/Native.kt

@@ -17,8 +17,8 @@
  */
 package com.hippo
 
+import android.os.ParcelFileDescriptor
 import java.io.FileDescriptor
-import java.nio.ByteBuffer
 
 object Native {
     fun initialize() {
@@ -29,8 +29,20 @@ object Native {
     external fun getFd(fd: FileDescriptor?): Int
 
     @JvmStatic
-    external fun mapFd(fd: Int, capability: Long): ByteBuffer?
+    external fun sendfile(from: Int, to: Int)
+}
 
-    @JvmStatic
-    external fun unmapDirectByteBuffer(buffer: ByteBuffer)
+val FileDescriptor.fd
+    get() = Native.getFd(this)
+
+infix fun ParcelFileDescriptor.receivefrom(fd: FileDescriptor) {
+    Native.sendfile(fd.fd, getFd())
+}
+
+infix fun ParcelFileDescriptor.copyTo(fd: FileDescriptor) {
+    Native.sendfile(getFd(), fd.fd)
+}
+
+infix fun ParcelFileDescriptor.copyTo(fd: ParcelFileDescriptor) {
+    Native.sendfile(getFd(), fd.fd)
 }

app/src/main/java/com/hippo/UriArchiveAccessor.kt

@@ -18,13 +18,16 @@
 package com.hippo
 
 import android.content.Context
+import android.graphics.ImageDecoder
 import android.net.Uri
+import android.util.Log
 import com.hippo.image.Image
 import java.nio.ByteBuffer
 
-class UriArchiveAccessor(ctx: Context, uri: Uri) {
+class UriArchiveAccessor(ctx: Context, private val uri: Uri) {
     val pfd by lazy { ctx.contentResolver.openFileDescriptor(uri, "r")!! }
     fun open(): Int {
+        Log.d(DEBUG_TAG, "Open archive $uri")
         return openArchive(pfd.fd, pfd.statSize)
     }
 
@@ -38,16 +41,18 @@ class UriArchiveAccessor(ctx: Context, uri: Uri) {
     fun close() {
         closeArchive()
         pfd.close()
+        Log.d(DEBUG_TAG, "Close archive $uri successfully!")
     }
 
-    fun getImageSource(index: Int): Image.ByteBufferSource? {
+    fun getImageSource(index: Int): Image.CloseableSource? {
         val buffer = extractToByteBuffer(index)
         buffer ?: return null
         check(buffer.isDirect)
-        return object : Image.ByteBufferSource {
-            override fun getByteBuffer(): ByteBuffer {
-                return buffer
-            }
+        Image.rewriteGifSource(buffer)
+        val source = ImageDecoder.createSource(buffer)
+        return object : Image.CloseableSource {
+            override val source: ImageDecoder.Source
+                get() = source
 
             override fun close() {
                 releaseByteBuffer(buffer)
@@ -59,4 +64,6 @@ class UriArchiveAccessor(ctx: Context, uri: Uri) {
         @JvmStatic
         private external fun releaseByteBuffer(buffer: ByteBuffer)
     }
-}
+}
+
+private const val DEBUG_TAG = "UriArchiveAccessor"

app/src/main/java/com/hippo/app/ListCheckBoxDialogBuilder.kt

@@ -26,9 +26,12 @@ import androidx.appcompat.app.AlertDialog
 import com.hippo.ehviewer.R
 import com.hippo.yorozuya.ViewUtils
 
-class ListCheckBoxDialogBuilder constructor(
-    context: Context, items: Array<CharSequence>,
-    listener: OnItemClickListener?, checkText: String?, checked: Boolean
+class ListCheckBoxDialogBuilder(
+    context: Context,
+    items: List<CharSequence>,
+    listener: (ListCheckBoxDialogBuilder?, AlertDialog?, Int) -> Unit,
+    checkText: String?,
+    checked: Boolean
 ) : BaseDialogBuilder(
     context
 ) {
@@ -42,10 +45,6 @@ class ListCheckBoxDialogBuilder constructor(
         return mDialog as AlertDialog
     }
 
-    interface OnItemClickListener {
-        fun onItemClick(builder: ListCheckBoxDialogBuilder?, dialog: AlertDialog?, position: Int)
-    }
-
     init {
         val view =
             LayoutInflater.from(getContext()).inflate(R.layout.dialog_list_checkbox_builder, null)
@@ -55,7 +54,7 @@ class ListCheckBoxDialogBuilder constructor(
         listView.adapter = ArrayAdapter(getContext(), R.layout.item_select_dialog, items)
         listView.onItemClickListener =
             AdapterView.OnItemClickListener { _: AdapterView<*>?, _: View?, position: Int, _: Long ->
-                listener?.onItemClick(this@ListCheckBoxDialogBuilder, mDialog, position)
+                listener(this@ListCheckBoxDialogBuilder, mDialog, position)
                 mDialog?.dismiss()
             }
         mCheckBox.text = checkText

app/src/main/java/com/hippo/compat/SpiderInfoCompat.kt

@@ -0,0 +1,40 @@
+package com.hippo.compat
+
+import com.hippo.ehviewer.spider.SpiderInfo
+import com.hippo.yorozuya.IOUtils
+import java.io.InputStream
+
+fun readLegacySpiderInfo(inputStream: InputStream): SpiderInfo {
+    fun read(): String {
+        return IOUtils.readAsciiLine(inputStream)
+    }
+
+    fun readInt(): Int {
+        return read().toInt()
+    }
+
+    fun readLong(): Long {
+        return read().toLong()
+    }
+    repeat(2) { read() } // We assert that only info v2
+    val gid = readLong()
+    val token = read()
+    read()
+    val previewPages = readInt()
+    val previewPerPage = readInt()
+    val pages = read().toInt()
+    val pTokenMap = hashMapOf<Int, String>()
+    val info = SpiderInfo(gid, pages, pTokenMap, 0, token, previewPages, previewPerPage)
+    runCatching {
+        val line = read()
+        val pos = line.indexOf(" ")
+        if (pos > 0) {
+            val index = line.substring(0, pos).toInt()
+            val pToken = line.substring(pos + 1)
+            if (pToken.isNotEmpty()) {
+                pTokenMap[index] = pToken
+            }
+        }
+    }
+    return info
+}

app/src/main/java/com/hippo/drawable/DrawableWrapper.java

@@ -1,190 +0,0 @@
-/*
- * Copyright 2018 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.drawable;
-
-import android.content.res.ColorStateList;
-import android.graphics.Canvas;
-import android.graphics.ColorFilter;
-import android.graphics.PorterDuff;
-import android.graphics.Rect;
-import android.graphics.Region;
-import android.graphics.drawable.BitmapDrawable;
-import android.graphics.drawable.Drawable;
-
-import androidx.annotation.NonNull;
-import androidx.core.graphics.drawable.DrawableCompat;
-
-public class DrawableWrapper extends Drawable implements Drawable.Callback {
-    private Drawable mDrawable;
-    private Rect mBounds;
-
-    public DrawableWrapper(Drawable drawable) {
-        this.setWrappedDrawable(drawable);
-    }
-
-    public void draw(@NonNull Canvas canvas) {
-        if (mDrawable instanceof BitmapDrawable bitmapDrawable) {
-            canvas.drawBitmap(bitmapDrawable.getBitmap(), null, mBounds, bitmapDrawable.getPaint());
-        } else {
-            synchronized (mDrawable) {
-                mDrawable.setBounds(mBounds);
-                mDrawable.draw(canvas);
-            }
-        }
-    }
-
-    protected void onBoundsChange(Rect bounds) {
-        mBounds = bounds;
-    }
-
-    public int getChangingConfigurations() {
-        return this.mDrawable.getChangingConfigurations();
-    }
-
-    public void setChangingConfigurations(int configs) {
-        this.mDrawable.setChangingConfigurations(configs);
-    }
-
-    public void setDither(boolean dither) {
-        this.mDrawable.setDither(dither);
-    }
-
-    public void setFilterBitmap(boolean filter) {
-        this.mDrawable.setFilterBitmap(filter);
-    }
-
-    public void setAlpha(int alpha) {
-        this.mDrawable.setAlpha(alpha);
-    }
-
-    public void setColorFilter(ColorFilter cf) {
-        this.mDrawable.setColorFilter(cf);
-    }
-
-    public boolean isStateful() {
-        return this.mDrawable.isStateful();
-    }
-
-    public boolean setState(@NonNull int[] stateSet) {
-        return this.mDrawable.setState(stateSet);
-    }
-
-    @NonNull
-    public int[] getState() {
-        return this.mDrawable.getState();
-    }
-
-    public void jumpToCurrentState() {
-        this.mDrawable.jumpToCurrentState();
-    }
-
-    @NonNull
-    public Drawable getCurrent() {
-        return this.mDrawable.getCurrent();
-    }
-
-    public boolean setVisible(boolean visible, boolean restart) {
-        return super.setVisible(visible, restart) || this.mDrawable.setVisible(visible, restart);
-    }
-
-    public int getOpacity() {
-        return this.mDrawable.getOpacity();
-    }
-
-    public Region getTransparentRegion() {
-        return this.mDrawable.getTransparentRegion();
-    }
-
-    public int getIntrinsicWidth() {
-        return this.mDrawable.getIntrinsicWidth();
-    }
-
-    public int getIntrinsicHeight() {
-        return this.mDrawable.getIntrinsicHeight();
-    }
-
-    public int getMinimumWidth() {
-        return this.mDrawable.getMinimumWidth();
-    }
-
-    public int getMinimumHeight() {
-        return this.mDrawable.getMinimumHeight();
-    }
-
-    public boolean getPadding(@NonNull Rect padding) {
-        return this.mDrawable.getPadding(padding);
-    }
-
-    public void invalidateDrawable(@NonNull Drawable who) {
-        this.invalidateSelf();
-    }
-
-    public void scheduleDrawable(@NonNull Drawable who, @NonNull Runnable what, long when) {
-        this.scheduleSelf(what, when);
-    }
-
-    public void unscheduleDrawable(@NonNull Drawable who, @NonNull Runnable what) {
-        this.unscheduleSelf(what);
-    }
-
-    protected boolean onLevelChange(int level) {
-        return this.mDrawable.setLevel(level);
-    }
-
-    public boolean isAutoMirrored() {
-        return DrawableCompat.isAutoMirrored(this.mDrawable);
-    }
-
-    public void setAutoMirrored(boolean mirrored) {
-        DrawableCompat.setAutoMirrored(this.mDrawable, mirrored);
-    }
-
-    public void setTint(int tint) {
-        DrawableCompat.setTint(this.mDrawable, tint);
-    }
-
-    public void setTintList(ColorStateList tint) {
-        DrawableCompat.setTintList(this.mDrawable, tint);
-    }
-
-    public void setTintMode(@NonNull PorterDuff.Mode tintMode) {
-        DrawableCompat.setTintMode(this.mDrawable, tintMode);
-    }
-
-    public void setHotspot(float x, float y) {
-        DrawableCompat.setHotspot(this.mDrawable, x, y);
-    }
-
-    public void setHotspotBounds(int left, int top, int right, int bottom) {
-        DrawableCompat.setHotspotBounds(this.mDrawable, left, top, right, bottom);
-    }
-
-    public Drawable getWrappedDrawable() {
-        return this.mDrawable;
-    }
-
-    public void setWrappedDrawable(Drawable drawable) {
-        if (this.mDrawable != null) {
-            this.mDrawable.setCallback(null);
-        }
-
-        this.mDrawable = drawable;
-        if (drawable != null) {
-            drawable.setCallback(this);
-        }
-    }
-}

app/src/main/java/com/hippo/drawable/PreciselyClipDrawable.java

@@ -1,104 +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.drawable;
-
-import android.graphics.Canvas;
-import android.graphics.Rect;
-import android.graphics.RectF;
-import android.graphics.drawable.Drawable;
-
-import com.hippo.yorozuya.MathUtils;
-
-/**
- * Show a part of the original drawable
- */
-public class PreciselyClipDrawable extends DrawableWrapper {
-
-    private final boolean mClip;
-    private RectF mScale;
-    private Rect mTemp;
-
-    public PreciselyClipDrawable(Drawable drawable, int offsetX, int offsetY, int width, int height) {
-        super(drawable);
-        float originWidth = drawable.getIntrinsicWidth();
-        float originHeight = drawable.getIntrinsicHeight();
-
-        if (originWidth <= 0 || originHeight <= 0) {
-            // Can not clip
-            mClip = false;
-        } else {
-            mClip = true;
-            mScale = new RectF();
-            mScale.set(MathUtils.clamp(offsetX / originWidth, 0.0f, 1.0f),
-                    MathUtils.clamp(offsetY / originHeight, 0.0f, 1.0f),
-                    MathUtils.clamp((offsetX + width) / originWidth, 0.0f, 1.0f),
-                    MathUtils.clamp((offsetY + height) / originHeight, 0.0f, 1.0f));
-            mTemp = new Rect();
-        }
-    }
-
-    @Override
-    protected void onBoundsChange(Rect bounds) {
-        if (mClip) {
-            if (!mScale.isEmpty()) {
-                mTemp.left = (int) ((mScale.left * bounds.right - mScale.right * bounds.left) /
-                        (mScale.left * (1 - mScale.right) - mScale.right * (1 - mScale.left)));
-                mTemp.right = (int) (((1 - mScale.right) * bounds.left - (1 - mScale.left) * bounds.right) /
-                        (mScale.left * (1 - mScale.right) - mScale.right * (1 - mScale.left)));
-                mTemp.top = (int) ((mScale.top * bounds.bottom - mScale.bottom * bounds.top) /
-                        (mScale.top * (1 - mScale.bottom) - mScale.bottom * (1 - mScale.top)));
-                mTemp.bottom = (int) (((1 - mScale.bottom) * bounds.top - (1 - mScale.top) * bounds.bottom) /
-                        (mScale.top * (1 - mScale.bottom) - mScale.bottom * (1 - mScale.top)));
-                super.onBoundsChange(mTemp);
-            }
-        } else {
-            super.onBoundsChange(bounds);
-        }
-    }
-
-    @Override
-    public int getIntrinsicWidth() {
-        if (mClip) {
-            return (int) (super.getIntrinsicWidth() * mScale.width());
-        } else {
-            return super.getIntrinsicWidth();
-        }
-    }
-
-    @Override
-    public int getIntrinsicHeight() {
-        if (mClip) {
-            return (int) (super.getIntrinsicHeight() * mScale.height());
-        } else {
-            return super.getIntrinsicHeight();
-        }
-    }
-
-    @Override
-    public void draw(Canvas canvas) {
-        if (mClip) {
-            if (!mScale.isEmpty()) {
-                int saveCount = canvas.save();
-                canvas.clipRect(getBounds());
-                super.draw(canvas);
-                canvas.restoreToCount(saveCount);
-            }
-        } else {
-            super.draw(canvas);
-        }
-    }
-}

app/src/main/java/com/hippo/drawable/PreciselyClipDrawable.kt

@@ -0,0 +1,68 @@
+/*
+ * 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.drawable
+
+import android.graphics.Canvas
+import android.graphics.Rect
+import android.graphics.RectF
+import android.graphics.drawable.Drawable
+import android.graphics.drawable.DrawableWrapper
+import androidx.core.graphics.withClip
+
+/**
+ * Show a part of the original drawable
+ */
+class PreciselyClipDrawable(
+    drawable: Drawable,
+    offsetX: Int,
+    offsetY: Int,
+    width: Int,
+    height: Int
+) : DrawableWrapper(drawable) {
+    private val mScale: RectF
+    private val mTemp = Rect()
+
+    init {
+        val originWidth = drawable.intrinsicWidth.toFloat()
+        val originHeight = drawable.intrinsicHeight.toFloat()
+        mScale = RectF(
+            (offsetX / originWidth).coerceIn(0.0f, 1.0f),
+            (offsetY / originHeight).coerceIn(0.0f, 1.0f),
+            ((offsetX + width) / originWidth).coerceIn(0.0f, 1.0f),
+            ((offsetY + height) / originHeight).coerceIn(0.0f, 1.0f),
+        )
+    }
+
+    override fun onBoundsChange(bounds: Rect) {
+        mTemp.left = ((mScale.left * bounds.right - mScale.right * bounds.left) / (mScale.left * (1 - mScale.right) - mScale.right * (1 - mScale.left))).toInt()
+        mTemp.right = (((1 - mScale.right) * bounds.left - (1 - mScale.left) * bounds.right) / (mScale.left * (1 - mScale.right) - mScale.right * (1 - mScale.left))).toInt()
+        mTemp.top = ((mScale.top * bounds.bottom - mScale.bottom * bounds.top) / (mScale.top * (1 - mScale.bottom) - mScale.bottom * (1 - mScale.top))).toInt()
+        mTemp.bottom = (((1 - mScale.bottom) * bounds.top - (1 - mScale.top) * bounds.bottom) / (mScale.top * (1 - mScale.bottom) - mScale.bottom * (1 - mScale.top))).toInt()
+        super.onBoundsChange(mTemp)
+    }
+
+    override fun getIntrinsicWidth(): Int {
+        return (super.getIntrinsicWidth() * mScale.width()).toInt()
+    }
+
+    override fun getIntrinsicHeight(): Int {
+        return (super.getIntrinsicHeight() * mScale.height()).toInt()
+    }
+
+    override fun draw(canvas: Canvas) {
+        canvas.withClip(bounds) { super.draw(canvas) }
+    }
+}

app/src/main/java/com/hippo/ehviewer/Crash.java

@@ -1,202 +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;
-
-import android.content.Context;
-import android.content.pm.PackageInfo;
-import android.content.pm.PackageManager;
-import android.os.Build;
-import android.os.Debug;
-
-import androidx.annotation.NonNull;
-
-import com.hippo.util.PackageUtils;
-import com.hippo.util.ReadableTime;
-import com.hippo.yorozuya.FileUtils;
-import com.hippo.yorozuya.IOUtils;
-import com.hippo.yorozuya.OSUtils;
-
-import java.io.File;
-import java.io.FileWriter;
-import java.io.IOException;
-import java.io.PrintWriter;
-import java.util.Arrays;
-
-public final class Crash {
-    private Crash() {
-    }
-
-    @NonNull
-    private static String avoidNull(String str) {
-        return null != str ? str : "null";
-    }
-
-    private static void collectInfo(Context context, FileWriter fw) throws IOException {
-        try {
-            PackageManager pm = context.getPackageManager();
-            PackageInfo pi = pm.getPackageInfo(context.getPackageName(), PackageManager.GET_ACTIVITIES);
-            if (pi != null) {
-                String versionName = pi.versionName == null ? "null" : pi.versionName;
-                String versionCode = String.valueOf(pi.versionCode);
-                fw.write("======== PackageInfo ========\r\n");
-                fw.write("PackageName=");
-                fw.write(pi.packageName);
-                fw.write("\r\n");
-                fw.write("VersionName=");
-                fw.write(versionName);
-                fw.write("\r\n");
-                fw.write("VersionCode=");
-                fw.write(versionCode);
-                fw.write("\r\n");
-                String signature = PackageUtils.getSignature(context, pi.packageName);
-                fw.write("Signature=");
-                fw.write(null != signature ? signature : "null");
-                fw.write("\r\n");
-                fw.write("\r\n");
-            }
-        } catch (PackageManager.NameNotFoundException e) {
-            fw.write("======== PackageInfo ========\r\n");
-            fw.write("Can't get package information\r\n");
-            fw.write("\r\n");
-        }
-
-        // Runtime
-        String topActivityClazzName = "null";
-        fw.write("======== Runtime ========\r\n");
-        fw.write("TopActivity=");
-        fw.write(avoidNull(topActivityClazzName));
-        fw.write("\r\n");
-        fw.write("\r\n");
-        fw.write("\r\n");
-
-        // Device info
-        fw.write("======== DeviceInfo ========\r\n");
-        fw.write("BOARD=");
-        fw.write(Build.BOARD);
-        fw.write("\r\n");
-        fw.write("BOOTLOADER=");
-        fw.write(Build.BOOTLOADER);
-        fw.write("\r\n");
-        fw.write("SUPPORTED_ABIS=");
-        fw.write(Arrays.toString(Build.SUPPORTED_ABIS));
-        fw.write("\r\n");
-        fw.write("DEVICE=");
-        fw.write(Build.DEVICE);
-        fw.write("\r\n");
-        fw.write("DISPLAY=");
-        fw.write(Build.DISPLAY);
-        fw.write("\r\n");
-        fw.write("FINGERPRINT=");
-        fw.write(Build.FINGERPRINT);
-        fw.write("\r\n");
-        fw.write("HARDWARE=");
-        fw.write(Build.HARDWARE);
-        fw.write("\r\n");
-        fw.write("HOST=");
-        fw.write(Build.HOST);
-        fw.write("\r\n");
-        fw.write("ID=");
-        fw.write(Build.ID);
-        fw.write("\r\n");
-        fw.write("MANUFACTURER=");
-        fw.write(Build.MANUFACTURER);
-        fw.write("\r\n");
-        fw.write("MODEL=");
-        fw.write(Build.MODEL);
-        fw.write("\r\n");
-        fw.write("PRODUCT=");
-        fw.write(Build.PRODUCT);
-        fw.write("\r\n");
-        fw.write("RADIO=");
-        fw.write(Build.getRadioVersion());
-        fw.write("\r\n");
-        fw.write("TAGS=");
-        fw.write(Build.TAGS);
-        fw.write("\r\n");
-        fw.write("TYPE=");
-        fw.write(Build.TYPE);
-        fw.write("\r\n");
-        fw.write("USER=");
-        fw.write(Build.USER);
-        fw.write("\r\n");
-        fw.write("CODENAME=");
-        fw.write(Build.VERSION.CODENAME);
-        fw.write("\r\n");
-        fw.write("INCREMENTAL=");
-        fw.write(Build.VERSION.INCREMENTAL);
-        fw.write("\r\n");
-        fw.write("RELEASE=");
-        fw.write(Build.VERSION.RELEASE);
-        fw.write("\r\n");
-        fw.write("SDK=");
-        fw.write(Integer.toString(Build.VERSION.SDK_INT));
-        fw.write("\r\n");
-        fw.write("MEMORY=");
-        fw.write(
-                FileUtils.humanReadableByteCount(OSUtils.getAppAllocatedMemory(), false));
-        fw.write("\r\n");
-        fw.write("MEMORY_NATIVE=");
-        fw.write(FileUtils.humanReadableByteCount(Debug.getNativeHeapAllocatedSize(), false));
-        fw.write("\r\n");
-        fw.write("MEMORY_MAX=");
-        fw.write(FileUtils.humanReadableByteCount(OSUtils.getAppMaxMemory(), false));
-        fw.write("\r\n");
-        fw.write("MEMORY_TOTAL=");
-        fw.write(FileUtils.humanReadableByteCount(OSUtils.getTotalMemory(), false));
-        fw.write("\r\n");
-        fw.write("\r\n");
-    }
-
-    private static void getThrowableInfo(Throwable t, FileWriter fw) {
-        PrintWriter printWriter = new PrintWriter(fw);
-        t.printStackTrace(printWriter);
-        Throwable cause = t.getCause();
-        while (cause != null) {
-            cause.printStackTrace(printWriter);
-            cause = cause.getCause();
-        }
-    }
-
-    public static void saveCrashLog(Context context, Throwable t) {
-        File dir = AppConfig.getExternalCrashDir();
-        if (dir == null) {
-            return;
-        }
-
-        String nowString = ReadableTime.getFilenamableTime(System.currentTimeMillis());
-        String fileName = "crash-" + nowString + ".log";
-        File file = new File(dir, fileName);
-
-        FileWriter fw = null;
-        try {
-            fw = new FileWriter(file);
-            fw.write("TIME=");
-            fw.write(nowString);
-            fw.write("\r\n");
-            fw.write("\r\n");
-            collectInfo(context, fw);
-            fw.write("======== CrashInfo ========\r\n");
-            getThrowableInfo(t, fw);
-            fw.write("\r\n");
-            fw.flush();
-        } catch (Exception e) {
-            file.delete();
-        } finally {
-            IOUtils.closeQuietly(fw);
-        }
-    }
-}

app/src/main/java/com/hippo/ehviewer/Crash.kt

@@ -0,0 +1,173 @@
+/*
+ * 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
+
+import android.os.Build
+import android.os.Debug
+import com.hippo.util.ReadableTime
+import com.hippo.yorozuya.FileUtils
+import com.hippo.yorozuya.IOUtils
+import com.hippo.yorozuya.OSUtils
+import java.io.File
+import java.io.FileWriter
+import java.io.IOException
+import java.io.PrintWriter
+import java.util.Arrays
+
+object Crash {
+
+    @Throws(IOException::class)
+    private fun collectInfo(fw: FileWriter) {
+        fw.write("======== PackageInfo ========\r\n")
+        fw.write("PackageName=")
+        fw.write(BuildConfig.APPLICATION_ID)
+        fw.write("\r\n")
+        fw.write("VersionName=")
+        fw.write(BuildConfig.VERSION_NAME)
+        fw.write("\r\n")
+        fw.write("VersionCode=")
+        fw.write(BuildConfig.VERSION_CODE)
+        fw.write("\r\n")
+        fw.write("CommitSha=")
+        fw.write(BuildConfig.COMMIT_SHA)
+        fw.write("\r\n")
+        fw.write("BuildTime=")
+        fw.write(BuildConfig.BUILD_TIME)
+        fw.write("\r\n")
+        fw.write("\r\n")
+
+        // Runtime
+        val topActivityClazzName = EhApplication.application.topActivity?.javaClass?.name
+        fw.write("======== Runtime ========\r\n")
+        fw.write("TopActivity=")
+        fw.write(topActivityClazzName ?: "null")
+        fw.write("\r\n")
+        fw.write("\r\n")
+        fw.write("\r\n")
+
+        // Device info
+        fw.write("======== DeviceInfo ========\r\n")
+        fw.write("BOARD=")
+        fw.write(Build.BOARD)
+        fw.write("\r\n")
+        fw.write("BOOTLOADER=")
+        fw.write(Build.BOOTLOADER)
+        fw.write("\r\n")
+        fw.write("SUPPORTED_ABIS=")
+        fw.write(Arrays.toString(Build.SUPPORTED_ABIS))
+        fw.write("\r\n")
+        fw.write("DEVICE=")
+        fw.write(Build.DEVICE)
+        fw.write("\r\n")
+        fw.write("DISPLAY=")
+        fw.write(Build.DISPLAY)
+        fw.write("\r\n")
+        fw.write("FINGERPRINT=")
+        fw.write(Build.FINGERPRINT)
+        fw.write("\r\n")
+        fw.write("HARDWARE=")
+        fw.write(Build.HARDWARE)
+        fw.write("\r\n")
+        fw.write("HOST=")
+        fw.write(Build.HOST)
+        fw.write("\r\n")
+        fw.write("ID=")
+        fw.write(Build.ID)
+        fw.write("\r\n")
+        fw.write("MANUFACTURER=")
+        fw.write(Build.MANUFACTURER)
+        fw.write("\r\n")
+        fw.write("MODEL=")
+        fw.write(Build.MODEL)
+        fw.write("\r\n")
+        fw.write("PRODUCT=")
+        fw.write(Build.PRODUCT)
+        fw.write("\r\n")
+        fw.write("RADIO=")
+        fw.write(Build.getRadioVersion())
+        fw.write("\r\n")
+        fw.write("TAGS=")
+        fw.write(Build.TAGS)
+        fw.write("\r\n")
+        fw.write("TYPE=")
+        fw.write(Build.TYPE)
+        fw.write("\r\n")
+        fw.write("USER=")
+        fw.write(Build.USER)
+        fw.write("\r\n")
+        fw.write("CODENAME=")
+        fw.write(Build.VERSION.CODENAME)
+        fw.write("\r\n")
+        fw.write("INCREMENTAL=")
+        fw.write(Build.VERSION.INCREMENTAL)
+        fw.write("\r\n")
+        fw.write("RELEASE=")
+        fw.write(Build.VERSION.RELEASE)
+        fw.write("\r\n")
+        fw.write("SDK=")
+        fw.write(Build.VERSION.SDK_INT.toString())
+        fw.write("\r\n")
+        fw.write("MEMORY=")
+        fw.write(
+            FileUtils.humanReadableByteCount(OSUtils.getAppAllocatedMemory(), false)
+        )
+        fw.write("\r\n")
+        fw.write("MEMORY_NATIVE=")
+        fw.write(FileUtils.humanReadableByteCount(Debug.getNativeHeapAllocatedSize(), false))
+        fw.write("\r\n")
+        fw.write("MEMORY_MAX=")
+        fw.write(FileUtils.humanReadableByteCount(OSUtils.getAppMaxMemory(), false))
+        fw.write("\r\n")
+        fw.write("MEMORY_TOTAL=")
+        fw.write(FileUtils.humanReadableByteCount(OSUtils.getTotalMemory(), false))
+        fw.write("\r\n")
+        fw.write("\r\n")
+    }
+
+    private fun getThrowableInfo(t: Throwable, fw: FileWriter) {
+        val printWriter = PrintWriter(fw)
+        t.printStackTrace(printWriter)
+        var cause = t.cause
+        while (cause != null) {
+            cause.printStackTrace(printWriter)
+            cause = cause.cause
+        }
+    }
+
+    fun saveCrashLog(t: Throwable) {
+        val dir = AppConfig.getExternalCrashDir() ?: return
+        val nowString = ReadableTime.getFilenamableTime(System.currentTimeMillis())
+        val fileName = "crash-$nowString.log"
+        val file = File(dir, fileName)
+        var fw: FileWriter? = null
+        try {
+            fw = FileWriter(file)
+            fw.write("TIME=")
+            fw.write(nowString)
+            fw.write("\r\n")
+            fw.write("\r\n")
+            collectInfo(fw)
+            fw.write("======== CrashInfo ========\r\n")
+            getThrowableInfo(t, fw)
+            fw.write("\r\n")
+            fw.flush()
+        } catch (e: Exception) {
+            file.delete()
+        } finally {
+            IOUtils.closeQuietly(fw)
+        }
+    }
+}

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

@@ -18,39 +18,27 @@ package com.hippo.ehviewer
 
 import android.annotation.SuppressLint
 import android.app.Activity
-import android.app.ActivityManager
 import android.app.Application
 import android.content.ComponentCallbacks2
-import android.text.Html
-import android.text.method.LinkMovementMethod
-import android.view.View
-import android.widget.TextView
 import androidx.appcompat.app.AppCompatDelegate
 import androidx.collection.LruCache
-import androidx.core.content.getSystemService
 import androidx.lifecycle.DefaultLifecycleObserver
 import androidx.lifecycle.LifecycleOwner
 import androidx.lifecycle.ProcessLifecycleOwner
 import coil.ImageLoader
 import coil.ImageLoaderFactory
-import coil.disk.DiskCache
+import coil.util.DebugLogger
 import com.hippo.Native
-import com.hippo.app.BaseDialogBuilder
 import com.hippo.ehviewer.client.EhCookieStore
 import com.hippo.ehviewer.client.EhDns
-import com.hippo.ehviewer.client.EhRequestBuilder
 import com.hippo.ehviewer.client.EhSSLSocketFactory
 import com.hippo.ehviewer.client.EhTagDatabase
-import com.hippo.ehviewer.client.EhUrl
-import com.hippo.ehviewer.client.EhX509TrustManager
 import com.hippo.ehviewer.client.data.GalleryDetail
-import com.hippo.ehviewer.client.parser.EventPaneParser
+import com.hippo.ehviewer.coil.MergeInterceptor
 import com.hippo.ehviewer.dao.buildMainDB
 import com.hippo.ehviewer.download.DownloadManager
-import com.hippo.ehviewer.spider.SpiderDen
 import com.hippo.ehviewer.ui.CommonOperations
 import com.hippo.ehviewer.ui.EhActivity
-import com.hippo.util.BitmapUtils
 import com.hippo.util.ExceptionUtils
 import com.hippo.util.ReadableTime
 import com.hippo.yorozuya.FileUtils
@@ -59,15 +47,9 @@ import eu.kanade.tachiyomi.core.preference.AndroidPreferenceStore
 import eu.kanade.tachiyomi.ui.reader.setting.ReaderPreferences
 import eu.kanade.tachiyomi.util.lang.launchIO
 import kotlinx.coroutines.DelicateCoroutinesApi
-import kotlinx.coroutines.Dispatchers
-import kotlinx.coroutines.ExperimentalCoroutinesApi
-import okhttp3.Cache
-import okhttp3.HttpUrl.Companion.toHttpUrl
 import okhttp3.OkHttpClient
-import java.io.File
 import java.net.Proxy
 import java.security.KeyStore
-import java.util.Arrays
 import javax.net.ssl.TrustManagerFactory
 import javax.net.ssl.X509TrustManager
 
@@ -95,7 +77,7 @@ class EhApplication : Application(), DefaultLifecycleObserver, ImageLoaderFactor
         Thread.setDefaultUncaughtExceptionHandler { t, e ->
             try {
                 if (Settings.getSaveCrashLog()) {
-                    Crash.saveCrashLog(application, e)
+                    Crash.saveCrashLog(e)
                 }
             } catch (ignored: Throwable) {
             }
@@ -107,8 +89,6 @@ class EhApplication : Application(), DefaultLifecycleObserver, ImageLoaderFactor
         Settings.initialize()
         ReadableTime.initialize(this)
         AppConfig.initialize(this)
-        SpiderDen.initialize(this)
-        BitmapUtils.initialize(this)
         EhTagDatabase.update()
         AppCompatDelegate.setDefaultNightMode(Settings.getTheme())
         launchIO {
@@ -116,14 +96,11 @@ class EhApplication : Application(), DefaultLifecycleObserver, ImageLoaderFactor
                 ehDatabase
             }
             launchIO {
-                downloadManager
+                DownloadManager.isIdle
             }
             launchIO {
                 cleanupDownload()
             }
-            launchIO {
-                theDawnOfNewDay()
-            }
         }
         mIdGenerator.setNextId(Settings.getInt(KEY_GLOBAL_STUFF_NEXT_ID, 0))
     }
@@ -150,60 +127,6 @@ class EhApplication : Application(), DefaultLifecycleObserver, ImageLoaderFactor
         }
     }
 
-    private fun theDawnOfNewDay() {
-        if (!Settings.getRequestNews()) {
-            return
-        }
-        val store = ehCookieStore
-        val eh = EhUrl.HOST_E.toHttpUrl()
-
-        if (store.contains(eh, EhCookieStore.KEY_IPD_MEMBER_ID) || store.contains(
-                eh,
-                EhCookieStore.KEY_IPD_PASS_HASH
-            )
-        ) {
-            val referer = EhUrl.REFERER_E
-            val request = EhRequestBuilder(EhUrl.HOST_E + "news.php", referer).build()
-            val call = okHttpClient.newCall(request)
-            try {
-                call.execute().use { response ->
-                    val responseBody = response.body
-                    val body = responseBody.string()
-                    val html = EventPaneParser.parse(body)
-                    if (html != null) {
-                        showEventPane(html)
-                    }
-                }
-            } catch (e: Throwable) {
-                e.printStackTrace()
-            }
-        }
-    }
-
-    fun showEventPane(html: String) {
-        if (Settings.getHideHvEvents() && html.contains("You have encountered a monster!")) {
-            return
-        }
-        val activity = topActivity
-        activity?.runOnUiThread {
-            val dialog = BaseDialogBuilder(activity)
-                .setMessage(Html.fromHtml(html, Html.FROM_HTML_MODE_LEGACY))
-                .setPositiveButton(android.R.string.ok, null)
-                .create()
-            dialog.setOnShowListener {
-                val messageView = dialog.findViewById<View>(android.R.id.message)
-                if (messageView is TextView) {
-                    messageView.movementMethod = LinkMovementMethod.getInstance()
-                }
-            }
-            try {
-                dialog.show()
-            } catch (t: Throwable) {
-                // ignore
-            }
-        }
-    }
-
     private fun clearTempDir() {
         var dir = AppConfig.getTempDir()
         if (null != dir) {
@@ -259,15 +182,12 @@ class EhApplication : Application(), DefaultLifecycleObserver, ImageLoaderFactor
         locked = true
     }
 
-    @OptIn(ExperimentalCoroutinesApi::class)
     override fun newImageLoader(): ImageLoader {
         return ImageLoader.Builder(this).apply {
             okHttpClient(okHttpClient)
-            allowRgb565(getSystemService<ActivityManager>()!!.isLowRamDevice)
-            // Coil spawns a new thread for every image load by default
-            fetcherDispatcher(Dispatchers.IO.limitedParallelism(8))
-            decoderDispatcher(Dispatchers.IO.limitedParallelism(2))
-            transformationDispatcher(Dispatchers.IO.limitedParallelism(2))
+            components { add(MergeInterceptor) }
+            crossfade(300)
+            if (BuildConfig.DEBUG) logger(DebugLogger())
         }.build()
     }
 
@@ -290,29 +210,16 @@ class EhApplication : Application(), DefaultLifecycleObserver, ImageLoaderFactor
         val okHttpClient by lazy {
             val builder = OkHttpClient.Builder()
                 .cookieJar(ehCookieStore)
-                .cache(Cache(File(application.cacheDir, "http_cache"), 50L * 1024L * 1024L))
                 .dns(EhDns)
                 .proxySelector(ehProxySelector)
 
             if (Settings.getDF()) {
-                var trustManager: X509TrustManager
-                try {
-                    val trustManagerFactory = TrustManagerFactory.getInstance(
-                        TrustManagerFactory.getDefaultAlgorithm()
-                    )
-                    trustManagerFactory.init(null as KeyStore?)
-                    val trustManagers = trustManagerFactory.trustManagers
-                    check(!(trustManagers.size != 1 || trustManagers[0] !is X509TrustManager)) {
-                        "Unexpected default trust managers:" + Arrays.toString(
-                            trustManagers
-                        )
-                    }
-                    trustManager = trustManagers[0] as X509TrustManager
-                } catch (e: Exception) {
-                    e.printStackTrace()
-                    trustManager = EhX509TrustManager
-                }
+                val factory =
+                    TrustManagerFactory.getInstance(TrustManagerFactory.getDefaultAlgorithm())!!
+                factory.init(null as KeyStore?)
+                val manager = factory.trustManagers!!
 
+                val trustManager = manager.filterIsInstance<X509TrustManager>().first()
                 builder.sslSocketFactory(EhSSLSocketFactory, trustManager)
                 builder.proxy(Proxy.NO_PROXY)
             }
@@ -328,15 +235,6 @@ class EhApplication : Application(), DefaultLifecycleObserver, ImageLoaderFactor
             }
         }
 
-        @JvmStatic
-        val spiderInfoCache by lazy {
-            DiskCache.Builder().directory(File(application.cacheDir, "spider_info"))
-                .maxSizeBytes(20 * 1024 * 1024).build()
-        }
-
-        @JvmStatic
-        val downloadManager by lazy { DownloadManager() }
-
         @JvmStatic
         val hosts by lazy { Hosts(application, "hosts.db") }
 

app/src/main/java/com/hippo/ehviewer/EhDB.java

@@ -1,595 +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;
-
-import android.content.Context;
-import android.database.sqlite.SQLiteDatabase;
-import android.net.Uri;
-
-import androidx.annotation.NonNull;
-import androidx.annotation.Nullable;
-import androidx.paging.PagingSource;
-import androidx.room.Room;
-
-import com.hippo.ehviewer.client.data.GalleryInfo;
-import com.hippo.ehviewer.dao.BasicDao;
-import com.hippo.ehviewer.dao.DownloadDirname;
-import com.hippo.ehviewer.dao.DownloadDirnameDao;
-import com.hippo.ehviewer.dao.DownloadInfo;
-import com.hippo.ehviewer.dao.DownloadLabel;
-import com.hippo.ehviewer.dao.DownloadLabelDao;
-import com.hippo.ehviewer.dao.DownloadsDao;
-import com.hippo.ehviewer.dao.EhDatabase;
-import com.hippo.ehviewer.dao.Filter;
-import com.hippo.ehviewer.dao.HistoryDao;
-import com.hippo.ehviewer.dao.HistoryInfo;
-import com.hippo.ehviewer.dao.LocalFavoriteInfo;
-import com.hippo.ehviewer.dao.LocalFavoritesDao;
-import com.hippo.ehviewer.dao.QuickSearch;
-import com.hippo.ehviewer.dao.QuickSearchDao;
-import com.hippo.ehviewer.download.DownloadManager;
-import com.hippo.util.ExceptionUtils;
-import com.hippo.yorozuya.IOUtils;
-import com.hippo.yorozuya.ObjectUtils;
-
-import java.io.File;
-import java.io.FileInputStream;
-import java.io.FileOutputStream;
-import java.io.IOException;
-import java.io.InputStream;
-import java.io.OutputStream;
-import java.util.ArrayList;
-import java.util.List;
-
-public class EhDB {
-    private static final int CUR_DB_VER = 4;
-
-    private static final EhDatabase db = EhApplication.getEhDatabase();
-
-    private static void upgradeDB(SQLiteDatabase db, int oldVersion) {
-        switch (oldVersion) {
-            case 1: // 1 to 2, add FILTER
-                db.execSQL("CREATE TABLE IF NOT EXISTS \"FILTER\" (" + //
-                        "\"_id\" INTEGER PRIMARY KEY ," + // 0: id
-                        "\"MODE\" INTEGER NOT NULL ," + // 1: mode
-                        "\"TEXT\" TEXT," + // 2: text
-                        "\"ENABLE\" INTEGER);"); // 3: enable
-            case 2: // 2 to 3, add ENABLE column to table FILTER
-                db.execSQL("CREATE TABLE " + "\"FILTER2\" (" +
-                        "\"_id\" INTEGER PRIMARY KEY ," +
-                        "\"MODE\" INTEGER NOT NULL ," +
-                        "\"TEXT\" TEXT," +
-                        "\"ENABLE\" INTEGER);");
-                db.execSQL("INSERT INTO \"FILTER2\" (" +
-                        "_id, MODE, TEXT, ENABLE)" +
-                        "SELECT _id, MODE, TEXT, 1 FROM FILTER;");
-                db.execSQL("DROP TABLE FILTER");
-                db.execSQL("ALTER TABLE FILTER2 RENAME TO FILTER");
-            case 3: // 3 to 4, add PAGE_FROM and PAGE_TO column to QUICK_SEARCH
-                db.execSQL("CREATE TABLE " + "\"QUICK_SEARCH2\" (" +
-                        "\"_id\" INTEGER PRIMARY KEY ," +
-                        "\"NAME\" TEXT," +
-                        "\"MODE\" INTEGER NOT NULL ," +
-                        "\"CATEGORY\" INTEGER NOT NULL ," +
-                        "\"KEYWORD\" TEXT," +
-                        "\"ADVANCE_SEARCH\" INTEGER NOT NULL ," +
-                        "\"MIN_RATING\" INTEGER NOT NULL ," +
-                        "\"PAGE_FROM\" INTEGER NOT NULL ," +
-                        "\"PAGE_TO\" INTEGER NOT NULL ," +
-                        "\"TIME\" INTEGER NOT NULL );");
-                db.execSQL("INSERT INTO \"QUICK_SEARCH2\" (" +
-                        "_id, NAME, MODE, CATEGORY, KEYWORD, ADVANCE_SEARCH, MIN_RATING, PAGE_FROM, PAGE_TO, TIME)" +
-                        "SELECT _id, NAME, MODE, CATEGORY, KEYWORD, ADVANCE_SEARCH, MIN_RATING, -1, -1, TIME FROM QUICK_SEARCH;");
-                db.execSQL("DROP TABLE QUICK_SEARCH");
-                db.execSQL("ALTER TABLE QUICK_SEARCH2 RENAME TO QUICK_SEARCH");
-        }
-    }
-
-    public static synchronized List<DownloadInfo> getAllDownloadInfo() {
-        DownloadsDao dao = db.downloadsDao();
-        List<DownloadInfo> list = dao.list();
-        // Fix state
-        for (DownloadInfo info : list) {
-            if (info.state == DownloadInfo.STATE_WAIT || info.state == DownloadInfo.STATE_DOWNLOAD) {
-                info.state = DownloadInfo.STATE_NONE;
-            }
-        }
-        return list;
-    }
-
-    public static synchronized void moveDownloadInfo(int fromPosition, int toPosition) {
-        if (fromPosition == toPosition) {
-            return;
-        }
-
-        boolean reverse = fromPosition > toPosition;
-        int offset = reverse ? toPosition : fromPosition;
-        int limit = reverse ? fromPosition - toPosition + 1 : toPosition - fromPosition + 1;
-
-        DownloadsDao dao = db.downloadsDao();
-        List<DownloadInfo> list = dao.list(offset, limit);
-
-        int step = reverse ? 1 : -1;
-        int start = reverse ? limit - 1 : 0;
-        int end = reverse ? 0 : limit - 1;
-        long toTime = list.get(end).time;
-        for (int i = end; reverse ? i < start : i > start; i += step) {
-            list.get(i).time = list.get(i + step).time;
-        }
-        list.get(start).time = toTime;
-
-        dao.update(list);
-    }
-
-    // Insert or update
-    public static synchronized void putDownloadInfo(DownloadInfo downloadInfo) {
-        DownloadsDao dao = db.downloadsDao();
-        if (null != dao.load(downloadInfo.getGid())) {
-            // Update
-            dao.update(downloadInfo);
-        } else {
-            // Insert
-            dao.insert(downloadInfo);
-        }
-    }
-
-    public static synchronized void removeDownloadInfo(DownloadInfo downloadInfo) {
-        db.downloadsDao().delete(downloadInfo);
-    }
-
-    @Nullable
-    public static synchronized String getDownloadDirname(long gid) {
-        DownloadDirnameDao dao = db.downloadDirnameDao();
-        DownloadDirname raw = dao.load(gid);
-        if (raw != null) {
-            return raw.getDirname();
-        } else {
-            return null;
-        }
-    }
-
-    /**
-     * Insert or update
-     */
-    public static synchronized void putDownloadDirname(long gid, String dirname) {
-        DownloadDirnameDao dao = db.downloadDirnameDao();
-        DownloadDirname raw = dao.load(gid);
-        if (raw != null) { // Update
-            raw.setDirname(dirname);
-            dao.update(raw);
-        } else { // Insert
-            raw = new DownloadDirname();
-            raw.setGid(gid);
-            raw.setDirname(dirname);
-            dao.insert(raw);
-        }
-    }
-
-    public static synchronized void removeDownloadDirname(long gid) {
-        DownloadDirnameDao dao = db.downloadDirnameDao();
-        dao.deleteByKey(gid);
-    }
-
-    public static synchronized void clearDownloadDirname() {
-        DownloadDirnameDao dao = db.downloadDirnameDao();
-        dao.deleteAll();
-    }
-
-    @NonNull
-    public static synchronized List<DownloadLabel> getAllDownloadLabelList() {
-        DownloadLabelDao dao = db.downloadLabelDao();
-        return dao.list();
-    }
-
-    public static synchronized DownloadLabel addDownloadLabel(String label) {
-        DownloadLabelDao dao = db.downloadLabelDao();
-        DownloadLabel raw = new DownloadLabel();
-        raw.setLabel(label);
-        raw.setTime(System.currentTimeMillis());
-        raw.setId(dao.insert(raw));
-        return raw;
-    }
-
-    public static synchronized DownloadLabel addDownloadLabel(DownloadLabel raw) {
-        // Reset id
-        raw.setId(null);
-        DownloadLabelDao dao = db.downloadLabelDao();
-        raw.setId(dao.insert(raw));
-        return raw;
-    }
-
-    public static synchronized void updateDownloadLabel(DownloadLabel raw) {
-        DownloadLabelDao dao = db.downloadLabelDao();
-        dao.update(raw);
-    }
-
-    public static synchronized void moveDownloadLabel(int fromPosition, int toPosition) {
-        if (fromPosition == toPosition) {
-            return;
-        }
-
-        boolean reverse = fromPosition > toPosition;
-        int offset = reverse ? toPosition : fromPosition;
-        int limit = reverse ? fromPosition - toPosition + 1 : toPosition - fromPosition + 1;
-
-        DownloadLabelDao dao = db.downloadLabelDao();
-        List<DownloadLabel> list = dao.list(offset, limit);
-
-        int step = reverse ? 1 : -1;
-        int start = reverse ? limit - 1 : 0;
-        int end = reverse ? 0 : limit - 1;
-        long toTime = list.get(end).getTime();
-        for (int i = end; reverse ? i < start : i > start; i += step) {
-            list.get(i).setTime(list.get(i + step).getTime());
-        }
-        list.get(start).setTime(toTime);
-
-        dao.update(list);
-    }
-
-    public static synchronized void removeDownloadLabel(DownloadLabel raw) {
-        DownloadLabelDao dao = db.downloadLabelDao();
-        dao.delete(raw);
-    }
-
-    public static synchronized List<GalleryInfo> getAllLocalFavorites() {
-        LocalFavoritesDao dao = db.localFavoritesDao();
-        List<LocalFavoriteInfo> list = dao.list();
-        return new ArrayList<>(list);
-    }
-
-    public static synchronized List<GalleryInfo> searchLocalFavorites(String query) {
-        LocalFavoritesDao dao = db.localFavoritesDao();
-        List<LocalFavoriteInfo> list = dao.list("%" + query + "%");
-        return new ArrayList<>(list);
-    }
-
-    public static synchronized void removeLocalFavorites(long gid) {
-        db.localFavoritesDao().deleteByKey(gid);
-    }
-
-    public static synchronized void removeLocalFavorites(long[] gidArray) {
-        LocalFavoritesDao dao = db.localFavoritesDao();
-        for (long gid : gidArray) {
-            dao.deleteByKey(gid);
-        }
-    }
-
-    public static synchronized boolean containLocalFavorites(long gid) {
-        LocalFavoritesDao dao = db.localFavoritesDao();
-        return null != dao.load(gid);
-    }
-
-    public static synchronized void putLocalFavorites(GalleryInfo galleryInfo) {
-        LocalFavoritesDao dao = db.localFavoritesDao();
-        if (null == dao.load(galleryInfo.getGid())) {
-            LocalFavoriteInfo info;
-            if (galleryInfo instanceof LocalFavoriteInfo) {
-                info = (LocalFavoriteInfo) galleryInfo;
-            } else {
-                info = new LocalFavoriteInfo(galleryInfo);
-                info.time = System.currentTimeMillis();
-            }
-            dao.insert(info);
-        }
-    }
-
-    public static synchronized void putLocalFavorites(List<GalleryInfo> galleryInfoList) {
-        for (GalleryInfo gi : galleryInfoList) {
-            putLocalFavorites(gi);
-        }
-    }
-
-    public static synchronized List<QuickSearch> getAllQuickSearch() {
-        QuickSearchDao dao = db.quickSearchDao();
-        return dao.list();
-    }
-
-    public static synchronized void insertQuickSearch(QuickSearch quickSearch) {
-        QuickSearchDao dao = db.quickSearchDao();
-        quickSearch.setId(null);
-        quickSearch.setTime(System.currentTimeMillis());
-        quickSearch.setId(dao.insert(quickSearch));
-    }
-
-    public static synchronized void importQuickSearch(List<QuickSearch> quickSearchList) {
-        QuickSearchDao dao = db.quickSearchDao();
-        for (QuickSearch quickSearch : quickSearchList) {
-            dao.insert(quickSearch);
-        }
-    }
-
-    public static synchronized void deleteQuickSearch(QuickSearch quickSearch) {
-        QuickSearchDao dao = db.quickSearchDao();
-        dao.delete(quickSearch);
-    }
-
-    public static synchronized void moveQuickSearch(int fromPosition, int toPosition) {
-        if (fromPosition == toPosition) {
-            return;
-        }
-
-        boolean reverse = fromPosition > toPosition;
-        int offset = reverse ? toPosition : fromPosition;
-        int limit = reverse ? fromPosition - toPosition + 1 : toPosition - fromPosition + 1;
-
-        QuickSearchDao dao = db.quickSearchDao();
-        List<QuickSearch> list = dao.list(offset, limit);
-
-        int step = reverse ? 1 : -1;
-        int start = reverse ? limit - 1 : 0;
-        int end = reverse ? 0 : limit - 1;
-        long toTime = list.get(end).getTime();
-        for (int i = end; reverse ? i < start : i > start; i += step) {
-            list.get(i).setTime(list.get(i + step).getTime());
-        }
-        list.get(start).setTime(toTime);
-
-        dao.update(list);
-    }
-
-    public static synchronized PagingSource<Integer, HistoryInfo> getHistoryLazyList() {
-        return db.historyDao().listLazy();
-    }
-
-    public static synchronized void putHistoryInfo(GalleryInfo galleryInfo) {
-        HistoryDao dao = db.historyDao();
-        HistoryInfo info;
-        if (galleryInfo instanceof HistoryInfo) {
-            info = (HistoryInfo) galleryInfo;
-        } else {
-            info = new HistoryInfo(galleryInfo);
-        }
-        info.time = System.currentTimeMillis();
-        if (null != dao.load(info.getGid())) {
-            dao.update(info);
-        } else {
-            dao.insert(info);
-        }
-    }
-
-    public static synchronized void putHistoryInfo(List<HistoryInfo> historyInfoList) {
-        HistoryDao dao = db.historyDao();
-        for (HistoryInfo info : historyInfoList) {
-            if (null == dao.load(info.getGid())) {
-                dao.insert(info);
-            }
-        }
-    }
-
-    public static synchronized void deleteHistoryInfo(HistoryInfo info) {
-        HistoryDao dao = db.historyDao();
-        dao.delete(info);
-    }
-
-    public static synchronized void clearHistoryInfo() {
-        HistoryDao dao = db.historyDao();
-        dao.deleteAll();
-    }
-
-    public static synchronized List<Filter> getAllFilter() {
-        return db.filterDao().list();
-    }
-
-    public static synchronized boolean addFilter(Filter filter) {
-        Filter existFilter;
-        try {
-            existFilter = db.filterDao().load(filter.text, filter.mode);
-        } catch (Exception e) {
-            existFilter = null;
-        }
-        if (existFilter == null) {
-            filter.setId(null);
-            filter.setId(db.filterDao().insert(filter));
-            return true;
-        } else {
-            return false;
-        }
-    }
-
-    public static synchronized void deleteFilter(Filter filter) {
-        db.filterDao().delete(filter);
-    }
-
-    public static synchronized void triggerFilter(Filter filter) {
-        filter.enable = !filter.enable;
-        db.filterDao().update(filter);
-    }
-
-    private static <T> void copyDao(BasicDao<T> from, BasicDao<T> to) {
-        List<T> list = from.list();
-        for (T item : list)
-            to.insert(item);
-    }
-
-    public static synchronized boolean exportDB(Context context, Uri uri) {
-        final String ehExportName = "eh.export.db";
-
-        // Delete old export db
-        context.deleteDatabase(ehExportName);
-        EhDatabase newDb = Room.databaseBuilder(context, EhDatabase.class, ehExportName).allowMainThreadQueries().build();
-
-        try {
-            // Copy data to a export db
-            copyDao(db.downloadsDao(), newDb.downloadsDao());
-            copyDao(db.downloadLabelDao(), newDb.downloadLabelDao());
-            copyDao(db.downloadDirnameDao(), newDb.downloadDirnameDao());
-            copyDao(db.historyDao(), newDb.historyDao());
-            copyDao(db.quickSearchDao(), newDb.quickSearchDao());
-            copyDao(db.localFavoritesDao(), newDb.localFavoritesDao());
-            copyDao(db.filterDao(), newDb.filterDao());
-
-            // Close export db so we can copy it
-            if (newDb.isOpen()) {
-                newDb.close();
-            }
-
-            // Copy export db to data dir
-            File dbFile = context.getDatabasePath(ehExportName);
-            if (dbFile == null || !dbFile.isFile()) {
-                return false;
-            }
-            InputStream is = null;
-            OutputStream os = null;
-            try {
-                is = new FileInputStream(dbFile);
-                os = context.getContentResolver().openOutputStream(uri);
-                IOUtils.copy(is, os);
-                return true;
-            } catch (IOException e) {
-                e.printStackTrace();
-            } finally {
-                IOUtils.closeQuietly(is);
-                IOUtils.closeQuietly(os);
-            }
-
-            // Delete failed file
-            return false;
-        } finally {
-            context.deleteDatabase(ehExportName);
-        }
-    }
-
-    /**
-     * @return error string, null for no error
-     */
-    public static synchronized String importDB(Context context, Uri uri) {
-        try {
-            InputStream inputStream = context.getContentResolver().openInputStream(uri);
-
-            // Copy file to cache dir
-            File file = File.createTempFile("importDatabase", "");
-            FileOutputStream outputStream = new FileOutputStream(file);
-            byte[] buff = new byte[1024];
-            int read;
-            if (inputStream != null) {
-                while ((read = inputStream.read(buff, 0, buff.length)) > 0) {
-                    outputStream.write(buff, 0, read);
-                }
-            } else {
-                return context.getString(R.string.cant_read_the_file);
-            }
-            inputStream.close();
-            outputStream.close();
-
-            // Check database version
-            SQLiteDatabase oldDB = SQLiteDatabase.openDatabase(
-                    file.getPath(), null, SQLiteDatabase.NO_LOCALIZED_COLLATORS);
-            int newVersion = CUR_DB_VER;
-            int oldVersion = oldDB.getVersion();
-            if (oldVersion < newVersion) {
-                upgradeDB(oldDB, oldVersion);
-                oldDB.setVersion(newVersion);
-            } else if (oldVersion > newVersion) {
-                return context.getString(R.string.db_version_too_high);
-            }
-
-            // Crete temp room database from cache file
-            String tmpDBName = "tmp.db";
-            context.deleteDatabase(tmpDBName);
-            EhDatabase oldRoomDatabase = Room.databaseBuilder(context, EhDatabase.class, tmpDBName)
-                    .createFromFile(file).allowMainThreadQueries().build();
-
-            // Download label
-            DownloadManager manager = EhApplication.getDownloadManager();
-            try {
-                List<DownloadLabel> downloadLabelList = oldRoomDatabase.downloadLabelDao().list();
-                manager.addDownloadLabel(downloadLabelList);
-            } catch (Exception ignored) {
-            }
-
-            // Downloads
-            try {
-                List<DownloadInfo> downloadInfoList = oldRoomDatabase.downloadsDao().list();
-                manager.addDownload(downloadInfoList, false);
-            } catch (Exception ignored) {
-            }
-
-            // Download dirname
-            try {
-                List<DownloadDirname> downloadDirnameList = oldRoomDatabase.downloadDirnameDao().list();
-                for (DownloadDirname dirname : downloadDirnameList) {
-                    putDownloadDirname(dirname.getGid(), dirname.getDirname());
-                }
-            } catch (Exception ignored) {
-            }
-
-            // History
-            try {
-                List<HistoryInfo> historyInfoList = oldRoomDatabase.historyDao().list();
-                putHistoryInfo(historyInfoList);
-            } catch (Exception ignored) {
-            }
-
-            // QuickSearch
-            try {
-                List<QuickSearch> quickSearchList = oldRoomDatabase.quickSearchDao().list();
-                List<QuickSearch> currentQuickSearchList = db.quickSearchDao().list();
-                List<QuickSearch> importList = new ArrayList<>();
-                for (QuickSearch quickSearch : quickSearchList) {
-                    String name = quickSearch.getName();
-                    for (QuickSearch q : currentQuickSearchList) {
-                        if (ObjectUtils.equal(q.getName(), name)) {
-                            // The same name
-                            name = null;
-                            break;
-                        }
-                    }
-                    if (null == name) {
-                        continue;
-                    }
-                    importList.add(quickSearch);
-                }
-                importQuickSearch(importList);
-            } catch (Exception ignored) {
-            }
-
-            // LocalFavorites
-            try {
-                List<LocalFavoriteInfo> localFavoriteInfoList = oldRoomDatabase.localFavoritesDao().list();
-                for (LocalFavoriteInfo info : localFavoriteInfoList) {
-                    putLocalFavorites(info);
-                }
-            } catch (Exception ignored) {
-            }
-
-            // Filter
-            try {
-                List<Filter> filterList = oldRoomDatabase.filterDao().list();
-                List<Filter> currentFilterList = db.filterDao().list();
-                for (Filter filter : filterList) {
-                    if (!currentFilterList.contains(filter)) {
-                        addFilter(filter);
-                    }
-                }
-            } catch (Exception ignored) {
-            }
-
-            // Delete temp database
-            if (oldRoomDatabase.isOpen()) {
-                oldRoomDatabase.close();
-            }
-            context.deleteDatabase(tmpDBName);
-
-            return null;
-        } catch (Throwable e) {
-            ExceptionUtils.throwIfFatal(e);
-            // Ignore
-            return context.getString(R.string.cant_read_the_file);
-        }
-    }
-}

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

@@ -0,0 +1,459 @@
+/*
+ * 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
+
+import android.content.Context
+import android.net.Uri
+import android.os.ParcelFileDescriptor
+import android.os.ParcelFileDescriptor.MODE_READ_ONLY
+import androidx.paging.PagingSource
+import androidx.room.Room.databaseBuilder
+import com.hippo.Native
+import com.hippo.ehviewer.EhApplication.Companion.ehDatabase
+import com.hippo.ehviewer.client.data.GalleryInfo
+import com.hippo.ehviewer.dao.BasicDao
+import com.hippo.ehviewer.dao.DownloadDirname
+import com.hippo.ehviewer.dao.DownloadInfo
+import com.hippo.ehviewer.dao.DownloadLabel
+import com.hippo.ehviewer.dao.EhDatabase
+import com.hippo.ehviewer.dao.Filter
+import com.hippo.ehviewer.dao.HistoryInfo
+import com.hippo.ehviewer.dao.LocalFavoriteInfo
+import com.hippo.ehviewer.dao.QuickSearch
+import com.hippo.ehviewer.download.DownloadManager
+
+object EhDB {
+    private const val CUR_DB_VER = 4
+    private val db = ehDatabase
+
+    // Fix state
+    @get:Synchronized
+    val allDownloadInfo: List<DownloadInfo>
+        get() = db.downloadsDao().list().onEach {
+            if (it.state == DownloadInfo.STATE_WAIT || it.state == DownloadInfo.STATE_DOWNLOAD) {
+                it.state = DownloadInfo.STATE_NONE
+            }
+        }
+
+    @Synchronized
+    fun updateDownloadInfo(downloadInfos: List<DownloadInfo>) {
+        val dao = db.downloadsDao()
+        dao.update(downloadInfos)
+    }
+
+    @Synchronized
+    fun putDownloadInfo(downloadInfo: DownloadInfo) {
+        db.downloadsDao().run {
+            if (load(downloadInfo.gid) != null) {
+                update(downloadInfo)
+            } else {
+                insert(downloadInfo)
+            }
+        }
+    }
+
+    @Synchronized
+    fun removeDownloadInfo(downloadInfo: DownloadInfo) {
+        db.downloadsDao().delete(downloadInfo)
+    }
+
+    @Synchronized
+    fun getDownloadDirname(gid: Long): String? {
+        val dao = db.downloadDirnameDao()
+        val raw = dao.load(gid)
+        return raw?.dirname
+    }
+
+    @Synchronized
+    fun putDownloadDirname(gid: Long, dirname: String?) {
+        val dao = db.downloadDirnameDao()
+        var raw = dao.load(gid)
+        if (raw != null) {
+            raw.dirname = dirname
+            dao.update(raw)
+        } else {
+            raw = DownloadDirname(gid, dirname)
+            dao.insert(raw)
+        }
+    }
+
+    @Synchronized
+    fun removeDownloadDirname(gid: Long) {
+        val dao = db.downloadDirnameDao()
+        dao.deleteByKey(gid)
+    }
+
+    @Synchronized
+    fun clearDownloadDirname() {
+        val dao = db.downloadDirnameDao()
+        dao.deleteAll()
+    }
+
+    @get:Synchronized
+    val allDownloadLabelList: List<DownloadLabel>
+        get() = db.downloadLabelDao().list()
+
+    @Synchronized
+    fun addDownloadLabel(label: String): DownloadLabel {
+        val dao = db.downloadLabelDao()
+        val raw = DownloadLabel()
+        raw.label = label
+        raw.time = System.currentTimeMillis()
+        raw.id = dao.insert(raw)
+        return raw
+    }
+
+    @Synchronized
+    fun addDownloadLabel(raw: DownloadLabel): DownloadLabel {
+        // Reset id
+        raw.id = null
+        val dao = db.downloadLabelDao()
+        raw.id = dao.insert(raw)
+        return raw
+    }
+
+    @Synchronized
+    fun updateDownloadLabel(raw: DownloadLabel?) {
+        val dao = db.downloadLabelDao()
+        dao.update(raw!!)
+    }
+
+    @Synchronized
+    fun moveDownloadLabel(fromPosition: Int, toPosition: Int) {
+        if (fromPosition == toPosition) {
+            return
+        }
+        val reverse = fromPosition > toPosition
+        val offset = if (reverse) toPosition else fromPosition
+        val limit = if (reverse) fromPosition - toPosition + 1 else toPosition - fromPosition + 1
+        val dao = db.downloadLabelDao()
+        val list = dao.list(offset, limit)
+        val step = if (reverse) 1 else -1
+        val start = if (reverse) limit - 1 else 0
+        val end = if (reverse) 0 else limit - 1
+        val toTime = list[end].time
+        var i = end
+        while (if (reverse) i < start else i > start) {
+            list[i].time = list[i + step].time
+            i += step
+        }
+        list[start].time = toTime
+        dao.update(list)
+    }
+
+    @Synchronized
+    fun removeDownloadLabel(raw: DownloadLabel?) {
+        val dao = db.downloadLabelDao()
+        dao.delete(raw!!)
+    }
+
+    @get:Synchronized
+    val allLocalFavorites: List<GalleryInfo>
+        get() {
+            val dao = db.localFavoritesDao()
+            val list = dao.list()
+            return ArrayList<GalleryInfo>(list)
+        }
+
+    @Synchronized
+    fun searchLocalFavorites(query: String): List<GalleryInfo> {
+        val dao = db.localFavoritesDao()
+        val list = dao.list("%$query%")
+        return ArrayList<GalleryInfo>(list)
+    }
+
+    @Synchronized
+    fun removeLocalFavorites(gid: Long) {
+        db.localFavoritesDao().deleteByKey(gid)
+    }
+
+    @Synchronized
+    fun removeLocalFavorites(gidArray: LongArray) {
+        val dao = db.localFavoritesDao()
+        for (gid in gidArray) {
+            dao.deleteByKey(gid)
+        }
+    }
+
+    @JvmStatic
+    @Synchronized
+    fun containLocalFavorites(gid: Long): Boolean {
+        val dao = db.localFavoritesDao()
+        return null != dao.load(gid)
+    }
+
+    @Synchronized
+    fun putLocalFavorites(galleryInfo: GalleryInfo) {
+        val dao = db.localFavoritesDao()
+        if (null == dao.load(galleryInfo.gid)) {
+            val info: LocalFavoriteInfo
+            if (galleryInfo is LocalFavoriteInfo) {
+                info = galleryInfo
+            } else {
+                info = LocalFavoriteInfo(galleryInfo)
+                info.time = System.currentTimeMillis()
+            }
+            dao.insert(info)
+        }
+    }
+
+    @Synchronized
+    fun putLocalFavorites(galleryInfoList: List<GalleryInfo>) {
+        for (gi in galleryInfoList) {
+            putLocalFavorites(gi)
+        }
+    }
+
+    @get:Synchronized
+    val allQuickSearch: List<QuickSearch>
+        get() {
+            val dao = db.quickSearchDao()
+            return dao.list()
+        }
+
+    @Synchronized
+    fun insertQuickSearch(quickSearch: QuickSearch) {
+        val dao = db.quickSearchDao()
+        quickSearch.id = null
+        quickSearch.time = System.currentTimeMillis()
+        quickSearch.id = dao.insert(quickSearch)
+    }
+
+    @Synchronized
+    fun importQuickSearch(quickSearchList: List<QuickSearch?>) {
+        val dao = db.quickSearchDao()
+        for (quickSearch in quickSearchList) {
+            dao.insert(quickSearch!!)
+        }
+    }
+
+    @Synchronized
+    fun deleteQuickSearch(quickSearch: QuickSearch?) {
+        val dao = db.quickSearchDao()
+        dao.delete(quickSearch)
+    }
+
+    @Synchronized
+    fun moveQuickSearch(fromPosition: Int, toPosition: Int) {
+        if (fromPosition == toPosition) {
+            return
+        }
+        val reverse = fromPosition > toPosition
+        val offset = if (reverse) toPosition else fromPosition
+        val limit = if (reverse) fromPosition - toPosition + 1 else toPosition - fromPosition + 1
+        val dao = db.quickSearchDao()
+        val list = dao.list(offset, limit)
+        val step = if (reverse) 1 else -1
+        val start = if (reverse) limit - 1 else 0
+        val end = if (reverse) 0 else limit - 1
+        val toTime = list[end].time
+        var i = end
+        while (if (reverse) i < start else i > start) {
+            list[i].time = list[i + step].time
+            i += step
+        }
+        list[start].time = toTime
+        dao.update(list)
+    }
+
+    @get:Synchronized
+    val historyLazyList: PagingSource<Int, HistoryInfo>
+        get() = db.historyDao().listLazy()
+
+    @Synchronized
+    fun putHistoryInfo(galleryInfo: GalleryInfo?) {
+        val dao = db.historyDao()
+        val info: HistoryInfo = if (galleryInfo is HistoryInfo) {
+            galleryInfo
+        } else {
+            HistoryInfo(galleryInfo!!)
+        }
+        info.time = System.currentTimeMillis()
+        if (null != dao.load(info.gid)) {
+            dao.update(info)
+        } else {
+            dao.insert(info)
+        }
+    }
+
+    @Synchronized
+    fun putHistoryInfoNonRefresh(info: GalleryInfo) {
+        val dao = db.historyDao()
+        val i = dao.load(info.gid)
+        if (null != i) {
+            val historyInfo: HistoryInfo
+            if (info is HistoryInfo) {
+                historyInfo = info
+            } else {
+                historyInfo = HistoryInfo(info)
+                historyInfo.time = i.time
+            }
+            dao.update(historyInfo)
+        }
+    }
+
+    @Synchronized
+    fun putHistoryInfo(historyInfoList: List<HistoryInfo>) {
+        val dao = db.historyDao()
+        for (info in historyInfoList) {
+            if (null == dao.load(info.gid)) {
+                dao.insert(info)
+            }
+        }
+    }
+
+    @Synchronized
+    fun deleteHistoryInfo(info: HistoryInfo?) {
+        val dao = db.historyDao()
+        dao.delete(info!!)
+    }
+
+    @Synchronized
+    fun clearHistoryInfo() {
+        val dao = db.historyDao()
+        dao.deleteAll()
+    }
+
+    @get:Synchronized
+    val allFilter: List<Filter>
+        get() = db.filterDao().list()
+
+    @Synchronized
+    fun addFilter(filter: Filter): Boolean {
+        val existFilter: Filter? = try {
+            db.filterDao().load(filter.text!!, filter.mode)
+        } catch (e: Exception) {
+            null
+        }
+        return if (existFilter == null) {
+            filter.id = null
+            filter.id = db.filterDao().insert(filter)
+            true
+        } else {
+            false
+        }
+    }
+
+    @Synchronized
+    fun deleteFilter(filter: Filter) {
+        db.filterDao().delete(filter)
+    }
+
+    @Synchronized
+    fun triggerFilter(filter: Filter) {
+        filter.enable = filter.enable?.not() ?: false
+        db.filterDao().update(filter)
+    }
+
+    private fun <T> copyDao(from: BasicDao<T>, to: BasicDao<T>) {
+        val list = from.list()
+        for (item in list) to.insert(item)
+    }
+
+    @Synchronized
+    fun exportDB(context: Context, uri: Uri): Boolean {
+        val ehExportName = "eh.export.db"
+        runCatching {
+            context.deleteDatabase(ehExportName)
+            val newDb = databaseBuilder(context, EhDatabase::class.java, ehExportName).build()
+            copyDao(db.downloadsDao(), newDb.downloadsDao())
+            copyDao(db.downloadLabelDao(), newDb.downloadLabelDao())
+            copyDao(db.downloadDirnameDao(), newDb.downloadDirnameDao())
+            copyDao(db.historyDao(), newDb.historyDao())
+            copyDao(db.quickSearchDao(), newDb.quickSearchDao())
+            copyDao(db.localFavoritesDao(), newDb.localFavoritesDao())
+            copyDao(db.filterDao(), newDb.filterDao())
+            val dbFile = context.getDatabasePath(ehExportName)
+            context.contentResolver.openFileDescriptor(uri, "rw")!!.use { toFd ->
+                ParcelFileDescriptor.open(dbFile, MODE_READ_ONLY).use { fromFd ->
+                    Native.sendfile(fromFd.fd, toFd.fd)
+                }
+            }
+            return true
+        }.onFailure {
+            it.printStackTrace()
+        }
+        return false
+    }
+
+    /**
+     * @return error string, null for no error
+     */
+    @Synchronized
+    fun importDB(context: Context, uri: Uri): String? {
+        runCatching {
+            val oldDB = databaseBuilder(context, EhDatabase::class.java, "tmp.db")
+                .createFromInputStream { context.contentResolver.openInputStream(uri) }.build()
+
+            // Download label
+            val manager = DownloadManager
+            runCatching {
+                val downloadLabelList = oldDB.downloadLabelDao().list()
+                manager.addDownloadLabel(downloadLabelList)
+            }
+
+            // Downloads
+            runCatching {
+                val downloadInfoList = oldDB.downloadsDao().list()
+                manager.addDownload(downloadInfoList, false)
+            }
+
+            // Download dirname
+            runCatching {
+                oldDB.downloadDirnameDao().list().forEach {
+                    putDownloadDirname(it.gid, it.dirname)
+                }
+            }
+
+            // History
+            runCatching {
+                val historyInfoList = oldDB.historyDao().list()
+                putHistoryInfo(historyInfoList)
+            }
+
+            // QuickSearch
+            runCatching {
+                val quickSearchList = oldDB.quickSearchDao().list()
+                val currentQuickSearchList = db.quickSearchDao().list()
+                val importList = quickSearchList.mapNotNull { newQS ->
+                    newQS.takeIf { currentQuickSearchList.find { it.name == newQS.name } == null }
+                }
+                importQuickSearch(importList)
+            }
+
+            // LocalFavorites
+            runCatching {
+                oldDB.localFavoritesDao().list().forEach {
+                    putLocalFavorites(it)
+                }
+            }
+
+            // Filter
+            runCatching {
+                val filterList = oldDB.filterDao().list()
+                val currentFilterList = db.filterDao().list()
+                filterList.forEach {
+                    if (it !in currentFilterList) addFilter(it)
+                }
+            }
+            oldDB.close()
+        }.onFailure {
+            it.printStackTrace()
+            return context.getString(R.string.cant_read_the_file)
+        }
+        return null
+    }
+}

app/src/main/java/com/hippo/ehviewer/Hosts.java

@@ -291,7 +291,7 @@ public class Hosts {
         }
     }
 
-    private boolean contains(String host) {
+    public boolean contains(String host) {
         try (Cursor cursor = db.rawQuery("SELECT * FROM " + TABLE_HOSTS + " WHERE " + COLUMN_HOST + " = ?;", new String[]{host})) {
             return cursor.moveToNext();
         }

app/src/main/java/com/hippo/ehviewer/Settings.java

@@ -30,7 +30,7 @@ import com.hippo.ehviewer.client.data.FavListUrlBuilder;
 import com.hippo.ehviewer.ui.CommonOperations;
 import com.hippo.ehviewer.ui.scene.GalleryListScene;
 import com.hippo.unifile.UniFile;
-import com.hippo.yorozuya.AssertUtils;
+import com.hippo.yorozuya.AssertUtilsKt;
 import com.hippo.yorozuya.NumberUtils;
 
 import java.util.Locale;
@@ -45,6 +45,9 @@ public class Settings {
     public static final String KEY_THEME = "theme";
 
     public static final String KEY_ACCOUNT = "account";
+    public static final String KEY_IMAGE_LIMITS = "image_limits";
+    public static final String KEY_U_CONFIG = "uconfig";
+    public static final String KEY_MY_TAGS = "mytags";
     public static final String KEY_BLACK_DARK_THEME = "black_dark_theme";
     public static final int THEME_SYSTEM = -1;
     public static final String KEY_GALLERY_SITE = "gallery_site";
@@ -52,11 +55,28 @@ public class Settings {
     public static final String KEY_DETAIL_SIZE = "detail_size";
     public static final String KEY_THUMB_SIZE = "thumb_size_";
     public static final String KEY_THUMB_RESOLUTION = "thumb_resolution";
+    public static final String KEY_SHOW_JPN_TITLE = "show_jpn_title";
     public static final String KEY_SHOW_TAG_TRANSLATIONS = "show_tag_translations";
+    public static final String KEY_TAG_TRANSLATIONS_SOURCE = "tag_translations_source";
     public static final String KEY_DEFAULT_CATEGORIES = "default_categories";
     public static final int DEFAULT_DEFAULT_CATEGORIES = EhConfig.ALL_CATEGORY;
     public static final String KEY_EXCLUDED_TAG_NAMESPACES = "excluded_tag_namespaces";
     public static final String KEY_EXCLUDED_LANGUAGES = "excluded_languages";
+    public static final String KEY_REQUEST_NEWS = "request_news";
+    public static final String KEY_REQUEST_NEWS_TIMER = "request_news_timer";
+    public static final String KEY_REQUEST_NEWS_TIMER_HOUR = "request_news_timer_hour";
+    public static final String KEY_REQUEST_NEWS_TIMER_MINUTE = "request_news_timer_minute";
+    public static final String KEY_HIDE_HV_EVENTS = "hide_hv_events";
+    public static final String[] SIGN_IN_REQUIRED = {
+            KEY_IMAGE_LIMITS,
+            KEY_GALLERY_SITE,
+            KEY_U_CONFIG,
+            KEY_MY_TAGS,
+            KEY_SHOW_JPN_TITLE,
+            KEY_REQUEST_NEWS,
+            KEY_REQUEST_NEWS_TIMER,
+            KEY_HIDE_HV_EVENTS
+    };
     /********************
      ****** Privacy and Security
      ********************/
@@ -85,9 +105,9 @@ public class Settings {
     public static final int DEFAULT_READ_CACHE_SIZE = 320;
     public static final String KEY_BUILT_IN_HOSTS = "built_in_hosts_2";
     public static final String KEY_DOMAIN_FRONTING = "domain_fronting";
+    public static final String KEY_BYPASS_VPN = "bypass_vpn";
     public static final String KEY_LIST_THUMB_SIZE = "list_tile_size";
-    private static final String KEY_HIDE_HV_EVENTS = "hide_hv_events";
-    private static final boolean DEFAULT_HIDE_HV_EVENTS = true;
+    private static final boolean DEFAULT_HIDE_HV_EVENTS = false;
     private static final String KEY_SHOW_COMMENTS = "show_gallery_comments";
     private static final boolean DEFAULT_SHOW_COMMENTS = true;
     private static final String TAG = Settings.class.getSimpleName();
@@ -109,7 +129,6 @@ public class Settings {
     private static final int DEFAULT_DETAIL_SIZE = 0;
     private static final int DEFAULT_THUMB_SIZE = 120;
     private static final int DEFAULT_THUMB_RESOLUTION = 0;
-    private static final String KEY_SHOW_JPN_TITLE = "show_jpn_title";
     private static final boolean DEFAULT_SHOW_JPN_TITLE = false;
     private static final String KEY_SHOW_GALLERY_PAGES = "show_gallery_pages";
     private static final boolean DEFAULT_SHOW_GALLERY_PAGES = false;
@@ -179,6 +198,7 @@ public class Settings {
     private static final boolean DEFAULT_SAVE_CRASH_LOG = true;
     private static final boolean DEFAULT_BUILT_IN_HOSTS = false;
     private static final boolean DEFAULT_FRONTING = false;
+    private static final boolean DEFAULT_BYPASS_VPN = true;
     private static final String KEY_PROXY_TYPE = "proxy_type";
     private static final int DEFAULT_PROXY_TYPE = EhProxySelector.TYPE_SYSTEM;
     private static final String KEY_PROXY_IP = "proxy_ip";
@@ -189,8 +209,7 @@ public class Settings {
     private static final int DEFAULT_CLIPBOARD_TEXT_HASH_CODE = 0;
     private static final String KEY_DOWNLOAD_DELAY = "download_delay";
     private static final int DEFAULT_DOWNLOAD_DELAY = 0;
-    private static final String KEY_REQUEST_NEWS = "request_news";
-    private static final boolean DEFAULT_REQUEST_NEWS = true;
+    private static final boolean DEFAULT_REQUEST_NEWS = false;
     private static final String KEY_ARCHIVE_PASSWDS = "archive_passwds";
     private static final String KEY_QS_SAVE_PROGRESS = "qs_save_progress";
     private static final boolean DEFAULT_QS_SAVE_PROGRESS = true;
@@ -547,7 +566,7 @@ public class Settings {
     }
 
     public static void putFavCat(String[] value) {
-        AssertUtils.assertEquals(10, value.length);
+        AssertUtilsKt.assertEquals(10, value.length);
         sSettingsPre.edit()
                 .putString(KEY_FAV_CAT_0, value[0])
                 .putString(KEY_FAV_CAT_1, value[1])
@@ -578,7 +597,7 @@ public class Settings {
     }
 
     public static void putFavCount(int[] count) {
-        AssertUtils.assertEquals(10, count.length);
+        AssertUtilsKt.assertEquals(10, count.length);
         sSettingsPre.edit()
                 .putInt(KEY_FAV_COUNT_0, count[0])
                 .putInt(KEY_FAV_COUNT_1, count[1])
@@ -673,6 +692,10 @@ public class Settings {
         putBoolean(KEY_DOMAIN_FRONTING, value);
     }
 
+    public static boolean getBypassVpn() {
+        return getBoolean(KEY_BYPASS_VPN, DEFAULT_BYPASS_VPN);
+    }
+
     public static int getProxyType() {
         return getInt(KEY_PROXY_TYPE, DEFAULT_PROXY_TYPE);
     }

app/src/main/java/com/hippo/ehviewer/client/EhCacheKeyFactory.java

@@ -1,40 +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;
-
-public class EhCacheKeyFactory {
-
-    public static String getThumbKey(long gid) {
-        return "preview:large:" + gid + ":" + 0; // "thumb:" + gid;
-    }
-
-    public static String getNormalPreviewKey(long gid, int index) {
-        return "preview:normal:" + gid + ":" + index;
-    }
-
-    public static String getLargePreviewKey(long gid, int index) {
-        return "preview:large:" + gid + ":" + index;
-    }
-
-    public static String getLargePreviewSetKey(long gid, int index) {
-        return "large_preview_set:" + gid + ":" + index;
-    }
-
-    public static String getImageKey(long gid, int index) {
-        return "image:" + gid + ":" + index;
-    }
-}

app/src/main/java/com/hippo/ehviewer/client/EhCacheKeyFactory.kt

@@ -13,6 +13,10 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package com.hippo.ehviewer.client.exception
+package com.hippo.ehviewer.client
 
-class Image509Exception : EhException("509")
+object EhCacheKeyFactory {
+    fun getImageKey(gid: Long, index: Int): String {
+        return "image:$gid:$index"
+    }
+}

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

@@ -35,12 +35,12 @@ object EhCookieStore : CookieJar {
 
     fun hasSignedIn(): Boolean {
         val url = EhUrl.HOST_E.toHttpUrl()
-        return contains(url, KEY_IPD_MEMBER_ID) &&
-                contains(url, KEY_IPD_PASS_HASH)
+        return contains(url, KEY_IPB_MEMBER_ID) &&
+                contains(url, KEY_IPB_PASS_HASH)
     }
 
-    const val KEY_IPD_MEMBER_ID = "ipb_member_id"
-    const val KEY_IPD_PASS_HASH = "ipb_pass_hash"
+    const val KEY_IPB_MEMBER_ID = "ipb_member_id"
+    const val KEY_IPB_PASS_HASH = "ipb_pass_hash"
     const val KEY_IGNEOUS = "igneous"
     private val sTipsCookie: Cookie = Cookie.Builder()
         .name(EhConfig.KEY_CONTENT_WARNING)
@@ -183,7 +183,10 @@ object EhCookieStore : CookieJar {
 
     override fun saveFromResponse(url: HttpUrl, cookies: List<Cookie>) {
         for (cookie in cookies) {
-            addCookie(cookie)
+            // See https://github.com/Ehviewer-Overhauled/Ehviewer/issues/873
+            if (cookie.name != "__utmp") {
+                addCookie(cookie)
+            }
         }
     }
 

app/src/main/java/com/hippo/ehviewer/client/EhDns.kt

@@ -123,4 +123,8 @@ object EhDns : Dns {
         return hosts[hostname] ?: builtInHosts[hostname].takeIf { Settings.getBuiltInHosts() }
         ?: Dns.SYSTEM.lookup(hostname)
     }
-}
+
+    fun isInHosts(hostname: String): Boolean {
+        return hosts.contains(hostname) || (builtInHosts.contains(hostname) && Settings.getBuiltInHosts())
+    }
+}

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

@@ -20,7 +20,6 @@ import android.util.Log
 import android.util.Pair
 import com.hippo.ehviewer.AppConfig
 import com.hippo.ehviewer.EhApplication
-import com.hippo.ehviewer.EhApplication.Companion.application
 import com.hippo.ehviewer.GetText
 import com.hippo.ehviewer.R
 import com.hippo.ehviewer.Settings
@@ -41,6 +40,7 @@ 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
 import com.hippo.ehviewer.client.parser.ProfileParser
 import com.hippo.ehviewer.client.parser.RateGalleryParser
 import com.hippo.ehviewer.client.parser.SignInParser
@@ -49,7 +49,8 @@ import com.hippo.ehviewer.client.parser.VoteCommentParser
 import com.hippo.ehviewer.client.parser.VoteTagParser
 import com.hippo.network.StatusCodeException
 import com.hippo.util.ExceptionUtils
-import com.hippo.yorozuya.AssertUtils
+import kotlinx.coroutines.async
+import kotlinx.coroutines.coroutineScope
 import kotlinx.coroutines.delay
 import okhttp3.FormBody
 import okhttp3.Headers
@@ -85,7 +86,7 @@ object EhEngine {
         }
 
         // Check sad panda(without panda)
-        if (headers != null && "text/html; charset=UTF-8" == headers["Content-Type"] && "0" == headers["Content-Length"]) {
+        if (headers != null && "text/html; charset=UTF-8" == headers["Content-Type"] && "0" == headers["Content-Length"] && EhUtils.isExHentai) {
             throw EhException("Sad Panda\n(without panda)")
         }
 
@@ -99,11 +100,14 @@ object EhEngine {
                 throw EhException(error)
             }
         }
+        if (code >= 400) {
+            throw StatusCodeException(code)
+        }
         if (e is ParseException) {
-            if (body != null && !body.contains("<")) {
-                throw EhException(body)
-            } else if (TextUtils.isEmpty(body)) {
+            if (TextUtils.isEmpty(body)) {
                 throw EhException(GetText.getString(R.string.error_empty_html))
+            } else if (body != null && !body.contains("<")) {
+                throw EhException(body)
             } else {
                 if (Settings.getSaveParseErrorBody()) {
                     AppConfig.saveParseErrorBody(e as ParseException?)
@@ -111,9 +115,6 @@ object EhEngine {
                 throw EhException(GetText.getString(R.string.error_parse_error))
             }
         }
-        if (code >= 400) {
-            throw StatusCodeException(code)
-        }
     }
 
     @Throws(Throwable::class)
@@ -319,11 +320,7 @@ object EhEngine {
                 code = response.code
                 headers = response.headers
                 body = response.body.string()
-                val html = EventPaneParser.parse(body)
-                if (html != null) {
-                    application.showEventPane(html)
-                }
-                return GalleryDetailParser.parse(body)
+                return GalleryDetailParser.parse(body!!)
             }
         } catch (e: Throwable) {
             ExceptionUtils.throwIfFatal(e)
@@ -348,8 +345,8 @@ object EhEngine {
                 headers = response.headers
                 body = response.body.string()
                 return Pair.create(
-                    GalleryDetailParser.parsePreviewSet(body),
-                    GalleryDetailParser.parsePreviewPages(body)
+                    GalleryDetailParser.parsePreviewSet(body!!),
+                    GalleryDetailParser.parsePreviewPages(body!!)
                 )
             }
         } catch (e: Throwable) {
@@ -563,7 +560,7 @@ object EhEngine {
         gidArray: LongArray,
         tokenArray: Array<String?>, dstCat: Int
     ): Void? {
-        AssertUtils.assertEquals(gidArray.size, tokenArray.size)
+        check(gidArray.size == tokenArray.size)
         var i = 0
         val n = gidArray.size
         while (i < n) {
@@ -760,7 +757,7 @@ object EhEngine {
     }
 
     @Throws(Throwable::class)
-    suspend fun getFunds(): ArchiveParser.Funds? {
+    suspend fun getFunds(): HomeParser.Funds {
         val url = EhUrl.URL_FUNDS
         Log.d(TAG, url)
         val request = EhRequestBuilder(url, null).build()
@@ -773,7 +770,93 @@ object EhEngine {
                 code = response.code
                 headers = response.headers
                 body = response.body.string()
-                return ArchiveParser.parseFunds(body!!)
+                return HomeParser.parseFunds(body!!)
+            }
+        } catch (e: Throwable) {
+            ExceptionUtils.throwIfFatal(e)
+            transformException(code, headers, body, e)
+            throw e
+        }
+    }
+
+    @Throws(Throwable::class)
+    private suspend fun getImageLimitsInternal(): HomeParser.Limits {
+        val url = EhUrl.URL_HOME
+        Log.d(TAG, url)
+        val request = EhRequestBuilder(url, null).build()
+        val call = okHttpClient.newCall(request)
+        var body: String? = null
+        var headers: Headers? = null
+        var code = -1
+        try {
+            call.executeAsync().use { response ->
+                code = response.code
+                headers = response.headers
+                body = response.body.string()
+                return HomeParser.parse(body!!)
+            }
+        } catch (e: Throwable) {
+            ExceptionUtils.throwIfFatal(e)
+            transformException(code, headers, body, e)
+            throw e
+        }
+    }
+
+    @Throws(Throwable::class)
+    suspend fun getImageLimits(): HomeParser.Result = coroutineScope {
+        val limitsDeferred = async {
+            getImageLimitsInternal()
+        }
+        val fundsDeferred = async {
+            getFunds()
+        }
+        HomeParser.Result(limitsDeferred.await(), fundsDeferred.await())
+    }
+
+    @Throws(Throwable::class)
+    suspend fun resetImageLimits(): HomeParser.Limits? {
+        val builder = FormBody.Builder()
+            .add("act", "limits")
+            .add("reset", "Reset Limit")
+        val url = EhUrl.URL_HOME
+        Log.d(TAG, url)
+        val request = EhRequestBuilder(url, null)
+            .post(builder.build())
+            .build()
+        val call = okHttpClient.newCall(request)
+        var body: String? = null
+        var headers: Headers? = null
+        var code = -1
+        try {
+            call.executeAsync().use { response ->
+                code = response.code
+                headers = response.headers
+                body = response.body.string()
+                return HomeParser.parseResetLimits(body!!)
+            }
+        } catch (e: Throwable) {
+            ExceptionUtils.throwIfFatal(e)
+            transformException(code, headers, body, e)
+            throw e
+        }
+    }
+
+    @Throws(Throwable::class)
+    suspend fun getNews(parse: Boolean): String? {
+        val url = EhUrl.URL_NEWS
+        val referer = EhUrl.REFERER_E
+        Log.d(TAG, url)
+        val request = EhRequestBuilder(url, referer).build()
+        val call = okHttpClient.newCall(request)
+        var body: String? = null
+        var headers: Headers? = null
+        var code = -1
+        try {
+            call.executeAsync().use { response ->
+                code = response.code
+                headers = response.headers
+                body = response.body.string()
+                return if (parse) EventPaneParser.parse(body!!) else null
             }
         } catch (e: Throwable) {
             ExceptionUtils.throwIfFatal(e)
@@ -830,8 +913,7 @@ object EhEngine {
     }
 
     @Throws(Throwable::class)
-    suspend fun getUConfig(): Void? {
-        val url = EhUrl.uConfigUrl
+    suspend fun getUConfig(url: String = EhUrl.uConfigUrl): Void? {
         Log.d(TAG, url)
         var request = EhRequestBuilder(url, null).build()
         var call = okHttpClient.newCall(request)
@@ -1021,7 +1103,7 @@ object EhEngine {
 
     @JvmStatic
     @Throws(Throwable::class)
-    fun getGalleryPage(
+    suspend fun getGalleryPage(
         url: String?,
         gid: Long,
         token: String?
@@ -1035,7 +1117,7 @@ object EhEngine {
         var headers: Headers? = null
         var code = -1
         try {
-            call.execute().use { response ->
+            call.executeAsync().use { response ->
                 code = response.code
                 headers = response.headers
                 body = response.body.string()
@@ -1050,7 +1132,7 @@ object EhEngine {
 
     @JvmStatic
     @Throws(Throwable::class)
-    fun getGalleryPageApi(
+    suspend fun getGalleryPageApi(
         gid: Long,
         index: Int,
         pToken: String?,
@@ -1080,7 +1162,7 @@ object EhEngine {
         var headers: Headers? = null
         var code = -1
         try {
-            call.execute().use { response ->
+            call.executeAsync().use { response ->
                 code = response.code
                 headers = response.headers
                 body = response.body.string()

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

@@ -39,7 +39,7 @@ object EhFilter {
     private val TAG = EhFilter::class.java.simpleName
 
     init {
-        val list = EhDB.getAllFilter()
+        val list = EhDB.allFilter
         var i = 0
         val n = list.size
         while (i < n) {
@@ -112,7 +112,7 @@ object EhFilter {
     }
 
     @Synchronized
-    fun triggerFilter(filter: Filter?) {
+    fun triggerFilter(filter: Filter) {
         EhDB.triggerFilter(filter)
     }
 

app/src/main/java/com/hippo/ehviewer/client/EhRequestBuilder.java

@@ -1,36 +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;
-
-import com.hippo.okhttp.ChromeRequestBuilder;
-
-public class EhRequestBuilder extends ChromeRequestBuilder {
-
-    public EhRequestBuilder(String url, String referer) {
-        this(url, referer, null);
-    }
-
-    public EhRequestBuilder(String url, String referer, String origin) {
-        super(url);
-        if (referer != null) {
-            addHeader("Referer", referer);
-        }
-        if (origin != null) {
-            addHeader("Origin", origin);
-        }
-    }
-}

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

@@ -1,5 +1,5 @@
 /*
- * Copyright 2019 Hippo Seven
+ * 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.
@@ -13,14 +13,17 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+package com.hippo.ehviewer.client
 
-package com.hippo.util;
+import com.hippo.okhttp.ChromeRequestBuilder
 
-public class MutableBoolean {
-
-    public boolean value;
-
-    public MutableBoolean(boolean value) {
-        this.value = value;
+class EhRequestBuilder @JvmOverloads constructor(
+    url: String,
+    referer: String?,
+    origin: String? = null
+) : ChromeRequestBuilder(url) {
+    init {
+        referer?.let { addHeader("Referer", it) }
+        origin?.let { addHeader("Origin", it) }
     }
 }

app/src/main/java/com/hippo/ehviewer/client/EhSSLSocketFactory.kt

@@ -34,8 +34,8 @@ object EhSSLSocketFactory : SSLSocketFactory() {
     }
 
     override fun createSocket(s: Socket, host: String, port: Int, autoClose: Boolean): Socket {
-        val address = s.inetAddress.hostAddress
-        val socket = sslSocketFactory.createSocket(s, address, port, autoClose) as SSLSocket
+        val address = s.inetAddress.hostAddress.takeIf { EhDns.isInHosts(host) }
+        val socket = sslSocketFactory.createSocket(s, address ?: host, port, autoClose) as SSLSocket
         val sslSession = socket.session
         Log.d(
             "EhSSLSocketFactory",

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

@@ -20,10 +20,9 @@ import com.hippo.ehviewer.AppConfig
 import com.hippo.ehviewer.EhApplication
 import com.hippo.ehviewer.EhApplication.Companion.okHttpClient
 import com.hippo.ehviewer.R
-import com.hippo.util.ExceptionUtils
 import com.hippo.util.HashCodeUtils
 import com.hippo.yorozuya.FileUtils
-import com.hippo.yorozuya.IOUtils
+import com.hippo.yorozuya.copyToFile
 import eu.kanade.tachiyomi.util.lang.launchIO
 import kotlinx.coroutines.DelicateCoroutinesApi
 import kotlinx.coroutines.flow.Flow
@@ -37,41 +36,67 @@ import org.json.JSONException
 import org.json.JSONObject
 import java.io.File
 import java.io.FileInputStream
-import java.io.FileOutputStream
 import java.io.IOException
 import java.nio.charset.StandardCharsets
 import java.security.MessageDigest
 import java.security.NoSuchAlgorithmException
 
+private typealias TagGroup = Map<String, String>
+private typealias TagGroups = Map<String, TagGroup>
+
 object EhTagDatabase {
-    private lateinit var tags: JSONObject
-    private lateinit var tagList: ArrayList<Pair<String, String>>
+    private const val NAMESPACE_PREFIX = "n"
+    private lateinit var tagGroups: TagGroups
 
     fun isInitialized(): Boolean {
-        return this::tags.isInitialized && this::tagList.isInitialized
+        return this::tagGroups.isInitialized
     }
 
+    private fun JSONObject.toTagGroups(): TagGroups =
+        keys().asSequence().associateWith { getJSONObject(it).toTagGroup() }
+
+    private fun JSONObject.toTagGroup(): TagGroup =
+        keys().asSequence().associateWith { getString(it) }
+
     private fun updateData(source: BufferedSource) {
         try {
-            val tmpTags = JSONObject(source.readString(StandardCharsets.UTF_8))
-            val tmpTagList = arrayListOf<Pair<String, String>>()
-            tmpTags.keys().forEachRemaining { prefix: String ->
-                val values = tmpTags.optJSONObject(prefix)
-                values?.let {
-                    it.keys().forEachRemaining { tag: String ->
-                        tmpTagList.add(Pair("$prefix:$tag", values.optString(tag)))
-                    }
-                }
-            }
-            tags = tmpTags
-            tagList = tmpTagList
+            tagGroups = JSONObject(source.readString(StandardCharsets.UTF_8)).toTagGroups()
         } catch (e: JSONException) {
             e.printStackTrace()
         }
     }
 
-    fun getTranslation(prefix: String?, tag: String?): String? {
-        return tags.optJSONObject(prefix)?.optString(tag)?.trim()?.takeIf { it.isNotEmpty() }
+    fun getTranslation(prefix: String? = NAMESPACE_PREFIX, tag: String?): String? {
+        return tagGroups[prefix]?.get(tag)?.trim()?.takeIf { it.isNotEmpty() }
+    }
+
+    private fun internalSuggestFlow(
+        tags: Map<String, String>,
+        keyword: String,
+        translate: Boolean,
+        exactly: Boolean
+    ): Flow<Pair<String?, String>> = flow {
+        if (exactly) {
+            tags[keyword]?.let {
+                emit(Pair(it.takeIf { translate }, keyword))
+            }
+        } else {
+            if (translate) {
+                tags.forEach { (tag, hint) ->
+                    if (tag != keyword &&
+                        (tag.containsIgnoreSpace(keyword) || hint.containsIgnoreSpace(keyword))
+                    ) {
+                        emit(Pair(hint, tag))
+                    }
+                }
+            } else {
+                tags.keys.forEach { tag ->
+                    if (tag != keyword && tag.containsIgnoreSpace(keyword)) {
+                        emit(Pair(null, tag))
+                    }
+                }
+            }
+        }
     }
 
     /* Construct a cold flow for tag database suggestions */
@@ -80,32 +105,32 @@ object EhTagDatabase {
         translate: Boolean,
         exactly: Boolean = false
     ): Flow<Pair<String?, String>> = flow {
-        tagList.forEach {
-            val tag = it.first
-            val hint = if (translate) it.second else null
-            val index = tag.indexOf(':')
-            if (tag.substring(index + 1).trim() == keyword) {
-                if (exactly)
-                    emit(Pair(hint, tag))
-                return@forEach
+        val keywordPrefix = keyword.substringBefore(':')
+        val keywordTag = keyword.drop(keywordPrefix.length + 1)
+        val prefix = namespaceToPrefix(keywordPrefix) ?: keywordPrefix
+        val tags = tagGroups[prefix.takeIf { keywordTag.isNotEmpty() && it != NAMESPACE_PREFIX }]
+        tags?.let {
+            internalSuggestFlow(it, keywordTag, translate, exactly).collect { (hint, tag) ->
+                emit(Pair(hint, "$prefix:$tag"))
             }
-            if (exactly)
-                return@forEach
-            val keywordMatches: Boolean =
-                if (index == -1 || index >= tag.length - 1 || keyword.length > 2) {
-                    containsIgnoreSpace(tag, keyword)
-                } else {
-                    containsIgnoreSpace(tag.substring(index + 1), keyword)
+        } ?: tagGroups.forEach { (prefix, tags) ->
+            if (prefix != NAMESPACE_PREFIX) {
+                internalSuggestFlow(tags, keyword, translate, exactly).collect { (hint, tag) ->
+                    emit(Pair(hint, "$prefix:$tag"))
+                }
+            } else {
+                internalSuggestFlow(tags, keyword, translate, exactly).collect { (hint, tag) ->
+                    emit(Pair(hint, "$tag:"))
                 }
-            if (keywordMatches || containsIgnoreSpace(hint, keyword)) {
-                emit(Pair(hint, tag))
             }
         }
     }
 
-    private fun containsIgnoreSpace(text: String?, key: String): Boolean {
-        return text != null && text.replace(" ", "").contains(key.replace(" ", ""))
-    }
+    private fun String.removeSpace(): String = replace(" ", "")
+
+    private fun String.containsIgnoreSpace(other: String, ignoreCase: Boolean = true): Boolean =
+        removeSpace().contains(other.removeSpace(), ignoreCase)
+
 
     private val NAMESPACE_TO_PREFIX = HashMap<String, String>().also {
         it["artist"] = "a"
@@ -170,22 +195,21 @@ object EhTagDatabase {
     private fun save(client: OkHttpClient, url: String, file: File): Boolean {
         val request: Request = Request.Builder().url(url).build()
         val call = client.newCall(request)
-        try {
+        runCatching {
             call.execute().use { response ->
                 if (!response.isSuccessful) {
                     return false
                 }
-                val body = response.body
-                body.byteStream()
-                    .use { ins -> FileOutputStream(file).use { os -> IOUtils.copy(ins, os) } }
+                response.body.use {
+                    it.copyToFile(file)
+                }
                 return true
             }
-        } catch (t: Throwable) {
-            FileUtils.delete(file)
-            t.printStackTrace()
-            ExceptionUtils.throwIfFatal(t)
-            return false
+        }.onFailure {
+            file.delete()
+            it.printStackTrace()
         }
+        return false
     }
 
     @OptIn(DelicateCoroutinesApi::class)

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

@@ -44,11 +44,15 @@ object EhUrl {
     const val URL_SIGN_IN = "https://forums.e-hentai.org/index.php?act=Login"
     const val URL_REGISTER = "https://forums.e-hentai.org/index.php?act=Reg&CODE=00"
     const val URL_FORUMS = "https://forums.e-hentai.org/"
-    const val URL_FUNDS = "https://e-hentai.org/exchange.php?t=gp"
+    const val URL_FUNDS = HOST_E + "exchange.php?t=gp"
+    const val URL_HOME = HOST_E + "home.php"
+    const val URL_NEWS = HOST_E + "news.php"
     const val REFERER_EX = "https://$DOMAIN_EX"
     const val ORIGIN_EX = REFERER_EX
     const val REFERER_E = "https://$DOMAIN_E"
     const val ORIGIN_E = REFERER_E
+    const val URL_PREFIX_THUMB_E = "https://ehgt.org/"
+    const val URL_PREFIX_THUMB_EX = "https://exhentai.org/t/"
 
     val host: String
         get() = when (Settings.getGallerySite()) {
@@ -161,4 +165,12 @@ object EhUrl {
     fun getTagDefinitionUrl(tag: String): String {
         return "https://ehwiki.org/wiki/" + tag.replace(' ', '_')
     }
+
+    fun getThumbUrlPrefix(): String {
+        return when (Settings.getGallerySite()) {
+            SITE_E -> URL_PREFIX_THUMB_E
+            SITE_EX -> URL_PREFIX_THUMB_EX
+            else -> URL_PREFIX_THUMB_E
+        }
+    }
 }

app/src/main/java/com/hippo/ehviewer/client/EhUtils.java

@@ -1,190 +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;
-
-import android.graphics.Color;
-import android.text.TextUtils;
-
-import androidx.annotation.NonNull;
-import androidx.annotation.Nullable;
-
-import com.hippo.ehviewer.EhApplication;
-import com.hippo.ehviewer.Settings;
-import com.hippo.ehviewer.client.data.GalleryInfo;
-
-import java.util.regex.Pattern;
-
-public class EhUtils {
-
-    public static final int NONE = -1; // Use it for homepage
-    public static final int PRIVATE = 0x400;
-    public static final int UNKNOWN = 0x800;
-
-    public static final int BG_COLOR_DOUJINSHI = 0xfff44336;
-    public static final int BG_COLOR_MANGA = 0xffff9800;
-    public static final int BG_COLOR_ARTIST_CG = 0xfffbc02d;
-    public static final int BG_COLOR_GAME_CG = 0xff4caf50;
-    public static final int BG_COLOR_WESTERN = 0xff8bc34a;
-    public static final int BG_COLOR_NON_H = 0xff2196f3;
-    public static final int BG_COLOR_IMAGE_SET = 0xff3f51b5;
-    public static final int BG_COLOR_COSPLAY = 0xff9c27b0;
-    public static final int BG_COLOR_ASIAN_PORN = 0xff9575cd;
-    public static final int BG_COLOR_MISC = 0xfff06292;
-    public static final int BG_COLOR_UNKNOWN = Color.BLACK;
-
-    // Remove [XXX], (XXX), {XXX}, ~XXX~ stuff
-    public static final Pattern PATTERN_TITLE_PREFIX = Pattern.compile(
-            "^(?:\\([^)]*\\)|\\[[^]]*]|\\{[^}]*\\}|~[^~]*~|\\s+)*");
-    // Remove [XXX], (XXX), {XXX}, ~XXX~ stuff and something like ch. 1-23
-    public static final Pattern PATTERN_TITLE_SUFFIX = Pattern.compile(
-            "(?:\\s+ch.[\\s\\d-]+)?(?:\\([^)]*\\)|\\[[^]]*]|\\{[^}]*\\}|~[^~]*~|\\s+)*$",
-            Pattern.CASE_INSENSITIVE);
-
-    private static final int[] CATEGORY_VALUES = {
-            EhConfig.MISC,
-            EhConfig.DOUJINSHI,
-            EhConfig.MANGA,
-            EhConfig.ARTIST_CG,
-            EhConfig.GAME_CG,
-            EhConfig.IMAGE_SET,
-            EhConfig.COSPLAY,
-            EhConfig.ASIAN_PORN,
-            EhConfig.NON_H,
-            EhConfig.WESTERN,
-            PRIVATE,
-            UNKNOWN};
-
-    private static final String[][] CATEGORY_STRINGS = {
-            new String[]{"misc"},
-            new String[]{"doujinshi"},
-            new String[]{"manga"},
-            new String[]{"artistcg", "Artist CG Sets", "Artist CG"},
-            new String[]{"gamecg", "Game CG Sets", "Game CG"},
-            new String[]{"imageset", "Image Sets", "Image Set"},
-            new String[]{"cosplay"},
-            new String[]{"asianporn", "Asian Porn"},
-            new String[]{"non-h"},
-            new String[]{"western"},
-            new String[]{"private"},
-            new String[]{"unknown"}
-    };
-
-    public static int getCategory(String type) {
-        int i;
-        for (i = 0; i < CATEGORY_STRINGS.length - 1; i++) {
-            for (String str : CATEGORY_STRINGS[i])
-                if (str.equalsIgnoreCase(type))
-                    return CATEGORY_VALUES[i];
-        }
-
-        return CATEGORY_VALUES[i];
-    }
-
-    @NonNull
-    public static String getCategory(int type) {
-        int i;
-        for (i = 0; i < CATEGORY_VALUES.length - 1; i++) {
-            if (CATEGORY_VALUES[i] == type)
-                break;
-        }
-        return CATEGORY_STRINGS[i][0];
-    }
-
-    public static int getCategoryColor(int category) {
-        return switch (category) {
-            case EhConfig.DOUJINSHI -> BG_COLOR_DOUJINSHI;
-            case EhConfig.MANGA -> BG_COLOR_MANGA;
-            case EhConfig.ARTIST_CG -> BG_COLOR_ARTIST_CG;
-            case EhConfig.GAME_CG -> BG_COLOR_GAME_CG;
-            case EhConfig.WESTERN -> BG_COLOR_WESTERN;
-            case EhConfig.NON_H -> BG_COLOR_NON_H;
-            case EhConfig.IMAGE_SET -> BG_COLOR_IMAGE_SET;
-            case EhConfig.COSPLAY -> BG_COLOR_COSPLAY;
-            case EhConfig.ASIAN_PORN -> BG_COLOR_ASIAN_PORN;
-            case EhConfig.MISC -> BG_COLOR_MISC;
-            default -> BG_COLOR_UNKNOWN;
-        };
-    }
-
-    public static void signOut() {
-        EhApplication.getEhCookieStore().signOut();
-        Settings.putAvatar(null);
-        Settings.putDisplayName(null);
-        Settings.putGallerySite(EhUrl.SITE_E);
-        Settings.putNeedSignIn(true);
-    }
-
-    public static boolean needSignedIn() {
-        return Settings.getNeedSignIn() && !EhApplication.getEhCookieStore().hasSignedIn();
-    }
-
-    public static String getSuitableTitle(GalleryInfo gi) {
-        if (Settings.getShowJpnTitle()) {
-            return TextUtils.isEmpty(gi.getTitleJpn()) ? gi.getTitle() : gi.getTitleJpn();
-        } else {
-            return TextUtils.isEmpty(gi.getTitle()) ? gi.getTitleJpn() : gi.getTitle();
-        }
-    }
-
-    @Nullable
-    public static String extractTitle(String title) {
-        if (null == title) {
-            return null;
-        }
-        title = PATTERN_TITLE_PREFIX.matcher(title).replaceFirst("");
-        title = PATTERN_TITLE_SUFFIX.matcher(title).replaceFirst("");
-        // Sometimes title is combined by romaji and english translation.
-        // Only need romaji.
-        // TODO But not sure every '|' means that
-        int index = title.indexOf('|');
-        if (index >= 0) {
-            title = title.substring(0, index);
-        }
-        if (title.isEmpty()) {
-            return null;
-        } else {
-            return title;
-        }
-    }
-
-    public static String handleThumbUrlResolution(String url) {
-        if (null == url) {
-            return null;
-        }
-
-        String resolution;
-        switch (Settings.getThumbResolution()) {
-            default:
-            case 0: // Auto
-                return url;
-            case 1: // 250
-                resolution = "250";
-                break;
-            case 2: // 300
-                resolution = "300";
-                break;
-        }
-
-        int index1 = url.lastIndexOf('_');
-        int index2 = url.lastIndexOf('.');
-        if (index1 >= 0 && index2 >= 0 && index1 < index2) {
-            return url.substring(0, index1 + 1) + resolution + url.substring(index2);
-        } else {
-            return url;
-        }
-    }
-}

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

@@ -0,0 +1,162 @@
+/*
+ * 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
+
+import android.text.TextUtils
+import com.hippo.ehviewer.EhApplication.Companion.ehCookieStore
+import com.hippo.ehviewer.Settings
+import com.hippo.ehviewer.client.data.GalleryInfo
+import java.util.regex.Pattern
+
+object EhUtils {
+    const val NONE = -1 // Use it for homepage
+    const val PRIVATE = 0x400
+    const val UNKNOWN = 0x800
+
+    // https://youtrack.jetbrains.com/issue/KT-4749
+    private const val BG_COLOR_DOUJINSHI = 0xfff44336u
+    private const val BG_COLOR_MANGA = 0xffff9800u
+    private const val BG_COLOR_ARTIST_CG = 0xfffbc02du
+    private const val BG_COLOR_GAME_CG = 0xff4caf50u
+    private const val BG_COLOR_WESTERN = 0xff8bc34au
+    private const val BG_COLOR_NON_H = 0xff2196f3u
+    private const val BG_COLOR_IMAGE_SET = 0xff3f51b5u
+    private const val BG_COLOR_COSPLAY = 0xff9c27b0u
+    private const val BG_COLOR_ASIAN_PORN = 0xff9575cdu
+    private const val BG_COLOR_MISC = 0xfff06292u
+    private const val BG_COLOR_UNKNOWN = 0xff000000u
+
+    // Remove [XXX], (XXX), {XXX}, ~XXX~ stuff
+    private val PATTERN_TITLE_PREFIX = Pattern.compile(
+        "^(?:\\([^)]*\\)|\\[[^]]*]|\\{[^}]*\\}|~[^~]*~|\\s+)*"
+    )
+
+    // Remove [XXX], (XXX), {XXX}, ~XXX~ stuff and something like ch. 1-23
+    private val PATTERN_TITLE_SUFFIX = Pattern.compile(
+        "(?:\\s+ch.[\\s\\d-]+)?(?:\\([^)]*\\)|\\[[^]]*]|\\{[^}]*\\}|~[^~]*~|\\s+)*$",
+        Pattern.CASE_INSENSITIVE
+    )
+
+    private val CATEGORY_VALUES = hashMapOf(
+        EhConfig.MISC to arrayOf("misc"),
+        EhConfig.DOUJINSHI to arrayOf("doujinshi"),
+        EhConfig.MANGA to arrayOf("manga"),
+        EhConfig.ARTIST_CG to arrayOf("artistcg", "Artist CG Sets", "Artist CG"),
+        EhConfig.GAME_CG to arrayOf("gamecg", "Game CG Sets", "Game CG"),
+        EhConfig.IMAGE_SET to arrayOf("imageset", "Image Sets", "Image Set"),
+        EhConfig.COSPLAY to arrayOf("cosplay"),
+        EhConfig.ASIAN_PORN to arrayOf("asianporn", "Asian Porn"),
+        EhConfig.NON_H to arrayOf("non-h"),
+        EhConfig.WESTERN to arrayOf("western"),
+        PRIVATE to arrayOf("private"),
+        UNKNOWN to arrayOf("unknown")
+    )
+    private val CATEGORY_STRINGS = CATEGORY_VALUES.entries.map { (k, v) -> v to k }
+
+    val isExHentai: Boolean
+        get() = Settings.getGallerySite() == EhUrl.SITE_EX
+
+    @JvmStatic
+    fun getCategory(type: String?): Int {
+        for (entry in CATEGORY_STRINGS) {
+            for (str in entry.first)
+                if (str.equals(type, ignoreCase = true))
+                    return entry.second
+        }
+        return UNKNOWN
+    }
+
+    fun getCategory(type: Int): String {
+        return CATEGORY_VALUES.getOrDefault(type, CATEGORY_VALUES[UNKNOWN])!![0]
+    }
+
+    fun getCategoryColor(category: Int): Int {
+        return when (category) {
+            EhConfig.DOUJINSHI -> BG_COLOR_DOUJINSHI
+            EhConfig.MANGA -> BG_COLOR_MANGA
+            EhConfig.ARTIST_CG -> BG_COLOR_ARTIST_CG
+            EhConfig.GAME_CG -> BG_COLOR_GAME_CG
+            EhConfig.WESTERN -> BG_COLOR_WESTERN
+            EhConfig.NON_H -> BG_COLOR_NON_H
+            EhConfig.IMAGE_SET -> BG_COLOR_IMAGE_SET
+            EhConfig.COSPLAY -> BG_COLOR_COSPLAY
+            EhConfig.ASIAN_PORN -> BG_COLOR_ASIAN_PORN
+            EhConfig.MISC -> BG_COLOR_MISC
+            else -> BG_COLOR_UNKNOWN
+        }.toInt()
+    }
+
+    fun signOut() {
+        ehCookieStore.signOut()
+        Settings.putAvatar(null)
+        Settings.putDisplayName(null)
+        Settings.putGallerySite(EhUrl.SITE_E)
+        Settings.putNeedSignIn(true)
+        Settings.putSelectSite(true)
+    }
+
+    fun needSignedIn(): Boolean {
+        return Settings.getNeedSignIn() && !ehCookieStore.hasSignedIn()
+    }
+
+    @JvmStatic
+    fun getSuitableTitle(gi: GalleryInfo): String {
+        return if (Settings.getShowJpnTitle()) {
+            if (TextUtils.isEmpty(gi.titleJpn)) gi.title else gi.titleJpn
+        } else {
+            if (TextUtils.isEmpty(gi.title)) gi.titleJpn else gi.title
+        }.orEmpty()
+    }
+
+    fun extractTitle(fullTitle: String?): String? {
+        var title: String = fullTitle ?: return null
+        title = PATTERN_TITLE_PREFIX.matcher(title).replaceFirst("")
+        title = PATTERN_TITLE_SUFFIX.matcher(title).replaceFirst("")
+        // Sometimes title is combined by romaji and english translation.
+        // Only need romaji.
+        // TODO But not sure every '|' means that
+        val index = title.indexOf('|')
+        if (index >= 0) {
+            title = title.substring(0, index)
+        }
+        return title.ifEmpty { null }
+    }
+
+    fun fixThumbUrl(url: String): String {
+        return EhUrl.getThumbUrlPrefix() +
+                url.removePrefix(EhUrl.URL_PREFIX_THUMB_E).removePrefix(EhUrl.URL_PREFIX_THUMB_EX)
+    }
+
+    @JvmStatic
+    fun handleThumbUrlResolution(url: String?): String? {
+        if (null == url) {
+            return null
+        }
+        val resolution = when (Settings.getThumbResolution()) {
+            0 -> return url
+            1 -> "250"
+            2 -> "300"
+            else -> return url
+        }
+        val index1 = url.lastIndexOf('_')
+        val index2 = url.lastIndexOf('.')
+        return if (index1 >= 0 && index2 >= 0 && index1 < index2) {
+            url.substring(0, index1 + 1) + resolution + url.substring(index2)
+        } else {
+            url
+        }
+    }
+}

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

@@ -15,6 +15,8 @@
  */
 package com.hippo.ehviewer.client.data
 
+import com.hippo.ehviewer.client.data.GalleryInfo.Companion.S_LANGS
+import kotlinx.parcelize.IgnoredOnParcel
 import kotlinx.parcelize.Parcelize
 
 @Parcelize
@@ -70,6 +72,33 @@ class GalleryDetail(
     @JvmField
     var previewPages: Int = 0,
 
+    @IgnoredOnParcel
     @JvmField
     var previewSet: PreviewSet? = null,
-) : AbstractGalleryInfo by galleryInfo, GalleryInfo
+) : AbstractGalleryInfo by galleryInfo, GalleryInfo {
+    override fun generateSLang() {
+        val index = LANGUAGES.indexOf(language)
+        if (index != -1) {
+            simpleLanguage = S_LANGS[index]
+        }
+    }
+
+    companion object {
+        private val LANGUAGES = arrayOf(
+            "English",
+            "Chinese",
+            "Spanish",
+            "Korean",
+            "Russian",
+            "French",
+            "Portuguese",
+            "Thai",
+            "German",
+            "Italian",
+            "Vietnamese",
+            "Polish",
+            "Hungarian",
+            "Dutch"
+        )
+    }
+}

app/src/main/java/com/hippo/ehviewer/client/data/GalleryPreview.kt

@@ -21,8 +21,6 @@ import kotlinx.parcelize.Parcelize
 
 @Parcelize
 class GalleryPreview(
-    @JvmField
-    var imageKey: String? = null,
     @JvmField
     var imageUrl: String? = null,
     @JvmField
@@ -40,6 +38,6 @@ class GalleryPreview(
 ) : Parcelable {
     fun load(view: LoadImageView) {
         view.setClip(offsetX, offsetY, clipWidth, clipHeight)
-        view.load(imageKey!!, imageUrl!!)
+        view.load(imageUrl!!)
     }
 }

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

@@ -23,16 +23,4 @@ class GalleryTagGroup(
     private val mTagList: ArrayList<String> = arrayListOf(),
     @JvmField
     var groupName: String? = null
-) : Parcelable {
-    fun addTag(tag: String) {
-        mTagList.add(tag)
-    }
-
-    fun size(): Int {
-        return mTagList.size
-    }
-
-    fun getTagAt(position: Int): String {
-        return mTagList[position]
-    }
-}
+) : Parcelable, MutableList<String> by mTagList

app/src/main/java/com/hippo/ehviewer/client/data/LargePreviewSet.kt

@@ -15,12 +15,9 @@
  */
 package com.hippo.ehviewer.client.data
 
-import com.hippo.ehviewer.client.EhCacheKeyFactory
 import com.hippo.widget.LoadImageView
 import com.hippo.yorozuya.collect.IntList
-import kotlinx.parcelize.Parcelize
 
-@Parcelize
 class LargePreviewSet(
     private val mPositionList: IntList = IntList(),
     private val mImageUrlList: ArrayList<String> = ArrayList(),
@@ -48,7 +45,6 @@ class LargePreviewSet(
     override fun getGalleryPreview(gid: Long, index: Int): GalleryPreview {
         val galleryPreview = GalleryPreview()
         galleryPreview.position = mPositionList[index]
-        galleryPreview.imageKey = EhCacheKeyFactory.getLargePreviewKey(gid, galleryPreview.position)
         galleryPreview.imageUrl = mImageUrlList[index]
         galleryPreview.pageUrl = mPageUrlList[index]
         return galleryPreview
@@ -57,7 +53,6 @@ class LargePreviewSet(
     override fun load(view: LoadImageView, gid: Long, index: Int) {
         view.resetClip()
         view.load(
-            EhCacheKeyFactory.getLargePreviewKey(gid, mPositionList[index]),
             mImageUrlList[index]
         )
     }

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

@@ -283,13 +283,6 @@ data class ListUrlBuilder(
                 if (this.category != EhUtils.NONE) {
                     ub.addQuery("f_cats", category.inv() and EhConfig.ALL_CATEGORY)
                 }
-                // Search key
-                mKeyword?.run {
-                    val keyword = trim { it <= ' ' }
-                    if (keyword.isNotEmpty()) {
-                        ub.addQuery("f_search", encodeUTF8(this))
-                    }
-                }
                 mSHash?.let {
                     ub.addQuery("f_shash", it)
                 }
@@ -302,6 +295,19 @@ data class ListUrlBuilder(
                 mNext?.let {
                     ub.addQuery("next", it)
                 }
+                // Search key 
+                // the settings of ub:UrlBuilder may be overwritten by following Advance search
+                StringUtils.split(mKeyword, '|')?.forEachIndexed { idx, keyword ->
+                    val keyword = keyword.trim { it <= ' ' }
+                    when (idx) {
+                        0 -> keyword.takeIf { it.isNotEmpty() }?.let { ub.addQuery("f_search", encodeUTF8(it)) }
+                        else -> keyword.indexOf(':').takeIf { it >= 0 }?.run {
+                            val key = keyword.substring(0, this).trim { it <= ' ' }
+                            val value = keyword.substring(this + 1).trim { it <= ' ' }
+                            ub.addQuery(key, encodeUTF8(value))
+                        }
+                    }
+                }
                 // Advance search
                 if (advanceSearch != -1) {
                     ub.addQuery("advsearch", "1")

app/src/main/java/com/hippo/ehviewer/client/data/NormalPreviewSet.kt

@@ -17,12 +17,9 @@ package com.hippo.ehviewer.client.data
 
 import com.hippo.widget.LoadImageView
 import com.hippo.yorozuya.collect.IntList
-import kotlinx.parcelize.Parcelize
 
-@Parcelize
 class NormalPreviewSet(
     private var mPositionList: IntList = IntList(),
-    private var mImageKeyList: ArrayList<String> = ArrayList(),
     private var mImageUrlList: ArrayList<String> = ArrayList(),
     private var mOffsetXList: IntList = IntList(),
     private var mOffsetYList: IntList = IntList(),
@@ -31,21 +28,11 @@ class NormalPreviewSet(
     private var mPageUrlList: ArrayList<String> = ArrayList()
 ) : PreviewSet() {
 
-    private fun getImageKey(imageUrl: String): String {
-        val index = imageUrl.indexOf('/')
-        return if (index >= 0) {
-            imageUrl.substring(index + 1)
-        } else {
-            imageUrl
-        }
-    }
-
     fun addItem(
         position: Int, imageUrl: String, xOffset: Int, yOffset: Int, width: Int,
         height: Int, pageUrl: String
     ) {
         mPositionList.add(position)
-        mImageKeyList.add(getImageKey(imageUrl))
         mImageUrlList.add(imageUrl)
         mOffsetXList.add(xOffset)
         mOffsetYList.add(yOffset)
@@ -55,7 +42,7 @@ class NormalPreviewSet(
     }
 
     override fun size(): Int {
-        return mPositionList.size()
+        return mPositionList.size
     }
 
     override fun getPosition(index: Int): Int {
@@ -69,7 +56,6 @@ class NormalPreviewSet(
     override fun getGalleryPreview(gid: Long, index: Int): GalleryPreview {
         val galleryPreview = GalleryPreview()
         galleryPreview.position = mPositionList[index]
-        galleryPreview.imageKey = mImageKeyList[index]
         galleryPreview.imageUrl = mImageUrlList[index]
         galleryPreview.pageUrl = mPageUrlList[index]
         galleryPreview.offsetX = mOffsetXList[index]
@@ -84,6 +70,6 @@ class NormalPreviewSet(
             mOffsetXList[index], mOffsetYList[index],
             mClipWidthList[index], mClipHeightList[index]
         )
-        view.load(mImageKeyList[index], mImageUrlList[index])
+        view.load(mImageUrlList[index])
     }
 }

app/src/main/java/com/hippo/ehviewer/client/data/PreviewSet.kt

@@ -15,10 +15,9 @@
  */
 package com.hippo.ehviewer.client.data
 
-import android.os.Parcelable
 import com.hippo.widget.LoadImageView
 
-abstract class PreviewSet : Parcelable {
+abstract class PreviewSet {
     abstract fun size(): Int
     abstract fun getPosition(index: Int): Int
     abstract fun getPageUrlAt(index: Int): String

app/src/main/java/com/hippo/ehviewer/client/parser/ArchiveParser.kt

@@ -15,113 +15,71 @@
  */
 package com.hippo.ehviewer.client.parser
 
-import com.hippo.ehviewer.R
 import com.hippo.ehviewer.client.exception.NoHAtHClientException
 import org.jsoup.Jsoup
-import java.util.function.IntFunction
-import java.util.regex.Pattern
 
 object ArchiveParser {
     private val PATTERN_ARCHIVE_URL =
-        Pattern.compile("<strong>(.*)</strong>.*<a href=\"([^\"]*)\">Click Here To Start Downloading</a>")
+        Regex("<strong>(.*)</strong>.*<a href=\"([^\"]*)\">Click Here To Start Downloading</a>")
     private val PATTERN_CURRENT_FUNDS =
-        Pattern.compile("<p>([\\d,]+) GP \\[[^]]*] &nbsp; ([\\d,]+) Credits \\[[^]]*]</p>")
-    private val PATTERN_FUNDS =
-        Pattern.compile("Available: ([\\d,]+) Credits.*Available: ([\\d,]+) kGP", Pattern.DOTALL)
+        Regex("<p>([\\d,]+) GP \\[[^]]*] &nbsp; ([\\d,]+) Credits \\[[^]]*]</p>")
     private val PATTERN_HATH_FORM =
-        Pattern.compile("<form id=\"hathdl_form\" action=\"[^\"]*?or=([^=\"]*?)\" method=\"post\">")
+        Regex("<form id=\"hathdl_form\" action=\"[^\"]*?or=([^=\"]*?)\" method=\"post\">")
     private val PATTERN_HATH_ARCHIVE =
-        Pattern.compile("<p><a href=\"[^\"]*\" onclick=\"return do_hathdl\\('([0-9]+|org)'\\)\">([^<]+)</a></p>\\s*<p>([\\w. ]+)</p>\\s*<p>([\\w. ]+)</p>")
+        Regex("<p><a href=\"[^\"]*\" onclick=\"return do_hathdl\\('([0-9]+|org)'\\)\">([^<]+)</a></p>\\s*<p>([\\w. ]+)</p>\\s*<p>([\\w. ]+)</p>")
     private val PATTERN_NEED_HATH_CLIENT =
-        Pattern.compile("You must have a H@H client assigned to your account to use this feature\\.")
+        Regex("You must have a H@H client assigned to your account to use this feature\\.")
 
     fun parse(body: String): Result? {
-        var m = PATTERN_HATH_FORM.matcher(body)
-        if (!m.find()) {
-            return null
-        }
-        val paramOr = m.group(1)
+        val m = PATTERN_HATH_FORM.find(body) ?: return null
+        val paramOr = m.groupValues[1]
         val archiveList = ArrayList<Archive>()
-        val d = Jsoup.parse(body)
-        val es = d.select("#db>div>div")
-        for (e in es) {
-            if (e.childrenSize() > 0 && !e.attr("style").contains("color:#CCCCCC")) {
-                try {
-                    val res = e.selectFirst("form>input")!!.attr("value")
-                    val name = e.selectFirst("form>div>input")!!.attr("value")
-                    val size = e.selectFirst("p>strong")!!.text()
-                    val cost = e.selectFirst("div>strong")!!.text().replace(",", "")
-                    val item = Archive(res, name, size, cost, false)
-                    archiveList.add(item)
-                } catch (ex: NullPointerException) {
-                    ex.printStackTrace()
+        Jsoup.parse(body).select("#db>div>div").forEach { element ->
+            if (element.childrenSize() > 0 && !element.attr("style").contains("color:#CCCCCC")) {
+                runCatching {
+                    val res = element.selectFirst("form>input")!!.attr("value")
+                    val name = element.selectFirst("form>div>input")!!.attr("value")
+                    val size = element.selectFirst("p>strong")!!.text()
+                    val cost = element.selectFirst("div>strong")!!.text().replace(",", "")
+                    Archive(res, name, size, cost, false)
+                }.onSuccess {
+                    archiveList.add(it)
+                }.onFailure {
+                    it.printStackTrace()
                 }
             }
         }
-        m = PATTERN_HATH_ARCHIVE.matcher(body)
-        while (m.find()) {
-            val res = ParserUtils.trim(m.group(1))
-            val name = ParserUtils.trim(m.group(2))
-            val size = ParserUtils.trim(m.group(3))
-            val cost = ParserUtils.trim(m.group(4))
+        PATTERN_HATH_ARCHIVE.findAll(body).forEach { matchResult ->
+            val (res, name, size, cost) = matchResult.groupValues.slice(1..4)
+                .map { ParserUtils.trim(it) }
             val item = Archive(res, name, size, cost, true)
             archiveList.add(item)
         }
-        var funds: Funds? = null
-        m = PATTERN_CURRENT_FUNDS.matcher(body)
-        if (m.find()) {
-            val fundsGP = ParserUtils.parseInt(m.group(1), 0)
-            val fundsC = ParserUtils.parseInt(m.group(2), 0)
-            funds = Funds(fundsGP, fundsC)
+        val result = Result(paramOr, archiveList, null)
+        PATTERN_CURRENT_FUNDS.find(body)?.groupValues?.run {
+            val fundsGP = ParserUtils.parseInt(get(1), 0)
+            val fundsC = ParserUtils.parseInt(get(2), 0)
+            val funds = HomeParser.Funds(fundsGP, fundsC)
+            result.funds = funds
         }
-        return Result(paramOr, archiveList, funds)
+        return result
     }
 
     @Throws(NoHAtHClientException::class)
     fun parseArchiveUrl(body: String): String? {
-        val m = PATTERN_NEED_HATH_CLIENT.matcher(body)
-        if (m.find()) {
-            throw NoHAtHClientException("No H@H client")
-        }
-        val d = Jsoup.parse(body)
-        val a = d.selectFirst("#continue>a[href]")
-        return if (a != null) {
-            a.attr("href") + "?start=1"
-        } else null
-
+        if (PATTERN_NEED_HATH_CLIENT.containsMatchIn(body)) throw NoHAtHClientException("No H@H client")
+        return Jsoup.parse(body).selectFirst("#continue>a[href]")
+            ?.let { it.attr("href") + "?start=1" }
         // TODO: Check more errors
     }
 
-    fun parseFunds(body: String): Funds? {
-        val m = PATTERN_FUNDS.matcher(body)
-        return if (m.find()) {
-            val fundsC = ParserUtils.parseInt(m.group(1), 0)
-            val fundsGP = ParserUtils.parseInt(m.group(2), 0) * 1000
-            return Funds(fundsGP, fundsC)
-        } else null
-    }
-
     class Archive(
         val res: String,
         val name: String,
         val size: String,
         val cost: String,
         val isHAtH: Boolean
-    ) {
-        fun format(getString: IntFunction<String?>): String {
-            return if (isHAtH) {
-                val costStr = if (cost == "Free") getString.apply(R.string.archive_free) else cost
-                "[H@H] $name [$size] [$costStr]"
-            } else {
-                val nameStr =
-                    getString.apply(if (res == "org") R.string.archive_original else R.string.archive_resample)
-                val costStr = if (cost == "Free!") getString.apply(R.string.archive_free) else cost
-                "$nameStr [$size] [$costStr]"
-            }
-        }
-    }
+    )
 
-    class Funds(var fundsGP: Int, var fundsC: Int)
-
-    class Result(val paramOr: String?, val archiveList: List<Archive>, var funds: Funds?)
-}
+    class Result(val paramOr: String?, val archiveList: List<Archive>, var funds: HomeParser.Funds?)
+}

app/src/main/java/com/hippo/ehviewer/client/parser/EventPaneParser.java

@@ -1,45 +0,0 @@
-/*
- * Copyright 2022 Tarsin Norbin
- *
- * This file is part of EhViewer
- *
- * EhViewer is free software: you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * EhViewer is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
- * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along with EhViewer.
- * If not, see <https://www.gnu.org/licenses/>.
- */
-
-package com.hippo.ehviewer.client.parser;
-
-import com.hippo.util.ExceptionUtils;
-
-import org.jsoup.Jsoup;
-import org.jsoup.nodes.Document;
-import org.jsoup.nodes.Element;
-
-public class EventPaneParser {
-
-    public static String parse(String body) {
-        String event = null;
-        try {
-            Document d = Jsoup.parse(body);
-            Element eventpane = d.getElementById("eventpane");
-            if (eventpane != null) {
-                event = eventpane.html();
-            }
-        } catch (Throwable e) {
-            ExceptionUtils.throwIfFatal(e);
-            e.printStackTrace();
-        }
-        return event;
-    }
-
-
-}

app/src/main/java/com/hippo/ehviewer/client/parser/EventPaneParser.kt

@@ -15,23 +15,12 @@
  * You should have received a copy of the GNU General Public License along with EhViewer.
  * If not, see <https://www.gnu.org/licenses/>.
  */
-package com.hippo.ehviewer.client
+package com.hippo.ehviewer.client.parser
 
-import android.annotation.SuppressLint
-import java.security.cert.X509Certificate
-import javax.net.ssl.X509TrustManager
+import org.jsoup.Jsoup
 
-@SuppressLint("CustomX509TrustManager")
-object EhX509TrustManager : X509TrustManager {
-    @SuppressLint("TrustAllX509TrustManager")
-    override fun checkClientTrusted(chain: Array<X509Certificate>, authType: String) {
-    }
-
-    @SuppressLint("TrustAllX509TrustManager")
-    override fun checkServerTrusted(chain: Array<X509Certificate>, authType: String) {
-    }
-
-    override fun getAcceptedIssuers(): Array<X509Certificate?> {
-        return arrayOfNulls(0)
+object EventPaneParser {
+    fun parse(body: String): String? {
+        return Jsoup.parse(body).getElementById("eventpane")?.html()
     }
 }

app/src/main/java/com/hippo/ehviewer/client/parser/FavoritesParser.java

@@ -23,7 +23,7 @@ import com.hippo.ehviewer.client.exception.EhException;
 import com.hippo.ehviewer.client.exception.ParseException;
 import com.hippo.util.ExceptionUtils;
 import com.hippo.util.JsoupUtils;
-import com.hippo.yorozuya.AssertUtils;
+import com.hippo.yorozuya.AssertUtilsKt;
 
 import org.jsoup.Jsoup;
 import org.jsoup.nodes.Document;
@@ -46,7 +46,7 @@ public class FavoritesParser {
             //noinspection ConstantConditions
             Elements fps = ido.getElementsByClass("fp");
             // Last one is "fp fps"
-            AssertUtils.assertEquals(11, fps.size());
+            AssertUtilsKt.assertEquals(11, fps.size());
 
             for (int i = 0; i < 10; i++) {
                 Element fp = fps.get(i);

app/src/main/java/com/hippo/ehviewer/client/parser/ForumsParser.java

@@ -17,7 +17,7 @@
 package com.hippo.ehviewer.client.parser;
 
 import com.hippo.ehviewer.client.EhUrl;
-import com.hippo.ehviewer.client.exception.ParseException;
+import com.hippo.ehviewer.client.exception.EhException;
 import com.hippo.util.ExceptionUtils;
 
 import org.jsoup.Jsoup;
@@ -26,7 +26,7 @@ import org.jsoup.nodes.Element;
 
 public class ForumsParser {
 
-    public static String parse(String body) throws ParseException {
+    public static String parse(String body) throws EhException {
         try {
             Document d = Jsoup.parse(body, EhUrl.URL_FORUMS);
             Element userlinks = d.getElementById("userlinks");
@@ -34,7 +34,7 @@ public class ForumsParser {
             return child.attr("href");
         } catch (Throwable e) {
             ExceptionUtils.throwIfFatal(e);
-            throw new ParseException("Parse forums error", body);
+            throw new EhException("Not logged in");
         }
     }
 }

app/src/main/java/com/hippo/ehviewer/client/parser/GalleryDetailParser.java

@@ -1,695 +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.parser;
-
-import androidx.annotation.NonNull;
-import androidx.annotation.Nullable;
-
-import com.hippo.ehviewer.EhDB;
-import com.hippo.ehviewer.client.EhFilter;
-import com.hippo.ehviewer.client.EhUtils;
-import com.hippo.ehviewer.client.data.BaseGalleryInfo;
-import com.hippo.ehviewer.client.data.GalleryComment;
-import com.hippo.ehviewer.client.data.GalleryCommentList;
-import com.hippo.ehviewer.client.data.GalleryDetail;
-import com.hippo.ehviewer.client.data.GalleryInfo;
-import com.hippo.ehviewer.client.data.GalleryTagGroup;
-import com.hippo.ehviewer.client.data.LargePreviewSet;
-import com.hippo.ehviewer.client.data.NormalPreviewSet;
-import com.hippo.ehviewer.client.data.PreviewSet;
-import com.hippo.ehviewer.client.exception.EhException;
-import com.hippo.ehviewer.client.exception.OffensiveException;
-import com.hippo.ehviewer.client.exception.ParseException;
-import com.hippo.ehviewer.client.exception.PiningException;
-import com.hippo.util.ExceptionUtils;
-import com.hippo.util.JsoupUtils;
-import com.hippo.util.MutableBoolean;
-import com.hippo.yorozuya.NumberUtils;
-import com.hippo.yorozuya.StringUtils;
-
-import org.jsoup.Jsoup;
-import org.jsoup.nodes.Document;
-import org.jsoup.nodes.Element;
-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.ArrayList;
-import java.util.List;
-import java.util.Locale;
-import java.util.regex.Matcher;
-import java.util.regex.Pattern;
-
-public class GalleryDetailParser {
-
-    private static final Pattern PATTERN_ERROR = Pattern.compile("<div class=\"d\">\n<p>([^<]+)</p>");
-    private static final Pattern PATTERN_DETAIL = Pattern.compile("var gid = (\\d+);.+?var token = \"([a-f0-9]+)\";.+?var apiuid = ([\\-\\d]+);.+?var apikey = \"([a-f0-9]+)\";", Pattern.DOTALL);
-    private static final Pattern PATTERN_TORRENT = Pattern.compile("<a[^<>]*onclick=\"return popUp\\('([^']+)'[^)]+\\)\">Torrent Download[^<]+(\\d+)[^<]+</a");
-    private static final Pattern PATTERN_ARCHIVE = Pattern.compile("<a[^<>]*onclick=\"return popUp\\('([^']+)'[^)]+\\)\">Archive Download</a>");
-    private static final Pattern PATTERN_COVER = Pattern.compile("width:(\\d+)px; height:(\\d+)px.+?url\\((.+?)\\)");
-    private static final Pattern PATTERN_PAGES = Pattern.compile("<tr><td[^<>]*>Length:</td><td[^<>]*>([\\d,]+) pages</td></tr>");
-    private static final Pattern PATTERN_PREVIEW_PAGES = Pattern.compile("<td[^>]+><a[^>]+>([\\d,]+)</a></td><td[^>]+>(?:<a[^>]+>)?&gt;(?:</a>)?</td>");
-    private static final Pattern PATTERN_NORMAL_PREVIEW = Pattern.compile("<div class=\"gdtm\"[^<>]*><div[^<>]*width:(\\d+)[^<>]*height:(\\d+)[^<>]*\\((.+?)\\)[^<>]*-(\\d+)px[^<>]*><a[^<>]*href=\"(.+?)\"[^<>]*><img alt=\"([\\d,]+)\"");
-    private static final Pattern PATTERN_LARGE_PREVIEW = Pattern.compile("<div class=\"gdtl\".+?<a href=\"(.+?)\"><img alt=\"([\\d,]+)\".+?src=\"(.+?)\"");
-    private static final Pattern PATTERN_NEWER_DATE = Pattern.compile(", added (.+?)<br />");
-    private static final Pattern PATTERN_FAVORITE_SLOT = Pattern.compile("/fav.png\\); background-position:0px -(\\d+)px");
-
-    private static final GalleryTagGroup[] EMPTY_GALLERY_TAG_GROUP_ARRAY = new GalleryTagGroup[0];
-    private static final GalleryCommentList EMPTY_GALLERY_COMMENT_ARRAY = new GalleryCommentList(new GalleryComment[0], false);
-
-    private static final DateTimeFormatter WEB_COMMENT_DATE_FORMAT = DateTimeFormatter
-            .ofPattern("dd MMMM yyyy, HH:mm", Locale.US).withZone(ZoneOffset.UTC);
-    private static final String OFFENSIVE_STRING =
-            "<p>(And if you choose to ignore this warning, you lose all rights to complain about it in the future.)</p>";
-    private static final String PINING_STRING =
-            "<p>This gallery is pining for the fjords.</p>";
-
-    private static final String[] LANGUAGES = {
-            "English",
-            "Chinese",
-            "Spanish",
-            "Korean",
-            "Russian",
-            "French",
-            "Portuguese",
-            "Thai",
-            "German",
-            "Italian",
-            "Vietnamese",
-            "Polish",
-            "Hungarian",
-            "Dutch",
-    };
-
-    public static GalleryDetail parse(String body) throws EhException {
-        if (body.contains(OFFENSIVE_STRING)) {
-            throw new OffensiveException();
-        }
-
-        if (body.contains(PINING_STRING)) {
-            throw new PiningException();
-        }
-
-        // Error info
-        Matcher m = PATTERN_ERROR.matcher(body);
-        if (m.find()) {
-            throw new EhException(m.group(1));
-        }
-
-        GalleryDetail galleryDetail = new GalleryDetail();
-        Document document = Jsoup.parse(body);
-        parseDetail(galleryDetail, document, body);
-        galleryDetail.tags = parseTagGroups(document);
-        galleryDetail.comments = parseComments(document);
-        galleryDetail.previewPages = parsePreviewPages(document, body);
-        galleryDetail.previewSet = parsePreviewSet(document, body);
-
-        // Generate simpleLanguage for local favorites
-        for (int i = 0; i < LANGUAGES.length; i++) {
-            if (galleryDetail.language.equals(LANGUAGES[i])) {
-                galleryDetail.setSimpleLanguage(GalleryInfo.Companion.getS_LANGS()[i]);
-                break;
-            }
-        }
-
-        return galleryDetail;
-    }
-
-    @SuppressWarnings("ConstantConditions")
-    private static void parseDetail(GalleryDetail gd, Document d, String body) throws ParseException {
-        Matcher matcher = PATTERN_DETAIL.matcher(body);
-        if (matcher.find()) {
-            gd.setGid(NumberUtils.parseLongSafely(matcher.group(1), -1L));
-            gd.setToken(matcher.group(2));
-            gd.apiUid = NumberUtils.parseLongSafely(matcher.group(3), -1L);
-            gd.apiKey = matcher.group(4);
-        } else {
-            throw new ParseException("Can't parse gallery detail", body);
-        }
-        if (gd.getGid() == -1L) {
-            throw new ParseException("Can't parse gallery detail", body);
-        }
-
-        matcher = PATTERN_TORRENT.matcher(body);
-        if (matcher.find()) {
-            gd.torrentUrl = StringUtils.unescapeXml(StringUtils.trim(matcher.group(1)));
-            gd.torrentCount = NumberUtils.parseIntSafely(matcher.group(2), 0);
-        } else {
-            gd.torrentCount = 0;
-            gd.torrentUrl = "";
-        }
-
-        matcher = PATTERN_ARCHIVE.matcher(body);
-        if (matcher.find()) {
-            gd.archiveUrl = StringUtils.unescapeXml(StringUtils.trim(matcher.group(1)));
-        } else {
-            gd.archiveUrl = "";
-        }
-
-        try {
-            Element gm = JsoupUtils.getElementByClass(d, "gm");
-
-            // Thumb url
-            Element gd1 = gm.getElementById("gd1");
-            try {
-                gd.setThumb(parseCoverStyle(StringUtils.trim(gd1.child(0).attr("style"))));
-            } catch (Throwable e) {
-                ExceptionUtils.throwIfFatal(e);
-                gd.setThumb("");
-            }
-
-            // Title
-            Element gn = gm.getElementById("gn");
-            if (null != gn) {
-                gd.setTitle(StringUtils.trim(gn.text()));
-            } else {
-                gd.setTitle("");
-            }
-
-            // Jpn title
-            Element gj = gm.getElementById("gj");
-            if (null != gj) {
-                gd.setTitleJpn(StringUtils.trim(gj.text()));
-            } else {
-                gd.setTitleJpn("");
-            }
-
-            // Category
-            Element gdc = gm.getElementById("gdc");
-            try {
-                Element ce = JsoupUtils.getElementByClass(gdc, "cn");
-                if (ce == null) {
-                    ce = JsoupUtils.getElementByClass(gdc, "cs");
-                }
-                gd.setCategory(EhUtils.getCategory(ce.text()));
-            } catch (Throwable e) {
-                ExceptionUtils.throwIfFatal(e);
-                gd.setCategory(EhUtils.UNKNOWN);
-            }
-
-            // Uploader
-            Element gdn = gm.getElementById("gdn");
-            if (null != gdn) {
-                gd.setDisowned(gdn.attr("style").contains("opacity:0.5"));
-                gd.setUploader(StringUtils.trim(gdn.text()));
-            } else {
-                gd.setUploader("");
-            }
-
-            Element gdd = gm.getElementById("gdd");
-            gd.setPosted("");
-            gd.parent = "";
-            gd.visible = "";
-            gd.size = "";
-            gd.setPages(0);
-            gd.favoriteCount = 0;
-            Elements es = gdd.child(0).child(0).children();
-            for (int i = 0, n = es.size(); i < n; i++) {
-                parseDetailInfo(gd, es.get(i));
-            }
-
-            // Rating count
-            Element rating_count = gm.getElementById("rating_count");
-            if (null != rating_count) {
-                gd.ratingCount = NumberUtils.parseIntSafely(
-                        StringUtils.trim(rating_count.text()), 0);
-            } else {
-                gd.ratingCount = 0;
-            }
-
-            // Rating
-            Element rating_label = gm.getElementById("rating_label");
-            if (null != rating_label) {
-                String ratingStr = StringUtils.trim(rating_label.text());
-                if ("Not Yet Rated".equals(ratingStr)) {
-                    gd.setRating(-1.0f);
-                } else {
-                    int index = ratingStr.indexOf(' ');
-                    if (index == -1 || index >= ratingStr.length()) {
-                        gd.setRating(0f);
-                    } else {
-                        gd.setRating(NumberUtils.parseFloatSafely(ratingStr.substring(index + 1), 0f));
-                    }
-                }
-            } else {
-                gd.setRating(-1.0f);
-            }
-
-            // isFavorited
-            Element gdf = gm.getElementById("gdf");
-            gd.isFavorited = false;
-            if (gdf != null) {
-                final String favoriteName = StringUtils.trim(gdf.text());
-                if (favoriteName.equals("Add to Favorites")) {
-                    gd.setFavoriteName(null);
-                } else {
-                    gd.isFavorited = true;
-                    gd.setFavoriteName(StringUtils.trim(gdf.text()));
-
-                    matcher = PATTERN_FAVORITE_SLOT.matcher(body);
-                    if (matcher.find()) {
-                        gd.setFavoriteSlot((NumberUtils.parseIntSafely(matcher.group(1), 2) - 2) / 19);
-                    }
-                }
-            }
-            if (gd.getFavoriteSlot() == -2 && EhDB.containLocalFavorites(gd.getGid())) {
-                gd.setFavoriteSlot(-1);
-            }
-        } catch (Throwable e) {
-            ExceptionUtils.throwIfFatal(e);
-            throw new ParseException("Can't parse gallery detail", body);
-        }
-
-        // newer version
-        try {
-            Element gnd = d.getElementById("gnd");
-            if (gnd != null) {
-                matcher = PATTERN_NEWER_DATE.matcher(body);
-                ArrayList<String> dates = new ArrayList<>();
-                while (matcher.find()) {
-                    dates.add(matcher.group(1));
-                }
-                Elements elements = gnd.select("a");
-                for (int i = 0; i < elements.size(); i++) {
-                    Element element = elements.get(i);
-                    GalleryInfo gi = new BaseGalleryInfo();
-                    GalleryDetailUrlParser.Result result = GalleryDetailUrlParser.parse(element.attr("href"));
-                    if (result != null) {
-                        gi.setGid(result.gid);
-                        gi.setToken(result.token);
-                        gi.setTitle(StringUtils.trim(element.text()));
-                        gi.setPosted(dates.get(i));
-                        gd.newerVersions.add(gi);
-                    }
-                }
-            }
-        } catch (Throwable e) {
-            e.printStackTrace();
-        }
-    }
-
-    // width:250px; height:356px; background:transparent url(https://exhentai.org/t/fe/1f/fe1fcfa9bf8fba2f03982eda0aa347cc9d6a6372-145921-1050-1492-jpg_250.jpg) 0 0 no-repeat
-    private static String parseCoverStyle(String str) {
-        Matcher matcher = PATTERN_COVER.matcher(str);
-        if (matcher.find()) {
-            return EhUtils.handleThumbUrlResolution(matcher.group(3));
-        } else {
-            return "";
-        }
-    }
-
-    private static void parseDetailInfo(GalleryDetail gd, Element e) {
-        Elements es = e.children();
-        if (es.size() < 2) {
-            return;
-        }
-
-        String key = StringUtils.trim(es.get(0).text());
-        String value = StringUtils.trim(es.get(1).ownText());
-        if (key.startsWith("Posted")) {
-            gd.setPosted(value);
-        } else if (key.startsWith("Parent")) {
-            Element a = es.get(1).children().first();
-            if (a != null) {
-                gd.parent = a.attr("href");
-            }
-        } else if (key.startsWith("Visible")) {
-            gd.visible = value;
-        } else if (key.startsWith("Language")) {
-            gd.language = value;
-        } else if (key.startsWith("File Size")) {
-            gd.size = value;
-        } else if (key.startsWith("Length")) {
-            int index = value.indexOf(' ');
-            if (index >= 0) {
-                gd.setPages(NumberUtils.parseIntSafely(value.substring(0, index), 1));
-            } else {
-                gd.setPages(1);
-            }
-        } else if (key.startsWith("Favorited")) {
-            switch (value) {
-                case "Never" -> gd.favoriteCount = 0;
-                case "Once" -> gd.favoriteCount = 1;
-                default -> {
-                    int index = value.indexOf(' ');
-                    if (index == -1) {
-                        gd.favoriteCount = 0;
-                    } else {
-                        gd.favoriteCount = NumberUtils.parseIntSafely(value.substring(0, index), 0);
-                    }
-                }
-            }
-        }
-    }
-
-    @Nullable
-    private static GalleryTagGroup parseTagGroup(Element element) {
-        try {
-            GalleryTagGroup group = new GalleryTagGroup();
-
-            String nameSpace = element.child(0).text();
-            // Remove last ':'
-            nameSpace = nameSpace.substring(0, nameSpace.length() - 1);
-            group.groupName = nameSpace;
-
-            Elements tags = element.child(1).children();
-            for (int i = 0, n = tags.size(); i < n; i++) {
-                String tag = tags.get(i).text();
-                // Sometimes parody tag is followed with '|' and english translate, just remove them
-                int index = tag.indexOf('|');
-                if (index >= 0) {
-                    tag = tag.substring(0, index).trim();
-                }
-                group.addTag(tag);
-            }
-
-            return group.size() > 0 ? group : null;
-        } catch (Throwable e) {
-            ExceptionUtils.throwIfFatal(e);
-            e.printStackTrace();
-            return null;
-        }
-    }
-
-    /**
-     * Parse tag groups with html parser
-     */
-    @NonNull
-    public static GalleryTagGroup[] parseTagGroups(Document document) {
-        try {
-            Element taglist = document.getElementById("taglist");
-            assert taglist != null;
-            Elements tagGroups = taglist.child(0).child(0).children();
-            return parseTagGroups(tagGroups);
-        } catch (Throwable e) {
-            ExceptionUtils.throwIfFatal(e);
-            e.printStackTrace();
-            return EMPTY_GALLERY_TAG_GROUP_ARRAY;
-        }
-    }
-
-    @NonNull
-    public static GalleryTagGroup[] parseTagGroups(Elements trs) {
-        try {
-            List<GalleryTagGroup> list = new ArrayList<>(trs.size());
-            for (int i = 0, n = trs.size(); i < n; i++) {
-                GalleryTagGroup group = parseTagGroup(trs.get(i));
-                if (null != group) {
-                    list.add(group);
-                }
-            }
-            return list.toArray(new GalleryTagGroup[0]);
-        } catch (Throwable e) {
-            ExceptionUtils.throwIfFatal(e);
-            e.printStackTrace();
-            return EMPTY_GALLERY_TAG_GROUP_ARRAY;
-        }
-    }
-
-    @Nullable
-    @SuppressWarnings("ConstantConditions")
-    public static GalleryComment parseComment(Element element) {
-        try {
-            GalleryComment comment = new GalleryComment();
-            // Id
-            Element a = element.previousElementSibling();
-            String name = a.attr("name");
-            comment.id = Integer.parseInt(StringUtils.trim(name).substring(1));
-            // Editable, vote up and vote down
-            Element c4 = JsoupUtils.getElementByClass(element, "c4");
-            if (null != c4) {
-                if ("Uploader Comment".equals(c4.text())) {
-                    comment.uploader = true;
-                }
-                for (Element e : c4.children()) {
-                    switch (e.text()) {
-                        case "Vote+" -> {
-                            comment.voteUpAble = true;
-                            comment.voteUpEd = !StringUtils.trim(e.attr("style")).isEmpty();
-                        }
-                        case "Vote-" -> {
-                            comment.voteDownAble = true;
-                            comment.voteDownEd = !StringUtils.trim(e.attr("style")).isEmpty();
-                        }
-                        case "Edit" -> comment.editable = true;
-                    }
-                }
-            }
-            // Vote state
-            Element c7 = JsoupUtils.getElementByClass(element, "c7");
-            if (null != c7) {
-                comment.voteState = StringUtils.trim(c7.text());
-            }
-            // Score
-            Element c5 = JsoupUtils.getElementByClass(element, "c5");
-            if (null != c5) {
-                Elements es = c5.children();
-                if (!es.isEmpty()) {
-                    comment.score = NumberUtils.parseIntSafely(StringUtils.trim(es.get(0).text()), 0);
-                }
-            }
-            // time
-            Element c3 = JsoupUtils.getElementByClass(element, "c3");
-            String temp = c3.ownText();
-            temp = temp.substring("Posted on ".length(), temp.length() - " by:".length());
-            comment.time = Instant.from(WEB_COMMENT_DATE_FORMAT.parse(temp)).toEpochMilli();
-            // user
-            comment.user = c3.child(0).text();
-            // comment
-            comment.comment = JsoupUtils.getElementByClass(element, "c6").html();
-            // filter comment
-            if (!comment.uploader) {
-                EhFilter sEhFilter = EhFilter.INSTANCE;
-                if (!sEhFilter.filterCommenter(comment.user) || !sEhFilter.filterComment(comment.comment)) {
-                    return null;
-                }
-            }
-            // last edited
-            Element c8 = JsoupUtils.getElementByClass(element, "c8");
-            if (c8 != null) {
-                Element e = c8.children().first();
-                if (e != null) {
-                    comment.lastEdited = Instant.from(WEB_COMMENT_DATE_FORMAT.parse(temp)).toEpochMilli();
-                }
-            }
-            return comment;
-        } catch (Throwable e) {
-            ExceptionUtils.throwIfFatal(e);
-            e.printStackTrace();
-            return null;
-        }
-    }
-
-    /**
-     * Parse comments with html parser
-     */
-    @NonNull
-    public static GalleryCommentList parseComments(Document document) {
-        try {
-            Element cdiv = document.getElementById("cdiv");
-            assert cdiv != null;
-            Elements c1s = cdiv.getElementsByClass("c1");
-
-            List<GalleryComment> list = new ArrayList<>(c1s.size());
-            for (int i = 0, n = c1s.size(); i < n; i++) {
-                GalleryComment comment = parseComment(c1s.get(i));
-                if (null != comment) {
-                    list.add(comment);
-                }
-            }
-
-            Element chd = cdiv.getElementById("chd");
-            MutableBoolean hasMore = new MutableBoolean(false);
-            assert chd != null;
-            NodeTraversor.traverse(new NodeVisitor() {
-                @Override
-                public void head(@NonNull Node node, int depth) {
-                    if (node instanceof Element && ((Element) node).text().equals("click to show all")) {
-                        hasMore.value = true;
-                    }
-                }
-
-                @Override
-                public void tail(@NonNull Node node, int depth) {
-                }
-            }, chd);
-
-            return new GalleryCommentList(list.toArray(new GalleryComment[0]), hasMore.value);
-        } catch (Throwable e) {
-            ExceptionUtils.throwIfFatal(e);
-            e.printStackTrace();
-            return EMPTY_GALLERY_COMMENT_ARRAY;
-        }
-    }
-
-    /**
-     * Parse preview pages with html parser
-     */
-    public static int parsePreviewPages(Document document, String body) throws ParseException {
-        try {
-            Element ptt = document.getElementsByClass("ptt").first();
-            assert ptt != null;
-            Elements elements = ptt.child(0).child(0).children();
-            return Integer.parseInt(elements.get(elements.size() - 2).text());
-        } catch (Throwable e) {
-            ExceptionUtils.throwIfFatal(e);
-            e.printStackTrace();
-            throw new ParseException("Can't parse preview pages", body);
-        }
-    }
-
-    /**
-     * Parse preview pages with regular expressions
-     */
-    public static int parsePreviewPages(String body) throws ParseException {
-        Matcher m = PATTERN_PREVIEW_PAGES.matcher(body);
-        int previewPages = -1;
-        if (m.find()) {
-            previewPages = ParserUtils.parseInt(m.group(1), -1);
-        }
-
-        if (previewPages <= 0) {
-            throw new ParseException("Parse preview page count error", body);
-        }
-
-        return previewPages;
-    }
-
-    /**
-     * Parse pages with regular expressions
-     */
-    public static int parsePages(String body) throws ParseException {
-        int pages = -1;
-
-        Matcher m = PATTERN_PAGES.matcher(body);
-        if (m.find()) {
-            pages = ParserUtils.parseInt(m.group(1), -1);
-        }
-
-        if (pages < 0) {
-            throw new ParseException("Parse pages error", body);
-        }
-
-        return pages;
-    }
-
-    public static PreviewSet parsePreviewSet(Document d, String body) throws ParseException {
-        try {
-            return parseLargePreviewSet(d, body);
-        } catch (ParseException e) {
-            return parseNormalPreviewSet(body);
-        }
-    }
-
-    public static PreviewSet parsePreviewSet(String body) throws ParseException {
-        try {
-            return parseLargePreviewSet(body);
-        } catch (ParseException e) {
-            return parseNormalPreviewSet(body);
-        }
-    }
-
-    /**
-     * Parse large previews with regular expressions
-     */
-    private static LargePreviewSet parseLargePreviewSet(Document d, String body) throws ParseException {
-        try {
-            LargePreviewSet largePreviewSet = new LargePreviewSet();
-            Element gdt = d.getElementById("gdt");
-            assert gdt != null;
-            Elements gdtls = gdt.getElementsByClass("gdtl");
-            int n = gdtls.size();
-            if (n == 0) {
-                throw new ParseException("Can't parse large preview", body);
-            }
-            for (int i = 0; i < n; i++) {
-                Element element = gdtls.get(i).child(0);
-                String pageUrl = element.attr("href");
-                element = element.child(0);
-                String imageUrl = element.attr("src");
-                int index = Integer.parseInt(element.attr("alt")) - 1;
-                largePreviewSet.addItem(index, imageUrl, pageUrl);
-            }
-            return largePreviewSet;
-        } catch (Throwable e) {
-            ExceptionUtils.throwIfFatal(e);
-            e.printStackTrace();
-            throw new ParseException("Can't parse large preview", body);
-        }
-    }
-
-    /**
-     * Parse large previews with regular expressions
-     */
-    private static LargePreviewSet parseLargePreviewSet(String body) throws ParseException {
-        Matcher m = PATTERN_LARGE_PREVIEW.matcher(body);
-        LargePreviewSet largePreviewSet = new LargePreviewSet();
-
-        while (m.find()) {
-            int index = ParserUtils.parseInt(m.group(2), 0) - 1;
-            if (index < 0) {
-                continue;
-            }
-            String imageUrl = ParserUtils.trim(m.group(3));
-            String pageUrl = ParserUtils.trim(m.group(1));
-            largePreviewSet.addItem(index, imageUrl, pageUrl);
-        }
-
-        if (largePreviewSet.size() == 0) {
-            throw new ParseException("Can't parse large preview", body);
-        }
-
-        return largePreviewSet;
-    }
-
-    /**
-     * Parse normal previews with regular expressions
-     */
-    private static NormalPreviewSet parseNormalPreviewSet(String body) throws ParseException {
-        Matcher m = PATTERN_NORMAL_PREVIEW.matcher(body);
-        NormalPreviewSet normalPreviewSet = new NormalPreviewSet();
-        while (m.find()) {
-            int position = ParserUtils.parseInt(m.group(6), 0) - 1;
-            if (position < 0) {
-                continue;
-            }
-            String imageUrl = ParserUtils.trim(m.group(3));
-            int xOffset = ParserUtils.parseInt(m.group(4), 0);
-            int yOffset = 0;
-            int width = ParserUtils.parseInt(m.group(1), 0);
-            if (width <= 0) {
-                continue;
-            }
-            int height = ParserUtils.parseInt(m.group(2), 0);
-            if (height <= 0) {
-                continue;
-            }
-            String pageUrl = ParserUtils.trim(m.group(5));
-            normalPreviewSet.addItem(position, imageUrl, xOffset, yOffset, width, height, pageUrl);
-        }
-
-        if (normalPreviewSet.size() == 0) {
-            throw new ParseException("Can't parse normal preview", body);
-        }
-
-        return normalPreviewSet;
-    }
-}

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

@@ -0,0 +1,572 @@
+/*
+ * 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.parser
+
+import com.hippo.ehviewer.EhDB
+import com.hippo.ehviewer.client.EhFilter
+import com.hippo.ehviewer.client.EhUtils
+import com.hippo.ehviewer.client.EhUtils.getCategory
+import com.hippo.ehviewer.client.EhUtils.handleThumbUrlResolution
+import com.hippo.ehviewer.client.data.BaseGalleryInfo
+import com.hippo.ehviewer.client.data.GalleryComment
+import com.hippo.ehviewer.client.data.GalleryCommentList
+import com.hippo.ehviewer.client.data.GalleryDetail
+import com.hippo.ehviewer.client.data.GalleryTagGroup
+import com.hippo.ehviewer.client.data.LargePreviewSet
+import com.hippo.ehviewer.client.data.NormalPreviewSet
+import com.hippo.ehviewer.client.data.PreviewSet
+import com.hippo.ehviewer.client.exception.EhException
+import com.hippo.ehviewer.client.exception.OffensiveException
+import com.hippo.ehviewer.client.exception.ParseException
+import com.hippo.ehviewer.client.exception.PiningException
+import com.hippo.util.ExceptionUtils
+import com.hippo.util.JsoupUtils
+import com.hippo.yorozuya.NumberUtils
+import com.hippo.yorozuya.StringUtils
+import com.hippo.yorozuya.trimAnd
+import com.hippo.yorozuya.unescapeXml
+import org.jsoup.Jsoup
+import org.jsoup.nodes.Document
+import org.jsoup.nodes.Element
+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>")
+    private val PATTERN_DETAIL = Regex(
+        "var gid = (\\d+);.+?var token = \"([a-f0-9]+)\";.+?var apiuid = ([\\-\\d]+);.+?var apikey = \"([a-f0-9]+)\";",
+        RegexOption.DOT_MATCHES_ALL
+    )
+    private val PATTERN_TORRENT =
+        Regex("<a[^<>]*onclick=\"return popUp\\('([^']+)'[^)]+\\)\">Torrent Download[^<]+(\\d+)[^<]+</a")
+    private val PATTERN_ARCHIVE =
+        Regex("<a[^<>]*onclick=\"return popUp\\('([^']+)'[^)]+\\)\">Archive Download</a>")
+    private val PATTERN_COVER = Regex("width:(\\d+)px; height:(\\d+)px.+?url\\((.+?)\\)")
+    private val PATTERN_PAGES =
+        Regex("<tr><td[^<>]*>Length:</td><td[^<>]*>([\\d,]+) pages</td></tr>")
+    private val PATTERN_PREVIEW_PAGES =
+        Regex("<td[^>]+><a[^>]+>([\\d,]+)</a></td><td[^>]+>(?:<a[^>]+>)?&gt;(?:</a>)?</td>")
+    private val PATTERN_NORMAL_PREVIEW =
+        Regex("<div class=\"gdtm\"[^<>]*><div[^<>]*width:(\\d+)[^<>]*height:(\\d+)[^<>]*\\((.+?)\\)[^<>]*-(\\d+)px[^<>]*><a[^<>]*href=\"(.+?)\"[^<>]*><img alt=\"([\\d,]+)\"")
+    private val PATTERN_LARGE_PREVIEW =
+        Regex("<div class=\"gdtl\".+?<a href=\"(.+?)\"><img alt=\"([\\d,]+)\".+?src=\"(.+?)\"")
+    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 WEB_COMMENT_DATE_FORMAT = DateTimeFormatter
+        .ofPattern("dd MMMM yyyy, HH:mm", Locale.US).withZone(ZoneOffset.UTC)
+    private const val OFFENSIVE_STRING =
+        "<p>(And if you choose to ignore this warning, you lose all rights to complain about it in the future.)</p>"
+    private const val PINING_STRING = "<p>This gallery is pining for the fjords.</p>"
+
+    @Throws(EhException::class)
+    fun parse(body: String): GalleryDetail {
+        if (body.contains(OFFENSIVE_STRING)) {
+            throw OffensiveException()
+        }
+        if (body.contains(PINING_STRING)) {
+            throw PiningException()
+        }
+
+        // Error info
+        PATTERN_ERROR.find(body)?.run { throw EhException(groupValues[1]) }
+        val galleryDetail = GalleryDetail()
+        // Temporary workaround, see https://github.com/jhy/jsoup/issues/1850
+        val document = Jsoup.parse(body.replace("del>", "s>"))
+        parseDetail(galleryDetail, document, body)
+        galleryDetail.tags = parseTagGroups(document)
+        galleryDetail.comments = parseComments(document)
+        galleryDetail.previewPages = parsePreviewPages(document, body)
+        galleryDetail.previewSet = parsePreviewSet(document, body)
+
+        // Generate simpleLanguage for local favorites
+        galleryDetail.generateSLang()
+        return galleryDetail
+    }
+
+    @Throws(ParseException::class)
+    private fun parseDetail(gd: GalleryDetail, d: Document, body: String) {
+        PATTERN_DETAIL.find(body)?.apply {
+            gd.gid = groupValues[1].toLongOrNull() ?: -1L
+            gd.token = groupValues[2]
+            gd.apiUid = groupValues[3].toLongOrNull() ?: -1L
+            gd.apiKey = groupValues[4]
+        } ?: throw ParseException("Can't parse gallery detail", body)
+        if (gd.gid == -1L) {
+            throw ParseException("Can't parse gallery detail", body)
+        }
+        PATTERN_TORRENT.find(body)?.run {
+            gd.torrentUrl = groupValues[1].trim().unescapeXml()
+            gd.torrentCount = groupValues[2].toIntOrNull() ?: 0
+        }
+        PATTERN_ARCHIVE.find(body)?.run {
+            gd.archiveUrl = groupValues[1].trim().unescapeXml()
+        }
+        try {
+            val gm = d.getElementsByClass("gm")[0]
+            // Thumb url
+            gm.getElementById("gd1")?.child(0)?.attr("style")?.trim()?.let {
+                gd.thumb = PATTERN_COVER.find(it)?.run {
+                    handleThumbUrlResolution(groupValues[3])
+                }
+            }
+
+            gd.title = gm.getElementById("gn")?.text()?.trim()
+            gd.titleJpn = gm.getElementById("gj")?.text()?.trim()
+
+            // Category
+            val gdc = gm.getElementById("gdc")
+            try {
+                var ce = JsoupUtils.getElementByClass(gdc, "cn")
+                if (ce == null) {
+                    ce = JsoupUtils.getElementByClass(gdc, "cs")
+                }
+                gd.category = getCategory(ce!!.text())
+            } catch (e: Throwable) {
+                ExceptionUtils.throwIfFatal(e)
+                gd.category = EhUtils.UNKNOWN
+            }
+
+            // Uploader
+            val gdn = gm.getElementById("gdn")
+            if (null != gdn) {
+                gd.disowned = gdn.attr("style").contains("opacity:0.5")
+                gd.uploader = StringUtils.trim(gdn.text())
+            } else {
+                gd.uploader = ""
+            }
+            val gdd = gm.getElementById("gdd")
+            gd.posted = ""
+            gd.parent = ""
+            gd.visible = ""
+            gd.size = ""
+            gd.pages = 0
+            gd.favoriteCount = 0
+            val es = gdd!!.child(0).child(0).children()
+            es.forEach {
+                parseDetailInfo(gd, it)
+            }
+
+            // Rating count
+            val ratingCount = gm.getElementById("rating_count")
+            if (null != ratingCount) {
+                gd.ratingCount = NumberUtils.parseIntSafely(
+                    StringUtils.trim(ratingCount.text()), 0
+                )
+            } else {
+                gd.ratingCount = 0
+            }
+
+            // Rating
+            val ratingLabel = gm.getElementById("rating_label")
+            if (null != ratingLabel) {
+                val ratingStr = StringUtils.trim(ratingLabel.text())
+                if ("Not Yet Rated" == ratingStr) {
+                    gd.rating = -1.0f
+                } else {
+                    val index = ratingStr.indexOf(' ')
+                    if (index == -1 || index >= ratingStr.length) {
+                        gd.rating = 0f
+                    } else {
+                        gd.rating = NumberUtils.parseFloatSafely(ratingStr.substring(index + 1), 0f)
+                    }
+                }
+            } else {
+                gd.rating = -1.0f
+            }
+
+            // isFavorited
+            val gdf = gm.getElementById("gdf")
+            gd.isFavorited = false
+            if (gdf != null) {
+                val favoriteName = StringUtils.trim(gdf.text())
+                if (favoriteName == "Add to Favorites") {
+                    gd.favoriteName = null
+                } else {
+                    gd.isFavorited = true
+                    gd.favoriteName = StringUtils.trim(gdf.text())
+                    PATTERN_FAVORITE_SLOT.find(body)?.run {
+                        gd.favoriteSlot = ((groupValues[1].toIntOrNull() ?: 2) - 2) / 19
+                    }
+                }
+            }
+            if (gd.favoriteSlot == -2 && EhDB.containLocalFavorites(gd.gid)) {
+                gd.favoriteSlot = -1
+            }
+        } catch (e: Throwable) {
+            ExceptionUtils.throwIfFatal(e)
+            throw ParseException("Can't parse gallery detail", body)
+        }
+
+        // newer version
+        d.getElementById("gnd")?.run {
+            val dates = PATTERN_NEWER_DATE.findAll(body).map { it.groupValues[1] }.toList()
+            select("a").forEachIndexed { index, element ->
+                val gi = BaseGalleryInfo()
+                val result = GalleryDetailUrlParser.parse(element.attr("href"))
+                if (result != null) {
+                    gi.gid = result.gid
+                    gi.token = result.token
+                    gi.title = StringUtils.trim(element.text())
+                    gi.posted = dates[index]
+                    gd.newerVersions.add(gi)
+                }
+            }
+        }
+    }
+
+    private fun parseDetailInfo(gd: GalleryDetail, e: Element) {
+        val es = e.children()
+        if (es.size < 2) {
+            return
+        }
+        val key = StringUtils.trim(es[0].text())
+        val value = StringUtils.trim(es[1].ownText())
+        if (key.startsWith("Posted")) {
+            gd.posted = value
+        } else if (key.startsWith("Parent")) {
+            val a = es[1].children().first()
+            if (a != null) {
+                gd.parent = a.attr("href")
+            }
+        } else if (key.startsWith("Visible")) {
+            gd.visible = value
+        } else if (key.startsWith("Language")) {
+            gd.language = value
+        } else if (key.startsWith("File Size")) {
+            gd.size = value
+        } else if (key.startsWith("Length")) {
+            val index = value.indexOf(' ')
+            if (index >= 0) {
+                gd.pages = NumberUtils.parseIntSafely(value.substring(0, index), 1)
+            } else {
+                gd.pages = 1
+            }
+        } else if (key.startsWith("Favorited")) {
+            when (value) {
+                "Never" -> gd.favoriteCount = 0
+                "Once" -> gd.favoriteCount = 1
+                else -> {
+                    val index = value.indexOf(' ')
+                    if (index == -1) {
+                        gd.favoriteCount = 0
+                    } else {
+                        gd.favoriteCount = NumberUtils.parseIntSafely(value.substring(0, index), 0)
+                    }
+                }
+            }
+        }
+    }
+
+    private fun parseTagGroup(element: Element): GalleryTagGroup? {
+        return try {
+            val group = GalleryTagGroup()
+            var nameSpace = element.child(0).text()
+            // Remove last ':'
+            nameSpace = nameSpace.substring(0, nameSpace.length - 1)
+            group.groupName = nameSpace
+            val tags = element.child(1).children()
+            tags.forEach {
+                var tag = it.text()
+                // Sometimes parody tag is followed with '|' and english translate, just remove them
+                val index = tag.indexOf('|')
+                if (index >= 0) {
+                    tag = tag.substring(0, index).trim()
+                }
+                if (it.className() == "gtw") {
+                    tag = "_$tag"   // weak tag
+                }
+                group.add(tag)
+            }
+            if (group.size > 0) group else null
+        } catch (e: Throwable) {
+            ExceptionUtils.throwIfFatal(e)
+            e.printStackTrace()
+            null
+        }
+    }
+
+    /**
+     * Parse tag groups with html parser
+     */
+    private fun parseTagGroups(document: Document): Array<GalleryTagGroup> {
+        return try {
+            val taglist = document.getElementById("taglist")!!
+            val tagGroups = taglist.child(0).child(0).children()
+            parseTagGroups(tagGroups)
+        } catch (e: Throwable) {
+            ExceptionUtils.throwIfFatal(e)
+            e.printStackTrace()
+            EMPTY_GALLERY_TAG_GROUP_ARRAY
+        }
+    }
+
+    private fun parseTagGroups(trs: Elements): Array<GalleryTagGroup> {
+        return try {
+            trs.mapNotNull { parseTagGroup(it) }.toTypedArray()
+        } catch (e: Throwable) {
+            ExceptionUtils.throwIfFatal(e)
+            e.printStackTrace()
+            EMPTY_GALLERY_TAG_GROUP_ARRAY
+        }
+    }
+
+    private 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() }
+            // Editable, vote up and vote down
+            val c4 = JsoupUtils.getElementByClass(element, "c4")
+            if (null != c4) {
+                if ("Uploader Comment" == c4.text()) {
+                    comment.uploader = true
+                }
+                for (e in c4.children()) {
+                    when (e.text()) {
+                        "Vote+" -> {
+                            comment.voteUpAble = true
+                            comment.voteUpEd = StringUtils.trim(e.attr("style")).isNotEmpty()
+                        }
+
+                        "Vote-" -> {
+                            comment.voteDownAble = true
+                            comment.voteDownEd = StringUtils.trim(e.attr("style")).isNotEmpty()
+                        }
+
+                        "Edit" -> comment.editable = true
+                    }
+                }
+            }
+            // Vote state
+            val c7 = JsoupUtils.getElementByClass(element, "c7")
+            if (null != c7) {
+                comment.voteState = StringUtils.trim(c7.text())
+            }
+            // Score
+            val c5 = JsoupUtils.getElementByClass(element, "c5")
+            if (null != c5) {
+                val es = c5.children()
+                if (!es.isEmpty()) {
+                    comment.score = NumberUtils.parseIntSafely(
+                        StringUtils.trim(es[0].text()), 0
+                    )
+                }
+            }
+            // time
+            val c3 = JsoupUtils.getElementByClass(element, "c3")
+            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)
+            } else {
+                temp.substring("Posted on ".length)
+            }
+            comment.time = Instant.from(WEB_COMMENT_DATE_FORMAT.parse(time)).toEpochMilli()
+            // comment
+            val c6 = JsoupUtils.getElementByClass(element, "c6")
+            // fix underline support
+            for (e in c6!!.children()) {
+                if ("span" == e.tagName() && "text-decoration:underline;" == e.attr("style")) {
+                    e.tagName("u")
+                }
+            }
+            comment.comment = c6.html()
+            // filter comment
+            if (!comment.uploader) {
+                val sEhFilter = EhFilter
+                if (!sEhFilter.filterCommenter(comment.user) || !sEhFilter.filterComment(comment.comment)) {
+                    return null
+                }
+            }
+            // last edited
+            val c8 = JsoupUtils.getElementByClass(element, "c8")
+            if (c8 != null) {
+                val e = c8.children().first()
+                if (e != null) {
+                    comment.lastEdited =
+                        Instant.from(WEB_COMMENT_DATE_FORMAT.parse(e.text())).toEpochMilli()
+                }
+            }
+            comment
+        } catch (e: Throwable) {
+            ExceptionUtils.throwIfFatal(e)
+            e.printStackTrace()
+            null
+        }
+    }
+
+    /**
+     * Parse comments with html parser
+     */
+    fun parseComments(document: Document): GalleryCommentList {
+        return try {
+            val cdiv = document.getElementById("cdiv")!!
+            val c1s = cdiv.getElementsByClass("c1")
+            val list = c1s.mapNotNull { parseComment(it) }
+            val chd = cdiv.getElementById("chd")
+            var hasMore = false
+            NodeTraversor.traverse(object : NodeVisitor {
+                override fun head(node: Node, depth: Int) {
+                    if (node is Element && node.text() == "click to show all") {
+                        hasMore = true
+                    }
+                }
+
+                override fun tail(node: Node, depth: Int) {}
+            }, chd!!)
+            GalleryCommentList(list.toTypedArray(), hasMore)
+        } catch (e: Throwable) {
+            ExceptionUtils.throwIfFatal(e)
+            e.printStackTrace()
+            EMPTY_GALLERY_COMMENT_ARRAY
+        }
+    }
+
+    /**
+     * Parse preview pages with html parser
+     */
+    @Throws(ParseException::class)
+    fun parsePreviewPages(document: Document, body: String?): Int {
+        return try {
+            val ptt = document.getElementsByClass("ptt").first()!!
+            val elements = ptt.child(0).child(0).children()
+            elements[elements.size - 2].text().toInt()
+        } catch (e: Throwable) {
+            ExceptionUtils.throwIfFatal(e)
+            e.printStackTrace()
+            throw ParseException("Can't parse preview pages", body!!)
+        }
+    }
+
+    /**
+     * Parse preview pages with regular expressions
+     */
+    @JvmStatic
+    @Throws(ParseException::class)
+    fun parsePreviewPages(body: String): Int {
+        return PATTERN_PREVIEW_PAGES.find(body)?.groupValues?.get(1)?.toIntOrNull()
+            ?: throw ParseException("Parse preview page count error", body)
+    }
+
+    /**
+     * Parse pages with regular expressions
+     */
+    @JvmStatic
+    @Throws(ParseException::class)
+    fun parsePages(body: String): Int {
+        return PATTERN_PAGES.find(body)?.groupValues?.get(1)?.toIntOrNull()
+            ?: throw ParseException("Parse pages error", body)
+    }
+
+    @Throws(ParseException::class)
+    fun parsePreviewSet(d: Document, body: String): PreviewSet {
+        return try {
+            parseLargePreviewSet(d, body)
+        } catch (e: ParseException) {
+            parseNormalPreviewSet(body)
+        }
+    }
+
+    @JvmStatic
+    @Throws(ParseException::class)
+    fun parsePreviewSet(body: String): PreviewSet {
+        return try {
+            parseLargePreviewSet(body)
+        } catch (e: ParseException) {
+            parseNormalPreviewSet(body)
+        }
+    }
+
+    /**
+     * Parse large previews with regular expressions
+     */
+    @Throws(ParseException::class)
+    private fun parseLargePreviewSet(d: Document, body: String): LargePreviewSet {
+        return try {
+            val largePreviewSet = LargePreviewSet()
+            val gdt = d.getElementById("gdt")!!
+            val gdtls = gdt.getElementsByClass("gdtl")
+            val n = gdtls.size
+            if (n == 0) {
+                throw ParseException("Can't parse large preview", body)
+            }
+            for (i in 0 until n) {
+                var element = gdtls[i].child(0)
+                val pageUrl = element.attr("href")
+                element = element.child(0)
+                val imageUrl = element.attr("src")
+                val index = element.attr("alt").toInt() - 1
+                largePreviewSet.addItem(index, imageUrl, pageUrl)
+            }
+            largePreviewSet
+        } catch (e: Throwable) {
+            ExceptionUtils.throwIfFatal(e)
+            throw ParseException("Can't parse large preview", body)
+        }
+    }
+
+    /**
+     * Parse large previews with regular expressions
+     */
+    @Throws(ParseException::class)
+    private fun parseLargePreviewSet(body: String): LargePreviewSet {
+        val largePreviewSet = LargePreviewSet()
+        PATTERN_LARGE_PREVIEW.findAll(body).forEach {
+            val index = (it.groupValues[2].toIntOrNull() ?: return@forEach) - 1
+            val imageUrl = it.groupValues[3].trim()
+            val pageUrl = it.groupValues[1].trim()
+            largePreviewSet.addItem(index, imageUrl, pageUrl)
+        }
+        if (largePreviewSet.size() == 0) {
+            throw ParseException("Can't parse large preview", body)
+        }
+        return largePreviewSet
+    }
+
+    /**
+     * Parse normal previews with regular expressions
+     */
+    @Throws(ParseException::class)
+    private fun parseNormalPreviewSet(body: String): NormalPreviewSet {
+        val normalPreviewSet = NormalPreviewSet()
+        PATTERN_NORMAL_PREVIEW.findAll(body).forEach {
+            val position = (it.groupValues[6].toIntOrNull() ?: return@forEach) - 1
+            val imageUrl = it.groupValues[3].trim()
+            val xOffset = it.groupValues[4].toIntOrNull() ?: 0
+            val yOffset = 0
+            val width = it.groupValues[1].toIntOrNull() ?: return@forEach
+            val height = it.groupValues[2].toIntOrNull() ?: return@forEach
+            val pageUrl = it.groupValues[5].trim()
+            normalPreviewSet.addItem(position, imageUrl, xOffset, yOffset, width, height, pageUrl)
+        }
+        if (normalPreviewSet.size() == 0) {
+            throw ParseException("Can't parse normal preview", body)
+        }
+        return normalPreviewSet
+    }
+}

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

@@ -0,0 +1,44 @@
+package com.hippo.ehviewer.client.parser
+
+import com.hippo.ehviewer.client.exception.ParseException
+import org.jsoup.Jsoup
+
+object HomeParser {
+    private val PATTERN_FUNDS =
+        Regex("Available: ([\\d,]+) Credits.*Available: ([\\d,]+) kGP", RegexOption.DOT_MATCHES_ALL)
+    private const val RESET_SUCCEED = "Image limit was successfully reset."
+
+    fun parse(body: String): Limits {
+        Jsoup.parse(body).selectFirst("div.homebox")?.let {
+            val es = it.select("p > strong")
+            if (es.size == 3) {
+                val current = ParserUtils.parseInt(es[0].text(), 0)
+                val maximum = ParserUtils.parseInt(es[1].text(), 0)
+                val resetCost = ParserUtils.parseInt(es[2].text(), 0)
+                return Limits(current, maximum, resetCost)
+            }
+        }
+        throw ParseException("Parse image limits error", body)
+    }
+
+    fun parseResetLimits(body: String): Limits? {
+        return if (body.contains(RESET_SUCCEED)){
+            null
+        } else {
+            parse(body)
+        }
+    }
+
+    fun parseFunds(body: String): Funds {
+        PATTERN_FUNDS.find(body)?.groupValues?.run {
+            val fundsC = ParserUtils.parseInt(get(1), 0)
+            val fundsGP = ParserUtils.parseInt(get(2), 0) * 1000
+            return Funds(fundsGP, fundsC)
+        }
+        throw ParseException("Parse funds error", body)
+    }
+
+    data class Limits(val current: Int = 0, val maximum: Int, val resetCost: Int = 0)
+    data class Funds(val fundsGP: Int, val fundsC: Int)
+    class Result(val limits: Limits, val funds: Funds)
+}

app/src/main/java/com/hippo/ehviewer/coil/DiskCache.kt

@@ -0,0 +1,21 @@
+package com.hippo.ehviewer.coil
+
+import coil.disk.DiskCache
+
+inline fun DiskCache.edit(key: String, block: DiskCache.Editor.() -> Unit): Boolean {
+    val editor = edit(key) ?: return false
+    editor.runCatching {
+        block(this)
+    }.onFailure {
+        editor.abort()
+        throw it
+    }.onSuccess {
+        editor.commit()
+    }
+    return true
+}
+
+inline fun DiskCache.read(key: String, block: DiskCache.Snapshot.() -> Unit): Boolean {
+    (get(key) ?: return false).use { block(it) }
+    return true
+}

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

@@ -0,0 +1,78 @@
+package com.hippo.ehviewer.coil
+
+import coil.intercept.Interceptor
+import coil.request.ImageRequest
+import coil.request.ImageResult
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.SupervisorJob
+import kotlinx.coroutines.launch
+import kotlinx.coroutines.suspendCancellableCoroutine
+import kotlinx.coroutines.sync.Mutex
+import kotlinx.coroutines.sync.withLock
+import kotlinx.coroutines.withContext
+import kotlin.coroutines.Continuation
+import kotlin.coroutines.resume
+
+object MergeInterceptor : Interceptor {
+    private val pendingContinuationMap: HashMap<String, MutableList<Continuation<Unit>>> =
+        hashMapOf()
+    private val pendingContinuationMapLock = Mutex()
+    private val notifyScope = CoroutineScope(Dispatchers.IO + SupervisorJob())
+    override suspend fun intercept(chain: Interceptor.Chain): ImageResult {
+        val originRequest = chain.request
+        val originListener = originRequest.listener
+        val key = originRequest.data as String
+        val newRequest = ImageRequest.Builder(originRequest).listener(
+            {},
+            {}, // Only original request's onStart and onCancel will get called
+            { request, result ->
+                originListener?.onError(request, result)
+                // Wake all pending continuations since this request is to be failed
+                notifyScope.launch {
+                    pendingContinuationMapLock.withLock {
+                        pendingContinuationMap.remove(key)?.forEach { it.resume(Unit) }
+                    }
+                }
+            },
+            { request, result ->
+                originListener?.onSuccess(request, result)
+                // Wake all pending continuations shared with the same memory key since we have written it to memory cache
+                notifyScope.launch {
+                    pendingContinuationMapLock.withLock {
+                        pendingContinuationMap.remove(key)?.forEach { it.resume(Unit) }
+                    }
+                }
+            }
+        ).build()
+
+        pendingContinuationMapLock.lock()
+        val existPendingContinuations = pendingContinuationMap[key]
+        if (existPendingContinuations == null) {
+            pendingContinuationMap[key] = mutableListOf()
+            pendingContinuationMapLock.unlock()
+        } else {
+            existPendingContinuations.apply {
+                suspendCancellableCoroutine { continuation ->
+                    add(continuation)
+                    pendingContinuationMapLock.unlock()
+                    continuation.invokeOnCancellation { remove(continuation) }
+                }
+            }
+        }
+
+        return withContext(originRequest.interceptorDispatcher) { chain.proceed(newRequest) }
+    }
+
+    fun onCancel(key: String) {
+        notifyScope.launch {
+            pendingContinuationMapLock.withLock {
+                // Wake up a pending continuation to continue executing task
+                val successor =
+                    pendingContinuationMap[key]?.removeFirstOrNull()?.apply { resume(Unit) }
+                // If no successor, delete this entry from hashmap
+                successor ?: pendingContinuationMap.remove(key)
+            }
+        }
+    }
+}

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

@@ -0,0 +1,105 @@
+package com.hippo.ehviewer.dailycheck
+
+import android.annotation.SuppressLint
+import android.content.Context
+import android.text.Html
+import androidx.core.app.NotificationChannelCompat
+import androidx.core.app.NotificationCompat
+import androidx.core.app.NotificationManagerCompat
+import androidx.work.Constraints
+import androidx.work.CoroutineWorker
+import androidx.work.ExistingPeriodicWorkPolicy
+import androidx.work.NetworkType
+import androidx.work.PeriodicWorkRequest
+import androidx.work.PeriodicWorkRequestBuilder
+import androidx.work.WorkManager
+import androidx.work.WorkerParameters
+import com.hippo.ehviewer.EhApplication
+import com.hippo.ehviewer.R
+import com.hippo.ehviewer.Settings
+import com.hippo.ehviewer.client.EhEngine
+import eu.kanade.tachiyomi.util.lang.withIOContext
+import java.time.Duration
+import java.time.LocalDateTime
+
+private val signedIn
+    get() = EhApplication.ehCookieStore.hasSignedIn()
+
+private const val CHANNEL_ID = "DailyCheckNotification"
+
+class DailyCheckWork(val context: Context, workerParams: WorkerParameters) :
+    CoroutineWorker(context, workerParams) {
+    override suspend fun doWork(): Result = withIOContext {
+        runCatching {
+            if (signedIn) {
+                EhEngine.getNews(true)?.let { showEventPane(it) }
+            }
+        }.onFailure {
+            it.printStackTrace()
+            return@withIOContext Result.retry()
+        }
+        Result.success()
+    }
+
+    @SuppressLint("MissingPermission")
+    private fun showEventPane(html: String) {
+        if (Settings.getHideHvEvents() && html.contains("You have encountered a monster!")) {
+            return
+        }
+        val notificationManager = NotificationManagerCompat.from(context)
+        val chan = NotificationChannelCompat
+            .Builder(CHANNEL_ID, NotificationManagerCompat.IMPORTANCE_LOW)
+            .setName(CHANNEL_ID)
+            .build()
+        notificationManager.createNotificationChannel(chan)
+        val msg = NotificationCompat.Builder(context, CHANNEL_ID)
+            .setSmallIcon(R.drawable.ic_launcher_monochrome)
+            .setContentText(Html.fromHtml(html, Html.FROM_HTML_MODE_LEGACY))
+            .setStyle(NotificationCompat.BigTextStyle())
+            .build()
+        runCatching {
+            notificationManager.notify(1, msg)
+        }.onFailure {
+            it.printStackTrace()
+        }
+    }
+}
+
+val schedHour
+    get() = Settings.getInt(Settings.KEY_REQUEST_NEWS_TIMER_HOUR, -1).takeUnless { it == -1 }
+
+val schedMinute
+    get() = Settings.getInt(Settings.KEY_REQUEST_NEWS_TIMER_MINUTE, -1).takeUnless { it == -1 }
+
+private val whenToWork
+    get() = LocalDateTime.now()
+        .run { withHour(schedHour ?: hour) }
+        .run { withMinute(schedMinute ?: minute) }
+
+private val initialDelay
+    get() = Duration.between(LocalDateTime.now(), whenToWork)
+        .run { if (isNegative) plusDays(1) else this }
+
+private fun getDailyCheckWorkRequest(): PeriodicWorkRequest {
+    val constraints = Constraints.Builder()
+        .setRequiredNetworkType(NetworkType.CONNECTED)
+        .build()
+    return PeriodicWorkRequestBuilder<DailyCheckWork>(Duration.ofDays(1))
+        .setConstraints(constraints)
+        .setInitialDelay(initialDelay)
+        .build()
+}
+
+private const val workName = "DailyCheckWork"
+
+fun updateDailyCheckWork(context: Context) {
+    if (Settings.getRequestNews()) {
+        WorkManager.getInstance(context).enqueueUniquePeriodicWork(
+            workName,
+            ExistingPeriodicWorkPolicy.UPDATE,
+            getDailyCheckWorkRequest()
+        )
+    } else {
+        WorkManager.getInstance(context).cancelUniqueWork(workName)
+    }
+}

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

@@ -25,11 +25,11 @@ import android.os.IBinder
 import android.os.SystemClock
 import android.util.Log
 import androidx.annotation.IntDef
+import androidx.collection.LongSparseArray
 import androidx.core.app.ActivityCompat
 import androidx.core.app.NotificationChannelCompat
 import androidx.core.app.NotificationCompat
 import androidx.core.app.NotificationManagerCompat
-import com.hippo.ehviewer.EhApplication
 import com.hippo.ehviewer.R
 import com.hippo.ehviewer.client.EhUtils
 import com.hippo.ehviewer.client.data.GalleryInfo
@@ -37,11 +37,10 @@ import com.hippo.ehviewer.dao.DownloadInfo
 import com.hippo.ehviewer.ui.MainActivity
 import com.hippo.ehviewer.ui.scene.DownloadsScene
 import com.hippo.util.ReadableTime
+import com.hippo.util.getParcelableExtraCompat
 import com.hippo.yorozuya.FileUtils
 import com.hippo.yorozuya.SimpleHandler
 import com.hippo.yorozuya.collect.LongList
-import com.hippo.yorozuya.collect.SparseJBArray
-import com.hippo.yorozuya.collect.SparseJLArray
 
 class DownloadService : Service(), DownloadManager.DownloadListener {
     private var mNotifyManager: NotificationManagerCompat? = null
@@ -66,7 +65,7 @@ class DownloadService : Service(), DownloadManager.DownloadListener {
                 .setName(getString(R.string.download_service))
                 .build()
         )
-        mDownloadManager = EhApplication.downloadManager
+        mDownloadManager = DownloadManager
         mDownloadManager!!.setDownloadListener(this)
         ensureDownloadingBuilder()
         mDownloadingBuilder!!.setContentTitle(getString(R.string.download_service))
@@ -99,13 +98,13 @@ class DownloadService : Service(), DownloadManager.DownloadListener {
             action = intent.action
         }
         if (ACTION_START == action) {
-            val gi = intent!!.getParcelableExtra<GalleryInfo>(KEY_GALLERY_INFO)
+            val gi = intent!!.getParcelableExtraCompat<GalleryInfo>(KEY_GALLERY_INFO)
             val label = intent.getStringExtra(KEY_LABEL)
             if (gi != null && mDownloadManager != null) {
                 mDownloadManager!!.startDownload(gi, label)
             }
         } else if (ACTION_START_RANGE == action) {
-            val gidList = intent!!.getParcelableExtra<LongList>(KEY_GID_LIST)
+            val gidList = intent!!.getParcelableExtraCompat<LongList>(KEY_GID_LIST)
             if (gidList != null && mDownloadManager != null) {
                 mDownloadManager!!.startRangeDownload(gidList)
             }
@@ -123,7 +122,7 @@ class DownloadService : Service(), DownloadManager.DownloadListener {
                 mDownloadManager!!.stopCurrentDownload()
             }
         } else if (ACTION_STOP_RANGE == action) {
-            val gidList = intent!!.getParcelableExtra<LongList>(KEY_GID_LIST)
+            val gidList = intent!!.getParcelableExtraCompat<LongList>(KEY_GID_LIST)
             if (gidList != null && mDownloadManager != null) {
                 mDownloadManager!!.stopRangeDownload(gidList)
             }
@@ -137,7 +136,7 @@ class DownloadService : Service(), DownloadManager.DownloadListener {
                 mDownloadManager!!.deleteDownload(gid)
             }
         } else if (ACTION_DELETE_RANGE == action) {
-            val gidList = intent!!.getParcelableExtra<LongList>(KEY_GID_LIST)
+            val gidList = intent!!.getParcelableExtraCompat<LongList>(KEY_GID_LIST)
             if (gidList != null && mDownloadManager != null) {
                 mDownloadManager!!.deleteRangeDownload(gidList)
             }
@@ -533,8 +532,8 @@ class DownloadService : Service(), DownloadManager.DownloadListener {
         private const val ID_DOWNLOADING = 1
         private const val ID_DOWNLOADED = 2
         private const val ID_509 = 3
-        private val sItemStateArray = SparseJBArray()
-        private val sItemTitleArray = SparseJLArray<String>()
+        private val sItemStateArray = LongSparseArray<Boolean>()
+        private val sItemTitleArray = LongSparseArray<String>()
         private var sFailedCount = 0
         private var sFinishedCount = 0
         private var sDownloadedCount = 0

app/src/main/java/com/hippo/ehviewer/gallery/ArchivePageLoader.java

@@ -1,351 +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.gallery;
-
-import android.content.Context;
-import android.net.Uri;
-import android.os.Handler;
-import android.os.Process;
-
-import androidx.annotation.NonNull;
-import androidx.annotation.Nullable;
-
-import com.hippo.Native;
-import com.hippo.UriArchiveAccessor;
-import com.hippo.ehviewer.GetText;
-import com.hippo.ehviewer.R;
-import com.hippo.ehviewer.Settings;
-import com.hippo.image.Image;
-import com.hippo.unifile.UniFile;
-import com.hippo.yorozuya.FileUtils;
-import com.hippo.yorozuya.thread.PVLock;
-import com.hippo.yorozuya.thread.PriorityThread;
-
-import java.io.FileOutputStream;
-import java.io.IOException;
-import java.util.Iterator;
-import java.util.LinkedHashMap;
-import java.util.List;
-import java.util.Map;
-import java.util.Set;
-import java.util.Stack;
-import java.util.concurrent.atomic.AtomicInteger;
-
-import eu.kanade.tachiyomi.ui.reader.loader.PageLoader;
-
-public class ArchivePageLoader extends PageLoader2 {
-    private static final AtomicInteger sIdGenerator = new AtomicInteger();
-    public static Handler showPasswd;
-    public static String passwd;
-    public static PVLock pv = new PVLock(0);
-    private final UriArchiveAccessor archiveAccessor;
-    private final Stack<Integer> requests = new Stack<>();
-    private final LinkedHashMap<Integer, Image.ByteBufferSource> streams = new LinkedHashMap<>();
-    private final Thread[] decodeThread = new Thread[]{
-            new Thread(new DecodeTask()),
-            new Thread(new DecodeTask()),
-            new Thread(new DecodeTask()),
-            new Thread(new DecodeTask())
-    };
-    private Thread archiveThread;
-    private volatile int size = PageLoader.STATE_WAIT;
-    private String error;
-
-    public ArchivePageLoader(Context context, Uri uri) {
-        UriArchiveAccessor archiveAccessor1;
-        try {
-            archiveAccessor1 = new UriArchiveAccessor(context, uri);
-        } catch (Exception e) {
-            archiveAccessor1 = null;
-            e.printStackTrace();
-        }
-        archiveAccessor = archiveAccessor1;
-    }
-
-    @Override
-    public void start() {
-        int id = sIdGenerator.incrementAndGet();
-
-        archiveThread = new PriorityThread(
-                new ArchiveHostTask(), "ArchiveTask" + '-' + id, Process.THREAD_PRIORITY_BACKGROUND);
-        archiveThread.start();
-        for (Thread i : decodeThread) {
-            i.start();
-        }
-    }
-
-    @Override
-    public void stop() {
-        super.stop();
-        if (archiveThread != null) {
-            archiveThread.interrupt();
-            archiveThread = null;
-        }
-        for (Thread i : decodeThread) {
-            i.interrupt();
-        }
-        try {
-            archiveAccessor.close();
-        } catch (Exception e) {
-            e.printStackTrace();
-        }
-    }
-
-    @Override
-    public int size() {
-        return size;
-    }
-
-    @Override
-    protected void onRequest(int index) {
-        boolean inDecodeTask;
-        synchronized (streams) {
-            inDecodeTask = streams.containsKey(index);
-        }
-
-        synchronized (requests) {
-            boolean inArchiveTask = requests.contains(index);
-            if (!inArchiveTask && !inDecodeTask) {
-                requests.add(index);
-                requests.notify();
-            }
-        }
-        notifyPageWait(index);
-    }
-
-    @Override
-    protected void onForceRequest(int index) {
-        onRequest(index);
-    }
-
-    @Override
-    protected void onCancelRequest(int index) {
-        synchronized (requests) {
-            requests.remove(Integer.valueOf(index));
-        }
-    }
-
-    @Override
-    public String getError() {
-        return error;
-    }
-
-    @NonNull
-    @Override
-    public String getImageFilename(int index) {
-        return FileUtils.getNameFromFilename(getImageFilenameWithExtension(index));
-    }
-
-    @NonNull
-    @Override
-    public String getImageFilenameWithExtension(int index) {
-        return FileUtils.sanitizeFilename(archiveAccessor.getFilename(index));
-    }
-
-    @Override
-    public boolean save(int index, @NonNull UniFile file) {
-        int fd;
-        FileOutputStream stream;
-        try {
-            stream = (FileOutputStream) file.openOutputStream();
-            fd = Native.getFd(stream.getFD());
-        } catch (IOException e) {
-            e.printStackTrace();
-            return false;
-        }
-        archiveAccessor.extractToFd(index, fd);
-        try {
-            stream.close();
-        } catch (IOException e) {
-            e.printStackTrace();
-            return false;
-        }
-        return true;
-    }
-
-    @Nullable
-    @Override
-    public UniFile save(int index, @NonNull UniFile dir, @NonNull String filename) {
-        String extension = FileUtils.getExtensionFromFilename(getImageFilenameWithExtension(index));
-        UniFile dst = dir.subFile(null != extension ? filename + "." + extension : filename);
-        save(index, dst);
-        return dst;
-    }
-
-    @Override
-    protected void preloadPages(@NonNull List<Integer> pages) {
-
-    }
-
-    private class ArchiveHostTask implements Runnable {
-        public final Thread[] archiveThreads = new Thread[]{
-                new Thread(new ArchiveTask()),
-                new Thread(new ArchiveTask()),
-                new Thread(new ArchiveTask()),
-                new Thread(new ArchiveTask())
-        };
-
-        private void waitPasswd() throws InterruptedException {
-            showPasswd.sendEmptyMessage(0);
-            pv.p();
-        }
-
-        private void notifyError() {
-            showPasswd.sendEmptyMessage(1);
-        }
-
-        private void notifyDismiss() {
-            showPasswd.sendEmptyMessage(2);
-        }
-
-        @Override
-        public void run() {
-            try {
-                size = archiveAccessor.open();
-            } catch (Exception e) {
-                e.printStackTrace();
-                size = 0;
-            }
-            if (size <= 0) {
-                size = PageLoader.STATE_ERROR;
-                error = GetText.getString(R.string.error_reading_failed);
-                notifyDataChanged();
-                return;
-            }
-            // Update size and notify changed
-            notifyDataChanged();
-
-            if (archiveAccessor.needPassword()) {
-                boolean need_request = true;
-                Set<String> set = Settings.getArchivePasswds();
-                if (set != null) {
-                    for (String passwd : set) {
-                        if (archiveAccessor.providePassword(passwd)) {
-                            need_request = false;
-                            break;
-                        }
-                    }
-                }
-                while (!Thread.currentThread().isInterrupted() && need_request) {
-                    try {
-                        waitPasswd();
-                    } catch (InterruptedException e) {
-                        e.printStackTrace();
-                        return;
-                    }
-                    if (!archiveAccessor.providePassword(passwd))
-                        notifyError();
-                    else {
-                        Settings.putPasswdToArchivePasswds(passwd);
-                        notifyDismiss();
-                        break;
-                    }
-                }
-            }
-            for (Thread i : archiveThreads) {
-                i.start();
-            }
-
-            Object o = new Object();
-            synchronized (o) {
-                try {
-                    o.wait();
-                } catch (InterruptedException e) {
-                    for (Thread i : archiveThreads) {
-                        i.interrupt();
-                    }
-                }
-            }
-        }
-    }
-
-    private class ArchiveTask implements Runnable {
-        @Override
-        public void run() {
-            while (!Thread.currentThread().isInterrupted()) {
-                int index;
-                synchronized (requests) {
-                    if (requests.isEmpty()) {
-                        try {
-                            requests.wait();
-                        } catch (InterruptedException e) {
-                            // Interrupted
-                            break;
-                        }
-                        continue;
-                    }
-                    index = requests.pop();
-                }
-
-                // Check index valid
-                if (index < 0 || index >= size) {
-                    notifyPageFailed(index);
-                    continue;
-                }
-
-                synchronized (streams) {
-                    if (streams.get(index) != null) {
-                        continue;
-                    }
-                }
-
-                Image.ByteBufferSource src = archiveAccessor.getImageSource(index);
-
-                synchronized (streams) {
-                    streams.put(index, src);
-                    streams.notify();
-                }
-            }
-        }
-    }
-
-    private class DecodeTask implements Runnable {
-        @Override
-        public void run() {
-            while (!Thread.currentThread().isInterrupted()) {
-                int index;
-                Image.ByteBufferSource src;
-                synchronized (streams) {
-                    if (streams.isEmpty()) {
-                        try {
-                            streams.wait();
-                        } catch (InterruptedException e) {
-                            break;
-                        }
-                        continue;
-                    }
-
-                    Iterator<Map.Entry<Integer, Image.ByteBufferSource>> iterator = streams.entrySet().iterator();
-                    Map.Entry<Integer, Image.ByteBufferSource> entry = iterator.next();
-                    iterator.remove();
-                    index = entry.getKey();
-                    src = entry.getValue();
-                }
-
-                Image image = null;
-                if (src != null) {
-                    image = Image.decode(src);
-                }
-                if (image != null) {
-                    notifyPageSucceed(index, image);
-                } else {
-                    notifyPageFailed(index);
-                }
-            }
-        }
-    }
-}

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

@@ -0,0 +1,168 @@
+/*
+ * Copyright 2023 Tarsin Norbin
+ *
+ * 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.gallery
+
+import android.content.Context
+import android.net.Uri
+import com.hippo.Native.getFd
+import com.hippo.UriArchiveAccessor
+import com.hippo.ehviewer.Settings
+import com.hippo.image.Image
+import com.hippo.unifile.UniFile
+import com.hippo.yorozuya.FileUtils
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.CoroutineStart
+import kotlinx.coroutines.Dispatchers
+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.Mutex
+import kotlinx.coroutines.sync.Semaphore
+import kotlinx.coroutines.sync.withLock
+import kotlinx.coroutines.sync.withPermit
+import java.io.FileOutputStream
+import java.io.IOException
+
+class ArchivePageLoader(context: Context, uri: Uri, passwdFlow: Flow<String>) : PageLoader2(),
+    CoroutineScope {
+    override val coroutineContext = Dispatchers.IO + Job()
+    private val archiveAccessor by lazy { UriArchiveAccessor(context, uri) }
+    private val hostJob = launch(start = CoroutineStart.LAZY) {
+        size = archiveAccessor.open()
+        if (size == 0) {
+            return@launch
+        }
+        archiveAccessor.run {
+            if (needPassword()) {
+                Settings.getArchivePasswds()?.forEach {
+                    if (providePassword(it)) return@launch
+                }
+                passwdFlow.collect {
+                    if (providePassword(it)) {
+                        Settings.putPasswdToArchivePasswds(it)
+                        currentCoroutineContext().cancel()
+                    }
+                }
+            }
+        }
+    }
+
+    override var size = 0
+        private set
+
+    override fun start() {
+        hostJob.start()
+    }
+
+    override fun stop() {
+        cancel()
+        archiveAccessor.close()
+        super.stop()
+    }
+
+    private val mJobMap = hashMapOf<Int, Job>()
+    private val mWorkerMutex by lazy { (0 until size).map { Mutex() } }
+    private val mSemaphore = Semaphore(4)
+
+    override fun onRequest(index: Int) {
+        synchronized(mJobMap) {
+            val current = mJobMap[index]
+            if (current?.isActive != true) {
+                mJobMap[index] = launch {
+                    mWorkerMutex[index].withLock {
+                        mSemaphore.withPermit {
+                            doRealWork(index)
+                        }
+                    }
+                }
+            }
+        }
+    }
+
+    private suspend fun doRealWork(index: Int) {
+        val src = archiveAccessor.getImageSource(index) ?: return
+        runCatching {
+            currentCoroutineContext().ensureActive()
+        }.onFailure {
+            src.close()
+            throw it
+        }
+        val image = Image.decode(src) ?: return notifyPageFailed(index, null)
+        runCatching {
+            currentCoroutineContext().ensureActive()
+        }.onFailure {
+            image.recycle()
+            throw it
+        }
+        notifyPageSucceed(index, image)
+    }
+
+    override fun onForceRequest(index: Int) {
+        onRequest(index)
+    }
+
+    override suspend fun awaitReady(): Boolean {
+        hostJob.join()
+        return size != 0
+    }
+
+    override val isReady: Boolean
+        get() = size != 0
+
+    override fun onCancelRequest(index: Int) {
+        mJobMap[index]?.cancel()
+    }
+
+    override fun getImageFilename(index: Int): String {
+        return FileUtils.getNameFromFilename(getImageFilenameWithExtension(index))
+    }
+
+    override fun getImageFilenameWithExtension(index: Int): String {
+        return FileUtils.sanitizeFilename(archiveAccessor.getFilename(index))
+    }
+
+    override fun save(index: Int, file: UniFile): Boolean {
+        val fd: Int
+        val stream: FileOutputStream
+        try {
+            stream = file.openOutputStream() as FileOutputStream
+            fd = getFd(stream.fd)
+        } catch (e: IOException) {
+            e.printStackTrace()
+            return false
+        }
+        archiveAccessor.extractToFd(index, fd)
+        try {
+            stream.close()
+        } catch (e: IOException) {
+            e.printStackTrace()
+            return false
+        }
+        return true
+    }
+
+    override fun save(index: Int, dir: UniFile, filename: String): UniFile {
+        val extension = FileUtils.getExtensionFromFilename(getImageFilenameWithExtension(index))
+        val dst = dir.subFile(if (null != extension) "$filename.$extension" else filename)
+        save(index, dst!!)
+        return dst
+    }
+
+    override fun preloadPages(pages: List<Int>, pair: Pair<Int, Int>) {}
+}

app/src/main/java/com/hippo/ehviewer/gallery/EhPageLoader.java

@@ -1,234 +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.gallery;
-
-import androidx.annotation.NonNull;
-import androidx.annotation.Nullable;
-
-import com.hippo.ehviewer.client.data.GalleryInfo;
-import com.hippo.ehviewer.spider.SpiderQueen;
-import com.hippo.image.Image;
-import com.hippo.unifile.UniFile;
-import com.hippo.yorozuya.SimpleHandler;
-
-import java.util.List;
-import java.util.Locale;
-
-import eu.kanade.tachiyomi.ui.reader.loader.PageLoader;
-
-public class EhPageLoader extends PageLoader2 implements SpiderQueen.OnSpiderListener {
-
-    private final GalleryInfo mGalleryInfo;
-    @Nullable
-    private SpiderQueen mSpiderQueen;
-
-    public EhPageLoader(GalleryInfo galleryInfo) {
-        mGalleryInfo = galleryInfo;
-    }
-
-    @Override
-    public void start() {
-        mSpiderQueen = SpiderQueen.obtainSpiderQueen(mGalleryInfo, SpiderQueen.MODE_READ);
-        mSpiderQueen.addOnSpiderListener(this);
-        if (mSpiderQueen.size() > 0)
-            notifyDataChanged();
-    }
-
-    @Override
-    public void stop() {
-        super.stop();
-        if (mSpiderQueen != null) {
-            mSpiderQueen.removeOnSpiderListener(this);
-            // Activity recreate may called, so wait 3000s
-            SimpleHandler.getInstance().postDelayed(new ReleaseTask(mSpiderQueen), 3000);
-            mSpiderQueen = null;
-        }
-    }
-
-    @Override
-    public int getStartPage() {
-        if (mSpiderQueen != null) {
-            return mSpiderQueen.getStartPage();
-        } else {
-            return super.getStartPage();
-        }
-    }
-
-    @NonNull
-    @Override
-    public String getImageFilename(int index) {
-        return String.format(Locale.US, "%d-%s-%08d", mGalleryInfo.getGid(), mGalleryInfo.getToken(), index + 1);
-    }
-
-    @NonNull
-    @Override
-    public String getImageFilenameWithExtension(int index) {
-        if (null != mSpiderQueen) {
-            String extension = mSpiderQueen.getExtension(index);
-            if (extension != null) {
-                return String.format(Locale.US, "%d-%s-%08d.%s", mGalleryInfo.getGid(), mGalleryInfo.getToken(), index + 1, extension);
-            }
-        }
-        return String.format(Locale.US, "%d-%s-%08d", mGalleryInfo.getGid(), mGalleryInfo.getToken(), index + 1);
-    }
-
-    @Override
-    public boolean save(int index, @NonNull UniFile file) {
-        if (null != mSpiderQueen) {
-            return mSpiderQueen.save(index, file);
-        } else {
-            return false;
-        }
-    }
-
-    @Nullable
-    @Override
-    public UniFile save(int index, @NonNull UniFile dir, @NonNull String filename) {
-        if (null != mSpiderQueen) {
-            return mSpiderQueen.save(index, dir, filename);
-        } else {
-            return null;
-        }
-    }
-
-    @Override
-    public void putStartPage(int page) {
-        if (mSpiderQueen != null) {
-            mSpiderQueen.putStartPage(page);
-        }
-    }
-
-    @Override
-    public int size() {
-        if (mSpiderQueen != null) {
-            return mSpiderQueen.size();
-        } else {
-            return PageLoader.STATE_ERROR;
-        }
-    }
-
-    @Override
-    protected void onRequest(int index) {
-        if (mSpiderQueen != null) {
-            Object object = mSpiderQueen.request(index, true);
-            if (object instanceof Float) {
-                notifyPagePercent(index, (Float) object);
-            } else if (object instanceof String) {
-                notifyPageFailed(index);
-            } else if (object == null) {
-                notifyPageWait(index);
-            }
-        }
-    }
-
-    @Override
-    protected void onForceRequest(int index) {
-        if (mSpiderQueen != null) {
-            Object object = mSpiderQueen.forceRequest(index);
-            if (object instanceof Float) {
-                notifyPagePercent(index, (Float) object);
-            } else if (object instanceof String) {
-                notifyPageFailed(index);
-            } else if (object == null) {
-                notifyPageWait(index);
-            }
-        }
-    }
-
-    @Override
-    protected void onCancelRequest(int index) {
-        if (mSpiderQueen != null) {
-            mSpiderQueen.cancelRequest(index);
-        }
-    }
-
-    @Override
-    public String getError() {
-        if (mSpiderQueen != null) {
-            return mSpiderQueen.getError();
-        } else {
-            return "Error"; // TODO
-        }
-    }
-
-    @Override
-    public void onGetPages(int pages) {
-        notifyDataChanged();
-    }
-
-    @Override
-    public void onGet509(int index) {
-        // TODO
-    }
-
-    @Override
-    public void onPageDownload(int index, long contentLength, long receivedSize, int bytesRead) {
-        if (contentLength > 0) {
-            notifyPagePercent(index, (float) receivedSize / contentLength);
-        }
-    }
-
-    @Override
-    public void onPageSuccess(int index, int finished, int downloaded, int total) {
-        if (mSpiderQueen != null) {
-            mSpiderQueen.request(index, false);
-        }
-    }
-
-    @Override
-    public void onPageFailure(int index, String error, int finished, int downloaded, int total) {
-        notifyPageFailed(index);
-    }
-
-    @Override
-    public void onFinish(int finished, int downloaded, int total) {
-    }
-
-    @Override
-    public void onGetImageSuccess(int index, Image image) {
-        notifyPageSucceed(index, image);
-    }
-
-    @Override
-    public void onGetImageFailure(int index, String error) {
-        notifyPageFailed(index);
-    }
-
-    @Override
-    protected void preloadPages(@NonNull List<Integer> pages) {
-        if (mSpiderQueen != null) {
-            mSpiderQueen.preloadPages(pages);
-        }
-    }
-
-    private static class ReleaseTask implements Runnable {
-
-        private SpiderQueen mSpiderQueen;
-
-        public ReleaseTask(SpiderQueen spiderQueen) {
-            mSpiderQueen = spiderQueen;
-        }
-
-        @Override
-        public void run() {
-            if (null != mSpiderQueen) {
-                SpiderQueen.releaseSpiderQueen(mSpiderQueen, SpiderQueen.MODE_READ);
-                mSpiderQueen = null;
-            }
-        }
-    }
-}

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

@@ -0,0 +1,155 @@
+/*
+ * 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.gallery
+
+import com.hippo.ehviewer.client.data.GalleryInfo
+import com.hippo.ehviewer.spider.SpiderQueen
+import com.hippo.ehviewer.spider.SpiderQueen.Companion.obtainSpiderQueen
+import com.hippo.ehviewer.spider.SpiderQueen.Companion.releaseSpiderQueen
+import com.hippo.ehviewer.spider.SpiderQueen.OnSpiderListener
+import com.hippo.image.Image
+import com.hippo.unifile.UniFile
+import com.hippo.yorozuya.SimpleHandler
+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)
+    }
+
+    override fun stop() {
+        super.stop()
+        mSpiderQueen.removeOnSpiderListener(this)
+        // Activity recreate may called, so wait 3000s
+        SimpleHandler.getInstance().postDelayed(ReleaseTask(mSpiderQueen), 3000)
+    }
+
+    override val startPage
+        get() = mSpiderQueen.startPage
+
+    override fun getImageFilename(index: Int): String {
+        return String.format(
+            Locale.US,
+            "%d-%s-%08d",
+            mGalleryInfo.gid,
+            mGalleryInfo.token,
+            index + 1
+        )
+    }
+
+    override fun getImageFilenameWithExtension(index: Int): String {
+        val extension = mSpiderQueen.getExtension(index)
+        if (extension != null) {
+            return String.format(
+                Locale.US,
+                "%d-%s-%08d.%s",
+                mGalleryInfo.gid,
+                mGalleryInfo.token,
+                index + 1,
+                extension
+            )
+        }
+        return String.format(
+            Locale.US,
+            "%d-%s-%08d",
+            mGalleryInfo.gid,
+            mGalleryInfo.token,
+            index + 1
+        )
+    }
+
+    override fun save(index: Int, file: UniFile): Boolean {
+        return mSpiderQueen.save(index, file)
+    }
+
+    override fun save(index: Int, dir: UniFile, filename: String): UniFile? {
+        return mSpiderQueen.save(index, dir, filename)
+    }
+
+    override fun putStartPage(page: Int) {
+        mSpiderQueen.putStartPage(page)
+    }
+
+    override val size: Int
+        get() = mSpiderQueen.size
+
+    override fun onRequest(index: Int) {
+        mSpiderQueen.request(index)
+    }
+
+    override fun onForceRequest(index: Int) {
+        mSpiderQueen.forceRequest(index)
+    }
+
+    override suspend fun awaitReady(): Boolean {
+        return mSpiderQueen.awaitReady()
+    }
+
+    override val isReady: Boolean
+        get() = mSpiderQueen.isReady
+
+    override fun onCancelRequest(index: Int) {
+        mSpiderQueen.cancelRequest(index)
+    }
+
+    override fun onGetPages(pages: Int) {}
+
+    override fun onGet509(index: Int) {}
+
+    override fun onPageDownload(
+        index: Int,
+        contentLength: Long,
+        receivedSize: Long,
+        bytesRead: Int
+    ) {
+        if (contentLength > 0) {
+            notifyPagePercent(index, receivedSize.toFloat() / contentLength)
+        }
+    }
+
+    override fun onPageSuccess(index: Int, finished: Int, downloaded: Int, total: Int) {}
+    override fun onPageFailure(
+        index: Int,
+        error: String?,
+        finished: Int,
+        downloaded: Int,
+        total: Int
+    ) {
+        notifyPageFailed(index, error)
+    }
+
+    override fun onFinish(finished: Int, downloaded: Int, total: Int) {}
+    override fun onGetImageSuccess(index: Int, image: Image?) {
+        notifyPageSucceed(index, image!!)
+    }
+
+    override fun onGetImageFailure(index: Int, error: String?) {
+        notifyPageFailed(index, error)
+    }
+
+    override fun preloadPages(pages: List<Int>, pair: Pair<Int, Int>) {
+        mSpiderQueen.preloadPages(pages, pair)
+    }
+
+    private class ReleaseTask(private var mSpiderQueen: SpiderQueen?) : Runnable {
+        override fun run() {
+            mSpiderQueen?.let { releaseSpiderQueen(it, SpiderQueen.MODE_READ) }
+            mSpiderQueen = null
+        }
+    }
+}

app/src/main/java/com/hippo/ehviewer/gallery/PageLoader2.java

@@ -1,62 +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.gallery;
-
-import androidx.annotation.NonNull;
-import androidx.annotation.Nullable;
-
-import com.hippo.unifile.UniFile;
-
-import eu.kanade.tachiyomi.ui.reader.loader.PageLoader;
-
-public abstract class PageLoader2 extends PageLoader {
-
-    // With dot
-    public static final String[] SUPPORT_IMAGE_EXTENSIONS = {
-            ".jpg", // Joint Photographic Experts Group
-            ".jpeg",
-            ".png", // Portable Network Graphics
-            ".gif", // Graphics Interchange Format
-    };
-
-    public int getStartPage() {
-        return 0;
-    }
-
-    public void putStartPage(int page) {
-    }
-
-    /**
-     * @return without extension
-     */
-    @NonNull
-    public abstract String getImageFilename(int index);
-
-    /**
-     * @return with extension
-     */
-    @NonNull
-    public abstract String getImageFilenameWithExtension(int index);
-
-    public abstract boolean save(int index, @NonNull UniFile file);
-
-    /**
-     * @param filename without extension
-     */
-    @Nullable
-    public abstract UniFile save(int index, @NonNull UniFile dir, @NonNull String filename);
-}

app/src/main/java/com/hippo/ehviewer/gallery/PageLoader2.kt

@@ -0,0 +1,48 @@
+/*
+ * 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.gallery
+
+import com.hippo.unifile.UniFile
+import eu.kanade.tachiyomi.ui.reader.loader.PageLoader
+
+abstract class PageLoader2 : PageLoader() {
+    open val startPage: Int
+        get() = 0
+
+    open fun putStartPage(page: Int) {}
+
+    /**
+     * @return without extension
+     */
+    abstract fun getImageFilename(index: Int): String
+
+    /**
+     * @return with extension
+     */
+    abstract fun getImageFilenameWithExtension(index: Int): String
+    abstract fun save(index: Int, file: UniFile): Boolean
+
+    /**
+     * @param filename without extension
+     */
+    abstract fun save(index: Int, dir: UniFile, filename: String): UniFile?
+}
+
+val SUPPORT_IMAGE_EXTENSIONS = arrayOf(
+    ".jpg",  // Joint Photographic Experts Group
+    ".png",  // Portable Network Graphics
+    ".gif"
+)

app/src/main/java/com/hippo/ehviewer/preference/AccountPreference.kt

@@ -53,15 +53,15 @@ class AccountPreference @JvmOverloads constructor(
         while (i < n) {
             val cookie = cookies[i]
             when (cookie.name) {
-                EhCookieStore.KEY_IPD_MEMBER_ID -> ipbMemberId = cookie.value
-                EhCookieStore.KEY_IPD_PASS_HASH -> ipbPassHash = cookie.value
+                EhCookieStore.KEY_IPB_MEMBER_ID -> ipbMemberId = cookie.value
+                EhCookieStore.KEY_IPB_PASS_HASH -> ipbPassHash = cookie.value
                 EhCookieStore.KEY_IGNEOUS -> igneous = cookie.value
             }
             i++
         }
         if (ipbMemberId != null || ipbPassHash != null || igneous != null) {
-            message = (EhCookieStore.KEY_IPD_MEMBER_ID + ": " + ipbMemberId + "<br>"
-                    + EhCookieStore.KEY_IPD_PASS_HASH + ": " + ipbPassHash + "<br>"
+            message = (EhCookieStore.KEY_IPB_MEMBER_ID + ": " + ipbMemberId + "<br>"
+                    + EhCookieStore.KEY_IPB_PASS_HASH + ": " + ipbPassHash + "<br>"
                     + EhCookieStore.KEY_IGNEOUS + ": " + igneous)
             setDialogMessage(
                 Html.fromHtml(

app/src/main/java/com/hippo/ehviewer/preference/CleanRedundancyPreference.java

@@ -1,118 +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.preference;
-
-import android.content.Context;
-import android.util.AttributeSet;
-
-import androidx.annotation.NonNull;
-
-import com.google.android.material.snackbar.Snackbar;
-import com.hippo.ehviewer.EhApplication;
-import com.hippo.ehviewer.R;
-import com.hippo.ehviewer.Settings;
-import com.hippo.ehviewer.download.DownloadManager;
-import com.hippo.unifile.UniFile;
-import com.hippo.yorozuya.NumberUtils;
-
-public class CleanRedundancyPreference extends TaskPreference {
-
-    public CleanRedundancyPreference(Context context) {
-        super(context);
-    }
-
-    public CleanRedundancyPreference(Context context, AttributeSet attrs) {
-        super(context, attrs);
-    }
-
-    public CleanRedundancyPreference(Context context, AttributeSet attrs, int defStyleAttr) {
-        super(context, attrs, defStyleAttr);
-    }
-
-    @NonNull
-    @Override
-    protected Task onCreateTask() {
-        return new ClearTask(getContext());
-    }
-
-    private static class ClearTask extends Task {
-
-        private final DownloadManager mManager;
-
-        public ClearTask(@NonNull Context context) {
-            super(context);
-            mManager = EhApplication.getDownloadManager();
-        }
-
-        // True for cleared
-        private boolean clearFile(UniFile file) {
-            String name = file.getName();
-            if (name == null) {
-                return false;
-            }
-            int index = name.indexOf('-');
-            if (index >= 0) {
-                name = name.substring(0, index);
-            }
-            long gid = NumberUtils.parseLongSafely(name, -1L);
-            if (-1L == gid) {
-                return false;
-            }
-            if (mManager.containDownloadInfo(gid)) {
-                return false;
-            }
-            file.delete();
-            return true;
-        }
-
-        @Override
-        protected Object doInBackground(Void... params) {
-            UniFile dir = Settings.getDownloadLocation();
-            if (null == dir) {
-                return 0;
-            }
-            UniFile[] files = dir.listFiles();
-            if (null == files) {
-                return 0;
-            }
-
-            int count = 0;
-            for (UniFile f : files) {
-                if (clearFile(f)) {
-                    ++count;
-                }
-            }
-
-            return count;
-        }
-
-        @Override
-        protected void onPostExecute(Object o) {
-            int count;
-            if (o instanceof Integer) {
-                count = (Integer) o;
-            } else {
-                count = 0;
-            }
-
-            showTip(0 == count ?
-                    mApplication.getString(R.string.settings_download_clean_redundancy_no_redundancy) :
-                    mApplication.getString(R.string.settings_download_clean_redundancy_done, count), Snackbar.LENGTH_SHORT);
-            super.onPostExecute(o);
-        }
-    }
-}

app/src/main/java/com/hippo/ehviewer/preference/CleanRedundancyPreference.kt

@@ -0,0 +1,74 @@
+/*
+ * 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.preference
+
+import android.content.Context
+import android.util.AttributeSet
+import com.hippo.ehviewer.download.DownloadManager as downloadManager
+import com.hippo.ehviewer.GetText
+import com.hippo.ehviewer.R
+import com.hippo.ehviewer.Settings
+import com.hippo.unifile.UniFile
+import eu.kanade.tachiyomi.util.lang.launchUI
+import eu.kanade.tachiyomi.util.lang.withUIContext
+import kotlinx.coroutines.Job
+import kotlinx.coroutines.launch
+
+private val NO_REDUNDANCY =
+    GetText.getString(R.string.settings_download_clean_redundancy_no_redundancy)
+private val CLEAR_REDUNDANCY_DONE =
+    { cnt: Int -> GetText.getString(R.string.settings_download_clean_redundancy_done, cnt) }
+private val FINAL_CLEAR_REDUNDANCY_MSG =
+    { cnt: Int -> if (cnt == 0) NO_REDUNDANCY else CLEAR_REDUNDANCY_DONE(cnt) }
+
+class CleanRedundancyPreference @JvmOverloads constructor(
+    context: Context, attrs: AttributeSet? = null
+) : TaskPreference(context, attrs) {
+    private fun clearFile(file: UniFile): Boolean {
+        var name = file.name ?: return false
+        val index = name.indexOf('-')
+        if (index >= 0) {
+            name = name.substring(0, index)
+        }
+        val gid = name.toLongOrNull() ?: return false
+        if (downloadManager.containDownloadInfo(gid)) {
+            return false
+        }
+        file.delete()
+        return true
+    }
+
+    private fun doRealWork(): Int {
+        return Settings.getDownloadLocation()?.listFiles()?.sumOf { clearFile(it).compareTo(false) } ?: 0
+    }
+
+    override fun launchJob() {
+        if (singletonJob?.isActive == true) singletonJob?.invokeOnCompletion {
+            launchUI {
+                dialog.dismiss()
+            }
+        }
+        else singletonJob = launch {
+            val cnt = doRealWork()
+            withUIContext {
+                showTip(FINAL_CLEAR_REDUNDANCY_MSG(cnt))
+                dialog.dismiss()
+            }
+        }
+    }
+}
+
+private var singletonJob: Job? = null

app/src/main/java/com/hippo/ehviewer/preference/ImageLimitsPreference.kt

@@ -0,0 +1,86 @@
+package com.hippo.ehviewer.preference
+
+import android.content.Context
+import android.content.DialogInterface
+import android.util.AttributeSet
+import android.view.View
+import android.widget.Button
+import androidx.appcompat.app.AlertDialog
+import androidx.lifecycle.lifecycleScope
+import com.hippo.ehviewer.R
+import com.hippo.ehviewer.ui.SettingsActivity
+import com.hippo.preference.DialogPreference
+import eu.kanade.tachiyomi.util.lang.launchIO
+import eu.kanade.tachiyomi.util.lang.withUIContext
+
+class ImageLimitsPreference(context: Context, attrs: AttributeSet) :
+    DialogPreference(context, attrs), View.OnClickListener {
+    private val mActivity = context as SettingsActivity
+    private val placeholder = context.getString(R.string.please_wait)
+    private lateinit var resetButton: Button
+    private lateinit var mDialog: AlertDialog
+
+    init {
+        updateSummary()
+    }
+
+    override fun onPrepareDialogBuilder(builder: AlertDialog.Builder) {
+        super.onPrepareDialogBuilder(builder)
+        builder.setMessage(placeholder)
+    }
+
+    override fun onDialogCreated(dialog: AlertDialog) {
+        super.onDialogCreated(dialog)
+        mDialog = dialog
+        resetButton = dialog.getButton(DialogInterface.BUTTON_POSITIVE)
+        resetButton.setOnClickListener(this)
+        resetButton.isEnabled = false
+        launchIOCatching {
+            mActivity.getImageLimits()
+        }
+    }
+
+    override fun onDialogClosed(positiveResult: Boolean) {
+        super.onDialogClosed(positiveResult)
+        updateSummary()
+    }
+
+    private fun updateSummary() {
+        summary = mActivity.mLimits?.run {
+            mActivity.getString(R.string.image_limits_summary, current, maximum)
+        } ?: mActivity.getString(R.string.image_limits_summary, 0, 0)
+    }
+
+    private fun launchIOCatching(block: suspend () -> Unit) = mActivity.lifecycleScope.launchIO {
+        runCatching {
+            block()
+        }.onFailure {
+            it.printStackTrace()
+            withUIContext {
+                mDialog.setMessage(it.message)
+            }
+        }.onSuccess {
+            withUIContext {
+                bind()
+            }
+        }
+    }
+
+    private fun bind() {
+        val (current, maximum, resetCost) = mActivity.mLimits!!
+        val (fundsGP, fundsC) = mActivity.mFunds!!
+        val cost = if (fundsGP >= resetCost) "$resetCost GP" else "$resetCost Credits"
+        val message = mActivity.getString(R.string.current_limits, "$current / $maximum", cost) +
+                "\n" + mActivity.getString(R.string.current_funds, "$fundsGP+", fundsC)
+        mDialog.setMessage(message)
+        resetButton.isEnabled = resetCost in 1..maxOf(fundsGP, fundsC)
+    }
+
+    override fun onClick(v: View) {
+        resetButton.isEnabled = false
+        mDialog.setMessage(placeholder)
+        launchIOCatching {
+            mActivity.resetImageLimits()
+        }
+    }
+}

app/src/main/java/com/hippo/ehviewer/preference/RestoreDownloadPreference.kt

@@ -15,151 +15,111 @@
  */
 package com.hippo.ehviewer.preference
 
-import android.app.Activity
 import android.content.Context
 import android.util.AttributeSet
-import androidx.preference.Preference
-import com.hippo.ehviewer.EhApplication.Companion.downloadManager
+import com.hippo.ehviewer.download.DownloadManager as downloadManager
 import com.hippo.ehviewer.EhDB
+import com.hippo.ehviewer.GetText
 import com.hippo.ehviewer.R
 import com.hippo.ehviewer.Settings
 import com.hippo.ehviewer.client.EhEngine.fillGalleryListByApi
 import com.hippo.ehviewer.client.EhUrl
 import com.hippo.ehviewer.client.data.BaseGalleryInfo
+import com.hippo.ehviewer.client.data.GalleryInfo
 import com.hippo.ehviewer.download.DownloadManager
-import com.hippo.ehviewer.spider.SpiderInfo
 import com.hippo.ehviewer.spider.SpiderQueen
-import com.hippo.ehviewer.ui.scene.BaseScene
+import com.hippo.ehviewer.spider.readCompatFromUniFile
 import com.hippo.unifile.UniFile
-import com.hippo.util.ExceptionUtils
-import com.hippo.yorozuya.IOUtils
-import kotlinx.coroutines.runBlocking
-import java.io.IOException
-import java.io.InputStream
-import java.util.Collections
+import eu.kanade.tachiyomi.util.lang.launchUI
+import eu.kanade.tachiyomi.util.lang.withUIContext
+import kotlinx.coroutines.Job
+import kotlinx.coroutines.launch
+import moe.tarsin.coroutines.runSuspendCatching
 
-class RestoreDownloadPreference constructor(
-    context: Context, attrs: AttributeSet?
+private val RESTORE_NOT_FOUND = GetText.getString(R.string.settings_download_restore_not_found)
+private val RESTORE_FAILED = GetText.getString(R.string.settings_download_restore_failed)
+private val RESTORE_COUNT_MSG =
+    { cnt: Int -> if (cnt == 0) RESTORE_NOT_FOUND else GetText.getString(R.string.settings_download_restore_successfully, cnt) }
+
+class RestoreDownloadPreference @JvmOverloads constructor(
+    context: Context, attrs: AttributeSet? = null
 ) : TaskPreference(context, attrs) {
-    override fun onCreateTask(): Task {
-        return RestoreTask(context)
-    }
-
-    private class RestoreTask(context: Context) : Task(context) {
-        private val mManager: DownloadManager = downloadManager
-        private var restoreDirCount = 0
-        private fun getRestoreItem(file: UniFile?): RestoreItem? {
-            if (null == file || !file.isDirectory) {
+    private val mManager: DownloadManager = downloadManager
+    private var restoreDirCount = 0
+    private fun getRestoreItem(file: UniFile?): RestoreItem? {
+        if (null == file || !file.isDirectory) return null
+        val siFile = file.findFile(SpiderQueen.SPIDER_INFO_FILENAME) ?: return null
+        return runCatching {
+            val spiderInfo = readCompatFromUniFile(siFile) ?: return null
+            var gid = spiderInfo.gid
+            var dirname = file.name
+            if (mManager.containDownloadInfo(gid)) {
+                // Restore download dir to avoid redownload
+                val dbdirname = EhDB.getDownloadDirname(gid)
+                if (null == dbdirname || dirname != dbdirname) {
+                    EhDB.putDownloadDirname(gid, dirname)
+                    restoreDirCount++
+                }
                 return null
             }
-            val siFile = file.findFile(SpiderQueen.SPIDER_INFO_FILENAME) ?: return null
-            var `is`: InputStream? = null
-            return try {
-                `is` = siFile.openInputStream()
-                val spiderInfo = SpiderInfo.read(`is`) ?: return null
-                val gid = spiderInfo.gid
-                val dirname = file.name
-                if (mManager.containDownloadInfo(gid)) {
-                    // Restore download dir to avoid redownload
-                    val dbdirname = EhDB.getDownloadDirname(gid)
-                    if (null == dbdirname || dirname != dbdirname) {
-                        EhDB.putDownloadDirname(gid, dirname)
-                        restoreDirCount++
-                    }
-                    return null
-                }
-                val token = spiderInfo.token
-                val restoreItem = RestoreItem()
-                restoreItem.gid = gid
-                restoreItem.token = token
-                restoreItem.dirname = dirname
-                restoreItem
-            } catch (e: IOException) {
-                null
-            } finally {
-                IOUtils.closeQuietly(`is`)
+            RestoreItem().apply {
+                gid = spiderInfo.gid
+                token = spiderInfo.token
+                dirname = file.name
             }
-        }
+        }.getOrNull()
+    }
 
-        override fun doInBackground(vararg params: Void): Any? {
-            val dir = Settings.getDownloadLocation() ?: return null
-            val restoreItemList: MutableList<RestoreItem> = ArrayList()
-            val files = dir.listFiles() ?: return null
-            for (file in files) {
-                val restoreItem = getRestoreItem(file)
-                if (null != restoreItem) {
-                    restoreItemList.add(restoreItem)
-                }
-            }
-            return if (0 == restoreItemList.size) {
-                Collections.EMPTY_LIST
-            } else try {
-                runBlocking {
-                    fillGalleryListByApi(
-                        ArrayList(restoreItemList),
-                        EhUrl.referer
-                    )
-                }
-            } catch (e: Throwable) {
-                ExceptionUtils.throwIfFatal(e)
-                e.printStackTrace()
-                null
-            }
-        }
-
-        override fun onPostExecute(o: Any) {
-            if (o !is List<*>) {
-                mActivity.showTip(R.string.settings_download_restore_failed, BaseScene.LENGTH_SHORT)
-            } else {
-                val list = o as List<RestoreItem>
-                if (list.isEmpty()) {
-                    mActivity.showTip(
-                        if (restoreDirCount == 0)
-                            mActivity.getString(R.string.settings_download_restore_not_found)
-                        else
-                            mActivity.getString(
-                                R.string.settings_download_restore_successfully,
-                                restoreDirCount
-                            ),
-                        BaseScene.LENGTH_SHORT
-                    )
-                } else {
-                    var count = 0
-                    var i = 0
-                    val n = list.size
-                    while (i < n) {
-                        val item = list[i]
-                        // Avoid failed gallery info
-                        if (null != item.title) {
-                            // Put to download
-                            mManager.addDownload(item, null)
-                            // Put download dir to DB
-                            EhDB.putDownloadDirname(item.gid, item.dirname)
-                            count++
-                        }
-                        i++
-                    }
-                    showTip(
-                        mActivity.getString(
-                            R.string.settings_download_restore_successfully,
-                            count + restoreDirCount
-                        ),
-                        BaseScene.LENGTH_SHORT
-                    )
-                    val preference: Preference? = preference
-                    if (null != preference) {
-                        val context = preference.context
-                        if (context is Activity) {
-                            context.setResult(Activity.RESULT_OK)
-                        }
-                    }
-                }
-            }
-            super.onPostExecute(o)
-        }
+    private suspend fun doRealWork(): List<GalleryInfo>? {
+        val dir = Settings.getDownloadLocation() ?: return null
+        val files = dir.listFiles() ?: return null
+        val restoreItemList = files.mapNotNull { getRestoreItem(it) }
+        return runSuspendCatching {
+            fillGalleryListByApi(restoreItemList, EhUrl.referer)
+        }.getOrNull()
     }
 
     private class RestoreItem : BaseGalleryInfo() {
         var dirname: String? = null
     }
-}
+
+    override fun launchJob() {
+        if (singletonJob?.isActive == true) singletonJob?.invokeOnCompletion {
+            launchUI {
+                dialog.dismiss()
+            }
+        }
+        else singletonJob = launch {
+            val result = doRealWork()
+            withUIContext {
+                if (result == null) {
+                    showTip(RESTORE_FAILED)
+                } else {
+                    if (result.isEmpty()) {
+                        showTip(RESTORE_COUNT_MSG(restoreDirCount))
+                    } else {
+                        var count = 0
+                        var i = 0
+                        val n = result.size
+                        while (i < n) {
+                            val item = result[i]
+                            // Avoid failed gallery info
+                            if (null != item.title) {
+                                // Put to download
+                                mManager.addDownload(item, null)
+                                // Put download dir to DB
+                                EhDB.putDownloadDirname(item.gid, (item as RestoreItem).dirname)
+                                count++
+                            }
+                            i++
+                        }
+                        showTip(RESTORE_COUNT_MSG(count + restoreDirCount))
+                    }
+                }
+                dialog.dismiss()
+            }
+        }
+    }
+}
+
+private var singletonJob: Job? = null

app/src/main/java/com/hippo/ehviewer/preference/SignInRequiredPreference.java

@@ -1,75 +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.preference;
-
-import android.annotation.SuppressLint;
-import android.content.Context;
-import android.util.AttributeSet;
-
-import androidx.preference.Preference;
-
-import com.hippo.ehviewer.EhApplication;
-import com.hippo.ehviewer.R;
-import com.hippo.ehviewer.client.EhCookieStore;
-import com.hippo.ehviewer.client.EhUrl;
-import com.hippo.ehviewer.ui.SettingsActivity;
-import com.hippo.ehviewer.ui.scene.BaseScene;
-
-import okhttp3.HttpUrl;
-
-public class SignInRequiredPreference extends Preference implements Preference.OnPreferenceClickListener {
-
-    @SuppressLint("StaticFieldLeak")
-    private SettingsActivity mActivity;
-
-    public SignInRequiredPreference(Context context) {
-        super(context);
-        init(context);
-    }
-
-    public SignInRequiredPreference(Context context, AttributeSet attrs) {
-        super(context, attrs);
-        init(context);
-    }
-
-    public SignInRequiredPreference(Context context, AttributeSet attrs, int defStyleAttr) {
-        super(context, attrs, defStyleAttr);
-        init(context);
-    }
-
-    private void init(Context context) {
-        mActivity = (SettingsActivity) context;
-        setOnPreferenceClickListener(this);
-    }
-
-    @Override
-    public boolean onPreferenceClick(Preference preference) {
-        EhCookieStore store = EhApplication.getEhCookieStore();
-        HttpUrl e = HttpUrl.get(EhUrl.HOST_E);
-        HttpUrl ex = HttpUrl.get(EhUrl.HOST_EX);
-
-        if (store.contains(e, EhCookieStore.KEY_IPD_MEMBER_ID) ||
-                store.contains(e, EhCookieStore.KEY_IPD_PASS_HASH) ||
-                store.contains(ex, EhCookieStore.KEY_IPD_MEMBER_ID) ||
-                store.contains(ex, EhCookieStore.KEY_IPD_PASS_HASH)) {
-            return false;
-        } else {
-            mActivity.showTip(R.string.error_please_login_first, BaseScene.LENGTH_SHORT);
-            return true;
-        }
-    }
-}

app/src/main/java/com/hippo/ehviewer/preference/TaskPreference.java

@@ -1,208 +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.preference;
-
-import android.annotation.SuppressLint;
-import android.app.Dialog;
-import android.content.Context;
-import android.os.AsyncTask;
-import android.os.Parcel;
-import android.os.Parcelable;
-import android.util.AttributeSet;
-import android.widget.Toast;
-
-import androidx.annotation.CallSuper;
-import androidx.annotation.NonNull;
-import androidx.annotation.Nullable;
-import androidx.annotation.StringRes;
-import androidx.appcompat.app.AlertDialog;
-import androidx.customview.view.AbsSavedState;
-
-import com.hippo.ehviewer.EhApplication;
-import com.hippo.ehviewer.R;
-import com.hippo.ehviewer.ui.SettingsActivity;
-import com.hippo.preference.DialogPreference;
-import com.hippo.util.IoThreadPoolExecutor;
-import com.hippo.yorozuya.IntIdGenerator;
-
-public abstract class TaskPreference extends DialogPreference {
-
-    private Task mTask;
-    private int mTaskId = IntIdGenerator.INVALID_ID;
-
-    public TaskPreference(Context context) {
-        super(context);
-    }
-
-    public TaskPreference(Context context, AttributeSet attrs) {
-        super(context, attrs);
-    }
-
-    public TaskPreference(Context context, AttributeSet attrs, int defStyleAttr) {
-        super(context, attrs, defStyleAttr);
-    }
-
-    @Override
-    protected void onPrepareDialogBuilder(AlertDialog.Builder builder) {
-        builder.setTitle(null);
-        builder.setView(R.layout.preference_dialog_task);
-        builder.setCancelable(false);
-    }
-
-    @Override
-    protected void onDialogCreated(AlertDialog dialog) {
-        if (null == mTask) {
-            mTask = onCreateTask();
-            mTask.setPreference(this);
-            mTaskId = ((EhApplication) getContext().getApplicationContext()).putGlobalStuff(mTask);
-            mTask.executeOnExecutor(IoThreadPoolExecutor.getInstance());
-        }
-    }
-
-    protected void onTaskEnd() {
-        // Dismiss dialog
-        Dialog dialog = getDialog();
-        try {
-            dialog.dismiss();
-        } catch (Exception e) {
-            e.printStackTrace();
-        }
-        // Clear async
-        mTask = null;
-        mTaskId = IntIdGenerator.INVALID_ID;
-    }
-
-    @NonNull
-    protected abstract Task onCreateTask();
-
-    @Override
-    protected Parcelable onSaveInstanceState() {
-        final Parcelable superState = super.onSaveInstanceState();
-        final SavedState myState = new SavedState(superState);
-        myState.asyncTaskId = mTaskId;
-        return myState;
-    }
-
-    @Override
-    protected void onRestoreInstanceState(Parcelable state) {
-        if (state == null || !state.getClass().equals(SavedState.class)) {
-            // Didn't save state for us in onSaveInstanceState
-            super.onRestoreInstanceState(state);
-            return;
-        }
-
-        SavedState myState = (SavedState) state;
-        mTaskId = myState.asyncTaskId;
-        if (IntIdGenerator.INVALID_ID != mTaskId) {
-            Object o = ((EhApplication) getContext().getApplicationContext()).getGlobalStuff(mTaskId);
-            if (o instanceof Task) {
-                mTask = (Task) o;
-                mTask.setPreference(this);
-            }
-        }
-        if (null == mTask) {
-            mTaskId = IntIdGenerator.INVALID_ID;
-        }
-
-        // TODO if not task, show not reopen dialog
-
-        super.onRestoreInstanceState(myState.getSuperState());
-    }
-
-    private static class SavedState extends AbsSavedState {
-        public static final Parcelable.Creator<SavedState> CREATOR =
-                new Parcelable.Creator<SavedState>() {
-                    @Override
-                    public SavedState createFromParcel(Parcel in) {
-                        return new SavedState(in);
-                    }
-
-                    @Override
-                    public SavedState[] newArray(int size) {
-                        return new SavedState[size];
-                    }
-                };
-        int asyncTaskId;
-
-        public SavedState(Parcel source) {
-            super(source, SavedState.class.getClassLoader());
-            asyncTaskId = source.readInt();
-        }
-
-        public SavedState(Parcelable superState) {
-            super(superState);
-        }
-
-        @Override
-        public void writeToParcel(Parcel dest, int flags) {
-            super.writeToParcel(dest, flags);
-            dest.writeInt(asyncTaskId);
-        }
-    }
-
-    public abstract static class Task extends AsyncTask<Void, Void, Object> {
-
-        protected final EhApplication mApplication;
-        @SuppressLint("StaticFieldLeak")
-        protected final SettingsActivity mActivity;
-        @Nullable
-        private TaskPreference mPreference;
-
-        public Task(@NonNull Context context) {
-            mActivity = (SettingsActivity) context;
-            mApplication = (EhApplication) context.getApplicationContext();
-        }
-
-        public EhApplication getApplication() {
-            return mApplication;
-        }
-
-        @Nullable
-        public TaskPreference getPreference() {
-            return mPreference;
-        }
-
-        public void setPreference(@Nullable TaskPreference preference) {
-            mPreference = preference;
-        }
-
-        @CallSuper
-        @Override
-        protected void onPostExecute(Object o) {
-            mApplication.removeGlobalStuff(this);
-            if (null != mPreference) {
-                mPreference.onTaskEnd();
-            }
-        }
-
-        protected void showTip(@StringRes int id, int length) {
-            try {
-                mActivity.showTip(id, length);
-            } catch (Exception e) {
-                Toast.makeText(mApplication, id, length).show();
-            }
-        }
-
-        protected void showTip(CharSequence message, int length) {
-            try {
-                mActivity.showTip(message, length);
-            } catch (Exception e) {
-                Toast.makeText(mApplication, message, length).show();
-            }
-        }
-    }
-}

app/src/main/java/com/hippo/ehviewer/preference/TaskPreference.kt

@@ -0,0 +1,53 @@
+/*
+ * 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.preference
+
+import android.content.Context
+import android.util.AttributeSet
+import androidx.appcompat.app.AlertDialog
+import com.google.android.material.snackbar.Snackbar
+import com.hippo.ehviewer.R
+import com.hippo.ehviewer.ui.SettingsActivity
+import com.hippo.preference.DialogPreference
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.Job
+
+abstract class TaskPreference @JvmOverloads constructor(
+    context: Context, attrs: AttributeSet? = null
+) : DialogPreference(context, attrs), CoroutineScope {
+    override val coroutineContext = Dispatchers.IO + Job()
+    protected lateinit var dialog: AlertDialog
+    override fun onPrepareDialogBuilder(builder: AlertDialog.Builder) {
+        builder.setTitle(null)
+        builder.setView(R.layout.preference_dialog_task)
+        builder.setCancelable(false)
+    }
+
+    abstract fun launchJob()
+
+    override fun onDialogCreated(dialog: AlertDialog) {
+        this.dialog = dialog
+        launchJob()
+    }
+
+    protected fun showTip(msg: String) {
+        (context as SettingsActivity).showTip(
+            msg,
+            Snackbar.LENGTH_SHORT
+        )
+    }
+}

app/src/main/java/com/hippo/ehviewer/preference/VersionPreference.kt

@@ -16,9 +16,9 @@
 package com.hippo.ehviewer.preference
 
 import android.content.Context
-import android.content.pm.PackageManager
 import android.util.AttributeSet
 import androidx.preference.Preference
+import com.hippo.ehviewer.BuildConfig
 import com.hippo.ehviewer.R
 
 class VersionPreference @JvmOverloads constructor(
@@ -26,13 +26,7 @@ class VersionPreference @JvmOverloads constructor(
 ) : Preference(context, attrs) {
     init {
         setTitle(R.string.settings_about_version)
-        @Suppress("DEPRECATION") val version: String = try {
-            val pInfo = context.packageManager.getPackageInfo(context.packageName, 0)
-            pInfo.versionName
-        } catch (e: PackageManager.NameNotFoundException) {
-            e.printStackTrace()
-            context.getString(R.string.error_unknown)
-        }
-        summary = version
+        summary = "${BuildConfig.VERSION_NAME} (${BuildConfig.COMMIT_SHA})\n" +
+                context.getString(R.string.settings_about_build_time, BuildConfig.BUILD_TIME)
     }
 }

app/src/main/java/com/hippo/ehviewer/spider/SpiderDen.java

@@ -1,483 +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.spider;
-
-import android.content.Context;
-
-import androidx.annotation.NonNull;
-import androidx.annotation.Nullable;
-
-import com.hippo.Native;
-import com.hippo.ehviewer.EhApplication;
-import com.hippo.ehviewer.EhDB;
-import com.hippo.ehviewer.Settings;
-import com.hippo.ehviewer.client.EhCacheKeyFactory;
-import com.hippo.ehviewer.client.EhUtils;
-import com.hippo.ehviewer.client.data.GalleryInfo;
-import com.hippo.ehviewer.gallery.PageLoader2;
-import com.hippo.image.Image;
-import com.hippo.io.UniFileInputStreamPipe;
-import com.hippo.io.UniFileOutputStreamPipe;
-import com.hippo.streampipe.InputStreamPipe;
-import com.hippo.streampipe.OutputStreamPipe;
-import com.hippo.unifile.RawFile;
-import com.hippo.unifile.UniFile;
-import com.hippo.yorozuya.FileUtils;
-import com.hippo.yorozuya.IOUtils;
-import com.hippo.yorozuya.MathUtils;
-import com.hippo.yorozuya.Utilities;
-
-import java.io.File;
-import java.io.FileInputStream;
-import java.io.FileOutputStream;
-import java.io.IOException;
-import java.io.InputStream;
-import java.io.OutputStream;
-import java.io.RandomAccessFile;
-import java.nio.ByteBuffer;
-import java.nio.channels.FileChannel;
-import java.util.Locale;
-
-import coil.disk.DiskCache;
-import okio.BufferedSource;
-import okio.Okio;
-
-public final class SpiderDen {
-
-    @Nullable
-    private static DiskCache sCache; // We use data to store image file, and metadata for image type
-    private final GalleryInfo mGalleryInfo;
-    private final long mGid;
-    @Nullable
-    private UniFile mDownloadDir;
-    private volatile int mMode = SpiderQueen.MODE_READ;
-
-    public SpiderDen(GalleryInfo galleryInfo) {
-        mGalleryInfo = galleryInfo;
-        mGid = galleryInfo.getGid();
-        mDownloadDir = getGalleryDownloadDir(galleryInfo.getGid());
-    }
-
-    public static void initialize(Context context) {
-        sCache = new DiskCache.Builder().directory(new File(context.getCacheDir(), "gallery_image"))
-                .maxSizeBytes((long) MathUtils.clamp(Settings.getReadCacheSize(), 40, 1280) * 1024 * 1024).build();
-    }
-
-    public static UniFile getGalleryDownloadDir(long gid) {
-        UniFile dir = Settings.getDownloadLocation();
-        // Read from DB
-        String dirname = EhDB.getDownloadDirname(gid);
-        if (dir != null && dirname != null) {
-            // Some dirname may be invalid in some version
-            dirname = FileUtils.sanitizeFilename(dirname);
-            EhDB.putDownloadDirname(gid, dirname);
-            return dir.subFile(dirname);
-        } else {
-            return null;
-        }
-    }
-
-    /**
-     * @param extension with dot
-     */
-    public static String generateImageFilename(int index, String extension) {
-        return String.format(Locale.US, "%08d%s", index + 1, extension);
-    }
-
-    @Nullable
-    private static UniFile findImageFile(UniFile dir, int index) {
-        for (String extension : PageLoader2.SUPPORT_IMAGE_EXTENSIONS) {
-            String filename = generateImageFilename(index, extension);
-            UniFile file = dir.findFile(filename);
-            if (file != null) {
-                return file;
-            }
-        }
-        return null;
-    }
-
-    public void setMode(@SpiderQueen.Mode int mode) {
-        mMode = mode;
-
-        if (mode == SpiderQueen.MODE_DOWNLOAD) {
-            ensureDownloadDir();
-        }
-    }
-
-    private boolean ensureDownloadDir() {
-        if (mDownloadDir == null) {
-            var dirname = FileUtils.sanitizeFilename(mGid + "-" + EhUtils.getSuitableTitle(mGalleryInfo));
-            EhDB.putDownloadDirname(mGid, dirname);
-            mDownloadDir = getGalleryDownloadDir(mGid);
-        }
-        return mDownloadDir != null && mDownloadDir.ensureDir();
-    }
-
-    public boolean isReady() {
-        return switch (mMode) {
-            case SpiderQueen.MODE_READ -> sCache != null;
-            case SpiderQueen.MODE_DOWNLOAD -> mDownloadDir != null && mDownloadDir.isDirectory();
-            default -> false;
-        };
-    }
-
-    @Nullable
-    public UniFile getDownloadDir() {
-        if (mDownloadDir == null) {
-            mDownloadDir = getGalleryDownloadDir(mGid);
-        }
-        return mDownloadDir != null && mDownloadDir.isDirectory() ? mDownloadDir : null;
-    }
-
-    private boolean containInCache(int index) {
-        if (sCache == null) {
-            return false;
-        }
-
-        String key = EhCacheKeyFactory.getImageKey(mGid, index);
-        var snapshot = sCache.get(key);
-        var exist = snapshot != null;
-        if (exist) snapshot.close();
-        return exist;
-    }
-
-    private boolean containInDownloadDir(int index) {
-        UniFile dir = getDownloadDir();
-        if (dir == null) {
-            return false;
-        }
-
-        // Find image file in download dir
-        return findImageFile(dir, index) != null;
-    }
-
-    /**
-     * @param extension with dot
-     */
-    private String fixExtension(String extension) {
-        if (Utilities.contain(PageLoader2.SUPPORT_IMAGE_EXTENSIONS, extension)) {
-            return extension;
-        } else {
-            return PageLoader2.SUPPORT_IMAGE_EXTENSIONS[0];
-        }
-    }
-
-    private boolean copyFromCacheToDownloadDir(int index) {
-        if (sCache == null) {
-            return false;
-        }
-        UniFile dir = getDownloadDir();
-        if (dir == null) {
-            return false;
-        }
-        // Find image file in cache
-        String key = EhCacheKeyFactory.getImageKey(mGid, index);
-        var snapshot = sCache.get(key);
-        if (snapshot == null) {
-            return false;
-        }
-
-        OutputStream os = null;
-        try (snapshot; FileInputStream is = new FileInputStream(snapshot.getData().toFile()); BufferedSource buf = Okio.buffer(Okio.source(snapshot.getMetadata().toFile()))) {
-            // Get extension
-            String extension = fixExtension("." + buf.readUtf8Line());
-            // Copy from cache to download dir
-            UniFile file = dir.createFile(generateImageFilename(index, extension));
-            if (file == null) {
-                return false;
-            }
-            os = file.openOutputStream();
-            IOUtils.copy(is, os);
-            return true;
-        } catch (IOException e) {
-            return false;
-        } finally {
-            IOUtils.closeQuietly(os);
-        }
-    }
-
-    public boolean contain(int index) {
-        if (mMode == SpiderQueen.MODE_READ) {
-            return containInCache(index) || containInDownloadDir(index);
-        } else if (mMode == SpiderQueen.MODE_DOWNLOAD) {
-            return containInDownloadDir(index) || copyFromCacheToDownloadDir(index);
-        } else {
-            return false;
-        }
-    }
-
-    private boolean removeFromCache(int index) {
-        if (sCache == null) {
-            return false;
-        }
-
-        String key = EhCacheKeyFactory.getImageKey(mGid, index);
-        return sCache.remove(key);
-    }
-
-    private boolean removeFromDownloadDir(int index) {
-        UniFile dir = getDownloadDir();
-        if (dir == null) {
-            return false;
-        }
-
-        boolean result = false;
-        for (int i = 0, n = PageLoader2.SUPPORT_IMAGE_EXTENSIONS.length; i < n; i++) {
-            String filename = generateImageFilename(index, PageLoader2.SUPPORT_IMAGE_EXTENSIONS[i]);
-            UniFile file = dir.subFile(filename);
-            if (file != null) {
-                result |= file.delete();
-            }
-        }
-        return result;
-    }
-
-    public boolean remove(int index) {
-        boolean result = removeFromCache(index);
-        result |= removeFromDownloadDir(index);
-        return result;
-    }
-
-    @Nullable
-    private OutputStreamPipe openCacheOutputStreamPipe(int index, @Nullable String extension) {
-        if (sCache == null) {
-            return null;
-        }
-
-        String key = EhCacheKeyFactory.getImageKey(mGid, index);
-        var editor = sCache.edit(key);
-        if (editor == null) return null;
-        try (var sink = Okio.buffer(Okio.sink(editor.getMetadata().toFile()))) {
-            sink.writeUtf8(extension);
-        } catch (IOException e) {
-            e.printStackTrace();
-        }
-        return new OutputStreamPipe() {
-            private OutputStream os = null;
-
-            @Override
-            public void release() {
-                editor.commit();
-            }
-
-            @NonNull
-            @Override
-            public OutputStream open() throws IOException {
-                if (os != null) IOUtils.closeQuietly(os);
-                os = new FileOutputStream(editor.getData().toFile());
-                return os;
-            }
-
-            @Override
-            public void close() {
-                if (os != null) IOUtils.closeQuietly(os);
-            }
-        };
-    }
-
-    /**
-     * @param extension without dot
-     */
-    @Nullable
-    private OutputStreamPipe openDownloadOutputStreamPipe(int index, @Nullable String extension) {
-        UniFile dir = getDownloadDir();
-        if (dir == null) {
-            return null;
-        }
-
-        extension = fixExtension('.' + extension);
-        UniFile file = dir.createFile(generateImageFilename(index, extension));
-        if (file != null) {
-            return new UniFileOutputStreamPipe(file);
-        } else {
-            return null;
-        }
-    }
-
-    @Nullable
-    public OutputStreamPipe openOutputStreamPipe(int index, @Nullable String extension) {
-        if (mMode == SpiderQueen.MODE_READ) {
-            // Return the download pipe is the gallery has been downloaded
-            OutputStreamPipe pipe = openDownloadOutputStreamPipe(index, extension);
-            if (pipe == null) {
-                pipe = openCacheOutputStreamPipe(index, extension);
-            }
-            return pipe;
-        } else if (mMode == SpiderQueen.MODE_DOWNLOAD) {
-            return openDownloadOutputStreamPipe(index, extension);
-        } else {
-            return null;
-        }
-    }
-
-    @Nullable
-    private InputStreamPipe openCacheInputStreamPipe(int index) {
-        if (sCache == null) {
-            return null;
-        }
-
-        String key = EhCacheKeyFactory.getImageKey(mGid, index);
-        var snapshot = sCache.get(key);
-        if (snapshot == null) return null;
-        return new InputStreamPipe() {
-            private InputStream is = null;
-
-            @Override
-            public void release() {
-                snapshot.close();
-            }
-
-            @NonNull
-            @Override
-            public InputStream open() throws IOException {
-                if (is != null) IOUtils.closeQuietly(is);
-                is = new FileInputStream(snapshot.getData().toFile());
-                return is;
-            }
-
-            @Override
-            public void close() {
-                if (is != null) IOUtils.closeQuietly(is);
-            }
-        };
-    }
-
-    @Nullable
-    public InputStreamPipe openDownloadInputStreamPipe(int index) {
-        UniFile dir = getDownloadDir();
-        if (dir == null) {
-            return null;
-        }
-
-        for (int i = 0; i < 2; i++) {
-            UniFile file = findImageFile(dir, index);
-            if (file != null) {
-                return new UniFileInputStreamPipe(file);
-            } else if (!copyFromCacheToDownloadDir(index)) {
-                return null;
-            }
-        }
-
-        return null;
-    }
-
-    @Nullable
-    public InputStreamPipe openInputStreamPipe(int index) {
-        if (mMode == SpiderQueen.MODE_READ) {
-            InputStreamPipe pipe = openCacheInputStreamPipe(index);
-            if (pipe == null) {
-                pipe = openDownloadInputStreamPipe(index);
-            }
-            return pipe;
-        } else if (mMode == SpiderQueen.MODE_DOWNLOAD) {
-            return openDownloadInputStreamPipe(index);
-        } else {
-            return null;
-        }
-    }
-
-    @Nullable
-    public Image.ByteBufferSource getImageSource(int index) {
-        if (mMode == SpiderQueen.MODE_READ) {
-            String key = EhCacheKeyFactory.getImageKey(mGid, index);
-            if (sCache != null) {
-                var snapshot = sCache.get(key);
-                if (snapshot != null) {
-                    try {
-                        var file = new RandomAccessFile(snapshot.getData().toFile(), "rw");
-                        var chan = file.getChannel();
-                        var map = chan.map(FileChannel.MapMode.PRIVATE, 0, file.length());
-                        return new Image.ByteBufferSource() {
-                            @NonNull
-                            @Override
-                            public ByteBuffer getByteBuffer() {
-                                return map;
-                            }
-
-                            @Override
-                            public void close() throws Exception {
-                                chan.close();
-                                file.close();
-                                snapshot.close();
-                            }
-                        };
-                    } catch (Throwable e) {
-                        e.printStackTrace();
-                    }
-                }
-            }
-        }
-        UniFile dir = getDownloadDir();
-        if (dir == null) {
-            return null;
-        }
-        UniFile file = findImageFile(dir, index);
-        if (file != null && mMode == SpiderQueen.MODE_DOWNLOAD) {
-            if (copyFromCacheToDownloadDir(index)) {
-                file = findImageFile(dir, index);
-            }
-        }
-        if (file instanceof RawFile rawFile) {
-            try {
-                var file2 = new RandomAccessFile(rawFile.mFile, "rw");
-                var chan = file2.getChannel();
-                var map = chan.map(FileChannel.MapMode.PRIVATE, 0, file2.length());
-                return new Image.ByteBufferSource() {
-                    @NonNull
-                    @Override
-                    public ByteBuffer getByteBuffer() {
-                        return map;
-                    }
-
-                    @Override
-                    public void close() throws Exception {
-                        chan.close();
-                        file2.close();
-                    }
-                };
-            } catch (Throwable e) {
-                e.printStackTrace();
-            }
-        }
-        if (file != null) {
-            try {
-                var pfd = EhApplication.getApplication().getContentResolver().openFileDescriptor(file.getUri(), "rw");
-                var map = Native.mapFd(pfd.getFd(), pfd.getStatSize());
-                if (map != null) {
-                    return new Image.ByteBufferSource() {
-                        @NonNull
-                        @Override
-                        public ByteBuffer getByteBuffer() {
-                            return map;
-                        }
-
-                        @Override
-                        public void close() throws Exception {
-                            Native.unmapDirectByteBuffer(map);
-                            pfd.close();
-                        }
-                    };
-                } else {
-                    pfd.close();
-                }
-            } catch (Throwable e) {
-                e.printStackTrace();
-            }
-        }
-        return null;
-    }
-}

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

@@ -0,0 +1,371 @@
+/*
+ * 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.spider
+
+import android.graphics.ImageDecoder
+import android.os.ParcelFileDescriptor
+import android.os.ParcelFileDescriptor.MODE_READ_WRITE
+import coil.decode.DecodeUtils
+import coil.decode.FrameDelayRewritingSource
+import coil.decode.isGif
+import coil.disk.DiskCache
+import com.hippo.copyTo
+import com.hippo.ehviewer.EhApplication
+import com.hippo.ehviewer.EhApplication.Companion.application
+import com.hippo.ehviewer.EhDB
+import com.hippo.ehviewer.Settings
+import com.hippo.ehviewer.client.EhCacheKeyFactory
+import com.hippo.ehviewer.client.EhRequestBuilder
+import com.hippo.ehviewer.client.EhUtils.getSuitableTitle
+import com.hippo.ehviewer.client.data.GalleryInfo
+import com.hippo.ehviewer.coil.edit
+import com.hippo.ehviewer.coil.read
+import com.hippo.ehviewer.gallery.SUPPORT_IMAGE_EXTENSIONS
+import com.hippo.image.Image.CloseableSource
+import com.hippo.unifile.RawFile
+import com.hippo.unifile.UniFile
+import com.hippo.yorozuya.FileUtils
+import com.hippo.yorozuya.MathUtils
+import kotlinx.coroutines.currentCoroutineContext
+import kotlinx.coroutines.ensureActive
+import moe.tarsin.coroutines.runSuspendCatching
+import okhttp3.executeAsync
+import okio.buffer
+import java.io.File
+import java.io.FileInputStream
+import java.io.FileOutputStream
+import java.io.IOException
+import java.nio.channels.FileChannel
+import java.util.Locale
+import kotlin.io.path.readText
+
+private val client = EhApplication.okHttpClient
+private val contentResolver = application.contentResolver
+
+class SpiderDen(private val mGalleryInfo: GalleryInfo) {
+    private val mGid: Long = mGalleryInfo.gid
+    private var mDownloadDir: UniFile? = getGalleryDownloadDir(mGid)
+
+    @Volatile
+    private var mMode = SpiderQueen.MODE_READ
+
+    fun setMode(@SpiderQueen.Mode mode: Int) {
+        mMode = mode
+        if (mode == SpiderQueen.MODE_DOWNLOAD) {
+            ensureDownloadDir()
+        }
+    }
+
+    private fun ensureDownloadDir(): Boolean {
+        mDownloadDir?.let { return it.ensureDir() }
+        val title = getSuitableTitle(mGalleryInfo)
+        val dirname = FileUtils.sanitizeFilename("$mGid-$title")
+        EhDB.putDownloadDirname(mGid, dirname)
+        mDownloadDir = getGalleryDownloadDir(mGid)
+        return mDownloadDir?.ensureDir() ?: false
+    }
+
+    val isReady: Boolean
+        get() = when (mMode) {
+            SpiderQueen.MODE_READ -> true
+            SpiderQueen.MODE_DOWNLOAD -> mDownloadDir?.isDirectory ?: false
+            else -> false
+        }
+    val downloadDir: UniFile?
+        get() {
+            if (mDownloadDir == null) {
+                mDownloadDir = getGalleryDownloadDir(mGid)
+            }
+            return mDownloadDir?.takeIf { it.isDirectory }
+        }
+
+    private fun containInCache(index: Int): Boolean {
+        val key = EhCacheKeyFactory.getImageKey(mGid, index)
+        return sCache[key]?.apply { close() } != null
+    }
+
+    private fun containInDownloadDir(index: Int): Boolean {
+        val dir = downloadDir ?: return false
+        return findImageFile(dir, index) != null
+    }
+
+    /**
+     * @param extension with dot
+     */
+    private fun fixExtension(extension: String): String {
+        return extension.takeIf { SUPPORT_IMAGE_EXTENSIONS.contains(it) }
+            ?: SUPPORT_IMAGE_EXTENSIONS[0]
+    }
+
+    private fun copyFromCacheToDownloadDir(index: Int): Boolean {
+        val dir = downloadDir ?: return false
+        val key = EhCacheKeyFactory.getImageKey(mGid, index)
+        return runCatching {
+            sCache.read(key) {
+                val extension = fixExtension("." + metadata.toFile().readText())
+                val file = dir.createFile(generateImageFilename(index, extension)) ?: return false
+                (file.openOutputStream() as FileOutputStream).use { outputStream ->
+                    ParcelFileDescriptor.open(data.toFile(), MODE_READ_WRITE).use {
+                        it copyTo outputStream.fd
+                    }
+                }
+            }
+        }.getOrElse {
+            it.printStackTrace()
+            false
+        }
+    }
+
+    operator fun contains(index: Int): Boolean {
+        return when (mMode) {
+            SpiderQueen.MODE_READ -> {
+                containInCache(index) || containInDownloadDir(index)
+            }
+
+            SpiderQueen.MODE_DOWNLOAD -> {
+                containInDownloadDir(index) || copyFromCacheToDownloadDir(index)
+            }
+
+            else -> {
+                false
+            }
+        }
+    }
+
+    private fun removeFromCache(index: Int): Boolean {
+        val key = EhCacheKeyFactory.getImageKey(mGid, index)
+        return sCache.remove(key)
+    }
+
+    private fun removeFromDownloadDir(index: Int): Boolean {
+        return downloadDir?.let { findImageFile(it, index)?.delete() } ?: false
+    }
+
+    fun remove(index: Int): Boolean {
+        return removeFromCache(index) or removeFromDownloadDir(index)
+    }
+
+    private fun findDownloadFileForIndex(index: Int, extension: String): UniFile? {
+        val dir = downloadDir ?: return null
+        val ext = fixExtension(".$extension")
+        return dir.createFile(generateImageFilename(index, ext))
+    }
+
+    @Throws(IOException::class)
+    suspend fun makeHttpCallAndSaveImage(
+        index: Int,
+        url: String,
+        referer: String?,
+        notifyProgress: (Long, Long, Int) -> Unit
+    ): Boolean {
+        val call = client.newCall(EhRequestBuilder(url, referer).build())
+        call.executeAsync().use { response ->
+            if (response.code >= 400) return false
+            val body = response.body
+            val extension = body.contentType()?.subtype ?: "jpg"
+            val length = body.contentLength()
+
+            suspend fun doSave(chan: FileChannel): Long {
+                var receivedSize: Long = 0
+                body.source().use { responseSource ->
+                    val source = if (DecodeUtils.isGif(responseSource)) FrameDelayRewritingSource(
+                        responseSource
+                    ).buffer() else responseSource
+                    source.use {
+                        while (true) {
+                            currentCoroutineContext().ensureActive()
+                            val bytesRead = chan.transferFrom(it, receivedSize, TRANSFER_BLOCK)
+                            receivedSize += bytesRead
+                            notifyProgress(body.contentLength(), receivedSize, bytesRead.toInt())
+                            if (bytesRead.toInt() == 0) break
+                        }
+                    }
+                }
+                return receivedSize
+            }
+
+            findDownloadFileForIndex(index, extension)?.runSuspendCatching {
+                openOutputStream().use { outputStream ->
+                    (outputStream as FileOutputStream).channel.use { return doSave(it) == length }
+                }
+            }?.onFailure {
+                it.printStackTrace()
+                return false
+            }
+
+            // Read Mode, allow save to cache
+            if (mMode == SpiderQueen.MODE_READ) {
+                val key = EhCacheKeyFactory.getImageKey(mGid, index)
+                var received: Long = 0
+                runSuspendCatching {
+                    sCache.edit(key) {
+                        metadata.toFile().writeText(extension)
+                        data.toFile().outputStream().use { outputStream ->
+                            outputStream.channel.use { received = doSave(it) }
+                        }
+                    }
+                }.onFailure {
+                    it.printStackTrace()
+                }.onSuccess {
+                    return received == length
+                }
+            }
+
+            return false
+        }
+    }
+
+    fun saveToUniFile(index: Int, file: UniFile): Boolean {
+        (file.openOutputStream() as FileOutputStream).use { outputStream ->
+            outputStream.channel.use { outChannel ->
+                val key = EhCacheKeyFactory.getImageKey(mGid, index)
+
+                fun copy(inputStream: FileInputStream) {
+                    inputStream.channel.use {
+                        outChannel.transferFrom(it, 0, it.size())
+                    }
+                }
+
+                // Read from diskCache first
+                sCache[key]?.use { snapshot ->
+                    runCatching {
+                        snapshot.data.toFile().inputStream().use { copy(it) }
+                    }.onSuccess {
+                        return true
+                    }.onFailure {
+                        it.printStackTrace()
+                        return false
+                    }
+                }
+
+                downloadDir?.let { uniFile ->
+                    runCatching {
+                        findImageFile(uniFile, index)?.openInputStream()?.use {
+                            copy(it as FileInputStream)
+                        }
+                    }.onFailure {
+                        it.printStackTrace()
+                        return false
+                    }.onSuccess {
+                        return true
+                    }
+                }
+                return false
+            }
+        }
+    }
+
+    fun checkPlainText(index: Int): Boolean {
+        return false
+    }
+
+    fun getExtension(index: Int): String? {
+        val key = EhCacheKeyFactory.getImageKey(mGid, index)
+        return sCache[key]?.use { it.metadata.toNioPath().readText() }
+            ?: downloadDir?.let { findImageFile(it, index) }
+                ?.name.let { FileUtils.getExtensionFromFilename(it) }
+    }
+
+    fun getImageSource(index: Int): CloseableSource? {
+        if (mMode == SpiderQueen.MODE_READ) {
+            val key = EhCacheKeyFactory.getImageKey(mGid, index)
+            val snapshot: DiskCache.Snapshot? = sCache[key]
+            if (snapshot != null) {
+                val source = ImageDecoder.createSource(snapshot.data.toFile())
+                return object : CloseableSource {
+                    override val source: ImageDecoder.Source
+                        get() = source
+
+                    override fun close() {
+                        snapshot.close()
+                    }
+                }
+            }
+        }
+        val dir = downloadDir ?: return null
+        var file = findImageFile(dir, index)
+        if (file != null && mMode == SpiderQueen.MODE_DOWNLOAD) {
+            if (copyFromCacheToDownloadDir(index)) {
+                file = findImageFile(dir, index)
+            }
+        }
+        if (file is RawFile) {
+            val source = ImageDecoder.createSource(file.mFile)
+            return object : CloseableSource {
+                override val source: ImageDecoder.Source
+                    get() = source
+
+                override fun close() {}
+            }
+        }
+        if (file != null) {
+            val source = ImageDecoder.createSource(contentResolver, file.uri)
+            return object : CloseableSource {
+                override val source: ImageDecoder.Source
+                    get() = source
+
+                override fun close() {}
+            }
+        }
+        return null
+    }
+
+    companion object {
+        private const val TRANSFER_BLOCK: Long = 8192
+
+        // We use data to store image file, and metadata for image type
+        private val sCache by lazy {
+            DiskCache.Builder().directory(File(application.cacheDir, "gallery_image"))
+                .maxSizeBytes(
+                    MathUtils.clamp(Settings.getReadCacheSize(), 40, 1280).toLong() * 1024 * 1024
+                ).build()
+        }
+
+        private val COMPAT_IMAGE_EXTENSIONS = SUPPORT_IMAGE_EXTENSIONS + ".jpeg"
+
+        fun getGalleryDownloadDir(gid: Long): UniFile? {
+            val dir = Settings.getDownloadLocation()
+            // Read from DB
+            var dirname = EhDB.getDownloadDirname(gid)
+            return if (dir != null && dirname != null) {
+                // Some dirname may be invalid in some version
+                dirname = FileUtils.sanitizeFilename(dirname)
+                EhDB.putDownloadDirname(gid, dirname)
+                dir.subFile(dirname)
+            } else {
+                null
+            }
+        }
+
+        /**
+         * @param extension with dot
+         */
+        fun generateImageFilename(index: Int, extension: String?): String {
+            return String.format(Locale.US, "%08d%s", index + 1, extension)
+        }
+
+        private fun findImageFile(dir: UniFile, index: Int): UniFile? {
+            for (extension in COMPAT_IMAGE_EXTENSIONS) {
+                val filename = generateImageFilename(index, extension)
+                val file = dir.findFile(filename)
+                if (file != null) {
+                    return file
+                }
+            }
+            return null
+        }
+    }
+}

app/src/main/java/com/hippo/ehviewer/spider/SpiderInfo.java

@@ -1,207 +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.spider;
-
-import android.text.TextUtils;
-import android.util.Log;
-import android.util.SparseArray;
-
-import androidx.annotation.NonNull;
-import androidx.annotation.Nullable;
-
-import com.hippo.unifile.UniFile;
-import com.hippo.yorozuya.IOUtils;
-import com.hippo.yorozuya.NumberUtils;
-
-import java.io.IOException;
-import java.io.InputStream;
-import java.io.OutputStream;
-import java.io.OutputStreamWriter;
-
-public class SpiderInfo {
-
-    static final String TOKEN_FAILED = "failed";
-    private static final String TAG = SpiderInfo.class.getSimpleName();
-    private static final String VERSION_STR = "VERSION";
-    private static final int VERSION = 2;
-    public int startPage = 0;
-    public long gid = -1;
-    public String token = null;
-    public int pages = -1;
-    public int previewPages = -1;
-    public int previewPerPage = -1;
-    public SparseArray<String> pTokenMap = null;
-
-    public static SpiderInfo read(@Nullable UniFile file) {
-        if (file == null) {
-            return null;
-        }
-
-        InputStream is = null;
-        try {
-            is = file.openInputStream();
-            return read(is);
-        } catch (IOException e) {
-            return null;
-        } finally {
-            IOUtils.closeQuietly(is);
-        }
-    }
-
-    private static int getStartPage(String str) {
-        if (null == str) {
-            return 0;
-        }
-
-        int startPage = 0;
-        for (int i = 0, n = str.length(); i < n; i++) {
-            startPage *= 16;
-            char ch = str.charAt(i);
-            if (ch >= '0' && ch <= '9') {
-                startPage += ch - '0';
-            } else if (ch >= 'a' && ch <= 'f') {
-                startPage += ch - 'a' + 10;
-            }
-        }
-
-        return Math.max(startPage, 0);
-    }
-
-    private static int getVersion(String str) {
-        if (null == str) {
-            return -1;
-        }
-        if (str.startsWith(VERSION_STR)) {
-            return NumberUtils.parseIntSafely(str.substring(VERSION_STR.length()), -1);
-        } else {
-            return 1;
-        }
-    }
-
-    @Nullable
-    @SuppressWarnings("InfiniteLoopStatement")
-    public static SpiderInfo read(@Nullable InputStream is) {
-        if (null == is) {
-            return null;
-        }
-
-        SpiderInfo spiderInfo = null;
-        try {
-            spiderInfo = new SpiderInfo();
-            // Get version
-            String line = IOUtils.readAsciiLine(is);
-            int version = getVersion(line);
-            if (version == VERSION) {
-                // Read next line
-                line = IOUtils.readAsciiLine(is);
-            } else if (version == 1) {
-                // pass
-            } else {
-                // Invalid version
-                return null;
-            }
-            // Start page
-            spiderInfo.startPage = getStartPage(line);
-            // Gid
-            spiderInfo.gid = Long.parseLong(IOUtils.readAsciiLine(is));
-            // Token
-            spiderInfo.token = IOUtils.readAsciiLine(is);
-            // Deprecated, mode, skip it
-            IOUtils.readAsciiLine(is);
-            // Preview pages
-            spiderInfo.previewPages = Integer.parseInt(IOUtils.readAsciiLine(is));
-            // Preview pre page
-            line = IOUtils.readAsciiLine(is);
-            if (version == 1) {
-                // Skip it
-            } else {
-                spiderInfo.previewPerPage = Integer.parseInt(line);
-            }
-            // Pages
-            spiderInfo.pages = Integer.parseInt(IOUtils.readAsciiLine(is));
-            // Check pages
-            if (spiderInfo.pages <= 0) {
-                return null;
-            }
-            // PToken
-            spiderInfo.pTokenMap = new SparseArray<>(spiderInfo.pages);
-            while (true) { // EOFException will raise
-                line = IOUtils.readAsciiLine(is);
-                int pos = line.indexOf(" ");
-                if (pos > 0) {
-                    int index = Integer.parseInt(line.substring(0, pos));
-                    String pToken = line.substring(pos + 1);
-                    if (!TextUtils.isEmpty(pToken)) {
-                        spiderInfo.pTokenMap.put(index, pToken);
-                    }
-                } else {
-                    Log.e(TAG, "Can't parse index and pToken, index = " + pos);
-                }
-            }
-        } catch (IOException | NumberFormatException e) {
-            // Ignore
-        }
-
-        if (spiderInfo == null || spiderInfo.gid == -1 || spiderInfo.token == null ||
-                spiderInfo.pages == -1 || spiderInfo.pTokenMap == null) {
-            return null;
-        } else {
-            return spiderInfo;
-        }
-    }
-
-    public void write(@NonNull OutputStream os) {
-        OutputStreamWriter writer = null;
-        try {
-            writer = new OutputStreamWriter(os);
-            writer.write(VERSION_STR);
-            writer.write(Integer.toString(VERSION));
-            writer.write("\n");
-            writer.write(String.format("%08x", Math.max(startPage, 0))); // Avoid negative
-            writer.write("\n");
-            writer.write(Long.toString(gid));
-            writer.write("\n");
-            writer.write(token);
-            writer.write("\n");
-            writer.write("1");
-            writer.write("\n");
-            writer.write(Integer.toString(previewPages));
-            writer.write("\n");
-            writer.write(Integer.toString(previewPerPage));
-            writer.write("\n");
-            writer.write(Integer.toString(pages));
-            writer.write("\n");
-            for (int i = 0; i < pTokenMap.size(); i++) {
-                Integer key = pTokenMap.keyAt(i);
-                String value = pTokenMap.valueAt(i);
-                if (TOKEN_FAILED.equals(value) || TextUtils.isEmpty(value)) {
-                    continue;
-                }
-                writer.write(Integer.toString(key));
-                writer.write(" ");
-                writer.write(value);
-                writer.write("\n");
-            }
-            writer.flush();
-        } catch (IOException e) {
-            // Ignore
-        } finally {
-            IOUtils.closeQuietly(writer);
-            IOUtils.closeQuietly(os);
-        }
-    }
-}

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

@@ -0,0 +1,75 @@
+package com.hippo.ehviewer.spider
+
+import coil.disk.DiskCache
+import com.hippo.compat.readLegacySpiderInfo
+import com.hippo.ehviewer.EhApplication
+import com.hippo.unifile.UniFile
+import kotlinx.serialization.Serializable
+import kotlinx.serialization.cbor.Cbor
+import kotlinx.serialization.decodeFromByteArray
+import kotlinx.serialization.encodeToByteArray
+import java.io.File
+
+@Serializable
+class SpiderInfo @JvmOverloads constructor(
+    val gid: Long,
+
+    val pages: Int,
+
+    val pTokenMap: MutableMap<Int, String> = hashMapOf(),
+
+    var startPage: Int = 0,
+
+    var token: String? = null,
+
+    var previewPages: Int = -1,
+
+    var previewPerPage: Int = -1
+)
+
+fun SpiderInfo.write(file: UniFile) {
+    file.openOutputStream().use {
+        it.write(Cbor.encodeToByteArray(this))
+    }
+}
+
+fun SpiderInfo.saveToCache() {
+    val entry = spiderInfoCache.edit(gid.toString()) ?: return
+    runCatching {
+        entry.data.toFile().writeBytes(Cbor.encodeToByteArray(this))
+    }.onFailure {
+        it.printStackTrace()
+        entry.abort()
+    }.onSuccess {
+        entry.commit()
+    }
+}
+
+private val spiderInfoCache by lazy {
+    DiskCache.Builder()
+        .directory(File(EhApplication.application.cacheDir, "spider_info_v2_1"))
+        .maxSizeBytes(20 * 1024 * 1024).build()
+}
+
+fun readFromCache(gid: Long): SpiderInfo? {
+    val snapshot = spiderInfoCache[gid.toString()] ?: return null
+    return runCatching {
+        snapshot.use {
+            return Cbor.decodeFromByteArray(it.data.toFile().readBytes())
+        }
+    }.onFailure {
+        it.printStackTrace()
+    }.getOrNull()
+}
+
+fun readCompatFromUniFile(file: UniFile): SpiderInfo? {
+    return runCatching {
+        file.openInputStream().use {
+            Cbor.decodeFromByteArray<SpiderInfo>(it.readBytes())
+        }
+    }.getOrNull() ?: runCatching {
+        file.openInputStream().use { readLegacySpiderInfo(it) }
+    }.getOrNull()
+}
+
+const val TOKEN_FAILED = "failed"

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

@@ -0,0 +1,830 @@
+/*
+ * Copyright 2016 Hippo Seven
+ * Rewrite with Kotlin coroutines, Tarsin Norbin 2023
+ *
+ * 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.spider
+
+import android.util.Log
+import androidx.annotation.IntDef
+import androidx.collection.LongSparseArray
+import androidx.collection.set
+import com.hippo.ehviewer.EhApplication.Companion.okHttpClient
+import com.hippo.ehviewer.GetText
+import com.hippo.ehviewer.R
+import com.hippo.ehviewer.Settings
+import com.hippo.ehviewer.client.EhEngine
+import com.hippo.ehviewer.client.EhRequestBuilder
+import com.hippo.ehviewer.client.EhUrl
+import com.hippo.ehviewer.client.EhUrl.getGalleryDetailUrl
+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.exception.ParseException
+import com.hippo.ehviewer.client.parser.GalleryDetailParser.parsePages
+import com.hippo.ehviewer.client.parser.GalleryDetailParser.parsePreviewPages
+import com.hippo.ehviewer.client.parser.GalleryDetailParser.parsePreviewSet
+import com.hippo.ehviewer.client.parser.GalleryMultiPageViewerPTokenParser
+import com.hippo.ehviewer.client.parser.GalleryPageUrlParser
+import com.hippo.image.Image
+import com.hippo.unifile.UniFile
+import com.hippo.util.ExceptionUtils
+import eu.kanade.tachiyomi.util.lang.launchIO
+import eu.kanade.tachiyomi.util.lang.launchNonCancellable
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.Job
+import kotlinx.coroutines.cancel
+import kotlinx.coroutines.currentCoroutineContext
+import kotlinx.coroutines.delay
+import kotlinx.coroutines.ensureActive
+import kotlinx.coroutines.launch
+import kotlinx.coroutines.sync.Mutex
+import kotlinx.coroutines.sync.Semaphore
+import kotlinx.coroutines.sync.withLock
+import kotlinx.coroutines.sync.withPermit
+import moe.tarsin.coroutines.runSuspendCatching
+import okhttp3.executeAsync
+import java.util.concurrent.ConcurrentHashMap
+import java.util.concurrent.atomic.AtomicInteger
+
+class SpiderQueen private constructor(val galleryInfo: GalleryInfo) : CoroutineScope {
+    override val coroutineContext = Dispatchers.IO + Job()
+
+    @Volatile
+    lateinit var mPageStateArray: IntArray
+    lateinit var mSpiderInfo: SpiderInfo
+
+    val mSpiderDen: SpiderDen = SpiderDen(galleryInfo)
+    val mPagePercentMap = ConcurrentHashMap<Int, Float>()
+    private val mPageStateLock = Any()
+    private val mDownloadedPages = AtomicInteger(0)
+    private val mFinishedPages = AtomicInteger(0)
+    private val mPageErrorMap = ConcurrentHashMap<Int, String>()
+    private val mSpiderListeners: MutableList<OnSpiderListener> = ArrayList()
+
+    private var mReadReference = 0
+    private var mDownloadReference = 0
+
+    fun addOnSpiderListener(listener: OnSpiderListener) {
+        synchronized(mSpiderListeners) { mSpiderListeners.add(listener) }
+    }
+
+    fun removeOnSpiderListener(listener: OnSpiderListener) {
+        synchronized(mSpiderListeners) { mSpiderListeners.remove(listener) }
+    }
+
+    private fun notifyGetPages(pages: Int) {
+        synchronized(mSpiderListeners) {
+            mSpiderListeners.forEach { it.onGetPages(pages) }
+        }
+    }
+
+    fun notifyGet509(index: Int) {
+        synchronized(mSpiderListeners) {
+            mSpiderListeners.forEach { it.onGet509(index) }
+        }
+    }
+
+    fun notifyPageDownload(index: Int, contentLength: Long, receivedSize: Long, bytesRead: Int) {
+        synchronized(mSpiderListeners) {
+            mSpiderListeners.forEach {
+                it.onPageDownload(
+                    index,
+                    contentLength,
+                    receivedSize,
+                    bytesRead
+                )
+            }
+        }
+    }
+
+    private fun notifyPageSuccess(index: Int) {
+        synchronized(mSpiderListeners) {
+            mSpiderListeners.forEach {
+                it.onPageSuccess(
+                    index,
+                    mFinishedPages.get(),
+                    mDownloadedPages.get(),
+                    mPageStateArray.size
+                )
+            }
+        }
+    }
+
+    private fun notifyPageFailure(index: Int, error: String?) {
+        synchronized(mSpiderListeners) {
+            mSpiderListeners.forEach {
+                it.onPageFailure(
+                    index,
+                    error,
+                    mFinishedPages.get(),
+                    mDownloadedPages.get(),
+                    mPageStateArray.size
+                )
+            }
+        }
+    }
+
+    private fun notifyAllPageDownloaded() {
+        synchronized(mSpiderListeners) {
+            mSpiderListeners.forEach {
+                it.onFinish(
+                    mFinishedPages.get(),
+                    mDownloadedPages.get(),
+                    mPageStateArray.size
+                )
+            }
+        }
+    }
+
+    fun notifyGetImageSuccess(index: Int, image: Image) {
+        synchronized(mSpiderListeners) {
+            mSpiderListeners.forEach {
+                it.onGetImageSuccess(index, image)
+            }
+        }
+    }
+
+    fun notifyGetImageFailure(index: Int, error: String) {
+        synchronized(mSpiderListeners) {
+            mSpiderListeners.forEach {
+                it.onGetImageFailure(index, error)
+            }
+        }
+    }
+
+    private var downloadMode = false
+    val isReady
+        get() = this::mSpiderInfo.isInitialized && this::mPageStateArray.isInitialized
+
+    @Synchronized
+    private fun updateMode() {
+        if (!isReady) return
+        val mode: Int = if (mDownloadReference > 0) {
+            MODE_DOWNLOAD
+        } else {
+            MODE_READ
+        }
+        mSpiderDen.setMode(mode)
+
+        // Update download page
+        val intoDownloadMode = mode == MODE_DOWNLOAD
+        if (intoDownloadMode && !downloadMode) {
+            // Clear download state
+            synchronized(mPageStateLock) {
+                val temp: IntArray = mPageStateArray
+                var i = 0
+                val n = temp.size
+                while (i < n) {
+                    val oldState = temp[i]
+                    if (STATE_DOWNLOADING != oldState) {
+                        temp[i] = STATE_NONE
+                    }
+                    i++
+                }
+                mDownloadedPages.lazySet(0)
+                mFinishedPages.lazySet(0)
+                mPageErrorMap.clear()
+                mPagePercentMap.clear()
+            }
+            mWorkerScope.enterDownloadMode()
+        }
+        downloadMode = intoDownloadMode
+    }
+
+    private fun setMode(@Mode mode: Int) {
+        when (mode) {
+            MODE_READ -> mReadReference++
+            MODE_DOWNLOAD -> mDownloadReference++
+        }
+        check(mDownloadReference <= 1) { "mDownloadReference can't more than 0" }
+    }
+
+    private fun clearMode(@Mode mode: Int) {
+        when (mode) {
+            MODE_READ -> mReadReference--
+            MODE_DOWNLOAD -> mDownloadReference--
+        }
+        check(!(mReadReference < 0 || mDownloadReference < 0)) { "Mode reference < 0" }
+    }
+
+    private val prepareJob = launchIO { doPrepare() }
+
+    private suspend fun doPrepare() {
+        mSpiderInfo = readSpiderInfoFromLocal() ?: readSpiderInfoFromInternet() ?: return
+        mPageStateArray = IntArray(mSpiderInfo.pages)
+        notifyGetPages(mSpiderInfo.pages)
+    }
+
+    suspend fun awaitReady(): Boolean {
+        prepareJob.join()
+        return isReady
+    }
+
+    suspend fun awaitStartPage(): Int {
+        prepareJob.join()
+        if (!isReady) return 0
+        return mSpiderInfo.startPage
+    }
+
+    private fun stop() {
+        launchNonCancellable { runCatching { writeSpiderInfoToLocal() } }
+        cancel()
+    }
+
+    val size
+        get() = mPageStateArray.size
+
+    val error: String?
+        get() = null
+
+    fun forceRequest(index: Int) {
+        request(index, true)
+    }
+
+    fun request(index: Int) {
+        request(index, false)
+    }
+
+    private fun getPageState(index: Int): Int {
+        synchronized(mPageStateLock) {
+            return if (index >= 0 && index < mPageStateArray.size) {
+                mPageStateArray[index]
+            } else {
+                STATE_NONE
+            }
+        }
+    }
+
+    fun cancelRequest(index: Int) {
+        mWorkerScope.cancelDecode(index)
+    }
+
+    fun preloadPages(pages: List<Int>, pair: Pair<Int, Int>) {
+        mWorkerScope.updateRAList(pages, pair)
+    }
+
+    private fun request(index: Int, force: Boolean) {
+        // Get page state
+        val state = getPageState(index)
+
+        // Fix state for force
+        if (force && (state == STATE_FINISHED || state == STATE_FAILED) || state == STATE_FAILED) {
+            // Update state to none at once
+            updatePageState(index, STATE_NONE)
+        }
+        mWorkerScope.launch(index, force)
+    }
+
+    fun save(index: Int, file: UniFile): Boolean {
+        val state = getPageState(index)
+        return if (STATE_FINISHED != state) {
+            false
+        } else mSpiderDen.saveToUniFile(index, file)
+    }
+
+    fun save(index: Int, dir: UniFile, filename: String): UniFile? {
+        val state = getPageState(index)
+        if (STATE_FINISHED != state) {
+            return null
+        }
+        val ext = mSpiderDen.getExtension(index)
+        val dst = dir.subFile(if (null != ext) "$filename.$ext" else filename) ?: return null
+        return if (!mSpiderDen.saveToUniFile(index, dst)) null else dst
+    }
+
+    fun getExtension(index: Int): String? {
+        val state = getPageState(index)
+        return if (STATE_FINISHED != state) {
+            null
+        } else mSpiderDen.getExtension(index)
+    }
+
+    val startPage: Int
+        get() = mSpiderInfo.startPage
+
+    fun putStartPage(page: Int) {
+        mSpiderInfo.startPage = page
+    }
+
+    private fun readSpiderInfoFromLocal(): SpiderInfo? {
+        return mSpiderDen.downloadDir?.run {
+            findFile(SPIDER_INFO_FILENAME)?.let { file ->
+                readCompatFromUniFile(file)?.takeIf {
+                    it.gid == galleryInfo.gid && it.token == galleryInfo.token
+                }
+            }
+        }
+            ?: readFromCache(galleryInfo.gid)?.takeIf { it.gid == galleryInfo.gid && it.token == galleryInfo.token }
+    }
+
+    @Throws(ParseException::class)
+    private fun readPreviews(body: String, index: Int, spiderInfo: SpiderInfo) {
+        spiderInfo.previewPages = parsePreviewPages(body)
+        val previewSet = parsePreviewSet(body)
+        if (previewSet.size() > 0) {
+            if (index == 0) {
+                spiderInfo.previewPerPage = previewSet.size()
+            } else {
+                spiderInfo.previewPerPage = previewSet.getPosition(0) / index
+            }
+        }
+        var i = 0
+        val n = previewSet.size()
+        while (i < n) {
+            val result = GalleryPageUrlParser.parse(previewSet.getPageUrlAt(i))
+            if (result != null) {
+                spiderInfo.pTokenMap[result.page] = result.pToken
+            }
+            i++
+        }
+    }
+
+    private suspend fun readSpiderInfoFromInternet(): SpiderInfo? {
+        val request = EhRequestBuilder(
+            getGalleryDetailUrl(
+                galleryInfo.gid, galleryInfo.token, 0, false
+            ), referer
+        ).build()
+        return runSuspendCatching {
+            okHttpClient.newCall(request).executeAsync().use { response ->
+                val body = response.body.string()
+                val pages = parsePages(body)
+                val spiderInfo = SpiderInfo(galleryInfo.gid, pages)
+                spiderInfo.token = galleryInfo.token
+                readPreviews(body, 0, spiderInfo)
+                spiderInfo
+            }
+        }.onFailure {
+            it.printStackTrace()
+        }.getOrNull()
+    }
+
+    fun getPTokenFromMultiPageViewer(index: Int): String? {
+        val spiderInfo = mSpiderInfo
+        val url = getGalleryMultiPageViewerUrl(
+            galleryInfo.gid, galleryInfo.token!!
+        )
+        val referer = referer
+        val request = EhRequestBuilder(url, referer).build()
+        try {
+            okHttpClient.newCall(request).execute().use { response ->
+                val body = response.body.string()
+                val list = GalleryMultiPageViewerPTokenParser.parse(body)
+                for (i in list.indices) {
+                    spiderInfo.pTokenMap[i] = list[i]
+                }
+                return spiderInfo.pTokenMap[index]
+            }
+        } catch (e: Throwable) {
+            ExceptionUtils.throwIfFatal(e)
+            return null
+        }
+    }
+
+    fun getPTokenFromInternet(index: Int): String? {
+        val spiderInfo = mSpiderInfo
+
+        // Check previewIndex
+        var previewIndex: Int
+        previewIndex = if (spiderInfo.previewPerPage >= 0) {
+            index / spiderInfo.previewPerPage
+        } else {
+            0
+        }
+        if (spiderInfo.previewPages > 0) {
+            previewIndex = previewIndex.coerceAtMost(spiderInfo.previewPages - 1)
+        }
+        val url = getGalleryDetailUrl(
+            galleryInfo.gid, galleryInfo.token, previewIndex, false
+        )
+        val referer = referer
+        val request = EhRequestBuilder(url, referer).build()
+        try {
+            okHttpClient.newCall(request).execute().use { response ->
+                val body = response.body.string()
+                readPreviews(body, previewIndex, spiderInfo)
+                return spiderInfo.pTokenMap[index]
+            }
+        } catch (e: Throwable) {
+            ExceptionUtils.throwIfFatal(e)
+            return null
+        }
+    }
+
+    @Synchronized
+    private fun writeSpiderInfoToLocal() {
+        if (!isReady) return
+        mSpiderDen.downloadDir?.run { createFile(SPIDER_INFO_FILENAME).also { mSpiderInfo.write(it) } }
+        mSpiderInfo.saveToCache()
+    }
+
+    private fun isStateDone(state: Int): Boolean {
+        return state == STATE_FINISHED || state == STATE_FAILED
+    }
+
+    @JvmOverloads
+    fun updatePageState(index: Int, @State state: Int, error: String? = null) {
+        var oldState: Int
+        synchronized(mPageStateLock) {
+            oldState = mPageStateArray[index]
+            mPageStateArray[index] = state
+            if (!isStateDone(oldState) && isStateDone(state)) {
+                mDownloadedPages.incrementAndGet()
+            } else if (isStateDone(oldState) && !isStateDone(state)) {
+                mDownloadedPages.decrementAndGet()
+            }
+            if (oldState != STATE_FINISHED && state == STATE_FINISHED) {
+                mFinishedPages.incrementAndGet()
+            } else if (oldState == STATE_FINISHED && state != STATE_FINISHED) {
+                mFinishedPages.decrementAndGet()
+            }
+
+            // Clear
+            if (state == STATE_DOWNLOADING) {
+                mPageErrorMap.remove(index)
+            } else if (isStateDone(state)) {
+                mPagePercentMap.remove(index)
+            }
+
+            // Get default error
+            if (state == STATE_FAILED) {
+                mPageErrorMap[index] = error ?: GetText.getString(R.string.error_unknown)
+            }
+        }
+
+        // Notify listeners
+        if (state == STATE_FAILED) {
+            notifyPageFailure(index, error)
+        } else if (state == STATE_FINISHED) {
+            notifyPageSuccess(index)
+        }
+        if (mDownloadedPages.get() == size) notifyAllPageDownloaded()
+    }
+
+    @IntDef(MODE_READ, MODE_DOWNLOAD)
+    @Retention
+    annotation class Mode
+
+    @IntDef(STATE_NONE, STATE_DOWNLOADING, STATE_FINISHED, STATE_FAILED)
+    @Retention(AnnotationRetention.SOURCE)
+    annotation class State
+    interface OnSpiderListener {
+        fun onGetPages(pages: Int)
+        fun onGet509(index: Int)
+        fun onPageDownload(index: Int, contentLength: Long, receivedSize: Long, bytesRead: Int)
+        fun onPageSuccess(index: Int, finished: Int, downloaded: Int, total: Int)
+        fun onPageFailure(index: Int, error: String?, finished: Int, downloaded: Int, total: Int)
+        fun onFinish(finished: Int, downloaded: Int, total: Int)
+        fun onGetImageSuccess(index: Int, image: Image?)
+        fun onGetImageFailure(index: Int, error: String?)
+    }
+
+    companion object {
+        const val MODE_READ = 0
+        const val MODE_DOWNLOAD = 1
+        const val STATE_NONE = 0
+        const val STATE_DOWNLOADING = 1
+        const val STATE_FINISHED = 2
+        const val STATE_FAILED = 3
+        const val SPIDER_INFO_FILENAME = ".ehviewer"
+        private val sQueenMap = LongSparseArray<SpiderQueen>()
+
+        @JvmStatic
+        fun obtainSpiderQueen(galleryInfo: GalleryInfo, @Mode mode: Int): SpiderQueen {
+            val gid = galleryInfo.gid
+            return (sQueenMap[gid] ?: SpiderQueen(galleryInfo).also { sQueenMap[gid] = it }).apply {
+                setMode(mode)
+                launchIO { if (awaitReady()) updateMode() }
+            }
+        }
+
+        @JvmStatic
+        fun releaseSpiderQueen(queen: SpiderQueen, @Mode mode: Int) {
+            queen.run {
+                clearMode(mode)
+                if (mReadReference == 0 && mDownloadReference == 0) {
+                    stop()
+                    sQueenMap.remove(galleryInfo.gid)
+                } else {
+                    launchIO { if (awaitReady()) updateMode() }
+                }
+            }
+        }
+    }
+
+    private val mWorkerScope = object {
+        private val mFetcherJobMap = hashMapOf<Int, Job>()
+        private val mSemaphore = Semaphore(Settings.getMultiThreadDownload())
+        private val pTokenLock = Mutex()
+        private var showKey: String? = null
+        private val showKeyLock = Mutex()
+        private val mDownloadDelay = Settings.getDownloadDelay()
+        private var isDownloadMode = false
+
+        fun cancelDecode(index: Int) {
+            decoder.cancel(index)
+        }
+
+        @Synchronized
+        fun enterDownloadMode() {
+            if (isDownloadMode) return
+            updateRAList((0 until size).toList())
+            isDownloadMode = true
+        }
+
+        fun updateRAList(list: List<Int>, cancelBounds: Pair<Int, Int> = 0 to Int.MAX_VALUE) {
+            if (isDownloadMode) return
+            synchronized(mFetcherJobMap) {
+                mFetcherJobMap.forEach { (i, job) ->
+                    if (i < cancelBounds.first || i > cancelBounds.second)
+                        job.cancel()
+                }
+                list.forEach {
+                    if (mFetcherJobMap[it]?.isActive != true)
+                        doLaunchDownloadJob(it, false)
+                }
+            }
+        }
+
+        private fun doLaunchDownloadJob(index: Int, force: Boolean) {
+            val state = mPageStateArray[index]
+            if (!force && state == STATE_FINISHED) return
+            val currentJob = mFetcherJobMap[index]
+            if (force) currentJob?.cancel()
+            if (currentJob?.isActive != true) {
+                mFetcherJobMap[index] = launch {
+                    mSemaphore.withPermit {
+                        doInJob(index, force)
+                    }
+                }.apply {
+                    invokeOnCompletion {
+                        if (getPageState(index) == STATE_DOWNLOADING) {
+                            Log.d(WORKER_DEBUG_TAG, "Download image cancelled $index")
+                            mSpiderDen.remove(index)
+                        }
+                    }
+                }
+            }
+        }
+
+        fun launch(index: Int, force: Boolean = false) {
+            check(index in 0 until size)
+            if (!isDownloadMode) synchronized(mFetcherJobMap) { doLaunchDownloadJob(index, force) }
+            if (force) decoder.cancel(index)
+            decoder.launch(index)
+        }
+
+        private suspend fun doInJob(index: Int, force: Boolean) {
+            fun getPToken(index: Int): String? {
+                if (index !in 0 until size) return null
+                return mSpiderInfo.pTokenMap[index].takeIf { it != TOKEN_FAILED }
+                    ?: getPTokenFromInternet(index)
+                    ?: getPTokenFromInternet(index)
+                    ?: getPTokenFromMultiPageViewer(index)
+            }
+            updatePageState(index, STATE_DOWNLOADING)
+            if (!force && index in mSpiderDen) {
+                return updatePageState(index, STATE_FINISHED)
+            }
+            if (force) {
+                pTokenLock.withLock {
+                    val pToken = mSpiderInfo.pTokenMap[index]
+                    if (pToken == TOKEN_FAILED) mSpiderInfo.pTokenMap.remove(index)
+                }
+            }
+            val previousPToken: String?
+            val pToken: String
+
+            pTokenLock.withLock {
+                pToken = getPToken(index) ?: return updatePageState(
+                    index,
+                    STATE_FAILED,
+                    PTOKEN_FAILED_MESSAGE
+                ).also {
+                    mSpiderInfo.pTokenMap[index] = TOKEN_FAILED
+                }
+                previousPToken = getPToken(index - 1)
+            }
+
+            var skipHathKey: String? = null
+            val skipHathKeys = mutableListOf<String>()
+            var originImageUrl: String? = null
+            var error: String? = null
+            var forceHtml = false
+            var leakSkipHathKey = false
+            repeat(3) {
+                var imageUrl: String? = null
+                var localShowKey: String?
+
+                showKeyLock.withLock {
+                    localShowKey = showKey
+                    if (localShowKey == null || forceHtml) {
+                        if (leakSkipHathKey) return@repeat
+                        var pageUrl = EhUrl.getPageUrl(mSpiderInfo.gid, index, pToken)
+                        // Add skipHathKey
+                        if (skipHathKey != null) {
+                            pageUrl += if ("?" in pageUrl) {
+                                "&nl=$skipHathKey"
+                            } else {
+                                "?nl=$skipHathKey"
+                            }
+                        }
+                        runSuspendCatching {
+                            EhEngine.getGalleryPage(pageUrl, mSpiderInfo.gid, mSpiderInfo.token)
+                                .also {
+                                    if (check509(it.imageUrl)) {
+                                        // Get 509
+                                        notifyGet509(index)
+                                        error = ERROR_509
+                                        return@repeat
+                                    }
+                                }
+                        }.onSuccess { result ->
+                            imageUrl = result.imageUrl
+                            skipHathKey = result.skipHathKey.takeIf { it.isNotBlank() }
+                            originImageUrl = result.originImageUrl
+                            localShowKey = result.showKey
+
+                            if (skipHathKey != null) {
+                                if (skipHathKey in skipHathKeys) {
+                                    // Duplicate skip hath key
+                                    leakSkipHathKey = true
+                                } else {
+                                    skipHathKeys.add(skipHathKey!!)
+                                }
+                            } else {
+                                leakSkipHathKey = true
+                            }
+
+                            showKey = result.showKey
+                        }.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 {
+                                error = ExceptionUtils.getReadableString(it)
+                                return@repeat
+                            }
+                        }
+                    }
+                }
+
+                if (imageUrl == null) {
+                    if (localShowKey == null) {
+                        error = "ShowKey error"
+                        return@repeat
+                    }
+                    runSuspendCatching {
+                        EhEngine.getGalleryPageApi(
+                            mSpiderInfo.gid,
+                            index,
+                            pToken,
+                            localShowKey,
+                            previousPToken
+                        ).also {
+                            if (check509(it.imageUrl)) {
+                                // Get 509
+                                notifyGet509(index)
+                                error = ERROR_509
+                                return@repeat
+                            }
+                        }
+                    }.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
+                        } else {
+                            error = ExceptionUtils.getReadableString(it)
+                        }
+                        return@repeat
+                    }.onSuccess {
+                        imageUrl = it.imageUrl
+                        skipHathKey = it.skipHathKey
+                        originImageUrl = it.originImageUrl
+                    }
+                }
+
+                val targetImageUrl: String?
+                val referer: String?
+
+                if (Settings.getDownloadOriginImage() && !originImageUrl.isNullOrBlank()) {
+                    targetImageUrl = originImageUrl
+                    referer = EhUrl.getPageUrl(mSpiderInfo.gid, index, pToken)
+                } else {
+                    targetImageUrl = imageUrl
+                    referer = null
+                }
+                if (targetImageUrl == null) {
+                    error = "TargetImageUrl error"
+                    return@repeat
+                }
+                Log.d(WORKER_DEBUG_TAG, targetImageUrl)
+
+                runSuspendCatching {
+                    Log.d(WORKER_DEBUG_TAG, "Start download image $index")
+                    val success: Boolean = mSpiderDen.makeHttpCallAndSaveImage(
+                        index,
+                        targetImageUrl,
+                        referer
+                    ) { contentLength: Long, receivedSize: Long, bytesRead: Int ->
+                        mPagePercentMap[index] = receivedSize.toFloat() / contentLength
+                        notifyPageDownload(index, contentLength, receivedSize, bytesRead)
+                    }
+
+                    if (!success) {
+                        Log.e(WORKER_DEBUG_TAG, "Can't download all of image data")
+                        error = "Incomplete"
+                        forceHtml = true
+                        return@repeat
+                    }
+
+                    if (mSpiderDen.checkPlainText(index)) {
+                        error = ""
+                        forceHtml = true
+                        return@repeat
+                    }
+
+                    Log.d(WORKER_DEBUG_TAG, "Download image succeed $index")
+
+                    updatePageState(index, STATE_FINISHED)
+                    delay(mDownloadDelay.toLong())
+                    return
+                }.onFailure {
+                    it.printStackTrace()
+                    error = NETWORK_ERROR
+                    forceHtml = true
+                }
+                Log.d(WORKER_DEBUG_TAG, "End download image $index")
+            }
+            mSpiderDen.remove(index)
+            updatePageState(index, STATE_FAILED, error)
+        }
+
+        private val decoder = object {
+            private val mSemaphore = Semaphore(4)
+            private val mDecodeJobMap = hashMapOf<Int, Job>()
+
+            fun cancel(index: Int) {
+                synchronized(mDecodeJobMap) {
+                    mDecodeJobMap.remove(index)?.cancel()
+                }
+            }
+
+            fun launch(index: Int) {
+                synchronized(mDecodeJobMap) {
+                    val currentJob = mDecodeJobMap[index]
+                    if (currentJob?.isActive != true) {
+                        mDecodeJobMap[index] = launch {
+                            doInJob(index)
+                        }
+                    }
+                }
+            }
+
+            private suspend fun doInJob(index: Int) {
+                mFetcherJobMap[index]?.takeIf { it.isActive }?.join()
+                val src = mSpiderDen.getImageSource(index) ?: return
+                val image = mSemaphore.withPermit { Image.decode(src) }
+                runCatching {
+                    currentCoroutineContext().ensureActive()
+                }.onFailure {
+                    image?.recycle()
+                    throw it
+                }
+                if (image == null) {
+                    notifyGetImageFailure(index, DECODE_ERROR)
+                } else {
+                    notifyGetImageSuccess(index, image)
+                }
+            }
+        }
+    }
+}
+
+private val PTOKEN_FAILED_MESSAGE = GetText.getString(R.string.error_get_ptoken_error)
+private val ERROR_509 = GetText.getString(R.string.error_509)
+private val NETWORK_ERROR = GetText.getString(R.string.error_socket)
+private val DECODE_ERROR = GetText.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 const val WORKER_DEBUG_TAG = "SpiderQueenWorker"
+
+private fun check509(url: String) = url in URL_509_ARRAY