Chapter transition tweaks (#9470)

* Chapter transition tweaks

* Chapter transition cleanups

app/src/main/java/eu/kanade/tachiyomi/ui/reader/viewer/ReaderTransitionView.kt

@@ -2,35 +2,71 @@ package eu.kanade.tachiyomi.ui.reader.viewer
 
 import android.content.Context
 import android.util.AttributeSet
-import android.widget.FrameLayout
-import androidx.compose.ui.platform.ComposeView
+import androidx.compose.material3.LocalContentColor
+import androidx.compose.material3.LocalTextStyle
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.CompositionLocalProvider
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.setValue
+import androidx.compose.ui.platform.AbstractComposeView
 import eu.kanade.presentation.reader.ChapterTransition
+import eu.kanade.presentation.theme.TachiyomiTheme
 import eu.kanade.tachiyomi.data.download.DownloadManager
 import eu.kanade.tachiyomi.ui.reader.model.ChapterTransition
-import eu.kanade.tachiyomi.util.view.setComposeContent
 import tachiyomi.domain.manga.model.Manga
 
 class ReaderTransitionView @JvmOverloads constructor(context: Context, attrs: AttributeSet? = null) :
-    FrameLayout(context, attrs) {
+    AbstractComposeView(context, attrs) {
+
+    private var data: Data? by mutableStateOf(null)
 
     init {
         layoutParams = LayoutParams(LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT)
     }
 
     fun bind(transition: ChapterTransition, downloadManager: DownloadManager, manga: Manga?) {
-        manga ?: return
+        data = if (manga != null) {
+            Data(
+                transition = transition,
+                currChapterDownloaded = transition.from.pageLoader?.isLocal == true,
+                goingToChapterDownloaded = transition.to?.chapter?.let { goingToChapter ->
+                    downloadManager.isChapterDownloaded(
+                        chapterName = goingToChapter.name,
+                        chapterScanlator = goingToChapter.scanlator,
+                        mangaTitle = manga.title,
+                        sourceId = manga.source,
+                        skipCache = true,
+                    )
+                } ?: false,
+            )
+        } else {
+            null
+        }
+    }
 
-        removeAllViews()
-
-        val transitionView = ComposeView(context).apply {
-            setComposeContent {
-                ChapterTransition(
-                    transition = transition,
-                    downloadManager = downloadManager,
-                    manga = manga,
-                )
+    @Composable
+    override fun Content() {
+        data?.let {
+            TachiyomiTheme {
+                CompositionLocalProvider(
+                    LocalTextStyle provides MaterialTheme.typography.bodySmall,
+                    LocalContentColor provides MaterialTheme.colorScheme.onBackground,
+                ) {
+                    ChapterTransition(
+                        transition = it.transition,
+                        currChapterDownloaded = it.currChapterDownloaded,
+                        goingToChapterDownloaded = it.goingToChapterDownloaded,
+                    )
+                }
             }
         }
-        addView(transitionView)
     }
+
+    private data class Data(
+        val transition: ChapterTransition,
+        val currChapterDownloaded: Boolean,
+        val goingToChapterDownloaded: Boolean,
+    )
 }