Merge branch 'devel' of github.com:KotatsuApp/Kotatsu into devel

Currently translated at 100.0% (498 of 498 strings)

Co-authored-by: gallegonovato <fran-carro@hotmail.es>
Translate-URL: https://hosted.weblate.org/projects/kotatsu/strings/es/
Translation: Kotatsu/Strings

app/build.gradle

@@ -16,8 +16,8 @@ android {
 		applicationId 'org.koitharu.kotatsu'
 		minSdk = 21
 		targetSdk = 34
-		versionCode = 584
-		versionName = '6.1.6'
+		versionCode = 588
+		versionName = '6.2.1'
 		generatedDensities = []
 		testInstrumentationRunner "org.koitharu.kotatsu.HiltTestRunner"
 		ksp {
@@ -81,7 +81,7 @@ afterEvaluate {
 }
 dependencies {
 	//noinspection GradleDependency
-	implementation('com.github.KotatsuApp:kotatsu-parsers:400a90464e') {
+	implementation('com.github.KotatsuApp:kotatsu-parsers:0054d06e6e') {
 		exclude group: 'org.json', module: 'json'
 	}
 
@@ -132,7 +132,7 @@ dependencies {
 
 	implementation 'io.coil-kt:coil-base:2.4.0'
 	implementation 'io.coil-kt:coil-svg:2.4.0'
-	implementation 'com.github.KotatsuApp:subsampling-scale-image-view:169806d928'
+	implementation 'com.github.KotatsuApp:subsampling-scale-image-view:cf089a264d'
 	implementation 'com.github.solkin:disk-lru-cache:1.4'
 	implementation 'io.noties.markwon:core:4.6.2'
 

app/src/main/kotlin/org/koitharu/kotatsu/core/model/FavouriteCategory.kt

@@ -2,9 +2,9 @@ package org.koitharu.kotatsu.core.model
 
 import android.os.Parcelable
 import kotlinx.parcelize.Parcelize
+import org.koitharu.kotatsu.list.domain.ListSortOrder
 import org.koitharu.kotatsu.list.ui.ListModelDiffCallback
 import org.koitharu.kotatsu.list.ui.model.ListModel
-import org.koitharu.kotatsu.parsers.model.SortOrder
 import java.util.Date
 
 @Parcelize
@@ -12,7 +12,7 @@ data class FavouriteCategory(
 	val id: Long,
 	val title: String,
 	val sortKey: Int,
-	val order: SortOrder,
+	val order: ListSortOrder,
 	val createdAt: Date,
 	val isTrackingEnabled: Boolean,
 	val isVisibleInLibrary: Boolean,

app/src/main/kotlin/org/koitharu/kotatsu/core/network/GZipInterceptor.kt

@@ -2,6 +2,7 @@ package org.koitharu.kotatsu.core.network
 
 import okhttp3.Interceptor
 import okhttp3.Response
+import okio.IOException
 import org.koitharu.kotatsu.core.network.CommonHeaders.CONTENT_ENCODING
 
 class GZipInterceptor : Interceptor {
@@ -9,6 +10,10 @@ class GZipInterceptor : Interceptor {
 	override fun intercept(chain: Interceptor.Chain): Response {
 		val newRequest = chain.request().newBuilder()
 		newRequest.addHeader(CONTENT_ENCODING, "gzip")
-		return chain.proceed(newRequest.build())
+		return try {
+			chain.proceed(newRequest.build())
+		} catch (e: NullPointerException) {
+			throw IOException(e)
+		}
 	}
 }

app/src/main/kotlin/org/koitharu/kotatsu/core/parser/MangaIntent.kt

@@ -43,5 +43,7 @@ class MangaIntent private constructor(
 
 		const val KEY_MANGA = "manga"
 		const val KEY_ID = "id"
+
+		fun of(manga: Manga) = MangaIntent(manga, manga.id, null)
 	}
 }

app/src/main/kotlin/org/koitharu/kotatsu/core/parser/RemoteMangaRepository.kt

@@ -128,6 +128,10 @@ class RemoteMangaRepository(
 		return details.await()
 	}
 
+	suspend fun peekDetails(manga: Manga): Manga? {
+		return cache.getDetails(source, manga.url)
+	}
+
 	suspend fun find(manga: Manga): Manga? {
 		val list = getList(0, manga.title)
 		return list.find { x -> x.id == manga.id }

app/src/main/kotlin/org/koitharu/kotatsu/core/prefs/AppSettings.kt

@@ -22,7 +22,7 @@ import org.koitharu.kotatsu.core.util.ext.observe
 import org.koitharu.kotatsu.core.util.ext.putEnumValue
 import org.koitharu.kotatsu.core.util.ext.takeIfReadable
 import org.koitharu.kotatsu.core.util.ext.toUriOrNull
-import org.koitharu.kotatsu.history.domain.model.HistoryOrder
+import org.koitharu.kotatsu.list.domain.ListSortOrder
 import org.koitharu.kotatsu.parsers.model.SortOrder
 import org.koitharu.kotatsu.parsers.util.find
 import org.koitharu.kotatsu.parsers.util.mapNotNullToSet
@@ -72,6 +72,18 @@ class AppSettings @Inject constructor(@ApplicationContext context: Context) {
 		get() = prefs.getInt(KEY_GRID_SIZE, 100)
 		set(value) = prefs.edit { putInt(KEY_GRID_SIZE, value) }
 
+	var historyListMode: ListMode
+		get() = prefs.getEnumValue(KEY_LIST_MODE_HISTORY, listMode)
+		set(value) = prefs.edit { putEnumValue(KEY_LIST_MODE_HISTORY, value) }
+
+	var suggestionsListMode: ListMode
+		get() = prefs.getEnumValue(KEY_LIST_MODE_SUGGESTIONS, listMode)
+		set(value) = prefs.edit { putEnumValue(KEY_LIST_MODE_SUGGESTIONS, value) }
+
+	var favoritesListMode: ListMode
+		get() = prefs.getEnumValue(KEY_LIST_MODE_FAVORITES, listMode)
+		set(value) = prefs.edit { putEnumValue(KEY_LIST_MODE_FAVORITES, value) }
+
 	var isNsfwContentDisabled: Boolean
 		get() = prefs.getBoolean(KEY_DISABLE_NSFW, false)
 		set(value) = prefs.edit { putBoolean(KEY_DISABLE_NSFW, value) }
@@ -176,7 +188,7 @@ class AppSettings @Inject constructor(@ApplicationContext context: Context) {
 		set(value) = prefs.edit { putBoolean(KEY_PROTECT_APP_BIOMETRIC, value) }
 
 	val isMirrorSwitchingAvailable: Boolean
-		get() = prefs.getBoolean(KEY_MIRROR_SWITCHING, true)
+		get() = prefs.getBoolean(KEY_MIRROR_SWITCHING, false)
 
 	val isExitConfirmationEnabled: Boolean
 		get() = prefs.getBoolean(KEY_EXIT_CONFIRM, false)
@@ -201,6 +213,9 @@ class AppSettings @Inject constructor(@ApplicationContext context: Context) {
 		get() = prefs.getBoolean(KEY_SOURCES_GRID, false)
 		set(value) = prefs.edit { putBoolean(KEY_SOURCES_GRID, value) }
 
+	val isNewSourcesTipEnabled: Boolean
+		get() = prefs.getBoolean(KEY_SOURCES_NEW, true)
+
 	val isPagesNumbersEnabled: Boolean
 		get() = prefs.getBoolean(KEY_PAGES_NUMBERS, false)
 
@@ -304,8 +319,8 @@ class AppSettings @Inject constructor(@ApplicationContext context: Context) {
 		get() = prefs.getEnumValue(KEY_LOCAL_LIST_ORDER, SortOrder.NEWEST)
 		set(value) = prefs.edit { putEnumValue(KEY_LOCAL_LIST_ORDER, value) }
 
-	var historySortOrder: HistoryOrder
-		get() = prefs.getEnumValue(KEY_HISTORY_ORDER, HistoryOrder.UPDATED)
+	var historySortOrder: ListSortOrder
+		get() = prefs.getEnumValue(KEY_HISTORY_ORDER, ListSortOrder.UPDATED)
 		set(value) = prefs.edit { putEnumValue(KEY_HISTORY_ORDER, value) }
 
 	val isRelatedMangaEnabled: Boolean
@@ -336,6 +351,9 @@ class AppSettings @Inject constructor(@ApplicationContext context: Context) {
 			return policy.isNetworkAllowed(connectivityManager)
 		}
 
+	val is32BitColorsEnabled: Boolean
+		get() = prefs.getBoolean(KEY_32BIT_COLOR, false)
+
 	fun isTipEnabled(tip: String): Boolean {
 		return prefs.getStringSet(KEY_TIPS_CLOSED, emptySet())?.contains(tip) != true
 	}
@@ -401,6 +419,9 @@ class AppSettings @Inject constructor(@ApplicationContext context: Context) {
 		const val TRACK_FAVOURITES = "favourites"
 
 		const val KEY_LIST_MODE = "list_mode_2"
+		const val KEY_LIST_MODE_HISTORY = "list_mode_history"
+		const val KEY_LIST_MODE_FAVORITES = "list_mode_favorites"
+		const val KEY_LIST_MODE_SUGGESTIONS = "list_mode_suggestions"
 		const val KEY_THEME = "theme"
 		const val KEY_COLOR_THEME = "color_theme"
 		const val KEY_THEME_AMOLED = "amoled_theme"
@@ -474,6 +495,7 @@ class AppSettings @Inject constructor(@ApplicationContext context: Context) {
 		const val KEY_LOGGING_ENABLED = "logging"
 		const val KEY_LOGS_SHARE = "logs_share"
 		const val KEY_SOURCES_GRID = "sources_grid"
+		const val KEY_SOURCES_NEW = "sources_new"
 		const val KEY_UPDATES_UNSTABLE = "updates_unstable"
 		const val KEY_TIPS_CLOSED = "tips_closed"
 		const val KEY_SSL_BYPASS = "ssl_bypass"
@@ -491,6 +513,7 @@ class AppSettings @Inject constructor(@ApplicationContext context: Context) {
 		const val KEY_DISABLE_NSFW = "no_nsfw"
 		const val KEY_RELATED_MANGA = "related_manga"
 		const val KEY_NAV_MAIN = "nav_main"
+		const val KEY_32BIT_COLOR = "enhanced_colors"
 
 		// About
 		const val KEY_APP_UPDATE = "app_update"

app/src/main/kotlin/org/koitharu/kotatsu/core/ui/BaseActivity.kt

@@ -126,10 +126,10 @@ abstract class BaseActivity<B : ViewBinding> :
 		val actionModeColor = if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
 			ColorUtils.compositeColors(
 				ContextCompat.getColor(this, com.google.android.material.R.color.m3_appbar_overlay_color),
-				getThemeColor(com.google.android.material.R.attr.colorSurface),
+				getThemeColor(R.attr.m3ColorBackground),
 			)
 		} else {
-			ContextCompat.getColor(this, R.color.kotatsu_secondaryContainer)
+			ContextCompat.getColor(this, R.color.kotatsu_m3_background)
 		}
 		val insets = ViewCompat.getRootWindowInsets(viewBinding.root)
 			?.getInsets(WindowInsetsCompat.Type.systemBars()) ?: return

app/src/main/kotlin/org/koitharu/kotatsu/core/util/CompositeMutex.kt

@@ -8,6 +8,7 @@ import kotlinx.coroutines.sync.Mutex
 import kotlinx.coroutines.sync.withLock
 import kotlin.coroutines.coroutineContext
 
+@Deprecated("", replaceWith = ReplaceWith("CompositeMutex2"))
 class CompositeMutex<T : Any> : Set<T> {
 
 	private val state = ArrayMap<T, MutableStateFlow<Boolean>>()

app/src/main/kotlin/org/koitharu/kotatsu/core/util/ViewBadge.kt

@@ -15,6 +15,7 @@ class ViewBadge(
 ) : View.OnLayoutChangeListener, DefaultLifecycleObserver {
 
 	private var badgeDrawable: BadgeDrawable? = null
+	private var maxCharacterCount: Int = -1
 
 	var counter: Int
 		get() = badgeDrawable?.number ?: 0
@@ -48,8 +49,16 @@ class ViewBadge(
 		clearBadge()
 	}
 
+	fun setMaxCharacterCount(value: Int) {
+		maxCharacterCount = value
+		badgeDrawable?.maxCharacterCount = value
+	}
+
 	private fun initBadge(): BadgeDrawable {
 		val badge = BadgeDrawable.create(anchor.context)
+		if (maxCharacterCount > 0) {
+			badge.maxCharacterCount = maxCharacterCount
+		}
 		anchor.addOnLayoutChangeListener(this)
 		BadgeUtils.attachBadgeDrawable(badge, anchor)
 		badgeDrawable = badge

app/src/main/kotlin/org/koitharu/kotatsu/core/util/ext/Collections.kt

@@ -55,3 +55,5 @@ inline fun <reified E : Enum<E>> Collection<E>.toEnumSet(): EnumSet<E> = if (isE
 } else {
 	EnumSet.copyOf(this)
 }
+
+fun <E : Enum<E>> Collection<E>.sortedByOrdinal() = sortedBy { it.ordinal }

app/src/main/kotlin/org/koitharu/kotatsu/core/util/ext/Coroutines.kt

@@ -14,6 +14,7 @@ import kotlinx.coroutines.Deferred
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.suspendCancellableCoroutine
 import org.koitharu.kotatsu.core.util.RetainedLifecycleCoroutineScope
+import org.koitharu.kotatsu.parsers.util.runCatchingCancellable
 import kotlin.coroutines.EmptyCoroutineContext
 import kotlin.coroutines.resume
 import kotlin.coroutines.resumeWithException
@@ -79,3 +80,11 @@ fun <T> Deferred<T>.getCompletionResultOrNull(): Result<T>? = if (isCompleted) {
 } else {
 	null
 }
+
+fun <T> Deferred<T>.peek(): T? = if (isCompleted) {
+	runCatchingCancellable {
+		getCompleted()
+	}.getOrNull()
+} else {
+	null
+}

app/src/main/kotlin/org/koitharu/kotatsu/core/util/ext/Flow.kt

@@ -26,6 +26,17 @@ fun <T> Flow<T>.onFirst(action: suspend (T) -> Unit): Flow<T> {
 	}
 }
 
+fun <T> Flow<T>.onEachWhile(action: suspend (T) -> Boolean): Flow<T> {
+	var isCalled = false
+	return onEach {
+		if (!isCalled) {
+			isCalled = action(it)
+		}
+	}.onCompletion {
+		isCalled = false
+	}
+}
+
 inline fun <T, R> Flow<List<T>>.mapItems(crossinline transform: (T) -> R): Flow<List<R>> {
 	return map { list -> list.map(transform) }
 }

app/src/main/kotlin/org/koitharu/kotatsu/details/data/MangaDetails.kt

@@ -0,0 +1,43 @@
+package org.koitharu.kotatsu.details.data
+
+import org.koitharu.kotatsu.core.model.isLocal
+import org.koitharu.kotatsu.local.domain.model.LocalManga
+import org.koitharu.kotatsu.parsers.model.Manga
+import org.koitharu.kotatsu.parsers.model.MangaChapter
+import org.koitharu.kotatsu.reader.data.filterChapters
+
+data class MangaDetails(
+	private val manga: Manga,
+	private val localManga: LocalManga?,
+	val description: CharSequence?,
+	val isLoaded: Boolean,
+) {
+
+	val id: Long
+		get() = manga.id
+
+	val chapters: Map<String?, List<MangaChapter>> = manga.chapters?.groupBy { it.branch }.orEmpty()
+
+	val branches: Set<String?>
+		get() = chapters.keys
+
+	val allChapters: List<MangaChapter>
+		get() = manga.chapters.orEmpty()
+
+	val isLocal
+		get() = manga.isLocal
+
+	val local: LocalManga?
+		get() = localManga ?: if (manga.isLocal) LocalManga(manga) else null
+
+	fun toManga() = manga
+
+	fun filterChapters(branch: String?) = MangaDetails(
+		manga = manga.filterChapters(branch),
+		localManga = localManga?.run {
+			copy(manga = manga.filterChapters(branch))
+		},
+		description = description,
+		isLoaded = isLoaded,
+	)
+}

app/src/main/kotlin/org/koitharu/kotatsu/details/domain/DetailsInteractor.kt

@@ -8,7 +8,7 @@ import kotlinx.coroutines.flow.flowOf
 import kotlinx.coroutines.flow.map
 import org.koitharu.kotatsu.core.prefs.AppSettings
 import org.koitharu.kotatsu.core.prefs.observeAsFlow
-import org.koitharu.kotatsu.details.domain.model.DoubleManga
+import org.koitharu.kotatsu.details.data.MangaDetails
 import org.koitharu.kotatsu.favourites.domain.FavouritesRepository
 import org.koitharu.kotatsu.history.data.HistoryRepository
 import org.koitharu.kotatsu.local.data.LocalMangaRepository
@@ -20,7 +20,7 @@ import org.koitharu.kotatsu.scrobbling.common.domain.model.ScrobblingInfo
 import org.koitharu.kotatsu.tracker.domain.TrackingRepository
 import javax.inject.Inject
 
-@Deprecated("")
+/* TODO: remove */
 class DetailsInteractor @Inject constructor(
 	private val historyRepository: HistoryRepository,
 	private val favouritesRepository: FavouritesRepository,
@@ -66,15 +66,26 @@ class DetailsInteractor @Inject constructor(
 			}
 	}
 
-	suspend fun updateLocal(subject: DoubleManga?, localManga: LocalManga): DoubleManga? {
-		return if (subject?.any?.id == localManga.manga.id) {
-			subject.copy(
-				localManga = runCatchingCancellable {
-					localMangaRepository.getDetails(localManga.manga)
-				},
-			)
+	suspend fun updateLocal(subject: MangaDetails?, localManga: LocalManga): MangaDetails? {
+		subject ?: return null
+		return if (subject.id == localManga.manga.id) {
+			if (subject.isLocal) {
+				subject.copy(
+					manga = localManga.manga,
+				)
+			} else {
+				subject.copy(
+					localManga = runCatchingCancellable {
+						localManga.copy(
+							manga = localMangaRepository.getDetails(localManga.manga),
+						)
+					}.getOrNull() ?: subject.local,
+				)
+			}
 		} else {
 			subject
 		}
 	}
+
+	suspend fun findLocal(seed: Manga) = localMangaRepository.getRemoteManga(seed)
 }

app/src/main/kotlin/org/koitharu/kotatsu/details/domain/DetailsLoadUseCase.kt

@@ -0,0 +1,85 @@
+package org.koitharu.kotatsu.details.domain
+
+import android.text.Html
+import android.text.SpannableString
+import android.text.Spanned
+import android.text.style.ForegroundColorSpan
+import androidx.core.text.getSpans
+import androidx.core.text.parseAsHtml
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.async
+import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.channelFlow
+import kotlinx.coroutines.runInterruptible
+import org.koitharu.kotatsu.core.model.isLocal
+import org.koitharu.kotatsu.core.parser.MangaDataRepository
+import org.koitharu.kotatsu.core.parser.MangaIntent
+import org.koitharu.kotatsu.core.parser.MangaRepository
+import org.koitharu.kotatsu.core.util.ext.peek
+import org.koitharu.kotatsu.core.util.ext.sanitize
+import org.koitharu.kotatsu.details.data.MangaDetails
+import org.koitharu.kotatsu.explore.domain.RecoverMangaUseCase
+import org.koitharu.kotatsu.local.data.LocalMangaRepository
+import org.koitharu.kotatsu.parsers.exception.NotFoundException
+import org.koitharu.kotatsu.parsers.model.Manga
+import org.koitharu.kotatsu.parsers.util.recoverNotNull
+import org.koitharu.kotatsu.parsers.util.runCatchingCancellable
+import javax.inject.Inject
+
+class DetailsLoadUseCase @Inject constructor(
+	private val mangaDataRepository: MangaDataRepository,
+	private val localMangaRepository: LocalMangaRepository,
+	private val mangaRepositoryFactory: MangaRepository.Factory,
+	private val recoverUseCase: RecoverMangaUseCase,
+	private val imageGetter: Html.ImageGetter,
+) {
+
+	operator fun invoke(intent: MangaIntent): Flow<MangaDetails> = channelFlow {
+		val manga = requireNotNull(mangaDataRepository.resolveIntent(intent)) {
+			"Cannot resolve intent $intent"
+		}
+		val local = if (!manga.isLocal) {
+			async {
+				localMangaRepository.findSavedManga(manga)
+			}
+		} else {
+			null
+		}
+		send(MangaDetails(manga, null, null, false))
+		val details = getDetails(manga)
+		send(MangaDetails(details, local?.peek(), details.description?.parseAsHtml(withImages = false), false))
+		send(MangaDetails(details, local?.await(), details.description?.parseAsHtml(withImages = true), true))
+	}
+
+	private suspend fun getDetails(seed: Manga) = runCatchingCancellable {
+		val repository = mangaRepositoryFactory.create(seed.source)
+		repository.getDetails(seed)
+	}.recoverNotNull { e ->
+		if (e is NotFoundException) {
+			recoverUseCase(seed)
+		} else {
+			null
+		}
+	}.getOrThrow()
+
+	private suspend fun String.parseAsHtml(withImages: Boolean): CharSequence? {
+		return if (withImages) {
+			runInterruptible(Dispatchers.IO) {
+				parseAsHtml(imageGetter = imageGetter)
+			}.filterSpans()
+		} else {
+			runInterruptible(Dispatchers.Default) {
+				parseAsHtml()
+			}.filterSpans().sanitize()
+		}.takeUnless { it.isBlank() }
+	}
+
+	private fun Spanned.filterSpans(): Spanned {
+		val spannable = SpannableString.valueOf(this)
+		val spans = spannable.getSpans<ForegroundColorSpan>()
+		for (span in spans) {
+			spannable.removeSpan(span)
+		}
+		return spannable
+	}
+}

app/src/main/kotlin/org/koitharu/kotatsu/details/domain/DoubleMangaLoadUseCase.kt

@@ -1,91 +0,0 @@
-package org.koitharu.kotatsu.details.domain
-
-import kotlinx.coroutines.Dispatchers
-import kotlinx.coroutines.flow.Flow
-import kotlinx.coroutines.flow.combine
-import kotlinx.coroutines.flow.flatMapLatest
-import kotlinx.coroutines.flow.flow
-import kotlinx.coroutines.flow.flowOn
-import org.koitharu.kotatsu.core.model.isLocal
-import org.koitharu.kotatsu.core.parser.MangaDataRepository
-import org.koitharu.kotatsu.core.parser.MangaIntent
-import org.koitharu.kotatsu.core.parser.MangaRepository
-import org.koitharu.kotatsu.details.domain.model.DoubleManga
-import org.koitharu.kotatsu.explore.domain.RecoverMangaUseCase
-import org.koitharu.kotatsu.local.data.LocalMangaRepository
-import org.koitharu.kotatsu.parsers.exception.NotFoundException
-import org.koitharu.kotatsu.parsers.model.Manga
-import org.koitharu.kotatsu.parsers.util.recoverNotNull
-import org.koitharu.kotatsu.parsers.util.runCatchingCancellable
-import javax.inject.Inject
-
-class DoubleMangaLoadUseCase @Inject constructor(
-	private val mangaDataRepository: MangaDataRepository,
-	private val localMangaRepository: LocalMangaRepository,
-	private val mangaRepositoryFactory: MangaRepository.Factory,
-	private val recoverUseCase: RecoverMangaUseCase,
-) {
-
-	operator fun invoke(manga: Manga): Flow<DoubleManga> = flow {
-		var lastValue: DoubleManga? = null
-		var emitted = false
-		invokeImpl(manga).collect {
-			lastValue = it
-			if (it.any != null) {
-				emitted = true
-				emit(it)
-			}
-		}
-		if (!emitted) {
-			lastValue?.requireAny()
-		}
-	}.flowOn(Dispatchers.Default)
-
-	operator fun invoke(mangaId: Long): Flow<DoubleManga> = flow {
-		emit(mangaDataRepository.findMangaById(mangaId) ?: throwNFE())
-	}.flatMapLatest { invoke(it) }
-
-	operator fun invoke(intent: MangaIntent): Flow<DoubleManga> = flow {
-		emit(mangaDataRepository.resolveIntent(intent) ?: throwNFE())
-	}.flatMapLatest { invoke(it) }
-
-	private suspend fun loadLocal(manga: Manga): Result<Manga>? {
-		return runCatchingCancellable {
-			if (manga.isLocal) {
-				localMangaRepository.getDetails(manga)
-			} else {
-				localMangaRepository.findSavedManga(manga)?.manga
-			} ?: return null
-		}
-	}
-
-	private suspend fun loadRemote(manga: Manga): Result<Manga>? {
-		return runCatchingCancellable {
-			val seed = if (manga.isLocal) {
-				localMangaRepository.getRemoteManga(manga)
-			} else {
-				manga
-			} ?: return null
-			val repository = mangaRepositoryFactory.create(seed.source)
-			repository.getDetails(seed)
-		}.recoverNotNull { e ->
-			if (e is NotFoundException) {
-				recoverUseCase(manga)
-			} else {
-				null
-			}
-		}
-	}
-
-	private fun invokeImpl(manga: Manga): Flow<DoubleManga> = combine(
-		flow { emit(null); emit(loadRemote(manga)) },
-		flow { emit(null); emit(loadLocal(manga)) },
-	) { remote, local ->
-		DoubleManga(
-			remoteManga = remote,
-			localManga = local,
-		)
-	}
-
-	private fun throwNFE(): Nothing = throw NotFoundException("Cannot find manga", "")
-}

app/src/main/kotlin/org/koitharu/kotatsu/details/domain/ProgressUpdateUseCase.kt

@@ -0,0 +1,55 @@
+package org.koitharu.kotatsu.details.domain
+
+import org.koitharu.kotatsu.core.db.MangaDatabase
+import org.koitharu.kotatsu.core.model.findChapter
+import org.koitharu.kotatsu.core.model.isLocal
+import org.koitharu.kotatsu.core.parser.MangaRepository
+import org.koitharu.kotatsu.history.data.PROGRESS_NONE
+import org.koitharu.kotatsu.local.data.LocalMangaRepository
+import org.koitharu.kotatsu.parsers.model.Manga
+import javax.inject.Inject
+
+class ProgressUpdateUseCase @Inject constructor(
+	private val mangaRepositoryFactory: MangaRepository.Factory,
+	private val database: MangaDatabase,
+	private val localMangaRepository: LocalMangaRepository,
+) {
+
+	suspend operator fun invoke(manga: Manga): Float {
+		val history = database.historyDao.find(manga.id) ?: return PROGRESS_NONE
+		val seed = if (manga.isLocal) {
+			localMangaRepository.getRemoteManga(manga) ?: manga
+		} else {
+			manga
+		}
+		val repo = mangaRepositoryFactory.create(seed.source)
+		val details = if (manga.source != seed.source || seed.chapters.isNullOrEmpty()) {
+			repo.getDetails(seed)
+		} else {
+			seed
+		}
+		val chapter = details.findChapter(history.chapterId) ?: return PROGRESS_NONE
+		val chapters = details.getChapters(chapter.branch) ?: return PROGRESS_NONE
+		val chaptersCount = chapters.size
+		if (chaptersCount == 0) {
+			return PROGRESS_NONE
+		}
+		val chapterIndex = chapters.indexOfFirst { x -> x.id == history.chapterId }
+		val pagesCount = repo.getPages(chapter).size
+		if (pagesCount == 0) {
+			return PROGRESS_NONE
+		}
+		val pagePercent = (history.page + 1) / pagesCount.toFloat()
+		val ppc = 1f / chaptersCount
+		val result = ppc * chapterIndex + ppc * pagePercent
+		if (result != history.percent) {
+			database.historyDao.update(
+				history.copy(
+					chapterId = chapter.id,
+					percent = result,
+				),
+			)
+		}
+		return result
+	}
+}

app/src/main/kotlin/org/koitharu/kotatsu/details/domain/model/DoubleManga.kt

@@ -1,81 +0,0 @@
-package org.koitharu.kotatsu.details.domain.model
-
-import org.koitharu.kotatsu.core.model.findById
-import org.koitharu.kotatsu.parsers.model.Manga
-import org.koitharu.kotatsu.parsers.model.MangaChapter
-import org.koitharu.kotatsu.parsers.model.MangaSource
-import org.koitharu.kotatsu.reader.data.filterChapters
-
-data class DoubleManga(
-	private val remoteManga: Result<Manga>?,
-	private val localManga: Result<Manga>?,
-) {
-
-	constructor(manga: Manga) : this(
-		remoteManga = if (manga.source != MangaSource.LOCAL) Result.success(manga) else null,
-		localManga = if (manga.source == MangaSource.LOCAL) Result.success(manga) else null,
-	)
-
-	val remote: Manga?
-		get() = remoteManga?.getOrNull()
-
-	val local: Manga?
-		get() = localManga?.getOrNull()
-
-	val any: Manga?
-		get() = remote ?: local
-
-	val hasRemote: Boolean
-		get() = remoteManga?.isSuccess == true
-
-	val hasLocal: Boolean
-		get() = localManga?.isSuccess == true
-
-	val chapters: List<MangaChapter>? by lazy(LazyThreadSafetyMode.PUBLICATION) {
-		mergeChapters()
-	}
-
-	fun hasChapter(id: Long): Boolean {
-		return local?.chapters?.findById(id) != null || remote?.chapters?.findById(id) != null
-	}
-
-	fun requireAny(): Manga {
-		val result = remoteManga?.getOrNull() ?: localManga?.getOrNull()
-		if (result != null) {
-			return result
-		}
-		throw (
-			remoteManga?.exceptionOrNull()
-				?: localManga?.exceptionOrNull()
-				?: IllegalStateException("No online either local manga available")
-			)
-	}
-
-	fun filterChapters(branch: String?) = DoubleManga(
-		remoteManga?.map { it.filterChapters(branch) },
-		localManga?.map { it.filterChapters(branch) },
-	)
-
-	private fun mergeChapters(): List<MangaChapter>? {
-		val remoteChapters = remote?.chapters
-		val localChapters = local?.chapters
-		if (localChapters == null && remoteChapters == null) {
-			return null
-		}
-		val localMap = if (!localChapters.isNullOrEmpty()) {
-			localChapters.associateByTo(LinkedHashMap(localChapters.size)) { it.id }
-		} else {
-			null
-		}
-		val result = ArrayList<MangaChapter>(maxOf(remoteChapters?.size ?: 0, localChapters?.size ?: 0))
-		remoteChapters?.forEach { r ->
-			localMap?.remove(r.id)?.let { l ->
-				result.add(l)
-			} ?: result.add(r)
-		}
-		localMap?.values?.let {
-			result.addAll(it)
-		}
-		return result
-	}
-}

app/src/main/kotlin/org/koitharu/kotatsu/details/ui/ChaptersMapper.kt

@@ -2,33 +2,30 @@ package org.koitharu.kotatsu.details.ui
 
 import org.koitharu.kotatsu.bookmarks.domain.Bookmark
 import org.koitharu.kotatsu.core.model.MangaHistory
+import org.koitharu.kotatsu.details.data.MangaDetails
 import org.koitharu.kotatsu.details.ui.model.ChapterListItem
 import org.koitharu.kotatsu.details.ui.model.toListItem
-import org.koitharu.kotatsu.parsers.model.Manga
 import org.koitharu.kotatsu.parsers.util.mapToSet
 
-fun mapChapters(
-	remoteManga: Manga?,
-	localManga: Manga?,
+fun MangaDetails.mapChapters(
 	history: MangaHistory?,
 	newCount: Int,
 	branch: String?,
 	bookmarks: List<Bookmark>,
 ): List<ChapterListItem> {
-	val remoteChapters = remoteManga?.getChapters(branch).orEmpty()
-	val localChapters = localManga?.getChapters(branch).orEmpty()
+	val remoteChapters = chapters[branch].orEmpty()
+	val localChapters = local?.manga?.getChapters(branch).orEmpty()
 	if (remoteChapters.isEmpty() && localChapters.isEmpty()) {
 		return emptyList()
 	}
 	val bookmarked = bookmarks.mapToSet { it.chapterId }
 	val currentId = history?.chapterId ?: 0L
 	val newFrom = if (newCount == 0 || remoteChapters.isEmpty()) Int.MAX_VALUE else remoteChapters.size - newCount
-	val chaptersSize = maxOf(remoteChapters.size, localChapters.size)
-	val ids = buildSet(chaptersSize) {
+	val ids = buildSet(maxOf(remoteChapters.size, localChapters.size)) {
 		remoteChapters.mapTo(this) { it.id }
 		localChapters.mapTo(this) { it.id }
 	}
-	val result = ArrayList<ChapterListItem>(chaptersSize)
+	val result = ArrayList<ChapterListItem>(ids.size)
 	val localMap = if (localChapters.isNotEmpty()) {
 		localChapters.associateByTo(LinkedHashMap(localChapters.size)) { it.id }
 	} else {
@@ -40,7 +37,7 @@ fun mapChapters(
 		if (chapter.id == currentId) {
 			isUnread = true
 		}
-		result += chapter.toListItem(
+		result += (local ?: chapter).toListItem(
 			isCurrent = chapter.id == currentId,
 			isUnread = isUnread,
 			isNew = isUnread && result.size >= newFrom,
@@ -57,7 +54,7 @@ fun mapChapters(
 				isCurrent = chapter.id == currentId,
 				isUnread = isUnread,
 				isNew = false,
-				isDownloaded = remoteManga != null,
+				isDownloaded = !isLocal,
 				isBookmarked = chapter.id in bookmarked,
 			)
 		}

app/src/main/kotlin/org/koitharu/kotatsu/details/ui/DetailsActivity.kt

@@ -39,7 +39,6 @@ import org.koitharu.kotatsu.core.os.AppShortcutManager
 import org.koitharu.kotatsu.core.parser.MangaIntent
 import org.koitharu.kotatsu.core.ui.BaseActivity
 import org.koitharu.kotatsu.core.ui.util.MenuInvalidator
-import org.koitharu.kotatsu.core.util.ViewBadge
 import org.koitharu.kotatsu.core.util.ext.doOnExpansionsChanged
 import org.koitharu.kotatsu.core.util.ext.getAnimationDuration
 import org.koitharu.kotatsu.core.util.ext.getThemeColor
@@ -75,7 +74,6 @@ class DetailsActivity :
 	@Inject
 	lateinit var appShortcutManager: AppShortcutManager
 
-	private lateinit var viewBadge: ViewBadge
 	private var buttonTip: WeakReference<ButtonTip>? = null
 
 	private val viewModel: DetailsViewModel by viewModels()
@@ -92,7 +90,6 @@ class DetailsActivity :
 		viewBinding.buttonRead.setOnLongClickListener(this)
 		viewBinding.buttonRead.setOnContextClickListenerCompat(this)
 		viewBinding.buttonDropdown.setOnClickListener(this)
-		viewBadge = ViewBadge(viewBinding.buttonRead, this)
 
 		if (viewBinding.layoutBottom != null) {
 			val behavior = BottomSheetBehavior.from(checkNotNull(viewBinding.layoutBottom))
@@ -113,7 +110,6 @@ class DetailsActivity :
 		onBackPressedDispatcher.addCallback(chaptersMenuProvider)
 
 		viewModel.manga.filterNotNull().observe(this, ::onMangaUpdated)
-		viewModel.newChaptersCount.observe(this, ::onNewChaptersChanged)
 		viewModel.onMangaRemoved.observeEvent(this, ::onMangaRemoved)
 		viewModel.onError.observeEvent(
 			this,
@@ -139,16 +135,18 @@ class DetailsActivity :
 		}
 		viewModel.isChaptersReversed.observe(
 			this,
-			MenuInvalidator(viewBinding.toolbarChapters ?: this)
+			MenuInvalidator(viewBinding.toolbarChapters ?: this),
 		)
-		viewModel.favouriteCategories.observe(this, MenuInvalidator(this))
+		val menuInvalidator = MenuInvalidator(this)
+		viewModel.favouriteCategories.observe(this, menuInvalidator)
+		viewModel.remoteManga.observe(this, menuInvalidator)
 		viewModel.branches.observe(this) {
 			viewBinding.buttonDropdown.isVisible = it.size > 1
 		}
 		viewModel.chapters.observe(this, PrefetchObserver(this))
 		viewModel.onDownloadStarted.observeEvent(
 			this,
-			DownloadStartedObserver(viewBinding.containerDetails)
+			DownloadStartedObserver(viewBinding.containerDetails),
 		)
 
 		addMenuProvider(
@@ -255,7 +253,7 @@ class DetailsActivity :
 			window.setNavigationBarTransparentCompat(
 				this,
 				viewBinding.layoutBottom?.elevation ?: 0f,
-				0.9f
+				0.9f,
 			)
 		}
 		viewBinding.cardChapters?.updateLayoutParams<MarginLayoutParams> {
@@ -281,24 +279,20 @@ class DetailsActivity :
 			info.currentChapter >= 0 -> getString(
 				R.string.chapter_d_of_d,
 				info.currentChapter + 1,
-				info.totalChapters
+				info.totalChapters,
 			)
 
 			info.totalChapters == 0 -> getString(R.string.no_chapters)
 			else -> resources.getQuantityString(
 				R.plurals.chapters,
 				info.totalChapters,
-				info.totalChapters
+				info.totalChapters,
 			)
 		}
 		viewBinding.toolbarChapters?.title = text
 		viewBinding.textViewTitle?.text = text
 	}
 
-	private fun onNewChaptersChanged(newChapters: Int) {
-		viewBadge.counter = newChapters
-	}
-
 	private fun showBranchPopupMenu(v: View) {
 		val menu = PopupMenu(v.context, v)
 		val branches = viewModel.branches.value
@@ -311,8 +305,8 @@ class DetailsActivity :
 					ForegroundColorSpan(
 						v.context.getThemeColor(
 							android.R.attr.textColorSecondary,
-							Color.LTGRAY
-						)
+							Color.LTGRAY,
+						),
 					),
 					RelativeSizeSpan(0.74f),
 				) {

app/src/main/kotlin/org/koitharu/kotatsu/details/ui/DetailsFragment.kt

@@ -11,6 +11,8 @@ import android.widget.Toast
 import androidx.appcompat.widget.PopupMenu
 import androidx.core.content.ContextCompat
 import androidx.core.graphics.Insets
+import androidx.core.text.buildSpannedString
+import androidx.core.text.color
 import androidx.core.view.isGone
 import androidx.core.view.isVisible
 import androidx.core.view.updatePadding
@@ -21,6 +23,7 @@ import coil.request.SuccessResult
 import coil.util.CoilUtils
 import com.google.android.material.chip.Chip
 import dagger.hilt.android.AndroidEntryPoint
+import kotlinx.coroutines.flow.combine
 import kotlinx.coroutines.flow.filterNotNull
 import org.koitharu.kotatsu.R
 import org.koitharu.kotatsu.bookmarks.domain.Bookmark
@@ -37,6 +40,7 @@ import org.koitharu.kotatsu.core.util.FileSize
 import org.koitharu.kotatsu.core.util.ext.crossfade
 import org.koitharu.kotatsu.core.util.ext.drawableTop
 import org.koitharu.kotatsu.core.util.ext.enqueueWith
+import org.koitharu.kotatsu.core.util.ext.getThemeColor
 import org.koitharu.kotatsu.core.util.ext.ifNullOrEmpty
 import org.koitharu.kotatsu.core.util.ext.isTextTruncated
 import org.koitharu.kotatsu.core.util.ext.observe
@@ -70,13 +74,14 @@ import org.koitharu.kotatsu.scrobbling.common.ui.selector.ScrobblingSelectorShee
 import org.koitharu.kotatsu.search.ui.MangaListActivity
 import org.koitharu.kotatsu.search.ui.SearchActivity
 import javax.inject.Inject
+import com.google.android.material.R as materialR
 
 @AndroidEntryPoint
 class DetailsFragment :
 	BaseFragment<FragmentDetailsBinding>(),
 	View.OnClickListener,
 	ChipsView.OnChipClickListener,
-	OnListItemClickListener<Bookmark>, ViewTreeObserver.OnDrawListener {
+	OnListItemClickListener<Bookmark>, ViewTreeObserver.OnDrawListener, View.OnLayoutChangeListener {
 
 	@Inject
 	lateinit var coil: ImageLoader
@@ -100,6 +105,7 @@ class DetailsFragment :
 		binding.buttonScrobblingMore.setOnClickListener(this)
 		binding.buttonRelatedMore.setOnClickListener(this)
 		binding.infoLayout.textViewSource.setOnClickListener(this)
+		binding.textViewDescription.addOnLayoutChangeListener(this)
 		binding.textViewDescription.viewTreeObserver.addOnDrawListener(this)
 		binding.textViewDescription.movementMethod = LinkMovementMethod.getInstance()
 		binding.chipsTags.onChipClickListener = this
@@ -113,9 +119,9 @@ class DetailsFragment :
 		viewModel.bookmarks.observe(viewLifecycleOwner, ::onBookmarksChanged)
 		viewModel.scrobblingInfo.observe(viewLifecycleOwner, ::onScrobblingInfoChanged)
 		viewModel.description.observe(viewLifecycleOwner, ::onDescriptionChanged)
-		viewModel.chapters.observe(viewLifecycleOwner, ::onChaptersChanged)
 		viewModel.localSize.observe(viewLifecycleOwner, ::onLocalSizeChanged)
 		viewModel.relatedManga.observe(viewLifecycleOwner, ::onRelatedMangaChanged)
+		combine(viewModel.chapters, viewModel.newChaptersCount, ::Pair).observe(viewLifecycleOwner, ::onChaptersChanged)
 	}
 
 	override fun onItemClick(item: Bookmark, view: View) {
@@ -145,6 +151,22 @@ class DetailsFragment :
 		}
 	}
 
+	override fun onLayoutChange(
+		v: View?,
+		left: Int,
+		top: Int,
+		right: Int,
+		bottom: Int,
+		oldLeft: Int,
+		oldTop: Int,
+		oldRight: Int,
+		oldBottom: Int
+	) {
+		with(viewBinding ?: return) {
+			buttonDescriptionMore.isVisible = textViewDescription.isTextTruncated
+		}
+	}
+
 	private fun onMangaUpdated(manga: Manga) {
 		with(requireViewBinding()) {
 			// Main
@@ -191,14 +213,28 @@ class DetailsFragment :
 		}
 	}
 
-	private fun onChaptersChanged(chapters: List<ChapterListItem>?) {
+	private fun onChaptersChanged(data: Pair<List<ChapterListItem>?, Int>) {
+		val (chapters, newChapters) = data
 		val infoLayout = requireViewBinding().infoLayout
 		if (chapters.isNullOrEmpty()) {
 			infoLayout.textViewChapters.isVisible = false
 		} else {
 			val count = chapters.countChaptersByBranch()
 			infoLayout.textViewChapters.isVisible = true
-			infoLayout.textViewChapters.text = resources.getQuantityString(R.plurals.chapters, count, count)
+			val chaptersText = resources.getQuantityString(R.plurals.chapters, count, count)
+			infoLayout.textViewChapters.text = if (newChapters == 0) {
+				chaptersText
+			} else {
+				buildSpannedString {
+					append(chaptersText)
+					append(' ')
+					color(infoLayout.textViewChapters.context.getThemeColor(materialR.attr.colorError)) {
+						append("(+")
+						append(newChapters.toString())
+						append(')')
+					}
+				}
+			}
 		}
 	}
 
@@ -209,7 +245,6 @@ class DetailsFragment :
 		} else {
 			tv.text = description
 		}
-		requireViewBinding().buttonDescriptionMore.isVisible = tv.isTextTruncated
 	}
 
 	private fun onLocalSizeChanged(size: Long) {

app/src/main/kotlin/org/koitharu/kotatsu/details/ui/DetailsMenuProvider.kt

@@ -42,6 +42,7 @@ class DetailsMenuProvider(
 		menu.findItem(R.id.action_browser).isVisible = manga?.source != MangaSource.LOCAL
 		menu.findItem(R.id.action_shortcut).isVisible = ShortcutManagerCompat.isRequestPinShortcutSupported(activity)
 		menu.findItem(R.id.action_scrobbling).isVisible = viewModel.isScrobblingAvailable
+		menu.findItem(R.id.action_online).isVisible = viewModel.remoteManga.value != null
 		menu.findItem(R.id.action_favourite).setIcon(
 			if (viewModel.favouriteCategories.value) R.drawable.ic_heart else R.drawable.ic_heart_outline,
 		)
@@ -88,6 +89,12 @@ class DetailsMenuProvider(
 				}
 			}
 
+			R.id.action_online -> {
+				viewModel.remoteManga.value?.let {
+					activity.startActivity(DetailsActivity.newIntent(activity, it))
+				}
+			}
+
 			R.id.action_related -> {
 				viewModel.manga.value?.let {
 					activity.startActivity(MultiSearchActivity.newIntent(activity, it.title))

app/src/main/kotlin/org/koitharu/kotatsu/details/ui/DetailsViewModel.kt

@@ -1,12 +1,5 @@
 package org.koitharu.kotatsu.details.ui
 
-import android.text.Html
-import android.text.SpannableString
-import android.text.Spanned
-import android.text.style.ForegroundColorSpan
-import androidx.core.net.toUri
-import androidx.core.text.getSpans
-import androidx.core.text.parseAsHtml
 import androidx.lifecycle.SavedStateHandle
 import androidx.lifecycle.viewModelScope
 import dagger.hilt.android.lifecycle.HiltViewModel
@@ -17,22 +10,21 @@ import kotlinx.coroutines.flow.SharedFlow
 import kotlinx.coroutines.flow.SharingStarted
 import kotlinx.coroutines.flow.StateFlow
 import kotlinx.coroutines.flow.combine
-import kotlinx.coroutines.flow.distinctUntilChangedBy
+import kotlinx.coroutines.flow.distinctUntilChanged
 import kotlinx.coroutines.flow.filterNot
 import kotlinx.coroutines.flow.first
+import kotlinx.coroutines.flow.firstOrNull
 import kotlinx.coroutines.flow.flatMapLatest
 import kotlinx.coroutines.flow.flowOf
 import kotlinx.coroutines.flow.map
 import kotlinx.coroutines.flow.mapLatest
 import kotlinx.coroutines.flow.stateIn
-import kotlinx.coroutines.flow.transformLatest
 import kotlinx.coroutines.flow.update
 import kotlinx.coroutines.plus
 import org.koitharu.kotatsu.R
 import org.koitharu.kotatsu.bookmarks.domain.Bookmark
 import org.koitharu.kotatsu.bookmarks.domain.BookmarksRepository
 import org.koitharu.kotatsu.core.model.getPreferredBranch
-import org.koitharu.kotatsu.core.os.NetworkState
 import org.koitharu.kotatsu.core.parser.MangaIntent
 import org.koitharu.kotatsu.core.prefs.AppSettings
 import org.koitharu.kotatsu.core.prefs.ListMode
@@ -40,17 +32,15 @@ import org.koitharu.kotatsu.core.prefs.observeAsStateFlow
 import org.koitharu.kotatsu.core.ui.BaseViewModel
 import org.koitharu.kotatsu.core.util.ext.MutableEventFlow
 import org.koitharu.kotatsu.core.util.ext.call
-import org.koitharu.kotatsu.core.util.ext.combine
 import org.koitharu.kotatsu.core.util.ext.computeSize
-import org.koitharu.kotatsu.core.util.ext.onFirst
+import org.koitharu.kotatsu.core.util.ext.onEachWhile
 import org.koitharu.kotatsu.core.util.ext.requireValue
-import org.koitharu.kotatsu.core.util.ext.sanitize
-import org.koitharu.kotatsu.core.util.ext.toFileOrNull
+import org.koitharu.kotatsu.details.data.MangaDetails
 import org.koitharu.kotatsu.details.domain.BranchComparator
 import org.koitharu.kotatsu.details.domain.DetailsInteractor
-import org.koitharu.kotatsu.details.domain.DoubleMangaLoadUseCase
+import org.koitharu.kotatsu.details.domain.DetailsLoadUseCase
+import org.koitharu.kotatsu.details.domain.ProgressUpdateUseCase
 import org.koitharu.kotatsu.details.domain.RelatedMangaUseCase
-import org.koitharu.kotatsu.details.domain.model.DoubleManga
 import org.koitharu.kotatsu.details.ui.model.ChapterListItem
 import org.koitharu.kotatsu.details.ui.model.HistoryInfo
 import org.koitharu.kotatsu.details.ui.model.MangaBranch
@@ -74,22 +64,19 @@ class DetailsViewModel @Inject constructor(
 	private val bookmarksRepository: BookmarksRepository,
 	private val settings: AppSettings,
 	private val scrobblers: Set<@JvmSuppressWildcards Scrobbler>,
-	private val imageGetter: Html.ImageGetter,
 	@LocalStorageChanges private val localStorageChanges: SharedFlow<LocalManga?>,
 	private val downloadScheduler: DownloadWorker.Scheduler,
 	private val interactor: DetailsInteractor,
 	savedStateHandle: SavedStateHandle,
 	private val deleteLocalMangaUseCase: DeleteLocalMangaUseCase,
-	private val doubleMangaLoadUseCase: DoubleMangaLoadUseCase,
 	private val relatedMangaUseCase: RelatedMangaUseCase,
 	private val extraProvider: ListExtraProvider,
-	networkState: NetworkState,
+	private val detailsLoadUseCase: DetailsLoadUseCase,
+	private val progressUpdateUseCase: ProgressUpdateUseCase,
 ) : BaseViewModel() {
 
 	private val intent = MangaIntent(savedStateHandle)
 	private val mangaId = intent.mangaId
-	private val doubleManga: MutableStateFlow<DoubleManga?> =
-		MutableStateFlow(intent.manga?.let { DoubleManga(it) })
 	private var loadingJob: Job
 
 	val onShowToast = MutableEventFlow<Int>()
@@ -97,8 +84,9 @@ class DetailsViewModel @Inject constructor(
 	val onSelectChapter = MutableEventFlow<Long>()
 	val onDownloadStarted = MutableEventFlow<Unit>()
 
-	val manga = doubleManga.map { it?.any }
-		.stateIn(viewModelScope, SharingStarted.Eagerly, doubleManga.value?.any)
+	val details = MutableStateFlow(intent.manga?.let { MangaDetails(it, null, null, false) })
+	val manga = details.map { x -> x?.toManga() }
+		.stateIn(viewModelScope + Dispatchers.Default, SharingStarted.Eagerly, null)
 
 	val history = historyRepository.observeOne(mangaId)
 		.stateIn(viewModelScope + Dispatchers.Default, SharingStarted.Eagerly, null)
@@ -106,8 +94,15 @@ class DetailsViewModel @Inject constructor(
 	val favouriteCategories = interactor.observeIsFavourite(mangaId)
 		.stateIn(viewModelScope + Dispatchers.Default, SharingStarted.Eagerly, false)
 
-	val newChaptersCount = interactor.observeNewChapters(mangaId)
-		.stateIn(viewModelScope + Dispatchers.Default, SharingStarted.Eagerly, 0)
+	val remoteManga = MutableStateFlow<Manga?>(null)
+
+	val newChaptersCount = details.flatMapLatest { d ->
+		if (d?.isLocal == false) {
+			interactor.observeNewChapters(mangaId)
+		} else {
+			flowOf(0)
+		}
+	}.stateIn(viewModelScope + Dispatchers.Default, SharingStarted.Eagerly, 0)
 
 	private val chaptersQuery = MutableStateFlow("")
 	val selectedBranch = MutableStateFlow<String?>(null)
@@ -135,28 +130,17 @@ class DetailsViewModel @Inject constructor(
 		if (it != null) bookmarksRepository.observeBookmarks(it) else flowOf(emptyList())
 	}.stateIn(viewModelScope + Dispatchers.Default, SharingStarted.Lazily, emptyList())
 
-	val localSize = doubleManga
-		.map {
-			val local = it?.local
-			if (local != null) {
-				val file = local.url.toUri().toFileOrNull()
-				file?.computeSize() ?: 0L
-			} else {
-				0L
-			}
+	val localSize = details
+		.map { it?.local }
+		.distinctUntilChanged()
+		.map { local ->
+			local?.file?.computeSize() ?: 0L
 		}.stateIn(viewModelScope + Dispatchers.Default, SharingStarted.WhileSubscribed(), 0)
 
-	val description = manga
-		.distinctUntilChangedBy { it?.description.orEmpty() }
-		.transformLatest {
-			val description = it?.description
-			if (description.isNullOrEmpty()) {
-				emit(null)
-			} else {
-				emit(description.parseAsHtml().filterSpans().sanitize())
-				emit(description.parseAsHtml(imageGetter = imageGetter).filterSpans())
-			}
-		}.stateIn(viewModelScope + Dispatchers.Default, SharingStarted.WhileSubscribed(5000), null)
+	@Deprecated("")
+	val description = details
+		.map { it?.description }
+		.stateIn(viewModelScope + Dispatchers.Default, SharingStarted.Lazily, null)
 
 	val onMangaRemoved = MutableEventFlow<Manga>()
 	val isScrobblingAvailable: Boolean
@@ -165,9 +149,7 @@ class DetailsViewModel @Inject constructor(
 	val scrobblingInfo: StateFlow<List<ScrobblingInfo>> = interactor.observeScrobblingInfo(mangaId)
 		.stateIn(viewModelScope + Dispatchers.Default, SharingStarted.Eagerly, emptyList())
 
-	val relatedManga: StateFlow<List<MangaItemModel>> = doubleManga.map {
-		it?.remote
-	}.distinctUntilChangedBy { it?.id }
+	val relatedManga: StateFlow<List<MangaItemModel>> = manga
 		.mapLatest {
 			if (it != null && settings.isRelatedMangaEnabled) {
 				relatedMangaUseCase.invoke(it)?.toUi(ListMode.GRID, extraProvider).orEmpty()
@@ -178,40 +160,32 @@ class DetailsViewModel @Inject constructor(
 		.stateIn(viewModelScope, SharingStarted.Lazily, emptyList())
 
 	val branches: StateFlow<List<MangaBranch>> = combine(
-		doubleManga,
+		details,
 		selectedBranch,
 	) { m, b ->
-		val chapters = m?.chapters
-		if (chapters.isNullOrEmpty()) return@combine emptyList()
-		chapters.groupBy { x -> x.branch }
+		(m?.chapters ?: return@combine emptyList())
 			.map { x -> MangaBranch(x.key, x.value.size, x.key == b) }
 			.sortedWith(BranchComparator())
 	}.stateIn(viewModelScope + Dispatchers.Default, SharingStarted.Eagerly, emptyList())
 
-	val isChaptersEmpty: StateFlow<Boolean> = combine(
-		doubleManga,
-		isLoading,
-	) { manga, loading ->
-		manga?.any != null && manga.chapters.isNullOrEmpty() && !loading
+	val isChaptersEmpty: StateFlow<Boolean> = details.map {
+		it != null && it.isLoaded && it.allChapters.isEmpty()
 	}.stateIn(viewModelScope, SharingStarted.WhileSubscribed(), false)
 
 	val chapters = combine(
 		combine(
-			doubleManga,
+			details,
 			history,
 			selectedBranch,
 			newChaptersCount,
 			bookmarks,
-			networkState,
-		) { manga, history, branch, news, bookmarks, isOnline ->
-			mapChapters(
-				manga?.remote?.takeIf { isOnline },
-				manga?.local,
+		) { manga, history, branch, news, bookmarks ->
+			manga?.mapChapters(
 				history,
 				news,
 				branch,
 				bookmarks,
-			)
+			).orEmpty()
 		},
 		isChaptersReversed,
 		chaptersQuery,
@@ -234,6 +208,17 @@ class DetailsViewModel @Inject constructor(
 				onShowTip.call(Unit)
 			}
 		}
+		launchJob(Dispatchers.Default) {
+			val manga = details.firstOrNull { !it?.chapters.isNullOrEmpty() } ?: return@launchJob
+			val h = history.firstOrNull()
+			if (h != null) {
+				progressUpdateUseCase(manga.toManga())
+			}
+		}
+		launchJob(Dispatchers.Default) {
+			val manga = details.firstOrNull { it != null && it.isLocal } ?: return@launchJob
+			remoteManga.value = interactor.findLocal(manga.toManga())
+		}
 	}
 
 	fun reload() {
@@ -242,7 +227,7 @@ class DetailsViewModel @Inject constructor(
 	}
 
 	fun deleteLocal() {
-		val m = doubleManga.value?.local
+		val m = details.value?.local?.manga
 		if (m == null) {
 			onShowToast.call(R.string.file_not_found)
 			return
@@ -295,13 +280,13 @@ class DetailsViewModel @Inject constructor(
 
 	fun markChapterAsCurrent(chapterId: Long) {
 		launchJob(Dispatchers.Default) {
-			val manga = checkNotNull(doubleManga.value)
-			val chapters = checkNotNull(manga.filterChapters(selectedBranchValue).chapters)
+			val manga = checkNotNull(details.value)
+			val chapters = checkNotNull(manga.chapters[selectedBranchValue])
 			val chapterIndex = chapters.indexOfFirst { it.id == chapterId }
 			check(chapterIndex in chapters.indices) { "Chapter not found" }
 			val percent = chapterIndex / chapters.size.toFloat()
 			historyRepository.addOrUpdate(
-				manga = manga.requireAny(),
+				manga = manga.toManga(),
 				chapterId = chapterId,
 				page = 0,
 				scroll = 0,
@@ -313,7 +298,7 @@ class DetailsViewModel @Inject constructor(
 	fun download(chaptersIds: Set<Long>?) {
 		launchJob(Dispatchers.Default) {
 			downloadScheduler.schedule(
-				doubleManga.requireValue().requireAny(),
+				details.requireValue().toManga(),
 				chaptersIds,
 			)
 			onDownloadStarted.call(Unit)
@@ -333,14 +318,18 @@ class DetailsViewModel @Inject constructor(
 	}
 
 	private fun doLoad() = launchLoadingJob(Dispatchers.Default) {
-		doubleMangaLoadUseCase.invoke(intent)
-			.onFirst {
-				val manga = it.requireAny()
+		detailsLoadUseCase.invoke(intent)
+			.onEachWhile {
+				if (it.allChapters.isEmpty()) {
+					return@onEachWhile false
+				}
+				val manga = it.toManga()
 				// find default branch
 				val hist = historyRepository.getOne(manga)
 				selectedBranch.value = manga.getPreferredBranch(hist)
+				true
 			}.collect {
-				doubleManga.value = it
+				details.value = it
 			}
 	}
 
@@ -356,21 +345,12 @@ class DetailsViewModel @Inject constructor(
 	private suspend fun onDownloadComplete(downloadedManga: LocalManga?) {
 		downloadedManga ?: return
 		launchJob {
-			doubleManga.update {
+			details.update {
 				interactor.updateLocal(it, downloadedManga)
 			}
 		}
 	}
 
-	private fun Spanned.filterSpans(): CharSequence {
-		val spannable = SpannableString.valueOf(this)
-		val spans = spannable.getSpans<ForegroundColorSpan>()
-		for (span in spans) {
-			spannable.removeSpan(span)
-		}
-		return spannable.trim()
-	}
-
 	private fun getScrobbler(index: Int): Scrobbler? {
 		val info = scrobblingInfo.value.getOrNull(index)
 		val scrobbler = if (info != null) {

app/src/main/kotlin/org/koitharu/kotatsu/details/ui/adapter/ChapterListItemAD.kt

@@ -6,6 +6,7 @@ import com.hannesdorfmann.adapterdelegates4.dsl.adapterDelegateViewBinding
 import org.koitharu.kotatsu.R
 import org.koitharu.kotatsu.core.ui.list.AdapterDelegateClickListenerAdapter
 import org.koitharu.kotatsu.core.ui.list.OnListItemClickListener
+import org.koitharu.kotatsu.core.util.ext.drawableEnd
 import org.koitharu.kotatsu.core.util.ext.drawableStart
 import org.koitharu.kotatsu.core.util.ext.getThemeColor
 import org.koitharu.kotatsu.core.util.ext.textAndVisible
@@ -47,7 +48,6 @@ fun chapterListItemAD(
 		}
 		binding.imageViewBookmarked.isVisible = item.isBookmarked
 		binding.imageViewDownloaded.isVisible = item.isDownloaded
-		// binding.imageViewNew.isVisible = item.isNew
 		binding.textViewTitle.drawableStart = if (item.isNew) {
 			ContextCompat.getDrawable(context, R.drawable.ic_new)
 		} else {

app/src/main/kotlin/org/koitharu/kotatsu/download/domain/DownloadState.kt

@@ -19,6 +19,7 @@ data class DownloadState(
 	val eta: Long = -1L,
 	val localManga: LocalManga? = null,
 	val downloadedChapters: LongArray = LongArray(0),
+	val scheduledChapters: LongArray = LongArray(0),
 	val timestamp: Long = System.currentTimeMillis(),
 ) {
 
@@ -42,6 +43,7 @@ data class DownloadState(
 		.putLong(DATA_TIMESTAMP, timestamp)
 		.putString(DATA_ERROR, error)
 		.putLongArray(DATA_CHAPTERS, downloadedChapters)
+		.putLongArray(DATA_CHAPTERS_SRC, scheduledChapters)
 		.putBoolean(DATA_INDETERMINATE, isIndeterminate)
 		.putBoolean(DATA_PAUSED, isPaused)
 		.build()
@@ -64,10 +66,13 @@ data class DownloadState(
 		if (eta != other.eta) return false
 		if (localManga != other.localManga) return false
 		if (!downloadedChapters.contentEquals(other.downloadedChapters)) return false
+		if (!scheduledChapters.contentEquals(other.scheduledChapters)) return false
 		if (timestamp != other.timestamp) return false
 		if (max != other.max) return false
 		if (progress != other.progress) return false
-		return percent == other.percent
+		if (percent != other.percent) return false
+
+		return true
 	}
 
 	override fun hashCode(): Int {
@@ -83,6 +88,7 @@ data class DownloadState(
 		result = 31 * result + eta.hashCode()
 		result = 31 * result + (localManga?.hashCode() ?: 0)
 		result = 31 * result + downloadedChapters.contentHashCode()
+		result = 31 * result + scheduledChapters.contentHashCode()
 		result = 31 * result + timestamp.hashCode()
 		result = 31 * result + max
 		result = 31 * result + progress
@@ -90,12 +96,14 @@ data class DownloadState(
 		return result
 	}
 
+
 	companion object {
 
 		private const val DATA_MANGA_ID = "manga_id"
 		private const val DATA_MAX = "max"
 		private const val DATA_PROGRESS = "progress"
 		private const val DATA_CHAPTERS = "chapter"
+		private const val DATA_CHAPTERS_SRC = "chapters_src"
 		private const val DATA_ETA = "eta"
 		private const val DATA_TIMESTAMP = "timestamp"
 		private const val DATA_ERROR = "error"
@@ -119,5 +127,7 @@ data class DownloadState(
 		fun getTimestamp(data: Data): Date = Date(data.getLong(DATA_TIMESTAMP, 0L))
 
 		fun getDownloadedChapters(data: Data): LongArray = data.getLongArray(DATA_CHAPTERS) ?: LongArray(0)
+
+		fun getScheduledChapters(data: Data): LongArray = data.getLongArray(DATA_CHAPTERS_SRC) ?: LongArray(0)
 	}
 }

app/src/main/kotlin/org/koitharu/kotatsu/download/ui/list/DownloadItemAD.kt

@@ -1,18 +1,29 @@
 package org.koitharu.kotatsu.download.ui.list
 
+import android.transition.TransitionManager
 import android.view.View
+import androidx.core.content.ContextCompat
 import androidx.core.view.isVisible
 import androidx.lifecycle.LifecycleOwner
+import androidx.recyclerview.widget.DividerItemDecoration
+import androidx.recyclerview.widget.RecyclerView
 import androidx.work.WorkInfo
 import coil.ImageLoader
 import com.hannesdorfmann.adapterdelegates4.dsl.adapterDelegateViewBinding
 import org.koitharu.kotatsu.R
+import org.koitharu.kotatsu.core.ui.BaseListAdapter
 import org.koitharu.kotatsu.core.ui.image.TrimTransformation
+import org.koitharu.kotatsu.core.util.ext.drawableEnd
 import org.koitharu.kotatsu.core.util.ext.enqueueWith
+import org.koitharu.kotatsu.core.util.ext.isAnimationsEnabled
 import org.koitharu.kotatsu.core.util.ext.newImageRequest
 import org.koitharu.kotatsu.core.util.ext.source
 import org.koitharu.kotatsu.core.util.ext.textAndVisible
 import org.koitharu.kotatsu.databinding.ItemDownloadBinding
+import org.koitharu.kotatsu.download.ui.list.chapters.DownloadChapter
+import org.koitharu.kotatsu.download.ui.list.chapters.downloadChapterAD
+import org.koitharu.kotatsu.list.ui.ListModelDiffCallback
+import org.koitharu.kotatsu.list.ui.adapter.ListItemType
 import org.koitharu.kotatsu.list.ui.model.ListModel
 import org.koitharu.kotatsu.parsers.util.format
 
@@ -25,6 +36,9 @@ fun downloadItemAD(
 ) {
 
 	val percentPattern = context.resources.getString(R.string.percent_string_pattern)
+	val expandIcon = ContextCompat.getDrawable(context, R.drawable.ic_expand_collapse)
+	val chaptersAdapter = BaseListAdapter<DownloadChapter>()
+		.addDelegate(ListItemType.CHAPTER, downloadChapterAD())
 
 	val clickListener = object : View.OnClickListener, View.OnLongClickListener {
 		override fun onClick(v: View) {
@@ -45,8 +59,13 @@ fun downloadItemAD(
 	binding.buttonResume.setOnClickListener(clickListener)
 	itemView.setOnClickListener(clickListener)
 	itemView.setOnLongClickListener(clickListener)
+	binding.recyclerViewChapters.addItemDecoration(DividerItemDecoration(context, RecyclerView.VERTICAL))
+	binding.recyclerViewChapters.adapter = chaptersAdapter
 
 	bind { payloads ->
+		if (ListModelDiffCallback.PAYLOAD_CHECKED_CHANGED in payloads && context.isAnimationsEnabled) {
+			TransitionManager.beginDelayedTransition(binding.constraintLayout)
+		}
 		binding.textViewTitle.text = item.manga.title
 		binding.imageViewCover.newImageRequest(lifecycleOwner, item.manga.coverUrl)?.apply {
 			placeholder(R.drawable.ic_placeholder)
@@ -57,6 +76,10 @@ fun downloadItemAD(
 			source(item.manga.source)
 			enqueueWith(coil)
 		}
+		binding.textViewTitle.isChecked = item.isExpanded
+		binding.textViewTitle.drawableEnd = if (item.isExpandable) expandIcon else null
+		binding.cardDetails.isVisible = item.isExpanded
+		chaptersAdapter.items = item.chapters
 		when (item.workState) {
 			WorkInfo.State.ENQUEUED,
 			WorkInfo.State.BLOCKED -> {

app/src/main/kotlin/org/koitharu/kotatsu/download/ui/list/DownloadItemModel.kt

@@ -2,6 +2,8 @@ package org.koitharu.kotatsu.download.ui.list
 
 import android.text.format.DateUtils
 import androidx.work.WorkInfo
+import org.koitharu.kotatsu.download.ui.list.chapters.DownloadChapter
+import org.koitharu.kotatsu.list.ui.ListModelDiffCallback
 import org.koitharu.kotatsu.list.ui.model.ListModel
 import org.koitharu.kotatsu.parsers.model.Manga
 import java.util.Date
@@ -19,6 +21,8 @@ data class DownloadItemModel(
 	val progress: Int,
 	val eta: Long,
 	val timestamp: Date,
+	val chapters: List<DownloadChapter>,
+	val isExpanded: Boolean,
 ) : ListModel, Comparable<DownloadItemModel> {
 
 	val percent: Float
@@ -33,6 +37,9 @@ data class DownloadItemModel(
 	val canResume: Boolean
 		get() = workState == WorkInfo.State.RUNNING && isPaused
 
+	val isExpandable: Boolean
+		get() = chapters.isNotEmpty()
+
 	fun getEtaString(): CharSequence? = if (hasEta) {
 		DateUtils.getRelativeTimeSpanString(
 			eta,
@@ -51,17 +58,10 @@ data class DownloadItemModel(
 		return other is DownloadItemModel && other.id == id
 	}
 
-	override fun getChangePayload(previousState: ListModel): Any? {
-		return when (previousState) {
-			is DownloadItemModel -> {
-				if (workState == previousState.workState) {
-					Unit
-				} else {
-					null
-				}
-			}
-
-			else -> super.getChangePayload(previousState)
-		}
+	override fun getChangePayload(previousState: ListModel): Any? = when {
+		previousState !is DownloadItemModel -> super.getChangePayload(previousState)
+		workState != previousState.workState -> null
+		isExpanded != previousState.isExpanded -> ListModelDiffCallback.PAYLOAD_CHECKED_CHANGED
+		else -> ListModelDiffCallback.PAYLOAD_ANYTHING_CHANGED
 	}
 }

app/src/main/kotlin/org/koitharu/kotatsu/download/ui/list/DownloadsActivity.kt

@@ -82,7 +82,11 @@ class DownloadsActivity : BaseActivity<ActivityDownloadsBinding>(),
 		if (selectionController.onItemClick(item.id.mostSignificantBits)) {
 			return
 		}
-		startActivity(DetailsActivity.newIntent(view.context, item.manga))
+		if (item.isExpandable) {
+			viewModel.expandCollapse(item)
+		} else {
+			startActivity(DetailsActivity.newIntent(view.context, item.manga))
+		}
 	}
 
 	override fun onItemLongClick(item: DownloadItemModel, view: View): Boolean {

app/src/main/kotlin/org/koitharu/kotatsu/download/ui/list/DownloadsViewModel.kt

@@ -8,15 +8,19 @@ import androidx.work.Data
 import androidx.work.WorkInfo
 import dagger.hilt.android.lifecycle.HiltViewModel
 import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.flow.MutableStateFlow
 import kotlinx.coroutines.flow.SharingStarted
+import kotlinx.coroutines.flow.combine
 import kotlinx.coroutines.flow.map
-import kotlinx.coroutines.flow.mapLatest
 import kotlinx.coroutines.flow.stateIn
+import kotlinx.coroutines.flow.update
 import kotlinx.coroutines.plus
 import kotlinx.coroutines.sync.Mutex
 import kotlinx.coroutines.sync.withLock
 import org.koitharu.kotatsu.R
 import org.koitharu.kotatsu.core.parser.MangaDataRepository
+import org.koitharu.kotatsu.core.parser.MangaRepository
+import org.koitharu.kotatsu.core.parser.RemoteMangaRepository
 import org.koitharu.kotatsu.core.ui.BaseViewModel
 import org.koitharu.kotatsu.core.ui.model.DateTimeAgo
 import org.koitharu.kotatsu.core.ui.util.ReversibleAction
@@ -24,6 +28,7 @@ import org.koitharu.kotatsu.core.util.ext.MutableEventFlow
 import org.koitharu.kotatsu.core.util.ext.call
 import org.koitharu.kotatsu.core.util.ext.daysDiff
 import org.koitharu.kotatsu.download.domain.DownloadState
+import org.koitharu.kotatsu.download.ui.list.chapters.DownloadChapter
 import org.koitharu.kotatsu.download.ui.worker.DownloadWorker
 import org.koitharu.kotatsu.list.ui.model.EmptyState
 import org.koitharu.kotatsu.list.ui.model.ListHeader
@@ -31,6 +36,7 @@ import org.koitharu.kotatsu.list.ui.model.ListModel
 import org.koitharu.kotatsu.list.ui.model.LoadingState
 import org.koitharu.kotatsu.parsers.model.Manga
 import org.koitharu.kotatsu.parsers.util.mapToSet
+import org.koitharu.kotatsu.parsers.util.runCatchingCancellable
 import java.util.Date
 import java.util.LinkedList
 import java.util.UUID
@@ -41,13 +47,18 @@ import javax.inject.Inject
 class DownloadsViewModel @Inject constructor(
 	private val workScheduler: DownloadWorker.Scheduler,
 	private val mangaDataRepository: MangaDataRepository,
+	private val mangaRepositoryFactory: MangaRepository.Factory,
 ) : BaseViewModel() {
 
 	private val mangaCache = LongSparseArray<Manga>()
 	private val cacheMutex = Mutex()
-	private val works = workScheduler.observeWorks()
-		.mapLatest { it.toDownloadsList() }
-		.stateIn(viewModelScope + Dispatchers.Default, SharingStarted.Eagerly, null)
+	private val expanded = MutableStateFlow(emptySet<UUID>())
+	private val works = combine(
+		workScheduler.observeWorks(),
+		expanded,
+	) { list, exp ->
+		list.toDownloadsList(exp)
+	}.stateIn(viewModelScope + Dispatchers.Default, SharingStarted.Eagerly, null)
 
 	val onActionDone = MutableEventFlow<ReversibleAction>()
 
@@ -169,11 +180,21 @@ class DownloadsViewModel @Inject constructor(
 		it.id.mostSignificantBits
 	} ?: emptySet()
 
-	private suspend fun List<WorkInfo>.toDownloadsList(): List<DownloadItemModel> {
+	fun expandCollapse(item: DownloadItemModel) {
+		expanded.update {
+			if (item.id in it) {
+				it - item.id
+			} else {
+				it + item.id
+			}
+		}
+	}
+
+	private suspend fun List<WorkInfo>.toDownloadsList(exp: Set<UUID>): List<DownloadItemModel> {
 		if (isEmpty()) {
 			return emptyList()
 		}
-		val list = mapNotNullTo(ArrayList(size)) { it.toUiModel() }
+		val list = mapNotNullTo(ArrayList(size)) { it.toUiModel(it.id in exp) }
 		list.sortByDescending { it.timestamp }
 		return list
 	}
@@ -213,11 +234,13 @@ class DownloadsViewModel @Inject constructor(
 		return destination
 	}
 
-	private suspend fun WorkInfo.toUiModel(): DownloadItemModel? {
+	private suspend fun WorkInfo.toUiModel(isExpanded: Boolean): DownloadItemModel? {
 		val workData = if (outputData == Data.EMPTY) progress else outputData
 		val mangaId = DownloadState.getMangaId(workData)
 		if (mangaId == 0L) return null
 		val manga = getManga(mangaId) ?: return null
+		val downloadedChapters = DownloadState.getDownloadedChapters(workData)
+		val scheduledChapters = DownloadState.getScheduledChapters(workData).toSet()
 		return DownloadItemModel(
 			id = id,
 			workState = state,
@@ -229,7 +252,19 @@ class DownloadsViewModel @Inject constructor(
 			progress = DownloadState.getProgress(workData),
 			eta = DownloadState.getEta(workData),
 			timestamp = DownloadState.getTimestamp(workData),
-			totalChapters = DownloadState.getDownloadedChapters(workData).size,
+			totalChapters = downloadedChapters.size,
+			isExpanded = isExpanded,
+			chapters = manga.chapters?.mapNotNull {
+				if (it.id in scheduledChapters) {
+					DownloadChapter(
+						number = it.number,
+						name = it.name,
+						isDownloaded = it.id in downloadedChapters,
+					)
+				} else {
+					null
+				}
+			}.orEmpty(),
 		)
 	}
 
@@ -261,8 +296,16 @@ class DownloadsViewModel @Inject constructor(
 		}
 		return cacheMutex.withLock {
 			mangaCache.getOrElse(mangaId) {
-				mangaDataRepository.findMangaById(mangaId)?.also { mangaCache[mangaId] = it } ?: return null
+				mangaDataRepository.findMangaById(mangaId)?.let {
+					tryLoad(it) ?: it
+				}?.also {
+					mangaCache[mangaId] = it
+				} ?: return null
 			}
 		}
 	}
+
+	private suspend fun tryLoad(manga: Manga) = runCatchingCancellable {
+		(mangaRepositoryFactory.create(manga.source) as RemoteMangaRepository).peekDetails(manga)
+	}.getOrNull()
 }

app/src/main/kotlin/org/koitharu/kotatsu/download/ui/list/chapters/DownloadChapter.kt

@@ -0,0 +1,14 @@
+package org.koitharu.kotatsu.download.ui.list.chapters
+
+import org.koitharu.kotatsu.list.ui.model.ListModel
+
+data class DownloadChapter(
+	val number: Int,
+	val name: String,
+	val isDownloaded: Boolean,
+) : ListModel {
+
+	override fun areItemsTheSame(other: ListModel): Boolean {
+		return other is DownloadChapter && other.name == name
+	}
+}

app/src/main/kotlin/org/koitharu/kotatsu/download/ui/list/chapters/DownloadChapterAD.kt

@@ -0,0 +1,20 @@
+package org.koitharu.kotatsu.download.ui.list.chapters
+
+import androidx.core.content.ContextCompat
+import com.hannesdorfmann.adapterdelegates4.dsl.adapterDelegateViewBinding
+import org.koitharu.kotatsu.R
+import org.koitharu.kotatsu.core.util.ext.drawableEnd
+import org.koitharu.kotatsu.databinding.ItemChapterDownloadBinding
+
+fun downloadChapterAD() = adapterDelegateViewBinding<DownloadChapter, DownloadChapter, ItemChapterDownloadBinding>(
+	{ layoutInflater, parent -> ItemChapterDownloadBinding.inflate(layoutInflater, parent, false) },
+) {
+
+	val iconDone = ContextCompat.getDrawable(context, R.drawable.ic_check)
+
+	bind {
+		binding.textViewNumber.text = item.number.toString()
+		binding.textViewTitle.text = item.name
+		binding.textViewTitle.drawableEnd = if (item.isDownloaded) iconDone else null
+	}
+}

app/src/main/kotlin/org/koitharu/kotatsu/download/ui/worker/DownloadWorker.kt

@@ -178,6 +178,9 @@ class DownloadWorker @AssistedInject constructor(
 					}
 				}
 				val chapters = getChapters(mangaDetails, includedIds)
+				publishState(
+					currentState.copy(scheduledChapters = LongArray(chapters.size) { i -> chapters[i].id }),
+				)
 				for ((chapterIndex, chapter) in chapters.withIndex()) {
 					if (chaptersToSkip.remove(chapter.id)) {
 						publishState(

app/src/main/kotlin/org/koitharu/kotatsu/explore/data/MangaSourcesRepository.kt

@@ -6,6 +6,7 @@ import kotlinx.coroutines.flow.Flow
 import kotlinx.coroutines.flow.combine
 import kotlinx.coroutines.flow.distinctUntilChanged
 import kotlinx.coroutines.flow.flatMapLatest
+import kotlinx.coroutines.flow.flowOf
 import kotlinx.coroutines.flow.map
 import org.koitharu.kotatsu.BuildConfig
 import org.koitharu.kotatsu.core.db.MangaDatabase
@@ -92,19 +93,25 @@ class MangaSourcesRepository @Inject constructor(
 		}
 	}
 
-	fun observeNewSources(): Flow<Set<MangaSource>> = combine(
-		dao.observeAll(),
-		observeIsNsfwDisabled(),
-	) { entities, skipNsfw ->
-		val result = EnumSet.copyOf(remoteSources)
-		for (e in entities) {
-			result.remove(MangaSource(e.source))
+	fun observeNewSources(): Flow<Set<MangaSource>> = observeIsNewSourcesEnabled().flatMapLatest {
+		if (it) {
+			combine(
+				dao.observeAll(),
+				observeIsNsfwDisabled(),
+			) { entities, skipNsfw ->
+				val result = EnumSet.copyOf(remoteSources)
+				for (e in entities) {
+					result.remove(MangaSource(e.source))
+				}
+				if (skipNsfw) {
+					result.removeAll { x -> x.isNsfw() }
+				}
+				result
+			}.distinctUntilChanged()
+		} else {
+			flowOf(emptySet())
 		}
-		if (skipNsfw) {
-			result.removeAll { x -> x.isNsfw() }
-		}
-		result
-	}.distinctUntilChanged()
+	}
 
 	suspend fun assimilateNewSources(): Set<MangaSource> {
 		val new = getNewSources()
@@ -156,4 +163,8 @@ class MangaSourcesRepository @Inject constructor(
 	private fun observeIsNsfwDisabled() = settings.observeAsFlow(AppSettings.KEY_DISABLE_NSFW) {
 		isNsfwContentDisabled
 	}
+
+	private fun observeIsNewSourcesEnabled() = settings.observeAsFlow(AppSettings.KEY_SOURCES_NEW) {
+		isNewSourcesTipEnabled
+	}
 }

app/src/main/kotlin/org/koitharu/kotatsu/favourites/data/EntityMapping.kt

@@ -1,17 +1,16 @@
 package org.koitharu.kotatsu.favourites.data
 
-import org.koitharu.kotatsu.core.db.entity.SortOrder
 import org.koitharu.kotatsu.core.db.entity.toManga
 import org.koitharu.kotatsu.core.db.entity.toMangaTags
 import org.koitharu.kotatsu.core.model.FavouriteCategory
-import org.koitharu.kotatsu.parsers.model.SortOrder
+import org.koitharu.kotatsu.list.domain.ListSortOrder
 import java.util.Date
 
 fun FavouriteCategoryEntity.toFavouriteCategory(id: Long = categoryId.toLong()) = FavouriteCategory(
 	id = id,
 	title = title,
 	sortKey = sortKey,
-	order = SortOrder(order, SortOrder.NEWEST),
+	order = ListSortOrder(order, ListSortOrder.NEWEST),
 	createdAt = Date(createdAt),
 	isTrackingEnabled = track,
 	isVisibleInLibrary = isVisibleInLibrary,

app/src/main/kotlin/org/koitharu/kotatsu/favourites/data/FavouritesDao.kt

@@ -1,13 +1,19 @@
 package org.koitharu.kotatsu.favourites.data
 
-import androidx.room.*
+import androidx.room.Dao
+import androidx.room.Insert
+import androidx.room.OnConflictStrategy
+import androidx.room.Query
+import androidx.room.RawQuery
+import androidx.room.Transaction
+import androidx.room.Upsert
 import androidx.sqlite.db.SimpleSQLiteQuery
 import androidx.sqlite.db.SupportSQLiteQuery
 import kotlinx.coroutines.flow.Flow
 import org.intellij.lang.annotations.Language
 import org.koitharu.kotatsu.core.db.entity.MangaEntity
 import org.koitharu.kotatsu.favourites.domain.model.Cover
-import org.koitharu.kotatsu.parsers.model.SortOrder
+import org.koitharu.kotatsu.list.domain.ListSortOrder
 
 @Dao
 abstract class FavouritesDao {
@@ -22,7 +28,7 @@ abstract class FavouritesDao {
 	@Query("SELECT * FROM favourites WHERE deleted_at = 0 GROUP BY manga_id ORDER BY created_at DESC LIMIT :limit")
 	abstract suspend fun findLast(limit: Int): List<FavouriteManga>
 
-	fun observeAll(order: SortOrder): Flow<List<FavouriteManga>> {
+	fun observeAll(order: ListSortOrder): Flow<List<FavouriteManga>> {
 		val orderBy = getOrderBy(order)
 
 		@Language("RoomSql")
@@ -47,7 +53,7 @@ abstract class FavouritesDao {
 	)
 	abstract suspend fun findAll(categoryId: Long): List<FavouriteManga>
 
-	fun observeAll(categoryId: Long, order: SortOrder): Flow<List<FavouriteManga>> {
+	fun observeAll(categoryId: Long, order: ListSortOrder): Flow<List<FavouriteManga>> {
 		val orderBy = getOrderBy(order)
 
 		@Language("RoomSql")
@@ -72,13 +78,14 @@ abstract class FavouritesDao {
 	)
 	abstract suspend fun findAllManga(categoryId: Int): List<MangaEntity>
 
-	suspend fun findCovers(categoryId: Long, order: SortOrder): List<Cover> {
+	suspend fun findCovers(categoryId: Long, order: ListSortOrder): List<Cover> {
 		val orderBy = getOrderBy(order)
 
 		@Language("RoomSql")
 		val query = SimpleSQLiteQuery(
-			"SELECT m.cover_url AS url, m.source AS source FROM favourites AS f LEFT JOIN manga AS m ON f.manga_id = m.manga_id " +
-				"WHERE f.category_id = ? AND deleted_at = 0 ORDER BY $orderBy",
+			"SELECT manga.cover_url AS url, manga.source AS source FROM favourites " +
+				"LEFT JOIN manga ON favourites.manga_id = manga.manga_id " +
+				"WHERE favourites.category_id = ? AND deleted_at = 0 ORDER BY $orderBy",
 			arrayOf<Any>(categoryId),
 		)
 		return findCoversImpl(query)
@@ -157,13 +164,12 @@ abstract class FavouritesDao {
 	@Query("UPDATE favourites SET deleted_at = :deletedAt WHERE category_id = :categoryId AND deleted_at = 0")
 	protected abstract suspend fun setDeletedAtAll(categoryId: Long, deletedAt: Long)
 
-	private fun getOrderBy(sortOrder: SortOrder) = when (sortOrder) {
-		SortOrder.RATING -> "rating DESC"
-		SortOrder.NEWEST,
-		SortOrder.UPDATED,
-		-> "created_at DESC"
-
-		SortOrder.ALPHABETICAL -> "title ASC"
+	private fun getOrderBy(sortOrder: ListSortOrder) = when (sortOrder) {
+		ListSortOrder.RATING -> "manga.rating DESC"
+		ListSortOrder.NEWEST -> "favourites.created_at DESC"
+		ListSortOrder.ALPHABETIC -> "manga.title ASC"
+		ListSortOrder.NEW_CHAPTERS -> "(SELECT chapters_new FROM tracks WHERE tracks.manga_id = manga.manga_id) DESC"
+		ListSortOrder.PROGRESS -> "(SELECT percent FROM history WHERE history.manga_id = manga.manga_id) DESC"
 		else -> throw IllegalArgumentException("Sort order $sortOrder is not supported")
 	}
 }

app/src/main/kotlin/org/koitharu/kotatsu/favourites/domain/FavouritesRepository.kt

@@ -8,7 +8,6 @@ import kotlinx.coroutines.flow.filterNotNull
 import kotlinx.coroutines.flow.flatMapLatest
 import kotlinx.coroutines.flow.map
 import org.koitharu.kotatsu.core.db.MangaDatabase
-import org.koitharu.kotatsu.core.db.entity.SortOrder
 import org.koitharu.kotatsu.core.db.entity.toEntities
 import org.koitharu.kotatsu.core.db.entity.toEntity
 import org.koitharu.kotatsu.core.model.FavouriteCategory
@@ -20,8 +19,8 @@ import org.koitharu.kotatsu.favourites.data.toFavouriteCategory
 import org.koitharu.kotatsu.favourites.data.toManga
 import org.koitharu.kotatsu.favourites.data.toMangaList
 import org.koitharu.kotatsu.favourites.domain.model.Cover
+import org.koitharu.kotatsu.list.domain.ListSortOrder
 import org.koitharu.kotatsu.parsers.model.Manga
-import org.koitharu.kotatsu.parsers.model.SortOrder
 import org.koitharu.kotatsu.tracker.work.TrackerNotificationChannels
 import javax.inject.Inject
 
@@ -41,7 +40,7 @@ class FavouritesRepository @Inject constructor(
 		return entities.toMangaList()
 	}
 
-	fun observeAll(order: SortOrder): Flow<List<Manga>> {
+	fun observeAll(order: ListSortOrder): Flow<List<Manga>> {
 		return db.favouritesDao.observeAll(order)
 			.mapItems { it.toManga() }
 	}
@@ -51,7 +50,7 @@ class FavouritesRepository @Inject constructor(
 		return entities.toMangaList()
 	}
 
-	fun observeAll(categoryId: Long, order: SortOrder): Flow<List<Manga>> {
+	fun observeAll(categoryId: Long, order: ListSortOrder): Flow<List<Manga>> {
 		return db.favouritesDao.observeAll(categoryId, order)
 			.mapItems { it.toManga() }
 	}
@@ -105,7 +104,7 @@ class FavouritesRepository @Inject constructor(
 
 	suspend fun createCategory(
 		title: String,
-		sortOrder: SortOrder,
+		sortOrder: ListSortOrder,
 		isTrackerEnabled: Boolean,
 		isVisibleOnShelf: Boolean,
 	): FavouriteCategory {
@@ -128,7 +127,7 @@ class FavouritesRepository @Inject constructor(
 	suspend fun updateCategory(
 		id: Long,
 		title: String,
-		sortOrder: SortOrder,
+		sortOrder: ListSortOrder,
 		isTrackerEnabled: Boolean,
 		isVisibleOnShelf: Boolean,
 	) {
@@ -156,7 +155,7 @@ class FavouritesRepository @Inject constructor(
 		}
 	}
 
-	suspend fun setCategoryOrder(id: Long, order: SortOrder) {
+	suspend fun setCategoryOrder(id: Long, order: ListSortOrder) {
 		db.favouriteCategoriesDao.updateOrder(id, order.name)
 	}
 
@@ -205,10 +204,10 @@ class FavouritesRepository @Inject constructor(
 		return ReversibleHandle { recoverToCategory(categoryId, ids) }
 	}
 
-	private fun observeOrder(categoryId: Long): Flow<SortOrder> {
+	private fun observeOrder(categoryId: Long): Flow<ListSortOrder> {
 		return db.favouriteCategoriesDao.observe(categoryId)
 			.filterNotNull()
-			.map { x -> SortOrder(x.order, SortOrder.NEWEST) }
+			.map { x -> ListSortOrder(x.order, ListSortOrder.NEWEST) }
 			.distinctUntilChanged()
 	}
 

app/src/main/kotlin/org/koitharu/kotatsu/favourites/ui/categories/FavouriteCategoriesActivity.kt

@@ -27,7 +27,6 @@ import org.koitharu.kotatsu.favourites.ui.categories.edit.FavouritesCategoryEdit
 import org.koitharu.kotatsu.list.ui.adapter.ListStateHolderListener
 import org.koitharu.kotatsu.list.ui.adapter.TypedListSpacingDecoration
 import org.koitharu.kotatsu.list.ui.model.ListModel
-import org.koitharu.kotatsu.parsers.model.SortOrder
 import javax.inject.Inject
 
 @AndroidEntryPoint
@@ -176,12 +175,6 @@ class FavouriteCategoriesActivity :
 
 	companion object {
 
-		val SORT_ORDERS = arrayOf(
-			SortOrder.ALPHABETICAL,
-			SortOrder.NEWEST,
-			SortOrder.RATING,
-		)
-
 		fun newIntent(context: Context) = Intent(context, FavouriteCategoriesActivity::class.java)
 	}
 }

app/src/main/kotlin/org/koitharu/kotatsu/favourites/ui/categories/edit/FavouritesCategoryEditActivity.kt

@@ -18,16 +18,15 @@ import dagger.hilt.android.AndroidEntryPoint
 import org.koitharu.kotatsu.R
 import org.koitharu.kotatsu.core.model.FavouriteCategory
 import org.koitharu.kotatsu.core.ui.BaseActivity
-import org.koitharu.kotatsu.core.ui.model.titleRes
 import org.koitharu.kotatsu.core.ui.util.DefaultTextWatcher
 import org.koitharu.kotatsu.core.util.ext.getDisplayMessage
 import org.koitharu.kotatsu.core.util.ext.getSerializableCompat
 import org.koitharu.kotatsu.core.util.ext.observe
 import org.koitharu.kotatsu.core.util.ext.observeEvent
 import org.koitharu.kotatsu.core.util.ext.setChecked
+import org.koitharu.kotatsu.core.util.ext.sortedByOrdinal
 import org.koitharu.kotatsu.databinding.ActivityCategoryEditBinding
-import org.koitharu.kotatsu.favourites.ui.categories.FavouriteCategoriesActivity
-import org.koitharu.kotatsu.parsers.model.SortOrder
+import org.koitharu.kotatsu.list.domain.ListSortOrder
 import com.google.android.material.R as materialR
 
 @AndroidEntryPoint
@@ -38,7 +37,8 @@ class FavouritesCategoryEditActivity :
 	DefaultTextWatcher {
 
 	private val viewModel by viewModels<FavouritesCategoryEditViewModel>()
-	private var selectedSortOrder: SortOrder? = null
+	private var selectedSortOrder: ListSortOrder? = null
+	private val sortOrders = ListSortOrder.FAVORITES.sortedByOrdinal()
 
 	override fun onCreate(savedInstanceState: Bundle?) {
 		super.onCreate(savedInstanceState)
@@ -68,7 +68,7 @@ class FavouritesCategoryEditActivity :
 
 	override fun onRestoreInstanceState(savedInstanceState: Bundle) {
 		super.onRestoreInstanceState(savedInstanceState)
-		val order = savedInstanceState.getSerializableCompat<SortOrder>(KEY_SORT_ORDER)
+		val order = savedInstanceState.getSerializableCompat<ListSortOrder>(KEY_SORT_ORDER)
 		if (order != null) {
 			selectedSortOrder = order
 		}
@@ -103,7 +103,7 @@ class FavouritesCategoryEditActivity :
 	}
 
 	override fun onItemClick(parent: AdapterView<*>?, view: View?, position: Int, id: Long) {
-		selectedSortOrder = FavouriteCategoriesActivity.SORT_ORDERS.getOrNull(position)
+		selectedSortOrder = sortOrders.getOrNull(position)
 	}
 
 	private fun onCategoryChanged(category: FavouriteCategory?) {
@@ -113,7 +113,7 @@ class FavouritesCategoryEditActivity :
 		}
 		viewBinding.editName.setText(category?.title)
 		selectedSortOrder = category?.order
-		val sortText = getString((category?.order ?: SortOrder.NEWEST).titleRes)
+		val sortText = getString((category?.order ?: ListSortOrder.NEWEST).titleResId)
 		viewBinding.editSort.setText(sortText, false)
 		viewBinding.switchTracker.setChecked(category?.isTrackingEnabled ?: true, false)
 		viewBinding.switchShelf.setChecked(category?.isVisibleInLibrary ?: true, false)
@@ -135,17 +135,17 @@ class FavouritesCategoryEditActivity :
 	}
 
 	private fun initSortSpinner() {
-		val entries = FavouriteCategoriesActivity.SORT_ORDERS.map { getString(it.titleRes) }
+		val entries = sortOrders.map { getString(it.titleResId) }
 		val adapter = SortAdapter(this, entries)
 		viewBinding.editSort.setAdapter(adapter)
 		viewBinding.editSort.onItemClickListener = this
 	}
 
-	private fun getSelectedSortOrder(): SortOrder {
+	private fun getSelectedSortOrder(): ListSortOrder {
 		selectedSortOrder?.let { return it }
-		val entries = FavouriteCategoriesActivity.SORT_ORDERS.map { getString(it.titleRes) }
+		val entries = sortOrders.map { getString(it.titleResId) }
 		val index = entries.indexOf(viewBinding.editSort.text.toString())
-		return FavouriteCategoriesActivity.SORT_ORDERS.getOrNull(index) ?: SortOrder.NEWEST
+		return sortOrders.getOrNull(index) ?: ListSortOrder.NEWEST
 	}
 
 	private class SortAdapter(

app/src/main/kotlin/org/koitharu/kotatsu/favourites/ui/categories/edit/FavouritesCategoryEditViewModel.kt

@@ -17,7 +17,7 @@ import org.koitharu.kotatsu.core.util.ext.call
 import org.koitharu.kotatsu.favourites.domain.FavouritesRepository
 import org.koitharu.kotatsu.favourites.ui.categories.edit.FavouritesCategoryEditActivity.Companion.EXTRA_ID
 import org.koitharu.kotatsu.favourites.ui.categories.edit.FavouritesCategoryEditActivity.Companion.NO_ID
-import org.koitharu.kotatsu.parsers.model.SortOrder
+import org.koitharu.kotatsu.list.domain.ListSortOrder
 import javax.inject.Inject
 
 @HiltViewModel
@@ -48,7 +48,7 @@ class FavouritesCategoryEditViewModel @Inject constructor(
 
 	fun save(
 		title: String,
-		sortOrder: SortOrder,
+		sortOrder: ListSortOrder,
 		isTrackerEnabled: Boolean,
 		isVisibleOnShelf: Boolean,
 	) {

app/src/main/kotlin/org/koitharu/kotatsu/favourites/ui/list/FavouritesListFragment.kt

@@ -10,13 +10,11 @@ import androidx.fragment.app.viewModels
 import dagger.hilt.android.AndroidEntryPoint
 import org.koitharu.kotatsu.R
 import org.koitharu.kotatsu.core.ui.list.ListSelectionController
-import org.koitharu.kotatsu.core.ui.model.titleRes
-import org.koitharu.kotatsu.core.ui.util.MenuInvalidator
 import org.koitharu.kotatsu.core.util.ext.addMenuProvider
-import org.koitharu.kotatsu.core.util.ext.observe
+import org.koitharu.kotatsu.core.util.ext.sortedByOrdinal
 import org.koitharu.kotatsu.core.util.ext.withArgs
 import org.koitharu.kotatsu.databinding.FragmentListBinding
-import org.koitharu.kotatsu.favourites.ui.categories.FavouriteCategoriesActivity
+import org.koitharu.kotatsu.list.domain.ListSortOrder
 import org.koitharu.kotatsu.list.ui.MangaListFragment
 import org.koitharu.kotatsu.parsers.model.MangaSource
 
@@ -27,12 +25,14 @@ class FavouritesListFragment : MangaListFragment(), PopupMenu.OnMenuItemClickLis
 
 	override val isSwipeRefreshEnabled = false
 
+	val categoryId
+		get() = viewModel.categoryId
+
 	override fun onViewBindingCreated(binding: FragmentListBinding, savedInstanceState: Bundle?) {
 		super.onViewBindingCreated(binding, savedInstanceState)
 		if (viewModel.categoryId != NO_ID) {
 			addMenuProvider(FavouritesListMenuProvider(binding.root.context, viewModel))
 		}
-		viewModel.sortOrder.observe(viewLifecycleOwner, MenuInvalidator(requireActivity()))
 	}
 
 	override fun onScrolledToEnd() = Unit
@@ -40,14 +40,15 @@ class FavouritesListFragment : MangaListFragment(), PopupMenu.OnMenuItemClickLis
 	override fun onFilterClick(view: View?) {
 		val menu = PopupMenu(view?.context ?: return, view)
 		menu.setOnMenuItemClickListener(this)
-		for ((i, item) in FavouriteCategoriesActivity.SORT_ORDERS.withIndex()) {
-			menu.menu.add(Menu.NONE, Menu.NONE, i, item.titleRes)
+		val orders = ListSortOrder.FAVORITES.sortedByOrdinal()
+		for ((i, item) in orders.withIndex()) {
+			menu.menu.add(Menu.NONE, Menu.NONE, i, item.titleResId)
 		}
 		menu.show()
 	}
 
 	override fun onMenuItemClick(item: MenuItem): Boolean {
-		val order = FavouriteCategoriesActivity.SORT_ORDERS.getOrNull(item.order) ?: return false
+		val order = ListSortOrder.FAVORITES.sortedByOrdinal().getOrNull(item.order) ?: return false
 		viewModel.setSortOrder(order)
 		return true
 	}

app/src/main/kotlin/org/koitharu/kotatsu/favourites/ui/list/FavouritesListMenuProvider.kt

@@ -5,12 +5,8 @@ import android.view.Menu
 import android.view.MenuInflater
 import android.view.MenuItem
 import androidx.core.view.MenuProvider
-import androidx.core.view.forEach
 import org.koitharu.kotatsu.R
-import org.koitharu.kotatsu.core.ui.model.titleRes
-import org.koitharu.kotatsu.favourites.ui.categories.FavouriteCategoriesActivity
 import org.koitharu.kotatsu.favourites.ui.categories.edit.FavouritesCategoryEditActivity
-import org.koitharu.kotatsu.parsers.model.SortOrder
 
 class FavouritesListMenuProvider(
 	private val context: Context,
@@ -19,34 +15,12 @@ class FavouritesListMenuProvider(
 
 	override fun onCreateMenu(menu: Menu, menuInflater: MenuInflater) {
 		menuInflater.inflate(R.menu.opt_favourites, menu)
-		val subMenu = menu.findItem(R.id.action_order)?.subMenu ?: return
-		for (order in FavouriteCategoriesActivity.SORT_ORDERS) {
-			subMenu.add(R.id.group_order, Menu.NONE, order.ordinal, order.titleRes)
-		}
-		subMenu.setGroupCheckable(R.id.group_order, true, true)
-	}
-
-	override fun onPrepareMenu(menu: Menu) {
-		super.onPrepareMenu(menu)
-		val order = viewModel.sortOrder.value ?: return
-		menu.findItem(R.id.action_order)?.subMenu?.forEach { item ->
-			if (item.order == order.ordinal) {
-				item.isChecked = true
-			}
-		}
 	}
 
 	override fun onMenuItemSelected(menuItem: MenuItem): Boolean {
-		if (menuItem.groupId == R.id.group_order) {
-			val order = SortOrder.entries[menuItem.order]
-			viewModel.setSortOrder(order)
-			return true
-		}
 		return when (menuItem.itemId) {
 			R.id.action_edit -> {
-				context.startActivity(
-					FavouritesCategoryEditActivity.newIntent(context, viewModel.categoryId),
-				)
+				context.startActivity(FavouritesCategoryEditActivity.newIntent(context, viewModel.categoryId))
 				true
 			}
 

app/src/main/kotlin/org/koitharu/kotatsu/favourites/ui/list/FavouritesListViewModel.kt

@@ -14,6 +14,7 @@ import kotlinx.coroutines.flow.stateIn
 import kotlinx.coroutines.plus
 import org.koitharu.kotatsu.R
 import org.koitharu.kotatsu.core.prefs.AppSettings
+import org.koitharu.kotatsu.core.prefs.observeAsFlow
 import org.koitharu.kotatsu.core.ui.util.ReversibleAction
 import org.koitharu.kotatsu.core.util.ext.call
 import org.koitharu.kotatsu.download.ui.worker.DownloadWorker
@@ -21,12 +22,12 @@ import org.koitharu.kotatsu.favourites.domain.FavouritesRepository
 import org.koitharu.kotatsu.favourites.ui.list.FavouritesListFragment.Companion.ARG_CATEGORY_ID
 import org.koitharu.kotatsu.favourites.ui.list.FavouritesListFragment.Companion.NO_ID
 import org.koitharu.kotatsu.list.domain.ListExtraProvider
+import org.koitharu.kotatsu.list.domain.ListSortOrder
 import org.koitharu.kotatsu.list.ui.MangaListViewModel
 import org.koitharu.kotatsu.list.ui.model.EmptyState
 import org.koitharu.kotatsu.list.ui.model.LoadingState
 import org.koitharu.kotatsu.list.ui.model.toErrorState
 import org.koitharu.kotatsu.list.ui.model.toUi
-import org.koitharu.kotatsu.parsers.model.SortOrder
 import javax.inject.Inject
 
 @HiltViewModel
@@ -40,7 +41,10 @@ class FavouritesListViewModel @Inject constructor(
 
 	val categoryId: Long = savedStateHandle[ARG_CATEGORY_ID] ?: NO_ID
 
-	val sortOrder: StateFlow<SortOrder?> = if (categoryId == NO_ID) {
+	override val listMode = settings.observeAsFlow(AppSettings.KEY_LIST_MODE_FAVORITES) { favoritesListMode }
+		.stateIn(viewModelScope + Dispatchers.Default, SharingStarted.Eagerly, settings.favoritesListMode)
+
+	val sortOrder: StateFlow<ListSortOrder?> = if (categoryId == NO_ID) {
 		MutableStateFlow(null)
 	} else {
 		repository.observeCategory(categoryId)
@@ -50,7 +54,7 @@ class FavouritesListViewModel @Inject constructor(
 
 	override val content = combine(
 		if (categoryId == NO_ID) {
-			repository.observeAll(SortOrder.NEWEST)
+			repository.observeAll(ListSortOrder.NEWEST)
 		} else {
 			repository.observeAll(categoryId)
 		},
@@ -94,7 +98,7 @@ class FavouritesListViewModel @Inject constructor(
 		}
 	}
 
-	fun setSortOrder(order: SortOrder) {
+	fun setSortOrder(order: ListSortOrder) {
 		if (categoryId == NO_ID) {
 			return
 		}

app/src/main/kotlin/org/koitharu/kotatsu/filter/ui/FilterCoordinator.kt

@@ -25,6 +25,7 @@ import org.koitharu.kotatsu.core.ui.widgets.ChipsView
 import org.koitharu.kotatsu.core.util.ext.lifecycleScope
 import org.koitharu.kotatsu.core.util.ext.printStackTraceDebug
 import org.koitharu.kotatsu.core.util.ext.require
+import org.koitharu.kotatsu.core.util.ext.sortedByOrdinal
 import org.koitharu.kotatsu.filter.ui.model.FilterHeaderModel
 import org.koitharu.kotatsu.filter.ui.model.FilterItem
 import org.koitharu.kotatsu.filter.ui.model.FilterState
@@ -207,7 +208,7 @@ class FilterCoordinator @Inject constructor(
 		state: FilterState,
 		query: String,
 	): List<ListModel> {
-		val sortOrders = repository.sortOrders.sortedBy { it.ordinal }
+		val sortOrders = repository.sortOrders.sortedByOrdinal()
 		val tags = mergeTags(state.tags, allTags.tags).toList()
 		val list = ArrayList<ListModel>(tags.size + sortOrders.size + 3)
 		if (query.isEmpty()) {

app/src/main/kotlin/org/koitharu/kotatsu/history/data/HistoryDao.kt

@@ -12,7 +12,7 @@ import kotlinx.coroutines.flow.Flow
 import org.intellij.lang.annotations.Language
 import org.koitharu.kotatsu.core.db.entity.MangaEntity
 import org.koitharu.kotatsu.core.db.entity.TagEntity
-import org.koitharu.kotatsu.history.domain.model.HistoryOrder
+import org.koitharu.kotatsu.list.domain.ListSortOrder
 
 @Dao
 abstract class HistoryDao {
@@ -33,12 +33,14 @@ abstract class HistoryDao {
 	@Query("SELECT * FROM history WHERE deleted_at = 0 ORDER BY updated_at DESC LIMIT :limit")
 	abstract fun observeAll(limit: Int): Flow<List<HistoryWithManga>>
 
-	fun observeAll(order: HistoryOrder): Flow<List<HistoryWithManga>> {
+	fun observeAll(order: ListSortOrder): Flow<List<HistoryWithManga>> {
 		val orderBy = when (order) {
-			HistoryOrder.UPDATED -> "history.updated_at DESC"
-			HistoryOrder.CREATED -> "history.created_at DESC"
-			HistoryOrder.PROGRESS -> "history.percent DESC"
-			HistoryOrder.ALPHABETIC -> "manga.title"
+			ListSortOrder.UPDATED -> "history.updated_at DESC"
+			ListSortOrder.NEWEST -> "history.created_at DESC"
+			ListSortOrder.PROGRESS -> "history.percent DESC"
+			ListSortOrder.ALPHABETIC -> "manga.title"
+			ListSortOrder.NEW_CHAPTERS -> "(SELECT chapters_new FROM tracks WHERE tracks.manga_id = manga.manga_id) DESC"
+			else -> throw IllegalArgumentException("Sort order $order is not supported")
 		}
 
 		@Language("RoomSql")

app/src/main/kotlin/org/koitharu/kotatsu/history/data/HistoryRepository.kt

@@ -18,8 +18,8 @@ import org.koitharu.kotatsu.core.model.findById
 import org.koitharu.kotatsu.core.prefs.AppSettings
 import org.koitharu.kotatsu.core.ui.util.ReversibleHandle
 import org.koitharu.kotatsu.core.util.ext.mapItems
-import org.koitharu.kotatsu.history.domain.model.HistoryOrder
 import org.koitharu.kotatsu.history.domain.model.MangaWithHistory
+import org.koitharu.kotatsu.list.domain.ListSortOrder
 import org.koitharu.kotatsu.parsers.model.Manga
 import org.koitharu.kotatsu.parsers.model.MangaTag
 import org.koitharu.kotatsu.scrobbling.common.domain.Scrobbler
@@ -66,7 +66,7 @@ class HistoryRepository @Inject constructor(
 		}
 	}
 
-	fun observeAllWithHistory(order: HistoryOrder): Flow<List<MangaWithHistory>> {
+	fun observeAllWithHistory(order: ListSortOrder): Flow<List<MangaWithHistory>> {
 		return db.historyDao.observeAll(order).mapItems {
 			MangaWithHistory(
 				it.manga.toManga(it.tags.toMangaTags()),
@@ -93,8 +93,11 @@ class HistoryRepository @Inject constructor(
 		}
 		val tags = manga.tags.toEntities()
 		db.withTransaction {
-			db.tagsDao.upsert(tags)
-			db.mangaDao.upsert(manga.toEntity(), tags)
+			val existing = db.mangaDao.find(manga.id)?.manga
+			if (existing == null || existing.source == manga.source.name) {
+				db.tagsDao.upsert(tags)
+				db.mangaDao.upsert(manga.toEntity(), tags)
+			}
 			db.historyDao.upsert(
 				HistoryEntity(
 					mangaId = manga.id,

app/src/main/kotlin/org/koitharu/kotatsu/history/domain/model/HistoryOrder.kt

@@ -1,16 +0,0 @@
-package org.koitharu.kotatsu.history.domain.model
-
-import androidx.annotation.StringRes
-import org.koitharu.kotatsu.R
-
-enum class HistoryOrder(
-	@StringRes val titleResId: Int,
-) {
-
-	UPDATED(R.string.updated),
-	CREATED(R.string.order_added),
-	PROGRESS(R.string.progress),
-	ALPHABETIC(R.string.by_name);
-
-	fun isGroupingSupported() = this == UPDATED || this == CREATED || this == PROGRESS
-}

app/src/main/kotlin/org/koitharu/kotatsu/history/ui/HistoryListFragment.kt

@@ -9,9 +9,7 @@ import dagger.hilt.android.AndroidEntryPoint
 import org.koitharu.kotatsu.R
 import org.koitharu.kotatsu.core.os.NetworkManageIntent
 import org.koitharu.kotatsu.core.ui.list.ListSelectionController
-import org.koitharu.kotatsu.core.ui.util.MenuInvalidator
 import org.koitharu.kotatsu.core.util.ext.addMenuProvider
-import org.koitharu.kotatsu.core.util.ext.observe
 import org.koitharu.kotatsu.databinding.FragmentListBinding
 import org.koitharu.kotatsu.list.ui.MangaListFragment
 import org.koitharu.kotatsu.list.ui.size.DynamicItemSizeResolver
@@ -26,9 +24,6 @@ class HistoryListFragment : MangaListFragment() {
 	override fun onViewBindingCreated(binding: FragmentListBinding, savedInstanceState: Bundle?) {
 		super.onViewBindingCreated(binding, savedInstanceState)
 		addMenuProvider(HistoryListMenuProvider(binding.root.context, viewModel))
-		val menuInvalidator = MenuInvalidator(requireActivity())
-		viewModel.isGroupingEnabled.observe(viewLifecycleOwner, menuInvalidator)
-		viewModel.sortOrder.observe(viewLifecycleOwner, menuInvalidator)
 	}
 
 	override fun onScrolledToEnd() = Unit

app/src/main/kotlin/org/koitharu/kotatsu/history/ui/HistoryListMenuProvider.kt

@@ -5,12 +5,10 @@ import android.view.Menu
 import android.view.MenuInflater
 import android.view.MenuItem
 import androidx.core.view.MenuProvider
-import androidx.core.view.forEach
 import com.google.android.material.dialog.MaterialAlertDialogBuilder
 import org.koitharu.kotatsu.R
 import org.koitharu.kotatsu.core.ui.dialog.RememberSelectionDialogListener
 import org.koitharu.kotatsu.core.util.ext.startOfDay
-import org.koitharu.kotatsu.history.domain.model.HistoryOrder
 import java.util.Date
 import java.util.concurrent.TimeUnit
 import com.google.android.material.R as materialR
@@ -22,47 +20,19 @@ class HistoryListMenuProvider(
 
 	override fun onCreateMenu(menu: Menu, menuInflater: MenuInflater) {
 		menuInflater.inflate(R.menu.opt_history, menu)
-		val subMenu = menu.findItem(R.id.action_order)?.subMenu ?: return
-		for (order in HistoryOrder.entries) {
-			subMenu.add(R.id.group_order, Menu.NONE, order.ordinal, order.titleResId)
-		}
-		subMenu.setGroupCheckable(R.id.group_order, true, true)
 	}
 
 	override fun onMenuItemSelected(menuItem: MenuItem): Boolean {
-		if (menuItem.groupId == R.id.group_order) {
-			val order = HistoryOrder.entries[menuItem.order]
-			viewModel.setSortOrder(order)
-			return true
-		}
 		return when (menuItem.itemId) {
 			R.id.action_clear_history -> {
 				showClearHistoryDialog()
 				true
 			}
 
-			R.id.action_history_grouping -> {
-				viewModel.setGrouping(!menuItem.isChecked)
-				true
-			}
-
 			else -> false
 		}
 	}
 
-	override fun onPrepareMenu(menu: Menu) {
-		val order = viewModel.sortOrder.value
-		menu.findItem(R.id.action_order)?.subMenu?.forEach { item ->
-			if (item.order == order.ordinal) {
-				item.isChecked = true
-			}
-		}
-		menu.findItem(R.id.action_history_grouping)?.run {
-			isChecked = viewModel.isGroupingEnabled.value == true
-			isEnabled = order.isGroupingSupported()
-		}
-	}
-
 	private fun showClearHistoryDialog() {
 		val selectionListener = RememberSelectionDialogListener(2)
 		MaterialAlertDialogBuilder(context, materialR.style.ThemeOverlay_Material3_MaterialAlertDialog_Centered)

app/src/main/kotlin/org/koitharu/kotatsu/history/ui/HistoryListViewModel.kt

@@ -26,9 +26,9 @@ import org.koitharu.kotatsu.core.util.ext.daysDiff
 import org.koitharu.kotatsu.core.util.ext.onFirst
 import org.koitharu.kotatsu.download.ui.worker.DownloadWorker
 import org.koitharu.kotatsu.history.data.HistoryRepository
-import org.koitharu.kotatsu.history.domain.model.HistoryOrder
 import org.koitharu.kotatsu.history.domain.model.MangaWithHistory
 import org.koitharu.kotatsu.list.domain.ListExtraProvider
+import org.koitharu.kotatsu.list.domain.ListSortOrder
 import org.koitharu.kotatsu.list.ui.MangaListViewModel
 import org.koitharu.kotatsu.list.ui.model.EmptyHint
 import org.koitharu.kotatsu.list.ui.model.EmptyState
@@ -54,22 +54,21 @@ class HistoryListViewModel @Inject constructor(
 	downloadScheduler: DownloadWorker.Scheduler,
 ) : MangaListViewModel(settings, downloadScheduler) {
 
-	val sortOrder: StateFlow<HistoryOrder> = settings.observeAsStateFlow(
+	private val sortOrder: StateFlow<ListSortOrder> = settings.observeAsStateFlow(
 		scope = viewModelScope + Dispatchers.IO,
 		key = AppSettings.KEY_HISTORY_ORDER,
 		valueProducer = { historySortOrder },
 	)
 
-	val isGroupingEnabled = settings.observeAsFlow(
+	override val listMode = settings.observeAsFlow(AppSettings.KEY_LIST_MODE_HISTORY) { historyListMode }
+		.stateIn(viewModelScope + Dispatchers.Default, SharingStarted.Eagerly, settings.historyListMode)
+
+	private val isGroupingEnabled = settings.observeAsFlow(
 		key = AppSettings.KEY_HISTORY_GROUPING,
 		valueProducer = { isHistoryGroupingEnabled },
 	).combine(sortOrder) { g, s ->
 		g && s.isGroupingSupported()
-	}.stateIn(
-		scope = viewModelScope + Dispatchers.Default,
-		started = SharingStarted.Eagerly,
-		initialValue = settings.isHistoryGroupingEnabled && sortOrder.value.isGroupingSupported(),
-	)
+	}
 
 	override val content = combine(
 		sortOrder.flatMapLatest { repository.observeAllWithHistory(it) },
@@ -101,10 +100,6 @@ class HistoryListViewModel @Inject constructor(
 
 	override fun onRetry() = Unit
 
-	fun setSortOrder(order: HistoryOrder) {
-		settings.historySortOrder = order
-	}
-
 	fun clearHistory(minDate: Long) {
 		launchJob(Dispatchers.Default) {
 			val stringRes = if (minDate <= 0) {
@@ -128,10 +123,6 @@ class HistoryListViewModel @Inject constructor(
 		}
 	}
 
-	fun setGrouping(isGroupingEnabled: Boolean) {
-		settings.isHistoryGroupingEnabled = isGroupingEnabled
-	}
-
 	private suspend fun mapList(
 		list: List<MangaWithHistory>,
 		grouped: Boolean,
@@ -173,10 +164,10 @@ class HistoryListViewModel @Inject constructor(
 		return result
 	}
 
-	private fun MangaHistory.header(order: HistoryOrder): ListHeader? = when (order) {
-		HistoryOrder.UPDATED -> ListHeader(timeAgo(updatedAt))
-		HistoryOrder.CREATED -> ListHeader(timeAgo(createdAt))
-		HistoryOrder.PROGRESS -> ListHeader(
+	private fun MangaHistory.header(order: ListSortOrder): ListHeader? = when (order) {
+		ListSortOrder.UPDATED -> ListHeader(timeAgo(updatedAt))
+		ListSortOrder.NEWEST -> ListHeader(timeAgo(createdAt))
+		ListSortOrder.PROGRESS -> ListHeader(
 			when (percent) {
 				1f -> R.string.status_completed
 				in 0f..0.01f -> R.string.status_planned
@@ -185,7 +176,10 @@ class HistoryListViewModel @Inject constructor(
 			},
 		)
 
-		HistoryOrder.ALPHABETIC -> null
+		ListSortOrder.ALPHABETIC,
+		ListSortOrder.RELEVANCE,
+		ListSortOrder.NEW_CHAPTERS,
+		ListSortOrder.RATING -> null
 	}
 
 	private fun timeAgo(date: Date): DateTimeAgo {

app/src/main/kotlin/org/koitharu/kotatsu/list/domain/ListSortOrder.kt

@@ -0,0 +1,31 @@
+package org.koitharu.kotatsu.list.domain
+
+import androidx.annotation.StringRes
+import org.koitharu.kotatsu.R
+import org.koitharu.kotatsu.parsers.util.find
+import java.util.EnumSet
+
+enum class ListSortOrder(
+	@StringRes val titleResId: Int,
+) {
+
+	UPDATED(R.string.updated),
+	NEWEST(R.string.order_added),
+	PROGRESS(R.string.progress),
+	ALPHABETIC(R.string.by_name),
+	RATING(R.string.by_rating),
+	RELEVANCE(R.string.by_relevance),
+	NEW_CHAPTERS(R.string.new_chapters),
+	;
+
+	fun isGroupingSupported() = this == UPDATED || this == NEWEST || this == PROGRESS
+
+	companion object {
+
+		val HISTORY: Set<ListSortOrder> = EnumSet.of(UPDATED, NEWEST, PROGRESS, ALPHABETIC, NEW_CHAPTERS)
+		val FAVORITES: Set<ListSortOrder> = EnumSet.of(ALPHABETIC, NEWEST, RATING, NEW_CHAPTERS, PROGRESS)
+		val SUGGESTIONS: Set<ListSortOrder> = EnumSet.of(RELEVANCE)
+
+		operator fun invoke(value: String, fallback: ListSortOrder) = entries.find(value) ?: fallback
+	}
+}

app/src/main/kotlin/org/koitharu/kotatsu/list/ui/ListModeBottomSheet.kt

@@ -1,78 +0,0 @@
-package org.koitharu.kotatsu.list.ui
-
-import android.os.Bundle
-import android.view.LayoutInflater
-import android.view.ViewGroup
-import androidx.core.view.isVisible
-import androidx.fragment.app.FragmentManager
-import com.google.android.material.button.MaterialButtonToggleGroup
-import com.google.android.material.slider.Slider
-import dagger.hilt.android.AndroidEntryPoint
-import org.koitharu.kotatsu.R
-import org.koitharu.kotatsu.core.prefs.AppSettings
-import org.koitharu.kotatsu.core.prefs.ListMode
-import org.koitharu.kotatsu.core.ui.sheet.BaseAdaptiveSheet
-import org.koitharu.kotatsu.core.util.ext.setValueRounded
-import org.koitharu.kotatsu.core.util.ext.showDistinct
-import org.koitharu.kotatsu.core.util.progress.IntPercentLabelFormatter
-import org.koitharu.kotatsu.databinding.DialogListModeBinding
-import javax.inject.Inject
-
-@AndroidEntryPoint
-class ListModeBottomSheet :
-	BaseAdaptiveSheet<DialogListModeBinding>(),
-	Slider.OnChangeListener,
-	MaterialButtonToggleGroup.OnButtonCheckedListener {
-
-	@Inject
-	lateinit var settings: AppSettings
-
-	override fun onCreateViewBinding(
-		inflater: LayoutInflater,
-		container: ViewGroup?,
-	) = DialogListModeBinding.inflate(inflater, container, false)
-
-	override fun onViewBindingCreated(binding: DialogListModeBinding, savedInstanceState: Bundle?) {
-		super.onViewBindingCreated(binding, savedInstanceState)
-		val mode = settings.listMode
-		binding.buttonList.isChecked = mode == ListMode.LIST
-		binding.buttonListDetailed.isChecked = mode == ListMode.DETAILED_LIST
-		binding.buttonGrid.isChecked = mode == ListMode.GRID
-		binding.textViewGridTitle.isVisible = mode == ListMode.GRID
-		binding.sliderGrid.isVisible = mode == ListMode.GRID
-
-		binding.sliderGrid.setLabelFormatter(IntPercentLabelFormatter(binding.root.context))
-		binding.sliderGrid.setValueRounded(settings.gridSize.toFloat())
-		binding.sliderGrid.addOnChangeListener(this)
-
-		binding.checkableGroup.addOnButtonCheckedListener(this)
-	}
-
-	override fun onButtonChecked(group: MaterialButtonToggleGroup?, checkedId: Int, isChecked: Boolean) {
-		if (!isChecked) {
-			return
-		}
-		val mode = when (checkedId) {
-			R.id.button_list -> ListMode.LIST
-			R.id.button_list_detailed -> ListMode.DETAILED_LIST
-			R.id.button_grid -> ListMode.GRID
-			else -> return
-		}
-		requireViewBinding().textViewGridTitle.isVisible = mode == ListMode.GRID
-		requireViewBinding().sliderGrid.isVisible = mode == ListMode.GRID
-		settings.listMode = mode
-	}
-
-	override fun onValueChange(slider: Slider, value: Float, fromUser: Boolean) {
-		if (fromUser) {
-			settings.gridSize = value.toInt()
-		}
-	}
-
-	companion object {
-
-		private const val TAG = "ListModeSelectDialog"
-
-		fun show(fm: FragmentManager) = ListModeBottomSheet().showDistinct(fm, TAG)
-	}
-}

app/src/main/kotlin/org/koitharu/kotatsu/list/ui/MangaListMenuProvider.kt

@@ -6,6 +6,11 @@ import android.view.MenuItem
 import androidx.core.view.MenuProvider
 import androidx.fragment.app.Fragment
 import org.koitharu.kotatsu.R
+import org.koitharu.kotatsu.favourites.ui.list.FavouritesListFragment
+import org.koitharu.kotatsu.history.ui.HistoryListFragment
+import org.koitharu.kotatsu.list.ui.config.ListConfigBottomSheet
+import org.koitharu.kotatsu.list.ui.config.ListConfigSection
+import org.koitharu.kotatsu.suggestions.ui.SuggestionsFragment
 
 class MangaListMenuProvider(
 	private val fragment: Fragment,
@@ -17,7 +22,13 @@ class MangaListMenuProvider(
 
 	override fun onMenuItemSelected(menuItem: MenuItem): Boolean = when (menuItem.itemId) {
 		R.id.action_list_mode -> {
-			ListModeBottomSheet.show(fragment.childFragmentManager)
+			val section: ListConfigSection = when (fragment) {
+				is HistoryListFragment -> ListConfigSection.History
+				is SuggestionsFragment -> ListConfigSection.Suggestions
+				is FavouritesListFragment -> ListConfigSection.Favorites(fragment.categoryId)
+				else -> ListConfigSection.General
+			}
+			ListConfigBottomSheet.show(fragment.childFragmentManager, section)
 			true
 		}
 

app/src/main/kotlin/org/koitharu/kotatsu/list/ui/MangaListViewModel.kt

@@ -24,7 +24,7 @@ abstract class MangaListViewModel(
 ) : BaseViewModel() {
 
 	abstract val content: StateFlow<List<ListModel>>
-	val listMode = settings.observeAsFlow(AppSettings.KEY_LIST_MODE) { listMode }
+	open val listMode = settings.observeAsFlow(AppSettings.KEY_LIST_MODE) { listMode }
 		.stateIn(viewModelScope + Dispatchers.Default, SharingStarted.Eagerly, settings.listMode)
 	val onActionDone = MutableEventFlow<ReversibleAction>()
 	val gridScale = settings.observeAsStateFlow(

app/src/main/kotlin/org/koitharu/kotatsu/list/ui/adapter/ListItemType.kt

@@ -26,4 +26,5 @@ enum class ListItemType {
 	CATEGORY_LARGE,
 	MANGA_SCROBBLING,
 	NAV_ITEM,
+	CHAPTER,
 }

app/src/main/kotlin/org/koitharu/kotatsu/list/ui/adapter/TypedListSpacingDecoration.kt

@@ -59,6 +59,7 @@ class TypedListSpacingDecoration(
 			ListItemType.MANGA_NESTED_GROUP,
 			ListItemType.CATEGORY_LARGE,
 			ListItemType.NAV_ITEM,
+			ListItemType.CHAPTER,
 			null,
 			-> outRect.set(0)
 
@@ -77,6 +78,6 @@ class TypedListSpacingDecoration(
 	private fun Rect.set(spacing: Int) = set(spacing, spacing, spacing, spacing)
 
 	private fun ListItemType?.isEdgeToEdge() = this == ListItemType.MANGA_NESTED_GROUP
-			|| this == ListItemType.FILTER_SORT
-			|| this == ListItemType.FILTER_TAG
+		|| this == ListItemType.FILTER_SORT
+		|| this == ListItemType.FILTER_TAG
 }

app/src/main/kotlin/org/koitharu/kotatsu/list/ui/config/ListConfigBottomSheet.kt

@@ -0,0 +1,132 @@
+package org.koitharu.kotatsu.list.ui.config
+
+import android.os.Bundle
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import android.widget.AdapterView
+import android.widget.ArrayAdapter
+import android.widget.CompoundButton
+import androidx.core.view.isVisible
+import androidx.fragment.app.FragmentManager
+import androidx.fragment.app.viewModels
+import com.google.android.material.button.MaterialButtonToggleGroup
+import com.google.android.material.slider.Slider
+import dagger.hilt.android.AndroidEntryPoint
+import org.koitharu.kotatsu.R
+import org.koitharu.kotatsu.core.prefs.AppSettings
+import org.koitharu.kotatsu.core.prefs.ListMode
+import org.koitharu.kotatsu.core.ui.sheet.BaseAdaptiveSheet
+import org.koitharu.kotatsu.core.util.ext.setValueRounded
+import org.koitharu.kotatsu.core.util.ext.showDistinct
+import org.koitharu.kotatsu.core.util.ext.withArgs
+import org.koitharu.kotatsu.core.util.progress.IntPercentLabelFormatter
+import org.koitharu.kotatsu.databinding.SheetListModeBinding
+import javax.inject.Inject
+
+@AndroidEntryPoint
+class ListConfigBottomSheet :
+	BaseAdaptiveSheet<SheetListModeBinding>(),
+	Slider.OnChangeListener,
+	MaterialButtonToggleGroup.OnButtonCheckedListener, CompoundButton.OnCheckedChangeListener,
+	AdapterView.OnItemSelectedListener {
+
+	@Inject
+	@Deprecated("")
+	lateinit var settings: AppSettings
+
+	private val viewModel by viewModels<ListConfigViewModel>()
+
+	override fun onCreateViewBinding(
+		inflater: LayoutInflater,
+		container: ViewGroup?,
+	) = SheetListModeBinding.inflate(inflater, container, false)
+
+	override fun onViewBindingCreated(binding: SheetListModeBinding, savedInstanceState: Bundle?) {
+		super.onViewBindingCreated(binding, savedInstanceState)
+		val mode = viewModel.listMode
+		binding.buttonList.isChecked = mode == ListMode.LIST
+		binding.buttonListDetailed.isChecked = mode == ListMode.DETAILED_LIST
+		binding.buttonGrid.isChecked = mode == ListMode.GRID
+		binding.textViewGridTitle.isVisible = mode == ListMode.GRID
+		binding.sliderGrid.isVisible = mode == ListMode.GRID
+
+		binding.sliderGrid.setLabelFormatter(IntPercentLabelFormatter(binding.root.context))
+		binding.sliderGrid.setValueRounded(viewModel.gridSize.toFloat())
+		binding.sliderGrid.addOnChangeListener(this)
+
+		binding.checkableGroup.addOnButtonCheckedListener(this)
+
+		binding.switchGrouping.isVisible = viewModel.isGroupingAvailable
+		if (viewModel.isGroupingAvailable) {
+			binding.switchGrouping.isEnabled = settings.historySortOrder.isGroupingSupported()
+		}
+		binding.switchGrouping.isChecked = settings.isHistoryGroupingEnabled
+		binding.switchGrouping.setOnCheckedChangeListener(this)
+
+		val sortOrders = viewModel.getSortOrders()
+		if (sortOrders != null) {
+			binding.textViewOrderTitle.isVisible = true
+			binding.spinnerOrder.adapter = ArrayAdapter(
+				binding.spinnerOrder.context,
+				android.R.layout.simple_spinner_dropdown_item,
+				android.R.id.text1,
+				sortOrders.map { binding.spinnerOrder.context.getString(it.titleResId) },
+			)
+			val selected = sortOrders.indexOf(viewModel.getSelectedSortOrder())
+			if (selected >= 0) {
+				binding.spinnerOrder.setSelection(selected, false)
+			}
+			binding.spinnerOrder.onItemSelectedListener = this
+			binding.cardOrder.isVisible = true
+		}
+	}
+
+	override fun onButtonChecked(group: MaterialButtonToggleGroup?, checkedId: Int, isChecked: Boolean) {
+		if (!isChecked) {
+			return
+		}
+		val mode = when (checkedId) {
+			R.id.button_list -> ListMode.LIST
+			R.id.button_list_detailed -> ListMode.DETAILED_LIST
+			R.id.button_grid -> ListMode.GRID
+			else -> return
+		}
+		requireViewBinding().textViewGridTitle.isVisible = mode == ListMode.GRID
+		requireViewBinding().sliderGrid.isVisible = mode == ListMode.GRID
+		viewModel.listMode = mode
+	}
+
+	override fun onCheckedChanged(buttonView: CompoundButton, isChecked: Boolean) {
+		when (buttonView.id) {
+			R.id.switch_grouping -> settings.isHistoryGroupingEnabled = isChecked
+		}
+	}
+
+	override fun onValueChange(slider: Slider, value: Float, fromUser: Boolean) {
+		if (fromUser) {
+			viewModel.gridSize = value.toInt()
+		}
+	}
+
+	override fun onItemSelected(parent: AdapterView<*>, view: View?, position: Int, id: Long) {
+		when (parent.id) {
+			R.id.spinner_order -> {
+				viewModel.setSortOrder(position)
+				viewBinding?.switchGrouping?.isEnabled = settings.historySortOrder.isGroupingSupported()
+			}
+		}
+	}
+
+	override fun onNothingSelected(parent: AdapterView<*>?) = Unit
+
+	companion object {
+
+		private const val TAG = "ListModeSelectDialog"
+		const val ARG_SECTION = "section"
+
+		fun show(fm: FragmentManager, section: ListConfigSection) = ListConfigBottomSheet().withArgs(1) {
+			putParcelable(ARG_SECTION, section)
+		}.showDistinct(fm, TAG)
+	}
+}

app/src/main/kotlin/org/koitharu/kotatsu/list/ui/config/ListConfigSection.kt

@@ -0,0 +1,21 @@
+package org.koitharu.kotatsu.list.ui.config
+
+import android.os.Parcelable
+import kotlinx.parcelize.Parcelize
+
+sealed interface ListConfigSection : Parcelable {
+
+	@Parcelize
+	data object History : ListConfigSection
+
+	@Parcelize
+	data object General : ListConfigSection
+
+	@Parcelize
+	data class Favorites(
+		val categoryId: Long,
+	) : ListConfigSection
+
+	@Parcelize
+	data object Suggestions : ListConfigSection
+}

app/src/main/kotlin/org/koitharu/kotatsu/list/ui/config/ListConfigViewModel.kt

@@ -0,0 +1,76 @@
+package org.koitharu.kotatsu.list.ui.config
+
+import androidx.lifecycle.SavedStateHandle
+import dagger.hilt.android.lifecycle.HiltViewModel
+import kotlinx.coroutines.runBlocking
+import org.koitharu.kotatsu.core.prefs.AppSettings
+import org.koitharu.kotatsu.core.prefs.ListMode
+import org.koitharu.kotatsu.core.ui.BaseViewModel
+import org.koitharu.kotatsu.core.util.ext.require
+import org.koitharu.kotatsu.core.util.ext.sortedByOrdinal
+import org.koitharu.kotatsu.favourites.domain.FavouritesRepository
+import org.koitharu.kotatsu.list.domain.ListSortOrder
+import javax.inject.Inject
+
+@HiltViewModel
+class ListConfigViewModel @Inject constructor(
+	savedStateHandle: SavedStateHandle,
+	private val settings: AppSettings,
+	private val favouritesRepository: FavouritesRepository,
+) : BaseViewModel() {
+
+	val section = savedStateHandle.require<ListConfigSection>(ListConfigBottomSheet.ARG_SECTION)
+
+	var listMode: ListMode
+		get() = when (section) {
+			is ListConfigSection.Favorites -> settings.favoritesListMode
+			ListConfigSection.General -> settings.listMode
+			ListConfigSection.History -> settings.historyListMode
+			ListConfigSection.Suggestions -> settings.suggestionsListMode
+		}
+		set(value) {
+			when (section) {
+				is ListConfigSection.Favorites -> settings.favoritesListMode = value
+				ListConfigSection.General -> settings.listMode = value
+				ListConfigSection.History -> settings.historyListMode = value
+				ListConfigSection.Suggestions -> settings.suggestionsListMode = value
+			}
+		}
+
+	var gridSize: Int
+		get() = settings.gridSize
+		set(value) {
+			settings.gridSize = value
+		}
+
+	val isGroupingAvailable: Boolean
+		get() = section == ListConfigSection.History
+
+	fun getSortOrders(): List<ListSortOrder>? = when (section) {
+		is ListConfigSection.Favorites -> ListSortOrder.FAVORITES
+		ListConfigSection.General -> null
+		ListConfigSection.History -> ListSortOrder.HISTORY
+		ListConfigSection.Suggestions -> ListSortOrder.SUGGESTIONS
+	}?.sortedByOrdinal()
+
+	fun getSelectedSortOrder(): ListSortOrder? = when (section) {
+		is ListConfigSection.Favorites -> runBlocking { favouritesRepository.getCategory(section.categoryId).order }
+		ListConfigSection.General -> null
+		ListConfigSection.History -> settings.historySortOrder
+		ListConfigSection.Suggestions -> ListSortOrder.RELEVANCE // TODO
+	}
+
+	fun setSortOrder(position: Int) {
+		val value = getSortOrders()?.getOrNull(position) ?: return
+		when (section) {
+			is ListConfigSection.Favorites -> launchJob {
+				favouritesRepository.setCategoryOrder(section.categoryId, value)
+			}
+
+			ListConfigSection.General -> Unit
+			ListConfigSection.History -> settings.historySortOrder = value
+
+			ListConfigSection.Suggestions -> Unit
+		}
+	}
+}

app/src/main/kotlin/org/koitharu/kotatsu/local/data/LocalMangaRepository.kt

@@ -14,7 +14,7 @@ import kotlinx.coroutines.runInterruptible
 import org.koitharu.kotatsu.core.model.isLocal
 import org.koitharu.kotatsu.core.parser.MangaRepository
 import org.koitharu.kotatsu.core.prefs.AppSettings
-import org.koitharu.kotatsu.core.util.CompositeMutex
+import org.koitharu.kotatsu.core.util.CompositeMutex2
 import org.koitharu.kotatsu.core.util.ext.children
 import org.koitharu.kotatsu.core.util.ext.deleteAwait
 import org.koitharu.kotatsu.core.util.ext.filterWith
@@ -45,7 +45,7 @@ class LocalMangaRepository @Inject constructor(
 ) : MangaRepository {
 
 	override val source = MangaSource.LOCAL
-	private val locks = CompositeMutex<Long>()
+	private val locks = CompositeMutex2<Long>()
 
 	override val sortOrders: Set<SortOrder> = EnumSet.of(SortOrder.ALPHABETICAL, SortOrder.RATING, SortOrder.NEWEST)
 
@@ -122,14 +122,18 @@ class LocalMangaRepository @Inject constructor(
 
 	suspend fun getRemoteManga(localManga: Manga): Manga? {
 		return runCatchingCancellable {
-			LocalMangaInput.of(localManga).getMangaInfo()
+			LocalMangaInput.of(localManga).getMangaInfo()?.takeUnless { it.isLocal }
 		}.onFailure {
 			it.printStackTraceDebug()
 		}.getOrNull()
 	}
 
 	suspend fun findSavedManga(remoteManga: Manga): LocalManga? {
-		// TODO fast path by name
+		// fast path
+		LocalMangaInput.find(storageManager.getReadableDirs(), remoteManga)?.let {
+			return it.getManga()
+		}
+		// slow path
 		val files = getAllFiles()
 		return channelFlow {
 			for (file in files) {

app/src/main/kotlin/org/koitharu/kotatsu/local/data/MangaIndex.kt

@@ -4,6 +4,7 @@ import androidx.annotation.WorkerThread
 import org.json.JSONArray
 import org.json.JSONObject
 import org.koitharu.kotatsu.BuildConfig
+import org.koitharu.kotatsu.core.model.isLocal
 import org.koitharu.kotatsu.parsers.model.Manga
 import org.koitharu.kotatsu.parsers.model.MangaChapter
 import org.koitharu.kotatsu.parsers.model.MangaSource
@@ -21,7 +22,8 @@ class MangaIndex(source: String?) {
 
 	private val json: JSONObject = source?.let(::JSONObject) ?: JSONObject()
 
-	fun setMangaInfo(manga: Manga, append: Boolean) {
+	fun setMangaInfo(manga: Manga) {
+		require(!manga.isLocal) { "Local manga information cannot be stored" }
 		json.put("id", manga.id)
 		json.put("title", manga.title)
 		json.put("title_alt", manga.altTitle)
@@ -46,7 +48,7 @@ class MangaIndex(source: String?) {
 				}
 			},
 		)
-		if (!append || !json.has("chapters")) {
+		if (!json.has("chapters")) {
 			json.put("chapters", JSONObject())
 		}
 		json.put("app_id", BuildConfig.APPLICATION_ID)

app/src/main/kotlin/org/koitharu/kotatsu/local/data/input/LocalMangaDirInput.kt

@@ -40,13 +40,15 @@ class LocalMangaDirInput(root: File) : LocalMangaInput(root) {
 		val mangaUri = root.toUri().toString()
 		val chapterFiles = getChaptersFiles()
 		val info = index?.getMangaInfo()
+		val cover = fileUri(
+			root,
+			index?.getCoverEntry() ?: findFirstImageEntry().orEmpty(),
+		)
 		val manga = info?.copy2(
 			source = MangaSource.LOCAL,
 			url = mangaUri,
-			coverUrl = fileUri(
-				root,
-				index.getCoverEntry() ?: findFirstImageEntry().orEmpty(),
-			),
+			coverUrl = cover,
+			largeCoverUrl = cover,
 			chapters = info.chapters?.mapIndexed { i, c ->
 				c.copy(url = chapterFiles[i].toUri().toString(), source = MangaSource.LOCAL)
 			},

app/src/main/kotlin/org/koitharu/kotatsu/local/data/input/LocalMangaInput.kt

@@ -2,12 +2,18 @@ package org.koitharu.kotatsu.local.data.input
 
 import android.net.Uri
 import androidx.core.net.toFile
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.flow.channelFlow
+import kotlinx.coroutines.flow.firstOrNull
+import kotlinx.coroutines.flow.flowOn
+import kotlinx.coroutines.launch
 import org.koitharu.kotatsu.local.data.CbzFilter
 import org.koitharu.kotatsu.local.domain.model.LocalManga
 import org.koitharu.kotatsu.parsers.model.Manga
 import org.koitharu.kotatsu.parsers.model.MangaChapter
 import org.koitharu.kotatsu.parsers.model.MangaPage
 import org.koitharu.kotatsu.parsers.model.MangaSource
+import org.koitharu.kotatsu.parsers.util.toFileNameSafe
 import java.io.File
 
 sealed class LocalMangaInput(
@@ -37,16 +43,35 @@ sealed class LocalMangaInput(
 			else -> null
 		}
 
+		suspend fun find(roots: Iterable<File>, manga: Manga): LocalMangaInput? = channelFlow {
+			val fileName = manga.title.toFileNameSafe()
+			for (root in roots) {
+				launch {
+					val dir = File(root, fileName)
+					val zip = File(root, "$fileName.cbz")
+					val input = when {
+						dir.isDirectory -> LocalMangaDirInput(dir)
+						zip.isFile -> LocalMangaZipInput(zip)
+						else -> null
+					}
+					if (input?.getMangaInfo()?.id == manga.id) {
+						send(input)
+					}
+				}
+			}
+		}.flowOn(Dispatchers.Default).firstOrNull()
+
 		@JvmStatic
 		protected fun zipUri(file: File, entryName: String): String =
 			Uri.fromParts("cbz", file.path, entryName).toString()
 
 		@JvmStatic
 		protected fun Manga.copy2(
-			url: String = this.url,
-			coverUrl: String = this.coverUrl,
-			chapters: List<MangaChapter>? = this.chapters,
-			source: MangaSource = this.source,
+			url: String,
+			coverUrl: String,
+			largeCoverUrl: String,
+			chapters: List<MangaChapter>?,
+			source: MangaSource,
 		) = Manga(
 			id = id,
 			title = title,
@@ -67,8 +92,8 @@ sealed class LocalMangaInput(
 
 		@JvmStatic
 		protected fun MangaChapter.copy(
-			url: String = this.url,
-			source: MangaSource = this.source,
+			url: String,
+			source: MangaSource,
 		) = MangaChapter(
 			id = id,
 			name = name,

app/src/main/kotlin/org/koitharu/kotatsu/local/data/input/LocalMangaZipInput.kt

@@ -41,14 +41,15 @@ class LocalMangaZipInput(root: File) : LocalMangaInput(root) {
 				val index = entry?.let(zip::readText)?.let(::MangaIndex)
 				val info = index?.getMangaInfo()
 				if (info != null) {
+					val cover = zipUri(
+						root,
+						entryName = index.getCoverEntry() ?: findFirstImageEntry(zip.entries())?.name.orEmpty(),
+					)
 					return@use info.copy2(
 						source = MangaSource.LOCAL,
 						url = fileUri,
-						coverUrl = zipUri(
-							root,
-							entryName = index.getCoverEntry()
-								?: findFirstImageEntry(zip.entries())?.name.orEmpty(),
-						),
+						coverUrl = cover,
+						largeCoverUrl = cover,
 						chapters = info.chapters?.map { c ->
 							c.copy(url = fileUri, source = MangaSource.LOCAL)
 						},

app/src/main/kotlin/org/koitharu/kotatsu/local/data/output/LocalMangaDirOutput.kt

@@ -3,6 +3,7 @@ package org.koitharu.kotatsu.local.data.output
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.runInterruptible
 import org.koitharu.kotatsu.core.model.findById
+import org.koitharu.kotatsu.core.model.isLocal
 import org.koitharu.kotatsu.core.util.ext.deleteAwait
 import org.koitharu.kotatsu.core.util.ext.takeIfReadable
 import org.koitharu.kotatsu.core.zip.ZipOutput
@@ -21,7 +22,9 @@ class LocalMangaDirOutput(
 	private val index = MangaIndex(File(rootFile, ENTRY_NAME_INDEX).takeIfReadable()?.readText())
 
 	init {
-		index.setMangaInfo(manga, append = true)
+		if (!manga.isLocal) {
+			index.setMangaInfo(manga)
+		}
 	}
 
 	override suspend fun mergeWithExisting() = Unit

app/src/main/kotlin/org/koitharu/kotatsu/local/data/output/LocalMangaZipOutput.kt

@@ -3,6 +3,7 @@ package org.koitharu.kotatsu.local.data.output
 import androidx.annotation.WorkerThread
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.runInterruptible
+import org.koitharu.kotatsu.core.model.isLocal
 import org.koitharu.kotatsu.core.util.ext.deleteAwait
 import org.koitharu.kotatsu.core.util.ext.readText
 import org.koitharu.kotatsu.core.zip.ZipOutput
@@ -21,7 +22,9 @@ class LocalMangaZipOutput(
 	private val index = MangaIndex(null)
 
 	init {
-		index.setMangaInfo(manga, false)
+		if (!manga.isLocal) {
+			index.setMangaInfo(manga)
+		}
 	}
 
 	override suspend fun mergeWithExisting() {

app/src/main/kotlin/org/koitharu/kotatsu/local/ui/LocalChaptersRemoveService.kt

@@ -47,7 +47,7 @@ class LocalChaptersRemoveService : CoroutineIntentService() {
 		startForeground()
 		val mangaWithChapters = localMangaRepository.getDetails(manga)
 		localMangaRepository.deleteChapters(mangaWithChapters, chaptersIds)
-		localStorageChanges.emit(LocalManga(manga))
+		localStorageChanges.emit(LocalManga(localMangaRepository.getDetails(manga)))
 		ServiceCompat.stopForeground(this, ServiceCompat.STOP_FOREGROUND_REMOVE)
 	}
 

app/src/main/kotlin/org/koitharu/kotatsu/local/ui/LocalListMenuProvider.kt

@@ -24,7 +24,7 @@ class LocalListMenuProvider(
 				true
 			}
 
-			R.id.action_settings -> {
+			R.id.action_directories -> {
 				context.startActivity(MangaDirectoriesActivity.newIntent(context))
 				true
 			}

app/src/main/kotlin/org/koitharu/kotatsu/reader/domain/ChaptersLoader.kt

@@ -2,16 +2,10 @@ package org.koitharu.kotatsu.reader.domain
 
 import android.util.LongSparseArray
 import dagger.hilt.android.scopes.ViewModelScoped
-import kotlinx.coroutines.CoroutineScope
-import kotlinx.coroutines.flow.Flow
-import kotlinx.coroutines.flow.MutableStateFlow
-import kotlinx.coroutines.flow.firstOrNull
-import kotlinx.coroutines.flow.mapNotNull
-import kotlinx.coroutines.launch
 import kotlinx.coroutines.sync.Mutex
 import kotlinx.coroutines.sync.withLock
 import org.koitharu.kotatsu.core.parser.MangaRepository
-import org.koitharu.kotatsu.details.domain.model.DoubleManga
+import org.koitharu.kotatsu.details.data.MangaDetails
 import org.koitharu.kotatsu.parsers.model.MangaChapter
 import org.koitharu.kotatsu.reader.ui.pager.ReaderPage
 import javax.inject.Inject
@@ -23,32 +17,24 @@ class ChaptersLoader @Inject constructor(
 	private val mangaRepositoryFactory: MangaRepository.Factory,
 ) {
 
-	private val chapters = MutableStateFlow(LongSparseArray<MangaChapter>(0))
+	private val chapters = LongSparseArray<MangaChapter>()
 	private val chapterPages = ChapterPages()
 	private val mutex = Mutex()
 
-	val size: Int // TODO flow
-		get() = chapters.value.size()
+	val size: Int
+		get() = chapters.size()
 
-	fun init(scope: CoroutineScope, manga: Flow<DoubleManga>) = scope.launch {
-		manga.collect {
-			val ch = it.chapters.orEmpty()
-			val longSparseArray = LongSparseArray<MangaChapter>(ch.size)
-			ch.forEach { x -> longSparseArray.put(x.id, x) }
-			mutex.withLock {
-				chapters.value = longSparseArray
-			}
+	suspend fun init(manga: MangaDetails) = mutex.withLock {
+		chapters.clear()
+		manga.allChapters.forEach {
+			chapters.put(it.id, it)
 		}
 	}
 
-	suspend fun loadPrevNextChapter(manga: DoubleManga, currentId: Long, isNext: Boolean) {
-		val chapters = manga.chapters ?: return
+	suspend fun loadPrevNextChapter(manga: MangaDetails, currentId: Long, isNext: Boolean) {
+		val chapters = manga.allChapters
 		val predicate: (MangaChapter) -> Boolean = { it.id == currentId }
-		val index = if (isNext) {
-			chapters.indexOfFirst(predicate)
-		} else {
-			chapters.indexOfLast(predicate)
-		}
+		val index = if (isNext) chapters.indexOfFirst(predicate) else chapters.indexOfLast(predicate)
 		if (index == -1) return
 		val newChapter = chapters.getOrNull(if (isNext) index + 1 else index - 1) ?: return
 		val newPages = loadChapter(newChapter.id)
@@ -79,11 +65,7 @@ class ChaptersLoader @Inject constructor(
 		}
 	}
 
-	fun peekChapter(chapterId: Long): MangaChapter? = chapters.value[chapterId]
-
-	suspend fun awaitChapter(chapterId: Long): MangaChapter? = chapters.mapNotNull { x ->
-		x[chapterId]
-	}.firstOrNull()
+	fun peekChapter(chapterId: Long): MangaChapter? = chapters[chapterId]
 
 	fun getPages(chapterId: Long): List<ReaderPage> {
 		return chapterPages.subList(chapterId)
@@ -100,7 +82,7 @@ class ChaptersLoader @Inject constructor(
 	fun snapshot() = chapterPages.toList()
 
 	private suspend fun loadChapter(chapterId: Long): List<ReaderPage> {
-		val chapter = checkNotNull(awaitChapter(chapterId)) { "Requested chapter not found" }
+		val chapter = checkNotNull(chapters[chapterId]) { "Requested chapter not found" }
 		val repo = mangaRepositoryFactory.create(chapter.source)
 		return repo.getPages(chapter).mapIndexed { index, page ->
 			ReaderPage(page, index, chapterId)

app/src/main/kotlin/org/koitharu/kotatsu/reader/ui/ChaptersSheet.kt

@@ -33,13 +33,11 @@ class ChaptersSheet : BaseAdaptiveSheet<SheetChaptersBinding>(),
 	override fun onCreateViewBinding(
 		inflater: LayoutInflater,
 		container: ViewGroup?,
-	): SheetChaptersBinding {
-		return SheetChaptersBinding.inflate(inflater, container, false)
-	}
+	) = SheetChaptersBinding.inflate(inflater, container, false)
 
 	override fun onViewBindingCreated(binding: SheetChaptersBinding, savedInstanceState: Bundle?) {
 		super.onViewBindingCreated(binding, savedInstanceState)
-		val chapters = viewModel.manga?.chapters
+		val chapters = viewModel.manga?.allChapters
 		if (chapters.isNullOrEmpty()) {
 			dismissAllowingStateLoss()
 			return
@@ -61,7 +59,7 @@ class ChaptersSheet : BaseAdaptiveSheet<SheetChaptersBinding>(),
 				val offset =
 					(resources.getDimensionPixelSize(R.dimen.chapter_list_item_height) * 0.6).roundToInt()
 				adapter.setItems(
-					items, RecyclerViewScrollCallback(binding.recyclerView, targetPosition, offset)
+					items, RecyclerViewScrollCallback(binding.recyclerView, targetPosition, offset),
 				)
 			} else {
 				adapter.items = items

app/src/main/kotlin/org/koitharu/kotatsu/reader/ui/ReaderActivity.kt

@@ -189,7 +189,7 @@ class ReaderActivity :
 				val state = viewModel.getCurrentState() ?: return false
 				PagesThumbnailsSheet.show(
 					supportFragmentManager,
-					viewModel.manga?.any ?: return false,
+					viewModel.manga?.toManga() ?: return false,
 					state.chapterId,
 					state.page,
 				)

app/src/main/kotlin/org/koitharu/kotatsu/reader/ui/ReaderViewModel.kt

@@ -44,12 +44,11 @@ import org.koitharu.kotatsu.core.util.ext.call
 import org.koitharu.kotatsu.core.util.ext.ifNullOrEmpty
 import org.koitharu.kotatsu.core.util.ext.printStackTraceDebug
 import org.koitharu.kotatsu.core.util.ext.requireValue
-import org.koitharu.kotatsu.details.domain.DoubleMangaLoadUseCase
-import org.koitharu.kotatsu.details.domain.model.DoubleManga
+import org.koitharu.kotatsu.details.data.MangaDetails
+import org.koitharu.kotatsu.details.domain.DetailsLoadUseCase
 import org.koitharu.kotatsu.history.data.HistoryRepository
 import org.koitharu.kotatsu.history.data.PROGRESS_NONE
 import org.koitharu.kotatsu.history.domain.HistoryUpdateUseCase
-import org.koitharu.kotatsu.parsers.exception.NotFoundException
 import org.koitharu.kotatsu.parsers.model.Manga
 import org.koitharu.kotatsu.parsers.model.MangaPage
 import org.koitharu.kotatsu.reader.domain.ChaptersLoader
@@ -74,7 +73,7 @@ class ReaderViewModel @Inject constructor(
 	private val pageLoader: PageLoader,
 	private val chaptersLoader: ChaptersLoader,
 	private val appShortcutManager: AppShortcutManager,
-	private val doubleMangaLoadUseCase: DoubleMangaLoadUseCase,
+	private val detailsLoadUseCase: DetailsLoadUseCase,
 	private val historyUpdateUseCase: HistoryUpdateUseCase,
 	private val detectReaderModeUseCase: DetectReaderModeUseCase,
 ) : BaseViewModel() {
@@ -88,9 +87,9 @@ class ReaderViewModel @Inject constructor(
 	private var bookmarkJob: Job? = null
 	private var stateChangeJob: Job? = null
 	private val currentState = MutableStateFlow<ReaderState?>(savedStateHandle[ReaderActivity.EXTRA_STATE])
-	private val mangaData = MutableStateFlow(intent.manga?.let { DoubleManga(it) })
+	private val mangaData = MutableStateFlow(intent.manga?.let { MangaDetails(it, null, null, false) })
 	private val mangaFlow: Flow<Manga?>
-		get() = mangaData.map { it?.any }
+		get() = mangaData.map { it?.toManga() }
 
 	val readerMode = MutableStateFlow<ReaderMode?>(null)
 	val onPageSaved = MutableEventFlow<Uri?>()
@@ -98,7 +97,7 @@ class ReaderViewModel @Inject constructor(
 	val uiState = MutableStateFlow<ReaderUiState?>(null)
 
 	val content = MutableStateFlow(ReaderContent(emptyList(), null))
-	val manga: DoubleManga?
+	val manga: MangaDetails?
 		get() = mangaData.value
 
 	val pageAnimation = settings.observeAsStateFlow(
@@ -148,7 +147,7 @@ class ReaderViewModel @Inject constructor(
 	}.stateIn(viewModelScope + Dispatchers.Default, SharingStarted.Lazily, false)
 
 	val isBookmarkAdded = currentState.flatMapLatest { state ->
-		val manga = mangaData.value?.any
+		val manga = mangaData.value?.toManga()
 		if (state == null || manga == null) {
 			flowOf(false)
 		} else {
@@ -178,7 +177,7 @@ class ReaderViewModel @Inject constructor(
 
 	fun switchMode(newMode: ReaderMode) {
 		launchJob {
-			val manga = checkNotNull(mangaData.value?.any)
+			val manga = checkNotNull(mangaData.value?.toManga())
 			dataRepository.saveReaderMode(
 				manga = manga,
 				mode = newMode,
@@ -199,7 +198,7 @@ class ReaderViewModel @Inject constructor(
 		}
 		val readerState = state ?: currentState.value ?: return
 		historyUpdateUseCase.invokeAsync(
-			manga = mangaData.value?.any ?: return,
+			manga = mangaData.value?.toManga() ?: return,
 			readerState = readerState,
 			percent = computePercent(readerState.chapterId, readerState.page),
 		)
@@ -295,7 +294,7 @@ class ReaderViewModel @Inject constructor(
 			val state = checkNotNull(currentState.value)
 			val page = checkNotNull(getCurrentPage()) { "Page not found" }
 			val bookmark = Bookmark(
-				manga = checkNotNull(mangaData.value?.any),
+				manga = mangaData.requireValue().toManga(),
 				pageId = page.id,
 				chapterId = state.chapterId,
 				page = state.page,
@@ -315,7 +314,7 @@ class ReaderViewModel @Inject constructor(
 		}
 		bookmarkJob = launchJob {
 			loadingJob?.join()
-			val manga = checkNotNull(mangaData.value?.any)
+			val manga = mangaData.requireValue().toManga()
 			val state = checkNotNull(getCurrentState())
 			bookmarksRepository.removeBookmark(manga.id, state.chapterId, state.page)
 			onShowToast.call(R.string.bookmark_removed)
@@ -324,25 +323,19 @@ class ReaderViewModel @Inject constructor(
 
 	private fun loadImpl() {
 		loadingJob = launchLoadingJob(Dispatchers.Default) {
-			var manga = DoubleManga(
-				dataRepository.resolveIntent(intent)
-					?: throw NotFoundException("Cannot find manga", ""),
-			)
-			mangaData.value = manga
-			val mangaFlow = doubleMangaLoadUseCase(intent)
-			manga = mangaFlow.first { x -> x.any != null }
-			chaptersLoader.init(viewModelScope, mangaFlow.withErrorHandling())
-			// determine mode
-			val singleManga = manga.requireAny()
+			val details = detailsLoadUseCase.invoke(intent).first { x -> x.isLoaded }
+			mangaData.value = details
+			chaptersLoader.init(details)
+			val manga = details.toManga()
 			// obtain state
 			if (currentState.value == null) {
-				currentState.value = historyRepository.getOne(singleManga)?.let {
+				currentState.value = historyRepository.getOne(manga)?.let {
 					ReaderState(it)
-				} ?: ReaderState(singleManga, preselectedBranch)
+				} ?: ReaderState(manga, preselectedBranch)
 			}
-			val mode = detectReaderModeUseCase.invoke(singleManga, currentState.value)
-			val branch = chaptersLoader.awaitChapter(currentState.value?.chapterId ?: 0L)?.branch
-			mangaData.value = manga.filterChapters(branch)
+			val mode = detectReaderModeUseCase.invoke(manga, currentState.value)
+			val branch = chaptersLoader.peekChapter(currentState.value?.chapterId ?: 0L)?.branch
+			mangaData.value = details.filterChapters(branch)
 			readerMode.value = mode
 
 			chaptersLoader.loadSingleChapter(requireNotNull(currentState.value).chapterId)
@@ -350,7 +343,7 @@ class ReaderViewModel @Inject constructor(
 			if (!isIncognito) {
 				currentState.value?.let {
 					val percent = computePercent(it.chapterId, it.page)
-					historyUpdateUseCase.invoke(singleManga, it, percent)
+					historyUpdateUseCase.invoke(manga, it, percent)
 				}
 			}
 			notifyStateChanged()
@@ -383,11 +376,11 @@ class ReaderViewModel @Inject constructor(
 		val state = getCurrentState()
 		val chapter = state?.chapterId?.let { chaptersLoader.peekChapter(it) }
 		val newState = ReaderUiState(
-			mangaName = manga?.any?.title,
+			mangaName = manga?.toManga()?.title,
 			branch = chapter?.branch,
 			chapterName = chapter?.name,
 			chapterNumber = chapter?.number ?: 0,
-			chaptersTotal = manga?.any?.getChapters(chapter?.branch)?.size ?: 0,
+			chaptersTotal = manga?.chapters?.get(chapter?.branch)?.size ?: 0,
 			totalPages = if (chapter != null) chaptersLoader.getPagesCount(chapter.id) else 0,
 			currentPage = state?.page ?: 0,
 			isSliderEnabled = settings.isReaderSliderEnabled,
@@ -398,7 +391,7 @@ class ReaderViewModel @Inject constructor(
 
 	private fun computePercent(chapterId: Long, pageIndex: Int): Float {
 		val branch = chaptersLoader.peekChapter(chapterId)?.branch
-		val chapters = manga?.any?.getChapters(branch) ?: return PROGRESS_NONE
+		val chapters = manga?.chapters?.get(branch) ?: return PROGRESS_NONE
 		val chaptersCount = chapters.size
 		val chapterIndex = chapters.indexOfFirst { x -> x.id == chapterId }
 		val pagesCount = chaptersLoader.getPagesCount(chapterId)

app/src/main/kotlin/org/koitharu/kotatsu/reader/ui/colorfilter/ColorFilterConfigActivity.kt

@@ -3,6 +3,7 @@ package org.koitharu.kotatsu.reader.ui.colorfilter
 import android.content.Context
 import android.content.Intent
 import android.content.res.Resources
+import android.graphics.Bitmap
 import android.os.Bundle
 import android.view.View
 import android.view.ViewGroup
@@ -121,10 +122,10 @@ class ColorFilterConfigActivity :
 			.scale(Scale.FILL)
 			.decodeRegion()
 			.tag(page.source)
+			.bitmapConfig(if (viewModel.is32BitColorsEnabled) Bitmap.Config.ARGB_8888 else Bitmap.Config.RGB_565)
 			.indicator(listOf(viewBinding.progressBefore, viewBinding.progressAfter))
 			.error(R.drawable.ic_error_placeholder)
 			.size(ViewSizeResolver(viewBinding.imageViewBefore))
-			.allowRgb565(false)
 			.target(DoubleViewTarget(viewBinding.imageViewBefore, viewBinding.imageViewAfter))
 			.enqueueWith(coil)
 	}

app/src/main/kotlin/org/koitharu/kotatsu/reader/ui/colorfilter/ColorFilterConfigViewModel.kt

@@ -7,6 +7,7 @@ import kotlinx.coroutines.flow.MutableStateFlow
 import org.koitharu.kotatsu.core.model.parcelable.ParcelableManga
 import org.koitharu.kotatsu.core.model.parcelable.ParcelableMangaPage
 import org.koitharu.kotatsu.core.parser.MangaDataRepository
+import org.koitharu.kotatsu.core.prefs.AppSettings
 import org.koitharu.kotatsu.core.ui.BaseViewModel
 import org.koitharu.kotatsu.core.util.ext.MutableEventFlow
 import org.koitharu.kotatsu.core.util.ext.call
@@ -18,6 +19,7 @@ import javax.inject.Inject
 @HiltViewModel
 class ColorFilterConfigViewModel @Inject constructor(
 	savedStateHandle: SavedStateHandle,
+	private val settings: AppSettings,
 	private val mangaDataRepository: MangaDataRepository,
 ) : BaseViewModel() {
 
@@ -31,6 +33,9 @@ class ColorFilterConfigViewModel @Inject constructor(
 	val isChanged: Boolean
 		get() = colorFilter.value != initialColorFilter
 
+	val is32BitColorsEnabled: Boolean
+		get() = settings.is32BitColorsEnabled
+
 	init {
 		launchLoadingJob {
 			initialColorFilter = mangaDataRepository.getColorFilter(manga.id)

app/src/main/kotlin/org/koitharu/kotatsu/reader/ui/config/ReaderConfigSheet.kt

@@ -118,7 +118,7 @@ class ReaderConfigSheet :
 
 			R.id.button_color_filter -> {
 				val page = viewModel.getCurrentPage() ?: return
-				val manga = viewModel.manga?.any ?: return
+				val manga = viewModel.manga?.toManga() ?: return
 				startActivity(ColorFilterConfigActivity.newIntent(v.context, manga, page))
 			}
 		}

app/src/main/kotlin/org/koitharu/kotatsu/reader/ui/config/ReaderSettings.kt

@@ -1,8 +1,14 @@
 package org.koitharu.kotatsu.reader.ui.config
 
 import android.content.SharedPreferences
+import android.graphics.Bitmap
 import android.view.View
+import androidx.annotation.CheckResult
 import androidx.lifecycle.MediatorLiveData
+import com.davemorrissey.labs.subscaleview.SubsamplingScaleImageView
+import com.davemorrissey.labs.subscaleview.decoder.SkiaImageDecoder
+import com.davemorrissey.labs.subscaleview.decoder.SkiaImageRegionDecoder
+import com.davemorrissey.labs.subscaleview.decoder.SkiaPooledImageRegionDecoder
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.Job
@@ -12,6 +18,7 @@ import kotlinx.coroutines.launch
 import kotlinx.coroutines.withContext
 import org.koitharu.kotatsu.core.model.ZoomMode
 import org.koitharu.kotatsu.core.prefs.AppSettings
+import org.koitharu.kotatsu.core.util.ext.isLowRamDevice
 import org.koitharu.kotatsu.reader.domain.ReaderColorFilter
 
 class ReaderSettings(
@@ -29,6 +36,13 @@ class ReaderSettings(
 	val colorFilter: ReaderColorFilter?
 		get() = colorFilterFlow.value?.takeUnless { it.isEmpty }
 
+	val bitmapConfig: Bitmap.Config
+		get() = if (settings.is32BitColorsEnabled) {
+			Bitmap.Config.ARGB_8888
+		} else {
+			Bitmap.Config.RGB_565
+		}
+
 	val isPagesNumbersEnabled: Boolean
 		get() = settings.isPagesNumbersEnabled
 
@@ -40,6 +54,22 @@ class ReaderSettings(
 		view.background = bg.resolve(view.context)
 	}
 
+	@CheckResult
+	fun applyBitmapConfig(ssiv: SubsamplingScaleImageView): Boolean {
+		val config = bitmapConfig
+		return if (ssiv.regionDecoderFactory.bitmapConfig != config) {
+			ssiv.regionDecoderFactory = if (ssiv.context.isLowRamDevice()) {
+				SkiaImageRegionDecoder.Factory(config)
+			} else {
+				SkiaPooledImageRegionDecoder.Factory(config)
+			}
+			ssiv.bitmapDecoderFactory = SkiaImageDecoder.Factory(config)
+			true
+		} else {
+			false
+		}
+	}
+
 	override fun onInactive() {
 		super.onInactive()
 		settings.unsubscribe(internalObserver)
@@ -78,7 +108,8 @@ class ReaderSettings(
 				key == AppSettings.KEY_PAGES_NUMBERS ||
 				key == AppSettings.KEY_WEBTOON_ZOOM ||
 				key == AppSettings.KEY_READER_ZOOM_BUTTONS ||
-				key == AppSettings.KEY_READER_BACKGROUND
+				key == AppSettings.KEY_READER_BACKGROUND ||
+				key == AppSettings.KEY_32BIT_COLOR
 			) {
 				notifyChanged()
 			}

app/src/main/kotlin/org/koitharu/kotatsu/reader/ui/pager/PageHolderDelegate.kt

@@ -84,6 +84,14 @@ class PageHolderDelegate(
 		job?.cancel()
 	}
 
+	fun reload() {
+		if (state == State.SHOWN ) {
+			file?.let {
+				callback.onImageReady(it.toUri())
+			}
+		}
+	}
+
 	override fun onReady() {
 		state = State.SHOWING
 		error = null

app/src/main/kotlin/org/koitharu/kotatsu/reader/ui/pager/standard/PageHolder.kt

@@ -46,6 +46,10 @@ open class PageHolder(
 	override fun onConfigChanged() {
 		super.onConfigChanged()
 		binding.zoomControl.isVisible = settings.isZoomControlsEnabled
+		@Suppress("SENSELESS_COMPARISON")
+		if (settings.applyBitmapConfig(binding.ssiv) && delegate != null) {
+			delegate.reload()
+		}
 	}
 
 	@SuppressLint("SetTextI18n")

app/src/main/kotlin/org/koitharu/kotatsu/reader/ui/pager/webtoon/WebtoonHolder.kt

@@ -6,7 +6,6 @@ import androidx.core.view.isVisible
 import androidx.lifecycle.LifecycleOwner
 import com.davemorrissey.labs.subscaleview.ImageSource
 import com.davemorrissey.labs.subscaleview.SubsamplingScaleImageView
-import com.davemorrissey.labs.subscaleview.decoder.SkiaPooledImageRegionDecoder
 import org.koitharu.kotatsu.R
 import org.koitharu.kotatsu.core.exceptions.resolve.ExceptionResolver
 import org.koitharu.kotatsu.core.os.NetworkState
@@ -34,12 +33,19 @@ class WebtoonHolder(
 
 	init {
 		binding.ssiv.bindToLifecycle(owner)
-		binding.ssiv.regionDecoderFactory = SkiaPooledImageRegionDecoder.Factory()
 		binding.ssiv.addOnImageEventListener(delegate)
 		bindingInfo.buttonRetry.setOnClickListener(this)
 		bindingInfo.buttonErrorDetails.setOnClickListener(this)
 	}
 
+	override fun onConfigChanged() {
+		super.onConfigChanged()
+		@Suppress("SENSELESS_COMPARISON")
+		if (settings.applyBitmapConfig(binding.ssiv) && delegate != null) {
+			delegate.reload()
+		}
+	}
+
 	override fun onBind(data: ReaderPage) {
 		delegate.onBind(data.toMangaPage())
 	}

app/src/main/kotlin/org/koitharu/kotatsu/reader/ui/thumbnails/PagesThumbnailsViewModel.kt

@@ -7,17 +7,17 @@ import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.Job
 import kotlinx.coroutines.flow.MutableStateFlow
 import kotlinx.coroutines.flow.SharingStarted
-import kotlinx.coroutines.flow.filterNotNull
 import kotlinx.coroutines.flow.first
 import kotlinx.coroutines.flow.map
 import kotlinx.coroutines.flow.stateIn
 import org.koitharu.kotatsu.core.model.findById
 import org.koitharu.kotatsu.core.model.parcelable.ParcelableManga
+import org.koitharu.kotatsu.core.parser.MangaIntent
 import org.koitharu.kotatsu.core.parser.MangaRepository
 import org.koitharu.kotatsu.core.ui.BaseViewModel
 import org.koitharu.kotatsu.core.util.ext.firstNotNull
 import org.koitharu.kotatsu.core.util.ext.require
-import org.koitharu.kotatsu.details.domain.DoubleMangaLoadUseCase
+import org.koitharu.kotatsu.details.domain.DetailsLoadUseCase
 import org.koitharu.kotatsu.list.ui.model.ListHeader
 import org.koitharu.kotatsu.list.ui.model.ListModel
 import org.koitharu.kotatsu.reader.domain.ChaptersLoader
@@ -28,7 +28,7 @@ class PagesThumbnailsViewModel @Inject constructor(
 	savedStateHandle: SavedStateHandle,
 	mangaRepositoryFactory: MangaRepository.Factory,
 	private val chaptersLoader: ChaptersLoader,
-	doubleMangaLoadUseCase: DoubleMangaLoadUseCase,
+	detailsLoadUseCase: DetailsLoadUseCase,
 ) : BaseViewModel() {
 
 	private val currentPageIndex: Int =
@@ -37,7 +37,7 @@ class PagesThumbnailsViewModel @Inject constructor(
 	val manga = savedStateHandle.require<ParcelableManga>(PagesThumbnailsSheet.ARG_MANGA).manga
 
 	private val repository = mangaRepositoryFactory.create(manga.source)
-	private val mangaDetails = doubleMangaLoadUseCase(manga).map {
+	private val mangaDetails = detailsLoadUseCase(MangaIntent.of(manga)).map {
 		val b = manga.chapters?.findById(initialChapterId)?.branch
 		branch.value = b
 		it.filterChapters(b)
@@ -52,8 +52,7 @@ class PagesThumbnailsViewModel @Inject constructor(
 
 	init {
 		loadingJob = launchLoadingJob(Dispatchers.Default) {
-			chaptersLoader.init(viewModelScope, mangaDetails.filterNotNull())
-			mangaDetails.first { x -> x?.hasChapter(initialChapterId) == true }
+			chaptersLoader.init(checkNotNull(mangaDetails.first { x -> x?.isLoaded == true }))
 			chaptersLoader.loadSingleChapter(initialChapterId)
 			updateList()
 		}
@@ -79,13 +78,13 @@ class PagesThumbnailsViewModel @Inject constructor(
 		updateList()
 	}
 
-	private suspend fun updateList() {
+	private fun updateList() {
 		val snapshot = chaptersLoader.snapshot()
 		val pages = buildList(snapshot.size + chaptersLoader.size + 2) {
 			var previousChapterId = 0L
 			for (page in snapshot) {
 				if (page.chapterId != previousChapterId) {
-					chaptersLoader.awaitChapter(page.chapterId)?.let {
+					chaptersLoader.peekChapter(page.chapterId)?.let {
 						add(ListHeader(it.name))
 					}
 					previousChapterId = page.chapterId

app/src/main/kotlin/org/koitharu/kotatsu/remotelist/ui/RemoteListViewModel.kt

@@ -18,6 +18,7 @@ import kotlinx.coroutines.flow.onEach
 import kotlinx.coroutines.flow.stateIn
 import kotlinx.coroutines.plus
 import org.koitharu.kotatsu.R
+import org.koitharu.kotatsu.core.model.distinctById
 import org.koitharu.kotatsu.core.parser.MangaRepository
 import org.koitharu.kotatsu.core.prefs.AppSettings
 import org.koitharu.kotatsu.core.util.ext.MutableEventFlow
@@ -67,7 +68,7 @@ open class RemoteListViewModel @Inject constructor(
 	private var randomJob: Job? = null
 
 	override val content = combine(
-		mangaList.map { it?.skipNsfwIfNeeded() },
+		mangaList.map { it?.distinctById()?.skipNsfwIfNeeded() },
 		listMode,
 		listError,
 		hasNextPage,
@@ -138,7 +139,7 @@ open class RemoteListViewModel @Inject constructor(
 				} else if (list.isNotEmpty()) {
 					mangaList.value = mangaList.value?.plus(list) ?: list
 				}
-				hasNextPage.value = list.isNotEmpty()
+				hasNextPage.value = list.isNotEmpty() // TODO check if new ids added
 			} catch (e: CancellationException) {
 				throw e
 			} catch (e: Throwable) {

app/src/main/kotlin/org/koitharu/kotatsu/suggestions/ui/SuggestionsViewModel.kt

@@ -11,6 +11,7 @@ import kotlinx.coroutines.flow.stateIn
 import kotlinx.coroutines.plus
 import org.koitharu.kotatsu.R
 import org.koitharu.kotatsu.core.prefs.AppSettings
+import org.koitharu.kotatsu.core.prefs.observeAsFlow
 import org.koitharu.kotatsu.core.util.ext.onFirst
 import org.koitharu.kotatsu.download.ui.worker.DownloadWorker
 import org.koitharu.kotatsu.list.domain.ListExtraProvider
@@ -31,6 +32,9 @@ class SuggestionsViewModel @Inject constructor(
 	private val suggestionsScheduler: SuggestionsWorker.Scheduler,
 ) : MangaListViewModel(settings, downloadScheduler) {
 
+	override val listMode = settings.observeAsFlow(AppSettings.KEY_LIST_MODE_SUGGESTIONS) { suggestionsListMode }
+		.stateIn(viewModelScope + Dispatchers.Default, SharingStarted.Eagerly, settings.suggestionsListMode)
+
 	override val content = combine(
 		repository.observeAll(),
 		listMode,

app/src/main/res/color-v23/dim_statusbar.xml

@@ -1,4 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<selector xmlns:android="http://schemas.android.com/apk/res/android">
-	<item android:alpha="0.6" android:color="?android:colorBackground" />
-</selector>

app/src/main/res/color/dim_statusbar.xml

@@ -1,4 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<selector xmlns:android="http://schemas.android.com/apk/res/android">
-	<item android:alpha="0.6" android:color="@android:color/black" />
-</selector>

app/src/main/res/color/navigation_bar_scrim.xml

@@ -1,4 +1,4 @@
 <?xml version="1.0" encoding="utf-8"?>
 <selector xmlns:android="http://schemas.android.com/apk/res/android">
-	<item android:alpha="0.7" android:color="?attr/m3ColorBackground" />
+	<item android:alpha="0.7" android:color="?attr/m3ColorBottomMenuBackground" />
 </selector>

app/src/main/res/drawable-v23/toolbar_background.xml

@@ -1,18 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
-	<!-- Fills the entire area with the divider's color first... -->
-	<item>
-		<shape
-			android:shape="rectangle">
-			<solid android:color="?attr/colorOutline"/>
-		</shape>
-	</item>
-	<!-- ..., then draws a rectangle with the container color to cover the area not for the divider. -->
-	<item
-		android:bottom="1dp">
-		<shape
-			android:shape="rectangle">
-			<solid android:color="?attr/m3ColorBackground"/>
-		</shape>
-	</item>
-</layer-list>

app/src/main/res/drawable/ic_list_group.xml

@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="utf-8"?>
+<vector
+	xmlns:android="http://schemas.android.com/apk/res/android"
+	android:width="24dp"
+	android:height="24dp"
+	android:tint="?colorControlNormal"
+	android:viewportWidth="24"
+	android:viewportHeight="24">
+	<path
+		android:fillColor="#000000"
+		android:pathData="M5 5V19H7V21H3V3H7V5H5M20 7H7V9H20V7M20 11H7V13H20V11M20 15H7V17H20V15Z" />
+</vector>

app/src/main/res/drawable/toolbar_background.xml

@@ -1,18 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
-	<!-- Fills the entire area with the divider's color first... -->
-	<item>
-		<shape
-			android:shape="rectangle">
-			<solid android:color="@color/kotatsu_primaryContainer"/>
-		</shape>
-	</item>
-	<!-- ..., then draws a rectangle with the container color to cover the area not for the divider. -->
-	<item
-		android:bottom="1dp">
-		<shape
-			android:shape="rectangle">
-			<solid android:color="@color/kotatsu_m3_background"/>
-		</shape>
-	</item>
-</layer-list>

app/src/main/res/layout/activity_details.xml

@@ -21,7 +21,6 @@
 			android:id="@id/toolbar"
 			android:layout_width="match_parent"
 			android:layout_height="?attr/actionBarSize"
-			android:background="@drawable/toolbar_background"
 			android:theme="?attr/actionBarTheme"
 			app:layout_scrollFlags="noScroll"
 			tools:ignore="PrivateResource" />

app/src/main/res/layout/fragment_details.xml

@@ -7,6 +7,7 @@
 	android:layout_width="match_parent"
 	android:layout_height="match_parent"
 	android:clipToPadding="false"
+	android:scrollIndicators="top"
 	android:scrollbars="vertical"
 	app:layout_behavior="@string/appbar_scrolling_view_behavior">
 

app/src/main/res/layout/item_chapter_download.xml

@@ -0,0 +1,42 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout
+	xmlns:android="http://schemas.android.com/apk/res/android"
+	xmlns:app="http://schemas.android.com/apk/res-auto"
+	xmlns:tools="http://schemas.android.com/tools"
+	android:layout_width="match_parent"
+	android:layout_height="wrap_content"
+	android:baselineAligned="false"
+	android:gravity="center_vertical"
+	android:orientation="horizontal"
+	android:paddingVertical="4dp">
+
+	<TextView
+		android:id="@+id/textView_number"
+		android:layout_width="24dp"
+		android:layout_height="24dp"
+		android:layout_marginStart="?android:listPreferredItemPaddingStart"
+		android:background="@drawable/bg_badge_default"
+		android:ellipsize="none"
+		android:gravity="center"
+		android:singleLine="true"
+		android:textAlignment="center"
+		android:textColor="?attr/colorOnPrimary"
+		android:textSize="12sp"
+		tools:text="13" />
+
+	<TextView
+		android:id="@+id/textView_title"
+		android:layout_width="match_parent"
+		android:layout_height="wrap_content"
+		android:layout_marginStart="?android:listPreferredItemPaddingStart"
+		android:layout_marginEnd="?android:listPreferredItemPaddingEnd"
+		android:drawablePadding="4dp"
+		android:ellipsize="end"
+		android:gravity="center_vertical"
+		android:singleLine="true"
+		android:textAppearance="?attr/textAppearanceBodySmall"
+		app:drawableTint="?colorControlNormal"
+		tools:drawableEnd="@drawable/ic_check"
+		tools:text="@tools:sample/lorem[15]" />
+
+</LinearLayout>

app/src/main/res/layout/item_download.xml

@@ -8,6 +8,7 @@
 	android:layout_height="wrap_content">
 
 	<androidx.constraintlayout.widget.ConstraintLayout
+		android:id="@+id/constraintLayout"
 		android:layout_width="match_parent"
 		android:layout_height="match_parent"
 		android:paddingBottom="12dp">
@@ -24,7 +25,7 @@
 			app:shapeAppearanceOverlay="@style/ShapeAppearanceOverlay.Kotatsu.Cover.Medium"
 			tools:src="@tools:sample/backgrounds/scenic" />
 
-		<TextView
+		<CheckedTextView
 			android:id="@+id/textView_title"
 			android:layout_width="0dp"
 			android:layout_height="wrap_content"
@@ -32,11 +33,14 @@
 			android:layout_marginTop="12dp"
 			android:layout_marginEnd="12dp"
 			android:ellipsize="end"
+			android:gravity="center_vertical"
 			android:singleLine="true"
 			android:textAppearance="?attr/textAppearanceTitleSmall"
+			app:drawableTint="?android:colorControlNormal"
 			app:layout_constraintEnd_toEndOf="parent"
 			app:layout_constraintStart_toEndOf="@id/imageView_cover"
 			app:layout_constraintTop_toTopOf="parent"
+			tools:drawableEndCompat="@drawable/ic_expand_collapse"
 			tools:text="@tools:sample/lorem" />
 
 		<androidx.constraintlayout.widget.Barrier
@@ -100,6 +104,31 @@
 			app:layout_constraintTop_toBottomOf="@id/textView_status"
 			tools:text="@tools:sample/lorem[3]" />
 
+		<com.google.android.material.card.MaterialCardView
+			android:id="@+id/card_details"
+			android:layout_width="0dp"
+			android:layout_height="0dp"
+			android:layout_marginHorizontal="12dp"
+			android:layout_marginTop="12dp"
+			app:layout_constraintEnd_toEndOf="parent"
+			app:layout_constraintHeight_default="wrap"
+			app:layout_constraintHeight_max="280dp"
+			app:layout_constraintStart_toStartOf="parent"
+			app:layout_constraintTop_toBottomOf="@id/progressBar"
+			app:shapeAppearance="?shapeAppearanceCornerMedium">
+
+			<androidx.recyclerview.widget.RecyclerView
+				android:id="@+id/recyclerView_chapters"
+				android:layout_width="match_parent"
+				android:layout_height="match_parent"
+				android:orientation="vertical"
+				android:scrollbars="vertical"
+				app:layoutManager="androidx.recyclerview.widget.LinearLayoutManager"
+				tools:itemCount="200"
+				tools:listitem="@layout/item_chapter_download" />
+
+		</com.google.android.material.card.MaterialCardView>
+
 		<Button
 			android:id="@+id/button_pause"
 			style="?materialButtonOutlinedStyle"
@@ -110,7 +139,7 @@
 			android:text="@string/pause"
 			android:visibility="gone"
 			app:layout_constraintEnd_toStartOf="@id/button_resume"
-			app:layout_constraintTop_toBottomOf="@id/progressBar"
+			app:layout_constraintTop_toBottomOf="@id/card_details"
 			tools:visibility="visible" />
 
 		<Button
@@ -123,7 +152,7 @@
 			android:text="@string/resume"
 			android:visibility="gone"
 			app:layout_constraintEnd_toStartOf="@id/button_cancel"
-			app:layout_constraintTop_toBottomOf="@id/progressBar" />
+			app:layout_constraintTop_toBottomOf="@id/card_details" />
 
 		<Button
 			android:id="@+id/button_cancel"
@@ -135,7 +164,7 @@
 			android:text="@android:string/cancel"
 			android:visibility="gone"
 			app:layout_constraintEnd_toEndOf="parent"
-			app:layout_constraintTop_toBottomOf="@id/progressBar"
+			app:layout_constraintTop_toBottomOf="@id/card_details"
 			tools:visibility="visible" />
 
 	</androidx.constraintlayout.widget.ConstraintLayout>

app/src/main/res/layout/sheet_list_mode.xml

@@ -12,11 +12,13 @@
 		android:id="@+id/headerBar"
 		android:layout_width="match_parent"
 		android:layout_height="wrap_content"
-		app:title="@string/options" />
+		app:title="@string/list_options" />
 
 	<androidx.core.widget.NestedScrollView
 		android:layout_width="match_parent"
-		android:layout_height="wrap_content">
+		android:layout_height="wrap_content"
+		android:scrollIndicators="top"
+		android:scrollbars="vertical">
 
 		<LinearLayout
 			android:layout_width="match_parent"
@@ -97,6 +99,56 @@
 				tools:value="100"
 				tools:visibility="visible" />
 
+			<TextView
+				android:id="@+id/textView_order_title"
+				android:layout_width="match_parent"
+				android:layout_height="wrap_content"
+				android:layout_marginHorizontal="@dimen/margin_normal"
+				android:layout_marginTop="@dimen/margin_normal"
+				android:singleLine="true"
+				android:text="@string/sort_order"
+				android:textAppearance="?textAppearanceTitleSmall"
+				android:visibility="gone"
+				tools:visibility="visible" />
+
+			<com.google.android.material.card.MaterialCardView
+				android:id="@+id/card_order"
+				style="?materialCardViewOutlinedStyle"
+				android:layout_width="match_parent"
+				android:layout_height="wrap_content"
+				android:layout_marginHorizontal="16dp"
+				android:layout_marginTop="@dimen/margin_normal"
+				android:visibility="gone"
+				app:shapeAppearance="?shapeAppearanceCornerMedium"
+				app:strokeColor="@color/m3_button_outline_color_selector"
+				app:strokeWidth="@dimen/m3_comp_outlined_button_outline_width"
+				tools:visibility="visible">
+
+				<Spinner
+					android:id="@+id/spinner_order"
+					android:layout_width="match_parent"
+					android:layout_height="wrap_content"
+					android:minHeight="?listPreferredItemHeightSmall" />
+
+			</com.google.android.material.card.MaterialCardView>
+
+			<com.google.android.material.materialswitch.MaterialSwitch
+				android:id="@+id/switch_grouping"
+				android:layout_width="match_parent"
+				android:layout_height="?android:listPreferredItemHeightSmall"
+				android:layout_marginTop="@dimen/margin_normal"
+				android:drawablePadding="?android:listPreferredItemPaddingStart"
+				android:ellipsize="end"
+				android:paddingStart="?android:listPreferredItemPaddingStart"
+				android:paddingEnd="?android:listPreferredItemPaddingEnd"
+				android:singleLine="true"
+				android:text="@string/group"
+				android:textAppearance="?attr/textAppearanceButton"
+				android:textColor="?colorOnSurfaceVariant"
+				android:visibility="gone"
+				app:drawableStartCompat="@drawable/ic_list_group"
+				tools:visibility="visible" />
+
 		</LinearLayout>
 	</androidx.core.widget.NestedScrollView>
 </LinearLayout>

app/src/main/res/menu/opt_details.xml

@@ -43,6 +43,12 @@
 		android:title="@string/find_similar"
 		app:showAsAction="never" />
 
+	<item
+		android:id="@+id/action_online"
+		android:orderInCategory="50"
+		android:title="@string/online_variant"
+		app:showAsAction="never" />
+
 	<item
 		android:id="@+id/action_browser"
 		android:orderInCategory="50"

app/src/main/res/menu/opt_favourites.xml

@@ -2,22 +2,9 @@
 <menu
 	xmlns:android="http://schemas.android.com/apk/res/android">
 
-	<item
-		android:id="@+id/action_order"
-		android:orderInCategory="50"
-		android:title="@string/sort_order">
-
-		<menu>
-
-			<group android:id="@+id/group_order" />
-
-		</menu>
-
-	</item>
-
 	<item
 		android:id="@+id/action_edit"
-		android:orderInCategory="50"
+		android:orderInCategory="20"
 		android:title="@string/edit_category"
 		android:titleCondensed="@string/edit" />
 

app/src/main/res/menu/opt_favourites_container.xml

@@ -5,7 +5,7 @@
 	<item
 		android:id="@+id/action_manage"
 		android:orderInCategory="48"
-		android:title="@string/manage_categories"
-		android:titleCondensed="@string/manage" />
+		android:title="@string/favourites_categories"
+		android:titleCondensed="@string/categories" />
 
 </menu>

app/src/main/res/menu/opt_history.xml

@@ -3,27 +3,6 @@
 	xmlns:android="http://schemas.android.com/apk/res/android"
 	xmlns:app="http://schemas.android.com/apk/res-auto">
 
-	<item
-		android:id="@+id/action_order"
-		android:orderInCategory="25"
-		android:title="@string/sort_order">
-
-		<menu>
-
-			<group android:id="@+id/group_order" />
-
-		</menu>
-
-	</item>
-
-	<item
-		android:id="@+id/action_history_grouping"
-		android:checkable="true"
-		android:checked="true"
-		android:orderInCategory="25"
-		android:title="@string/group"
-		app:showAsAction="never" />
-
 	<item
 		android:id="@+id/action_clear_history"
 		android:orderInCategory="10"

app/src/main/res/menu/opt_list.xml

@@ -5,8 +5,8 @@
 
 	<item
 		android:id="@+id/action_list_mode"
-		android:orderInCategory="20"
-		android:title="@string/list_mode"
+		android:orderInCategory="40"
+		android:title="@string/list_options"
 		app:showAsAction="never" />
 
 </menu>

app/src/main/res/values-be/strings.xml

@@ -485,4 +485,13 @@
     <string name="zoom_out">Зменшыць</string>
     <string name="keep_screen_on">Трымаць экран уключаным</string>
     <string name="keep_screen_on_summary">Ня выключаць экран падчас чытання мангі</string>
+    <string name="state_abandoned">Кінута</string>
+    <string name="categories">Катэгорыі</string>
+    <string name="list_options">Параметры спісу</string>
+    <string name="suggest_new_sources">Прапаноўваць новыя крыніцы пасля абнаўлення праграмы</string>
+    <string name="enhanced_colors_summary">Памяншае паласы, але можа паўплываць на прадукцыйнасць</string>
+    <string name="by_relevance">Актуальнасць</string>
+    <string name="enhanced_colors">32-бітны каляровы рэжым</string>
+    <string name="suggest_new_sources_summary">Прапаноўваць крыніцы мангі, дададзеныя ў апошнім абнаўленні праграмы</string>
+    <string name="online_variant">Анлайн варыянт</string>
 </resources>

app/src/main/res/values-cs/strings.xml

@@ -65,7 +65,7 @@
     <string name="text_empty_holder_primary">Je tu nějak prázdno…</string>
     <string name="text_search_holder_secondary">Zkuste přeformulovat dotaz.</string>
     <string name="text_history_holder_primary">To co čtete se zobrazí zde</string>
-    <string name="text_history_holder_secondary">Zjistěte co číst na boční nabídce.</string>
+    <string name="text_history_holder_secondary">Co si přečíst, najdete v sekci «Prozkoumat»</string>
     <string name="text_shelf_holder_primary">Vaše manga bude zobrazena zde</string>
     <string name="text_shelf_holder_secondary">Zjistěte co číst v sekci «Prozkoumat»</string>
     <string name="text_local_holder_primary">Nejdříve něco uložte</string>
@@ -283,7 +283,7 @@
     <string name="language">Jazyk</string>
     <string name="share_logs">Sdílet záznamy</string>
     <string name="enable_logging">Zapnout zaznamenávání</string>
-    <string name="enable_logging_summary">Zaznamenat některé akce pro spravovací účely</string>
+    <string name="enable_logging_summary">Zaznamenejte některé akce pro účely ladění. Nezapínejte jej, pokud si nejste jisti, co děláte</string>
     <string name="show_suspicious_content">Zobrazovat podezřelý kontent</string>
     <string name="theme_name_dynamic">Dynamické</string>
     <string name="color_theme">Schéma barev</string>
@@ -299,7 +299,7 @@
     <string name="scrobbling_empty_hint">Pro sledování pokroku čtení, vyberte Menu → Sledovat na displeji detailů mangy.</string>
     <string name="services">Služby</string>
     <string name="allow_unstable_updates">Povolit nestabilní aktualizace</string>
-    <string name="allow_unstable_updates_summary">Navrhnout beta aktualizace této aplikace</string>
+    <string name="allow_unstable_updates_summary">Přijímat oznámení o nestabilních sestaveních</string>
     <string name="download_started">Stahování začalo</string>
     <string name="got_it">Mám to</string>
     <string name="sources_reorder_tip">Klikněte a přidržte na předmětu pro přeskupení</string>
@@ -314,7 +314,7 @@
     <string name="server_address">Adresa serveru</string>
     <string name="ignore_ssl_errors">Ignorovat SSL chyby</string>
     <string name="mirror_switching">Vybrat zrcadlo automaticky</string>
-    <string name="mirror_switching_summary">Automaticky prohodit doménu pro vzdálené zdroje při chybě pokud jsou zrcadla dostupná</string>
+    <string name="mirror_switching_summary">Automaticky přepínat domény pro zdroje manga při chybách, pokud jsou k dispozici zrcadla</string>
     <string name="pause">Pozastavit</string>
     <string name="resume">Vrátit</string>
     <string name="paused">Pozastaveno</string>
@@ -443,4 +443,5 @@
     <string name="webtoon_zoom_summary">Povolit přiblížení v gestu ve webtoon režimu</string>
     <string name="clear_source_cookies_summary">Vyčistit cookies pouze pro specifikované domény. Ve většině případech bude neplatná autorizace</string>
     <string name="download_option_manual_selection">Vyberte kapitoly manuálně</string>
+    <string name="description">Popis</string>
 </resources>

app/src/main/res/values-es/strings.xml

@@ -47,7 +47,7 @@
     <string name="dark">Oscuro</string>
     <string name="automatic">De acuerdo al sistema</string>
     <string name="pages">Páginas</string>
-    <string name="clear">Borrar</string>
+    <string name="clear">Limpiar</string>
     <string name="text_clear_history_prompt">Borrar todo el historial de lectura de forma permanente\?</string>
     <string name="remove">Eliminar</string>
     <string name="_s_deleted_from_local_storage">«%s» borrado del almacenamiento local</string>
@@ -485,4 +485,13 @@
     <string name="zoom_out">Alejar</string>
     <string name="keep_screen_on">Mantener pantalla encendida</string>
     <string name="keep_screen_on_summary">No apagues la pantalla mientras lees manga</string>
+    <string name="state_abandoned">Abandonó</string>
+    <string name="suggest_new_sources">Sugerir nuevas fuentes tras actualizar la aplicación</string>
+    <string name="enhanced_colors">Modo de color de 32 bits</string>
+    <string name="suggest_new_sources_summary">Solicitud para habilitar las nuevas fuentes añadidas tras actualizar la aplicación</string>
+    <string name="categories">Categorías</string>
+    <string name="list_options">Lista de opciones</string>
+    <string name="enhanced_colors_summary">Reduce el banding, pero puede afectar al rendimiento</string>
+    <string name="by_relevance">Relevancia</string>
+    <string name="online_variant">Variante en línea</string>
 </resources>