merge23

Last commit merged: 8ff0c9d61a

app/src/main/java/eu/kanade/domain/items/chapter/interactor/SetReadStatus.kt

@@ -72,9 +72,9 @@ class SetReadStatus(
     suspend fun await(manga: Manga, read: Boolean) =
         await(manga.id, read)
 
-    sealed class Result {
+    sealed interface Result {
-        data object Success : Result()
+        data object Success : Result
-        data object NoChapters : Result()
+        data object NoChapters : Result
-        data class InternalError(val error: Throwable) : Result()
+        data class InternalError(val error: Throwable) : Result
     }
 }

app/src/main/java/eu/kanade/domain/items/episode/interactor/SetSeenStatus.kt

@@ -72,9 +72,9 @@ class SetSeenStatus(
     suspend fun await(anime: Anime, seen: Boolean) =
         await(anime.id, seen)
 
-    sealed class Result {
+    sealed interface Result {
-        data object Success : Result()
+        data object Success : Result
-        data object NoEpisodes : Result()
+        data object NoEpisodes : Result
-        data class InternalError(val error: Throwable) : Result()
+        data class InternalError(val error: Throwable) : Result
     }
 }

app/src/main/java/eu/kanade/presentation/browse/anime/AnimeExtensionDetailsScreen.kt

@@ -22,12 +22,14 @@ import androidx.compose.material.icons.outlined.HelpOutline
 import androidx.compose.material.icons.outlined.History
 import androidx.compose.material.icons.outlined.Settings
 import androidx.compose.material3.Button
+import androidx.compose.material3.HorizontalDivider
 import androidx.compose.material3.Icon
 import androidx.compose.material3.IconButton
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.OutlinedButton
 import androidx.compose.material3.Switch
 import androidx.compose.material3.Text
+import androidx.compose.material3.VerticalDivider
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.getValue
 import androidx.compose.runtime.mutableStateOf
@@ -52,11 +54,9 @@ import eu.kanade.presentation.more.settings.widget.TrailingWidgetBuffer
 import eu.kanade.tachiyomi.R
 import eu.kanade.tachiyomi.animesource.ConfigurableAnimeSource
 import eu.kanade.tachiyomi.extension.anime.model.AnimeExtension
-import eu.kanade.tachiyomi.ui.browse.anime.extension.details.AnimeExtensionDetailsState
+import eu.kanade.tachiyomi.ui.browse.anime.extension.details.AnimeExtensionDetailsScreenModel
 import eu.kanade.tachiyomi.util.system.LocaleHelper
 import tachiyomi.presentation.core.components.ScrollbarLazyColumn
-import tachiyomi.presentation.core.components.material.DIVIDER_ALPHA
-import tachiyomi.presentation.core.components.material.Divider
 import tachiyomi.presentation.core.components.material.Scaffold
 import tachiyomi.presentation.core.components.material.padding
 import tachiyomi.presentation.core.screens.EmptyScreen
@@ -64,7 +64,7 @@ import tachiyomi.presentation.core.screens.EmptyScreen
 @Composable
 fun AnimeExtensionDetailsScreen(
     navigateUp: () -> Unit,
-    state: AnimeExtensionDetailsState,
+    state: AnimeExtensionDetailsScreenModel.State,
     onClickSourcePreferences: (sourceId: Long) -> Unit,
     onClickWhatsNew: () -> Unit,
     onClickReadme: () -> Unit,
@@ -313,7 +313,7 @@ private fun DetailsHeader(
             }
         }
 
-        Divider()
+        HorizontalDivider()
     }
 }
 
@@ -355,11 +355,8 @@ private fun InfoText(
 
 @Composable
 private fun InfoDivider() {
-    Divider(
+    VerticalDivider(
-        modifier = Modifier
+        modifier = Modifier.height(20.dp),
-            .height(20.dp)
-            .width(1.dp),
-        color = MaterialTheme.colorScheme.onSurface.copy(alpha = DIVIDER_ALPHA),
     )
 }
 

app/src/main/java/eu/kanade/presentation/browse/anime/AnimeExtensionsScreen.kt

@@ -43,7 +43,7 @@ import eu.kanade.tachiyomi.R
 import eu.kanade.tachiyomi.extension.InstallStep
 import eu.kanade.tachiyomi.extension.anime.model.AnimeExtension
 import eu.kanade.tachiyomi.ui.browse.anime.extension.AnimeExtensionUiModel
-import eu.kanade.tachiyomi.ui.browse.anime.extension.AnimeExtensionsState
+import eu.kanade.tachiyomi.ui.browse.anime.extension.AnimeExtensionsScreenModel
 import eu.kanade.tachiyomi.util.system.LocaleHelper
 import tachiyomi.presentation.core.components.FastScrollLazyColumn
 import tachiyomi.presentation.core.components.material.PullRefresh
@@ -56,7 +56,7 @@ import tachiyomi.presentation.core.util.secondaryItemAlpha
 
 @Composable
 fun AnimeExtensionScreen(
-    state: AnimeExtensionsState,
+    state: AnimeExtensionsScreenModel.State,
     contentPadding: PaddingValues,
     searchQuery: String?,
     onLongClickItem: (AnimeExtension) -> Unit,
@@ -107,7 +107,7 @@ fun AnimeExtensionScreen(
 
 @Composable
 private fun AnimeExtensionContent(
-    state: AnimeExtensionsState,
+    state: AnimeExtensionsScreenModel.State,
     contentPadding: PaddingValues,
     onLongClickItem: (AnimeExtension) -> Unit,
     onClickItemCancel: (AnimeExtension) -> Unit,

app/src/main/java/eu/kanade/presentation/browse/anime/AnimeSourcesFilterScreen.kt

@@ -12,7 +12,7 @@ import eu.kanade.presentation.browse.anime.components.BaseAnimeSourceItem
 import eu.kanade.presentation.components.AppBar
 import eu.kanade.presentation.more.settings.widget.SwitchPreferenceWidget
 import eu.kanade.tachiyomi.R
-import eu.kanade.tachiyomi.ui.browse.anime.source.AnimeSourcesFilterState
+import eu.kanade.tachiyomi.ui.browse.anime.source.AnimeSourcesFilterScreenModel
 import eu.kanade.tachiyomi.util.system.LocaleHelper
 import tachiyomi.domain.source.anime.model.AnimeSource
 import tachiyomi.presentation.core.components.FastScrollLazyColumn
@@ -22,7 +22,7 @@ import tachiyomi.presentation.core.screens.EmptyScreen
 @Composable
 fun AnimeSourcesFilterScreen(
     navigateUp: () -> Unit,
-    state: AnimeSourcesFilterState.Success,
+    state: AnimeSourcesFilterScreenModel.State.Success,
     onClickLanguage: (String) -> Unit,
     onClickSource: (AnimeSource) -> Unit,
 ) {
@@ -54,7 +54,7 @@ fun AnimeSourcesFilterScreen(
 @Composable
 private fun AnimeSourcesFilterContent(
     contentPadding: PaddingValues,
-    state: AnimeSourcesFilterState.Success,
+    state: AnimeSourcesFilterScreenModel.State.Success,
     onClickLanguage: (String) -> Unit,
     onClickSource: (AnimeSource) -> Unit,
 ) {

app/src/main/java/eu/kanade/presentation/browse/anime/AnimeSourcesScreen.kt

@@ -192,7 +192,7 @@ fun AnimeSourceOptionsDialog(
     )
 }
 
-sealed class AnimeSourceUiModel {
+sealed interface AnimeSourceUiModel {
-    data class Item(val source: AnimeSource) : AnimeSourceUiModel()
+    data class Item(val source: AnimeSource) : AnimeSourceUiModel
-    data class Header(val language: String) : AnimeSourceUiModel()
+    data class Header(val language: String) : AnimeSourceUiModel
 }

app/src/main/java/eu/kanade/presentation/browse/anime/MigrateAnimeScreen.kt

@@ -8,7 +8,7 @@ import androidx.compose.ui.Modifier
 import eu.kanade.presentation.components.AppBar
 import eu.kanade.presentation.entries.anime.components.BaseAnimeListItem
 import eu.kanade.tachiyomi.R
-import eu.kanade.tachiyomi.ui.browse.anime.migration.anime.MigrateAnimeState
+import eu.kanade.tachiyomi.ui.browse.anime.migration.anime.MigrateAnimeScreenModel
 import tachiyomi.domain.entries.anime.model.Anime
 import tachiyomi.presentation.core.components.FastScrollLazyColumn
 import tachiyomi.presentation.core.components.material.Scaffold
@@ -18,7 +18,7 @@ import tachiyomi.presentation.core.screens.EmptyScreen
 fun MigrateAnimeScreen(
     navigateUp: () -> Unit,
     title: String?,
-    state: MigrateAnimeState,
+    state: MigrateAnimeScreenModel.State,
     onClickItem: (Anime) -> Unit,
     onClickCover: (Anime) -> Unit,
 ) {
@@ -51,7 +51,7 @@ fun MigrateAnimeScreen(
 @Composable
 private fun MigrateAnimeContent(
     contentPadding: PaddingValues,
-    state: MigrateAnimeState,
+    state: MigrateAnimeScreenModel.State,
     onClickItem: (Anime) -> Unit,
     onClickCover: (Anime) -> Unit,
 ) {

app/src/main/java/eu/kanade/presentation/browse/anime/MigrateAnimeSourceScreen.kt

@@ -26,7 +26,7 @@ import eu.kanade.domain.source.service.SetMigrateSorting
 import eu.kanade.presentation.browse.anime.components.AnimeSourceIcon
 import eu.kanade.presentation.browse.anime.components.BaseAnimeSourceItem
 import eu.kanade.tachiyomi.R
-import eu.kanade.tachiyomi.ui.browse.anime.migration.sources.MigrateAnimeSourceState
+import eu.kanade.tachiyomi.ui.browse.anime.migration.sources.MigrateAnimeSourceScreenModel
 import eu.kanade.tachiyomi.util.system.copyToClipboard
 import tachiyomi.domain.source.anime.model.AnimeSource
 import tachiyomi.presentation.core.components.Badge
@@ -43,7 +43,7 @@ import tachiyomi.presentation.core.util.secondaryItemAlpha
 
 @Composable
 fun MigrateAnimeSourceScreen(
-    state: MigrateAnimeSourceState,
+    state: MigrateAnimeSourceScreenModel.State,
     contentPadding: PaddingValues,
     onClickItem: (AnimeSource) -> Unit,
     onToggleSortingDirection: () -> Unit,

app/src/main/java/eu/kanade/presentation/browse/anime/components/GlobalAnimeSearchToolbar.kt

@@ -14,14 +14,15 @@ import androidx.compose.material.icons.Icons
 import androidx.compose.material.icons.outlined.DoneAll
 import androidx.compose.material.icons.outlined.FilterList
 import androidx.compose.material.icons.outlined.PushPin
-import androidx.compose.material3.Divider
 import androidx.compose.material3.FilterChip
 import androidx.compose.material3.FilterChipDefaults
+import androidx.compose.material3.HorizontalDivider
 import androidx.compose.material3.Icon
 import androidx.compose.material3.LinearProgressIndicator
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.Text
 import androidx.compose.material3.TopAppBarScrollBehavior
+import androidx.compose.material3.VerticalDivider
 import androidx.compose.runtime.Composable
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
@@ -29,7 +30,6 @@ import androidx.compose.ui.res.stringResource
 import eu.kanade.presentation.components.SearchToolbar
 import eu.kanade.tachiyomi.R
 import eu.kanade.tachiyomi.ui.browse.anime.source.globalsearch.AnimeSourceFilter
-import tachiyomi.presentation.core.components.material.VerticalDivider
 import tachiyomi.presentation.core.components.material.padding
 
 @Composable
@@ -123,6 +123,6 @@ fun GlobalAnimeSearchToolbar(
             )
         }
 
-        Divider()
+        HorizontalDivider()
     }
 }

app/src/main/java/eu/kanade/presentation/browse/manga/MangaExtensionDetailsScreen.kt

@@ -23,6 +23,7 @@ import androidx.compose.material.icons.outlined.History
 import androidx.compose.material.icons.outlined.Settings
 import androidx.compose.material3.AlertDialog
 import androidx.compose.material3.Button
+import androidx.compose.material3.HorizontalDivider
 import androidx.compose.material3.Icon
 import androidx.compose.material3.IconButton
 import androidx.compose.material3.MaterialTheme
@@ -30,6 +31,7 @@ import androidx.compose.material3.OutlinedButton
 import androidx.compose.material3.Switch
 import androidx.compose.material3.Text
 import androidx.compose.material3.TextButton
+import androidx.compose.material3.VerticalDivider
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.getValue
 import androidx.compose.runtime.mutableStateOf
@@ -53,11 +55,9 @@ import eu.kanade.presentation.more.settings.widget.TrailingWidgetBuffer
 import eu.kanade.tachiyomi.R
 import eu.kanade.tachiyomi.extension.manga.model.MangaExtension
 import eu.kanade.tachiyomi.source.ConfigurableSource
-import eu.kanade.tachiyomi.ui.browse.manga.extension.details.MangaExtensionDetailsState
+import eu.kanade.tachiyomi.ui.browse.manga.extension.details.MangaExtensionDetailsScreenModel
 import eu.kanade.tachiyomi.util.system.LocaleHelper
 import tachiyomi.presentation.core.components.ScrollbarLazyColumn
-import tachiyomi.presentation.core.components.material.DIVIDER_ALPHA
-import tachiyomi.presentation.core.components.material.Divider
 import tachiyomi.presentation.core.components.material.Scaffold
 import tachiyomi.presentation.core.components.material.padding
 import tachiyomi.presentation.core.screens.EmptyScreen
@@ -65,7 +65,7 @@ import tachiyomi.presentation.core.screens.EmptyScreen
 @Composable
 fun ExtensionDetailsScreen(
     navigateUp: () -> Unit,
-    state: MangaExtensionDetailsState,
+    state: MangaExtensionDetailsScreenModel.State,
     onClickSourcePreferences: (sourceId: Long) -> Unit,
     onClickWhatsNew: () -> Unit,
     onClickReadme: () -> Unit,
@@ -314,7 +314,7 @@ private fun DetailsHeader(
             }
         }
 
-        Divider()
+        HorizontalDivider()
     }
 }
 
@@ -356,11 +356,8 @@ private fun InfoText(
 
 @Composable
 private fun InfoDivider() {
-    Divider(
+    VerticalDivider(
-        modifier = Modifier
+        modifier = Modifier.height(20.dp),
-            .height(20.dp)
-            .width(1.dp),
-        color = MaterialTheme.colorScheme.onSurface.copy(alpha = DIVIDER_ALPHA),
     )
 }
 

app/src/main/java/eu/kanade/presentation/browse/manga/MangaExtensionsScreen.kt

@@ -43,7 +43,7 @@ import eu.kanade.tachiyomi.R
 import eu.kanade.tachiyomi.extension.InstallStep
 import eu.kanade.tachiyomi.extension.manga.model.MangaExtension
 import eu.kanade.tachiyomi.ui.browse.manga.extension.MangaExtensionUiModel
-import eu.kanade.tachiyomi.ui.browse.manga.extension.MangaExtensionsState
+import eu.kanade.tachiyomi.ui.browse.manga.extension.MangaExtensionsScreenModel
 import eu.kanade.tachiyomi.util.system.LocaleHelper
 import tachiyomi.presentation.core.components.FastScrollLazyColumn
 import tachiyomi.presentation.core.components.material.PullRefresh
@@ -57,7 +57,7 @@ import tachiyomi.presentation.core.util.secondaryItemAlpha
 
 @Composable
 fun MangaExtensionScreen(
-    state: MangaExtensionsState,
+    state: MangaExtensionsScreenModel.State,
     contentPadding: PaddingValues,
     searchQuery: String?,
     onLongClickItem: (MangaExtension) -> Unit,
@@ -108,7 +108,7 @@ fun MangaExtensionScreen(
 
 @Composable
 private fun ExtensionContent(
-    state: MangaExtensionsState,
+    state: MangaExtensionsScreenModel.State,
     contentPadding: PaddingValues,
     onLongClickItem: (MangaExtension) -> Unit,
     onClickItemCancel: (MangaExtension) -> Unit,

app/src/main/java/eu/kanade/presentation/browse/manga/MangaSourcesFilterScreen.kt

@@ -12,7 +12,7 @@ import eu.kanade.presentation.browse.manga.components.BaseMangaSourceItem
 import eu.kanade.presentation.components.AppBar
 import eu.kanade.presentation.more.settings.widget.SwitchPreferenceWidget
 import eu.kanade.tachiyomi.R
-import eu.kanade.tachiyomi.ui.browse.manga.source.MangaSourcesFilterState
+import eu.kanade.tachiyomi.ui.browse.manga.source.SourcesFilterScreenModel
 import eu.kanade.tachiyomi.util.system.LocaleHelper
 import tachiyomi.domain.source.manga.model.Source
 import tachiyomi.presentation.core.components.FastScrollLazyColumn
@@ -22,7 +22,7 @@ import tachiyomi.presentation.core.screens.EmptyScreen
 @Composable
 fun MangaSourcesFilterScreen(
     navigateUp: () -> Unit,
-    state: MangaSourcesFilterState.Success,
+    state: SourcesFilterScreenModel.State.Success,
     onClickLanguage: (String) -> Unit,
     onClickSource: (Source) -> Unit,
 ) {
@@ -54,7 +54,7 @@ fun MangaSourcesFilterScreen(
 @Composable
 private fun SourcesFilterContent(
     contentPadding: PaddingValues,
-    state: MangaSourcesFilterState.Success,
+    state: SourcesFilterScreenModel.State.Success,
     onClickLanguage: (String) -> Unit,
     onClickSource: (Source) -> Unit,
 ) {

app/src/main/java/eu/kanade/presentation/browse/manga/MangaSourcesScreen.kt

@@ -210,7 +210,7 @@ fun MangaSourceOptionsDialog(
     )
 }
 
-sealed class MangaSourceUiModel {
+sealed interface MangaSourceUiModel {
-    data class Item(val source: Source) : MangaSourceUiModel()
+    data class Item(val source: Source) : MangaSourceUiModel
-    data class Header(val language: String) : MangaSourceUiModel()
+    data class Header(val language: String) : MangaSourceUiModel
 }

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

@@ -8,7 +8,7 @@ import androidx.compose.ui.Modifier
 import eu.kanade.presentation.components.AppBar
 import eu.kanade.presentation.entries.manga.components.BaseMangaListItem
 import eu.kanade.tachiyomi.R
-import eu.kanade.tachiyomi.ui.browse.manga.migration.manga.MigrateMangaState
+import eu.kanade.tachiyomi.ui.browse.manga.migration.manga.MigrateMangaScreenModel
 import tachiyomi.domain.entries.manga.model.Manga
 import tachiyomi.presentation.core.components.FastScrollLazyColumn
 import tachiyomi.presentation.core.components.material.Scaffold
@@ -18,7 +18,7 @@ import tachiyomi.presentation.core.screens.EmptyScreen
 fun MigrateMangaScreen(
     navigateUp: () -> Unit,
     title: String?,
-    state: MigrateMangaState,
+    state: MigrateMangaScreenModel.State,
     onClickItem: (Manga) -> Unit,
     onClickCover: (Manga) -> Unit,
 ) {
@@ -51,7 +51,7 @@ fun MigrateMangaScreen(
 @Composable
 private fun MigrateMangaContent(
     contentPadding: PaddingValues,
-    state: MigrateMangaState,
+    state: MigrateMangaScreenModel.State,
     onClickItem: (Manga) -> Unit,
     onClickCover: (Manga) -> Unit,
 ) {

app/src/main/java/eu/kanade/presentation/browse/manga/MigrateMangaSourceScreen.kt

@@ -26,7 +26,7 @@ import eu.kanade.domain.source.service.SetMigrateSorting
 import eu.kanade.presentation.browse.manga.components.BaseMangaSourceItem
 import eu.kanade.presentation.browse.manga.components.MangaSourceIcon
 import eu.kanade.tachiyomi.R
-import eu.kanade.tachiyomi.ui.browse.manga.migration.sources.MigrateMangaSourceState
+import eu.kanade.tachiyomi.ui.browse.manga.migration.sources.MigrateSourceScreenModel
 import eu.kanade.tachiyomi.util.system.copyToClipboard
 import tachiyomi.domain.source.manga.model.Source
 import tachiyomi.presentation.core.components.Badge
@@ -43,7 +43,7 @@ import tachiyomi.presentation.core.util.secondaryItemAlpha
 
 @Composable
 fun MigrateMangaSourceScreen(
-    state: MigrateMangaSourceState,
+    state: MigrateSourceScreenModel.State,
     contentPadding: PaddingValues,
     onClickItem: (Source) -> Unit,
     onToggleSortingDirection: () -> Unit,

app/src/main/java/eu/kanade/presentation/browse/manga/components/GlobalMangaSearchToolbar.kt

@@ -14,14 +14,15 @@ import androidx.compose.material.icons.Icons
 import androidx.compose.material.icons.outlined.DoneAll
 import androidx.compose.material.icons.outlined.FilterList
 import androidx.compose.material.icons.outlined.PushPin
-import androidx.compose.material3.Divider
 import androidx.compose.material3.FilterChip
 import androidx.compose.material3.FilterChipDefaults
+import androidx.compose.material3.HorizontalDivider
 import androidx.compose.material3.Icon
 import androidx.compose.material3.LinearProgressIndicator
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.Text
 import androidx.compose.material3.TopAppBarScrollBehavior
+import androidx.compose.material3.VerticalDivider
 import androidx.compose.runtime.Composable
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
@@ -29,7 +30,6 @@ import androidx.compose.ui.res.stringResource
 import eu.kanade.presentation.components.SearchToolbar
 import eu.kanade.tachiyomi.R
 import eu.kanade.tachiyomi.ui.browse.manga.source.globalsearch.MangaSourceFilter
-import tachiyomi.presentation.core.components.material.VerticalDivider
 import tachiyomi.presentation.core.components.material.padding
 
 @Composable
@@ -123,6 +123,6 @@ fun GlobalMangaSearchToolbar(
             )
         }
 
-        Divider()
+        HorizontalDivider()
     }
 }

app/src/main/java/eu/kanade/presentation/components/TabbedDialog.kt

@@ -10,6 +10,7 @@ import androidx.compose.foundation.pager.PagerState
 import androidx.compose.foundation.pager.rememberPagerState
 import androidx.compose.material.icons.Icons
 import androidx.compose.material.icons.filled.MoreVert
+import androidx.compose.material3.HorizontalDivider
 import androidx.compose.material3.Icon
 import androidx.compose.material3.IconButton
 import androidx.compose.material3.MaterialTheme
@@ -31,7 +32,6 @@ import androidx.compose.ui.util.fastForEachIndexed
 import eu.kanade.tachiyomi.R
 import kotlinx.coroutines.launch
 import tachiyomi.presentation.core.components.HorizontalPager
-import tachiyomi.presentation.core.components.material.Divider
 import tachiyomi.presentation.core.components.material.TabIndicator
 
 object TabbedDialogPaddings {
@@ -87,7 +87,7 @@ fun TabbedDialog(
 
                 MoreMenu(onOverflowMenuClicked, tabOverflowMenuContent, overflowIcon)
             }
-            Divider()
+            HorizontalDivider()
 
             HorizontalPager(
                 modifier = Modifier.animateContentSize(),

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

@@ -72,7 +72,7 @@ import eu.kanade.tachiyomi.animesource.model.SAnime
 import eu.kanade.tachiyomi.data.download.anime.model.AnimeDownload
 import eu.kanade.tachiyomi.source.anime.getNameForAnimeInfo
 import eu.kanade.tachiyomi.ui.browse.anime.extension.details.SourcePreferencesScreen
-import eu.kanade.tachiyomi.ui.entries.anime.AnimeScreenState
+import eu.kanade.tachiyomi.ui.entries.anime.AnimeScreenModel
 import eu.kanade.tachiyomi.ui.entries.anime.EpisodeItem
 import eu.kanade.tachiyomi.util.lang.toRelativeString
 import eu.kanade.tachiyomi.util.system.copyToClipboard
@@ -95,7 +95,7 @@ import java.util.concurrent.TimeUnit
 
 @Composable
 fun AnimeScreen(
-    state: AnimeScreenState.Success,
+    state: AnimeScreenModel.State.Success,
     snackbarHostState: SnackbarHostState,
     dateRelativeTime: Int,
     dateFormat: DateFormat,
@@ -240,7 +240,7 @@ fun AnimeScreen(
 @OptIn(ExperimentalMaterial3Api::class)
 @Composable
 private fun AnimeScreenSmallImpl(
-    state: AnimeScreenState.Success,
+    state: AnimeScreenModel.State.Success,
     snackbarHostState: SnackbarHostState,
     dateRelativeTime: Int,
     dateFormat: DateFormat,
@@ -506,7 +506,7 @@ private fun AnimeScreenSmallImpl(
 @OptIn(ExperimentalMaterial3Api::class)
 @Composable
 fun AnimeScreenLargeImpl(
-    state: AnimeScreenState.Success,
+    state: AnimeScreenModel.State.Success,
     snackbarHostState: SnackbarHostState,
     dateRelativeTime: Int,
     dateFormat: DateFormat,

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

@@ -68,7 +68,7 @@ import eu.kanade.tachiyomi.source.ConfigurableSource
 import eu.kanade.tachiyomi.source.manga.getNameForMangaInfo
 import eu.kanade.tachiyomi.ui.browse.manga.extension.details.MangaSourcePreferencesScreen
 import eu.kanade.tachiyomi.ui.entries.manga.ChapterItem
-import eu.kanade.tachiyomi.ui.entries.manga.MangaScreenState
+import eu.kanade.tachiyomi.ui.entries.manga.MangaScreenModel
 import eu.kanade.tachiyomi.util.lang.toRelativeString
 import eu.kanade.tachiyomi.util.system.copyToClipboard
 import tachiyomi.domain.entries.manga.model.Manga
@@ -88,7 +88,7 @@ import java.util.Date
 
 @Composable
 fun MangaScreen(
-    state: MangaScreenState.Success,
+    state: MangaScreenModel.State.Success,
     snackbarHostState: SnackbarHostState,
     dateRelativeTime: Int,
     dateFormat: DateFormat,
@@ -223,7 +223,7 @@ fun MangaScreen(
 
 @Composable
 private fun MangaScreenSmallImpl(
-    state: MangaScreenState.Success,
+    state: MangaScreenModel.State.Success,
     snackbarHostState: SnackbarHostState,
     dateRelativeTime: Int,
     dateFormat: DateFormat,
@@ -454,7 +454,7 @@ private fun MangaScreenSmallImpl(
 
 @Composable
 fun MangaScreenLargeImpl(
-    state: MangaScreenState.Success,
+    state: MangaScreenModel.State.Success,
     snackbarHostState: SnackbarHostState,
     dateRelativeTime: Int,
     dateFormat: DateFormat,

app/src/main/java/eu/kanade/presentation/history/anime/AnimeHistoryScreen.kt

@@ -9,7 +9,6 @@ import androidx.compose.ui.Modifier
 import eu.kanade.presentation.animehistory.components.AnimeHistoryContent
 import eu.kanade.tachiyomi.R
 import eu.kanade.tachiyomi.ui.history.anime.AnimeHistoryScreenModel
-import eu.kanade.tachiyomi.ui.history.anime.AnimeHistoryState
 import tachiyomi.domain.history.anime.model.AnimeHistoryWithRelations
 import tachiyomi.presentation.core.components.material.Scaffold
 import tachiyomi.presentation.core.screens.EmptyScreen
@@ -18,7 +17,7 @@ import java.util.Date
 
 @Composable
 fun AnimeHistoryScreen(
-    state: AnimeHistoryState,
+    state: AnimeHistoryScreenModel.State,
     contentPadding: PaddingValues,
     searchQuery: String? = null,
     snackbarHostState: SnackbarHostState,
@@ -55,7 +54,7 @@ fun AnimeHistoryScreen(
     }
 }
 
-sealed class AnimeHistoryUiModel {
+sealed interface AnimeHistoryUiModel {
-    data class Header(val date: Date) : AnimeHistoryUiModel()
+    data class Header(val date: Date) : AnimeHistoryUiModel
-    data class Item(val item: AnimeHistoryWithRelations) : AnimeHistoryUiModel()
+    data class Item(val item: AnimeHistoryWithRelations) : AnimeHistoryUiModel
 }

app/src/main/java/eu/kanade/presentation/history/manga/MangaHistoryScreen.kt

@@ -7,7 +7,6 @@ import androidx.compose.material3.SnackbarHostState
 import androidx.compose.runtime.Composable
 import androidx.compose.ui.Modifier
 import eu.kanade.tachiyomi.R
-import eu.kanade.tachiyomi.ui.history.manga.HistoryState
 import eu.kanade.tachiyomi.ui.history.manga.MangaHistoryScreenModel
 import tachiyomi.domain.history.manga.model.MangaHistoryWithRelations
 import tachiyomi.presentation.core.components.material.Scaffold
@@ -17,7 +16,7 @@ import java.util.Date
 
 @Composable
 fun MangaHistoryScreen(
-    state: HistoryState,
+    state: MangaHistoryScreenModel.State,
     contentPadding: PaddingValues,
     searchQuery: String? = null,
     snackbarHostState: SnackbarHostState,
@@ -54,7 +53,7 @@ fun MangaHistoryScreen(
     }
 }
 
-sealed class MangaHistoryUiModel {
+sealed interface MangaHistoryUiModel {
-    data class Header(val date: Date) : MangaHistoryUiModel()
+    data class Header(val date: Date) : MangaHistoryUiModel
-    data class Item(val item: MangaHistoryWithRelations) : MangaHistoryUiModel()
+    data class Item(val item: MangaHistoryWithRelations) : MangaHistoryUiModel
 }

app/src/main/java/eu/kanade/presentation/library/LibraryTabs.kt

@@ -2,6 +2,7 @@ package eu.kanade.presentation.library
 
 import androidx.compose.foundation.layout.Column
 import androidx.compose.foundation.pager.PagerState
+import androidx.compose.material3.HorizontalDivider
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.ScrollableTabRow
 import androidx.compose.material3.Tab
@@ -9,7 +10,6 @@ import androidx.compose.runtime.Composable
 import androidx.compose.ui.unit.dp
 import eu.kanade.presentation.category.visualName
 import tachiyomi.domain.category.model.Category
-import tachiyomi.presentation.core.components.material.Divider
 import tachiyomi.presentation.core.components.material.TabIndicator
 import tachiyomi.presentation.core.components.material.TabText
 
@@ -44,6 +44,6 @@ fun LibraryTabs(
             }
         }
 
-        Divider()
+        HorizontalDivider()
     }
 }

app/src/main/java/eu/kanade/presentation/more/LogoHeader.kt

@@ -4,6 +4,7 @@ import androidx.compose.foundation.layout.Column
 import androidx.compose.foundation.layout.fillMaxWidth
 import androidx.compose.foundation.layout.padding
 import androidx.compose.foundation.layout.size
+import androidx.compose.material3.HorizontalDivider
 import androidx.compose.material3.Icon
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.runtime.Composable
@@ -12,7 +13,6 @@ import androidx.compose.ui.Modifier
 import androidx.compose.ui.res.painterResource
 import androidx.compose.ui.unit.dp
 import eu.kanade.tachiyomi.R
-import tachiyomi.presentation.core.components.material.Divider
 
 @Composable
 fun LogoHeader() {
@@ -29,6 +29,6 @@ fun LogoHeader() {
                 .size(64.dp),
         )
 
-        Divider()
+        HorizontalDivider()
     }
 }

app/src/main/java/eu/kanade/presentation/more/MoreScreen.kt

@@ -20,6 +20,7 @@ import androidx.compose.material.icons.outlined.QueryStats
 import androidx.compose.material.icons.outlined.Settings
 import androidx.compose.material.icons.outlined.SettingsBackupRestore
 import androidx.compose.material.icons.outlined.Storage
+import androidx.compose.material3.HorizontalDivider
 import androidx.compose.runtime.Composable
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.graphics.vector.ImageVector
@@ -35,7 +36,6 @@ import eu.kanade.tachiyomi.core.Constants
 import eu.kanade.tachiyomi.ui.more.DownloadQueueState
 import tachiyomi.domain.library.service.LibraryPreferences
 import tachiyomi.presentation.core.components.ScrollbarLazyColumn
-import tachiyomi.presentation.core.components.material.Divider
 import tachiyomi.presentation.core.components.material.Scaffold
 import uy.kohesive.injekt.injectLazy
 
@@ -101,7 +101,7 @@ fun MoreScreen(
                 )
             }
 
-            item { Divider() }
+            item { HorizontalDivider() }
 
             val libraryPreferences: LibraryPreferences by injectLazy()
 
@@ -182,7 +182,7 @@ fun MoreScreen(
                 )
             }
 
-            item { Divider() }
+            item { HorizontalDivider() }
 
             item {
                 TextPreferenceWidget(

app/src/main/java/eu/kanade/presentation/more/settings/PreferenceItem.kt

@@ -13,8 +13,6 @@ import androidx.compose.runtime.rememberCoroutineScope
 import androidx.compose.runtime.structuralEqualityPolicy
 import androidx.compose.ui.unit.dp
 import eu.kanade.domain.track.service.TrackPreferences
-import eu.kanade.domain.ui.UiPreferences
-import eu.kanade.presentation.more.settings.widget.AppThemePreferenceWidget
 import eu.kanade.presentation.more.settings.widget.EditTextPreferenceWidget
 import eu.kanade.presentation.more.settings.widget.InfoWidget
 import eu.kanade.presentation.more.settings.widget.ListPreferenceWidget
@@ -173,16 +171,6 @@ internal fun PreferenceItem(
                     singleLine = false,
                 )
             }
-            is Preference.PreferenceItem.AppThemePreference -> {
-                val value by item.pref.collectAsState()
-                val amoled by Injekt.get<UiPreferences>().themeDarkAmoled().collectAsState()
-                AppThemePreferenceWidget(
-                    title = item.title,
-                    value = value,
-                    amoled = amoled,
-                    onItemClick = { scope.launch { item.pref.set(it) } },
-                )
-            }
             is Preference.PreferenceItem.TrackingPreference -> {
                 val uName by Injekt.get<PreferenceStore>()
                     .getString(TrackPreferences.trackUsername(item.service.id))
@@ -198,6 +186,9 @@ internal fun PreferenceItem(
             is Preference.PreferenceItem.InfoPreference -> {
                 InfoWidget(text = item.title)
             }
+            is Preference.PreferenceItem.CustomPreference -> {
+                item.content(item)
+            }
         }
     }
 }

app/src/main/java/eu/kanade/presentation/more/settings/PreferenceModel.kt

@@ -4,7 +4,6 @@ import androidx.compose.runtime.Composable
 import androidx.compose.runtime.remember
 import androidx.compose.ui.graphics.vector.ImageVector
 import androidx.compose.ui.res.stringResource
-import eu.kanade.domain.ui.model.AppTheme
 import eu.kanade.tachiyomi.R
 import eu.kanade.tachiyomi.data.track.TrackService
 import tachiyomi.core.preference.Preference as PreferenceData
@@ -144,19 +143,6 @@ sealed class Preference {
             override val onValueChanged: suspend (newValue: String) -> Boolean = { true },
         ) : PreferenceItem<String>()
 
-        /**
-         * A [PreferenceItem] that shows previews of [AppTheme] selection.
-         */
-        data class AppThemePreference(
-            val pref: PreferenceData<AppTheme>,
-            override val title: String,
-        ) : PreferenceItem<AppTheme>() {
-            override val enabled: Boolean = true
-            override val subtitle: String? = null
-            override val icon: ImageVector? = null
-            override val onValueChanged: suspend (newValue: AppTheme) -> Boolean = { true }
-        }
-
         /**
          * A [PreferenceItem] for individual tracking service.
          */
@@ -180,6 +166,16 @@ sealed class Preference {
             override val icon: ImageVector? = null
             override val onValueChanged: suspend (newValue: String) -> Boolean = { true }
         }
+
+        data class CustomPreference(
+            override val title: String,
+            val content: @Composable (PreferenceItem<String>) -> Unit,
+        ) : PreferenceItem<String>() {
+            override val enabled: Boolean = true
+            override val subtitle: String? = null
+            override val icon: ImageVector? = null
+            override val onValueChanged: suspend (newValue: String) -> Boolean = { true }
+        }
     }
 
     data class PreferenceGroup(

app/src/main/java/eu/kanade/presentation/more/settings/screen/SettingsAppearanceScreen.kt

@@ -21,6 +21,7 @@ import eu.kanade.domain.ui.model.TabletUiMode
 import eu.kanade.domain.ui.model.ThemeMode
 import eu.kanade.domain.ui.model.setAppCompatDelegateThemeMode
 import eu.kanade.presentation.more.settings.Preference
+import eu.kanade.presentation.more.settings.widget.AppThemePreferenceWidget
 import eu.kanade.tachiyomi.R
 import eu.kanade.tachiyomi.ui.home.HomeScreen
 import eu.kanade.tachiyomi.util.system.LocaleHelper
@@ -61,8 +62,11 @@ object SettingsAppearanceScreen : SearchableSettings {
     ): Preference.PreferenceGroup {
         val themeModePref = uiPreferences.themeMode()
         val themeMode by themeModePref.collectAsState()
+
         val appThemePref = uiPreferences.appTheme()
+
         val amoledPref = uiPreferences.themeDarkAmoled()
+        val amoled by amoledPref.collectAsState()
 
         LaunchedEffect(themeMode) {
             setAppCompatDelegateThemeMode(themeMode)
@@ -93,10 +97,17 @@ object SettingsAppearanceScreen : SearchableSettings {
                         )
                     },
                 ),
-                Preference.PreferenceItem.AppThemePreference(
+                Preference.PreferenceItem.CustomPreference(
                     title = stringResource(R.string.pref_app_theme),
-                    pref = appThemePref,
+                ) { item ->
-                ),
+                    val value by appThemePref.collectAsState()
+                    AppThemePreferenceWidget(
+                        title = item.title,
+                        value = value,
+                        amoled = amoled,
+                        onItemClick = { appThemePref.set(it) },
+                    )
+                },
                 Preference.PreferenceItem.SwitchPreference(
                     pref = amoledPref,
                     title = stringResource(R.string.pref_dark_theme_pure_black),

app/src/main/java/eu/kanade/presentation/more/settings/screen/SettingsBackupScreen.kt

@@ -20,6 +20,7 @@ import androidx.compose.foundation.rememberScrollState
 import androidx.compose.foundation.verticalScroll
 import androidx.compose.material3.AlertDialog
 import androidx.compose.material3.Checkbox
+import androidx.compose.material3.HorizontalDivider
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.Text
 import androidx.compose.material3.TextButton
@@ -62,7 +63,6 @@ import tachiyomi.domain.backup.service.FLAG_HISTORY
 import tachiyomi.domain.backup.service.FLAG_SETTINGS
 import tachiyomi.domain.backup.service.FLAG_TRACK
 import tachiyomi.presentation.core.components.ScrollbarLazyColumn
-import tachiyomi.presentation.core.components.material.Divider
 import tachiyomi.presentation.core.util.collectAsState
 import tachiyomi.presentation.core.util.isScrolledToEnd
 import tachiyomi.presentation.core.util.isScrolledToStart
@@ -197,8 +197,8 @@ object SettingsBackupScreen : SearchableSettings {
                             }
                         }
                     }
-                    if (!state.isScrolledToStart()) Divider(modifier = Modifier.align(Alignment.TopCenter))
+                    if (!state.isScrolledToStart()) HorizontalDivider(modifier = Modifier.align(Alignment.TopCenter))
-                    if (!state.isScrolledToEnd()) Divider(modifier = Modifier.align(Alignment.BottomCenter))
+                    if (!state.isScrolledToEnd()) HorizontalDivider(modifier = Modifier.align(Alignment.BottomCenter))
                 }
             },
             dismissButton = {

app/src/main/java/eu/kanade/presentation/more/settings/screen/SettingsSearchScreen.kt

@@ -17,6 +17,7 @@ import androidx.compose.foundation.text.KeyboardActions
 import androidx.compose.foundation.text.KeyboardOptions
 import androidx.compose.material.icons.Icons
 import androidx.compose.material.icons.outlined.Close
+import androidx.compose.material3.HorizontalDivider
 import androidx.compose.material3.Icon
 import androidx.compose.material3.IconButton
 import androidx.compose.material3.MaterialTheme
@@ -53,7 +54,6 @@ import eu.kanade.presentation.components.UpIcon
 import eu.kanade.presentation.more.settings.Preference
 import eu.kanade.presentation.util.Screen
 import eu.kanade.tachiyomi.R
-import tachiyomi.presentation.core.components.material.Divider
 import tachiyomi.presentation.core.components.material.Scaffold
 import tachiyomi.presentation.core.screens.EmptyScreen
 import tachiyomi.presentation.core.util.runOnEnterKeyPressed
@@ -138,7 +138,7 @@ class SettingsSearchScreen : Screen() {
                             }
                         },
                     )
-                    Divider()
+                    HorizontalDivider()
                 }
             },
         ) { contentPadding ->

app/src/main/java/eu/kanade/presentation/more/settings/screen/advanced/ClearAnimeDatabaseScreen.kt

@@ -15,10 +15,12 @@ import androidx.compose.material.icons.outlined.SelectAll
 import androidx.compose.material3.AlertDialog
 import androidx.compose.material3.Button
 import androidx.compose.material3.Checkbox
+import androidx.compose.material3.HorizontalDivider
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.Text
 import androidx.compose.material3.TextButton
 import androidx.compose.runtime.Composable
+import androidx.compose.runtime.Immutable
 import androidx.compose.runtime.collectAsState
 import androidx.compose.runtime.getValue
 import androidx.compose.runtime.rememberCoroutineScope
@@ -48,7 +50,6 @@ import tachiyomi.domain.source.anime.interactor.GetAnimeSourcesWithNonLibraryAni
 import tachiyomi.domain.source.anime.model.AnimeSource
 import tachiyomi.domain.source.anime.model.AnimeSourceWithCount
 import tachiyomi.mi.data.AnimeDatabase
-import tachiyomi.presentation.core.components.material.Divider
 import tachiyomi.presentation.core.components.material.Scaffold
 import tachiyomi.presentation.core.screens.EmptyScreen
 import tachiyomi.presentation.core.screens.LoadingScreen
@@ -148,7 +149,7 @@ class ClearAnimeDatabaseScreen : Screen() {
                                 }
                             }
 
-                            Divider()
+                            HorizontalDivider()
 
                             Button(
                                 modifier = Modifier
@@ -269,12 +270,15 @@ private class ClearAnimeDatabaseScreenModel : StateScreenModel<ClearAnimeDatabas
         state.copy(showConfirmation = false)
     }
 
-    sealed class State {
+    sealed interface State {
-        data object Loading : State()
+        @Immutable
+        data object Loading : State
+
+        @Immutable
         data class Ready(
             val items: List<AnimeSourceWithCount>,
             val selection: List<Long> = emptyList(),
             val showConfirmation: Boolean = false,
-        ) : State()
+        ) : State
     }
 }

app/src/main/java/eu/kanade/presentation/more/settings/screen/advanced/ClearDatabaseScreen.kt

@@ -15,10 +15,12 @@ import androidx.compose.material.icons.outlined.SelectAll
 import androidx.compose.material3.AlertDialog
 import androidx.compose.material3.Button
 import androidx.compose.material3.Checkbox
+import androidx.compose.material3.HorizontalDivider
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.Text
 import androidx.compose.material3.TextButton
 import androidx.compose.runtime.Composable
+import androidx.compose.runtime.Immutable
 import androidx.compose.runtime.collectAsState
 import androidx.compose.runtime.getValue
 import androidx.compose.runtime.rememberCoroutineScope
@@ -48,7 +50,6 @@ import tachiyomi.data.Database
 import tachiyomi.domain.source.manga.interactor.GetMangaSourcesWithNonLibraryManga
 import tachiyomi.domain.source.manga.model.MangaSourceWithCount
 import tachiyomi.domain.source.manga.model.Source
-import tachiyomi.presentation.core.components.material.Divider
 import tachiyomi.presentation.core.components.material.Scaffold
 import tachiyomi.presentation.core.screens.EmptyScreen
 import tachiyomi.presentation.core.screens.LoadingScreen
@@ -148,7 +149,7 @@ class ClearDatabaseScreen : Screen() {
                                 }
                             }
 
-                            Divider()
+                            HorizontalDivider()
 
                             Button(
                                 modifier = Modifier
@@ -269,12 +270,15 @@ private class ClearDatabaseScreenModel : StateScreenModel<ClearDatabaseScreenMod
         state.copy(showConfirmation = false)
     }
 
-    sealed class State {
+    sealed interface State {
-        data object Loading : State()
+        @Immutable
+        data object Loading : State
+
+        @Immutable
         data class Ready(
             val items: List<MangaSourceWithCount>,
             val selection: List<Long> = emptyList(),
             val showConfirmation: Boolean = false,
-        ) : State()
+        ) : State
     }
 }

app/src/main/java/eu/kanade/presentation/more/settings/widget/AppThemePreferenceWidget.kt

@@ -22,6 +22,7 @@ import androidx.compose.foundation.shape.CircleShape
 import androidx.compose.foundation.shape.RoundedCornerShape
 import androidx.compose.material.icons.Icons
 import androidx.compose.material.icons.filled.CheckCircle
+import androidx.compose.material3.DividerDefaults
 import androidx.compose.material3.Icon
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.Surface
@@ -44,7 +45,6 @@ import eu.kanade.presentation.theme.TachiyomiTheme
 import eu.kanade.tachiyomi.R
 import eu.kanade.tachiyomi.util.system.DeviceUtil
 import eu.kanade.tachiyomi.util.system.isDynamicColorAvailable
-import tachiyomi.presentation.core.components.material.DIVIDER_ALPHA
 import tachiyomi.presentation.core.components.material.padding
 import tachiyomi.presentation.core.util.ThemePreviews
 import tachiyomi.presentation.core.util.secondaryItemAlpha
@@ -123,7 +123,6 @@ fun AppThemePreviewItem(
     selected: Boolean,
     onClick: () -> Unit,
 ) {
-    val dividerColor = MaterialTheme.colorScheme.onSurface.copy(alpha = DIVIDER_ALPHA)
     Column(
         modifier = Modifier
             .fillMaxWidth()
@@ -133,7 +132,7 @@ fun AppThemePreviewItem(
                 color = if (selected) {
                     MaterialTheme.colorScheme.primary
                 } else {
-                    dividerColor
+                    DividerDefaults.color
                 },
                 shape = RoundedCornerShape(17.dp),
             )
@@ -180,7 +179,7 @@ fun AppThemePreviewItem(
             modifier = Modifier
                 .padding(start = 8.dp, top = 2.dp)
                 .background(
-                    color = dividerColor,
+                    color = DividerDefaults.color,
                     shape = MaterialTheme.shapes.small,
                 )
                 .fillMaxWidth(0.5f)

app/src/main/java/eu/kanade/presentation/more/settings/widget/ListPreferenceWidget.kt

@@ -8,6 +8,7 @@ import androidx.compose.foundation.lazy.rememberLazyListState
 import androidx.compose.foundation.selection.selectable
 import androidx.compose.material.minimumInteractiveComponentSize
 import androidx.compose.material3.AlertDialog
+import androidx.compose.material3.HorizontalDivider
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.RadioButton
 import androidx.compose.material3.Text
@@ -25,7 +26,6 @@ import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.unit.dp
 import eu.kanade.tachiyomi.R
 import tachiyomi.presentation.core.components.ScrollbarLazyColumn
-import tachiyomi.presentation.core.components.material.Divider
 import tachiyomi.presentation.core.util.isScrolledToEnd
 import tachiyomi.presentation.core.util.isScrolledToStart
 
@@ -69,8 +69,8 @@ fun <T> ListPreferenceWidget(
                             }
                         }
                     }
-                    if (!state.isScrolledToStart()) Divider(modifier = Modifier.align(Alignment.TopCenter))
+                    if (!state.isScrolledToStart()) HorizontalDivider(modifier = Modifier.align(Alignment.TopCenter))
-                    if (!state.isScrolledToEnd()) Divider(modifier = Modifier.align(Alignment.BottomCenter))
+                    if (!state.isScrolledToEnd()) HorizontalDivider(modifier = Modifier.align(Alignment.BottomCenter))
                 }
             },
             confirmButton = {

app/src/main/java/eu/kanade/presentation/more/settings/widget/TriStateListDialog.kt

@@ -15,6 +15,7 @@ import androidx.compose.material.icons.rounded.CheckBox
 import androidx.compose.material.icons.rounded.CheckBoxOutlineBlank
 import androidx.compose.material.icons.rounded.DisabledByDefault
 import androidx.compose.material3.AlertDialog
+import androidx.compose.material3.HorizontalDivider
 import androidx.compose.material3.Icon
 import androidx.compose.material3.LocalContentColor
 import androidx.compose.material3.MaterialTheme
@@ -29,7 +30,6 @@ import androidx.compose.ui.draw.clip
 import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.unit.dp
 import eu.kanade.tachiyomi.R
-import tachiyomi.presentation.core.components.material.Divider
 import tachiyomi.presentation.core.util.isScrolledToEnd
 import tachiyomi.presentation.core.util.isScrolledToStart
 
@@ -115,8 +115,8 @@ fun <T> TriStateListDialog(
                         }
                     }
 
-                    if (!listState.isScrolledToStart()) Divider(modifier = Modifier.align(Alignment.TopCenter))
+                    if (!listState.isScrolledToStart()) HorizontalDivider(modifier = Modifier.align(Alignment.TopCenter))
-                    if (!listState.isScrolledToEnd()) Divider(modifier = Modifier.align(Alignment.BottomCenter))
+                    if (!listState.isScrolledToEnd()) HorizontalDivider(modifier = Modifier.align(Alignment.BottomCenter))
                 }
             }
         },

app/src/main/java/eu/kanade/presentation/more/stats/StatsScreenState.kt

@@ -3,9 +3,9 @@ package eu.kanade.presentation.more.stats
 import androidx.compose.runtime.Immutable
 import eu.kanade.presentation.more.stats.data.StatsData
 
-sealed class StatsScreenState {
+sealed interface StatsScreenState {
     @Immutable
-    data object Loading : StatsScreenState()
+    data object Loading : StatsScreenState
 
     @Immutable
     data class SuccessManga(
@@ -13,7 +13,7 @@ sealed class StatsScreenState {
         val titles: StatsData.MangaTitles,
         val chapters: StatsData.Chapters,
         val trackers: StatsData.Trackers,
-    ) : StatsScreenState()
+    ) : StatsScreenState
 
     @Immutable
     data class SuccessAnime(
@@ -21,5 +21,5 @@ sealed class StatsScreenState {
         val titles: StatsData.AnimeTitles,
         val episodes: StatsData.Episodes,
         val trackers: StatsData.Trackers,
-    ) : StatsScreenState()
+    ) : StatsScreenState
 }

app/src/main/java/eu/kanade/presentation/more/stats/data/StatsData.kt

@@ -1,46 +1,46 @@
 package eu.kanade.presentation.more.stats.data
 
-sealed class StatsData {
+sealed interface StatsData {
 
     data class MangaOverview(
         val libraryMangaCount: Int,
         val completedMangaCount: Int,
         val totalReadDuration: Long,
-    ) : StatsData()
+    ) : StatsData
 
     data class AnimeOverview(
         val libraryAnimeCount: Int,
         val completedAnimeCount: Int,
         val totalSeenDuration: Long,
-    ) : StatsData()
+    ) : StatsData
 
     data class MangaTitles(
         val globalUpdateItemCount: Int,
         val startedMangaCount: Int,
         val localMangaCount: Int,
-    ) : StatsData()
+    ) : StatsData
 
     data class AnimeTitles(
         val globalUpdateItemCount: Int,
         val startedAnimeCount: Int,
         val localAnimeCount: Int,
-    ) : StatsData()
+    ) : StatsData
 
     data class Chapters(
         val totalChapterCount: Int,
         val readChapterCount: Int,
         val downloadCount: Int,
-    ) : StatsData()
+    ) : StatsData
 
     data class Episodes(
         val totalEpisodeCount: Int,
         val readEpisodeCount: Int,
         val downloadCount: Int,
-    ) : StatsData()
+    ) : StatsData
 
     data class Trackers(
         val trackedTitleCount: Int,
         val meanScore: Double,
         val trackerCount: Int,
-    ) : StatsData()
+    ) : StatsData
 }

app/src/main/java/eu/kanade/presentation/track/TrackInfoDialogSelector.kt

@@ -17,6 +17,7 @@ import androidx.compose.foundation.selection.selectable
 import androidx.compose.foundation.shape.RoundedCornerShape
 import androidx.compose.material.minimumInteractiveComponentSize
 import androidx.compose.material3.DatePicker
+import androidx.compose.material3.HorizontalDivider
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.RadioButton
 import androidx.compose.material3.SelectableDates
@@ -36,7 +37,6 @@ import tachiyomi.presentation.core.components.ScrollbarLazyColumn
 import tachiyomi.presentation.core.components.WheelNumberPicker
 import tachiyomi.presentation.core.components.WheelTextPicker
 import tachiyomi.presentation.core.components.material.AlertDialogContent
-import tachiyomi.presentation.core.components.material.Divider
 import tachiyomi.presentation.core.components.material.padding
 import tachiyomi.presentation.core.util.isScrolledToEnd
 import tachiyomi.presentation.core.util.isScrolledToStart
@@ -81,8 +81,8 @@ fun TrackStatusSelector(
                     }
                 }
             }
-            if (!state.isScrolledToStart()) Divider(modifier = Modifier.align(Alignment.TopCenter))
+            if (!state.isScrolledToStart()) HorizontalDivider(modifier = Modifier.align(Alignment.TopCenter))
-            if (!state.isScrolledToEnd()) Divider(modifier = Modifier.align(Alignment.BottomCenter))
+            if (!state.isScrolledToEnd()) HorizontalDivider(modifier = Modifier.align(Alignment.BottomCenter))
         },
         onConfirm = onConfirm,
         onDismissRequest = onDismissRequest,

app/src/main/java/eu/kanade/presentation/track/anime/AnimeTrackInfoDialogHome.kt

@@ -18,9 +18,11 @@ import androidx.compose.foundation.layout.windowInsetsPadding
 import androidx.compose.foundation.rememberScrollState
 import androidx.compose.foundation.shape.RoundedCornerShape
 import androidx.compose.foundation.verticalScroll
+import androidx.compose.material3.HorizontalDivider
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.Text
 import androidx.compose.material3.TextButton
+import androidx.compose.material3.VerticalDivider
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.remember
 import androidx.compose.ui.Alignment
@@ -39,8 +41,6 @@ import eu.kanade.tachiyomi.R
 import eu.kanade.tachiyomi.data.track.TrackService
 import eu.kanade.tachiyomi.ui.entries.anime.track.AnimeTrackItem
 import eu.kanade.tachiyomi.util.system.copyToClipboard
-import tachiyomi.presentation.core.components.material.Divider
-import tachiyomi.presentation.core.components.material.VerticalDivider
 import java.text.DateFormat
 
 private const val UnsetStatusTextAlpha = 0.5F
@@ -200,7 +200,7 @@ private fun TrackInfoItem(
                 }
 
                 if (onStartDateClick != null && onEndDateClick != null) {
-                    Divider()
+                    HorizontalDivider()
                     Row(modifier = Modifier.height(IntrinsicSize.Min)) {
                         TrackDetailsItem(
                             modifier = Modifier.weight(1F),

app/src/main/java/eu/kanade/presentation/track/anime/AnimeTrackServiceSearch.kt

@@ -22,6 +22,7 @@ import androidx.compose.material.icons.filled.ArrowBack
 import androidx.compose.material.icons.filled.Close
 import androidx.compose.material3.Button
 import androidx.compose.material3.ButtonDefaults
+import androidx.compose.material3.HorizontalDivider
 import androidx.compose.material3.Icon
 import androidx.compose.material3.IconButton
 import androidx.compose.material3.MaterialTheme
@@ -45,7 +46,6 @@ import eu.kanade.presentation.track.manga.SearchResultItem
 import eu.kanade.tachiyomi.R
 import eu.kanade.tachiyomi.data.track.model.AnimeTrackSearch
 import tachiyomi.presentation.core.components.ScrollbarLazyColumn
-import tachiyomi.presentation.core.components.material.Divider
 import tachiyomi.presentation.core.components.material.Scaffold
 import tachiyomi.presentation.core.screens.EmptyScreen
 import tachiyomi.presentation.core.screens.LoadingScreen
@@ -126,7 +126,7 @@ fun AnimeTrackServiceSearch(
                         }
                     },
                 )
-                Divider()
+                HorizontalDivider()
             }
         },
         bottomBar = {

app/src/main/java/eu/kanade/presentation/track/manga/MangaTrackInfoDialogHome.kt

@@ -24,11 +24,13 @@ import androidx.compose.foundation.verticalScroll
 import androidx.compose.material.icons.Icons
 import androidx.compose.material.icons.filled.MoreVert
 import androidx.compose.material3.DropdownMenuItem
+import androidx.compose.material3.HorizontalDivider
 import androidx.compose.material3.Icon
 import androidx.compose.material3.IconButton
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.Text
 import androidx.compose.material3.TextButton
+import androidx.compose.material3.VerticalDivider
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.getValue
 import androidx.compose.runtime.mutableStateOf
@@ -50,8 +52,6 @@ import eu.kanade.tachiyomi.R
 import eu.kanade.tachiyomi.data.track.TrackService
 import eu.kanade.tachiyomi.ui.entries.manga.track.MangaTrackItem
 import eu.kanade.tachiyomi.util.system.copyToClipboard
-import tachiyomi.presentation.core.components.material.Divider
-import tachiyomi.presentation.core.components.material.VerticalDivider
 import java.text.DateFormat
 
 private const val UnsetStatusTextAlpha = 0.5F
@@ -211,7 +211,7 @@ private fun TrackInfoItem(
                 }
 
                 if (onStartDateClick != null && onEndDateClick != null) {
-                    Divider()
+                    HorizontalDivider()
                     Row(modifier = Modifier.height(IntrinsicSize.Min)) {
                         TrackDetailsItem(
                             modifier = Modifier.weight(1F),

app/src/main/java/eu/kanade/presentation/track/manga/MangaTrackServiceSearch.kt

@@ -33,6 +33,7 @@ import androidx.compose.material.icons.filled.CheckCircle
 import androidx.compose.material.icons.filled.Close
 import androidx.compose.material3.Button
 import androidx.compose.material3.ButtonDefaults
+import androidx.compose.material3.HorizontalDivider
 import androidx.compose.material3.Icon
 import androidx.compose.material3.IconButton
 import androidx.compose.material3.MaterialTheme
@@ -60,7 +61,6 @@ import eu.kanade.presentation.entries.ItemCover
 import eu.kanade.tachiyomi.R
 import eu.kanade.tachiyomi.data.track.model.MangaTrackSearch
 import tachiyomi.presentation.core.components.ScrollbarLazyColumn
-import tachiyomi.presentation.core.components.material.Divider
 import tachiyomi.presentation.core.components.material.Scaffold
 import tachiyomi.presentation.core.components.material.padding
 import tachiyomi.presentation.core.screens.EmptyScreen
@@ -143,7 +143,7 @@ fun MangaTrackServiceSearch(
                         }
                     },
                 )
-                Divider()
+                HorizontalDivider()
             }
         },
         bottomBar = {

app/src/main/java/eu/kanade/presentation/updates/anime/AnimeUpdatesScreen.kt

@@ -22,7 +22,7 @@ import eu.kanade.tachiyomi.R
 import eu.kanade.tachiyomi.data.download.anime.model.AnimeDownload
 import eu.kanade.tachiyomi.ui.player.settings.PlayerPreferences
 import eu.kanade.tachiyomi.ui.updates.anime.AnimeUpdatesItem
-import eu.kanade.tachiyomi.ui.updates.anime.AnimeUpdatesState
+import eu.kanade.tachiyomi.ui.updates.anime.AnimeUpdatesScreenModel
 import kotlinx.coroutines.delay
 import kotlinx.coroutines.launch
 import tachiyomi.presentation.core.components.FastScrollLazyColumn
@@ -36,7 +36,7 @@ import kotlin.time.Duration.Companion.seconds
 
 @Composable
 fun AnimeUpdateScreen(
-    state: AnimeUpdatesState,
+    state: AnimeUpdatesScreenModel.State,
     snackbarHostState: SnackbarHostState,
     contentPadding: PaddingValues,
     lastUpdated: Long,
@@ -158,7 +158,7 @@ private fun AnimeUpdatesBottomBar(
     )
 }
 
-sealed class AnimeUpdatesUiModel {
+sealed interface AnimeUpdatesUiModel {
-    data class Header(val date: String) : AnimeUpdatesUiModel()
+    data class Header(val date: String) : AnimeUpdatesUiModel
-    data class Item(val item: AnimeUpdatesItem) : AnimeUpdatesUiModel()
+    data class Item(val item: AnimeUpdatesItem) : AnimeUpdatesUiModel
 }

app/src/main/java/eu/kanade/presentation/updates/manga/MangaUpdatesScreen.kt

@@ -21,7 +21,7 @@ import eu.kanade.presentation.entries.manga.components.ChapterDownloadAction
 import eu.kanade.tachiyomi.R
 import eu.kanade.tachiyomi.data.download.manga.model.MangaDownload
 import eu.kanade.tachiyomi.ui.updates.manga.MangaUpdatesItem
-import eu.kanade.tachiyomi.ui.updates.manga.UpdatesState
+import eu.kanade.tachiyomi.ui.updates.manga.MangaUpdatesScreenModel
 import kotlinx.coroutines.delay
 import kotlinx.coroutines.launch
 import tachiyomi.presentation.core.components.FastScrollLazyColumn
@@ -33,7 +33,7 @@ import kotlin.time.Duration.Companion.seconds
 
 @Composable
 fun MangaUpdateScreen(
-    state: UpdatesState,
+    state: MangaUpdatesScreenModel.State,
     snackbarHostState: SnackbarHostState,
     contentPadding: PaddingValues,
     lastUpdated: Long,
@@ -147,7 +147,7 @@ private fun MangaUpdatesBottomBar(
     )
 }
 
-sealed class MangaUpdatesUiModel {
+sealed interface MangaUpdatesUiModel {
-    data class Header(val date: String) : MangaUpdatesUiModel()
+    data class Header(val date: String) : MangaUpdatesUiModel
-    data class Item(val item: MangaUpdatesItem) : MangaUpdatesUiModel()
+    data class Item(val item: MangaUpdatesItem) : MangaUpdatesUiModel
 }

app/src/main/java/eu/kanade/tachiyomi/data/saver/ImageSaver.kt

@@ -152,8 +152,8 @@ sealed class Image(
         }
 }
 
-sealed class Location {
+sealed interface Location {
-    data class Pictures private constructor(val relativePath: String) : Location() {
+    data class Pictures private constructor(val relativePath: String) : Location {
         companion object {
             fun create(relativePath: String = ""): Pictures {
                 return Pictures(relativePath)
@@ -161,7 +161,7 @@ sealed class Location {
         }
     }
 
-    data object Cache : Location()
+    data object Cache : Location
 
     fun directory(context: Context): File {
         return when (this) {

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

@@ -1,7 +1,7 @@
 package eu.kanade.tachiyomi.extension.anime.model
 
-sealed class AnimeLoadResult {
+sealed interface AnimeLoadResult {
-    data class Success(val extension: AnimeExtension.Installed) : AnimeLoadResult()
+    data class Success(val extension: AnimeExtension.Installed) : AnimeLoadResult
-    data class Untrusted(val extension: AnimeExtension.Untrusted) : AnimeLoadResult()
+    data class Untrusted(val extension: AnimeExtension.Untrusted) : AnimeLoadResult
-    data object Error : AnimeLoadResult()
+    data object Error : AnimeLoadResult
 }

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

@@ -1,7 +1,7 @@
 package eu.kanade.tachiyomi.extension.manga.model
 
-sealed class MangaLoadResult {
+sealed interface MangaLoadResult {
-    data class Success(val extension: MangaExtension.Installed) : MangaLoadResult()
+    data class Success(val extension: MangaExtension.Installed) : MangaLoadResult
-    data class Untrusted(val extension: MangaExtension.Untrusted) : MangaLoadResult()
+    data class Untrusted(val extension: MangaExtension.Untrusted) : MangaLoadResult
-    data object Error : MangaLoadResult()
+    data object Error : MangaLoadResult
 }

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

@@ -54,20 +54,20 @@ class AnimeExtensionFilterScreenModel(
     }
 }
 
-sealed class AnimeExtensionFilterEvent {
+sealed interface AnimeExtensionFilterEvent {
-    data object FailedFetchingLanguages : AnimeExtensionFilterEvent()
+    data object FailedFetchingLanguages : AnimeExtensionFilterEvent
 }
 
-sealed class AnimeExtensionFilterState {
+sealed interface AnimeExtensionFilterState {
 
     @Immutable
-    data object Loading : AnimeExtensionFilterState()
+    data object Loading : AnimeExtensionFilterState
 
     @Immutable
     data class Success(
         val languages: List<String>,
         val enabledLanguages: Set<String> = emptySet(),
-    ) : AnimeExtensionFilterState() {
+    ) : AnimeExtensionFilterState {
 
         val isEmpty: Boolean
             get() = languages.isEmpty()

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

@@ -2,6 +2,7 @@ package eu.kanade.tachiyomi.ui.browse.anime.extension
 
 import android.app.Application
 import androidx.annotation.StringRes
+import androidx.compose.runtime.Immutable
 import cafe.adriel.voyager.core.model.StateScreenModel
 import cafe.adriel.voyager.core.model.coroutineScope
 import eu.kanade.domain.extension.anime.interactor.GetAnimeExtensionsByType
@@ -35,7 +36,7 @@ class AnimeExtensionsScreenModel(
     preferences: SourcePreferences = Injekt.get(),
     private val extensionManager: AnimeExtensionManager = Injekt.get(),
     private val getExtensions: GetAnimeExtensionsByType = Injekt.get(),
-) : StateScreenModel<AnimeExtensionsState>(AnimeExtensionsState()) {
+) : StateScreenModel<AnimeExtensionsScreenModel.State>(State()) {
 
     private var _currentDownloads = MutableStateFlow<Map<String, InstallStep>>(hashMapOf())
 
@@ -189,16 +190,17 @@ class AnimeExtensionsScreenModel(
     fun trustSignature(signatureHash: String) {
         extensionManager.trustSignature(signatureHash)
     }
-}
 
-data class AnimeExtensionsState(
+    @Immutable
-    val isLoading: Boolean = true,
+    data class State(
-    val isRefreshing: Boolean = false,
+        val isLoading: Boolean = true,
-    val items: ItemGroups = mutableMapOf(),
+        val isRefreshing: Boolean = false,
-    val updates: Int = 0,
+        val items: ItemGroups = mutableMapOf(),
-    val searchQuery: String? = null,
+        val updates: Int = 0,
-) {
+        val searchQuery: String? = null,
-    val isEmpty = items.isEmpty()
+    ) {
+        val isEmpty = items.isEmpty()
+    }
 }
 
 typealias ItemGroups = MutableMap<AnimeExtensionUiModel.Header, List<AnimeExtensionUiModel.Item>>

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

@@ -38,7 +38,7 @@ class AnimeExtensionDetailsScreenModel(
     private val extensionManager: AnimeExtensionManager = Injekt.get(),
     private val getExtensionSources: GetAnimeExtensionSources = Injekt.get(),
     private val toggleSource: ToggleAnimeSource = Injekt.get(),
-) : StateScreenModel<AnimeExtensionDetailsState>(AnimeExtensionDetailsState()) {
+) : StateScreenModel<AnimeExtensionDetailsScreenModel.State>(State()) {
 
     private val _events: Channel<AnimeExtensionDetailsEvent> = Channel()
     val events: Flow<AnimeExtensionDetailsEvent> = _events.receiveAsFlow()
@@ -160,21 +160,21 @@ class AnimeExtensionDetailsScreenModel(
             url + "/src/" + pkgName.replace(".", "/") + path
         }
     }
+
+    @Immutable
+    data class State(
+        val extension: AnimeExtension.Installed? = null,
+        private val _sources: List<AnimeExtensionSourceItem>? = null,
+    ) {
+
+        val sources: List<AnimeExtensionSourceItem>
+            get() = _sources.orEmpty()
+
+        val isLoading: Boolean
+            get() = extension == null || _sources == null
+    }
 }
 
-sealed class AnimeExtensionDetailsEvent {
+sealed interface AnimeExtensionDetailsEvent {
-    data object Uninstalled : AnimeExtensionDetailsEvent()
+    data object Uninstalled : AnimeExtensionDetailsEvent
-}
-
-@Immutable
-data class AnimeExtensionDetailsState(
-    val extension: AnimeExtension.Installed? = null,
-    private val _sources: List<AnimeExtensionSourceItem>? = null,
-) {
-
-    val sources: List<AnimeExtensionSourceItem>
-        get() = _sources.orEmpty()
-
-    val isLoading: Boolean
-        get() = extension == null || _sources == null
 }

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

@@ -17,7 +17,7 @@ import eu.kanade.tachiyomi.util.system.toast
 import kotlinx.coroutines.flow.collectLatest
 import tachiyomi.presentation.core.screens.LoadingScreen
 
-data class MigrationAnimeScreen(
+data class MigrateAnimeScreen(
     private val sourceId: Long,
 ) : Screen() {
 
@@ -25,7 +25,7 @@ data class MigrationAnimeScreen(
     override fun Content() {
         val context = LocalContext.current
         val navigator = LocalNavigator.currentOrThrow
-        val screenModel = rememberScreenModel { MigrationAnimeScreenModel(sourceId) }
+        val screenModel = rememberScreenModel { MigrateAnimeScreenModel(sourceId) }
 
         val state by screenModel.state.collectAsState()
 

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

@@ -20,11 +20,11 @@ import tachiyomi.domain.source.anime.service.AnimeSourceManager
 import uy.kohesive.injekt.Injekt
 import uy.kohesive.injekt.api.get
 
-class MigrationAnimeScreenModel(
+class MigrateAnimeScreenModel(
     private val sourceId: Long,
     private val sourceManager: AnimeSourceManager = Injekt.get(),
     private val getFavorites: GetAnimeFavorites = Injekt.get(),
-) : StateScreenModel<MigrateAnimeState>(MigrateAnimeState()) {
+) : StateScreenModel<MigrateAnimeScreenModel.State>(State()) {
 
     private val _events: Channel<MigrationAnimeEvent> = Channel()
     val events: Flow<MigrationAnimeEvent> = _events.receiveAsFlow()
@@ -51,24 +51,24 @@ class MigrationAnimeScreenModel(
                 }
         }
     }
+
+    @Immutable
+    data class State(
+        val source: AnimeSource? = null,
+        private val titleList: List<Anime>? = null,
+    ) {
+
+        val titles: List<Anime>
+            get() = titleList.orEmpty()
+
+        val isLoading: Boolean
+            get() = source == null || titleList == null
+
+        val isEmpty: Boolean
+            get() = titles.isEmpty()
+    }
 }
 
-sealed class MigrationAnimeEvent {
+sealed interface MigrationAnimeEvent {
-    data object FailedFetchingFavorites : MigrationAnimeEvent()
+    data object FailedFetchingFavorites : MigrationAnimeEvent
-}
-
-@Immutable
-data class MigrateAnimeState(
-    val source: AnimeSource? = null,
-    private val titleList: List<Anime>? = null,
-) {
-
-    val titles: List<Anime>
-        get() = titleList.orEmpty()
-
-    val isLoading: Boolean
-        get() = source == null || titleList == null
-
-    val isEmpty: Boolean
-        get() = titles.isEmpty()
 }

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

@@ -37,7 +37,7 @@ class AnimeMigrateSearchScreenDialogScreenModel(
         val dialog: Dialog? = null,
     )
 
-    sealed class Dialog {
+    sealed interface Dialog {
-        data class Migrate(val anime: Anime) : Dialog()
+        data class Migrate(val anime: Anime) : Dialog
     }
 }

app/src/main/java/eu/kanade/tachiyomi/ui/browse/anime/migration/sources/MigrateAnimeSourceScreenModel.kt

@@ -1,5 +1,6 @@
 package eu.kanade.tachiyomi.ui.browse.anime.migration.sources
 
+import androidx.compose.runtime.Immutable
 import cafe.adriel.voyager.core.model.StateScreenModel
 import cafe.adriel.voyager.core.model.coroutineScope
 import eu.kanade.domain.source.anime.interactor.GetAnimeSourcesWithFavoriteCount
@@ -23,7 +24,7 @@ class MigrateAnimeSourceScreenModel(
     preferences: SourcePreferences = Injekt.get(),
     private val getSourcesWithFavoriteCount: GetAnimeSourcesWithFavoriteCount = Injekt.get(),
     private val setMigrateSorting: SetMigrateSorting = Injekt.get(),
-) : StateScreenModel<MigrateAnimeSourceState>(MigrateAnimeSourceState()) {
+) : StateScreenModel<MigrateAnimeSourceScreenModel.State>(State()) {
 
     private val _channel = Channel<Event>(Int.MAX_VALUE)
     val channel = _channel.receiveAsFlow()
@@ -76,16 +77,17 @@ class MigrateAnimeSourceScreenModel(
         }
     }
 
-    sealed class Event {
+    @Immutable
-        data object FailedFetchingSourcesWithCount : Event()
+    data class State(
+        val isLoading: Boolean = true,
+        val items: List<Pair<AnimeSource, Long>> = emptyList(),
+        val sortingMode: SetMigrateSorting.Mode = SetMigrateSorting.Mode.ALPHABETICAL,
+        val sortingDirection: SetMigrateSorting.Direction = SetMigrateSorting.Direction.ASCENDING,
+    ) {
+        val isEmpty = items.isEmpty()
+    }
+
+    sealed interface Event {
+        data object FailedFetchingSourcesWithCount : Event
     }
 }
-
-data class MigrateAnimeSourceState(
-    val isLoading: Boolean = true,
-    val items: List<Pair<AnimeSource, Long>> = emptyList(),
-    val sortingMode: SetMigrateSorting.Mode = SetMigrateSorting.Mode.ALPHABETICAL,
-    val sortingDirection: SetMigrateSorting.Direction = SetMigrateSorting.Direction.ASCENDING,
-) {
-    val isEmpty = items.isEmpty()
-}

app/src/main/java/eu/kanade/tachiyomi/ui/browse/anime/migration/sources/MigrateAnimeSourceTab.kt

@@ -15,7 +15,7 @@ import eu.kanade.presentation.browse.anime.MigrateAnimeSourceScreen
 import eu.kanade.presentation.components.AppBar
 import eu.kanade.presentation.components.TabContent
 import eu.kanade.tachiyomi.R
-import eu.kanade.tachiyomi.ui.browse.anime.migration.anime.MigrationAnimeScreen
+import eu.kanade.tachiyomi.ui.browse.anime.migration.anime.MigrateAnimeScreen
 
 @Composable
 fun Screen.migrateAnimeSourceTab(): TabContent {
@@ -39,7 +39,9 @@ fun Screen.migrateAnimeSourceTab(): TabContent {
             MigrateAnimeSourceScreen(
                 state = state,
                 contentPadding = contentPadding,
-                onClickItem = { source -> navigator.push(MigrationAnimeScreen(source.id)) },
+                onClickItem = { source ->
+                    navigator.push(MigrateAnimeScreen(source.id))
+                },
                 onToggleSortingDirection = screenModel::toggleSortingDirection,
                 onToggleSortingMode = screenModel::toggleSortingMode,
             )

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

@@ -22,12 +22,12 @@ class AnimeSourcesFilterScreen : Screen() {
         val screenModel = rememberScreenModel { AnimeSourcesFilterScreenModel() }
         val state by screenModel.state.collectAsState()
 
-        if (state is AnimeSourcesFilterState.Loading) {
+        if (state is AnimeSourcesFilterScreenModel.State.Loading) {
             LoadingScreen()
             return
         }
 
-        if (state is AnimeSourcesFilterState.Error) {
+        if (state is AnimeSourcesFilterScreenModel.State.Error) {
             val context = LocalContext.current
             LaunchedEffect(Unit) {
                 context.toast(R.string.internal_error)
@@ -36,7 +36,7 @@ class AnimeSourcesFilterScreen : Screen() {
             return
         }
 
-        val successState = state as AnimeSourcesFilterState.Success
+        val successState = state as AnimeSourcesFilterScreenModel.State.Success
 
         AnimeSourcesFilterScreen(
             navigateUp = navigator::pop,

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

@@ -1,5 +1,6 @@
 package eu.kanade.tachiyomi.ui.browse.anime.source
 
+import androidx.compose.runtime.Immutable
 import cafe.adriel.voyager.core.model.StateScreenModel
 import cafe.adriel.voyager.core.model.coroutineScope
 import eu.kanade.domain.source.anime.interactor.GetLanguagesWithAnimeSources
@@ -21,7 +22,7 @@ class AnimeSourcesFilterScreenModel(
     private val getLanguagesWithSources: GetLanguagesWithAnimeSources = Injekt.get(),
     private val toggleSource: ToggleAnimeSource = Injekt.get(),
     private val toggleLanguage: ToggleLanguage = Injekt.get(),
-) : StateScreenModel<AnimeSourcesFilterState>(AnimeSourcesFilterState.Loading) {
+) : StateScreenModel<AnimeSourcesFilterScreenModel.State>(State.Loading) {
 
     init {
         coroutineScope.launch {
@@ -32,14 +33,14 @@ class AnimeSourcesFilterScreenModel(
             ) { a, b, c -> Triple(a, b, c) }
                 .catch { throwable ->
                     mutableState.update {
-                        AnimeSourcesFilterState.Error(
+                        State.Error(
                             throwable = throwable,
                         )
                     }
                 }
                 .collectLatest { (languagesWithSources, enabledLanguages, disabledSources) ->
                     mutableState.update {
-                        AnimeSourcesFilterState.Success(
+                        State.Success(
                             items = languagesWithSources,
                             enabledLanguages = enabledLanguages,
                             disabledSources = disabledSources,
@@ -56,23 +57,26 @@ class AnimeSourcesFilterScreenModel(
     fun toggleLanguage(language: String) {
         toggleLanguage.await(language)
     }
-}
 
-sealed class AnimeSourcesFilterState {
+    sealed interface State {
 
-    object Loading : AnimeSourcesFilterState()
+        @Immutable
+        data object Loading : State
 
-    data class Error(
+        @Immutable
-        val throwable: Throwable,
+        data class Error(
-    ) : AnimeSourcesFilterState()
+            val throwable: Throwable,
+        ) : State
 
-    data class Success(
+        @Immutable
-        val items: SortedMap<String, List<AnimeSource>>,
+        data class Success(
-        val enabledLanguages: Set<String>,
+            val items: SortedMap<String, List<AnimeSource>>,
-        val disabledSources: Set<String>,
+            val enabledLanguages: Set<String>,
-    ) : AnimeSourcesFilterState() {
+            val disabledSources: Set<String>,
+        ) : State {
 
-        val isEmpty: Boolean
+            val isEmpty: Boolean
-            get() = items.isEmpty()
+                get() = items.isEmpty()
+        }
     }
 }

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

@@ -99,8 +99,8 @@ class AnimeSourcesScreenModel(
         mutableState.update { it.copy(dialog = null) }
     }
 
-    sealed class Event {
+    sealed interface Event {
-        data object FailedFetchingSources : Event()
+        data object FailedFetchingSources : Event
     }
 
     data class Dialog(val source: AnimeSource)

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

@@ -14,6 +14,7 @@ import androidx.compose.material.icons.outlined.FilterList
 import androidx.compose.material.icons.outlined.NewReleases
 import androidx.compose.material3.FilterChip
 import androidx.compose.material3.FilterChipDefaults
+import androidx.compose.material3.HorizontalDivider
 import androidx.compose.material3.Icon
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.SnackbarHost
@@ -57,7 +58,6 @@ import kotlinx.coroutines.flow.collectLatest
 import kotlinx.coroutines.flow.receiveAsFlow
 import tachiyomi.core.util.lang.launchIO
 import tachiyomi.domain.source.anime.model.StubAnimeSource
-import tachiyomi.presentation.core.components.material.Divider
 import tachiyomi.presentation.core.components.material.Scaffold
 import tachiyomi.presentation.core.components.material.padding
 import tachiyomi.source.local.entries.anime.LocalAnimeSource
@@ -192,7 +192,7 @@ data class BrowseAnimeSourceScreen(
                         }
                     }
 
-                    Divider()
+                    HorizontalDivider()
                 }
             },
             snackbarHost = { SnackbarHost(hostState = snackbarHostState) },

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

@@ -373,15 +373,15 @@ class BrowseAnimeSourceScreenModel(
         }
     }
 
-    sealed class Dialog {
+    sealed interface Dialog {
-        data object Filter : Dialog()
+        data object Filter : Dialog
-        data class RemoveAnime(val anime: Anime) : Dialog()
+        data class RemoveAnime(val anime: Anime) : Dialog
-        data class AddDuplicateAnime(val anime: Anime, val duplicate: Anime) : Dialog()
+        data class AddDuplicateAnime(val anime: Anime, val duplicate: Anime) : Dialog
         data class ChangeAnimeCategory(
             val anime: Anime,
             val initialSelection: List<CheckboxState.State<Category>>,
-        ) : Dialog()
+        ) : Dialog
-        data class Migrate(val newAnime: Anime) : Dialog()
+        data class Migrate(val newAnime: Anime) : Dialog
     }
 
     @Immutable

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

@@ -8,7 +8,7 @@ import androidx.compose.foundation.layout.padding
 import androidx.compose.foundation.lazy.LazyColumn
 import androidx.compose.foundation.lazy.items
 import androidx.compose.material3.Button
-import androidx.compose.material3.Divider
+import androidx.compose.material3.HorizontalDivider
 import androidx.compose.material3.LocalTextStyle
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.Text
@@ -68,7 +68,7 @@ fun SourceFilterAnimeDialog(
                         Text(stringResource(R.string.action_filter))
                     }
                 }
-                Divider()
+                HorizontalDivider()
             }
 
             items(filters) {
@@ -85,7 +85,7 @@ private fun FilterItem(filter: AnimeFilter<*>, onUpdate: () -> Unit) {
             HeadingItem(filter.name)
         }
         is AnimeFilter.Separator -> {
-            Divider()
+            HorizontalDivider()
         }
         is AnimeFilter.CheckBox -> {
             CheckboxItem(

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

@@ -186,16 +186,16 @@ enum class AnimeSourceFilter {
     PinnedOnly,
 }
 
-sealed class AnimeSearchItemResult {
+sealed interface AnimeSearchItemResult {
-    data object Loading : AnimeSearchItemResult()
+    data object Loading : AnimeSearchItemResult
 
     data class Error(
         val throwable: Throwable,
-    ) : AnimeSearchItemResult()
+    ) : AnimeSearchItemResult
 
     data class Success(
         val result: List<Anime>,
-    ) : AnimeSearchItemResult() {
+    ) : AnimeSearchItemResult {
         val isEmpty: Boolean
             get() = result.isEmpty()
     }

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

@@ -54,20 +54,20 @@ class MangaExtensionFilterScreenModel(
     }
 }
 
-sealed class MangaExtensionFilterEvent {
+sealed interface MangaExtensionFilterEvent {
-    data object FailedFetchingLanguages : MangaExtensionFilterEvent()
+    data object FailedFetchingLanguages : MangaExtensionFilterEvent
 }
 
-sealed class MangaExtensionFilterState {
+sealed interface MangaExtensionFilterState {
 
     @Immutable
-    data object Loading : MangaExtensionFilterState()
+    data object Loading : MangaExtensionFilterState
 
     @Immutable
     data class Success(
         val languages: List<String>,
         val enabledLanguages: Set<String> = emptySet(),
-    ) : MangaExtensionFilterState() {
+    ) : MangaExtensionFilterState {
 
         val isEmpty: Boolean
             get() = languages.isEmpty()

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

@@ -2,6 +2,7 @@ package eu.kanade.tachiyomi.ui.browse.manga.extension
 
 import android.app.Application
 import androidx.annotation.StringRes
+import androidx.compose.runtime.Immutable
 import cafe.adriel.voyager.core.model.StateScreenModel
 import cafe.adriel.voyager.core.model.coroutineScope
 import eu.kanade.domain.extension.manga.interactor.GetMangaExtensionsByType
@@ -35,7 +36,7 @@ class MangaExtensionsScreenModel(
     preferences: SourcePreferences = Injekt.get(),
     private val extensionManager: MangaExtensionManager = Injekt.get(),
     private val getExtensions: GetMangaExtensionsByType = Injekt.get(),
-) : StateScreenModel<MangaExtensionsState>(MangaExtensionsState()) {
+) : StateScreenModel<MangaExtensionsScreenModel.State>(State()) {
 
     private var _currentDownloads = MutableStateFlow<Map<String, InstallStep>>(hashMapOf())
 
@@ -191,16 +192,17 @@ class MangaExtensionsScreenModel(
     fun trustSignature(signatureHash: String) {
         extensionManager.trustSignature(signatureHash)
     }
-}
 
-data class MangaExtensionsState(
+    @Immutable
-    val isLoading: Boolean = true,
+    data class State(
-    val isRefreshing: Boolean = false,
+        val isLoading: Boolean = true,
-    val items: ItemGroups = mutableMapOf(),
+        val isRefreshing: Boolean = false,
-    val updates: Int = 0,
+        val items: ItemGroups = mutableMapOf(),
-    val searchQuery: String? = null,
+        val updates: Int = 0,
-) {
+        val searchQuery: String? = null,
-    val isEmpty = items.isEmpty()
+    ) {
+        val isEmpty = items.isEmpty()
+    }
 }
 
 typealias ItemGroups = MutableMap<MangaExtensionUiModel.Header, List<MangaExtensionUiModel.Item>>

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

@@ -38,7 +38,7 @@ class MangaExtensionDetailsScreenModel(
     private val extensionManager: MangaExtensionManager = Injekt.get(),
     private val getExtensionSources: GetExtensionSources = Injekt.get(),
     private val toggleSource: ToggleMangaSource = Injekt.get(),
-) : StateScreenModel<MangaExtensionDetailsState>(MangaExtensionDetailsState()) {
+) : StateScreenModel<MangaExtensionDetailsScreenModel.State>(State()) {
 
     private val _events: Channel<MangaExtensionDetailsEvent> = Channel()
     val events: Flow<MangaExtensionDetailsEvent> = _events.receiveAsFlow()
@@ -160,21 +160,21 @@ class MangaExtensionDetailsScreenModel(
             url + "/src/" + pkgName.replace(".", "/") + path
         }
     }
+
+    @Immutable
+    data class State(
+        val extension: MangaExtension.Installed? = null,
+        private val _sources: List<MangaExtensionSourceItem>? = null,
+    ) {
+
+        val sources: List<MangaExtensionSourceItem>
+            get() = _sources.orEmpty()
+
+        val isLoading: Boolean
+            get() = extension == null || _sources == null
+    }
 }
 
-sealed class MangaExtensionDetailsEvent {
+sealed interface MangaExtensionDetailsEvent {
-    data object Uninstalled : MangaExtensionDetailsEvent()
+    data object Uninstalled : MangaExtensionDetailsEvent
-}
-
-@Immutable
-data class MangaExtensionDetailsState(
-    val extension: MangaExtension.Installed? = null,
-    private val _sources: List<MangaExtensionSourceItem>? = null,
-) {
-
-    val sources: List<MangaExtensionSourceItem>
-        get() = _sources.orEmpty()
-
-    val isLoading: Boolean
-        get() = extension == null || _sources == null
 }

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

@@ -17,7 +17,7 @@ import eu.kanade.tachiyomi.util.system.toast
 import kotlinx.coroutines.flow.collectLatest
 import tachiyomi.presentation.core.screens.LoadingScreen
 
-data class MigrationMangaScreen(
+data class MigrateMangaScreen(
     private val sourceId: Long,
 ) : Screen() {
 
@@ -25,7 +25,7 @@ data class MigrationMangaScreen(
     override fun Content() {
         val context = LocalContext.current
         val navigator = LocalNavigator.currentOrThrow
-        val screenModel = rememberScreenModel { MigrationMangaScreenModel(sourceId) }
+        val screenModel = rememberScreenModel { MigrateMangaScreenModel(sourceId) }
 
         val state by screenModel.state.collectAsState()
 

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

@@ -20,11 +20,11 @@ import tachiyomi.domain.source.manga.service.MangaSourceManager
 import uy.kohesive.injekt.Injekt
 import uy.kohesive.injekt.api.get
 
-class MigrationMangaScreenModel(
+class MigrateMangaScreenModel(
     private val sourceId: Long,
     private val sourceManager: MangaSourceManager = Injekt.get(),
     private val getFavorites: GetMangaFavorites = Injekt.get(),
-) : StateScreenModel<MigrateMangaState>(MigrateMangaState()) {
+) : StateScreenModel<MigrateMangaScreenModel.State>(State()) {
 
     private val _events: Channel<MigrationMangaEvent> = Channel()
     val events: Flow<MigrationMangaEvent> = _events.receiveAsFlow()
@@ -51,24 +51,24 @@ class MigrationMangaScreenModel(
                 }
         }
     }
+
+    @Immutable
+    data class State(
+        val source: MangaSource? = null,
+        private val titleList: List<Manga>? = null,
+    ) {
+
+        val titles: List<Manga>
+            get() = titleList.orEmpty()
+
+        val isLoading: Boolean
+            get() = source == null || titleList == null
+
+        val isEmpty: Boolean
+            get() = titles.isEmpty()
+    }
 }
 
-sealed class MigrationMangaEvent {
+sealed interface MigrationMangaEvent {
-    data object FailedFetchingFavorites : MigrationMangaEvent()
+    data object FailedFetchingFavorites : MigrationMangaEvent
-}
-
-@Immutable
-data class MigrateMangaState(
-    val source: MangaSource? = null,
-    private val titleList: List<Manga>? = null,
-) {
-
-    val titles: List<Manga>
-        get() = titleList.orEmpty()
-
-    val isLoading: Boolean
-        get() = source == null || titleList == null
-
-    val isEmpty: Boolean
-        get() = titles.isEmpty()
 }

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

@@ -37,7 +37,7 @@ class MangaMigrateSearchScreenDialogScreenModel(
         val dialog: Dialog? = null,
     )
 
-    sealed class Dialog {
+    sealed interface Dialog {
-        data class Migrate(val manga: Manga) : Dialog()
+        data class Migrate(val manga: Manga) : Dialog
     }
 }

app/src/main/java/eu/kanade/tachiyomi/ui/browse/manga/migration/sources/MigrateMangaSourceScreenModel.kt

@@ -1,5 +1,6 @@
 package eu.kanade.tachiyomi.ui.browse.manga.migration.sources
 
+import androidx.compose.runtime.Immutable
 import cafe.adriel.voyager.core.model.StateScreenModel
 import cafe.adriel.voyager.core.model.coroutineScope
 import eu.kanade.domain.source.manga.interactor.GetMangaSourcesWithFavoriteCount
@@ -23,7 +24,7 @@ class MigrateSourceScreenModel(
     preferences: SourcePreferences = Injekt.get(),
     private val getSourcesWithFavoriteCount: GetMangaSourcesWithFavoriteCount = Injekt.get(),
     private val setMigrateSorting: SetMigrateSorting = Injekt.get(),
-) : StateScreenModel<MigrateMangaSourceState>(MigrateMangaSourceState()) {
+) : StateScreenModel<MigrateSourceScreenModel.State>(State()) {
 
     private val _channel = Channel<Event>(Int.MAX_VALUE)
     val channel = _channel.receiveAsFlow()
@@ -76,16 +77,17 @@ class MigrateSourceScreenModel(
         }
     }
 
-    sealed class Event {
+    @Immutable
-        data object FailedFetchingSourcesWithCount : Event()
+    data class State(
+        val isLoading: Boolean = true,
+        val items: List<Pair<Source, Long>> = emptyList(),
+        val sortingMode: SetMigrateSorting.Mode = SetMigrateSorting.Mode.ALPHABETICAL,
+        val sortingDirection: SetMigrateSorting.Direction = SetMigrateSorting.Direction.ASCENDING,
+    ) {
+        val isEmpty = items.isEmpty()
+    }
+
+    sealed interface Event {
+        data object FailedFetchingSourcesWithCount : Event
     }
 }
-
-data class MigrateMangaSourceState(
-    val isLoading: Boolean = true,
-    val items: List<Pair<Source, Long>> = emptyList(),
-    val sortingMode: SetMigrateSorting.Mode = SetMigrateSorting.Mode.ALPHABETICAL,
-    val sortingDirection: SetMigrateSorting.Direction = SetMigrateSorting.Direction.ASCENDING,
-) {
-    val isEmpty = items.isEmpty()
-}

app/src/main/java/eu/kanade/tachiyomi/ui/browse/manga/migration/sources/MigrateMangaSourceTab.kt

@@ -15,7 +15,7 @@ import eu.kanade.presentation.browse.manga.MigrateMangaSourceScreen
 import eu.kanade.presentation.components.AppBar
 import eu.kanade.presentation.components.TabContent
 import eu.kanade.tachiyomi.R
-import eu.kanade.tachiyomi.ui.browse.manga.migration.manga.MigrationMangaScreen
+import eu.kanade.tachiyomi.ui.browse.manga.migration.manga.MigrateMangaScreen
 
 @Composable
 fun Screen.migrateMangaSourceTab(): TabContent {
@@ -40,7 +40,7 @@ fun Screen.migrateMangaSourceTab(): TabContent {
                 state = state,
                 contentPadding = contentPadding,
                 onClickItem = { source ->
-                    navigator.push(MigrationMangaScreen(source.id))
+                    navigator.push(MigrateMangaScreen(source.id))
                 },
                 onToggleSortingDirection = screenModel::toggleSortingDirection,
                 onToggleSortingMode = screenModel::toggleSortingMode,

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

@@ -22,12 +22,12 @@ class MangaSourcesFilterScreen : Screen() {
         val screenModel = rememberScreenModel { SourcesFilterScreenModel() }
         val state by screenModel.state.collectAsState()
 
-        if (state is MangaSourcesFilterState.Loading) {
+        if (state is SourcesFilterScreenModel.State.Loading) {
             LoadingScreen()
             return
         }
 
-        if (state is MangaSourcesFilterState.Error) {
+        if (state is SourcesFilterScreenModel.State.Error) {
             val context = LocalContext.current
             LaunchedEffect(Unit) {
                 context.toast(R.string.internal_error)
@@ -36,7 +36,7 @@ class MangaSourcesFilterScreen : Screen() {
             return
         }
 
-        val successState = state as MangaSourcesFilterState.Success
+        val successState = state as SourcesFilterScreenModel.State.Success
 
         MangaSourcesFilterScreen(
             navigateUp = navigator::pop,

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

@@ -1,5 +1,6 @@
 package eu.kanade.tachiyomi.ui.browse.manga.source
 
+import androidx.compose.runtime.Immutable
 import cafe.adriel.voyager.core.model.StateScreenModel
 import cafe.adriel.voyager.core.model.coroutineScope
 import eu.kanade.domain.source.manga.interactor.GetLanguagesWithMangaSources
@@ -21,7 +22,7 @@ class SourcesFilterScreenModel(
     private val getLanguagesWithSources: GetLanguagesWithMangaSources = Injekt.get(),
     private val toggleSource: ToggleMangaSource = Injekt.get(),
     private val toggleLanguage: ToggleLanguage = Injekt.get(),
-) : StateScreenModel<MangaSourcesFilterState>(MangaSourcesFilterState.Loading) {
+) : StateScreenModel<SourcesFilterScreenModel.State>(State.Loading) {
 
     init {
         coroutineScope.launch {
@@ -32,14 +33,14 @@ class SourcesFilterScreenModel(
             ) { a, b, c -> Triple(a, b, c) }
                 .catch { throwable ->
                     mutableState.update {
-                        MangaSourcesFilterState.Error(
+                        State.Error(
                             throwable = throwable,
                         )
                     }
                 }
                 .collectLatest { (languagesWithSources, enabledLanguages, disabledSources) ->
                     mutableState.update {
-                        MangaSourcesFilterState.Success(
+                        State.Success(
                             items = languagesWithSources,
                             enabledLanguages = enabledLanguages,
                             disabledSources = disabledSources,
@@ -56,23 +57,26 @@ class SourcesFilterScreenModel(
     fun toggleLanguage(language: String) {
         toggleLanguage.await(language)
     }
-}
 
-sealed class MangaSourcesFilterState {
+    sealed interface State {
 
-    object Loading : MangaSourcesFilterState()
+        @Immutable
+        data object Loading : State
 
-    data class Error(
+        @Immutable
-        val throwable: Throwable,
+        data class Error(
-    ) : MangaSourcesFilterState()
+            val throwable: Throwable,
+        ) : State
 
-    data class Success(
+        @Immutable
-        val items: SortedMap<String, List<Source>>,
+        data class Success(
-        val enabledLanguages: Set<String>,
+            val items: SortedMap<String, List<Source>>,
-        val disabledSources: Set<String>,
+            val enabledLanguages: Set<String>,
-    ) : MangaSourcesFilterState() {
+            val disabledSources: Set<String>,
+        ) : State {
 
-        val isEmpty: Boolean
+            val isEmpty: Boolean
-            get() = items.isEmpty()
+                get() = items.isEmpty()
+        }
     }
 }

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

@@ -123,8 +123,8 @@ class MangaSourcesScreenModel(
         mutableState.update { it.copy(dialog = null) }
     }
 
-    sealed class Event {
+    sealed interface Event {
-        data object FailedFetchingSources : Event()
+        data object FailedFetchingSources : Event
     }
 
     data class Dialog(val source: Source)

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

@@ -14,6 +14,7 @@ import androidx.compose.material.icons.outlined.FilterList
 import androidx.compose.material.icons.outlined.NewReleases
 import androidx.compose.material3.FilterChip
 import androidx.compose.material3.FilterChipDefaults
+import androidx.compose.material3.HorizontalDivider
 import androidx.compose.material3.Icon
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.SnackbarHost
@@ -57,7 +58,6 @@ import kotlinx.coroutines.flow.collectLatest
 import kotlinx.coroutines.flow.receiveAsFlow
 import tachiyomi.core.util.lang.launchIO
 import tachiyomi.domain.source.manga.model.StubMangaSource
-import tachiyomi.presentation.core.components.material.Divider
 import tachiyomi.presentation.core.components.material.Scaffold
 import tachiyomi.presentation.core.components.material.padding
 import tachiyomi.source.local.entries.manga.LocalMangaSource
@@ -192,7 +192,7 @@ data class BrowseMangaSourceScreen(
                         }
                     }
 
-                    Divider()
+                    HorizontalDivider()
                 }
             },
             snackbarHost = { SnackbarHost(hostState = snackbarHostState) },

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

@@ -367,15 +367,15 @@ class BrowseMangaSourceScreenModel(
         }
     }
 
-    sealed class Dialog {
+    sealed interface Dialog {
-        data object Filter : Dialog()
+        data object Filter : Dialog
-        data class RemoveManga(val manga: Manga) : Dialog()
+        data class RemoveManga(val manga: Manga) : Dialog
-        data class AddDuplicateManga(val manga: Manga, val duplicate: Manga) : Dialog()
+        data class AddDuplicateManga(val manga: Manga, val duplicate: Manga) : Dialog
         data class ChangeMangaCategory(
             val manga: Manga,
             val initialSelection: List<CheckboxState.State<Category>>,
-        ) : Dialog()
+        ) : Dialog
-        data class Migrate(val newManga: Manga) : Dialog()
+        data class Migrate(val newManga: Manga) : Dialog
     }
 
     @Immutable

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

@@ -7,6 +7,7 @@ import androidx.compose.foundation.layout.Spacer
 import androidx.compose.foundation.layout.padding
 import androidx.compose.foundation.lazy.LazyColumn
 import androidx.compose.foundation.lazy.items
+import androidx.compose.material3.HorizontalDivider
 import androidx.compose.material3.LocalTextStyle
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.Text
@@ -28,7 +29,6 @@ import tachiyomi.presentation.core.components.SortItem
 import tachiyomi.presentation.core.components.TextItem
 import tachiyomi.presentation.core.components.TriStateItem
 import tachiyomi.presentation.core.components.material.Button
-import tachiyomi.presentation.core.components.material.Divider
 
 @Composable
 fun SourceFilterMangaDialog(
@@ -68,7 +68,7 @@ fun SourceFilterMangaDialog(
                         Text(stringResource(R.string.action_filter))
                     }
                 }
-                Divider()
+                HorizontalDivider()
             }
 
             items(filters) {
@@ -85,7 +85,7 @@ private fun FilterItem(filter: Filter<*>, onUpdate: () -> Unit) {
             HeadingItem(filter.name)
         }
         is Filter.Separator -> {
-            Divider()
+            HorizontalDivider()
         }
         is Filter.CheckBox -> {
             CheckboxItem(

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

@@ -186,16 +186,16 @@ enum class MangaSourceFilter {
     PinnedOnly,
 }
 
-sealed class MangaSearchItemResult {
+sealed interface MangaSearchItemResult {
-    data object Loading : MangaSearchItemResult()
+    data object Loading : MangaSearchItemResult
 
     data class Error(
         val throwable: Throwable,
-    ) : MangaSearchItemResult()
+    ) : MangaSearchItemResult
 
     data class Success(
         val result: List<Manga>,
-    ) : MangaSearchItemResult() {
+    ) : MangaSearchItemResult {
         val isEmpty: Boolean
             get() = result.isEmpty()
     }

app/src/main/java/eu/kanade/tachiyomi/ui/category/anime/AnimeCategoryScreenModel.kt

@@ -130,27 +130,27 @@ class AnimeCategoryScreenModel(
     }
 }
 
-sealed class AnimeCategoryDialog {
+sealed interface AnimeCategoryDialog {
-    data object Create : AnimeCategoryDialog()
+    data object Create : AnimeCategoryDialog
-    data class Rename(val category: Category) : AnimeCategoryDialog()
+    data class Rename(val category: Category) : AnimeCategoryDialog
-    data class Delete(val category: Category) : AnimeCategoryDialog()
+    data class Delete(val category: Category) : AnimeCategoryDialog
 }
 
-sealed class AnimeCategoryEvent {
+sealed interface AnimeCategoryEvent {
-    sealed class LocalizedMessage(@StringRes val stringRes: Int) : AnimeCategoryEvent()
+    sealed class LocalizedMessage(@StringRes val stringRes: Int) : AnimeCategoryEvent
     data object InternalError : LocalizedMessage(R.string.internal_error)
 }
 
-sealed class AnimeCategoryScreenState {
+sealed interface AnimeCategoryScreenState {
 
     @Immutable
-    data object Loading : AnimeCategoryScreenState()
+    data object Loading : AnimeCategoryScreenState
 
     @Immutable
     data class Success(
         val categories: List<Category>,
         val dialog: AnimeCategoryDialog? = null,
-    ) : AnimeCategoryScreenState() {
+    ) : AnimeCategoryScreenState {
 
         val isEmpty: Boolean
             get() = categories.isEmpty()

app/src/main/java/eu/kanade/tachiyomi/ui/category/manga/MangaCategoryScreenModel.kt

@@ -130,27 +130,27 @@ class MangaCategoryScreenModel(
     }
 }
 
-sealed class MangaCategoryDialog {
+sealed interface MangaCategoryDialog {
-    data object Create : MangaCategoryDialog()
+    data object Create : MangaCategoryDialog
-    data class Rename(val category: Category) : MangaCategoryDialog()
+    data class Rename(val category: Category) : MangaCategoryDialog
-    data class Delete(val category: Category) : MangaCategoryDialog()
+    data class Delete(val category: Category) : MangaCategoryDialog
 }
 
-sealed class MangaCategoryEvent {
+sealed interface MangaCategoryEvent {
-    sealed class LocalizedMessage(@StringRes val stringRes: Int) : MangaCategoryEvent()
+    sealed class LocalizedMessage(@StringRes val stringRes: Int) : MangaCategoryEvent
     data object InternalError : LocalizedMessage(R.string.internal_error)
 }
 
-sealed class MangaCategoryScreenState {
+sealed interface MangaCategoryScreenState {
 
     @Immutable
-    data object Loading : MangaCategoryScreenState()
+    data object Loading : MangaCategoryScreenState
 
     @Immutable
     data class Success(
         val categories: List<Category>,
         val dialog: MangaCategoryDialog? = null,
-    ) : MangaCategoryScreenState() {
+    ) : MangaCategoryScreenState {
 
         val isEmpty: Boolean
             get() = categories.isEmpty()

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

@@ -81,12 +81,12 @@ class AnimeScreen(
 
         val state by screenModel.state.collectAsState()
 
-        if (state is AnimeScreenState.Loading) {
+        if (state is AnimeScreenModel.State.Loading) {
             LoadingScreen()
             return
         }
 
-        val successState = state as AnimeScreenState.Success
+        val successState = state as AnimeScreenModel.State.Success
         val isAnimeHttpSource = remember { successState.source is AnimeHttpSource }
 
         LaunchedEffect(successState.anime, screenModel.source) {

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

@@ -105,10 +105,10 @@ class AnimeScreenModel(
     private val setAnimeCategories: SetAnimeCategories = Injekt.get(),
     internal val setAnimeViewerFlags: SetAnimeViewerFlags = Injekt.get(),
     val snackbarHostState: SnackbarHostState = SnackbarHostState(),
-) : StateScreenModel<AnimeScreenState>(AnimeScreenState.Loading) {
+) : StateScreenModel<AnimeScreenModel.State>(State.Loading) {
 
-    private val successState: AnimeScreenState.Success?
+    private val successState: State.Success?
-        get() = state.value as? AnimeScreenState.Success
+        get() = state.value as? State.Success
 
     private val loggedServices by lazy { trackManager.services.filter { it.isLogged && it is AnimeTrackService } }
 
@@ -145,11 +145,11 @@ class AnimeScreenModel(
     /**
      * Helper function to update the UI state only if it's currently in success state
      */
-    private inline fun updateSuccessState(func: (AnimeScreenState.Success) -> AnimeScreenState.Success) {
+    private inline fun updateSuccessState(func: (State.Success) -> State.Success) {
         mutableState.update {
             when (it) {
-                AnimeScreenState.Loading -> it
+                State.Loading -> it
-                is AnimeScreenState.Success -> func(it)
+                is State.Success -> func(it)
             }
         }
     }
@@ -187,7 +187,7 @@ class AnimeScreenModel(
 
             // Show what we have earlier
             mutableState.update {
-                AnimeScreenState.Success(
+                State.Success(
                     anime = anime,
                     source = Injekt.get<AnimeSourceManager>().getOrStub(anime.source),
                     isFromSource = isFromSource,
@@ -351,8 +351,7 @@ class AnimeScreenModel(
     }
 
     fun promptChangeCategories() {
-        val state = successState ?: return
+        val anime = successState?.anime ?: return
-        val anime = state.anime
         coroutineScope.launch {
             val categories = getCategories()
             val selection = getAnimeCategoryIds(anime)
@@ -685,9 +684,9 @@ class AnimeScreenModel(
     }
 
     fun markPreviousEpisodeSeen(pointer: Episode) {
-        val successState = successState ?: return
+        val anime = successState?.anime ?: return
         val episodes = processedEpisodes.orEmpty().map { it.episode }.toList()
-        val prevEpisodes = if (successState.anime.sortDescending()) episodes.asReversed() else episodes
+        val prevEpisodes = if (anime.sortDescending()) episodes.asReversed() else episodes
         val pointerPos = prevEpisodes.indexOf(pointer)
         if (pointerPos != -1) markEpisodesSeen(prevEpisodes.take(pointerPos), true)
     }
@@ -969,15 +968,15 @@ class AnimeScreenModel(
 
     // Track sheet - end
 
-    sealed class Dialog {
+    sealed interface Dialog {
-        data class ChangeCategory(val anime: Anime, val initialSelection: List<CheckboxState<Category>>) : Dialog()
+        data class ChangeCategory(val anime: Anime, val initialSelection: List<CheckboxState<Category>>) : Dialog
-        data class DeleteEpisodes(val episodes: List<Episode>) : Dialog()
+        data class DeleteEpisodes(val episodes: List<Episode>) : Dialog
-        data class DuplicateAnime(val anime: Anime, val duplicate: Anime) : Dialog()
+        data class DuplicateAnime(val anime: Anime, val duplicate: Anime) : Dialog
-        data class ShowQualities(val episode: Episode, val anime: Anime, val source: AnimeSource) : Dialog()
+        data class ShowQualities(val episode: Episode, val anime: Anime, val source: AnimeSource) : Dialog
-        data object ChangeAnimeSkipIntro : Dialog()
+        data object ChangeAnimeSkipIntro : Dialog
-        data object SettingsSheet : Dialog()
+        data object SettingsSheet : Dialog
-        data object TrackSheet : Dialog()
+        data object TrackSheet : Dialog
-        data object FullCover : Dialog()
+        data object FullCover : Dialog
     }
 
     fun dismissDialog() {
@@ -1007,55 +1006,60 @@ class AnimeScreenModel(
     private fun showQualitiesDialog(episode: Episode) {
         updateSuccessState { it.copy(dialog = Dialog.ShowQualities(episode, it.anime, it.source)) }
     }
-}
 
-sealed class AnimeScreenState {
+    sealed interface State {
-    @Immutable
+        @Immutable
-    object Loading : AnimeScreenState()
+        object Loading : State
 
-    @Immutable
+        @Immutable
-    data class Success(
+        data class Success(
-        val anime: Anime,
+            val anime: Anime,
-        val source: AnimeSource,
+            val source: AnimeSource,
-        val isFromSource: Boolean,
+            val isFromSource: Boolean,
-        val episodes: List<EpisodeItem>,
+            val episodes: List<EpisodeItem>,
-        val trackItems: List<AnimeTrackItem> = emptyList(),
+            val trackItems: List<AnimeTrackItem> = emptyList(),
-        val isRefreshingData: Boolean = false,
+            val isRefreshingData: Boolean = false,
-        val dialog: AnimeScreenModel.Dialog? = null,
+            val dialog: Dialog? = null,
-        val hasPromptedToAddBefore: Boolean = false,
+            val hasPromptedToAddBefore: Boolean = false,
-        val nextAiringEpisode: Pair<Int, Long> = Pair(anime.nextEpisodeToAir, anime.nextEpisodeAiringAt),
+            val nextAiringEpisode: Pair<Int, Long> = Pair(anime.nextEpisodeToAir, anime.nextEpisodeAiringAt),
-    ) : AnimeScreenState() {
+        ) : State {
 
-        val processedEpisodes by lazy {
+            val processedEpisodes by lazy {
-            episodes.applyFilters(anime).toList()
+                episodes.applyFilters(anime).toList()
-        }
+            }
 
-        val trackingAvailable: Boolean
+            val trackingAvailable: Boolean
-            get() = trackItems.isNotEmpty()
+                get() = trackItems.isNotEmpty()
 
-        val trackingCount: Int
+            val trackingCount: Int
-            get() = trackItems.count { it.track != null }
+                get() = trackItems.count { it.track != null }
 
-        val airingEpisodeNumber: Double
+            val airingEpisodeNumber: Double
-            get() = nextAiringEpisode.first.toDouble()
+                get() = nextAiringEpisode.first.toDouble()
 
-        val airingTime: Long
+            val airingTime: Long
-            get() = nextAiringEpisode.second.times(1000L).minus(Calendar.getInstance().timeInMillis)
+                get() = nextAiringEpisode.second.times(1000L).minus(Calendar.getInstance().timeInMillis)
 
-        /**
+            /**
-         * Applies the view filters to the list of episodes obtained from the database.
+             * Applies the view filters to the list of episodes obtained from the database.
-         * @return an observable of the list of episodes filtered and sorted.
+             * @return an observable of the list of episodes filtered and sorted.
-         */
+             */
-        private fun List<EpisodeItem>.applyFilters(anime: Anime): Sequence<EpisodeItem> {
+            private fun List<EpisodeItem>.applyFilters(anime: Anime): Sequence<EpisodeItem> {
-            val isLocalAnime = anime.isLocal()
+                val isLocalAnime = anime.isLocal()
-            val unseenFilter = anime.unseenFilter
+                val unseenFilter = anime.unseenFilter
-            val downloadedFilter = anime.downloadedFilter
+                val downloadedFilter = anime.downloadedFilter
-            val bookmarkedFilter = anime.bookmarkedFilter
+                val bookmarkedFilter = anime.bookmarkedFilter
-            return asSequence()
+                return asSequence()
-                .filter { (episode) -> applyFilter(unseenFilter) { !episode.seen } }
+                    .filter { (episode) -> applyFilter(unseenFilter) { !episode.seen } }
-                .filter { (episode) -> applyFilter(bookmarkedFilter) { episode.bookmark } }
+                    .filter { (episode) -> applyFilter(bookmarkedFilter) { episode.bookmark } }
-                .filter { applyFilter(downloadedFilter) { it.isDownloaded || isLocalAnime } }
+                    .filter { applyFilter(downloadedFilter) { it.isDownloaded || isLocalAnime } }
-                .sortedWith { (episode1), (episode2) -> getEpisodeSort(anime).invoke(episode1, episode2) }
+                    .sortedWith { (episode1), (episode2) ->
+                        getEpisodeSort(anime).invoke(
+                            episode1,
+                            episode2,
+                        )
+                    }
+            }
         }
     }
 }

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

@@ -76,12 +76,12 @@ class MangaScreen(
 
         val state by screenModel.state.collectAsState()
 
-        if (state is MangaScreenState.Loading) {
+        if (state is MangaScreenModel.State.Loading) {
             LoadingScreen()
             return
         }
 
-        val successState = state as MangaScreenState.Success
+        val successState = state as MangaScreenModel.State.Success
         val isHttpSource = remember { successState.source is HttpSource }
 
         LaunchedEffect(successState.manga, screenModel.source) {

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

@@ -100,10 +100,10 @@ class MangaScreenModel(
     private val getTracks: GetMangaTracks = Injekt.get(),
     private val setMangaCategories: SetMangaCategories = Injekt.get(),
     val snackbarHostState: SnackbarHostState = SnackbarHostState(),
-) : StateScreenModel<MangaScreenState>(MangaScreenState.Loading) {
+) : StateScreenModel<MangaScreenModel.State>(State.Loading) {
 
-    private val successState: MangaScreenState.Success?
+    private val successState: State.Success?
-        get() = state.value as? MangaScreenState.Success
+        get() = state.value as? State.Success
 
     private val loggedServices by lazy { trackManager.services.filter { it.isLogged && it is MangaTrackService } }
 
@@ -140,11 +140,11 @@ class MangaScreenModel(
     /**
      * Helper function to update the UI state only if it's currently in success state
      */
-    private inline fun updateSuccessState(func: (MangaScreenState.Success) -> MangaScreenState.Success) {
+    private inline fun updateSuccessState(func: (State.Success) -> State.Success) {
         mutableState.update {
             when (it) {
-                MangaScreenState.Loading -> it
+                State.Loading -> it
-                is MangaScreenState.Success -> func(it)
+                is State.Success -> func(it)
             }
         }
     }
@@ -182,7 +182,7 @@ class MangaScreenModel(
 
             // Show what we have earlier
             mutableState.update {
-                MangaScreenState.Success(
+                State.Success(
                     manga = manga,
                     source = Injekt.get<MangaSourceManager>().getOrStub(manga.source),
                     isFromSource = isFromSource,
@@ -347,8 +347,7 @@ class MangaScreenModel(
     }
 
     fun promptChangeCategories() {
-        val state = successState ?: return
+        val manga = successState?.manga ?: return
-        val manga = state.manga
         coroutineScope.launch {
             val categories = getCategories()
             val selection = getMangaCategoryIds(manga)
@@ -675,9 +674,9 @@ class MangaScreenModel(
     }
 
     fun markPreviousChapterRead(pointer: Chapter) {
-        val successState = successState ?: return
+        val manga = successState?.manga ?: return
         val chapters = filteredChapters.orEmpty().map { it.chapter }
-        val prevChapters = if (successState.manga.sortDescending()) chapters.asReversed() else chapters
+        val prevChapters = if (manga.sortDescending()) chapters.asReversed() else chapters
         val pointerPos = prevChapters.indexOf(pointer)
         if (pointerPos != -1) markChaptersRead(prevChapters.take(pointerPos), true)
     }
@@ -953,13 +952,13 @@ class MangaScreenModel(
 
     // Track sheet - end
 
-    sealed class Dialog {
+    sealed interface Dialog {
-        data class ChangeCategory(val manga: Manga, val initialSelection: List<CheckboxState<Category>>) : Dialog()
+        data class ChangeCategory(val manga: Manga, val initialSelection: List<CheckboxState<Category>>) : Dialog
-        data class DeleteChapters(val chapters: List<Chapter>) : Dialog()
+        data class DeleteChapters(val chapters: List<Chapter>) : Dialog
-        data class DuplicateManga(val manga: Manga, val duplicate: Manga) : Dialog()
+        data class DuplicateManga(val manga: Manga, val duplicate: Manga) : Dialog
-        data object SettingsSheet : Dialog()
+        data object SettingsSheet : Dialog
-        data object TrackSheet : Dialog()
+        data object TrackSheet : Dialog
-        data object FullCover : Dialog()
+        data object FullCover : Dialog
     }
 
     fun dismissDialog() {
@@ -981,48 +980,53 @@ class MangaScreenModel(
     fun showCoverDialog() {
         updateSuccessState { it.copy(dialog = Dialog.FullCover) }
     }
-}
 
-sealed class MangaScreenState {
+    sealed interface State {
-    @Immutable
+        @Immutable
-    object Loading : MangaScreenState()
+        object Loading : State
 
-    @Immutable
+        @Immutable
-    data class Success(
+        data class Success(
-        val manga: Manga,
+            val manga: Manga,
-        val source: MangaSource,
+            val source: MangaSource,
-        val isFromSource: Boolean,
+            val isFromSource: Boolean,
-        val chapters: List<ChapterItem>,
+            val chapters: List<ChapterItem>,
-        val trackItems: List<MangaTrackItem> = emptyList(),
+            val trackItems: List<MangaTrackItem> = emptyList(),
-        val isRefreshingData: Boolean = false,
+            val isRefreshingData: Boolean = false,
-        val dialog: MangaScreenModel.Dialog? = null,
+            val dialog: Dialog? = null,
-        val hasPromptedToAddBefore: Boolean = false,
+            val hasPromptedToAddBefore: Boolean = false,
-    ) : MangaScreenState() {
+        ) : State {
 
-        val processedChapters by lazy {
+            val processedChapters by lazy {
-            chapters.applyFilters(manga).toList()
+                chapters.applyFilters(manga).toList()
-        }
+            }
 
-        val trackingAvailable: Boolean
+            val trackingAvailable: Boolean
-            get() = trackItems.isNotEmpty()
+                get() = trackItems.isNotEmpty()
 
-        val trackingCount: Int
+            val trackingCount: Int
-            get() = trackItems.count { it.track != null }
+                get() = trackItems.count { it.track != null }
 
-        /**
+            /**
-         * Applies the view filters to the list of chapters obtained from the database.
+             * Applies the view filters to the list of chapters obtained from the database.
-         * @return an observable of the list of chapters filtered and sorted.
+             * @return an observable of the list of chapters filtered and sorted.
-         */
+             */
-        private fun List<ChapterItem>.applyFilters(manga: Manga): Sequence<ChapterItem> {
+            private fun List<ChapterItem>.applyFilters(manga: Manga): Sequence<ChapterItem> {
-            val isLocalManga = manga.isLocal()
+                val isLocalManga = manga.isLocal()
-            val unreadFilter = manga.unreadFilter
+                val unreadFilter = manga.unreadFilter
-            val downloadedFilter = manga.downloadedFilter
+                val downloadedFilter = manga.downloadedFilter
-            val bookmarkedFilter = manga.bookmarkedFilter
+                val bookmarkedFilter = manga.bookmarkedFilter
-            return asSequence()
+                return asSequence()
-                .filter { (chapter) -> applyFilter(unreadFilter) { !chapter.read } }
+                    .filter { (chapter) -> applyFilter(unreadFilter) { !chapter.read } }
-                .filter { (chapter) -> applyFilter(bookmarkedFilter) { chapter.bookmark } }
+                    .filter { (chapter) -> applyFilter(bookmarkedFilter) { chapter.bookmark } }
-                .filter { applyFilter(downloadedFilter) { it.isDownloaded || isLocalManga } }
+                    .filter { applyFilter(downloadedFilter) { it.isDownloaded || isLocalManga } }
-                .sortedWith { (chapter1), (chapter2) -> getChapterSort(manga).invoke(chapter1, chapter2) }
+                    .sortedWith { (chapter1), (chapter2) ->
+                        getChapterSort(manga).invoke(
+                            chapter1,
+                            chapter2,
+                        )
+                    }
+            }
         }
     }
 }

app/src/main/java/eu/kanade/tachiyomi/ui/history/anime/AnimeHistoryScreenModel.kt

@@ -37,7 +37,7 @@ class AnimeHistoryScreenModel(
     private val getHistory: GetAnimeHistory = Injekt.get(),
     private val getNextEpisodes: GetNextEpisodes = Injekt.get(),
     private val removeHistory: RemoveAnimeHistory = Injekt.get(),
-) : StateScreenModel<AnimeHistoryState>(AnimeHistoryState()) {
+) : StateScreenModel<AnimeHistoryScreenModel.State>(State()) {
 
     private val _events: Channel<Event> = Channel(Channel.UNLIMITED)
     val events: Flow<Event> = _events.receiveAsFlow()
@@ -119,20 +119,21 @@ class AnimeHistoryScreenModel(
         mutableState.update { it.copy(dialog = dialog) }
     }
 
-    sealed class Dialog {
+    @Immutable
-        data object DeleteAll : Dialog()
+    data class State(
-        data class Delete(val history: AnimeHistoryWithRelations) : Dialog()
+        val searchQuery: String? = null,
+        val list: List<AnimeHistoryUiModel>? = null,
+        val dialog: Dialog? = null,
+    )
+
+    sealed interface Dialog {
+        data object DeleteAll : Dialog
+        data class Delete(val history: AnimeHistoryWithRelations) : Dialog
     }
 
-    sealed class Event {
+    sealed interface Event {
-        data class OpenEpisode(val episode: Episode?) : Event()
+        data class OpenEpisode(val episode: Episode?) : Event
-        data object InternalError : Event()
+        data object InternalError : Event
-        data object HistoryCleared : Event()
+        data object HistoryCleared : Event
     }
 }
-
-@Immutable
-data class AnimeHistoryState(
-    val list: List<AnimeHistoryUiModel>? = null,
-    val dialog: AnimeHistoryScreenModel.Dialog? = null,
-)

app/src/main/java/eu/kanade/tachiyomi/ui/history/manga/MangaHistoryScreenModel.kt

@@ -37,7 +37,7 @@ class MangaHistoryScreenModel(
     private val getHistory: GetMangaHistory = Injekt.get(),
     private val getNextChapters: GetNextChapters = Injekt.get(),
     private val removeHistory: RemoveMangaHistory = Injekt.get(),
-) : StateScreenModel<HistoryState>(HistoryState()) {
+) : StateScreenModel<MangaHistoryScreenModel.State>(State()) {
 
     private val _events: Channel<Event> = Channel(Channel.UNLIMITED)
     val events: Flow<Event> = _events.receiveAsFlow()
@@ -119,20 +119,21 @@ class MangaHistoryScreenModel(
         mutableState.update { it.copy(dialog = dialog) }
     }
 
-    sealed class Dialog {
+    @Immutable
-        data object DeleteAll : Dialog()
+    data class State(
-        data class Delete(val history: MangaHistoryWithRelations) : Dialog()
+        val searchQuery: String? = null,
+        val list: List<MangaHistoryUiModel>? = null,
+        val dialog: Dialog? = null,
+    )
+
+    sealed interface Dialog {
+        data object DeleteAll : Dialog
+        data class Delete(val history: MangaHistoryWithRelations) : Dialog
     }
 
-    sealed class Event {
+    sealed interface Event {
-        data class OpenChapter(val chapter: Chapter?) : Event()
+        data class OpenChapter(val chapter: Chapter?) : Event
-        data object InternalError : Event()
+        data object InternalError : Event
-        data object HistoryCleared : Event()
+        data object HistoryCleared : Event
     }
 }
-
-@Immutable
-data class HistoryState(
-    val list: List<MangaHistoryUiModel>? = null,
-    val dialog: MangaHistoryScreenModel.Dialog? = null,
-)

app/src/main/java/eu/kanade/tachiyomi/ui/home/HomeScreen.kt

@@ -336,12 +336,12 @@ object HomeScreen : Screen() {
         showBottomNavEvent.send(show)
     }
 
-    sealed class Tab {
+    sealed interface Tab {
-        data class Animelib(val animeIdToOpen: Long? = null) : Tab()
+        data class Animelib(val animeIdToOpen: Long? = null) : Tab
-        data class Library(val mangaIdToOpen: Long? = null) : Tab()
+        data class Library(val mangaIdToOpen: Long? = null) : Tab
-        data object Updates : Tab()
+        data object Updates : Tab
-        data object History : Tab()
+        data object History : Tab
-        data class Browse(val toExtensions: Boolean = false) : Tab()
+        data class Browse(val toExtensions: Boolean = false) : Tab
-        data class More(val toDownloads: Boolean) : Tab()
+        data class More(val toDownloads: Boolean) : Tab
     }
 }

app/src/main/java/eu/kanade/tachiyomi/ui/library/anime/AnimeLibraryScreenModel.kt

@@ -664,10 +664,10 @@ class AnimeLibraryScreenModel(
         mutableState.update { it.copy(dialog = null) }
     }
 
-    sealed class Dialog {
+    sealed interface Dialog {
-        data object SettingsSheet : Dialog()
+        data object SettingsSheet : Dialog
-        data class ChangeCategory(val anime: List<Anime>, val initialSelection: List<CheckboxState<Category>>) : Dialog()
+        data class ChangeCategory(val anime: List<Anime>, val initialSelection: List<CheckboxState<Category>>) : Dialog
-        data class DeleteAnime(val anime: List<Anime>) : Dialog()
+        data class DeleteAnime(val anime: List<Anime>) : Dialog
     }
 
     @Immutable

app/src/main/java/eu/kanade/tachiyomi/ui/library/manga/MangaLibraryScreenModel.kt

@@ -658,10 +658,10 @@ class MangaLibraryScreenModel(
         mutableState.update { it.copy(dialog = null) }
     }
 
-    sealed class Dialog {
+    sealed interface Dialog {
-        data object SettingsSheet : Dialog()
+        data object SettingsSheet : Dialog
-        data class ChangeCategory(val manga: List<Manga>, val initialSelection: List<CheckboxState<Category>>) : Dialog()
+        data class ChangeCategory(val manga: List<Manga>, val initialSelection: List<CheckboxState<Category>>) : Dialog
-        data class DeleteManga(val manga: List<Manga>) : Dialog()
+        data class DeleteManga(val manga: List<Manga>) : Dialog
     }
 
     @Immutable

app/src/main/java/eu/kanade/tachiyomi/ui/more/MoreTab.kt

@@ -134,8 +134,8 @@ private class MoreScreenModel(
     }
 }
 
-sealed class DownloadQueueState {
+sealed interface DownloadQueueState {
-    data object Stopped : DownloadQueueState()
+    data object Stopped : DownloadQueueState
-    data class Paused(val pending: Int) : DownloadQueueState()
+    data class Paused(val pending: Int) : DownloadQueueState
-    data class Downloading(val pending: Int) : DownloadQueueState()
+    data class Downloading(val pending: Int) : DownloadQueueState
 }

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

@@ -815,9 +815,9 @@ class ReaderViewModel @JvmOverloads constructor(
         Error,
     }
 
-    sealed class SaveImageResult {
+    sealed interface SaveImageResult {
-        class Success(val uri: Uri) : SaveImageResult()
+        class Success(val uri: Uri) : SaveImageResult
-        class Error(val error: Throwable) : SaveImageResult()
+        class Error(val error: Throwable) : SaveImageResult
     }
 
     /**
@@ -907,18 +907,18 @@ class ReaderViewModel @JvmOverloads constructor(
             get() = viewerChapters?.currChapter?.pages?.size ?: -1
     }
 
-    sealed class Dialog {
+    sealed interface Dialog {
-        data object Loading : Dialog()
+        data object Loading : Dialog
-        data object Settings : Dialog()
+        data object Settings : Dialog
-        data class PageActions(val page: ReaderPage) : Dialog()
+        data class PageActions(val page: ReaderPage) : Dialog
     }
 
-    sealed class Event {
+    sealed interface Event {
-        data object ReloadViewerChapters : Event()
+        data object ReloadViewerChapters : Event
-        data class SetOrientation(val orientation: Int) : Event()
+        data class SetOrientation(val orientation: Int) : Event
-        data class SetCoverResult(val result: SetAsCoverResult) : Event()
+        data class SetCoverResult(val result: SetAsCoverResult) : Event
 
-        data class SavedImage(val result: SaveImageResult) : Event()
+        data class SavedImage(val result: SaveImageResult) : Event
-        data class ShareImage(val uri: Uri, val page: ReaderPage) : Event()
+        data class ShareImage(val uri: Uri, val page: ReaderPage) : Event
     }
 }

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

@@ -39,10 +39,10 @@ data class ReaderChapter(val chapter: Chapter) {
         }
     }
 
-    sealed class State {
+    sealed interface State {
-        data object Wait : State()
+        data object Wait : State
-        data object Loading : State()
+        data object Loading : State
-        data class Error(val error: Throwable) : State()
+        data class Error(val error: Throwable) : State
-        data class Loaded(val pages: List<ReaderPage>) : State()
+        data class Loaded(val pages: List<ReaderPage>) : State
     }
 }

app/src/main/java/eu/kanade/tachiyomi/ui/updates/anime/AnimeUpdatesScreenModel.kt

@@ -62,7 +62,7 @@ class AnimeUpdatesScreenModel(
     val snackbarHostState: SnackbarHostState = SnackbarHostState(),
     downloadPreferences: DownloadPreferences = Injekt.get(),
     uiPreferences: UiPreferences = Injekt.get(),
-) : StateScreenModel<AnimeUpdatesState>(AnimeUpdatesState()) {
+) : StateScreenModel<AnimeUpdatesScreenModel.State>(State()) {
 
     private val _events: Channel<Event> = Channel(Int.MAX_VALUE)
     val events: Flow<Event> = _events.receiveAsFlow()
@@ -378,47 +378,47 @@ class AnimeUpdatesScreenModel(
         libraryPreferences.newAnimeUpdatesCount().set(0)
     }
 
-    sealed class Dialog {
+    @Immutable
-        data class DeleteConfirmation(val toDelete: List<AnimeUpdatesItem>) : Dialog()
+    data class State(
-        data class ShowQualities(val episodeTitle: String, val episodeId: Long, val animeId: Long, val sourceId: Long) : Dialog()
+        val isLoading: Boolean = true,
-    }
+        val items: List<AnimeUpdatesItem> = emptyList(),
+        val dialog: AnimeUpdatesScreenModel.Dialog? = null,
+    ) {
+        val selected = items.filter { it.selected }
+        val selectionMode = selected.isNotEmpty()
 
-    sealed class Event {
+        fun getUiModel(context: Context, relativeTime: Int): List<AnimeUpdatesUiModel> {
-        data object InternalError : Event()
+            val dateFormat by mutableStateOf(UiPreferences.dateFormat(Injekt.get<UiPreferences>().dateFormat().get()))
-        data class LibraryUpdateTriggered(val started: Boolean) : Event()
-    }
-}
 
-@Immutable
+            return items
-data class AnimeUpdatesState(
+                .map { AnimeUpdatesUiModel.Item(it) }
-    val isLoading: Boolean = true,
+                .insertSeparators { before, after ->
-    val items: List<AnimeUpdatesItem> = emptyList(),
+                    val beforeDate = before?.item?.update?.dateFetch?.toDateKey() ?: Date(0)
-    val dialog: AnimeUpdatesScreenModel.Dialog? = null,
+                    val afterDate = after?.item?.update?.dateFetch?.toDateKey() ?: Date(0)
-) {
+                    when {
-    val selected = items.filter { it.selected }
+                        beforeDate.time != afterDate.time && afterDate.time != 0L -> {
-    val selectionMode = selected.isNotEmpty()
+                            val text = afterDate.toRelativeString(
-
+                                context = context,
-    fun getUiModel(context: Context, relativeTime: Int): List<AnimeUpdatesUiModel> {
+                                range = relativeTime,
-        val dateFormat by mutableStateOf(UiPreferences.dateFormat(Injekt.get<UiPreferences>().dateFormat().get()))
+                                dateFormat = dateFormat,
-
+                            )
-        return items
+                            AnimeUpdatesUiModel.Header(text)
-            .map { AnimeUpdatesUiModel.Item(it) }
+                        }
-            .insertSeparators { before, after ->
+                        // Return null to avoid adding a separator between two items.
-                val beforeDate = before?.item?.update?.dateFetch?.toDateKey() ?: Date(0)
+                        else -> null
-                val afterDate = after?.item?.update?.dateFetch?.toDateKey() ?: Date(0)
-                when {
-                    beforeDate.time != afterDate.time && afterDate.time != 0L -> {
-                        val text = afterDate.toRelativeString(
-                            context = context,
-                            range = relativeTime,
-                            dateFormat = dateFormat,
-                        )
-                        AnimeUpdatesUiModel.Header(text)
                     }
-                    // Return null to avoid adding a separator between two items.
-                    else -> null
                 }
-            }
+        }
+    }
+
+    sealed interface Dialog {
+        data class DeleteConfirmation(val toDelete: List<AnimeUpdatesItem>) : Dialog
+        data class ShowQualities(val episodeTitle: String, val episodeId: Long, val animeId: Long, val sourceId: Long) : Dialog
+    }
+
+    sealed interface Event {
+        data object InternalError : Event
+        data class LibraryUpdateTriggered(val started: Boolean) : Event
     }
 }
 

app/src/main/java/eu/kanade/tachiyomi/ui/updates/manga/MangaUpdatesScreenModel.kt

@@ -60,7 +60,7 @@ class MangaUpdatesScreenModel(
     private val libraryPreferences: LibraryPreferences = Injekt.get(),
     val snackbarHostState: SnackbarHostState = SnackbarHostState(),
     uiPreferences: UiPreferences = Injekt.get(),
-) : StateScreenModel<UpdatesState>(UpdatesState()) {
+) : StateScreenModel<MangaUpdatesScreenModel.State>(State()) {
 
     private val _events: Channel<Event> = Channel(Int.MAX_VALUE)
     val events: Flow<Event> = _events.receiveAsFlow()
@@ -366,46 +366,46 @@ class MangaUpdatesScreenModel(
         libraryPreferences.newMangaUpdatesCount().set(0)
     }
 
-    sealed class Dialog {
+    @Immutable
-        data class DeleteConfirmation(val toDelete: List<MangaUpdatesItem>) : Dialog()
+    data class State(
-    }
+        val isLoading: Boolean = true,
+        val items: List<MangaUpdatesItem> = emptyList(),
+        val dialog: MangaUpdatesScreenModel.Dialog? = null,
+    ) {
+        val selected = items.filter { it.selected }
+        val selectionMode = selected.isNotEmpty()
 
-    sealed class Event {
+        fun getUiModel(context: Context, relativeTime: Int): List<MangaUpdatesUiModel> {
-        data object InternalError : Event()
+            val dateFormat by mutableStateOf(UiPreferences.dateFormat(Injekt.get<UiPreferences>().dateFormat().get()))
-        data class LibraryUpdateTriggered(val started: Boolean) : Event()
-    }
-}
 
-@Immutable
+            return items
-data class UpdatesState(
+                .map { MangaUpdatesUiModel.Item(it) }
-    val isLoading: Boolean = true,
+                .insertSeparators { before, after ->
-    val items: List<MangaUpdatesItem> = emptyList(),
+                    val beforeDate = before?.item?.update?.dateFetch?.toDateKey() ?: Date(0)
-    val dialog: MangaUpdatesScreenModel.Dialog? = null,
+                    val afterDate = after?.item?.update?.dateFetch?.toDateKey() ?: Date(0)
-) {
+                    when {
-    val selected = items.filter { it.selected }
+                        beforeDate.time != afterDate.time && afterDate.time != 0L -> {
-    val selectionMode = selected.isNotEmpty()
+                            val text = afterDate.toRelativeString(
-
+                                context = context,
-    fun getUiModel(context: Context, relativeTime: Int): List<MangaUpdatesUiModel> {
+                                range = relativeTime,
-        val dateFormat by mutableStateOf(UiPreferences.dateFormat(Injekt.get<UiPreferences>().dateFormat().get()))
+                                dateFormat = dateFormat,
-
+                            )
-        return items
+                            MangaUpdatesUiModel.Header(text)
-            .map { MangaUpdatesUiModel.Item(it) }
+                        }
-            .insertSeparators { before, after ->
+                        // Return null to avoid adding a separator between two items.
-                val beforeDate = before?.item?.update?.dateFetch?.toDateKey() ?: Date(0)
+                        else -> null
-                val afterDate = after?.item?.update?.dateFetch?.toDateKey() ?: Date(0)
-                when {
-                    beforeDate.time != afterDate.time && afterDate.time != 0L -> {
-                        val text = afterDate.toRelativeString(
-                            context = context,
-                            range = relativeTime,
-                            dateFormat = dateFormat,
-                        )
-                        MangaUpdatesUiModel.Header(text)
                     }
-                    // Return null to avoid adding a separator between two items.
-                    else -> null
                 }
-            }
+        }
+    }
+
+    sealed interface Dialog {
+        data class DeleteConfirmation(val toDelete: List<MangaUpdatesItem>) : Dialog
+    }
+
+    sealed interface Event {
+        data object InternalError : Event
+        data class LibraryUpdateTriggered(val started: Boolean) : Event
     }
 }
 

domain/src/main/java/tachiyomi/domain/category/anime/interactor/CreateAnimeCategoryWithName.kt

@@ -38,8 +38,8 @@ class CreateAnimeCategoryWithName(
         }
     }
 
-    sealed class Result {
+    sealed interface Result {
-        data object Success : Result()
+        data object Success : Result
-        data class InternalError(val error: Throwable) : Result()
+        data class InternalError(val error: Throwable) : Result
     }
 }

domain/src/main/java/tachiyomi/domain/category/anime/interactor/DeleteAnimeCategory.kt

@@ -35,8 +35,8 @@ class DeleteAnimeCategory(
         }
     }
 
-    sealed class Result {
+    sealed interface Result {
-        data object Success : Result()
+        data object Success : Result
-        data class InternalError(val error: Throwable) : Result()
+        data class InternalError(val error: Throwable) : Result
     }
 }

domain/src/main/java/tachiyomi/domain/category/anime/interactor/HideAnimeCategory.kt

@@ -27,7 +27,7 @@ class HideAnimeCategory(
     }
 
     sealed class Result {
-        object Success : Result()
+        data object Success : Result()
         data class InternalError(val error: Throwable) : Result()
     }
 }

domain/src/main/java/tachiyomi/domain/category/anime/interactor/RenameAnimeCategory.kt

@@ -28,8 +28,8 @@ class RenameAnimeCategory(
 
     suspend fun await(category: Category, name: String) = await(category.id, name)
 
-    sealed class Result {
+    sealed interface Result {
-        object Success : Result()
+        data object Success : Result
-        data class InternalError(val error: Throwable) : Result()
+        data class InternalError(val error: Throwable) : Result
     }
 }

domain/src/main/java/tachiyomi/domain/category/anime/interactor/ReorderAnimeCategory.kt

@@ -57,10 +57,10 @@ class ReorderAnimeCategory(
         }
     }
 
-    sealed class Result {
+    sealed interface Result {
-        data object Success : Result()
+        data object Success : Result
-        data object Unchanged : Result()
+        data object Unchanged : Result
-        data class InternalError(val error: Throwable) : Result()
+        data class InternalError(val error: Throwable) : Result
     }
 
     private enum class MoveTo {

domain/src/main/java/tachiyomi/domain/category/anime/interactor/UpdateAnimeCategory.kt

@@ -17,8 +17,8 @@ class UpdateAnimeCategory(
         }
     }
 
-    sealed class Result {
+    sealed interface Result {
-        data object Success : Result()
+        data object Success : Result
-        data class Error(val error: Exception) : Result()
+        data class Error(val error: Exception) : Result
     }
 }

domain/src/main/java/tachiyomi/domain/category/manga/interactor/CreateMangaCategoryWithName.kt

@@ -38,8 +38,8 @@ class CreateMangaCategoryWithName(
         }
     }
 
-    sealed class Result {
+    sealed interface Result {
-        data object Success : Result()
+        data object Success : Result
-        data class InternalError(val error: Throwable) : Result()
+        data class InternalError(val error: Throwable) : Result
     }
 }

domain/src/main/java/tachiyomi/domain/category/manga/interactor/DeleteMangaCategory.kt

@@ -35,8 +35,8 @@ class DeleteMangaCategory(
         }
     }
 
-    sealed class Result {
+    sealed interface Result {
-        data object Success : Result()
+        data object Success : Result
-        data class InternalError(val error: Throwable) : Result()
+        data class InternalError(val error: Throwable) : Result
     }
 }