Use Stable interface for Browse screens (#7544)

app/src/main/java/eu/kanade/presentation/browse/MigrateMangaScreen.kt

@@ -4,61 +4,66 @@ import androidx.compose.foundation.layout.WindowInsets
 import androidx.compose.foundation.layout.asPaddingValues
 import androidx.compose.foundation.layout.navigationBars
 import androidx.compose.foundation.lazy.items
-import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
-import androidx.compose.runtime.collectAsState
-import androidx.compose.runtime.getValue
+import androidx.compose.runtime.LaunchedEffect
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.input.nestedscroll.NestedScrollConnection
 import androidx.compose.ui.input.nestedscroll.nestedScroll
+import androidx.compose.ui.platform.LocalContext
 import eu.kanade.domain.manga.model.Manga
 import eu.kanade.presentation.components.EmptyScreen
 import eu.kanade.presentation.components.LoadingScreen
 import eu.kanade.presentation.components.ScrollbarLazyColumn
 import eu.kanade.presentation.manga.components.BaseMangaListItem
 import eu.kanade.tachiyomi.R
-import eu.kanade.tachiyomi.ui.browse.migration.manga.MigrateMangaState
-import eu.kanade.tachiyomi.ui.browse.migration.manga.MigrationMangaPresenter
+import eu.kanade.tachiyomi.ui.browse.migration.manga.MigrateMangaPresenter
+import eu.kanade.tachiyomi.ui.browse.migration.manga.MigrateMangaPresenter.Event
+import eu.kanade.tachiyomi.util.system.toast
+import kotlinx.coroutines.flow.collectLatest
 
 @Composable
 fun MigrateMangaScreen(
     nestedScrollInterop: NestedScrollConnection,
-    presenter: MigrationMangaPresenter,
+    presenter: MigrateMangaPresenter,
     onClickItem: (Manga) -> Unit,
     onClickCover: (Manga) -> Unit,
 ) {
-    val state by presenter.state.collectAsState()
-
-    when (state) {
-        MigrateMangaState.Loading -> LoadingScreen()
-        is MigrateMangaState.Error -> Text(text = (state as MigrateMangaState.Error).error.message!!)
-        is MigrateMangaState.Success -> {
+    val context = LocalContext.current
+    when {
+        presenter.isLoading -> LoadingScreen()
+        presenter.isEmpty -> EmptyScreen(textResource = R.string.empty_screen)
+        else -> {
             MigrateMangaContent(
                 nestedScrollInterop = nestedScrollInterop,
-                list = (state as MigrateMangaState.Success).list,
+                state = presenter,
                 onClickItem = onClickItem,
                 onClickCover = onClickCover,
             )
         }
     }
+    LaunchedEffect(Unit) {
+        presenter.events.collectLatest { event ->
+            when (event) {
+                Event.FailedFetchingFavorites -> {
+                    context.toast(R.string.internal_error)
+                }
+            }
+        }
+    }
 }
 
 @Composable
 fun MigrateMangaContent(
     nestedScrollInterop: NestedScrollConnection,
-    list: List<Manga>,
+    state: MigrateMangaState,
     onClickItem: (Manga) -> Unit,
     onClickCover: (Manga) -> Unit,
 ) {
-    if (list.isEmpty()) {
-        EmptyScreen(textResource = R.string.empty_screen)
-        return
-    }
     ScrollbarLazyColumn(
         modifier = Modifier.nestedScroll(nestedScrollInterop),
         contentPadding = WindowInsets.navigationBars.asPaddingValues(),
     ) {
-        items(list) { manga ->
+        items(state.items) { manga ->
             MigrateMangaItem(
                 manga = manga,
                 onClickItem = onClickItem,