From 091705b3f22a15d379579805685ccbf5f1625f0a Mon Sep 17 00:00:00 2001
From: tarsin <yuanqingxiang233@163.com>
Date: Mon, 23 Jan 2023 10:27:02 +0800
Subject: [PATCH] History Screen lazy items

---
 app/build.gradle                              |  1 +
 .../ui/scene/history/HistoryScreen.kt         | 29 +++++++++++++++++--
 2 files changed, 27 insertions(+), 3 deletions(-)

diff --git a/app/build.gradle b/app/build.gradle
index 33a1df0dc..1a2fc61f3 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -125,6 +125,7 @@ dependencies {
 
     // https://developer.android.com/jetpack/androidx/releases/paging
     implementation "androidx.paging:paging-runtime-ktx:3.2.0-alpha03"
+    implementation "androidx.paging:paging-compose:1.0.0-alpha17"
     implementation 'androidx.preference:preference-ktx:1.2.0'
     implementation 'androidx.recyclerview:recyclerview:1.3.0-rc01'
 
diff --git a/app/src/main/java/com/hippo/ehviewer/ui/scene/history/HistoryScreen.kt b/app/src/main/java/com/hippo/ehviewer/ui/scene/history/HistoryScreen.kt
index 48040669b..5ce57cf94 100644
--- a/app/src/main/java/com/hippo/ehviewer/ui/scene/history/HistoryScreen.kt
+++ b/app/src/main/java/com/hippo/ehviewer/ui/scene/history/HistoryScreen.kt
@@ -11,14 +11,30 @@ import androidx.compose.material3.Scaffold
 import androidx.compose.material3.Text
 import androidx.compose.material3.TopAppBar
 import androidx.compose.runtime.Composable
+import androidx.compose.runtime.remember
+import androidx.compose.runtime.rememberCoroutineScope
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.res.painterResource
 import androidx.compose.ui.res.stringResource
+import androidx.paging.Pager
+import androidx.paging.PagingConfig
+import androidx.paging.cachedIn
+import androidx.paging.compose.collectAsLazyPagingItems
+import androidx.paging.compose.items
+import com.hippo.ehviewer.EhDB
 import com.hippo.ehviewer.R
 
 @OptIn(ExperimentalMaterial3Api::class)
 @Composable
 fun HistoryScreen(toggleDrawer: () -> Unit) {
+    val coroutineScope = rememberCoroutineScope()
+    val historyData = remember {
+        Pager(
+            PagingConfig(20)
+        ) {
+            EhDB.getHistoryLazyList()
+        }.flow.cachedIn(coroutineScope)
+    }.collectAsLazyPagingItems()
     Scaffold(
         topBar = {
             TopAppBar(
@@ -40,11 +56,18 @@ fun HistoryScreen(toggleDrawer: () -> Unit) {
                 }
             )
         }
-    ) {
+    ) { paddingValues ->
         LazyColumn(
-            Modifier.padding(it)
+            Modifier.padding(paddingValues)
         ) {
-
+            items(
+                items = historyData,
+                key = { item -> item.gid }
+            ) {
+                it?.let {
+                    Text(text = it.title!!)
+                }
+            }
         }
     }
 }