Fix multiple issues regarding sources loading too late

Co-authored-by: jobobby04 <17078382+jobobby04@users.noreply.github.com>
Co-authored-by: AntsyLich <59261191+AntsyLich@users.noreply.github.com>

app/src/main/java/eu/kanade/core/util/AnimeSourceUtil.kt

@@ -0,0 +1,13 @@
+package eu.kanade.core.util
+
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.collectAsState
+import androidx.compose.runtime.remember
+import tachiyomi.domain.source.anime.service.AnimeSourceManager
+import uy.kohesive.injekt.Injekt
+import uy.kohesive.injekt.api.get
+
+@Composable
+fun ifAnimeSourcesLoaded(): Boolean {
+    return remember { Injekt.get<AnimeSourceManager>().isInitialized }.collectAsState().value
+}

app/src/main/java/eu/kanade/core/util/MangaSourceUtil.kt

@@ -0,0 +1,13 @@
+package eu.kanade.core.util
+
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.collectAsState
+import androidx.compose.runtime.remember
+import tachiyomi.domain.source.manga.service.MangaSourceManager
+import uy.kohesive.injekt.Injekt
+import uy.kohesive.injekt.api.get
+
+@Composable
+fun ifMangaSourcesLoaded(): Boolean {
+    return remember { Injekt.get<MangaSourceManager>().isInitialized }.collectAsState().value
+}

app/src/main/java/eu/kanade/tachiyomi/data/download/anime/AnimeDownloadCache.kt

@@ -16,6 +16,7 @@ import kotlinx.coroutines.delay
 import kotlinx.coroutines.flow.MutableStateFlow
 import kotlinx.coroutines.flow.SharingStarted
 import kotlinx.coroutines.flow.debounce
+import kotlinx.coroutines.flow.first
 import kotlinx.coroutines.flow.launchIn
 import kotlinx.coroutines.flow.onEach
 import kotlinx.coroutines.flow.onStart
@@ -318,19 +319,13 @@ class AnimeDownloadCache(
             }
 
             // Try to wait until extensions and sources have loaded
-            var sources = getSources()
+            var sources = emptyList<AnimeSource>()
-            if (sources.isEmpty()) {
             withTimeoutOrNull(30.seconds) {
-                    while (!extensionManager.isInitialized) {
+                extensionManager.isInitialized.first { it }
-                        delay(2.seconds)
+                sourceManager.isInitialized.first { it }
-                    }
 
-                    while (extensionManager.availableExtensionsFlow.value.isNotEmpty() && sources.isEmpty()) {
-                        delay(2.seconds)
                 sources = getSources()
             }
-                }
-            }
 
             val sourceMap = sources.associate {
                 provider.getSourceDirName(it).lowercase() to it.id

app/src/main/java/eu/kanade/tachiyomi/data/download/manga/MangaDownloadCache.kt

@@ -19,6 +19,7 @@ import kotlinx.coroutines.ensureActive
 import kotlinx.coroutines.flow.MutableStateFlow
 import kotlinx.coroutines.flow.SharingStarted
 import kotlinx.coroutines.flow.debounce
+import kotlinx.coroutines.flow.first
 import kotlinx.coroutines.flow.launchIn
 import kotlinx.coroutines.flow.onEach
 import kotlinx.coroutines.flow.onStart
@@ -342,19 +343,13 @@ class MangaDownloadCache(
             }
 
             // Try to wait until extensions and sources have loaded
-            var sources = getSources()
+            var sources = emptyList<MangaSource>()
-            if (sources.isEmpty()) {
             withTimeoutOrNull(30.seconds) {
-                    while (!extensionManager.isInitialized) {
+                extensionManager.isInitialized.first { it }
-                        delay(2.seconds)
+                sourceManager.isInitialized.first { it }
-                    }
 
-                    while (extensionManager.availableExtensionsFlow.value.isNotEmpty() && sources.isEmpty()) {
-                        delay(2.seconds)
                 sources = getSources()
             }
-                }
-            }
 
             val sourceMap = sources.associate { provider.getSourceDirName(it).lowercase() to it.id }
 

app/src/main/java/eu/kanade/tachiyomi/extension/anime/AnimeExtensionManager.kt

@@ -16,6 +16,7 @@ import eu.kanade.tachiyomi.util.system.toast
 import kotlinx.coroutines.async
 import kotlinx.coroutines.flow.Flow
 import kotlinx.coroutines.flow.MutableStateFlow
+import kotlinx.coroutines.flow.StateFlow
 import kotlinx.coroutines.flow.asStateFlow
 import kotlinx.coroutines.flow.emptyFlow
 import logcat.LogPriority
@@ -44,8 +45,8 @@ class AnimeExtensionManager(
     private val trustExtension: TrustAnimeExtension = Injekt.get(),
 ) {
 
-    var isInitialized = false
+    private val _isInitialized = MutableStateFlow(false)
-        private set
+    val isInitialized: StateFlow<Boolean> = _isInitialized.asStateFlow()
 
     /**
      * API where all the available anime extensions can be found.
@@ -119,7 +120,7 @@ class AnimeExtensionManager(
             .filterIsInstance<AnimeLoadResult.Untrusted>()
             .map { it.extension }
 
-        isInitialized = true
+        _isInitialized.value = true
     }
 
     /**

app/src/main/java/eu/kanade/tachiyomi/extension/manga/MangaExtensionManager.kt

@@ -16,10 +16,10 @@ import eu.kanade.tachiyomi.util.system.toast
 import kotlinx.coroutines.async
 import kotlinx.coroutines.flow.Flow
 import kotlinx.coroutines.flow.MutableStateFlow
+import kotlinx.coroutines.flow.StateFlow
 import kotlinx.coroutines.flow.asStateFlow
 import kotlinx.coroutines.flow.emptyFlow
 import logcat.LogPriority
-import tachiyomi.core.common.preference.plusAssign
 import tachiyomi.core.common.util.lang.launchNow
 import tachiyomi.core.common.util.lang.withUIContext
 import tachiyomi.core.common.util.system.logcat
@@ -42,8 +42,8 @@ class MangaExtensionManager(
     private val trustExtension: TrustMangaExtension = Injekt.get(),
 ) {
 
-    var isInitialized = false
+    private val _isInitialized = MutableStateFlow(false)
-        private set
+    val isInitialized: StateFlow<Boolean> = _isInitialized.asStateFlow()
 
     /**
      * API where all the available extensions can be found.
@@ -109,7 +109,7 @@ class MangaExtensionManager(
             .filterIsInstance<MangaLoadResult.Untrusted>()
             .map { it.extension }
 
-        isInitialized = true
+        _isInitialized.value = true
     }
 
     /**

app/src/main/java/eu/kanade/tachiyomi/source/anime/AndroidAnimeSourceManager.kt

@@ -11,6 +11,8 @@ import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.Job
 import kotlinx.coroutines.flow.Flow
 import kotlinx.coroutines.flow.MutableStateFlow
+import kotlinx.coroutines.flow.StateFlow
+import kotlinx.coroutines.flow.asStateFlow
 import kotlinx.coroutines.flow.collectLatest
 import kotlinx.coroutines.flow.map
 import kotlinx.coroutines.launch
@@ -29,6 +31,10 @@ class AndroidAnimeSourceManager(
     private val extensionManager: AnimeExtensionManager,
     private val sourceRepository: AnimeStubSourceRepository,
 ) : AnimeSourceManager {
+
+    private val _isInitialized = MutableStateFlow(false)
+    override val isInitialized: StateFlow<Boolean> = _isInitialized.asStateFlow()
+
     private val downloadManager: AnimeDownloadManager by injectLazy()
 
     private val scope = CoroutineScope(Job() + Dispatchers.IO)
@@ -61,6 +67,7 @@ class AndroidAnimeSourceManager(
                         }
                     }
                     sourcesMapFlow.value = mutableMap
+                    _isInitialized.value = true
                 }
         }
 

app/src/main/java/eu/kanade/tachiyomi/source/manga/AndroidMangaSourceManager.kt

@@ -11,6 +11,8 @@ import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.Job
 import kotlinx.coroutines.flow.Flow
 import kotlinx.coroutines.flow.MutableStateFlow
+import kotlinx.coroutines.flow.StateFlow
+import kotlinx.coroutines.flow.asStateFlow
 import kotlinx.coroutines.flow.collectLatest
 import kotlinx.coroutines.flow.map
 import kotlinx.coroutines.launch
@@ -29,6 +31,10 @@ class AndroidMangaSourceManager(
     private val extensionManager: MangaExtensionManager,
     private val sourceRepository: MangaStubSourceRepository,
 ) : MangaSourceManager {
+
+    private val _isInitialized = MutableStateFlow(false)
+    override val isInitialized: StateFlow<Boolean> = _isInitialized.asStateFlow()
+
     private val downloadManager: MangaDownloadManager by injectLazy()
 
     private val scope = CoroutineScope(Job() + Dispatchers.IO)
@@ -61,6 +67,7 @@ class AndroidMangaSourceManager(
                         }
                     }
                     sourcesMapFlow.value = mutableMap
+                    _isInitialized.value = true
                 }
         }
 

app/src/main/java/eu/kanade/tachiyomi/ui/browse/anime/extension/details/AnimeSourcePreferencesScreen.kt

@@ -31,6 +31,7 @@ import androidx.preference.forEach
 import androidx.preference.getOnBindEditTextListener
 import cafe.adriel.voyager.navigator.LocalNavigator
 import cafe.adriel.voyager.navigator.currentOrThrow
+import eu.kanade.core.util.ifAnimeSourcesLoaded
 import eu.kanade.presentation.components.AppBar
 import eu.kanade.presentation.util.Screen
 import eu.kanade.tachiyomi.R
@@ -40,6 +41,7 @@ import eu.kanade.tachiyomi.data.preference.SharedPreferencesDataStore
 import eu.kanade.tachiyomi.widget.TachiyomiTextInputEditText.Companion.setIncognito
 import tachiyomi.domain.source.anime.service.AnimeSourceManager
 import tachiyomi.presentation.core.components.material.Scaffold
+import tachiyomi.presentation.core.screens.LoadingScreen
 import uy.kohesive.injekt.Injekt
 import uy.kohesive.injekt.api.get
 
@@ -47,6 +49,11 @@ class AnimeSourcePreferencesScreen(val sourceId: Long) : Screen() {
 
     @Composable
     override fun Content() {
+        if (!ifAnimeSourcesLoaded()) {
+            LoadingScreen()
+            return
+        }
+
         val context = LocalContext.current
         val navigator = LocalNavigator.currentOrThrow
 

app/src/main/java/eu/kanade/tachiyomi/ui/browse/anime/migration/search/AnimeSourceSearchScreen.kt

@@ -18,6 +18,7 @@ import androidx.paging.compose.collectAsLazyPagingItems
 import cafe.adriel.voyager.core.model.rememberScreenModel
 import cafe.adriel.voyager.navigator.LocalNavigator
 import cafe.adriel.voyager.navigator.currentOrThrow
+import eu.kanade.core.util.ifAnimeSourcesLoaded
 import eu.kanade.presentation.browse.anime.BrowseAnimeSourceContent
 import eu.kanade.presentation.components.SearchToolbar
 import eu.kanade.presentation.util.Screen
@@ -34,6 +35,7 @@ import tachiyomi.i18n.MR
 import tachiyomi.presentation.core.components.material.ExtendedFloatingActionButton
 import tachiyomi.presentation.core.components.material.Scaffold
 import tachiyomi.presentation.core.i18n.stringResource
+import tachiyomi.presentation.core.screens.LoadingScreen
 import tachiyomi.source.local.entries.anime.LocalAnimeSource
 
 data class AnimeSourceSearchScreen(
@@ -44,6 +46,11 @@ data class AnimeSourceSearchScreen(
 
     @Composable
     override fun Content() {
+        if (!ifAnimeSourcesLoaded()) {
+            LoadingScreen()
+            return
+        }
+
         val uriHandler = LocalUriHandler.current
         val navigator = LocalNavigator.currentOrThrow
         val scope = rememberCoroutineScope()

app/src/main/java/eu/kanade/tachiyomi/ui/browse/anime/source/browse/BrowseAnimeSourceScreen.kt

@@ -35,6 +35,7 @@ import androidx.paging.compose.collectAsLazyPagingItems
 import cafe.adriel.voyager.core.model.rememberScreenModel
 import cafe.adriel.voyager.navigator.LocalNavigator
 import cafe.adriel.voyager.navigator.currentOrThrow
+import eu.kanade.core.util.ifAnimeSourcesLoaded
 import eu.kanade.presentation.browse.anime.BrowseAnimeSourceContent
 import eu.kanade.presentation.browse.anime.MissingSourceScreen
 import eu.kanade.presentation.browse.anime.components.BrowseAnimeSourceToolbar
@@ -60,6 +61,7 @@ import tachiyomi.i18n.MR
 import tachiyomi.presentation.core.components.material.Scaffold
 import tachiyomi.presentation.core.components.material.padding
 import tachiyomi.presentation.core.i18n.stringResource
+import tachiyomi.presentation.core.screens.LoadingScreen
 import tachiyomi.source.local.entries.anime.LocalAnimeSource
 
 data class BrowseAnimeSourceScreen(
@@ -73,6 +75,11 @@ data class BrowseAnimeSourceScreen(
 
     @Composable
     override fun Content() {
+        if (!ifAnimeSourcesLoaded()) {
+            LoadingScreen()
+            return
+        }
+
         val screenModel = rememberScreenModel { BrowseAnimeSourceScreenModel(sourceId, listingQuery) }
         val state by screenModel.state.collectAsState()
 

app/src/main/java/eu/kanade/tachiyomi/ui/browse/anime/source/globalsearch/GlobalAnimeSearchScreen.kt

@@ -10,6 +10,7 @@ import androidx.compose.runtime.setValue
 import cafe.adriel.voyager.core.model.rememberScreenModel
 import cafe.adriel.voyager.navigator.LocalNavigator
 import cafe.adriel.voyager.navigator.currentOrThrow
+import eu.kanade.core.util.ifAnimeSourcesLoaded
 import eu.kanade.presentation.browse.anime.GlobalAnimeSearchScreen
 import eu.kanade.presentation.util.Screen
 import eu.kanade.tachiyomi.ui.browse.anime.source.browse.BrowseAnimeSourceScreen
@@ -23,6 +24,11 @@ class GlobalAnimeSearchScreen(
 
     @Composable
     override fun Content() {
+        if (!ifAnimeSourcesLoaded()) {
+            LoadingScreen()
+            return
+        }
+
         val navigator = LocalNavigator.currentOrThrow
 
         val screenModel = rememberScreenModel {

app/src/main/java/eu/kanade/tachiyomi/ui/browse/manga/extension/details/MangaSourcePreferencesScreen.kt

@@ -31,6 +31,7 @@ import androidx.preference.forEach
 import androidx.preference.getOnBindEditTextListener
 import cafe.adriel.voyager.navigator.LocalNavigator
 import cafe.adriel.voyager.navigator.currentOrThrow
+import eu.kanade.core.util.ifMangaSourcesLoaded
 import eu.kanade.presentation.components.AppBar
 import eu.kanade.presentation.util.Screen
 import eu.kanade.tachiyomi.R
@@ -40,6 +41,7 @@ import eu.kanade.tachiyomi.source.sourcePreferences
 import eu.kanade.tachiyomi.widget.TachiyomiTextInputEditText.Companion.setIncognito
 import tachiyomi.domain.source.manga.service.MangaSourceManager
 import tachiyomi.presentation.core.components.material.Scaffold
+import tachiyomi.presentation.core.screens.LoadingScreen
 import uy.kohesive.injekt.Injekt
 import uy.kohesive.injekt.api.get
 
@@ -47,6 +49,11 @@ class MangaSourcePreferencesScreen(val sourceId: Long) : Screen() {
 
     @Composable
     override fun Content() {
+        if (!ifMangaSourcesLoaded()) {
+            LoadingScreen()
+            return
+        }
+
         val context = LocalContext.current
         val navigator = LocalNavigator.currentOrThrow
 

app/src/main/java/eu/kanade/tachiyomi/ui/browse/manga/migration/search/MangaSourceSearchScreen.kt

@@ -18,6 +18,7 @@ import androidx.paging.compose.collectAsLazyPagingItems
 import cafe.adriel.voyager.core.model.rememberScreenModel
 import cafe.adriel.voyager.navigator.LocalNavigator
 import cafe.adriel.voyager.navigator.currentOrThrow
+import eu.kanade.core.util.ifMangaSourcesLoaded
 import eu.kanade.presentation.browse.manga.BrowseSourceContent
 import eu.kanade.presentation.components.SearchToolbar
 import eu.kanade.presentation.util.Screen
@@ -34,6 +35,7 @@ import tachiyomi.i18n.MR
 import tachiyomi.presentation.core.components.material.ExtendedFloatingActionButton
 import tachiyomi.presentation.core.components.material.Scaffold
 import tachiyomi.presentation.core.i18n.stringResource
+import tachiyomi.presentation.core.screens.LoadingScreen
 import tachiyomi.source.local.entries.manga.LocalMangaSource
 
 data class MangaSourceSearchScreen(
@@ -44,6 +46,11 @@ data class MangaSourceSearchScreen(
 
     @Composable
     override fun Content() {
+        if (!ifMangaSourcesLoaded()) {
+            LoadingScreen()
+            return
+        }
+
         val uriHandler = LocalUriHandler.current
         val navigator = LocalNavigator.currentOrThrow
         val scope = rememberCoroutineScope()

app/src/main/java/eu/kanade/tachiyomi/ui/browse/manga/source/browse/BrowseMangaSourceScreen.kt

@@ -35,6 +35,7 @@ import androidx.paging.compose.collectAsLazyPagingItems
 import cafe.adriel.voyager.core.model.rememberScreenModel
 import cafe.adriel.voyager.navigator.LocalNavigator
 import cafe.adriel.voyager.navigator.currentOrThrow
+import eu.kanade.core.util.ifMangaSourcesLoaded
 import eu.kanade.presentation.browse.anime.components.RemoveEntryDialog
 import eu.kanade.presentation.browse.manga.BrowseSourceContent
 import eu.kanade.presentation.browse.manga.MissingSourceScreen
@@ -60,6 +61,7 @@ import tachiyomi.i18n.MR
 import tachiyomi.presentation.core.components.material.Scaffold
 import tachiyomi.presentation.core.components.material.padding
 import tachiyomi.presentation.core.i18n.stringResource
+import tachiyomi.presentation.core.screens.LoadingScreen
 import tachiyomi.source.local.entries.manga.LocalMangaSource
 
 data class BrowseMangaSourceScreen(
@@ -73,6 +75,11 @@ data class BrowseMangaSourceScreen(
 
     @Composable
     override fun Content() {
+        if (!ifMangaSourcesLoaded()) {
+            LoadingScreen()
+            return
+        }
+
         val screenModel = rememberScreenModel { BrowseMangaSourceScreenModel(sourceId, listingQuery) }
         val state by screenModel.state.collectAsState()
 

app/src/main/java/eu/kanade/tachiyomi/ui/browse/manga/source/globalsearch/GlobalMangaSearchScreen.kt

@@ -10,6 +10,7 @@ import androidx.compose.runtime.setValue
 import cafe.adriel.voyager.core.model.rememberScreenModel
 import cafe.adriel.voyager.navigator.LocalNavigator
 import cafe.adriel.voyager.navigator.currentOrThrow
+import eu.kanade.core.util.ifMangaSourcesLoaded
 import eu.kanade.presentation.browse.manga.GlobalMangaSearchScreen
 import eu.kanade.presentation.util.Screen
 import eu.kanade.tachiyomi.ui.browse.manga.source.browse.BrowseMangaSourceScreen
@@ -23,6 +24,11 @@ class GlobalMangaSearchScreen(
 
     @Composable
     override fun Content() {
+        if (!ifMangaSourcesLoaded()) {
+            LoadingScreen()
+            return
+        }
+
         val navigator = LocalNavigator.currentOrThrow
 
         val screenModel = rememberScreenModel {

app/src/main/java/eu/kanade/tachiyomi/ui/entries/anime/AnimeScreen.kt

@@ -20,6 +20,7 @@ import cafe.adriel.voyager.core.model.rememberScreenModel
 import cafe.adriel.voyager.navigator.LocalNavigator
 import cafe.adriel.voyager.navigator.Navigator
 import cafe.adriel.voyager.navigator.currentOrThrow
+import eu.kanade.core.util.ifAnimeSourcesLoaded
 import eu.kanade.domain.entries.anime.model.hasCustomCover
 import eu.kanade.domain.entries.anime.model.toSAnime
 import eu.kanade.presentation.category.components.ChangeCategoryDialog
@@ -76,6 +77,11 @@ class AnimeScreen(
 
     @Composable
     override fun Content() {
+        if (!ifAnimeSourcesLoaded()) {
+            LoadingScreen()
+            return
+        }
+
         val navigator = LocalNavigator.currentOrThrow
         val context = LocalContext.current
         val haptic = LocalHapticFeedback.current

app/src/main/java/eu/kanade/tachiyomi/ui/entries/manga/MangaScreen.kt

@@ -22,6 +22,7 @@ import cafe.adriel.voyager.core.model.rememberScreenModel
 import cafe.adriel.voyager.navigator.LocalNavigator
 import cafe.adriel.voyager.navigator.Navigator
 import cafe.adriel.voyager.navigator.currentOrThrow
+import eu.kanade.core.util.ifMangaSourcesLoaded
 import eu.kanade.domain.entries.manga.model.hasCustomCover
 import eu.kanade.domain.entries.manga.model.toSManga
 import eu.kanade.presentation.category.components.ChangeCategoryDialog
@@ -74,6 +75,11 @@ class MangaScreen(
 
     @Composable
     override fun Content() {
+        if (!ifMangaSourcesLoaded()) {
+            LoadingScreen()
+            return
+        }
+
         val navigator = LocalNavigator.currentOrThrow
         val context = LocalContext.current
         val haptic = LocalHapticFeedback.current

app/src/main/java/eu/kanade/tachiyomi/ui/player/PlayerViewModel.kt

@@ -44,6 +44,7 @@ import `is`.xyz.mpv.Utils
 import kotlinx.coroutines.channels.Channel
 import kotlinx.coroutines.flow.MutableStateFlow
 import kotlinx.coroutines.flow.asStateFlow
+import kotlinx.coroutines.flow.first
 import kotlinx.coroutines.flow.receiveAsFlow
 import kotlinx.coroutines.flow.update
 import kotlinx.coroutines.runBlocking
@@ -245,6 +246,7 @@ class PlayerViewModel @JvmOverloads constructor(
         return try {
             val anime = getAnime.await(animeId)
             if (anime != null) {
+                sourceManager.isInitialized.first { it }
                 if (episodeId == -1L) episodeId = initialEpisodeId
 
                 checkTrackers(anime)

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

@@ -40,6 +40,7 @@ import com.davemorrissey.labs.subscaleview.SubsamplingScaleImageView
 import com.google.android.material.elevation.SurfaceColors
 import com.google.android.material.transition.platform.MaterialContainerTransform
 import dev.chrisbanes.insetter.applyInsetter
+import eu.kanade.core.util.ifMangaSourcesLoaded
 import eu.kanade.domain.base.BasePreferences
 import eu.kanade.presentation.reader.DisplayRefreshHost
 import eu.kanade.presentation.reader.OrientationSelectDialog
@@ -350,6 +351,10 @@ class ReaderActivity : BaseActivity() {
                 )
             }
 
+            if (!ifMangaSourcesLoaded()) {
+                return@setComposeContent
+            }
+
             val isHttpSource = viewModel.getSource() is HttpSource
             val isFullscreen by readerPreferences.fullscreen().collectAsState()
             val flashOnPageChange by readerPreferences.flashOnPageChange().collectAsState()

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

@@ -47,6 +47,7 @@ import kotlinx.coroutines.flow.MutableStateFlow
 import kotlinx.coroutines.flow.asStateFlow
 import kotlinx.coroutines.flow.distinctUntilChanged
 import kotlinx.coroutines.flow.filterNotNull
+import kotlinx.coroutines.flow.first
 import kotlinx.coroutines.flow.launchIn
 import kotlinx.coroutines.flow.map
 import kotlinx.coroutines.flow.onEach
@@ -270,6 +271,7 @@ class ReaderViewModel @JvmOverloads constructor(
             try {
                 val manga = getManga.await(mangaId)
                 if (manga != null) {
+                    sourceManager.isInitialized.first { it }
                     mutableState.update { it.copy(manga = manga) }
                     if (chapterId == -1L) chapterId = initialChapterId
 

domain/src/main/java/tachiyomi/domain/source/anime/service/AnimeSourceManager.kt

@@ -4,10 +4,13 @@ import eu.kanade.tachiyomi.animesource.AnimeCatalogueSource
 import eu.kanade.tachiyomi.animesource.AnimeSource
 import eu.kanade.tachiyomi.animesource.online.AnimeHttpSource
 import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.StateFlow
 import tachiyomi.domain.source.anime.model.StubAnimeSource
 
 interface AnimeSourceManager {
 
+    val isInitialized: StateFlow<Boolean>
+
     val catalogueSources: Flow<List<AnimeCatalogueSource>>
 
     fun get(sourceKey: Long): AnimeSource?

domain/src/main/java/tachiyomi/domain/source/manga/service/MangaSourceManager.kt

@@ -4,10 +4,13 @@ import eu.kanade.tachiyomi.source.CatalogueSource
 import eu.kanade.tachiyomi.source.MangaSource
 import eu.kanade.tachiyomi.source.online.HttpSource
 import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.StateFlow
 import tachiyomi.domain.source.manga.model.StubMangaSource
 
 interface MangaSourceManager {
 
+    val isInitialized: StateFlow<Boolean>
+
     val catalogueSources: Flow<List<CatalogueSource>>
 
     fun get(sourceKey: Long): MangaSource?