Draft double reader implementation

Currently translated at 100.0% (489 of 489 strings)

Co-authored-by: Eduardo Malaspina <vaio0@swismail.com>
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 = 573
+		versionCode = 584
-		versionName = '6.0'
+		versionName = '6.1.6'
 		generatedDensities = []
 		testInstrumentationRunner "org.koitharu.kotatsu.HiltTestRunner"
 		ksp {
@@ -81,7 +81,7 @@ afterEvaluate {
 }
 dependencies {
 	//noinspection GradleDependency
-	implementation('com.github.KotatsuApp:kotatsu-parsers:3a76504380') {
+	implementation('com.github.KotatsuApp:kotatsu-parsers:400a90464e') {
 		exclude group: 'org.json', module: 'json'
 	}
 
@@ -89,21 +89,21 @@ dependencies {
 	implementation 'org.jetbrains.kotlinx:kotlinx-coroutines-android:1.7.3'
 
 	implementation 'androidx.appcompat:appcompat:1.6.1'
-	implementation 'androidx.core:core-ktx:1.10.1'
+	implementation 'androidx.core:core-ktx:1.12.0'
-	implementation 'androidx.activity:activity-ktx:1.7.2'
+	implementation 'androidx.activity:activity-ktx:1.8.0'
 	implementation 'androidx.fragment:fragment-ktx:1.6.1'
-	implementation 'androidx.lifecycle:lifecycle-viewmodel-ktx:2.6.1'
+	implementation 'androidx.lifecycle:lifecycle-viewmodel-ktx:2.6.2'
-	implementation 'androidx.lifecycle:lifecycle-livedata-ktx:2.6.1'
+	implementation 'androidx.lifecycle:lifecycle-livedata-ktx:2.6.2'
-	implementation 'androidx.lifecycle:lifecycle-service:2.6.1'
+	implementation 'androidx.lifecycle:lifecycle-service:2.6.2'
-	implementation 'androidx.lifecycle:lifecycle-process:2.6.1'
+	implementation 'androidx.lifecycle:lifecycle-process:2.6.2'
 	implementation 'androidx.constraintlayout:constraintlayout:2.1.4'
 	implementation 'androidx.swiperefreshlayout:swiperefreshlayout:1.1.0'
 	implementation 'androidx.recyclerview:recyclerview:1.3.1'
 	implementation 'androidx.viewpager2:viewpager2:1.1.0-beta02'
 	implementation 'androidx.preference:preference-ktx:1.2.1'
 	implementation 'androidx.biometric:biometric-ktx:1.2.0-alpha05'
-	implementation 'com.google.android.material:material:1.9.0'
+	implementation 'com.google.android.material:material:1.10.0'
-	implementation 'androidx.lifecycle:lifecycle-common-java8:2.6.1'
+	implementation 'androidx.lifecycle:lifecycle-common-java8:2.6.2'
 
 	// TODO https://issuetracker.google.com/issues/254846063
 	implementation 'androidx.work:work-runtime-ktx:2.8.1'
@@ -120,24 +120,24 @@ dependencies {
 
 	implementation 'com.squareup.okhttp3:okhttp:4.11.0'
 	implementation 'com.squareup.okhttp3:okhttp-dnsoverhttps:4.11.0'
-	implementation 'com.squareup.okio:okio:3.5.0'
+	implementation 'com.squareup.okio:okio:3.6.0'
 
 	implementation 'com.hannesdorfmann:adapterdelegates4-kotlin-dsl:4.3.2'
 	implementation 'com.hannesdorfmann:adapterdelegates4-kotlin-dsl-viewbinding:4.3.2'
 
-	implementation 'com.google.dagger:hilt-android:2.47'
+	implementation 'com.google.dagger:hilt-android:2.48.1'
-	kapt 'com.google.dagger:hilt-compiler:2.47'
+	kapt 'com.google.dagger:hilt-compiler:2.48.1'
 	implementation 'androidx.hilt:hilt-work:1.0.0'
 	kapt 'androidx.hilt:hilt-compiler:1.0.0'
 
 	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:9b1d20be67'
+	implementation 'com.github.KotatsuApp:subsampling-scale-image-view:169806d928'
 	implementation 'com.github.solkin:disk-lru-cache:1.4'
 	implementation 'io.noties.markwon:core:4.6.2'
 
-	implementation 'ch.acra:acra-http:5.11.1'
+	implementation 'ch.acra:acra-http:5.11.2'
-	implementation 'ch.acra:acra-dialog:5.11.1'
+	implementation 'ch.acra:acra-dialog:5.11.2'
 
 	debugImplementation 'com.squareup.leakcanary:leakcanary-android:2.12'
 
@@ -155,6 +155,6 @@ dependencies {
 	androidTestImplementation 'androidx.room:room-testing:2.5.2'
 	androidTestImplementation 'com.squareup.moshi:moshi-kotlin:1.15.0'
 
-	androidTestImplementation 'com.google.dagger:hilt-android-testing:2.47'
+	androidTestImplementation 'com.google.dagger:hilt-android-testing:2.48.1'
-	kaptAndroidTest 'com.google.dagger:hilt-android-compiler:2.47'
+	kaptAndroidTest 'com.google.dagger:hilt-android-compiler:2.48.1'
 }

app/src/main/AndroidManifest.xml

@@ -19,6 +19,7 @@
 	<uses-permission android:name="android.permission.WRITE_SYNC_SETTINGS" />
 	<uses-permission android:name="android.permission.POST_NOTIFICATIONS" />
 	<uses-permission android:name="android.permission.FOREGROUND_SERVICE_DATA_SYNC" />
+	<uses-permission android:name="android.permission.REQUEST_INSTALL_PACKAGES" />
 	<uses-permission
 		android:name="android.permission.WRITE_EXTERNAL_STORAGE"
 		android:maxSdkVersion="29" />
@@ -95,7 +96,12 @@
 			android:label="@string/search" />
 		<activity
 			android:name="org.koitharu.kotatsu.search.ui.MangaListActivity"
-			android:label="@string/search_manga" />
+			android:exported="true"
+			android:label="@string/manga_list">
+			<intent-filter>
+				<action android:name="${applicationId}.action.EXPLORE_MANGA" />
+			</intent-filter>
+		</activity>
 		<activity
 			android:name="org.koitharu.kotatsu.history.ui.HistoryActivity"
 			android:label="@string/history" />
@@ -138,6 +144,7 @@
 			android:windowSoftInputMode="adjustResize" />
 		<activity
 			android:name="org.koitharu.kotatsu.browser.cloudflare.CloudFlareActivity"
+			android:autoRemoveFromRecents="true"
 			android:configChanges="orientation|screenSize|screenLayout|keyboardHidden"
 			android:windowSoftInputMode="adjustResize" />
 		<activity
@@ -148,13 +155,21 @@
 			android:name="org.koitharu.kotatsu.favourites.ui.categories.FavouriteCategoriesActivity"
 			android:label="@string/manage_categories" />
 		<activity
-			android:name="org.koitharu.kotatsu.widget.shelf.ShelfConfigActivity"
+			android:name="org.koitharu.kotatsu.widget.shelf.ShelfWidgetConfigActivity"
 			android:exported="true"
 			android:label="@string/manga_shelf">
 			<intent-filter>
 				<action android:name="android.appwidget.action.APPWIDGET_CONFIGURE" />
 			</intent-filter>
 		</activity>
+		<activity
+			android:name="org.koitharu.kotatsu.widget.recent.RecentWidgetConfigActivity"
+			android:exported="true"
+			android:label="@string/recent_manga">
+			<intent-filter>
+				<action android:name="android.appwidget.action.APPWIDGET_CONFIGURE" />
+			</intent-filter>
+		</activity>
 		<activity
 			android:name="org.koitharu.kotatsu.search.ui.multi.MultiSearchActivity"
 			android:label="@string/search" />
@@ -305,6 +320,13 @@
 				android:name="android.appwidget.provider"
 				android:resource="@xml/widget_recent" />
 		</receiver>
+		<receiver
+			android:name="org.koitharu.kotatsu.settings.about.UpdateDownloadReceiver"
+			android:exported="true">
+			<intent-filter>
+				<action android:name="android.intent.action.DOWNLOAD_COMPLETE" />
+			</intent-filter>
+		</receiver>
 
 		<meta-data
 			android:name="android.webkit.WebView.EnableSafeBrowsing"

app/src/main/kotlin/org/koitharu/kotatsu/bookmarks/ui/BookmarksFragment.kt

@@ -14,7 +14,6 @@ import androidx.core.view.updatePadding
 import androidx.fragment.app.viewModels
 import androidx.recyclerview.widget.GridLayoutManager
 import coil.ImageLoader
-import com.google.android.material.snackbar.Snackbar
 import dagger.hilt.android.AndroidEntryPoint
 import org.koitharu.kotatsu.R
 import org.koitharu.kotatsu.bookmarks.domain.Bookmark
@@ -25,8 +24,7 @@ import org.koitharu.kotatsu.core.ui.BaseFragment
 import org.koitharu.kotatsu.core.ui.list.ListSelectionController
 import org.koitharu.kotatsu.core.ui.list.OnListItemClickListener
 import org.koitharu.kotatsu.core.ui.list.fastscroll.FastScroller
-import org.koitharu.kotatsu.core.ui.util.ReversibleAction
+import org.koitharu.kotatsu.core.ui.util.ReversibleActionObserver
-import org.koitharu.kotatsu.core.ui.util.reverseAsync
 import org.koitharu.kotatsu.core.util.ext.observe
 import org.koitharu.kotatsu.core.util.ext.observeEvent
 import org.koitharu.kotatsu.databinding.FragmentListSimpleBinding
@@ -38,7 +36,6 @@ import org.koitharu.kotatsu.list.ui.adapter.ListStateHolderListener
 import org.koitharu.kotatsu.list.ui.adapter.TypedListSpacingDecoration
 import org.koitharu.kotatsu.list.ui.model.ListHeader
 import org.koitharu.kotatsu.main.ui.owners.AppBarOwner
-import org.koitharu.kotatsu.main.ui.owners.SnackbarOwner
 import org.koitharu.kotatsu.parsers.model.Manga
 import org.koitharu.kotatsu.reader.ui.ReaderActivity
 import javax.inject.Inject
@@ -61,11 +58,17 @@ class BookmarksFragment :
 	private var bookmarksAdapter: BookmarksAdapter? = null
 	private var selectionController: ListSelectionController? = null
 
-	override fun onCreateViewBinding(inflater: LayoutInflater, container: ViewGroup?): FragmentListSimpleBinding {
+	override fun onCreateViewBinding(
+		inflater: LayoutInflater,
+		container: ViewGroup?,
+	): FragmentListSimpleBinding {
 		return FragmentListSimpleBinding.inflate(inflater, container, false)
 	}
 
-	override fun onViewBindingCreated(binding: FragmentListSimpleBinding, savedInstanceState: Bundle?) {
+	override fun onViewBindingCreated(
+		binding: FragmentListSimpleBinding,
+		savedInstanceState: Bundle?,
+	) {
 		super.onViewBindingCreated(binding, savedInstanceState)
 		selectionController = ListSelectionController(
 			activity = requireActivity(),
@@ -95,8 +98,11 @@ class BookmarksFragment :
 		viewModel.content.observe(viewLifecycleOwner) {
 			bookmarksAdapter?.setItems(it, spanSizeLookup)
 		}
-		viewModel.onError.observeEvent(viewLifecycleOwner, SnackbarErrorObserver(binding.recyclerView, this))
+		viewModel.onError.observeEvent(
-		viewModel.onActionDone.observeEvent(viewLifecycleOwner, ::onActionDone)
+			viewLifecycleOwner,
+			SnackbarErrorObserver(binding.recyclerView, this)
+		)
+		viewModel.onActionDone.observeEvent(viewLifecycleOwner, ReversibleActionObserver(binding.recyclerView))
 	}
 
 	override fun onDestroyView() {
@@ -139,12 +145,20 @@ class BookmarksFragment :
 		requireViewBinding().recyclerView.invalidateItemDecorations()
 	}
 
-	override fun onCreateActionMode(controller: ListSelectionController, mode: ActionMode, menu: Menu): Boolean {
+	override fun onCreateActionMode(
+		controller: ListSelectionController,
+		mode: ActionMode,
+		menu: Menu,
+	): Boolean {
 		mode.menuInflater.inflate(R.menu.mode_bookmarks, menu)
 		return true
 	}
 
-	override fun onActionItemClicked(controller: ListSelectionController, mode: ActionMode, item: MenuItem): Boolean {
+	override fun onActionItemClicked(
+		controller: ListSelectionController,
+		mode: ActionMode,
+		item: MenuItem,
+	): Boolean {
 		return when (item.itemId) {
 			R.id.action_remove -> {
 				val ids = selectionController?.snapshot() ?: return false
@@ -167,16 +181,6 @@ class BookmarksFragment :
 		}
 	}
 
-	private fun onActionDone(action: ReversibleAction) {
-		val handle = action.handle
-		val length = if (handle == null) Snackbar.LENGTH_SHORT else Snackbar.LENGTH_LONG
-		val snackbar = Snackbar.make((activity as SnackbarOwner).snackbarHost, action.stringResId, length)
-		if (handle != null) {
-			snackbar.setAction(R.string.undo) { handle.reverseAsync() }
-		}
-		snackbar.show()
-	}
-
 	private inner class SpanSizeLookup : GridLayoutManager.SpanSizeLookup(), Runnable {
 
 		init {
@@ -185,7 +189,8 @@ class BookmarksFragment :
 		}
 
 		override fun getSpanSize(position: Int): Int {
-			val total = (viewBinding?.recyclerView?.layoutManager as? GridLayoutManager)?.spanCount ?: return 1
+			val total = (viewBinding?.recyclerView?.layoutManager as? GridLayoutManager)?.spanCount
+				?: return 1
 			return when (bookmarksAdapter?.getItemViewType(position)) {
 				ListItemType.PAGE_THUMB.ordinal -> 1
 				else -> total
@@ -200,6 +205,12 @@ class BookmarksFragment :
 
 	companion object {
 
+		@Deprecated(
+			"", ReplaceWith(
+				"BookmarksFragment()",
+				"org.koitharu.kotatsu.bookmarks.ui.BookmarksFragment"
+			)
+		)
 		fun newInstance() = BookmarksFragment()
 	}
 }

app/src/main/kotlin/org/koitharu/kotatsu/bookmarks/ui/adapter/BookmarkListAD.kt

@@ -9,7 +9,6 @@ import org.koitharu.kotatsu.core.ui.image.CoverSizeResolver
 import org.koitharu.kotatsu.core.ui.list.AdapterDelegateClickListenerAdapter
 import org.koitharu.kotatsu.core.ui.list.OnListItemClickListener
 import org.koitharu.kotatsu.core.util.ext.decodeRegion
-import org.koitharu.kotatsu.core.util.ext.disposeImageRequest
 import org.koitharu.kotatsu.core.util.ext.enqueueWith
 import org.koitharu.kotatsu.core.util.ext.newImageRequest
 import org.koitharu.kotatsu.core.util.ext.source
@@ -40,8 +39,4 @@ fun bookmarkListAD(
 			enqueueWith(coil)
 		}
 	}
-
-	onViewRecycled {
-		binding.imageViewThumb.disposeImageRequest()
-	}
 }

app/src/main/kotlin/org/koitharu/kotatsu/bookmarks/ui/sheet/BookmarkLargeAD.kt

@@ -9,7 +9,6 @@ import org.koitharu.kotatsu.core.ui.image.CoverSizeResolver
 import org.koitharu.kotatsu.core.ui.list.AdapterDelegateClickListenerAdapter
 import org.koitharu.kotatsu.core.ui.list.OnListItemClickListener
 import org.koitharu.kotatsu.core.util.ext.decodeRegion
-import org.koitharu.kotatsu.core.util.ext.disposeImageRequest
 import org.koitharu.kotatsu.core.util.ext.enqueueWith
 import org.koitharu.kotatsu.core.util.ext.newImageRequest
 import org.koitharu.kotatsu.core.util.ext.source
@@ -42,8 +41,4 @@ fun bookmarkLargeAD(
 		}
 		binding.progressView.percent = item.percent
 	}
-
-	onViewRecycled {
-		binding.imageViewThumb.disposeImageRequest()
-	}
 }

app/src/main/kotlin/org/koitharu/kotatsu/bookmarks/ui/sheet/BookmarksSheet.kt

@@ -162,7 +162,7 @@ class BookmarksSheet :
 
 		fun show(fm: FragmentManager, manga: Manga) {
 			BookmarksSheet().withArgs(1) {
-				putParcelable(ARG_MANGA, ParcelableManga(manga, withChapters = true))
+				putParcelable(ARG_MANGA, ParcelableManga(manga))
 			}.showDistinct(fm, TAG)
 		}
 	}

app/src/main/kotlin/org/koitharu/kotatsu/bookmarks/ui/sheet/BookmarksSheetViewModel.kt

@@ -35,6 +35,7 @@ class BookmarksSheetViewModel @Inject constructor(
 
 	val content: StateFlow<List<ListModel>> = bookmarksRepository.observeBookmarks(manga)
 		.map { mapList(it) }
+		.withErrorHandling()
 		.stateIn(viewModelScope + Dispatchers.Default, SharingStarted.Lazily, listOf(LoadingFooter()))
 
 	private suspend fun mapList(bookmarks: List<Bookmark>): List<ListModel> {

app/src/main/kotlin/org/koitharu/kotatsu/browser/cloudflare/CaptchaNotifier.kt

@@ -1,28 +1,28 @@
 package org.koitharu.kotatsu.browser.cloudflare
 
-import android.annotation.SuppressLint
 import android.content.Context
 import androidx.core.app.NotificationChannelCompat
 import androidx.core.app.NotificationCompat
 import androidx.core.app.NotificationManagerCompat
 import androidx.core.app.PendingIntentCompat
 import androidx.core.net.toUri
+import coil.EventListener
 import coil.request.ErrorResult
 import coil.request.ImageRequest
 import org.koitharu.kotatsu.R
 import org.koitharu.kotatsu.core.exceptions.CloudFlareProtectedException
+import org.koitharu.kotatsu.core.util.ext.checkNotificationPermission
 import org.koitharu.kotatsu.parsers.model.ContentType
 
 class CaptchaNotifier(
 	private val context: Context,
-) : ImageRequest.Listener {
+) : EventListener {
 
-	@SuppressLint("MissingPermission")
 	fun notify(exception: CloudFlareProtectedException) {
-		val manager = NotificationManagerCompat.from(context)
+		if (!context.checkNotificationPermission()) {
-		if (!manager.areNotificationsEnabled()) {
 			return
 		}
+		val manager = NotificationManagerCompat.from(context)
 		val channel = NotificationChannelCompat.Builder(CHANNEL_ID, NotificationManagerCompat.IMPORTANCE_DEFAULT)
 			.setName(context.getString(R.string.captcha_required))
 			.setShowBadge(true)

app/src/main/kotlin/org/koitharu/kotatsu/browser/cloudflare/CloudFlareActivity.kt

@@ -3,6 +3,7 @@ package org.koitharu.kotatsu.browser.cloudflare
 import android.content.Context
 import android.content.Intent
 import android.os.Bundle
+import android.view.Menu
 import android.view.MenuItem
 import android.webkit.CookieManager
 import androidx.activity.result.contract.ActivityResultContract
@@ -11,8 +12,14 @@ import androidx.core.net.toUri
 import androidx.core.view.isInvisible
 import androidx.core.view.isVisible
 import androidx.core.view.updatePadding
+import androidx.lifecycle.lifecycleScope
 import dagger.hilt.android.AndroidEntryPoint
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.launch
+import kotlinx.coroutines.runInterruptible
+import kotlinx.coroutines.yield
 import okhttp3.Headers
+import okhttp3.HttpUrl
 import okhttp3.HttpUrl.Companion.toHttpUrlOrNull
 import org.koitharu.kotatsu.R
 import org.koitharu.kotatsu.browser.WebViewBackPressedCallback
@@ -38,7 +45,13 @@ class CloudFlareActivity : BaseActivity<ActivityBrowserBinding>(), CloudFlareCal
 
 	override fun onCreate(savedInstanceState: Bundle?) {
 		super.onCreate(savedInstanceState)
-		if (!catchingWebViewUnavailability { setContentView(ActivityBrowserBinding.inflate(layoutInflater)) }) {
+		if (!catchingWebViewUnavailability {
+				setContentView(
+					ActivityBrowserBinding.inflate(
+						layoutInflater
+					)
+				)
+			}) {
 			return
 		}
 		supportActionBar?.run {
@@ -86,6 +99,11 @@ class CloudFlareActivity : BaseActivity<ActivityBrowserBinding>(), CloudFlareCal
 		viewBinding.webView.restoreState(savedInstanceState)
 	}
 
+	override fun onCreateOptionsMenu(menu: Menu?): Boolean {
+		menuInflater.inflate(R.menu.opt_captcha, menu)
+		return super.onCreateOptionsMenu(menu)
+	}
+
 	override fun onWindowInsetsChanged(insets: Insets) {
 		viewBinding.appbar.updatePadding(
 			top = insets.top,
@@ -104,6 +122,19 @@ class CloudFlareActivity : BaseActivity<ActivityBrowserBinding>(), CloudFlareCal
 			true
 		}
 
+		R.id.action_retry -> {
+			lifecycleScope.launch {
+				viewBinding.webView.stopLoading()
+				yield()
+				val targetUrl = intent?.dataString?.toHttpUrlOrNull()
+				if (targetUrl != null) {
+					clearCfCookies(targetUrl)
+					viewBinding.webView.loadUrl(targetUrl.toString())
+				}
+			}
+			true
+		}
+
 		else -> super.onOptionsItemSelected(item)
 	}
 
@@ -141,7 +172,15 @@ class CloudFlareActivity : BaseActivity<ActivityBrowserBinding>(), CloudFlareCal
 
 	override fun onTitleChanged(title: CharSequence, subtitle: CharSequence?) {
 		setTitle(title)
-		supportActionBar?.subtitle = subtitle?.toString()?.toHttpUrlOrNull()?.topPrivateDomain() ?: subtitle
+		supportActionBar?.subtitle =
+			subtitle?.toString()?.toHttpUrlOrNull()?.topPrivateDomain() ?: subtitle
+	}
+
+	private suspend fun clearCfCookies(url: HttpUrl) = runInterruptible(Dispatchers.Default) {
+		cookieJar.removeCookies(url) { cookie ->
+			val name = cookie.name
+			name.startsWith("cf_") || name.startsWith("_cf") || name.startsWith("__cf")
+		}
 	}
 
 	class Contract : ActivityResultContract<Pair<String, Headers?>, TaggedActivityResult>() {

app/src/main/kotlin/org/koitharu/kotatsu/core/AppModule.kt

@@ -13,7 +13,6 @@ import coil.decode.SvgDecoder
 import coil.disk.DiskCache
 import coil.util.DebugLogger
 import dagger.Binds
-import dagger.Lazy
 import dagger.Module
 import dagger.Provides
 import dagger.hilt.InstallIn
@@ -26,11 +25,13 @@ import kotlinx.coroutines.flow.SharedFlow
 import kotlinx.coroutines.flow.asSharedFlow
 import okhttp3.OkHttpClient
 import org.koitharu.kotatsu.BuildConfig
+import org.koitharu.kotatsu.browser.cloudflare.CaptchaNotifier
 import org.koitharu.kotatsu.core.cache.ContentCache
 import org.koitharu.kotatsu.core.cache.MemoryContentCache
 import org.koitharu.kotatsu.core.cache.StubContentCache
 import org.koitharu.kotatsu.core.db.MangaDatabase
-import org.koitharu.kotatsu.core.network.*
+import org.koitharu.kotatsu.core.network.ImageProxyInterceptor
+import org.koitharu.kotatsu.core.network.MangaHttpClient
 import org.koitharu.kotatsu.core.os.AppShortcutManager
 import org.koitharu.kotatsu.core.os.NetworkState
 import org.koitharu.kotatsu.core.parser.MangaLoaderContextImpl
@@ -40,14 +41,13 @@ import org.koitharu.kotatsu.core.ui.image.CoilImageGetter
 import org.koitharu.kotatsu.core.ui.util.ActivityRecreationHandle
 import org.koitharu.kotatsu.core.util.AcraScreenLogger
 import org.koitharu.kotatsu.core.util.IncognitoModeIndicator
-import org.koitharu.kotatsu.core.util.ext.activityManager
 import org.koitharu.kotatsu.core.util.ext.connectivityManager
 import org.koitharu.kotatsu.core.util.ext.isLowRamDevice
 import org.koitharu.kotatsu.local.data.CacheDir
 import org.koitharu.kotatsu.local.data.CbzFetcher
 import org.koitharu.kotatsu.local.data.LocalStorageChanges
 import org.koitharu.kotatsu.local.domain.model.LocalManga
-import org.koitharu.kotatsu.main.domain.CoverRestorer
+import org.koitharu.kotatsu.main.domain.CoverRestoreInterceptor
 import org.koitharu.kotatsu.main.ui.protect.AppProtectHelper
 import org.koitharu.kotatsu.parsers.MangaLoaderContext
 import org.koitharu.kotatsu.reader.ui.thumbnails.MangaPageFetcher
@@ -91,7 +91,7 @@ interface AppModule {
 			mangaRepositoryFactory: MangaRepository.Factory,
 			imageProxyInterceptor: ImageProxyInterceptor,
 			pageFetcherFactory: MangaPageFetcher.Factory,
-			coverRestorerProvider: Lazy<CoverRestorer>,
+			coverRestoreInterceptor: CoverRestoreInterceptor,
 		): ImageLoader {
 			val diskCacheFactory = {
 				val rootDir = context.externalCacheDir ?: context.cacheDir
@@ -108,7 +108,7 @@ interface AppModule {
 				.diskCache(diskCacheFactory)
 				.logger(if (BuildConfig.DEBUG) DebugLogger() else null)
 				.allowRgb565(context.isLowRamDevice())
-				.eventListenerFactory { coverRestorerProvider.get() }
+				.eventListener(CaptchaNotifier(context))
 				.components(
 					ComponentRegistry.Builder()
 						.add(SvgDecoder.Factory())
@@ -116,6 +116,7 @@ interface AppModule {
 						.add(FaviconFetcher.Factory(context, okHttpClient, mangaRepositoryFactory))
 						.add(pageFetcherFactory)
 						.add(imageProxyInterceptor)
+						.add(coverRestoreInterceptor)
 						.build(),
 				).build()
 		}
@@ -160,7 +161,7 @@ interface AppModule {
 		fun provideContentCache(
 			application: Application,
 		): ContentCache {
-			return if (application.activityManager?.isLowRamDevice == true) {
+			return if (application.isLowRamDevice()) {
 				StubContentCache()
 			} else {
 				MemoryContentCache(application)

app/src/main/kotlin/org/koitharu/kotatsu/core/cache/ContentCache.kt

@@ -20,25 +20,8 @@ interface ContentCache {
 
 	fun putRelatedManga(source: MangaSource, url: String, related: SafeDeferred<List<Manga>>)
 
-	class Key(
+	data class Key(
 		val source: MangaSource,
 		val url: String,
-	) {
+	)
-
-		override fun equals(other: Any?): Boolean {
-			if (this === other) return true
-			if (javaClass != other?.javaClass) return false
-
-			other as Key
-
-			if (source != other.source) return false
-			return url == other.url
-		}
-
-		override fun hashCode(): Int {
-			var result = source.hashCode()
-			result = 31 * result + url.hashCode()
-			return result
-		}
-	}
 }

app/src/main/kotlin/org/koitharu/kotatsu/core/db/MangaDatabase.kt

@@ -6,6 +6,7 @@ import androidx.room.InvalidationTracker
 import androidx.room.Room
 import androidx.room.RoomDatabase
 import androidx.room.migration.Migration
+import kotlinx.coroutines.CoroutineStart
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.isActive
 import kotlinx.coroutines.launch
@@ -118,7 +119,7 @@ fun MangaDatabase(context: Context): MangaDatabase = Room
 fun InvalidationTracker.removeObserverAsync(observer: InvalidationTracker.Observer) {
 	val scope = processLifecycleScope
 	if (scope.isActive) {
-		processLifecycleScope.launch(Dispatchers.Default) {
+		processLifecycleScope.launch(Dispatchers.Default, CoroutineStart.ATOMIC) {
 			removeObserver(observer)
 		}
 	}

app/src/main/kotlin/org/koitharu/kotatsu/core/db/Tables.kt

@@ -6,3 +6,4 @@ const val TABLE_TAGS = "tags"
 const val TABLE_FAVOURITE_CATEGORIES = "favourite_categories"
 const val TABLE_HISTORY = "history"
 const val TABLE_MANGA_TAGS = "manga_tags"
+const val TABLE_SOURCES = "sources"

app/src/main/kotlin/org/koitharu/kotatsu/core/db/dao/TagsDao.kt

@@ -51,6 +51,28 @@ abstract class TagsDao {
 	)
 	abstract suspend fun findTags(query: String, limit: Int): List<TagEntity>
 
+	@Query(
+		"""
+		SELECT tags.* FROM manga_tags 
+		LEFT JOIN tags ON tags.tag_id = manga_tags.tag_id 
+		WHERE manga_tags.manga_id IN (SELECT manga_id FROM manga_tags WHERE tag_id = :tagId)
+		GROUP BY tags.tag_id 
+		ORDER BY COUNT(manga_id) DESC;
+	""",
+	)
+	abstract suspend fun findRelatedTags(tagId: Long): List<TagEntity>
+
+	@Query(
+		"""
+		SELECT tags.* FROM manga_tags 
+		LEFT JOIN tags ON tags.tag_id = manga_tags.tag_id 
+		WHERE manga_tags.manga_id IN (SELECT manga_id FROM manga_tags WHERE tag_id IN (:ids))
+		GROUP BY tags.tag_id 
+		ORDER BY COUNT(manga_id) DESC;
+	""",
+	)
+	abstract suspend fun findRelatedTags(ids: Set<Long>): List<TagEntity>
+
 	@Upsert
 	abstract suspend fun upsert(tags: Iterable<TagEntity>)
 }

app/src/main/kotlin/org/koitharu/kotatsu/core/db/entity/EntityMapping.kt

@@ -19,6 +19,8 @@ fun TagEntity.toMangaTag() = MangaTag(
 
 fun Collection<TagEntity>.toMangaTags() = mapToSet(TagEntity::toMangaTag)
 
+fun Collection<TagEntity>.toMangaTagsList() = map(TagEntity::toMangaTag)
+
 fun MangaEntity.toManga(tags: Set<MangaTag>) = Manga(
 	id = this.id,
 	title = this.title,

app/src/main/kotlin/org/koitharu/kotatsu/core/db/entity/MangaSourceEntity.kt

@@ -3,9 +3,10 @@ package org.koitharu.kotatsu.core.db.entity
 import androidx.room.ColumnInfo
 import androidx.room.Entity
 import androidx.room.PrimaryKey
+import org.koitharu.kotatsu.core.db.TABLE_SOURCES
 
 @Entity(
-	tableName = "sources",
+	tableName = TABLE_SOURCES,
 )
 data class MangaSourceEntity(
 	@PrimaryKey(autoGenerate = false)

app/src/main/kotlin/org/koitharu/kotatsu/core/db/entity/MangaWithTags.kt

@@ -4,7 +4,7 @@ import androidx.room.Embedded
 import androidx.room.Junction
 import androidx.room.Relation
 
-class MangaWithTags(
+data class MangaWithTags(
 	@Embedded val manga: MangaEntity,
 	@Relation(
 		parentColumn = "manga_id",
@@ -12,21 +12,4 @@ class MangaWithTags(
 		associateBy = Junction(MangaTagsEntity::class)
 	)
 	val tags: List<TagEntity>,
-) {
+)
-
-	override fun equals(other: Any?): Boolean {
-		if (this === other) return true
-		if (javaClass != other?.javaClass) return false
-
-		other as MangaWithTags
-
-		if (manga != other.manga) return false
-		return tags == other.tags
-	}
-
-	override fun hashCode(): Int {
-		var result = manga.hashCode()
-		result = 31 * result + tags.hashCode()
-		return result
-	}
-}

app/src/main/kotlin/org/koitharu/kotatsu/core/exceptions/TooManyRequestExceptions.kt

@@ -6,4 +6,8 @@ import java.util.Date
 class TooManyRequestExceptions(
 	val url: String,
 	val retryAt: Date?,
-) : IOException()
+) : IOException() {
+
+	val retryAfter: Long
+		get() = if (retryAt == null) 0 else (retryAt.time - System.currentTimeMillis()).coerceAtLeast(0)
+}

app/src/main/kotlin/org/koitharu/kotatsu/core/github/VersionId.kt

@@ -2,7 +2,7 @@ package org.koitharu.kotatsu.core.github
 
 import java.util.*
 
-class VersionId(
+data class VersionId(
 	val major: Int,
 	val minor: Int,
 	val build: Int,
@@ -30,28 +30,6 @@ class VersionId(
 		return variantNumber.compareTo(other.variantNumber)
 	}
 
-	override fun equals(other: Any?): Boolean {
-		if (this === other) return true
-		if (javaClass != other?.javaClass) return false
-
-		other as VersionId
-
-		if (major != other.major) return false
-		if (minor != other.minor) return false
-		if (build != other.build) return false
-		if (variantType != other.variantType) return false
-		return variantNumber == other.variantNumber
-	}
-
-	override fun hashCode(): Int {
-		var result = major
-		result = 31 * result + minor
-		result = 31 * result + build
-		result = 31 * result + variantType.hashCode()
-		result = 31 * result + variantNumber
-		return result
-	}
-
 	private fun variantWeight(variantType: String) = when (variantType.lowercase(Locale.ROOT)) {
 		"a", "alpha" -> 1
 		"b", "beta" -> 2

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

@@ -17,6 +17,8 @@ fun Collection<Manga>.distinctById() = distinctBy { it.id }
 @JvmName("chaptersIds")
 fun Collection<MangaChapter>.ids() = mapToSet { it.id }
 
+fun Collection<MangaChapter>.findById(id: Long) = find { x -> x.id == id }
+
 fun Collection<ChapterListItem>.countChaptersByBranch(): Int {
 	if (size <= 1) {
 		return size
@@ -30,7 +32,7 @@ fun Collection<ChapterListItem>.countChaptersByBranch(): Int {
 }
 
 fun Manga.findChapter(id: Long): MangaChapter? {
-	return chapters?.find { it.id == id }
+	return chapters?.findById(id)
 }
 
 fun Manga.getPreferredBranch(history: MangaHistory?): String? {
@@ -39,7 +41,7 @@ fun Manga.getPreferredBranch(history: MangaHistory?): String? {
 		return null
 	}
 	if (history != null) {
-		val currentChapter = ch.find { it.id == history.chapterId }
+		val currentChapter = ch.findById(history.chapterId)
 		if (currentChapter != null) {
 			return currentChapter.branch
 		}
@@ -48,10 +50,10 @@ fun Manga.getPreferredBranch(history: MangaHistory?): String? {
 	if (groups.size == 1) {
 		return groups.keys.first()
 	}
-	val candidates = HashMap<String?, List<MangaChapter>>(groups.size)
 	for (locale in LocaleListCompat.getAdjustedDefault()) {
 		val displayLanguage = locale.getDisplayLanguage(locale)
 		val displayName = locale.getDisplayName(locale)
+		val candidates = HashMap<String?, List<MangaChapter>>(3)
 		for (branch in groups.keys) {
 			if (branch != null && (
 					branch.contains(displayLanguage, ignoreCase = true) ||
@@ -61,8 +63,11 @@ fun Manga.getPreferredBranch(history: MangaHistory?): String? {
 				candidates[branch] = groups[branch] ?: continue
 			}
 		}
+		if (candidates.isNotEmpty()) {
+			return candidates.maxBy { it.value.size }.key
 		}
-	return candidates.ifEmpty { groups }.maxByOrNull { it.value.size }?.key
+	}
+	return groups.maxByOrNull { it.value.size }?.key
 }
 
 val Manga.isLocal: Boolean

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

@@ -1,5 +1,6 @@
 package org.koitharu.kotatsu.core.model
 
+import org.koitharu.kotatsu.parsers.model.ContentType
 import org.koitharu.kotatsu.parsers.model.MangaSource
 import org.koitharu.kotatsu.parsers.util.toTitleCase
 import java.util.Locale
@@ -15,3 +16,5 @@ fun MangaSource(name: String): MangaSource {
 	}
 	return MangaSource.DUMMY
 }
+
+fun MangaSource.isNsfw() = contentType == ContentType.HENTAI

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

@@ -0,0 +1,42 @@
+package org.koitharu.kotatsu.core.model.parcelable
+
+import android.os.Parcel
+import android.os.Parcelable
+import kotlinx.parcelize.Parceler
+import kotlinx.parcelize.Parcelize
+import org.koitharu.kotatsu.core.util.ext.readSerializableCompat
+import org.koitharu.kotatsu.parsers.model.MangaChapter
+import org.koitharu.kotatsu.parsers.model.MangaSource
+
+@Parcelize
+data class ParcelableChapter(
+	val chapter: MangaChapter,
+) : Parcelable {
+
+	companion object : Parceler<ParcelableChapter> {
+
+		override fun create(parcel: Parcel) = ParcelableChapter(
+			MangaChapter(
+				id = parcel.readLong(),
+				name = parcel.readString().orEmpty(),
+				number = parcel.readInt(),
+				url = parcel.readString().orEmpty(),
+				scanlator = parcel.readString(),
+				uploadDate = parcel.readLong(),
+				branch = parcel.readString(),
+				source = parcel.readSerializableCompat() ?: MangaSource.DUMMY,
+			)
+		)
+
+		override fun ParcelableChapter.write(parcel: Parcel, flags: Int) = with(chapter) {
+			parcel.writeLong(id)
+			parcel.writeString(name)
+			parcel.writeInt(number)
+			parcel.writeString(url)
+			parcel.writeString(scanlator)
+			parcel.writeLong(uploadDate)
+			parcel.writeString(branch)
+			parcel.writeSerializable(source)
+		}
+	}
+}

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

@@ -9,55 +9,28 @@ import org.koitharu.kotatsu.core.util.ext.readParcelableCompat
 import org.koitharu.kotatsu.core.util.ext.readSerializableCompat
 import org.koitharu.kotatsu.parsers.model.Manga
 
-// Limits to avoid TransactionTooLargeException
-private const val MAX_SAFE_SIZE = 1024 * 100 // Assume that 100 kb is safe parcel size
-private const val MAX_SAFE_CHAPTERS_COUNT = 24 // this is 100% safe
-
 @Parcelize
 data class ParcelableManga(
 	val manga: Manga,
-	private val withChapters: Boolean,
 ) : Parcelable {
-	companion object : Parceler<ParcelableManga> {
-		private fun Manga.writeToParcel(out: Parcel, flags: Int, withChapters: Boolean) {
-			out.writeLong(id)
-			out.writeString(title)
-			out.writeString(altTitle)
-			out.writeString(url)
-			out.writeString(publicUrl)
-			out.writeFloat(rating)
-			ParcelCompat.writeBoolean(out, isNsfw)
-			out.writeString(coverUrl)
-			out.writeString(largeCoverUrl)
-			out.writeString(description)
-			out.writeParcelable(ParcelableMangaTags(tags), flags)
-			out.writeSerializable(state)
-			out.writeString(author)
-			val parcelableChapters = if (withChapters) null else chapters?.let(::ParcelableMangaChapters)
-			out.writeParcelable(parcelableChapters, flags)
-			out.writeSerializable(source)
-		}
 
-		override fun ParcelableManga.write(parcel: Parcel, flags: Int) {
+	companion object : Parceler<ParcelableManga> {
-			val chapters = manga.chapters
+
-			if (!withChapters || chapters == null) {
+		override fun ParcelableManga.write(parcel: Parcel, flags: Int) = with(manga) {
-				manga.writeToParcel(parcel, flags, withChapters = false)
+			parcel.writeLong(id)
-				return
+			parcel.writeString(title)
-			}
+			parcel.writeString(altTitle)
-			if (chapters.size <= MAX_SAFE_CHAPTERS_COUNT) {
+			parcel.writeString(url)
-				// fast path
+			parcel.writeString(publicUrl)
-				manga.writeToParcel(parcel, flags, withChapters = true)
+			parcel.writeFloat(rating)
-				return
+			ParcelCompat.writeBoolean(parcel, isNsfw)
-			}
+			parcel.writeString(coverUrl)
-			val tempParcel = Parcel.obtain()
+			parcel.writeString(largeCoverUrl)
-			manga.writeToParcel(tempParcel, flags, withChapters = true)
+			parcel.writeString(description)
-			val size = tempParcel.dataSize()
+			parcel.writeParcelable(ParcelableMangaTags(tags), flags)
-			if (size < MAX_SAFE_SIZE) {
+			parcel.writeSerializable(state)
-				parcel.appendFrom(tempParcel, 0, size)
+			parcel.writeString(author)
-			} else {
+			parcel.writeSerializable(source)
-				manga.writeToParcel(parcel, flags, withChapters = false)
-			}
-			tempParcel.recycle()
 		}
 
 		override fun create(parcel: Parcel) = ParcelableManga(
@@ -75,10 +48,9 @@ data class ParcelableManga(
 				tags = requireNotNull(parcel.readParcelableCompat<ParcelableMangaTags>()).tags,
 				state = parcel.readSerializableCompat(),
 				author = parcel.readString(),
-				chapters = parcel.readParcelableCompat<ParcelableMangaChapters>()?.chapters,
+				chapters = null,
 				source = requireNotNull(parcel.readSerializableCompat()),
-			),
+			)
-			withChapters = true
 		)
 	}
 }

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

@@ -1,37 +0,0 @@
-package org.koitharu.kotatsu.core.model.parcelable
-
-import android.os.Parcel
-import android.os.Parcelable
-import kotlinx.parcelize.Parceler
-import kotlinx.parcelize.Parcelize
-import kotlinx.parcelize.TypeParceler
-import org.koitharu.kotatsu.core.util.ext.readSerializableCompat
-import org.koitharu.kotatsu.parsers.model.MangaChapter
-
-object MangaChapterParceler : Parceler<MangaChapter> {
-	override fun create(parcel: Parcel) = MangaChapter(
-		id = parcel.readLong(),
-		name = requireNotNull(parcel.readString()),
-		number = parcel.readInt(),
-		url = requireNotNull(parcel.readString()),
-		scanlator = parcel.readString(),
-		uploadDate = parcel.readLong(),
-		branch = parcel.readString(),
-		source = requireNotNull(parcel.readSerializableCompat()),
-	)
-
-	override fun MangaChapter.write(parcel: Parcel, flags: Int) {
-		parcel.writeLong(id)
-		parcel.writeString(name)
-		parcel.writeInt(number)
-		parcel.writeString(url)
-		parcel.writeString(scanlator)
-		parcel.writeLong(uploadDate)
-		parcel.writeString(branch)
-		parcel.writeSerializable(source)
-	}
-}
-
-@Parcelize
-@TypeParceler<MangaChapter, MangaChapterParceler>
-data class ParcelableMangaChapters(val chapters: List<MangaChapter>) : Parcelable

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

@@ -1,6 +1,9 @@
 package org.koitharu.kotatsu.core.network
 
+import androidx.collection.ArraySet
 import dagger.Lazy
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.runInterruptible
 import okhttp3.Interceptor
 import okhttp3.Request
 import okhttp3.Response
@@ -13,6 +16,7 @@ import org.koitharu.kotatsu.core.parser.MangaRepository
 import org.koitharu.kotatsu.core.parser.RemoteMangaRepository
 import org.koitharu.kotatsu.core.prefs.AppSettings
 import org.koitharu.kotatsu.parsers.model.MangaSource
+import java.util.EnumMap
 import javax.inject.Inject
 import javax.inject.Singleton
 
@@ -22,9 +26,15 @@ class MirrorSwitchInterceptor @Inject constructor(
 	private val settings: AppSettings,
 ) : Interceptor {
 
+	private val locks = EnumMap<MangaSource, Any>(MangaSource::class.java)
+	private val blacklist = EnumMap<MangaSource, MutableSet<String>>(MangaSource::class.java)
+
+	val isEnabled: Boolean
+		get() = settings.isMirrorSwitchingAvailable
+
 	override fun intercept(chain: Interceptor.Chain): Response {
 		val request = chain.request()
-		if (!settings.isMirrorSwitchingAvailable) {
+		if (!isEnabled) {
 			return chain.proceed(request)
 		}
 		return try {
@@ -43,6 +53,30 @@ class MirrorSwitchInterceptor @Inject constructor(
 		}
 	}
 
+	suspend fun trySwitchMirror(repository: RemoteMangaRepository): Boolean = runInterruptible(Dispatchers.Default) {
+		if (!isEnabled) {
+			return@runInterruptible false
+		}
+		val mirrors = repository.getAvailableMirrors()
+		if (mirrors.size <= 1) {
+			return@runInterruptible false
+		}
+		synchronized(obtainLock(repository.source)) {
+			val currentMirror = repository.domain
+			addToBlacklist(repository.source, currentMirror)
+			val newMirror = mirrors.firstOrNull { x ->
+				x != currentMirror && !isBlacklisted(repository.source, x)
+			} ?: return@synchronized false
+			repository.domain = newMirror
+			true
+		}
+	}
+
+	fun rollback(repository: RemoteMangaRepository, oldMirror: String) = synchronized(obtainLock(repository.source)) {
+		blacklist[repository.source]?.remove(oldMirror)
+		repository.domain = oldMirror
+	}
+
 	private fun trySwitchMirror(request: Request, chain: Interceptor.Chain): Response? {
 		val source = request.tag(MangaSource::class.java) ?: return null
 		val repository = mangaRepositoryFactoryLazy.get().create(source) as? RemoteMangaRepository ?: return null
@@ -50,7 +84,9 @@ class MirrorSwitchInterceptor @Inject constructor(
 		if (mirrors.isEmpty()) {
 			return null
 		}
-		return tryMirrors(repository, mirrors, chain, request)
+		return synchronized(obtainLock(repository.source)) {
+			tryMirrors(repository, mirrors, chain, request)
+		}
 	}
 
 	private fun tryMirrors(
@@ -66,7 +102,7 @@ class MirrorSwitchInterceptor @Inject constructor(
 		}
 		val urlBuilder = url.newBuilder()
 		for (mirror in mirrors) {
-			if (mirror == currentDomain) {
+			if (mirror == currentDomain || isBlacklisted(repository.source, mirror)) {
 				continue
 			}
 			val newHost = hostOf(url.host, mirror) ?: continue
@@ -75,6 +111,7 @@ class MirrorSwitchInterceptor @Inject constructor(
 				.build()
 			val response = chain.proceed(newRequest)
 			if (response.isFailed) {
+				addToBlacklist(repository.source, mirror)
 				response.closeQuietly()
 			} else {
 				repository.domain = mirror
@@ -104,4 +141,18 @@ class MirrorSwitchInterceptor @Inject constructor(
 	private fun ResponseBody.copy(): ResponseBody {
 		return source().readByteArray().toResponseBody(contentType())
 	}
+
+	private fun obtainLock(source: MangaSource): Any = locks.getOrPut(source) {
+		Any()
+	}
+
+	private fun isBlacklisted(source: MangaSource, domain: String): Boolean {
+		return blacklist[source]?.contains(domain) == true
+	}
+
+	private fun addToBlacklist(source: MangaSource, domain: String) {
+		blacklist.getOrPut(source) {
+			ArraySet(2)
+		}.add(domain)
+	}
 }

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

@@ -2,6 +2,7 @@ package org.koitharu.kotatsu.core.network.cookies
 
 import android.webkit.CookieManager
 import androidx.annotation.WorkerThread
+import androidx.core.util.Predicate
 import okhttp3.Cookie
 import okhttp3.HttpUrl
 import org.koitharu.kotatsu.core.util.ext.newBuilder
@@ -31,19 +32,21 @@ class AndroidCookieJar : MutableCookieJar {
 		}
 	}
 
-	override fun removeCookies(url: HttpUrl) {
+	override fun removeCookies(url: HttpUrl, predicate: Predicate<Cookie>?) {
 		val cookies = loadForRequest(url)
 		if (cookies.isEmpty()) {
 			return
 		}
 		val urlString = url.toString()
 		for (c in cookies) {
+			if (predicate != null && !predicate.test(c)) {
+				continue
+			}
 			val nc = c.newBuilder()
 				.expiresAt(System.currentTimeMillis() - 100000)
 				.build()
 			cookieManager.setCookie(urlString, nc.toString())
 		}
-		check(loadForRequest(url).isEmpty())
 	}
 
 	override suspend fun clear() = suspendCoroutine<Boolean> { continuation ->

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

@@ -8,7 +8,7 @@ import java.io.ObjectInputStream
 import java.io.ObjectOutputStream
 
 
-class CookieWrapper(
+data class CookieWrapper(
 	val cookie: Cookie,
 ) {
 
@@ -66,17 +66,4 @@ class CookieWrapper(
 	fun key(): String {
 		return (if (cookie.secure) "https" else "http") + "://" + cookie.domain + cookie.path + "|" + cookie.name
 	}
-
-	override fun equals(other: Any?): Boolean {
-		if (this === other) return true
-		if (javaClass != other?.javaClass) return false
-
-		other as CookieWrapper
-
-		return cookie == other.cookie
-	}
-
-	override fun hashCode(): Int {
-		return cookie.hashCode()
-	}
 }

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

@@ -1,6 +1,7 @@
 package org.koitharu.kotatsu.core.network.cookies
 
 import androidx.annotation.WorkerThread
+import androidx.core.util.Predicate
 import okhttp3.Cookie
 import okhttp3.CookieJar
 import okhttp3.HttpUrl
@@ -14,7 +15,7 @@ interface MutableCookieJar : CookieJar {
 	override fun saveFromResponse(url: HttpUrl, cookies: List<Cookie>)
 
 	@WorkerThread
-	fun removeCookies(url: HttpUrl)
+	fun removeCookies(url: HttpUrl, predicate: Predicate<Cookie>?)
 
 	suspend fun clear(): Boolean
 }

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

@@ -4,6 +4,7 @@ import android.content.Context
 import androidx.annotation.WorkerThread
 import androidx.collection.ArrayMap
 import androidx.core.content.edit
+import androidx.core.util.Predicate
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.withContext
 import okhttp3.Cookie
@@ -57,14 +58,16 @@ class PreferencesCookieJar(
 
 	@Synchronized
 	@WorkerThread
-	override fun removeCookies(url: HttpUrl) {
+	override fun removeCookies(url: HttpUrl, predicate: Predicate<Cookie>?) {
 		loadPersistent()
 		val toRemove = HashSet<String>()
 		for ((key, cookie) in cache) {
 			if (cookie.isExpired() || cookie.cookie.matches(url)) {
+				if (predicate == null || predicate.test(cookie.cookie)) {
 					toRemove += key
 				}
 			}
+		}
 		if (toRemove.isNotEmpty()) {
 			cache.removeAll(toRemove)
 			removePersistent(toRemove)

app/src/main/kotlin/org/koitharu/kotatsu/core/os/AppShortcutManager.kt

@@ -21,6 +21,7 @@ import kotlinx.coroutines.launch
 import org.koitharu.kotatsu.R
 import org.koitharu.kotatsu.core.db.TABLE_HISTORY
 import org.koitharu.kotatsu.core.parser.MangaDataRepository
+import org.koitharu.kotatsu.core.parser.favicon.faviconUri
 import org.koitharu.kotatsu.core.prefs.AppSettings
 import org.koitharu.kotatsu.core.ui.image.ThumbnailTransformation
 import org.koitharu.kotatsu.core.util.ext.getDrawableOrThrow
@@ -29,8 +30,10 @@ import org.koitharu.kotatsu.core.util.ext.processLifecycleScope
 import org.koitharu.kotatsu.core.util.ext.source
 import org.koitharu.kotatsu.history.data.HistoryRepository
 import org.koitharu.kotatsu.parsers.model.Manga
+import org.koitharu.kotatsu.parsers.model.MangaSource
 import org.koitharu.kotatsu.parsers.util.runCatchingCancellable
 import org.koitharu.kotatsu.reader.ui.ReaderActivity
+import org.koitharu.kotatsu.search.ui.MangaListActivity
 import javax.inject.Inject
 import javax.inject.Singleton
 
@@ -73,8 +76,18 @@ class AppShortcutManager @Inject constructor(
 		}
 	}
 
-	suspend fun requestPinShortcut(manga: Manga): Boolean {
+	suspend fun requestPinShortcut(manga: Manga): Boolean = try {
-		return ShortcutManagerCompat.requestPinShortcut(context, buildShortcutInfo(manga), null)
+		ShortcutManagerCompat.requestPinShortcut(context, buildShortcutInfo(manga), null)
+	} catch (e: IllegalStateException) {
+		e.printStackTraceDebug()
+		false
+	}
+
+	suspend fun requestPinShortcut(source: MangaSource): Boolean = try {
+		ShortcutManagerCompat.requestPinShortcut(context, buildShortcutInfo(source), null)
+	} catch (e: IllegalStateException) {
+		e.printStackTraceDebug()
+		false
 	}
 
 	@VisibleForTesting
@@ -86,6 +99,11 @@ class AppShortcutManager @Inject constructor(
 		ShortcutManagerCompat.reportShortcutUsed(context, mangaId.toString())
 	}
 
+	fun isDynamicShortcutsAvailable(): Boolean {
+		return Build.VERSION.SDK_INT >= Build.VERSION_CODES.N_MR1 &&
+			context.getSystemService(ShortcutManager::class.java).maxShortcutCountPerActivity > 0
+	}
+
 	private suspend fun updateShortcutsImpl() = runCatchingCancellable {
 		val maxShortcuts = ShortcutManagerCompat.getMaxShortcutCountPerActivity(context).coerceAtLeast(5)
 		val shortcuts = historyRepository.getList(0, maxShortcuts)
@@ -132,8 +150,25 @@ class AppShortcutManager @Inject constructor(
 			.build()
 	}
 
-	fun isDynamicShortcutsAvailable(): Boolean {
+	private suspend fun buildShortcutInfo(source: MangaSource): ShortcutInfoCompat {
-		return Build.VERSION.SDK_INT >= Build.VERSION_CODES.N_MR1 &&
+		val icon = runCatchingCancellable {
-			context.getSystemService(ShortcutManager::class.java).maxShortcutCountPerActivity > 0
+			coil.execute(
+				ImageRequest.Builder(context)
+					.data(source.faviconUri())
+					.size(iconSize)
+					.scale(Scale.FIT)
+					.build(),
+			).getDrawableOrThrow().toBitmap()
+		}.fold(
+			onSuccess = { IconCompat.createWithAdaptiveBitmap(it) },
+			onFailure = { IconCompat.createWithResource(context, R.drawable.ic_shortcut_default) },
+		)
+		return ShortcutInfoCompat.Builder(context, source.name)
+			.setShortLabel(source.title)
+			.setLongLabel(source.title)
+			.setIcon(icon)
+			.setLongLived(true)
+			.setIntent(MangaListActivity.newIntent(context, source))
+			.build()
 	}
 }

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

@@ -17,7 +17,7 @@ import org.koitharu.kotatsu.parsers.MangaLoaderContext
 import org.koitharu.kotatsu.parsers.config.MangaSourceConfig
 import org.koitharu.kotatsu.parsers.model.MangaSource
 import java.lang.ref.WeakReference
-import java.util.*
+import java.util.Locale
 import javax.inject.Inject
 import javax.inject.Singleton
 import kotlin.coroutines.resume
@@ -50,7 +50,7 @@ class MangaLoaderContextImpl @Inject constructor(
 	}
 
 	override fun encodeBase64(data: ByteArray): String {
-		return Base64.encodeToString(data, Base64.NO_PADDING)
+		return Base64.encodeToString(data, Base64.NO_WRAP)
 	}
 
 	override fun decodeBase64(data: String): ByteArray {

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

@@ -2,6 +2,7 @@ package org.koitharu.kotatsu.core.parser
 
 import androidx.annotation.AnyThread
 import org.koitharu.kotatsu.core.cache.ContentCache
+import org.koitharu.kotatsu.core.network.MirrorSwitchInterceptor
 import org.koitharu.kotatsu.local.data.LocalMangaRepository
 import org.koitharu.kotatsu.parsers.MangaLoaderContext
 import org.koitharu.kotatsu.parsers.model.Manga
@@ -43,6 +44,7 @@ interface MangaRepository {
 		private val localMangaRepository: LocalMangaRepository,
 		private val loaderContext: MangaLoaderContext,
 		private val contentCache: ContentCache,
+		private val mirrorSwitchInterceptor: MirrorSwitchInterceptor,
 	) {
 
 		private val cache = EnumMap<MangaSource, WeakReference<RemoteMangaRepository>>(MangaSource::class.java)
@@ -55,7 +57,11 @@ interface MangaRepository {
 			cache[source]?.get()?.let { return it }
 			return synchronized(cache) {
 				cache[source]?.get()?.let { return it }
-				val repository = RemoteMangaRepository(MangaParser(source, loaderContext), contentCache)
+				val repository = RemoteMangaRepository(
+					parser = MangaParser(source, loaderContext),
+					cache = contentCache,
+					mirrorSwitchInterceptor = mirrorSwitchInterceptor,
+				)
 				cache[source] = WeakReference(repository)
 				repository
 			}

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

@@ -13,11 +13,13 @@ import okhttp3.Response
 import org.koitharu.kotatsu.BuildConfig
 import org.koitharu.kotatsu.core.cache.ContentCache
 import org.koitharu.kotatsu.core.cache.SafeDeferred
+import org.koitharu.kotatsu.core.network.MirrorSwitchInterceptor
 import org.koitharu.kotatsu.core.prefs.SourceSettings
 import org.koitharu.kotatsu.core.util.ext.processLifecycleScope
 import org.koitharu.kotatsu.parsers.MangaParser
 import org.koitharu.kotatsu.parsers.MangaParserAuthProvider
 import org.koitharu.kotatsu.parsers.config.ConfigKey
+import org.koitharu.kotatsu.parsers.exception.ParseException
 import org.koitharu.kotatsu.parsers.model.Favicons
 import org.koitharu.kotatsu.parsers.model.Manga
 import org.koitharu.kotatsu.parsers.model.MangaChapter
@@ -31,6 +33,7 @@ import org.koitharu.kotatsu.parsers.util.runCatchingCancellable
 class RemoteMangaRepository(
 	private val parser: MangaParser,
 	private val cache: ContentCache,
+	private val mirrorSwitchInterceptor: MirrorSwitchInterceptor,
 ) : MangaRepository, Interceptor {
 
 	override val source: MangaSource
@@ -66,11 +69,15 @@ class RemoteMangaRepository(
 	}
 
 	override suspend fun getList(offset: Int, query: String): List<Manga> {
-		return parser.getList(offset, query)
+		return mirrorSwitchInterceptor.withMirrorSwitching {
+			parser.getList(offset, query)
+		}
 	}
 
 	override suspend fun getList(offset: Int, tags: Set<MangaTag>?, sortOrder: SortOrder?): List<Manga> {
-		return parser.getList(offset, tags, sortOrder)
+		return mirrorSwitchInterceptor.withMirrorSwitching {
+			parser.getList(offset, tags, sortOrder)
+		}
 	}
 
 	override suspend fun getDetails(manga: Manga): Manga = getDetails(manga, withCache = true)
@@ -78,17 +85,25 @@ class RemoteMangaRepository(
 	override suspend fun getPages(chapter: MangaChapter): List<MangaPage> {
 		cache.getPages(source, chapter.url)?.let { return it }
 		val pages = asyncSafe {
+			mirrorSwitchInterceptor.withMirrorSwitching {
 				parser.getPages(chapter).distinctById()
 			}
+		}
 		cache.putPages(source, chapter.url, pages)
 		return pages.await()
 	}
 
-	override suspend fun getPageUrl(page: MangaPage): String = parser.getPageUrl(page)
+	override suspend fun getPageUrl(page: MangaPage): String = mirrorSwitchInterceptor.withMirrorSwitching {
+		parser.getPageUrl(page)
+	}
 
-	override suspend fun getTags(): Set<MangaTag> = parser.getTags()
+	override suspend fun getTags(): Set<MangaTag> = mirrorSwitchInterceptor.withMirrorSwitching {
+		parser.getTags()
+	}
 
-	suspend fun getFavicons(): Favicons = parser.getFavicons()
+	suspend fun getFavicons(): Favicons = mirrorSwitchInterceptor.withMirrorSwitching {
+		parser.getFavicons()
+	}
 
 	override suspend fun getRelated(seed: Manga): List<Manga> {
 		cache.getRelatedManga(source, seed.url)?.let { return it }
@@ -105,8 +120,10 @@ class RemoteMangaRepository(
 		}
 		cache.getDetails(source, manga.url)?.let { return it }
 		val details = asyncSafe {
+			mirrorSwitchInterceptor.withMirrorSwitching {
 				parser.getDetails(manga)
 			}
+		}
 		cache.putDetails(source, manga.url, details)
 		return details.await()
 	}
@@ -155,4 +172,33 @@ class RemoteMangaRepository(
 		}
 		return result
 	}
+
+	private suspend fun <R> MirrorSwitchInterceptor.withMirrorSwitching(block: suspend () -> R): R {
+		if (!isEnabled) {
+			return block()
+		}
+		val initialMirror = domain
+		val result = runCatchingCancellable {
+			block()
+		}
+		if (result.isValidResult()) {
+			return result.getOrThrow()
+		}
+		return if (trySwitchMirror(this@RemoteMangaRepository)) {
+			val newResult = runCatchingCancellable {
+				block()
+			}
+			if (newResult.isValidResult()) {
+				return newResult.getOrThrow()
+			} else {
+				rollback(this@RemoteMangaRepository, initialMirror)
+				return result.getOrThrow()
+			}
+		} else {
+			result.getOrThrow()
+		}
+	}
+
+	private fun Result<*>.isValidResult() = exceptionOrNull() !is ParseException
+		&& (getOrNull() as? Collection<*>)?.isEmpty() != true
 }

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

@@ -14,6 +14,7 @@ import coil.network.HttpException
 import coil.request.Options
 import coil.size.Size
 import coil.size.pxOrElse
+import kotlinx.coroutines.ensureActive
 import okhttp3.OkHttpClient
 import okhttp3.Request
 import okhttp3.Response
@@ -25,11 +26,13 @@ import org.koitharu.kotatsu.core.exceptions.CloudFlareProtectedException
 import org.koitharu.kotatsu.core.model.MangaSource
 import org.koitharu.kotatsu.core.parser.MangaRepository
 import org.koitharu.kotatsu.core.parser.RemoteMangaRepository
+import org.koitharu.kotatsu.core.util.ext.writeAllCancellable
 import org.koitharu.kotatsu.local.data.CacheDir
 import org.koitharu.kotatsu.local.data.util.withExtraCloseable
 import org.koitharu.kotatsu.parsers.model.MangaSource
 import org.koitharu.kotatsu.parsers.util.await
 import java.net.HttpURLConnection
+import kotlin.coroutines.coroutineContext
 
 private const val FALLBACK_SIZE = 9999 // largest icon
 
@@ -55,13 +58,16 @@ class FaviconFetcher(
 			options.size.height.pxOrElse { FALLBACK_SIZE },
 		)
 		var favicons = repo.getFavicons()
+		var lastError: Exception? = null
 		while (favicons.isNotEmpty()) {
-			val icon = favicons.find(sizePx) ?: throwNSEE()
+			coroutineContext.ensureActive()
+			val icon = favicons.find(sizePx) ?: throwNSEE(lastError)
 			val response = try {
 				loadIcon(icon.url, mangaSource)
 			} catch (e: CloudFlareProtectedException) {
 				throw e
 			} catch (e: HttpException) {
+				lastError = e
 				favicons -= icon
 				continue
 			}
@@ -75,7 +81,7 @@ class FaviconFetcher(
 				dataSource = response.toDataSource(),
 			)
 		}
-		throwNSEE()
+		throwNSEE(lastError)
 	}
 
 	private suspend fun loadIcon(url: String, source: MangaSource): Response {
@@ -105,14 +111,14 @@ class FaviconFetcher(
 		)
 	}
 
-	private fun writeToDiskCache(body: ResponseBody): DiskCache.Snapshot? {
+	private suspend fun writeToDiskCache(body: ResponseBody): DiskCache.Snapshot? {
 		if (!options.diskCachePolicy.writeEnabled || body.contentLength() == 0L) {
 			return null
 		}
 		val editor = diskCache.value?.openEditor(diskCacheKey) ?: return null
 		try {
 			fileSystem.write(editor.data) {
-				body.source().readAll(this)
+				writeAllCancellable(body.source())
 			}
 			return editor.commitAndOpenSnapshot()
 		} catch (e: Throwable) {
@@ -154,7 +160,13 @@ class FaviconFetcher(
 		append(height.toString())
 	}
 
-	private fun throwNSEE(): Nothing = throw NoSuchElementException("No favicons found")
+	private fun throwNSEE(lastError: Exception?): Nothing {
+		if (lastError != null) {
+			throw lastError
+		} else {
+			throw NoSuchElementException("No favicons found")
+		}
+	}
 
 	class Factory(
 		context: Context,

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

@@ -24,6 +24,7 @@ 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.parsers.model.SortOrder
+import org.koitharu.kotatsu.parsers.util.find
 import org.koitharu.kotatsu.parsers.util.mapNotNullToSet
 import org.koitharu.kotatsu.parsers.util.mapToSet
 import java.io.File
@@ -43,7 +44,8 @@ class AppSettings @Inject constructor(@ApplicationContext context: Context) {
 		set(value) = prefs.edit { putEnumValue(KEY_LIST_MODE, value) }
 
 	val theme: Int
-		get() = prefs.getString(KEY_THEME, null)?.toIntOrNull() ?: AppCompatDelegate.MODE_NIGHT_FOLLOW_SYSTEM
+		get() = prefs.getString(KEY_THEME, null)?.toIntOrNull()
+			?: AppCompatDelegate.MODE_NIGHT_FOLLOW_SYSTEM
 
 	val colorScheme: ColorScheme
 		get() = prefs.getEnumValue(KEY_COLOR_THEME, ColorScheme.default)
@@ -51,8 +53,20 @@ class AppSettings @Inject constructor(@ApplicationContext context: Context) {
 	val isAmoledTheme: Boolean
 		get() = prefs.getBoolean(KEY_THEME_AMOLED, false)
 
-	val isFavoritesNavItemFirst: Boolean
+	var mainNavItems: List<NavItem>
-		get() = (prefs.getString(KEY_FIRST_NAV_ITEM, null)?.toIntOrNull() ?: 0) == 1
+		get() {
+			val raw = prefs.getString(KEY_NAV_MAIN, null)?.split(',')
+			return if (raw.isNullOrEmpty()) {
+				listOf(NavItem.HISTORY, NavItem.FAVORITES, NavItem.EXPLORE, NavItem.FEED)
+			} else {
+				raw.mapNotNull { x -> NavItem.entries.find(x) }.ifEmpty { listOf(NavItem.EXPLORE) }
+			}
+		}
+		set(value) {
+			prefs.edit {
+				putString(KEY_NAV_MAIN, value.joinToString(",") { it.name })
+			}
+		}
 
 	var gridSize: Int
 		get() = prefs.getInt(KEY_GRID_SIZE, 100)
@@ -76,6 +90,9 @@ class AppSettings @Inject constructor(@ApplicationContext context: Context) {
 	val readerPageSwitch: Set<String>
 		get() = prefs.getStringSet(KEY_READER_SWITCHERS, null) ?: setOf(PAGE_SWITCH_TAPS)
 
+	val isReaderZoomButtonsEnabled: Boolean
+		get() = prefs.getBoolean(KEY_READER_ZOOM_BUTTONS, false)
+
 	val isReaderTapsAdaptive: Boolean
 		get() = !prefs.getBoolean(KEY_READER_TAPS_LTR, false)
 
@@ -145,7 +162,11 @@ class AppSettings @Inject constructor(@ApplicationContext context: Context) {
 
 	var appPassword: String?
 		get() = prefs.getString(KEY_APP_PASSWORD, null)
-		set(value) = prefs.edit { if (value != null) putString(KEY_APP_PASSWORD, value) else remove(KEY_APP_PASSWORD) }
+		set(value) = prefs.edit {
+			if (value != null) putString(KEY_APP_PASSWORD, value) else remove(
+				KEY_APP_PASSWORD,
+			)
+		}
 
 	val isLoggingEnabled: Boolean
 		get() = prefs.getBoolean(KEY_LOGGING_ENABLED, false)
@@ -171,7 +192,8 @@ class AppSettings @Inject constructor(@ApplicationContext context: Context) {
 			if (isBackgroundNetworkRestricted()) {
 				return false
 			}
-			val policy = NetworkPolicy.from(prefs.getString(KEY_PREFETCH_CONTENT, null), NetworkPolicy.NEVER)
+			val policy =
+				NetworkPolicy.from(prefs.getString(KEY_PREFETCH_CONTENT, null), NetworkPolicy.NEVER)
 			return policy.isNetworkAllowed(connectivityManager)
 		}
 
@@ -248,6 +270,9 @@ class AppSettings @Inject constructor(@ApplicationContext context: Context) {
 	val isReaderSliderEnabled: Boolean
 		get() = prefs.getBoolean(KEY_READER_SLIDER, true)
 
+	val isReaderKeepScreenOn: Boolean
+		get() = prefs.getBoolean(KEY_READER_SCREEN_ON, true)
+
 	val isImagesProxyEnabled: Boolean
 		get() = prefs.getBoolean(KEY_IMAGES_PROXY, false)
 
@@ -292,14 +317,22 @@ class AppSettings @Inject constructor(@ApplicationContext context: Context) {
 	@get:FloatRange(from = 0.0, to = 1.0)
 	var readerAutoscrollSpeed: Float
 		get() = prefs.getFloat(KEY_READER_AUTOSCROLL_SPEED, 0f)
-		set(@FloatRange(from = 0.0, to = 1.0) value) = prefs.edit { putFloat(KEY_READER_AUTOSCROLL_SPEED, value) }
+		set(@FloatRange(from = 0.0, to = 1.0) value) = prefs.edit {
+			putFloat(
+				KEY_READER_AUTOSCROLL_SPEED,
+				value,
+			)
+		}
 
 	val isPagesPreloadEnabled: Boolean
 		get() {
 			if (isBackgroundNetworkRestricted()) {
 				return false
 			}
-			val policy = NetworkPolicy.from(prefs.getString(KEY_PAGES_PRELOAD, null), NetworkPolicy.NON_METERED)
+			val policy = NetworkPolicy.from(
+				prefs.getString(KEY_PAGES_PRELOAD, null),
+				NetworkPolicy.NON_METERED,
+			)
 			return policy.isNetworkAllowed(connectivityManager)
 		}
 
@@ -382,6 +415,7 @@ class AppSettings @Inject constructor(@ApplicationContext context: Context) {
 		const val KEY_REMOTE_SOURCES = "remote_sources"
 		const val KEY_LOCAL_STORAGE = "local_storage"
 		const val KEY_READER_SWITCHERS = "reader_switchers"
+		const val KEY_READER_ZOOM_BUTTONS = "reader_zoom_buttons"
 		const val KEY_TRACKER_ENABLED = "tracker_enabled"
 		const val KEY_TRACKER_WIFI_ONLY = "tracker_wifi"
 		const val KEY_TRACK_SOURCES = "track_sources"
@@ -429,6 +463,7 @@ class AppSettings @Inject constructor(@ApplicationContext context: Context) {
 		const val KEY_READER_BAR = "reader_bar"
 		const val KEY_READER_SLIDER = "reader_slider"
 		const val KEY_READER_BACKGROUND = "reader_background"
+		const val KEY_READER_SCREEN_ON = "reader_screen_on"
 		const val KEY_SHORTCUTS = "dynamic_shortcuts"
 		const val KEY_READER_TAPS_LTR = "reader_taps_ltr"
 		const val KEY_LOCAL_LIST_ORDER = "local_order"
@@ -455,7 +490,7 @@ class AppSettings @Inject constructor(@ApplicationContext context: Context) {
 		const val KEY_LOCAL_MANGA_DIRS = "local_manga_dirs"
 		const val KEY_DISABLE_NSFW = "no_nsfw"
 		const val KEY_RELATED_MANGA = "related_manga"
-		const val KEY_FIRST_NAV_ITEM = "nav_first"
+		const val KEY_NAV_MAIN = "nav_main"
 
 		// About
 		const val KEY_APP_UPDATE = "app_update"

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

@@ -1,15 +1,38 @@
 package org.koitharu.kotatsu.core.prefs
 
+import android.appwidget.AppWidgetProvider
 import android.content.Context
+import android.os.Build
 import androidx.core.content.edit
 
 private const val CATEGORY_ID = "cat_id"
+private const val BACKGROUND = "bg"
 
-class AppWidgetConfig(context: Context, val widgetId: Int) {
+class AppWidgetConfig(
+	context: Context,
+	cls: Class<out AppWidgetProvider>,
+	val widgetId: Int,
+) {
 
-	private val prefs = context.getSharedPreferences("appwidget_$widgetId", Context.MODE_PRIVATE)
+	private val prefs = context.getSharedPreferences("appwidget_${cls.simpleName}_$widgetId", Context.MODE_PRIVATE)
 
 	var categoryId: Long
 		get() = prefs.getLong(CATEGORY_ID, 0L)
 		set(value) = prefs.edit { putLong(CATEGORY_ID, value) }
+
+	var hasBackground: Boolean
+		get() = prefs.getBoolean(BACKGROUND, Build.VERSION.SDK_INT >= Build.VERSION_CODES.S)
+		set(value) = prefs.edit { putBoolean(BACKGROUND, value) }
+
+	fun clear() {
+		prefs.edit { clear() }
+	}
+
+	fun copyFrom(other: AppWidgetConfig) {
+		prefs.edit {
+			clear()
+			putLong(CATEGORY_ID, other.categoryId)
+			putBoolean(BACKGROUND, other.hasBackground)
+		}
+	}
 }

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

@@ -0,0 +1,33 @@
+package org.koitharu.kotatsu.core.prefs
+
+import androidx.annotation.DrawableRes
+import androidx.annotation.IdRes
+import androidx.annotation.StringRes
+import org.koitharu.kotatsu.R
+import org.koitharu.kotatsu.list.ui.model.ListModel
+
+enum class NavItem(
+	@IdRes val id: Int,
+	@StringRes val title: Int,
+	@DrawableRes val icon: Int,
+) : ListModel {
+
+	HISTORY(R.id.nav_history, R.string.history, R.drawable.ic_history_selector),
+	FAVORITES(R.id.nav_favorites, R.string.favourites, R.drawable.ic_favourites_selector),
+	LOCAL(R.id.nav_local, R.string.on_device, R.drawable.ic_storage_selector),
+	EXPLORE(R.id.nav_explore, R.string.explore, R.drawable.ic_explore_selector),
+	SUGGESTIONS(R.id.nav_suggestions, R.string.suggestions, R.drawable.ic_suggestion_selector),
+	FEED(R.id.nav_feed, R.string.feed, R.drawable.ic_feed_selector),
+	BOOKMARKS(R.id.nav_bookmarks, R.string.bookmarks, R.drawable.ic_bookmark_selector),
+	;
+
+	override fun areItemsTheSame(other: ListModel): Boolean {
+		return other is NavItem && ordinal == other.ordinal
+	}
+
+	fun isAvailable(settings: AppSettings): Boolean = when (this) {
+		SUGGESTIONS -> settings.isSuggestionsEnabled
+		FEED -> settings.isTrackerEnabled
+		else -> true
+	}
+}

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

@@ -3,8 +3,8 @@ package org.koitharu.kotatsu.core.prefs
 enum class ReaderMode(val id: Int) {
 
 	STANDARD(1),
-	WEBTOON(2),
+	REVERSED(3),
-	REVERSED(3);
+	WEBTOON(2);
 
 	companion object {
 

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

@@ -0,0 +1,51 @@
+package org.koitharu.kotatsu.core.ui
+
+import android.appwidget.AppWidgetManager
+import android.appwidget.AppWidgetProvider
+import android.content.Context
+import android.widget.RemoteViews
+import androidx.annotation.CallSuper
+import org.koitharu.kotatsu.core.prefs.AppWidgetConfig
+
+abstract class BaseAppWidgetProvider : AppWidgetProvider() {
+
+	@CallSuper
+	override fun onUpdate(
+		context: Context,
+		appWidgetManager: AppWidgetManager,
+		appWidgetIds: IntArray
+	) {
+		appWidgetIds.forEach { id ->
+			val config = AppWidgetConfig(context, javaClass, id)
+			val views = onUpdateWidget(context, config)
+			appWidgetManager.updateAppWidget(id, views)
+		}
+	}
+
+	override fun onDeleted(context: Context, appWidgetIds: IntArray) {
+		super.onDeleted(context, appWidgetIds)
+		for (id in appWidgetIds) {
+			AppWidgetConfig(context, javaClass, id).clear()
+		}
+	}
+
+	override fun onRestored(context: Context, oldWidgetIds: IntArray, newWidgetIds: IntArray) {
+		super.onRestored(context, oldWidgetIds, newWidgetIds)
+		if (oldWidgetIds.size != newWidgetIds.size) {
+			return
+		}
+		for (i in oldWidgetIds.indices) {
+			val oldId = oldWidgetIds[i]
+			val newId = newWidgetIds[i]
+			val oldConfig = AppWidgetConfig(context, javaClass, oldId)
+			val newConfig = AppWidgetConfig(context, javaClass, newId)
+			newConfig.copyFrom(oldConfig)
+			oldConfig.clear()
+		}
+	}
+
+	protected abstract fun onUpdateWidget(
+		context: Context,
+		config: AppWidgetConfig,
+	): RemoteViews
+}

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

@@ -5,20 +5,19 @@ import android.os.Build
 import android.os.Bundle
 import android.view.WindowManager
 import androidx.core.content.ContextCompat
-import androidx.core.view.WindowInsetsCompat
-import androidx.core.view.WindowInsetsControllerCompat
 import androidx.viewbinding.ViewBinding
 import org.koitharu.kotatsu.R
+import org.koitharu.kotatsu.core.ui.util.SystemUiController
 
 abstract class BaseFullscreenActivity<B : ViewBinding> :
 	BaseActivity<B>() {
 
-	private lateinit var insetsControllerCompat: WindowInsetsControllerCompat
+	protected lateinit var systemUiController: SystemUiController
 
 	override fun onCreate(savedInstanceState: Bundle?) {
 		super.onCreate(savedInstanceState)
 		with(window) {
-			insetsControllerCompat = WindowInsetsControllerCompat(this, decorView)
+			systemUiController = SystemUiController(this)
 			statusBarColor = Color.TRANSPARENT
 			navigationBarColor = if (Build.VERSION.SDK_INT < Build.VERSION_CODES.M) {
 				ContextCompat.getColor(this@BaseFullscreenActivity, R.color.dim)
@@ -30,15 +29,7 @@ abstract class BaseFullscreenActivity<B : ViewBinding> :
 					WindowManager.LayoutParams.LAYOUT_IN_DISPLAY_CUTOUT_MODE_SHORT_EDGES
 			}
 		}
-		insetsControllerCompat.systemBarsBehavior = WindowInsetsControllerCompat.BEHAVIOR_SHOW_TRANSIENT_BARS_BY_SWIPE
+		// insetsControllerCompat.systemBarsBehavior = WindowInsetsControllerCompat.BEHAVIOR_SHOW_TRANSIENT_BARS_BY_SWIPE
-		showSystemUI()
+		systemUiController.setSystemUiVisible(true)
-	}
-
-	protected fun hideSystemUI() {
-		insetsControllerCompat.hide(WindowInsetsCompat.Type.systemBars())
-	}
-
-	protected fun showSystemUI() {
-		insetsControllerCompat.show(WindowInsetsCompat.Type.systemBars())
 	}
 }

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

@@ -106,12 +106,7 @@ class TrimTransformation(
 	}
 
 	override fun equals(other: Any?): Boolean {
-		if (this === other) return true
+		return this === other || (other is TrimTransformation && other.tolerance == tolerance)
-		if (javaClass != other?.javaClass) return false
-
-		other as TrimTransformation
-
-		return tolerance == other.tolerance
 	}
 
 	override fun hashCode(): Int {

app/src/main/kotlin/org/koitharu/kotatsu/core/ui/list/fastscroll/FastScroller.kt

@@ -19,13 +19,13 @@ import androidx.coordinatorlayout.widget.CoordinatorLayout
 import androidx.core.content.ContextCompat
 import androidx.core.content.withStyledAttributes
 import androidx.core.view.GravityCompat
+import androidx.core.view.ancestors
 import androidx.core.view.isGone
 import androidx.core.view.isVisible
 import androidx.recyclerview.widget.RecyclerView
 import org.koitharu.kotatsu.R
 import org.koitharu.kotatsu.core.util.ext.getThemeColor
 import org.koitharu.kotatsu.core.util.ext.isLayoutReversed
-import org.koitharu.kotatsu.core.util.ext.parents
 import org.koitharu.kotatsu.databinding.FastScrollerBinding
 import kotlin.math.roundToInt
 import com.google.android.material.R as materialR
@@ -522,7 +522,7 @@ class FastScroller @JvmOverloads constructor(
 		return BubbleSize.entries.getOrNull(ordinal) ?: defaultValue
 	}
 
-	private fun findValidParent(view: View): ViewGroup? = view.parents.firstNotNullOfOrNull { p ->
+	private fun findValidParent(view: View): ViewGroup? = view.ancestors.firstNotNullOfOrNull { p ->
 		if (p is FrameLayout || p is ConstraintLayout || p is CoordinatorLayout || p is RelativeLayout) {
 			p as ViewGroup
 		} else {

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

@@ -20,38 +20,19 @@ sealed class DateTimeAgo {
 		override fun equals(other: Any?): Boolean = other === JustNow
 	}
 
-	class MinutesAgo(val minutes: Int) : DateTimeAgo() {
+	data class MinutesAgo(val minutes: Int) : DateTimeAgo() {
-
 		override fun format(resources: Resources): String {
 			return resources.getQuantityString(R.plurals.minutes_ago, minutes, minutes)
 		}
 
-		override fun equals(other: Any?): Boolean {
-			if (this === other) return true
-			if (javaClass != other?.javaClass) return false
-			other as MinutesAgo
-			return minutes == other.minutes
-		}
-
-		override fun hashCode(): Int = minutes
-
 		override fun toString() = "minutes_ago_$minutes"
 	}
 
-	class HoursAgo(val hours: Int) : DateTimeAgo() {
+	data class HoursAgo(val hours: Int) : DateTimeAgo() {
 		override fun format(resources: Resources): String {
 			return resources.getQuantityString(R.plurals.hours_ago, hours, hours)
 		}
 
-		override fun equals(other: Any?): Boolean {
-			if (this === other) return true
-			if (javaClass != other?.javaClass) return false
-			other as HoursAgo
-			return hours == other.hours
-		}
-
-		override fun hashCode(): Int = hours
-
 		override fun toString() = "hours_ago_$hours"
 	}
 
@@ -75,26 +56,15 @@ sealed class DateTimeAgo {
 		override fun equals(other: Any?): Boolean = other === Yesterday
 	}
 
-	class DaysAgo(val days: Int) : DateTimeAgo() {
+	data class DaysAgo(val days: Int) : DateTimeAgo() {
-
 		override fun format(resources: Resources): String {
 			return resources.getQuantityString(R.plurals.days_ago, days, days)
 		}
 
-		override fun equals(other: Any?): Boolean {
-			if (this === other) return true
-			if (javaClass != other?.javaClass) return false
-			other as DaysAgo
-			return days == other.days
-		}
-
-		override fun hashCode(): Int = days
-
 		override fun toString() = "days_ago_$days"
 	}
 
-	class MonthsAgo(val months: Int) : DateTimeAgo() {
+	data class MonthsAgo(val months: Int) : DateTimeAgo() {
-
 		override fun format(resources: Resources): String {
 			return if (months == 0) {
 				resources.getString(R.string.this_month)
@@ -102,19 +72,6 @@ sealed class DateTimeAgo {
 				resources.getQuantityString(R.plurals.months_ago, months, months)
 			}
 		}
-
-		override fun equals(other: Any?): Boolean {
-			if (this === other) return true
-			if (javaClass != other?.javaClass) return false
-
-			other as MonthsAgo
-
-			return months == other.months
-		}
-
-		override fun hashCode(): Int {
-			return months
-		}
 	}
 
 	class Absolute(private val date: Date) : DateTimeAgo() {

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

@@ -104,6 +104,7 @@ sealed class AdaptiveSheetBehavior {
 	companion object {
 
 		const val STATE_EXPANDED = SideSheetBehavior.STATE_EXPANDED
+		const val STATE_COLLAPSED = BottomSheetBehavior.STATE_COLLAPSED
 		const val STATE_SETTLING = SideSheetBehavior.STATE_SETTLING
 		const val STATE_DRAGGING = SideSheetBehavior.STATE_DRAGGING
 		const val STATE_HIDDEN = SideSheetBehavior.STATE_HIDDEN
@@ -114,7 +115,8 @@ sealed class AdaptiveSheetBehavior {
 			else -> null
 		}
 
-		fun from(lp: CoordinatorLayout.LayoutParams): AdaptiveSheetBehavior? = when (val behavior = lp.behavior) {
+		fun from(lp: CoordinatorLayout.LayoutParams): AdaptiveSheetBehavior? =
+			when (val behavior = lp.behavior) {
 				is BottomSheetBehavior<*> -> Bottom(behavior)
 				is SideSheetBehavior<*> -> Side(behavior)
 				else -> null

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

@@ -2,17 +2,19 @@ package org.koitharu.kotatsu.core.ui.sheet
 
 import android.content.Context
 import android.util.AttributeSet
+import android.view.InputDevice
 import android.view.LayoutInflater
+import android.view.MotionEvent
 import android.view.View
 import android.widget.LinearLayout
 import androidx.annotation.AttrRes
 import androidx.annotation.StringRes
 import androidx.coordinatorlayout.widget.CoordinatorLayout
 import androidx.core.content.withStyledAttributes
+import androidx.core.view.ancestors
 import androidx.core.view.isGone
 import androidx.core.view.isVisible
 import org.koitharu.kotatsu.R
-import org.koitharu.kotatsu.core.util.ext.parents
 import org.koitharu.kotatsu.databinding.LayoutSheetHeaderAdaptiveBinding
 
 class AdaptiveSheetHeaderBar @JvmOverloads constructor(
@@ -21,7 +23,8 @@ class AdaptiveSheetHeaderBar @JvmOverloads constructor(
 	@AttrRes defStyleAttr: Int = 0,
 ) : LinearLayout(context, attrs, defStyleAttr), AdaptiveSheetCallback {
 
-	private val binding = LayoutSheetHeaderAdaptiveBinding.inflate(LayoutInflater.from(context), this)
+	private val binding =
+		LayoutSheetHeaderAdaptiveBinding.inflate(LayoutInflater.from(context), this)
 	private var sheetBehavior: AdaptiveSheetBehavior? = null
 
 	var title: CharSequence?
@@ -60,6 +63,28 @@ class AdaptiveSheetHeaderBar @JvmOverloads constructor(
 		super.onDetachedFromWindow()
 	}
 
+	override fun onGenericMotionEvent(event: MotionEvent): Boolean {
+		val behavior = sheetBehavior ?: return super.onGenericMotionEvent(event)
+		if (event.source and InputDevice.SOURCE_CLASS_POINTER != 0) {
+			if (event.actionMasked == MotionEvent.ACTION_SCROLL) {
+				if (event.getAxisValue(MotionEvent.AXIS_VSCROLL) < 0f) {
+					behavior.state = if (
+						behavior is AdaptiveSheetBehavior.Bottom
+						&& behavior.state == AdaptiveSheetBehavior.STATE_EXPANDED
+					) {
+						AdaptiveSheetBehavior.STATE_COLLAPSED
+					} else {
+						AdaptiveSheetBehavior.STATE_HIDDEN
+					}
+				} else {
+					behavior.state = AdaptiveSheetBehavior.STATE_EXPANDED
+				}
+				return true
+			}
+		}
+		return super.onGenericMotionEvent(event)
+	}
+
 	override fun onStateChanged(sheet: View, newState: Int) {
 
 	}
@@ -81,14 +106,9 @@ class AdaptiveSheetHeaderBar @JvmOverloads constructor(
 	}
 
 	private fun findParentSheetBehavior(): AdaptiveSheetBehavior? {
-		for (p in parents) {
+		return ancestors.firstNotNullOfOrNull {
-			val layoutParams = (p as? View)?.layoutParams
+			((it as? View)?.layoutParams as? CoordinatorLayout.LayoutParams)
-			if (layoutParams is CoordinatorLayout.LayoutParams) {
+				?.let { params -> AdaptiveSheetBehavior.from(params) }
-				AdaptiveSheetBehavior.from(layoutParams)?.let {
-					return it
 		}
 	}
-		}
-		return null
-	}
 }

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

@@ -0,0 +1,60 @@
+package org.koitharu.kotatsu.core.ui.util
+
+import android.os.Build
+import android.view.View
+import android.view.Window
+import android.view.WindowInsets
+import android.view.WindowInsetsController
+import androidx.annotation.RequiresApi
+
+sealed class SystemUiController(
+	protected val window: Window,
+) {
+
+	abstract fun setSystemUiVisible(value: Boolean)
+
+	@RequiresApi(Build.VERSION_CODES.S)
+	private class Api30Impl(window: Window) : SystemUiController(window) {
+
+		private val insetsController = checkNotNull(window.decorView.windowInsetsController)
+
+		override fun setSystemUiVisible(value: Boolean) {
+			if (value) {
+				insetsController.show(WindowInsets.Type.systemBars())
+				insetsController.systemBarsBehavior = WindowInsetsController.BEHAVIOR_DEFAULT
+			} else {
+				insetsController.systemBarsBehavior = WindowInsetsController.BEHAVIOR_SHOW_TRANSIENT_BARS_BY_SWIPE
+				insetsController.hide(WindowInsets.Type.systemBars())
+			}
+		}
+	}
+
+	@Suppress("DEPRECATION")
+	private class LegacyImpl(window: Window) : SystemUiController(window) {
+
+		override fun setSystemUiVisible(value: Boolean) {
+			window.decorView.systemUiVisibility = if (value) {
+				View.SYSTEM_UI_FLAG_LAYOUT_STABLE or
+						View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION or
+						View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN
+			} else {
+				View.SYSTEM_UI_FLAG_LAYOUT_STABLE or
+						View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION or
+						View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN or
+						View.SYSTEM_UI_FLAG_HIDE_NAVIGATION or
+						View.SYSTEM_UI_FLAG_FULLSCREEN or
+						View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY
+			}
+		}
+	}
+
+	companion object {
+
+		operator fun invoke(window: Window): SystemUiController =
+			if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) {
+				Api30Impl(window)
+			} else {
+				LegacyImpl(window)
+			}
+	}
+}

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

@@ -139,39 +139,14 @@ class ChipsView @JvmOverloads constructor(
 		}
 	}
 
-	class ChipModel(
+	data class ChipModel(
 		@ColorRes val tint: Int,
 		val title: CharSequence,
 		@DrawableRes val icon: Int,
 		val isCheckable: Boolean,
 		val isChecked: Boolean,
 		val data: Any? = null,
-	) {
+	)
-
-		override fun equals(other: Any?): Boolean {
-			if (this === other) return true
-			if (javaClass != other?.javaClass) return false
-
-			other as ChipModel
-
-			if (tint != other.tint) return false
-			if (title != other.title) return false
-			if (icon != other.icon) return false
-			if (isCheckable != other.isCheckable) return false
-			if (isChecked != other.isChecked) return false
-			return data == other.data
-		}
-
-		override fun hashCode(): Int {
-			var result = tint.hashCode()
-			result = 31 * result + title.hashCode()
-			result = 31 * result + icon.hashCode()
-			result = 31 * result + isCheckable.hashCode()
-			result = 31 * result + isChecked.hashCode()
-			result = 31 * result + (data?.hashCode() ?: 0)
-			return result
-		}
-	}
 
 	fun interface OnChipClickListener {
 

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

@@ -5,6 +5,7 @@ import android.content.Context
 import android.util.AttributeSet
 import android.view.MotionEvent
 import androidx.viewpager.widget.ViewPager
+import org.koitharu.kotatsu.core.util.ext.printStackTraceDebug
 
 @SuppressLint("ClickableViewAccessibility")
 class EnhancedViewPager @JvmOverloads constructor(
@@ -25,6 +26,11 @@ class EnhancedViewPager @JvmOverloads constructor(
 	}
 
 	override fun onInterceptTouchEvent(event: MotionEvent): Boolean {
-		return isUserInputEnabled && super.onInterceptTouchEvent(event)
+		return try {
+			isUserInputEnabled && super.onInterceptTouchEvent(event)
+		} catch (e: IllegalArgumentException) {
+			e.printStackTraceDebug()
+			false
+		}
 	}
 }

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

@@ -118,27 +118,10 @@ class SegmentedBarView @JvmOverloads constructor(
 		segmentsSizes.add(w)
 	}
 
-	class Segment(
+	data class Segment(
 		@FloatRange(from = 0.0, to = 1.0) val percent: Float,
 		@ColorInt val color: Int,
-	) {
+	)
-
-		override fun equals(other: Any?): Boolean {
-			if (this === other) return true
-			if (javaClass != other?.javaClass) return false
-
-			other as Segment
-
-			if (percent != other.percent) return false
-			return color == other.color
-		}
-
-		override fun hashCode(): Int {
-			var result = percent.hashCode()
-			result = 31 * result + color
-			return result
-		}
-	}
 
 	private class OutlineProvider : ViewOutlineProvider() {
 		override fun getOutline(view: View, outline: Outline) {

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

@@ -65,6 +65,9 @@ class SlidingBottomNavigationView @JvmOverloads constructor(
 	}
 
 	fun show() {
+		if (currentState == STATE_UP) {
+			return
+		}
 		currentAnimator?.cancel()
 		clearAnimation()
 
@@ -77,6 +80,9 @@ class SlidingBottomNavigationView @JvmOverloads constructor(
 	}
 
 	fun hide() {
+		if (currentState == STATE_DOWN) {
+			return
+		}
 		currentAnimator?.cancel()
 		clearAnimation()
 
@@ -117,6 +123,7 @@ class SlidingBottomNavigationView @JvmOverloads constructor(
 	}
 
 	internal class SavedState : AbsSavedState {
+
 		var currentState = STATE_UP
 		var translationY = 0F
 

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

@@ -0,0 +1,38 @@
+package org.koitharu.kotatsu.core.ui.widgets
+
+import android.content.Context
+import android.util.AttributeSet
+import android.view.LayoutInflater
+import android.view.View
+import android.widget.LinearLayout
+import org.koitharu.kotatsu.R
+import org.koitharu.kotatsu.databinding.ViewZoomBinding
+
+class ZoomControl @JvmOverloads constructor(
+	context: Context,
+	attrs: AttributeSet? = null,
+) : LinearLayout(context, attrs), View.OnClickListener {
+
+	private val binding = ViewZoomBinding.inflate(LayoutInflater.from(context), this)
+
+	var listener: ZoomControlListener? = null
+
+	init {
+		binding.buttonZoomIn.setOnClickListener(this)
+		binding.buttonZoomOut.setOnClickListener(this)
+	}
+
+	override fun onClick(v: View) {
+		when (v.id) {
+			R.id.button_zoom_in -> listener?.onZoomIn()
+			R.id.button_zoom_out -> listener?.onZoomOut()
+		}
+	}
+
+	interface ZoomControlListener {
+
+		fun onZoomIn()
+
+		fun onZoomOut()
+	}
+}

app/src/main/kotlin/org/koitharu/kotatsu/core/util/CompositeMutex2.kt

@@ -0,0 +1,43 @@
+package org.koitharu.kotatsu.core.util
+
+import androidx.collection.ArrayMap
+import kotlinx.coroutines.sync.Mutex
+
+class CompositeMutex2<T : Any> : Set<T> {
+
+	private val delegates = ArrayMap<T, Mutex>()
+
+	override val size: Int
+		get() = delegates.size
+
+	override fun contains(element: T): Boolean {
+		return delegates.containsKey(element)
+	}
+
+	override fun containsAll(elements: Collection<T>): Boolean {
+		return elements.all { x -> delegates.containsKey(x) }
+	}
+
+	override fun isEmpty(): Boolean {
+		return delegates.isEmpty
+	}
+
+	override fun iterator(): Iterator<T> {
+		return delegates.keys.iterator()
+	}
+
+	suspend fun lock(element: T) {
+		val mutex = synchronized(delegates) {
+			delegates.getOrPut(element) {
+				Mutex()
+			}
+		}
+		mutex.lock()
+	}
+
+	fun unlock(element: T) {
+		synchronized(delegates) {
+			delegates.remove(element)?.unlock()
+		}
+	}
+}

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

@@ -12,7 +12,6 @@ import coil.request.SuccessResult
 import coil.util.CoilUtils
 import com.google.android.material.progressindicator.BaseProgressIndicator
 import org.koitharu.kotatsu.R
-import org.koitharu.kotatsu.browser.cloudflare.CaptchaNotifier
 import org.koitharu.kotatsu.core.ui.image.RegionBitmapDecoder
 import org.koitharu.kotatsu.core.util.progress.ImageRequestIndicatorListener
 import org.koitharu.kotatsu.parsers.model.MangaSource
@@ -29,7 +28,6 @@ fun ImageView.newImageRequest(lifecycleOwner: LifecycleOwner, data: Any?): Image
 		.data(data)
 		.lifecycle(lifecycleOwner)
 		.crossfade(context)
-		.addListener(CaptchaNotifier(context.applicationContext))
 		.target(this)
 }
 

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

@@ -16,8 +16,10 @@ import org.koitharu.kotatsu.R
 import org.koitharu.kotatsu.core.fs.FileSequence
 import java.io.File
 import java.io.FileFilter
+import java.nio.file.attribute.BasicFileAttributes
 import java.util.zip.ZipEntry
 import java.util.zip.ZipFile
+import kotlin.io.path.readAttributes
 
 fun File.subdir(name: String) = File(this, name).also {
 	if (!it.exists()) it.mkdirs()
@@ -99,3 +101,10 @@ private suspend fun SequenceScope<File>.listFilesRecursiveImpl(root: File, filte
 fun File.children() = FileSequence(this)
 
 fun Sequence<File>.filterWith(filter: FileFilter): Sequence<File> = filter { f -> filter.accept(f) }
+
+val File.creationTime
+	get() = if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
+		toPath().readAttributes<BasicFileAttributes>().creationTime().toMillis()
+	} else {
+		lastModified()
+	}

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

@@ -5,6 +5,8 @@ import kotlinx.coroutines.delay
 import kotlinx.coroutines.flow.Flow
 import kotlinx.coroutines.flow.StateFlow
 import kotlinx.coroutines.flow.combine
+import kotlinx.coroutines.flow.first
+import kotlinx.coroutines.flow.firstOrNull
 import kotlinx.coroutines.flow.flow
 import kotlinx.coroutines.flow.map
 import kotlinx.coroutines.flow.onCompletion
@@ -72,7 +74,7 @@ fun <T1, T2, T3, T4, T5, T6, R> combine(
 	flow4: Flow<T4>,
 	flow5: Flow<T5>,
 	flow6: Flow<T6>,
-	transform: suspend (T1, T2, T3, T4, T5, T6) -> R
+	transform: suspend (T1, T2, T3, T4, T5, T6) -> R,
 ): Flow<R> = combine(flow, flow2, flow3, flow4, flow5, flow6) { args: Array<*> ->
 	transform(
 		args[0] as T1,
@@ -83,3 +85,7 @@ fun <T1, T2, T3, T4, T5, T6, R> combine(
 		args[5] as T6,
 	)
 }
+
+suspend fun <T : Any> Flow<T?>.firstNotNull(): T = checkNotNull(first { x -> x != null })
+
+suspend fun <T : Any> Flow<T?>.firstNotNullOrNull(): T? = firstOrNull { x -> x != null }

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

@@ -27,6 +27,7 @@ import java.net.SocketTimeoutException
 import java.net.UnknownHostException
 
 private const val MSG_NO_SPACE_LEFT = "No space left on device"
+private const val IMAGE_FORMAT_NO_SUPPORTED = "Image format not supported"
 
 fun Throwable.getDisplayMessage(resources: Resources): String = when (this) {
 	is AuthRequiredException -> resources.getString(R.string.auth_required)
@@ -81,6 +82,7 @@ private fun getHttpDisplayMessage(statusCode: Int, resources: Resources): String
 private fun getDisplayMessage(msg: String?, resources: Resources): String? = when {
 	msg.isNullOrEmpty() -> null
 	msg.contains(MSG_NO_SPACE_LEFT) -> resources.getString(R.string.error_no_space_left)
+	msg.contains(IMAGE_FORMAT_NO_SUPPORTED) -> resources.getString(R.string.error_corrupted_file)
 	else -> null
 }
 

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

@@ -2,16 +2,18 @@ package org.koitharu.kotatsu.core.util.ext
 
 import android.app.Activity
 import android.graphics.Rect
+import android.os.Build
 import android.view.View
 import android.view.View.MeasureSpec
 import android.view.ViewGroup
-import android.view.ViewParent
 import android.view.inputmethod.InputMethodManager
 import android.widget.Checkable
-import android.widget.CompoundButton
 import androidx.core.view.children
+import androidx.core.view.descendants
+import androidx.core.view.isVisible
 import androidx.recyclerview.widget.RecyclerView
 import androidx.viewpager2.widget.ViewPager2
+import com.google.android.material.progressindicator.BaseProgressIndicator
 import com.google.android.material.slider.Slider
 import com.google.android.material.tabs.TabLayout
 import kotlin.math.roundToInt
@@ -88,23 +90,8 @@ fun Slider.setValueRounded(newValue: Float) {
 	value = roundedValue.coerceIn(valueFrom, valueTo)
 }
 
-fun <T : View> ViewGroup.findViewsByType(clazz: Class<T>): Sequence<T> {
-	if (childCount == 0) {
-		return emptySequence()
-	}
-	return sequence {
-		for (view in children) {
-			if (clazz.isInstance(view)) {
-				yield(clazz.cast(view)!!)
-			} else if (view is ViewGroup && view.childCount != 0) {
-				yieldAll(view.findViewsByType(clazz))
-			}
-		}
-	}
-}
-
 fun RecyclerView.invalidateNestedItemDecorations() {
-	findViewsByType(RecyclerView::class.java).forEach {
+	descendants.filterIsInstance<RecyclerView>().forEach {
 		it.invalidateItemDecorations()
 	}
 }
@@ -112,15 +99,6 @@ fun RecyclerView.invalidateNestedItemDecorations() {
 val View.parentView: ViewGroup?
 	get() = parent as? ViewGroup
 
-val View.parents: Sequence<ViewParent>
-	get() = sequence {
-		var p: ViewParent? = parent
-		while (p != null) {
-			yield(p)
-			p = p.parent
-		}
-	}
-
 fun View.measureDimension(desiredSize: Int, measureSpec: Int): Int {
 	var result: Int
 	val specMode = MeasureSpec.getMode(measureSpec)
@@ -155,3 +133,17 @@ fun TabLayout.setTabsEnabled(enabled: Boolean) {
 		getTabAt(i)?.view?.isEnabled = enabled
 	}
 }
+
+fun BaseProgressIndicator<*>.showOrHide(value: Boolean) {
+	if (value) {
+		if (!isVisible) show()
+	} else {
+		if (isVisible) hide()
+	}
+}
+
+fun View.setOnContextClickListenerCompat(listener: View.OnLongClickListener) {
+	if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
+		setOnContextClickListener(listener::onLongClick)
+	}
+}

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

@@ -1,8 +1,11 @@
 package org.koitharu.kotatsu.details.domain
 
 import kotlinx.coroutines.Dispatchers
-import kotlinx.coroutines.async
+import kotlinx.coroutines.flow.Flow
-import kotlinx.coroutines.coroutineScope
+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
@@ -23,24 +26,28 @@ class DoubleMangaLoadUseCase @Inject constructor(
 	private val recoverUseCase: RecoverMangaUseCase,
 ) {
 
-	suspend operator fun invoke(manga: Manga): DoubleManga = coroutineScope {
+	operator fun invoke(manga: Manga): Flow<DoubleManga> = flow {
-		val remoteDeferred = async(Dispatchers.Default) { loadRemote(manga) }
+		var lastValue: DoubleManga? = null
-		val localDeferred = async(Dispatchers.Default) { loadLocal(manga) }
+		var emitted = false
-		DoubleManga(
+		invokeImpl(manga).collect {
-			remoteManga = remoteDeferred.await(),
+			lastValue = it
-			localManga = localDeferred.await(),
+			if (it.any != null) {
-		)
+				emitted = true
+				emit(it)
 			}
+		}
+		if (!emitted) {
+			lastValue?.requireAny()
+		}
+	}.flowOn(Dispatchers.Default)
 
-	suspend operator fun invoke(mangaId: Long): DoubleManga {
+	operator fun invoke(mangaId: Long): Flow<DoubleManga> = flow {
-		val manga = mangaDataRepository.findMangaById(mangaId) ?: throwNFE()
+		emit(mangaDataRepository.findMangaById(mangaId) ?: throwNFE())
-		return invoke(manga)
+	}.flatMapLatest { invoke(it) }
-	}
 
-	suspend operator fun invoke(intent: MangaIntent): DoubleManga {
+	operator fun invoke(intent: MangaIntent): Flow<DoubleManga> = flow {
-		val manga = mangaDataRepository.resolveIntent(intent) ?: throwNFE()
+		emit(mangaDataRepository.resolveIntent(intent) ?: throwNFE())
-		return invoke(manga)
+	}.flatMapLatest { invoke(it) }
-	}
 
 	private suspend fun loadLocal(manga: Manga): Result<Manga>? {
 		return runCatchingCancellable {
@@ -70,5 +77,15 @@ class DoubleMangaLoadUseCase @Inject constructor(
 		}
 	}
 
+	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/model/DoubleManga.kt

@@ -1,5 +1,6 @@
 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
@@ -34,6 +35,10 @@ data class DoubleManga(
 		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) {

app/src/main/kotlin/org/koitharu/kotatsu/details/service/MangaPrefetchService.kt

@@ -5,8 +5,9 @@ import android.content.Intent
 import dagger.hilt.android.AndroidEntryPoint
 import dagger.hilt.android.EntryPointAccessors
 import org.koitharu.kotatsu.core.cache.ContentCache
+import org.koitharu.kotatsu.core.model.findById
+import org.koitharu.kotatsu.core.model.parcelable.ParcelableChapter
 import org.koitharu.kotatsu.core.model.parcelable.ParcelableManga
-import org.koitharu.kotatsu.core.model.parcelable.ParcelableMangaChapters
 import org.koitharu.kotatsu.core.parser.MangaRepository
 import org.koitharu.kotatsu.core.ui.CoroutineIntentService
 import org.koitharu.kotatsu.core.util.ext.getParcelableExtraCompat
@@ -34,12 +35,13 @@ class MangaPrefetchService : CoroutineIntentService() {
 	override suspend fun processIntent(startId: Int, intent: Intent) {
 		when (intent.action) {
 			ACTION_PREFETCH_DETAILS -> prefetchDetails(
-				manga = intent.getParcelableExtraCompat<ParcelableManga>(EXTRA_MANGA)?.manga ?: return,
+				manga = intent.getParcelableExtraCompat<ParcelableManga>(EXTRA_MANGA)?.manga
+					?: return,
 			)
 
 			ACTION_PREFETCH_PAGES -> prefetchPages(
-				chapter = intent.getParcelableExtraCompat<ParcelableMangaChapters>(EXTRA_CHAPTER)
+				chapter = intent.getParcelableExtraCompat<ParcelableChapter>(EXTRA_CHAPTER)?.chapter
-					?.chapters?.singleOrNull() ?: return,
+					?: return,
 			)
 
 			ACTION_PREFETCH_LAST -> prefetchLast()
@@ -71,7 +73,7 @@ class MangaPrefetchService : CoroutineIntentService() {
 		val chapter = if (history == null) {
 			chapters.firstOrNull()
 		} else {
-			chapters.find { x -> x.id == history.chapterId } ?: chapters.firstOrNull()
+			chapters.findById(history.chapterId) ?: chapters.firstOrNull()
 		} ?: return
 		runCatchingCancellable { repo.getPages(chapter) }
 	}
@@ -88,7 +90,7 @@ class MangaPrefetchService : CoroutineIntentService() {
 			if (!isPrefetchAvailable(context, manga.source)) return
 			val intent = Intent(context, MangaPrefetchService::class.java)
 			intent.action = ACTION_PREFETCH_DETAILS
-			intent.putExtra(EXTRA_MANGA, ParcelableManga(manga, withChapters = false))
+			intent.putExtra(EXTRA_MANGA, ParcelableManga(manga))
 			context.startService(intent)
 		}
 
@@ -96,7 +98,7 @@ class MangaPrefetchService : CoroutineIntentService() {
 			if (!isPrefetchAvailable(context, chapter.source)) return
 			val intent = Intent(context, MangaPrefetchService::class.java)
 			intent.action = ACTION_PREFETCH_PAGES
-			intent.putExtra(EXTRA_CHAPTER, ParcelableMangaChapters(listOf(chapter)))
+			intent.putExtra(EXTRA_CHAPTER, ParcelableChapter(chapter))
 			try {
 				context.startService(intent)
 			} catch (e: IllegalStateException) {
@@ -119,7 +121,10 @@ class MangaPrefetchService : CoroutineIntentService() {
 			if (context.isPowerSaveMode()) {
 				return false
 			}
-			val entryPoint = EntryPointAccessors.fromApplication(context, PrefetchCompanionEntryPoint::class.java)
+			val entryPoint = EntryPointAccessors.fromApplication(
+				context,
+				PrefetchCompanionEntryPoint::class.java,
+			)
 			return entryPoint.contentCache.isCachingEnabled && entryPoint.settings.isContentPrefetchEnabled
 		}
 	}

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

@@ -1,5 +1,7 @@
 package org.koitharu.kotatsu.details.ui
 
+import android.view.InputDevice
+import android.view.MotionEvent
 import android.view.View
 import android.view.View.OnLayoutChangeListener
 import androidx.activity.OnBackPressedCallback
@@ -12,7 +14,7 @@ class ChaptersBottomSheetMediator(
 	private val behavior: BottomSheetBehavior<*>,
 ) : OnBackPressedCallback(false),
 	ActionModeListener,
-	OnLayoutChangeListener {
+	OnLayoutChangeListener, View.OnGenericMotionListener {
 
 	private var lockCounter = 0
 
@@ -55,6 +57,20 @@ class ChaptersBottomSheetMediator(
 		}
 	}
 
+	override fun onGenericMotion(v: View?, event: MotionEvent): Boolean {
+		if (event.source and InputDevice.SOURCE_CLASS_POINTER != 0) {
+			if (event.actionMasked == MotionEvent.ACTION_SCROLL) {
+				if (event.getAxisValue(MotionEvent.AXIS_VSCROLL) < 0f) {
+					behavior.state = BottomSheetBehavior.STATE_COLLAPSED
+				} else {
+					behavior.state = BottomSheetBehavior.STATE_EXPANDED
+				}
+				return true
+			}
+		}
+		return false
+	}
+
 	fun lock() {
 		lockCounter++
 		behavior.isDraggable = lockCounter <= 0

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

@@ -49,6 +49,7 @@ import org.koitharu.kotatsu.core.util.ext.observe
 import org.koitharu.kotatsu.core.util.ext.observeEvent
 import org.koitharu.kotatsu.core.util.ext.setNavigationBarTransparentCompat
 import org.koitharu.kotatsu.core.util.ext.setNavigationIconSafe
+import org.koitharu.kotatsu.core.util.ext.setOnContextClickListenerCompat
 import org.koitharu.kotatsu.core.util.ext.textAndVisible
 import org.koitharu.kotatsu.databinding.ActivityDetailsBinding
 import org.koitharu.kotatsu.details.service.MangaPrefetchService
@@ -89,6 +90,7 @@ class DetailsActivity :
 		}
 		viewBinding.buttonRead.setOnClickListener(this)
 		viewBinding.buttonRead.setOnLongClickListener(this)
+		viewBinding.buttonRead.setOnContextClickListenerCompat(this)
 		viewBinding.buttonDropdown.setOnClickListener(this)
 		viewBadge = ViewBadge(viewBinding.buttonRead, this)
 
@@ -103,6 +105,7 @@ class DetailsActivity :
 			viewBinding.toolbarChapters?.setNavigationOnClickListener {
 				behavior.state = BottomSheetBehavior.STATE_COLLAPSED
 			}
+			viewBinding.toolbarChapters?.setOnGenericMotionListener(bsMediator)
 		} else {
 			chaptersMenuProvider = ChaptersMenuProvider(viewModel, null)
 			addMenuProvider(chaptersMenuProvider)
@@ -134,13 +137,19 @@ class DetailsActivity :
 			viewBinding.toolbarChapters?.subtitle = it
 			viewBinding.textViewSubtitle?.textAndVisible = it
 		}
-		viewModel.isChaptersReversed.observe(this, MenuInvalidator(viewBinding.toolbarChapters ?: this))
+		viewModel.isChaptersReversed.observe(
+			this,
+			MenuInvalidator(viewBinding.toolbarChapters ?: this)
+		)
 		viewModel.favouriteCategories.observe(this, MenuInvalidator(this))
 		viewModel.branches.observe(this) {
 			viewBinding.buttonDropdown.isVisible = it.size > 1
 		}
 		viewModel.chapters.observe(this, PrefetchObserver(this))
-		viewModel.onDownloadStarted.observeEvent(this, DownloadStartedObserver(viewBinding.containerDetails))
+		viewModel.onDownloadStarted.observeEvent(
+			this,
+			DownloadStartedObserver(viewBinding.containerDetails)
+		)
 
 		addMenuProvider(
 			DetailsMenuProvider(
@@ -243,7 +252,11 @@ class DetailsActivity :
 			right = insets.right,
 		)
 		if (insets.bottom > 0) {
-			window.setNavigationBarTransparentCompat(this, viewBinding.layoutBottom?.elevation ?: 0f, 0.9f)
+			window.setNavigationBarTransparentCompat(
+				this,
+				viewBinding.layoutBottom?.elevation ?: 0f,
+				0.9f
+			)
 		}
 		viewBinding.cardChapters?.updateLayoutParams<MarginLayoutParams> {
 			bottomMargin = insets.bottom + marginEnd
@@ -265,9 +278,18 @@ class DetailsActivity :
 		}
 		val text = when {
 			!info.isValid -> getString(R.string.loading_)
-			info.currentChapter >= 0 -> getString(R.string.chapter_d_of_d, info.currentChapter + 1, info.totalChapters)
+			info.currentChapter >= 0 -> getString(
+				R.string.chapter_d_of_d,
+				info.currentChapter + 1,
+				info.totalChapters
+			)
+
 			info.totalChapters == 0 -> getString(R.string.no_chapters)
-			else -> resources.getQuantityString(R.plurals.chapters, info.totalChapters, info.totalChapters)
+			else -> resources.getQuantityString(
+				R.plurals.chapters,
+				info.totalChapters,
+				info.totalChapters
+			)
 		}
 		viewBinding.toolbarChapters?.title = text
 		viewBinding.textViewTitle?.text = text
@@ -286,7 +308,12 @@ class DetailsActivity :
 				append(' ')
 				append(' ')
 				inSpans(
-					ForegroundColorSpan(v.context.getThemeColor(android.R.attr.textColorSecondary, Color.LTGRAY)),
+					ForegroundColorSpan(
+						v.context.getThemeColor(
+							android.R.attr.textColorSecondary,
+							Color.LTGRAY
+						)
+					),
 					RelativeSizeSpan(0.74f),
 				) {
 					append(branch.count.toString())
@@ -305,7 +332,8 @@ class DetailsActivity :
 		val manga = viewModel.manga.value ?: return
 		val chapterId = viewModel.historyInfo.value.history?.chapterId
 		if (chapterId != null && manga.chapters?.none { x -> x.id == chapterId } == true) {
-			val snackbar = makeSnackbar(getString(R.string.chapter_is_missing), Snackbar.LENGTH_SHORT)
+			val snackbar =
+				makeSnackbar(getString(R.string.chapter_is_missing), Snackbar.LENGTH_SHORT)
 			snackbar.show()
 		} else {
 			startActivity(
@@ -331,7 +359,10 @@ class DetailsActivity :
 		view.isVisible = isVisible
 	}
 
-	private fun makeSnackbar(text: CharSequence, @BaseTransientBottomBar.Duration duration: Int): Snackbar {
+	private fun makeSnackbar(
+		text: CharSequence,
+		@BaseTransientBottomBar.Duration duration: Int,
+	): Snackbar {
 		val sb = Snackbar.make(viewBinding.containerDetails, text, duration)
 		if (viewBinding.layoutBottom?.isVisible == true) {
 			sb.anchorView = viewBinding.toolbarChapters
@@ -369,7 +400,7 @@ class DetailsActivity :
 
 		fun newIntent(context: Context, manga: Manga): Intent {
 			return Intent(context, DetailsActivity::class.java)
-				.putExtra(MangaIntent.KEY_MANGA, ParcelableManga(manga, withChapters = true))
+				.putExtra(MangaIntent.KEY_MANGA, ParcelableManga(manga))
 		}
 
 		fun newIntent(context: Context, mangaId: Long): Intent {

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

@@ -43,6 +43,7 @@ import org.koitharu.kotatsu.core.util.ext.observe
 import org.koitharu.kotatsu.core.util.ext.parentView
 import org.koitharu.kotatsu.core.util.ext.resolveDp
 import org.koitharu.kotatsu.core.util.ext.scaleUpActivityOptionsOf
+import org.koitharu.kotatsu.core.util.ext.showOrHide
 import org.koitharu.kotatsu.core.util.ext.textAndVisible
 import org.koitharu.kotatsu.databinding.FragmentDetailsBinding
 import org.koitharu.kotatsu.details.ui.model.ChapterListItem
@@ -159,21 +160,22 @@ class DetailsFragment :
 			}
 
 			when (manga.state) {
-				MangaState.FINISHED -> {
+				MangaState.FINISHED -> infoLayout.textViewState.apply {
-					infoLayout.textViewState.apply {
 					textAndVisible = resources.getString(R.string.state_finished)
 					drawableTop = ContextCompat.getDrawable(context, R.drawable.ic_state_finished)
 				}
-				}
 
-				MangaState.ONGOING -> {
+				MangaState.ONGOING -> infoLayout.textViewState.apply {
-					infoLayout.textViewState.apply {
 					textAndVisible = resources.getString(R.string.state_ongoing)
 					drawableTop = ContextCompat.getDrawable(context, R.drawable.ic_state_ongoing)
 				}
+
+				MangaState.ABANDONED -> infoLayout.textViewState.apply {
+					textAndVisible = resources.getString(R.string.state_abandoned)
+					drawableTop = ContextCompat.getDrawable(context, R.drawable.ic_state_abandoned)
 				}
 
-				else -> infoLayout.textViewState.isVisible = false
+				null -> infoLayout.textViewState.isVisible = false
 			}
 			if (manga.source == MangaSource.LOCAL) {
 				infoLayout.textViewSource.isVisible = false
@@ -247,11 +249,7 @@ class DetailsFragment :
 	}
 
 	private fun onLoadingStateChanged(isLoading: Boolean) {
-		if (isLoading) {
+		requireViewBinding().progressBar.showOrHide(isLoading)
-			requireViewBinding().progressBar.show()
-		} else {
-			requireViewBinding().progressBar.hide()
-		}
 	}
 
 	private fun onBookmarksChanged(bookmarks: List<Bookmark>) {

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

@@ -42,6 +42,7 @@ 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.requireValue
 import org.koitharu.kotatsu.core.util.ext.sanitize
 import org.koitharu.kotatsu.core.util.ext.toFileOrNull
@@ -87,7 +88,8 @@ class DetailsViewModel @Inject constructor(
 
 	private val intent = MangaIntent(savedStateHandle)
 	private val mangaId = intent.mangaId
-	private val doubleManga: MutableStateFlow<DoubleManga?> = MutableStateFlow(intent.manga?.let { DoubleManga(it) })
+	private val doubleManga: MutableStateFlow<DoubleManga?> =
+		MutableStateFlow(intent.manga?.let { DoubleManga(it) })
 	private var loadingJob: Job
 
 	val onShowToast = MutableEventFlow<Int>()
@@ -202,7 +204,14 @@ class DetailsViewModel @Inject constructor(
 			bookmarks,
 			networkState,
 		) { manga, history, branch, news, bookmarks, isOnline ->
-			mapChapters(manga?.remote?.takeIf { isOnline }, manga?.local, history, news, branch, bookmarks)
+			mapChapters(
+				manga?.remote?.takeIf { isOnline },
+				manga?.local,
+				history,
+				news,
+				branch,
+				bookmarks,
+			)
 		},
 		isChaptersReversed,
 		chaptersQuery,
@@ -324,12 +333,15 @@ class DetailsViewModel @Inject constructor(
 	}
 
 	private fun doLoad() = launchLoadingJob(Dispatchers.Default) {
-		val result = doubleMangaLoadUseCase(intent)
+		doubleMangaLoadUseCase.invoke(intent)
-		val manga = result.requireAny()
+			.onFirst {
+				val manga = it.requireAny()
 				// find default branch
 				val hist = historyRepository.getOne(manga)
 				selectedBranch.value = manga.getPreferredBranch(hist)
-		doubleManga.value = result
+			}.collect {
+				doubleManga.value = it
+			}
 	}
 
 	private fun List<ChapterListItem>.filterSearch(query: String): List<ChapterListItem> {

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

@@ -4,7 +4,7 @@ import android.text.format.DateUtils
 import org.koitharu.kotatsu.list.ui.model.ListModel
 import org.koitharu.kotatsu.parsers.model.MangaChapter
 
-class ChapterListItem(
+data class ChapterListItem(
 	val chapter: MangaChapter,
 	val flags: Int,
 	private val uploadDateMs: Long,
@@ -66,24 +66,6 @@ class ChapterListItem(
 		}
 	}
 
-	override fun equals(other: Any?): Boolean {
-		if (this === other) return true
-		if (javaClass != other?.javaClass) return false
-
-		other as ChapterListItem
-
-		if (chapter != other.chapter) return false
-		if (flags != other.flags) return false
-		return uploadDateMs == other.uploadDateMs
-	}
-
-	override fun hashCode(): Int {
-		var result = chapter.hashCode()
-		result = 31 * result + flags
-		result = 31 * result + uploadDateMs.hashCode()
-		return result
-	}
-
 	companion object {
 
 		const val FLAG_UNREAD = 2

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

@@ -3,35 +3,14 @@ package org.koitharu.kotatsu.details.ui.model
 import org.koitharu.kotatsu.core.model.MangaHistory
 import org.koitharu.kotatsu.parsers.model.Manga
 
-class HistoryInfo(
+data class HistoryInfo(
 	val totalChapters: Int,
 	val currentChapter: Int,
 	val history: MangaHistory?,
 	val isIncognitoMode: Boolean,
 ) {
-
 	val isValid: Boolean
 		get() = totalChapters >= 0
-
-	override fun equals(other: Any?): Boolean {
-		if (this === other) return true
-		if (javaClass != other?.javaClass) return false
-
-		other as HistoryInfo
-
-		if (totalChapters != other.totalChapters) return false
-		if (currentChapter != other.currentChapter) return false
-		if (history != other.history) return false
-		return isIncognitoMode == other.isIncognitoMode
-	}
-
-	override fun hashCode(): Int {
-		var result = totalChapters
-		result = 31 * result + currentChapter
-		result = 31 * result + (history?.hashCode() ?: 0)
-		result = 31 * result + isIncognitoMode.hashCode()
-		return result
-	}
 }
 
 fun HistoryInfo(

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

@@ -3,7 +3,7 @@ package org.koitharu.kotatsu.details.ui.model
 import org.koitharu.kotatsu.list.ui.ListModelDiffCallback
 import org.koitharu.kotatsu.list.ui.model.ListModel
 
-class MangaBranch(
+data class MangaBranch(
 	val name: String?,
 	val count: Int,
 	val isSelected: Boolean,
@@ -21,24 +21,6 @@ class MangaBranch(
 		}
 	}
 
-	override fun equals(other: Any?): Boolean {
-		if (this === other) return true
-		if (javaClass != other?.javaClass) return false
-
-		other as MangaBranch
-
-		if (name != other.name) return false
-		if (count != other.count) return false
-		return isSelected == other.isSelected
-	}
-
-	override fun hashCode(): Int {
-		var result = name.hashCode()
-		result = 31 * result + count
-		result = 31 * result + isSelected.hashCode()
-		return result
-	}
-
 	override fun toString(): String {
 		return "$name: $count"
 	}

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

@@ -45,6 +45,6 @@ class RelatedMangaActivity : BaseActivity<ActivityContainerBinding>(), AppBarOwn
 	companion object {
 
 		fun newIntent(context: Context, seed: Manga) = Intent(context, RelatedMangaActivity::class.java)
-			.putExtra(MangaIntent.KEY_MANGA, ParcelableManga(seed, withChapters = false))
+			.putExtra(MangaIntent.KEY_MANGA, ParcelableManga(seed))
 	}
 }

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

@@ -5,7 +5,6 @@ import androidx.lifecycle.LifecycleOwner
 import coil.ImageLoader
 import com.hannesdorfmann.adapterdelegates4.dsl.adapterDelegateViewBinding
 import org.koitharu.kotatsu.R
-import org.koitharu.kotatsu.core.util.ext.disposeImageRequest
 import org.koitharu.kotatsu.core.util.ext.enqueueWith
 import org.koitharu.kotatsu.core.util.ext.newImageRequest
 import org.koitharu.kotatsu.databinding.ItemScrobblingInfoBinding
@@ -37,8 +36,4 @@ fun scrobblingInfoAD(
 			context.resources.getStringArray(R.array.scrobbling_statuses).getOrNull(it.ordinal)
 		}
 	}
-
-	onViewRecycled {
-		binding.imageViewCover.disposeImageRequest()
-	}
 }

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

@@ -8,7 +8,6 @@ import coil.ImageLoader
 import com.hannesdorfmann.adapterdelegates4.dsl.adapterDelegateViewBinding
 import org.koitharu.kotatsu.R
 import org.koitharu.kotatsu.core.ui.image.TrimTransformation
-import org.koitharu.kotatsu.core.util.ext.disposeImageRequest
 import org.koitharu.kotatsu.core.util.ext.enqueueWith
 import org.koitharu.kotatsu.core.util.ext.newImageRequest
 import org.koitharu.kotatsu.core.util.ext.source
@@ -135,8 +134,4 @@ fun downloadItemAD(
 			}
 		}
 	}
-
-	onViewRecycled {
-		binding.imageViewCover.disposeImageRequest()
-	}
 }

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

@@ -7,7 +7,7 @@ import org.koitharu.kotatsu.parsers.model.Manga
 import java.util.Date
 import java.util.UUID
 
-class DownloadItemModel(
+data class DownloadItemModel(
 	val id: UUID,
 	val workState: WorkInfo.State,
 	val isIndeterminate: Boolean,
@@ -64,38 +64,4 @@ class DownloadItemModel(
 			else -> super.getChangePayload(previousState)
 		}
 	}
-
-	override fun equals(other: Any?): Boolean {
-		if (this === other) return true
-		if (javaClass != other?.javaClass) return false
-
-		other as DownloadItemModel
-
-		if (id != other.id) return false
-		if (workState != other.workState) return false
-		if (isIndeterminate != other.isIndeterminate) return false
-		if (isPaused != other.isPaused) return false
-		if (manga != other.manga) return false
-		if (error != other.error) return false
-		if (max != other.max) return false
-		if (totalChapters != other.totalChapters) return false
-		if (progress != other.progress) return false
-		if (eta != other.eta) return false
-		return timestamp == other.timestamp
-	}
-
-	override fun hashCode(): Int {
-		var result = id.hashCode()
-		result = 31 * result + workState.hashCode()
-		result = 31 * result + isIndeterminate.hashCode()
-		result = 31 * result + isPaused.hashCode()
-		result = 31 * result + manga.hashCode()
-		result = 31 * result + (error?.hashCode() ?: 0)
-		result = 31 * result + max
-		result = 31 * result + totalChapters
-		result = 31 * result + progress
-		result = 31 * result + eta.hashCode()
-		result = 31 * result + timestamp.hashCode()
-		return result
-	}
 }

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

@@ -37,6 +37,7 @@ import okio.IOException
 import okio.buffer
 import okio.sink
 import org.koitharu.kotatsu.R
+import org.koitharu.kotatsu.core.exceptions.TooManyRequestExceptions
 import org.koitharu.kotatsu.core.network.CommonHeaders
 import org.koitharu.kotatsu.core.network.MangaHttpClient
 import org.koitharu.kotatsu.core.parser.MangaDataRepository
@@ -277,7 +278,12 @@ class DownloadWorker @AssistedInject constructor(
 					publishState(currentState.copy(isPaused = false, error = null))
 				} else {
 					countDown--
-					delay(DOWNLOAD_ERROR_DELAY)
+					val retryDelay = if (e is TooManyRequestExceptions) {
+						e.retryAfter + DOWNLOAD_ERROR_DELAY
+					} else {
+						DOWNLOAD_ERROR_DELAY
+					}
+					delay(retryDelay)
 				}
 			}
 		}

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

@@ -3,6 +3,7 @@ package org.koitharu.kotatsu.explore.data
 import androidx.room.withTransaction
 import dagger.Reusable
 import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.combine
 import kotlinx.coroutines.flow.distinctUntilChanged
 import kotlinx.coroutines.flow.flatMapLatest
 import kotlinx.coroutines.flow.map
@@ -11,12 +12,12 @@ import org.koitharu.kotatsu.core.db.MangaDatabase
 import org.koitharu.kotatsu.core.db.dao.MangaSourcesDao
 import org.koitharu.kotatsu.core.db.entity.MangaSourceEntity
 import org.koitharu.kotatsu.core.model.MangaSource
+import org.koitharu.kotatsu.core.model.isNsfw
 import org.koitharu.kotatsu.core.prefs.AppSettings
 import org.koitharu.kotatsu.core.prefs.observeAsFlow
 import org.koitharu.kotatsu.core.ui.util.ReversibleHandle
 import org.koitharu.kotatsu.parsers.model.ContentType
 import org.koitharu.kotatsu.parsers.model.MangaSource
-import org.koitharu.kotatsu.parsers.util.move
 import java.util.Collections
 import java.util.EnumSet
 import javax.inject.Inject
@@ -76,14 +77,6 @@ class MangaSourcesRepository @Inject constructor(
 		}
 	}
 
-	suspend fun setSourcesEnabled(sources: Iterable<MangaSource>, isEnabled: Boolean) {
-		db.withTransaction {
-			for (s in sources) {
-				dao.setEnabled(s.name, isEnabled)
-			}
-		}
-	}
-
 	suspend fun disableAllSources() {
 		db.withTransaction {
 			assimilateNewSources()
@@ -99,46 +92,20 @@ class MangaSourcesRepository @Inject constructor(
 		}
 	}
 
-	suspend fun setPosition(source: MangaSource, index: Int) {
+	fun observeNewSources(): Flow<Set<MangaSource>> = combine(
-		db.withTransaction {
+		dao.observeAll(),
-			val all = dao.findAll().toMutableList()
+		observeIsNsfwDisabled(),
-			val sourceIndex = all.indexOfFirst { x -> x.source == source.name }
+	) { entities, skipNsfw ->
-			if (sourceIndex !in all.indices) {
-				val entity = MangaSourceEntity(
-					source = source.name,
-					isEnabled = false,
-					sortKey = index,
-				)
-				all.add(index, entity)
-				dao.upsert(entity)
-			} else {
-				all.move(sourceIndex, index)
-			}
-			for ((i, e) in all.withIndex()) {
-				if (e.sortKey != i) {
-					dao.setSortKey(e.source, i)
-				}
-			}
-		}
-	}
-
-	fun observeNewSources(): Flow<Set<MangaSource>> = dao.observeAll().map { entities ->
 		val result = EnumSet.copyOf(remoteSources)
 		for (e in entities) {
 			result.remove(MangaSource(e.source))
 		}
+		if (skipNsfw) {
+			result.removeAll { x -> x.isNsfw() }
+		}
 		result
 	}.distinctUntilChanged()
 
-	suspend fun getNewSources(): Set<MangaSource> {
-		val entities = dao.findAll()
-		val result = EnumSet.copyOf(remoteSources)
-		for (e in entities) {
-			result.remove(MangaSource(e.source))
-		}
-		return result
-	}
-
 	suspend fun assimilateNewSources(): Set<MangaSource> {
 		val new = getNewSources()
 		if (new.isEmpty()) {
@@ -153,6 +120,9 @@ class MangaSourcesRepository @Inject constructor(
 			)
 		}
 		dao.insertIfAbsent(entities)
+		if (settings.isNsfwContentDisabled) {
+			new.removeAll { x -> x.isNsfw() }
+		}
 		return new
 	}
 
@@ -160,6 +130,15 @@ class MangaSourcesRepository @Inject constructor(
 		return dao.findAll().isEmpty()
 	}
 
+	private suspend fun getNewSources(): MutableSet<MangaSource> {
+		val entities = dao.findAll()
+		val result = EnumSet.copyOf(remoteSources)
+		for (e in entities) {
+			result.remove(MangaSource(e.source))
+		}
+		return result
+	}
+
 	private fun List<MangaSourceEntity>.toSources(skipNsfwSources: Boolean): List<MangaSource> {
 		val result = ArrayList<MangaSource>(size)
 		for (entity in this) {

app/src/main/kotlin/org/koitharu/kotatsu/explore/ui/ExploreFragment.kt

@@ -7,6 +7,7 @@ import android.view.MenuItem
 import android.view.View
 import android.view.ViewGroup
 import androidx.appcompat.widget.PopupMenu
+import androidx.core.content.pm.ShortcutManagerCompat
 import androidx.core.graphics.Insets
 import androidx.core.view.updatePadding
 import androidx.fragment.app.viewModels
@@ -15,9 +16,11 @@ import androidx.recyclerview.widget.LinearLayoutManager
 import androidx.recyclerview.widget.RecyclerView
 import coil.ImageLoader
 import dagger.hilt.android.AndroidEntryPoint
+import kotlinx.coroutines.launch
 import org.koitharu.kotatsu.R
 import org.koitharu.kotatsu.bookmarks.ui.BookmarksActivity
 import org.koitharu.kotatsu.core.exceptions.resolve.SnackbarErrorObserver
+import org.koitharu.kotatsu.core.os.AppShortcutManager
 import org.koitharu.kotatsu.core.ui.BaseFragment
 import org.koitharu.kotatsu.core.ui.dialog.TwoButtonsAlertDialog
 import org.koitharu.kotatsu.core.ui.list.OnListItemClickListener
@@ -28,6 +31,7 @@ import org.koitharu.kotatsu.core.ui.widgets.TipView
 import org.koitharu.kotatsu.core.util.ext.addMenuProvider
 import org.koitharu.kotatsu.core.util.ext.observe
 import org.koitharu.kotatsu.core.util.ext.observeEvent
+import org.koitharu.kotatsu.core.util.ext.viewLifecycleScope
 import org.koitharu.kotatsu.databinding.FragmentExploreBinding
 import org.koitharu.kotatsu.details.ui.DetailsActivity
 import org.koitharu.kotatsu.download.ui.list.DownloadsActivity
@@ -55,6 +59,9 @@ class ExploreFragment :
 	@Inject
 	lateinit var coil: ImageLoader
 
+	@Inject
+	lateinit var shortcutManager: AppShortcutManager
+
 	private val viewModel by viewModels<ExploreViewModel>()
 	private var exploreAdapter: ExploreAdapter? = null
 
@@ -141,6 +148,8 @@ class ExploreFragment :
 	override fun onItemLongClick(item: MangaSourceItem, view: View): Boolean {
 		val menu = PopupMenu(view.context, view)
 		menu.inflate(R.menu.popup_source)
+		menu.menu.findItem(R.id.action_shortcut)
+			?.isVisible = ShortcutManagerCompat.isRequestPinShortcutSupported(view.context)
 		menu.setOnMenuItemClickListener(SourceMenuListener(item))
 		menu.show()
 		return true
@@ -195,6 +204,12 @@ class ExploreFragment :
 					viewModel.hideSource(sourceItem.source)
 				}
 
+				R.id.action_shortcut -> {
+					viewLifecycleScope.launch {
+						shortcutManager.requestPinShortcut(sourceItem.source)
+					}
+				}
+
 				else -> return false
 			}
 			return true

app/src/main/kotlin/org/koitharu/kotatsu/explore/ui/adapter/ExploreAdapterDelegates.kt

@@ -12,11 +12,11 @@ import org.koitharu.kotatsu.core.ui.image.FaviconDrawable
 import org.koitharu.kotatsu.core.ui.image.TrimTransformation
 import org.koitharu.kotatsu.core.ui.list.AdapterDelegateClickListenerAdapter
 import org.koitharu.kotatsu.core.ui.list.OnListItemClickListener
-import org.koitharu.kotatsu.core.util.ext.disposeImageRequest
 import org.koitharu.kotatsu.core.util.ext.enqueueWith
 import org.koitharu.kotatsu.core.util.ext.getThemeColor
 import org.koitharu.kotatsu.core.util.ext.newImageRequest
 import org.koitharu.kotatsu.core.util.ext.resolveDp
+import org.koitharu.kotatsu.core.util.ext.setOnContextClickListenerCompat
 import org.koitharu.kotatsu.core.util.ext.source
 import org.koitharu.kotatsu.core.util.ext.textAndVisible
 import org.koitharu.kotatsu.databinding.ItemExploreButtonsBinding
@@ -45,7 +45,12 @@ fun exploreButtonsAD(
 		if (item.isRandomLoading) {
 			val icon = CircularProgressDrawable(context)
 			icon.strokeWidth = context.resources.resolveDp(2f)
-			icon.setColorSchemeColors(context.getThemeColor(materialR.attr.colorPrimary, Color.DKGRAY))
+			icon.setColorSchemeColors(
+				context.getThemeColor(
+					materialR.attr.colorPrimary,
+					Color.DKGRAY
+				)
+			)
 			binding.buttonRandom.icon = icon
 			icon.start()
 		} else {
@@ -82,10 +87,6 @@ fun exploreRecommendationItemAD(
 			enqueueWith(coil)
 		}
 	}
-
-	onViewRecycled {
-		binding.imageViewCover.disposeImageRequest()
-	}
 }
 
 fun exploreSourceListItemAD(
@@ -93,7 +94,13 @@ fun exploreSourceListItemAD(
 	listener: OnListItemClickListener<MangaSourceItem>,
 	lifecycleOwner: LifecycleOwner,
 ) = adapterDelegateViewBinding<MangaSourceItem, ListModel, ItemExploreSourceListBinding>(
-	{ layoutInflater, parent -> ItemExploreSourceListBinding.inflate(layoutInflater, parent, false) },
+	{ layoutInflater, parent ->
+		ItemExploreSourceListBinding.inflate(
+			layoutInflater,
+			parent,
+			false
+		)
+	},
 	on = { item, _, _ -> item is MangaSourceItem && !item.isGrid },
 ) {
 
@@ -101,6 +108,7 @@ fun exploreSourceListItemAD(
 
 	binding.root.setOnClickListener(eventListener)
 	binding.root.setOnLongClickListener(eventListener)
+	binding.root.setOnContextClickListenerCompat(eventListener)
 
 	bind {
 		binding.textViewTitle.text = item.source.title
@@ -113,10 +121,6 @@ fun exploreSourceListItemAD(
 			enqueueWith(coil)
 		}
 	}
-
-	onViewRecycled {
-		binding.imageViewIcon.disposeImageRequest()
-	}
 }
 
 fun exploreSourceGridItemAD(
@@ -124,7 +128,13 @@ fun exploreSourceGridItemAD(
 	listener: OnListItemClickListener<MangaSourceItem>,
 	lifecycleOwner: LifecycleOwner,
 ) = adapterDelegateViewBinding<MangaSourceItem, ListModel, ItemExploreSourceGridBinding>(
-	{ layoutInflater, parent -> ItemExploreSourceGridBinding.inflate(layoutInflater, parent, false) },
+	{ layoutInflater, parent ->
+		ItemExploreSourceGridBinding.inflate(
+			layoutInflater,
+			parent,
+			false
+		)
+	},
 	on = { item, _, _ -> item is MangaSourceItem && item.isGrid },
 ) {
 
@@ -132,6 +142,7 @@ fun exploreSourceGridItemAD(
 
 	binding.root.setOnClickListener(eventListener)
 	binding.root.setOnLongClickListener(eventListener)
+	binding.root.setOnContextClickListenerCompat(eventListener)
 
 	bind {
 		binding.textViewTitle.text = item.source.title
@@ -144,8 +155,4 @@ fun exploreSourceGridItemAD(
 			enqueueWith(coil)
 		}
 	}
-
-	onViewRecycled {
-		binding.imageViewIcon.disposeImageRequest()
-	}
 }

app/src/main/kotlin/org/koitharu/kotatsu/explore/ui/model/ExploreButtons.kt

@@ -2,24 +2,11 @@ package org.koitharu.kotatsu.explore.ui.model
 
 import org.koitharu.kotatsu.list.ui.model.ListModel
 
-class ExploreButtons(
+data class ExploreButtons(
 	val isRandomLoading: Boolean,
 ) : ListModel {
 
 	override fun areItemsTheSame(other: ListModel): Boolean {
 		return other is ExploreButtons
 	}
-
-	override fun equals(other: Any?): Boolean {
-		if (this === other) return true
-		if (javaClass != other?.javaClass) return false
-
-		other as ExploreButtons
-
-		return isRandomLoading == other.isRandomLoading
-	}
-
-	override fun hashCode(): Int {
-		return isRandomLoading.hashCode()
-	}
 }

app/src/main/kotlin/org/koitharu/kotatsu/explore/ui/model/MangaSourceItem.kt

@@ -3,7 +3,7 @@ package org.koitharu.kotatsu.explore.ui.model
 import org.koitharu.kotatsu.list.ui.model.ListModel
 import org.koitharu.kotatsu.parsers.model.MangaSource
 
-class MangaSourceItem(
+data class MangaSourceItem(
 	val source: MangaSource,
 	val isGrid: Boolean,
 ) : ListModel {
@@ -11,20 +11,4 @@ class MangaSourceItem(
 	override fun areItemsTheSame(other: ListModel): Boolean {
 		return other is MangaSourceItem && other.source == source
 	}
-
-	override fun equals(other: Any?): Boolean {
-		if (this === other) return true
-		if (javaClass != other?.javaClass) return false
-
-		other as MangaSourceItem
-
-		if (source != other.source) return false
-		return isGrid == other.isGrid
-	}
-
-	override fun hashCode(): Int {
-		var result = source.hashCode()
-		result = 31 * result + isGrid.hashCode()
-		return result
-	}
 }

app/src/main/kotlin/org/koitharu/kotatsu/explore/ui/model/RecommendationsItem.kt

@@ -6,7 +6,6 @@ import org.koitharu.kotatsu.parsers.model.Manga
 data class RecommendationsItem(
 	val manga: Manga
 ) : ListModel {
-
 	val summary: String = manga.tags.joinToString { it.title }
 
 	override fun areItemsTheSame(other: ListModel): Boolean {

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

@@ -3,31 +3,10 @@ package org.koitharu.kotatsu.favourites.domain.model
 import org.koitharu.kotatsu.parsers.model.MangaSource
 import org.koitharu.kotatsu.parsers.util.find
 
-class Cover(
+data class Cover(
 	val url: String,
 	val source: String,
 ) {
-
 	val mangaSource: MangaSource?
 		get() = if (source.isEmpty()) null else MangaSource.entries.find(source)
-
-	override fun equals(other: Any?): Boolean {
-		if (this === other) return true
-		if (javaClass != other?.javaClass) return false
-
-		other as Cover
-
-		if (url != other.url) return false
-		return source == other.source
-	}
-
-	override fun hashCode(): Int {
-		var result = url.hashCode()
-		result = 31 * result + source.hashCode()
-		return result
-	}
-
-	override fun toString(): String {
-		return "Cover(url='$url', source=$source)"
-	}
 }

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

@@ -21,6 +21,7 @@ import org.koitharu.kotatsu.core.ui.list.ListSelectionController
 import org.koitharu.kotatsu.core.util.ext.observe
 import org.koitharu.kotatsu.core.util.ext.observeEvent
 import org.koitharu.kotatsu.databinding.ActivityCategoriesBinding
+import org.koitharu.kotatsu.favourites.ui.FavouritesActivity
 import org.koitharu.kotatsu.favourites.ui.categories.adapter.CategoriesAdapter
 import org.koitharu.kotatsu.favourites.ui.categories.edit.FavouritesCategoryEditActivity
 import org.koitharu.kotatsu.list.ui.adapter.ListStateHolderListener
@@ -66,7 +67,7 @@ class FavouriteCategoriesActivity :
 			attachToRecyclerView(viewBinding.recyclerView)
 		}
 
-		viewModel.categories.observe(this, ::onCategoriesChanged)
+		viewModel.content.observe(this, ::onCategoriesChanged)
 		viewModel.onError.observeEvent(this, SnackbarErrorObserver(viewBinding.recyclerView, null))
 	}
 
@@ -77,6 +78,14 @@ class FavouriteCategoriesActivity :
 	}
 
 	override fun onItemClick(item: FavouriteCategory, view: View) {
+		if (selectionController.onItemClick(item.id)) {
+			return
+		}
+		val intent = FavouritesActivity.newIntent(view.context, item)
+		startActivity(intent)
+	}
+
+	override fun onEditClick(item: FavouriteCategory, view: View) {
 		if (selectionController.onItemClick(item.id)) {
 			return
 		}
@@ -112,8 +121,8 @@ class FavouriteCategoriesActivity :
 		)
 	}
 
-	private fun onCategoriesChanged(categories: List<ListModel>) {
+	private suspend fun onCategoriesChanged(categories: List<ListModel>) {
-		adapter.items = categories
+		adapter.emit(categories)
 		invalidateOptionsMenu()
 	}
 
@@ -128,7 +137,14 @@ class FavouriteCategoriesActivity :
 			recyclerView: RecyclerView,
 			viewHolder: RecyclerView.ViewHolder,
 			target: RecyclerView.ViewHolder,
-		): Boolean = viewHolder.itemViewType == target.itemViewType
+		): Boolean {
+			if (viewHolder.itemViewType != target.itemViewType) {
+				return false
+			}
+			val fromPos = viewHolder.bindingAdapterPosition
+			val toPos = target.bindingAdapterPosition
+			return fromPos != toPos && fromPos != RecyclerView.NO_POSITION && toPos != RecyclerView.NO_POSITION
+		}
 
 		override fun canDropOver(
 			recyclerView: RecyclerView,
@@ -153,7 +169,8 @@ class FavouriteCategoriesActivity :
 
 		override fun onSelectedChanged(viewHolder: RecyclerView.ViewHolder?, actionState: Int) {
 			super.onSelectedChanged(viewHolder, actionState)
-			viewBinding.recyclerView.isNestedScrollingEnabled = actionState == ItemTouchHelper.ACTION_STATE_IDLE
+			viewBinding.recyclerView.isNestedScrollingEnabled =
+				actionState == ItemTouchHelper.ACTION_STATE_IDLE
 		}
 	}
 

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

@@ -1,5 +1,6 @@
 package org.koitharu.kotatsu.favourites.ui.categories
 
+import android.view.View
 import androidx.recyclerview.widget.RecyclerView
 import org.koitharu.kotatsu.core.model.FavouriteCategory
 import org.koitharu.kotatsu.core.ui.list.OnListItemClickListener
@@ -7,4 +8,6 @@ import org.koitharu.kotatsu.core.ui.list.OnListItemClickListener
 interface FavouriteCategoriesListListener : OnListItemClickListener<FavouriteCategory> {
 
 	fun onDragHandleTouch(holder: RecyclerView.ViewHolder): Boolean
+
+	fun onEditClick(item: FavouriteCategory, view: View)
 }

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

@@ -1,23 +1,25 @@
 package org.koitharu.kotatsu.favourites.ui.categories
 
-import androidx.lifecycle.viewModelScope
 import dagger.hilt.android.lifecycle.HiltViewModel
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.Job
-import kotlinx.coroutines.flow.SharingStarted
+import kotlinx.coroutines.cancelAndJoin
-import kotlinx.coroutines.flow.map
+import kotlinx.coroutines.delay
-import kotlinx.coroutines.flow.stateIn
+import kotlinx.coroutines.flow.MutableStateFlow
-import kotlinx.coroutines.plus
+import kotlinx.coroutines.flow.collectLatest
+import kotlinx.coroutines.yield
 import org.koitharu.kotatsu.R
 import org.koitharu.kotatsu.core.model.FavouriteCategory
 import org.koitharu.kotatsu.core.prefs.AppSettings
 import org.koitharu.kotatsu.core.ui.BaseViewModel
 import org.koitharu.kotatsu.core.util.ext.requireValue
 import org.koitharu.kotatsu.favourites.domain.FavouritesRepository
+import org.koitharu.kotatsu.favourites.domain.model.Cover
 import org.koitharu.kotatsu.favourites.ui.categories.adapter.CategoryListModel
 import org.koitharu.kotatsu.list.ui.model.EmptyState
+import org.koitharu.kotatsu.list.ui.model.ListModel
 import org.koitharu.kotatsu.list.ui.model.LoadingState
-import java.util.Collections
+import org.koitharu.kotatsu.parsers.util.move
 import javax.inject.Inject
 
 @HiltViewModel
@@ -26,11 +28,69 @@ class FavouritesCategoriesViewModel @Inject constructor(
 	private val settings: AppSettings,
 ) : BaseViewModel() {
 
-	private var reorderJob: Job? = null
+	private var commitJob: Job? = null
 
-	val categories = repository.observeCategoriesWithCovers()
+	val content = MutableStateFlow<List<ListModel>>(listOf(LoadingState))
-		.map { list ->
+
-			list.map { (category, covers) ->
+	init {
+		launchJob(Dispatchers.Default) {
+			repository.observeCategoriesWithCovers()
+				.collectLatest {
+					commitJob?.join()
+					updateContent(it)
+				}
+		}
+	}
+
+	fun deleteCategories(ids: Set<Long>) {
+		launchJob(Dispatchers.Default) {
+			repository.removeCategories(ids)
+		}
+	}
+
+	fun setAllCategoriesVisible(isVisible: Boolean) {
+		settings.isAllFavouritesVisible = isVisible
+	}
+
+	fun isEmpty(): Boolean = content.value.none { it is CategoryListModel }
+
+	fun reorderCategories(oldPos: Int, newPos: Int) {
+		val snapshot = content.requireValue().toMutableList()
+		snapshot.move(oldPos, newPos)
+		content.value = snapshot
+		commit(snapshot)
+	}
+
+	fun setIsVisible(ids: Set<Long>, isVisible: Boolean) {
+		launchJob(Dispatchers.Default) {
+			for (id in ids) {
+				repository.updateCategory(id, isVisible)
+			}
+		}
+	}
+
+	fun getCategories(ids: Set<Long>): ArrayList<FavouriteCategory> {
+		val items = content.requireValue()
+		return items.mapNotNullTo(ArrayList(ids.size)) { item ->
+			(item as? CategoryListModel)?.category?.takeIf { it.id in ids }
+		}
+	}
+
+	private fun commit(snapshot: List<ListModel>) {
+		val prevJob = commitJob
+		commitJob = launchJob {
+			prevJob?.cancelAndJoin()
+			delay(500)
+			val ids = snapshot.mapNotNullTo(ArrayList(snapshot.size)) {
+				(it as? CategoryListModel)?.category?.id
+			}
+			repository.reorderCategories(ids)
+			yield()
+		}
+	}
+
+	private fun updateContent(categories: Map<FavouriteCategory, List<Cover>>) {
+		content.value = categories.map { (category, covers) ->
 			CategoryListModel(
 				mangaCount = covers.size,
 				covers = covers.take(3),
@@ -47,46 +107,5 @@ class FavouritesCategoriesViewModel @Inject constructor(
 				),
 			)
 		}
-		}.stateIn(viewModelScope + Dispatchers.Default, SharingStarted.Eagerly, listOf(LoadingState))
-
-	fun deleteCategories(ids: Set<Long>) {
-		launchJob(Dispatchers.Default) {
-			repository.removeCategories(ids)
-		}
-	}
-
-	fun setAllCategoriesVisible(isVisible: Boolean) {
-		settings.isAllFavouritesVisible = isVisible
-	}
-
-	fun isEmpty(): Boolean = categories.value.none { it is CategoryListModel }
-
-	fun reorderCategories(oldPos: Int, newPos: Int) {
-		val prevJob = reorderJob
-		reorderJob = launchJob(Dispatchers.Default) {
-			prevJob?.join()
-			val items = categories.requireValue()
-			val ids = items.mapNotNullTo(ArrayList(items.size)) {
-				(it as? CategoryListModel)?.category?.id
-			}
-			Collections.swap(ids, oldPos, newPos)
-			ids.remove(0L)
-			repository.reorderCategories(ids)
-		}
-	}
-
-	fun setIsVisible(ids: Set<Long>, isVisible: Boolean) {
-		launchJob(Dispatchers.Default) {
-			for (id in ids) {
-				repository.updateCategory(id, isVisible)
-			}
-		}
-	}
-
-	fun getCategories(ids: Set<Long>): ArrayList<FavouriteCategory> {
-		val items = categories.requireValue()
-		return items.mapNotNullTo(ArrayList(ids.size)) { item ->
-			(item as? CategoryListModel)?.category?.takeIf { it.id in ids }
-		}
 	}
 }

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

@@ -18,8 +18,8 @@ class CategoriesAdapter(
 ) : BaseListAdapter<ListModel>() {
 
 	init {
-		addDelegate(ListItemType.CATEGORY_LARGE ,categoryAD(coil, lifecycleOwner, onItemClickListener))
+		addDelegate(ListItemType.CATEGORY_LARGE, categoryAD(coil, lifecycleOwner, onItemClickListener))
-		addDelegate(ListItemType.STATE_EMPTY ,emptyStateListAD(coil, lifecycleOwner, listListener))
+		addDelegate(ListItemType.STATE_EMPTY, emptyStateListAD(coil, lifecycleOwner, listListener))
-		addDelegate(ListItemType.STATE_LOADING ,loadingStateAD())
+		addDelegate(ListItemType.STATE_LOADING, loadingStateAD())
 	}
 }

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

@@ -16,7 +16,6 @@ import androidx.lifecycle.LifecycleOwner
 import coil.ImageLoader
 import com.hannesdorfmann.adapterdelegates4.dsl.adapterDelegateViewBinding
 import org.koitharu.kotatsu.R
-import org.koitharu.kotatsu.core.util.ext.disposeImageRequest
 import org.koitharu.kotatsu.core.util.ext.enqueueWith
 import org.koitharu.kotatsu.core.util.ext.getAnimationDuration
 import org.koitharu.kotatsu.core.util.ext.getThemeColor
@@ -35,8 +34,13 @@ fun categoryAD(
 	{ inflater, parent -> ItemCategoryBinding.inflate(inflater, parent, false) },
 ) {
 	val eventListener = object : OnClickListener, OnLongClickListener, OnTouchListener {
-		override fun onClick(v: View) = clickListener.onItemClick(item.category, itemView)
+		override fun onClick(v: View) = if (v.id == R.id.imageView_edit) {
-		override fun onLongClick(v: View) = clickListener.onItemLongClick(item.category, itemView)
+			clickListener.onEditClick(item.category, v)
+		} else {
+			clickListener.onItemClick(item.category, v)
+		}
+
+		override fun onLongClick(v: View) = clickListener.onItemLongClick(item.category, v)
 		override fun onTouch(v: View?, event: MotionEvent): Boolean = event.actionMasked == MotionEvent.ACTION_DOWN &&
 			clickListener.onDragHandleTouch(this@adapterDelegateViewBinding)
 	}
@@ -58,6 +62,7 @@ fun categoryAD(
 	val crossFadeDuration = context.getAnimationDuration(R.integer.config_defaultAnimTime).toInt()
 	itemView.setOnClickListener(eventListener)
 	itemView.setOnLongClickListener(eventListener)
+	binding.imageViewEdit.setOnClickListener(eventListener)
 	binding.imageViewHandle.setOnTouchListener(eventListener)
 
 	bind { payloads ->
@@ -89,10 +94,4 @@ fun categoryAD(
 			}
 		}
 	}
-
-	onViewRecycled {
-		coverViews.forEach {
-			it.disposeImageRequest()
-		}
-	}
 }

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

@@ -46,4 +46,8 @@ class CategoryListModel(
 		result = 31 * result + category.isVisibleInLibrary.hashCode()
 		return result
 	}
+
+	override fun toString(): String {
+		return "CategoryListModel(categoryId=${category.id})"
+	}
 }

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

@@ -76,10 +76,7 @@ class FavouriteSheet :
 				putParcelableArrayList(
 					KEY_MANGA_LIST,
 					manga.mapTo(ArrayList(manga.size)) {
-						ParcelableManga(
+						ParcelableManga(it)
-							it,
-							withChapters = false,
-						)
 					},
 				)
 			}.showDistinct(fm, TAG)

app/src/main/kotlin/org/koitharu/kotatsu/favourites/ui/container/FavouriteTabModel.kt

@@ -2,7 +2,7 @@ package org.koitharu.kotatsu.favourites.ui.container
 
 import org.koitharu.kotatsu.list.ui.model.ListModel
 
-class FavouriteTabModel(
+data class FavouriteTabModel(
 	val id: Long,
 	val title: String,
 ) : ListModel {
@@ -10,20 +10,4 @@ class FavouriteTabModel(
 	override fun areItemsTheSame(other: ListModel): Boolean {
 		return other is FavouriteTabModel && other.id == id
 	}
-
-	override fun equals(other: Any?): Boolean {
-		if (this === other) return true
-		if (javaClass != other?.javaClass) return false
-
-		other as FavouriteTabModel
-
-		if (id != other.id) return false
-		return title == other.title
-	}
-
-	override fun hashCode(): Int {
-		var result = id.hashCode()
-		result = 31 * result + title.hashCode()
-		return result
-	}
 }

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

@@ -131,7 +131,7 @@ class FilterCoordinator @Inject constructor(
 		observeState(),
 		observeAvailableTags(),
 	) { state, available ->
-		val chips = createChipsList(state, available.orEmpty())
+		val chips = createChipsList(state, available.orEmpty(), 8)
 		FilterHeaderModel(chips, state.sortOrder, state.tags.isNotEmpty())
 	}
 
@@ -157,11 +157,16 @@ class FilterCoordinator @Inject constructor(
 	private suspend fun createChipsList(
 		filterState: FilterState,
 		availableTags: Set<MangaTag>,
+		limit: Int,
 	): List<ChipsView.ChipModel> {
 		val selectedTags = filterState.tags.toMutableSet()
-		var tags = searchRepository.getTagsSuggestion("", 6, repository.source)
+		var tags = if (selectedTags.isEmpty()) {
-		if (tags.isEmpty()) {
+			searchRepository.getTagsSuggestion("", limit, repository.source)
-			tags = availableTags.take(6)
+		} else {
+			searchRepository.getTagsSuggestion(selectedTags).take(limit)
+		}
+		if (tags.size < limit) {
+			tags = tags + availableTags.take(limit - tags.size)
 		}
 		if (tags.isEmpty() && selectedTags.isEmpty()) {
 			return emptyList()
@@ -263,30 +268,11 @@ class FilterCoordinator @Inject constructor(
 		return result
 	}
 
-	private class TagsWrapper(
+	private data class TagsWrapper(
 		val tags: Set<MangaTag>,
 		val isLoading: Boolean,
 		val isError: Boolean,
-	) {
+	)
-
-		override fun equals(other: Any?): Boolean {
-			if (this === other) return true
-			if (javaClass != other?.javaClass) return false
-
-			other as TagsWrapper
-
-			if (tags != other.tags) return false
-			if (isLoading != other.isLoading) return false
-			return isError == other.isError
-		}
-
-		override fun hashCode(): Int {
-			var result = tags.hashCode()
-			result = 31 * result + isLoading.hashCode()
-			result = 31 * result + isError.hashCode()
-			return result
-		}
-	}
 
 	private class TagTitleComparator(lc: String?) : Comparator<MangaTag> {
 

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

@@ -8,7 +8,7 @@ import org.koitharu.kotatsu.parsers.model.SortOrder
 
 sealed interface FilterItem : ListModel {
 
-	class Sort(
+	data class Sort(
 		val order: SortOrder,
 		val isSelected: Boolean,
 	) : FilterItem {
@@ -24,25 +24,9 @@ sealed interface FilterItem : ListModel {
 				super.getChangePayload(previousState)
 			}
 		}
-
-		override fun equals(other: Any?): Boolean {
-			if (this === other) return true
-			if (javaClass != other?.javaClass) return false
-
-			other as Sort
-
-			if (order != other.order) return false
-			return isSelected == other.isSelected
 	}
 
-		override fun hashCode(): Int {
+	data class Tag(
-			var result = order.hashCode()
-			result = 31 * result + isSelected.hashCode()
-			return result
-		}
-	}
-
-	class Tag(
 		val tag: MangaTag,
 		val isChecked: Boolean,
 	) : FilterItem {
@@ -58,43 +42,14 @@ sealed interface FilterItem : ListModel {
 				super.getChangePayload(previousState)
 			}
 		}
-
-		override fun equals(other: Any?): Boolean {
-			if (this === other) return true
-			if (javaClass != other?.javaClass) return false
-
-			other as Tag
-
-			if (tag != other.tag) return false
-			return isChecked == other.isChecked
 	}
 
-		override fun hashCode(): Int {
+	data class Error(
-			var result = tag.hashCode()
-			result = 31 * result + isChecked.hashCode()
-			return result
-		}
-	}
-
-	class Error(
 		@StringRes val textResId: Int,
 	) : FilterItem {
 
 		override fun areItemsTheSame(other: ListModel): Boolean {
 			return other is Error && textResId == other.textResId
 		}
-
-		override fun equals(other: Any?): Boolean {
-			if (this === other) return true
-			if (javaClass != other?.javaClass) return false
-
-			other as Error
-
-			return textResId == other.textResId
-		}
-
-		override fun hashCode(): Int {
-			return textResId
-		}
 	}
 }

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

@@ -3,24 +3,7 @@ package org.koitharu.kotatsu.filter.ui.model
 import org.koitharu.kotatsu.parsers.model.MangaTag
 import org.koitharu.kotatsu.parsers.model.SortOrder
 
-class FilterState(
+data class FilterState(
 	val sortOrder: SortOrder?,
 	val tags: Set<MangaTag>,
-) {
+)
-
-	override fun equals(other: Any?): Boolean {
-		if (this === other) return true
-		if (javaClass != other?.javaClass) return false
-
-		other as FilterState
-
-		if (sortOrder != other.sortOrder) return false
-		return tags == other.tags
-	}
-
-	override fun hashCode(): Int {
-		var result = sortOrder?.hashCode() ?: 0
-		result = 31 * result + tags.hashCode()
-		return result
-	}
-}

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

@@ -14,6 +14,7 @@ import org.koitharu.kotatsu.core.db.entity.toManga
 import org.koitharu.kotatsu.core.db.entity.toMangaTag
 import org.koitharu.kotatsu.core.db.entity.toMangaTags
 import org.koitharu.kotatsu.core.model.MangaHistory
+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
@@ -107,7 +108,7 @@ class HistoryRepository @Inject constructor(
 				),
 			)
 			trackingRepository.syncWithHistory(manga, chapterId)
-			val chapter = manga.chapters?.find { x -> x.id == chapterId }
+			val chapter = manga.chapters?.findById(chapterId)
 			if (chapter != null) {
 				scrobblers.forEach { it.tryScrobble(manga.id, chapter) }
 			}
@@ -181,7 +182,7 @@ class HistoryRepository @Inject constructor(
 
 	private suspend fun HistoryEntity.recoverIfNeeded(manga: Manga): HistoryEntity {
 		val chapters = manga.chapters
-		if (chapters.isNullOrEmpty() || chapters.any { it.id == chapterId }) {
+		if (chapters.isNullOrEmpty() || chapters.findById(chapterId) != null) {
 			return this
 		}
 		val newChapterId = chapters.getOrNull(

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

@@ -34,6 +34,9 @@ abstract class MangaListViewModel(
 	)
 	val onDownloadStarted = MutableEventFlow<Unit>()
 
+	val isIncognitoModeEnabled: Boolean
+		get() = settings.isIncognitoModeEnabled
+
 	open fun onUpdateFilter(tags: Set<MangaTag>) = Unit
 
 	abstract fun onRefresh()

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

@@ -3,7 +3,6 @@ package org.koitharu.kotatsu.list.ui.adapter
 import androidx.lifecycle.LifecycleOwner
 import coil.ImageLoader
 import com.hannesdorfmann.adapterdelegates4.dsl.adapterDelegateViewBinding
-import org.koitharu.kotatsu.core.util.ext.disposeImageRequest
 import org.koitharu.kotatsu.core.util.ext.enqueueWith
 import org.koitharu.kotatsu.core.util.ext.newImageRequest
 import org.koitharu.kotatsu.core.util.ext.setTextAndVisible
@@ -27,8 +26,4 @@ fun emptyHintAD(
 		binding.textSecondary.setTextAndVisible(item.textSecondary)
 		binding.buttonRetry.setTextAndVisible(item.actionStringRes)
 	}
-
-	onViewRecycled {
-		binding.icon.disposeImageRequest()
-	}
 }

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

@@ -3,7 +3,6 @@ package org.koitharu.kotatsu.list.ui.adapter
 import androidx.lifecycle.LifecycleOwner
 import coil.ImageLoader
 import com.hannesdorfmann.adapterdelegates4.dsl.adapterDelegateViewBinding
-import org.koitharu.kotatsu.core.util.ext.disposeImageRequest
 import org.koitharu.kotatsu.core.util.ext.enqueueWith
 import org.koitharu.kotatsu.core.util.ext.newImageRequest
 import org.koitharu.kotatsu.core.util.ext.setTextAndVisible
@@ -31,8 +30,4 @@ fun emptyStateListAD(
 			binding.buttonRetry.setTextAndVisible(item.actionStringRes)
 		}
 	}
-
-	onViewRecycled {
-		binding.icon.disposeImageRequest()
-	}
 }

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

@@ -25,4 +25,5 @@ enum class ListItemType {
 	DOWNLOAD,
 	CATEGORY_LARGE,
 	MANGA_SCROBBLING,
+	NAV_ITEM,
 }

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

@@ -1,5 +1,6 @@
 package org.koitharu.kotatsu.list.ui.adapter
 
+import android.view.View
 import androidx.lifecycle.LifecycleOwner
 import coil.ImageLoader
 import com.google.android.material.badge.BadgeDrawable
@@ -8,12 +9,11 @@ import org.koitharu.kotatsu.R
 import org.koitharu.kotatsu.core.ui.image.CoverSizeResolver
 import org.koitharu.kotatsu.core.ui.image.TrimTransformation
 import org.koitharu.kotatsu.core.ui.list.OnListItemClickListener
-import org.koitharu.kotatsu.core.util.ext.disposeImageRequest
 import org.koitharu.kotatsu.core.util.ext.enqueueWith
 import org.koitharu.kotatsu.core.util.ext.newImageRequest
+import org.koitharu.kotatsu.core.util.ext.setOnContextClickListenerCompat
 import org.koitharu.kotatsu.core.util.ext.source
 import org.koitharu.kotatsu.databinding.ItemMangaGridBinding
-import org.koitharu.kotatsu.history.data.PROGRESS_NONE
 import org.koitharu.kotatsu.list.ui.ListModelDiffCallback
 import org.koitharu.kotatsu.list.ui.model.ListModel
 import org.koitharu.kotatsu.list.ui.model.MangaGridModel
@@ -30,12 +30,13 @@ fun mangaGridItemAD(
 ) {
 	var badge: BadgeDrawable? = null
 
-	itemView.setOnClickListener {
+	val eventListener = object : View.OnClickListener, View.OnLongClickListener {
-		clickListener.onItemClick(item.manga, it)
+		override fun onClick(v: View) = clickListener.onItemClick(item.manga, v)
-	}
+		override fun onLongClick(v: View): Boolean = clickListener.onItemLongClick(item.manga, v)
-	itemView.setOnLongClickListener {
-		clickListener.onItemLongClick(item.manga, it)
 	}
+	itemView.setOnClickListener(eventListener)
+	itemView.setOnLongClickListener(eventListener)
+	itemView.setOnContextClickListenerCompat(eventListener)
 	sizeResolver.attachToView(lifecycleOwner, itemView, binding.textViewTitle, binding.progressView)
 
 	bind { payloads ->
@@ -54,11 +55,4 @@ fun mangaGridItemAD(
 		}
 		badge = itemView.bindBadge(badge, item.counter)
 	}
-
-	onViewRecycled {
-		itemView.clearBadge(badge)
-		binding.progressView.percent = PROGRESS_NONE
-		badge = null
-		binding.imageViewCover.disposeImageRequest()
-	}
 }

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

@@ -11,13 +11,12 @@ import org.koitharu.kotatsu.R
 import org.koitharu.kotatsu.core.ui.image.CoverSizeResolver
 import org.koitharu.kotatsu.core.ui.image.TrimTransformation
 import org.koitharu.kotatsu.core.ui.widgets.ChipsView
-import org.koitharu.kotatsu.core.util.ext.disposeImageRequest
 import org.koitharu.kotatsu.core.util.ext.enqueueWith
 import org.koitharu.kotatsu.core.util.ext.newImageRequest
+import org.koitharu.kotatsu.core.util.ext.setOnContextClickListenerCompat
 import org.koitharu.kotatsu.core.util.ext.source
 import org.koitharu.kotatsu.core.util.ext.textAndVisible
 import org.koitharu.kotatsu.databinding.ItemMangaListDetailsBinding
-import org.koitharu.kotatsu.history.data.PROGRESS_NONE
 import org.koitharu.kotatsu.list.ui.ListModelDiffCallback
 import org.koitharu.kotatsu.list.ui.model.ListModel
 import org.koitharu.kotatsu.list.ui.model.MangaListDetailedModel
@@ -47,6 +46,7 @@ fun mangaListDetailedItemAD(
 	}
 	itemView.setOnClickListener(listenerAdapter)
 	itemView.setOnLongClickListener(listenerAdapter)
+	itemView.setOnContextClickListenerCompat(listenerAdapter)
 	binding.buttonRead.setOnClickListener(listenerAdapter)
 	binding.chipsTags.onChipClickListener = listenerAdapter
 
@@ -73,11 +73,4 @@ fun mangaListDetailedItemAD(
 		binding.ratingBar.rating = binding.ratingBar.numStars * item.manga.rating
 		badge = itemView.bindBadge(badge, item.counter)
 	}
-
-	onViewRecycled {
-		itemView.clearBadge(badge)
-		binding.progressView.percent = PROGRESS_NONE
-		badge = null
-		binding.imageViewCover.disposeImageRequest()
-	}
 }

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

@@ -1,5 +1,6 @@
 package org.koitharu.kotatsu.list.ui.adapter
 
+import android.view.View
 import androidx.lifecycle.LifecycleOwner
 import coil.ImageLoader
 import com.google.android.material.badge.BadgeDrawable
@@ -7,9 +8,9 @@ import com.hannesdorfmann.adapterdelegates4.dsl.adapterDelegateViewBinding
 import org.koitharu.kotatsu.R
 import org.koitharu.kotatsu.core.ui.image.TrimTransformation
 import org.koitharu.kotatsu.core.ui.list.OnListItemClickListener
-import org.koitharu.kotatsu.core.util.ext.disposeImageRequest
 import org.koitharu.kotatsu.core.util.ext.enqueueWith
 import org.koitharu.kotatsu.core.util.ext.newImageRequest
+import org.koitharu.kotatsu.core.util.ext.setOnContextClickListenerCompat
 import org.koitharu.kotatsu.core.util.ext.source
 import org.koitharu.kotatsu.core.util.ext.textAndVisible
 import org.koitharu.kotatsu.databinding.ItemMangaListBinding
@@ -26,12 +27,13 @@ fun mangaListItemAD(
 ) {
 	var badge: BadgeDrawable? = null
 
-	itemView.setOnClickListener {
+	val eventListener = object : View.OnClickListener, View.OnLongClickListener {
-		clickListener.onItemClick(item.manga, it)
+		override fun onClick(v: View) = clickListener.onItemClick(item.manga, v)
-	}
+		override fun onLongClick(v: View): Boolean = clickListener.onItemLongClick(item.manga, v)
-	itemView.setOnLongClickListener {
-		clickListener.onItemLongClick(item.manga, it)
 	}
+	itemView.setOnClickListener(eventListener)
+	itemView.setOnLongClickListener(eventListener)
+	itemView.setOnContextClickListenerCompat(eventListener)
 
 	bind {
 		binding.textViewTitle.text = item.title
@@ -48,10 +50,4 @@ fun mangaListItemAD(
 		}
 		badge = itemView.bindBadge(badge, item.counter)
 	}
-
-	onViewRecycled {
-		itemView.clearBadge(badge)
-		badge = null
-		binding.imageViewCover.disposeImageRequest()
-	}
 }

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

@@ -13,34 +13,39 @@ class TypedListSpacingDecoration(
 ) : ItemDecoration() {
 
 	private val spacingSmall = context.resources.getDimensionPixelOffset(R.dimen.list_spacing_small)
-	private val spacingNormal = context.resources.getDimensionPixelOffset(R.dimen.list_spacing_normal)
+	private val spacingNormal =
+		context.resources.getDimensionPixelOffset(R.dimen.list_spacing_normal)
 	private val spacingLarge = context.resources.getDimensionPixelOffset(R.dimen.list_spacing_large)
 
 	override fun getItemOffsets(
 		outRect: Rect,
 		view: View,
 		parent: RecyclerView,
-		state: RecyclerView.State
+		state: RecyclerView.State,
 	) {
 		val itemType = parent.getChildViewHolder(view)?.itemViewType?.let {
 			ListItemType.entries.getOrNull(it)
 		}
 		when (itemType) {
 			ListItemType.FILTER_SORT,
-			ListItemType.FILTER_TAG -> outRect.set(0)
+			ListItemType.FILTER_TAG,
+			-> outRect.set(0)
 
 			ListItemType.HEADER,
 			ListItemType.FEED,
 			ListItemType.EXPLORE_SOURCE_LIST,
 			ListItemType.MANGA_SCROBBLING,
-			ListItemType.MANGA_LIST -> outRect.set(0)
+			ListItemType.MANGA_LIST,
+			-> outRect.set(0)
 
 			ListItemType.DOWNLOAD,
 			ListItemType.HINT_EMPTY,
-			ListItemType.MANGA_LIST_DETAILED -> outRect.set(spacingNormal)
+			ListItemType.MANGA_LIST_DETAILED,
+			-> outRect.set(spacingNormal)
 
 			ListItemType.PAGE_THUMB,
-			ListItemType.MANGA_GRID -> outRect.set(spacingNormal)
+			ListItemType.MANGA_GRID,
+			-> outRect.set(spacingNormal)
 
 			ListItemType.EXPLORE_BUTTONS -> outRect.set(spacingNormal)
 
@@ -53,7 +58,9 @@ class TypedListSpacingDecoration(
 			ListItemType.EXPLORE_SUGGESTION,
 			ListItemType.MANGA_NESTED_GROUP,
 			ListItemType.CATEGORY_LARGE,
-			null -> outRect.set(0)
+			ListItemType.NAV_ITEM,
+			null,
+			-> outRect.set(0)
 
 			ListItemType.TIP -> outRect.set(0) // TODO
 		}

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

@@ -53,11 +53,11 @@ class LocalStorageManager @Inject constructor(
 	}
 
 	suspend fun computeStorageSize() = withContext(Dispatchers.IO) {
-		getAvailableStorageDirs().sumOf { it.computeSize() }
+		getConfiguredStorageDirs().sumOf { it.computeSize() }
 	}
 
 	suspend fun computeAvailableSize() = runInterruptible(Dispatchers.IO) {
-		getAvailableStorageDirs().mapToSet { it.freeSpace }.sum()
+		getConfiguredStorageDirs().mapToSet { it.freeSpace }.sum()
 	}
 
 	suspend fun clearCache(cache: CacheDir) = runInterruptible(Dispatchers.IO) {