Option to retry captcha resolving

Currently translated at 100.0% (476 of 476 strings)

Co-authored-by: Koitharu <nvasya95@gmail.com>
Translate-URL: https://hosted.weblate.org/projects/kotatsu/strings/ru/
Translation: Kotatsu/Strings

app/build.gradle

@@ -16,8 +16,8 @@ android {
 		applicationId 'org.koitharu.kotatsu'
 		minSdk = 21
 		targetSdk = 34
-		versionCode = 573
-		versionName = '6.0'
+		versionCode = 576
+		versionName = '6.0.3'
 		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:2f7e704e21') {
 		exclude group: 'org.json', module: 'json'
 	}
 

app/src/main/AndroidManifest.xml

@@ -139,6 +139,7 @@
 		<activity
 			android:name="org.koitharu.kotatsu.browser.cloudflare.CloudFlareActivity"
 			android:configChanges="orientation|screenSize|screenLayout|keyboardHidden"
+			android:autoRemoveFromRecents="true"
 			android:windowSoftInputMode="adjustResize" />
 		<activity
 			android:name="org.koitharu.kotatsu.settings.sources.auth.SourceAuthActivity"
@@ -148,13 +149,21 @@
 			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" />

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/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 (!manager.areNotificationsEnabled()) {
+		if (!context.checkNotificationPermission()) {
 			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
@@ -13,6 +14,7 @@ import androidx.core.view.isVisible
 import androidx.core.view.updatePadding
 import dagger.hilt.android.AndroidEntryPoint
 import okhttp3.Headers
+import okhttp3.HttpUrl
 import okhttp3.HttpUrl.Companion.toHttpUrlOrNull
 import org.koitharu.kotatsu.R
 import org.koitharu.kotatsu.browser.WebViewBackPressedCallback
@@ -38,7 +40,13 @@ 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 +94,11 @@ 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 +117,16 @@ class CloudFlareActivity : BaseActivity<ActivityBrowserBinding>(), CloudFlareCal
 			true
 		}
 
+		R.id.action_retry -> {
+			viewBinding.webView.stopLoading()
+			val targetUrl = intent?.dataString?.toHttpUrlOrNull()
+			if (targetUrl != null) {
+				clearCfCookies(targetUrl)
+				viewBinding.webView.loadUrl(targetUrl.toString())
+			}
+			true
+		}
+
 		else -> super.onOptionsItemSelected(item)
 	}
 
@@ -141,7 +164,15 @@ 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 fun clearCfCookies(url: HttpUrl) {
+		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
@@ -26,6 +25,7 @@ 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
@@ -47,7 +47,7 @@ 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()
 		}

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/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

@@ -48,10 +48,10 @@ 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 +61,11 @@ 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/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
@@ -31,13 +32,16 @@ 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()

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
@@ -57,12 +58,14 @@ 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)) {
-				toRemove += key
+				if (predicate == null || predicate.test(cookie.cookie)) {
+					toRemove += key
+				}
 			}
 		}
 		if (toRemove.isNotEmpty()) {

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/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/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
-		showSystemUI()
-	}
-
-	protected fun hideSystemUI() {
-		insetsControllerCompat.hide(WindowInsetsCompat.Type.systemBars())
-	}
-
-	protected fun showSystemUI() {
-		insetsControllerCompat.show(WindowInsetsCompat.Type.systemBars())
+		// insetsControllerCompat.systemBarsBehavior = WindowInsetsControllerCompat.BEHAVIOR_SHOW_TRANSIENT_BARS_BY_SWIPE
+		systemUiController.setSystemUiVisible(true)
 	}
 }

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
-		if (javaClass != other?.javaClass) return false
-
-		other as TrimTransformation
-
-		return tolerance == other.tolerance
+		return this === other || (other is TrimTransformation && other.tolerance == tolerance)
 	}
 
 	override fun hashCode(): Int {

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/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/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/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/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/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/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/ui/adapter/ExploreAdapterDelegates.kt

@@ -12,7 +12,6 @@ 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
@@ -82,10 +81,6 @@ fun exploreRecommendationItemAD(
 			enqueueWith(coil)
 		}
 	}
-
-	onViewRecycled {
-		binding.imageViewCover.disposeImageRequest()
-	}
 }
 
 fun exploreSourceListItemAD(
@@ -113,10 +108,6 @@ fun exploreSourceListItemAD(
 			enqueueWith(coil)
 		}
 	}
-
-	onViewRecycled {
-		binding.imageViewIcon.disposeImageRequest()
-	}
 }
 
 fun exploreSourceGridItemAD(
@@ -144,8 +135,4 @@ 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>) {
-		adapter.items = categories
+	private suspend fun onCategoriesChanged(categories: List<ListModel>) {
+		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 +1,22 @@
 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.flow.map
-import kotlinx.coroutines.flow.stateIn
-import kotlinx.coroutines.plus
+import kotlinx.coroutines.flow.MutableStateFlow
+import kotlinx.coroutines.flow.collectLatest
 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
@@ -28,26 +27,17 @@ class FavouritesCategoriesViewModel @Inject constructor(
 
 	private var reorderJob: Job? = null
 
-	val categories = repository.observeCategoriesWithCovers()
-		.map { list ->
-			list.map { (category, covers) ->
-				CategoryListModel(
-					mangaCount = covers.size,
-					covers = covers.take(3),
-					category = category,
-					isTrackerEnabled = settings.isTrackerEnabled && AppSettings.TRACK_FAVOURITES in settings.trackSources,
-				)
-			}.ifEmpty {
-				listOf(
-					EmptyState(
-						icon = R.drawable.ic_empty_favourites,
-						textPrimary = R.string.text_empty_holder_primary,
-						textSecondary = R.string.empty_favourite_categories,
-						actionStringRes = 0,
-					),
-				)
-			}
-		}.stateIn(viewModelScope + Dispatchers.Default, SharingStarted.Eagerly, listOf(LoadingState))
+	val content = MutableStateFlow<List<ListModel>>(listOf(LoadingState))
+
+	init {
+		launchJob(Dispatchers.Default) {
+			repository.observeCategoriesWithCovers()
+				.collectLatest {
+					reorderJob?.join()
+					updateContent(it)
+				}
+		}
+	}
 
 	fun deleteCategories(ids: Set<Long>) {
 		launchJob(Dispatchers.Default) {
@@ -59,18 +49,18 @@ class FavouritesCategoriesViewModel @Inject constructor(
 		settings.isAllFavouritesVisible = isVisible
 	}
 
-	fun isEmpty(): Boolean = categories.value.none { it is CategoryListModel }
+	fun isEmpty(): Boolean = content.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)) {
+			val snapshot = content.requireValue().toMutableList()
+			snapshot.move(oldPos, newPos)
+			content.value = snapshot
+			val ids = snapshot.mapNotNullTo(ArrayList(snapshot.size)) {
 				(it as? CategoryListModel)?.category?.id
 			}
-			Collections.swap(ids, oldPos, newPos)
-			ids.remove(0L)
 			repository.reorderCategories(ids)
 		}
 	}
@@ -84,9 +74,29 @@ class FavouritesCategoriesViewModel @Inject constructor(
 	}
 
 	fun getCategories(ids: Set<Long>): ArrayList<FavouriteCategory> {
-		val items = categories.requireValue()
+		val items = content.requireValue()
 		return items.mapNotNullTo(ArrayList(ids.size)) { item ->
 			(item as? CategoryListModel)?.category?.takeIf { it.id in ids }
 		}
 	}
+
+	private fun updateContent(categories: Map<FavouriteCategory, List<Cover>>) {
+		content.value = categories.map { (category, covers) ->
+			CategoryListModel(
+				mangaCount = covers.size,
+				covers = covers.take(3),
+				category = category,
+				isTrackerEnabled = settings.isTrackerEnabled && AppSettings.TRACK_FAVOURITES in settings.trackSources,
+			)
+		}.ifEmpty {
+			listOf(
+				EmptyState(
+					icon = R.drawable.ic_empty_favourites,
+					textPrimary = R.string.text_empty_holder_primary,
+					textSecondary = R.string.empty_favourite_categories,
+					actionStringRes = 0,
+				),
+			)
+		}
+	}
 }

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.STATE_EMPTY ,emptyStateListAD(coil, lifecycleOwner, listListener))
-		addDelegate(ListItemType.STATE_LOADING ,loadingStateAD())
+		addDelegate(ListItemType.CATEGORY_LARGE, categoryAD(coil, lifecycleOwner, onItemClickListener))
+		addDelegate(ListItemType.STATE_EMPTY, emptyStateListAD(coil, lifecycleOwner, listListener))
+		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 onLongClick(v: View) = clickListener.onItemLongClick(item.category, itemView)
+		override fun onClick(v: View) = if (v.id == R.id.imageView_edit) {
+			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/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

@@ -263,30 +263,11 @@ 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 {
-			var result = order.hashCode()
-			result = 31 * result + isSelected.hashCode()
-			return result
-		}
 	}
 
-	class Tag(
+	data 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 {
-			var result = tag.hashCode()
-			result = 31 * result + isChecked.hashCode()
-			return result
-		}
 	}
 
-	class Error(
+	data 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/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/MangaGridItemAD.kt

@@ -8,12 +8,10 @@ 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.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
@@ -54,11 +52,4 @@ 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 +11,11 @@ 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.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.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
@@ -73,11 +71,4 @@ 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

@@ -7,7 +7,6 @@ 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.source
@@ -48,10 +47,4 @@ fun mangaListItemAD(
 		}
 		badge = itemView.bindBadge(badge, item.counter)
 	}
-
-	onViewRecycled {
-		itemView.clearBadge(badge)
-		badge = null
-		binding.imageViewCover.disposeImageRequest()
-	}
 }

app/src/main/kotlin/org/koitharu/kotatsu/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) {

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

@@ -5,6 +5,7 @@ import androidx.core.net.toUri
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.runInterruptible
 import org.koitharu.kotatsu.core.util.AlphanumComparator
+import org.koitharu.kotatsu.core.util.ext.creationTime
 import org.koitharu.kotatsu.core.util.ext.listFilesRecursive
 import org.koitharu.kotatsu.core.util.ext.longHashCode
 import org.koitharu.kotatsu.core.util.ext.toListSorted
@@ -62,7 +63,7 @@ class LocalMangaDirInput(root: File) : LocalMangaInput(root) {
 					name = f.nameWithoutExtension.toHumanReadable(),
 					number = i + 1,
 					source = MangaSource.LOCAL,
-					uploadDate = f.lastModified(),
+					uploadDate = f.creationTime,
 					url = f.toUri().toString(),
 					scanlator = null,
 					branch = null,
@@ -77,7 +78,7 @@ class LocalMangaDirInput(root: File) : LocalMangaInput(root) {
 			largeCoverUrl = null,
 			description = null,
 		)
-		LocalManga(root, manga)
+		LocalManga(manga, root)
 	}
 
 	override suspend fun getMangaInfo(): Manga? = runInterruptible(Dispatchers.IO) {

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

@@ -94,7 +94,7 @@ class LocalMangaZipInput(root: File) : LocalMangaInput(root) {
 				)
 			}
 		}
-		return LocalManga(root, manga)
+		return LocalManga(manga, root)
 	}
 
 	override suspend fun getMangaInfo(): Manga? = runInterruptible(Dispatchers.IO) {

app/src/main/kotlin/org/koitharu/kotatsu/local/domain/model/LocalManga.kt

@@ -2,22 +2,21 @@ package org.koitharu.kotatsu.local.domain.model
 
 import androidx.core.net.toFile
 import androidx.core.net.toUri
+import org.koitharu.kotatsu.core.util.ext.creationTime
 import org.koitharu.kotatsu.parsers.model.Manga
 import org.koitharu.kotatsu.parsers.model.MangaTag
 import java.io.File
 
-class LocalManga(
-	val file: File,
+data class LocalManga(
 	val manga: Manga,
+	val file: File = manga.url.toUri().toFile(),
 ) {
 
-	constructor(manga: Manga) : this(manga.url.toUri().toFile(), manga)
-
 	var createdAt: Long = -1L
 		private set
 		get() {
 			if (field == -1L) {
-				field = file.lastModified()
+				field = file.creationTime
 			}
 			return field
 		}
@@ -31,22 +30,6 @@ class LocalManga(
 		return manga.tags.containsAll(tags)
 	}
 
-	override fun equals(other: Any?): Boolean {
-		if (this === other) return true
-		if (javaClass != other?.javaClass) return false
-
-		other as LocalManga
-
-		if (manga != other.manga) return false
-		return file == other.file
-	}
-
-	override fun hashCode(): Int {
-		var result = manga.hashCode()
-		result = 31 * result + file.hashCode()
-		return result
-	}
-
 	override fun toString(): String {
 		return "LocalManga(${file.path}: ${manga.title})"
 	}

app/src/main/kotlin/org/koitharu/kotatsu/main/domain/CoverRestoreInterceptor.kt

@@ -1,64 +1,65 @@
 package org.koitharu.kotatsu.main.domain
 
 import androidx.collection.ArraySet
-import androidx.lifecycle.coroutineScope
-import coil.EventListener
-import coil.ImageLoader
+import coil.intercept.Interceptor
 import coil.network.HttpException
 import coil.request.ErrorResult
-import coil.request.ImageRequest
-import kotlinx.coroutines.launch
+import coil.request.ImageResult
 import org.jsoup.HttpStatusException
 import org.koitharu.kotatsu.bookmarks.domain.Bookmark
 import org.koitharu.kotatsu.bookmarks.domain.BookmarksRepository
 import org.koitharu.kotatsu.core.parser.MangaDataRepository
 import org.koitharu.kotatsu.core.parser.MangaRepository
 import org.koitharu.kotatsu.core.parser.RemoteMangaRepository
-import org.koitharu.kotatsu.core.util.ext.enqueueWith
 import org.koitharu.kotatsu.core.util.ext.ifNullOrEmpty
 import org.koitharu.kotatsu.parsers.exception.ParseException
 import org.koitharu.kotatsu.parsers.model.Manga
 import org.koitharu.kotatsu.parsers.util.runCatchingCancellable
+import java.util.Collections
 import javax.inject.Inject
-import javax.inject.Provider
 
-class CoverRestorer @Inject constructor(
+class CoverRestoreInterceptor @Inject constructor(
 	private val dataRepository: MangaDataRepository,
 	private val bookmarksRepository: BookmarksRepository,
 	private val repositoryFactory: MangaRepository.Factory,
-	private val coilProvider: Provider<ImageLoader>,
-) : EventListener {
+) : Interceptor {
 
-	private val blacklist = ArraySet<String>()
+	private val blacklist = Collections.synchronizedSet(ArraySet<String>())
 
-	override fun onError(request: ImageRequest, result: ErrorResult) {
-		super.onError(request, result)
-		if (!result.throwable.shouldRestore()) {
-			return
-		}
-		request.tags.tag<Manga>()?.let {
-			restoreManga(it, request)
-		}
-		request.tags.tag<Bookmark>()?.let {
-			restoreBookmark(it, request)
-		}
-	}
-
-	private fun restoreManga(manga: Manga, request: ImageRequest) {
-		val key = manga.publicUrl
-		if (key in blacklist) {
-			return
-		}
-		request.lifecycle.coroutineScope.launch {
-			val restored = runCatchingCancellable {
-				restoreMangaImpl(manga)
-			}.getOrDefault(false)
-			if (restored) {
-				request.newBuilder().enqueueWith(coilProvider.get())
-			} else {
-				blacklist.add(key)
+	override suspend fun intercept(chain: Interceptor.Chain): ImageResult {
+		val request = chain.request
+		val result = chain.proceed(request)
+		if (result is ErrorResult && result.throwable.shouldRestore()) {
+			request.tags.tag<Manga>()?.let {
+				if (restoreManga(it)) {
+					return chain.proceed(request.newBuilder().build())
+				} else {
+					return result
+				}
+			}
+			request.tags.tag<Bookmark>()?.let {
+				if (restoreBookmark(it)) {
+					return chain.proceed(request.newBuilder().build())
+				} else {
+					return result
+				}
 			}
 		}
+		return result
+	}
+
+	private suspend fun restoreManga(manga: Manga): Boolean {
+		val key = manga.publicUrl
+		if (!blacklist.add(key)) {
+			return false
+		}
+		val restored = runCatchingCancellable {
+			restoreMangaImpl(manga)
+		}.getOrDefault(false)
+		if (restored) {
+			blacklist.remove(key)
+		}
+		return restored
 	}
 
 	private suspend fun restoreMangaImpl(manga: Manga): Boolean {
@@ -75,21 +76,18 @@ class CoverRestorer @Inject constructor(
 		}
 	}
 
-	private fun restoreBookmark(bookmark: Bookmark, request: ImageRequest) {
+	private suspend fun restoreBookmark(bookmark: Bookmark): Boolean {
 		val key = bookmark.imageUrl
-		if (key in blacklist) {
-			return
+		if (!blacklist.add(key)) {
+			return false
 		}
-		request.lifecycle.coroutineScope.launch {
-			val restored = runCatchingCancellable {
-				restoreBookmarkImpl(bookmark)
-			}.getOrDefault(false)
-			if (restored) {
-				request.newBuilder().enqueueWith(coilProvider.get())
-			} else {
-				blacklist.add(key)
-			}
+		val restored = runCatchingCancellable {
+			restoreBookmarkImpl(bookmark)
+		}.getOrDefault(false)
+		if (restored) {
+			blacklist.remove(key)
 		}
+		return restored
 	}
 
 	private suspend fun restoreBookmarkImpl(bookmark: Bookmark): Boolean {

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

@@ -3,7 +3,7 @@ package org.koitharu.kotatsu.reader.domain
 import android.graphics.ColorMatrix
 import android.graphics.ColorMatrixColorFilter
 
-class ReaderColorFilter(
+data class ReaderColorFilter(
 	val brightness: Float,
 	val contrast: Float,
 	val isInverted: Boolean,
@@ -51,22 +51,4 @@ class ReaderColorFilter(
 		)
 		set(matrix)
 	}
-
-	override fun equals(other: Any?): Boolean {
-		if (this === other) return true
-		if (javaClass != other?.javaClass) return false
-
-		other as ReaderColorFilter
-
-		if (brightness != other.brightness) return false
-		if (contrast != other.contrast) return false
-		return isInverted == other.isInverted
-	}
-
-	override fun hashCode(): Int {
-		var result = brightness.hashCode()
-		result = 31 * result + contrast.hashCode()
-		result = 31 * result + isInverted.hashCode()
-		return result
-	}
 }

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

@@ -44,6 +44,7 @@ import org.koitharu.kotatsu.core.util.GridTouchHelper
 import org.koitharu.kotatsu.core.util.IdlingDetector
 import org.koitharu.kotatsu.core.util.ShareHelper
 import org.koitharu.kotatsu.core.util.ext.hasGlobalPoint
+import org.koitharu.kotatsu.core.util.ext.isAnimationsEnabled
 import org.koitharu.kotatsu.core.util.ext.isRtl
 import org.koitharu.kotatsu.core.util.ext.observe
 import org.koitharu.kotatsu.core.util.ext.observeEvent
@@ -309,22 +310,20 @@ class ReaderActivity :
 
 	private fun setUiIsVisible(isUiVisible: Boolean) {
 		if (viewBinding.appbarTop.isVisible != isUiVisible) {
-			val transition = TransitionSet()
-				.setOrdering(TransitionSet.ORDERING_TOGETHER)
-				.addTransition(Slide(Gravity.TOP).addTarget(viewBinding.appbarTop))
-				.addTransition(Fade().addTarget(viewBinding.infoBar))
-			viewBinding.appbarBottom?.let { bottomBar ->
-				transition.addTransition(Slide(Gravity.BOTTOM).addTarget(bottomBar))
+			if (isAnimationsEnabled) {
+				val transition = TransitionSet()
+					.setOrdering(TransitionSet.ORDERING_TOGETHER)
+					.addTransition(Slide(Gravity.TOP).addTarget(viewBinding.appbarTop))
+					.addTransition(Fade().addTarget(viewBinding.infoBar))
+				viewBinding.appbarBottom?.let { bottomBar ->
+					transition.addTransition(Slide(Gravity.BOTTOM).addTarget(bottomBar))
+				}
+				TransitionManager.beginDelayedTransition(viewBinding.root, transition)
 			}
-			TransitionManager.beginDelayedTransition(viewBinding.root, transition)
 			viewBinding.appbarTop.isVisible = isUiVisible
 			viewBinding.appbarBottom?.isVisible = isUiVisible
 			viewBinding.infoBar.isGone = isUiVisible || (!viewModel.isInfoBarEnabled.value)
-			if (isUiVisible) {
-				showSystemUI()
-			} else {
-				hideSystemUI()
-			}
+			systemUiController.setSystemUiVisible(isUiVisible)
 		}
 	}
 

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

@@ -12,7 +12,7 @@ class WebtoonFrameLayout @JvmOverloads constructor(
 	@AttrRes defStyleAttr: Int = 0,
 ) : FrameLayout(context, attrs, defStyleAttr) {
 
-	private val target by lazy(LazyThreadSafetyMode.NONE) {
+	val target by lazy(LazyThreadSafetyMode.NONE) {
 		findViewById<WebtoonImageView>(R.id.ssiv)
 	}
 
@@ -24,4 +24,4 @@ class WebtoonFrameLayout @JvmOverloads constructor(
 		target.scrollBy(dy)
 		return target.getScroll() - oldScroll
 	}
-}
+}

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

@@ -84,10 +84,22 @@ class WebtoonImageView @JvmOverloads constructor(
 			}
 		}
 		width = width.coerceAtLeast(suggestedMinimumWidth)
-		height = height.coerceIn(suggestedMinimumHeight, parentHeight())
+		height = height.coerceAtLeast(suggestedMinimumHeight).coerceAtMost(parentHeight())
 		setMeasuredDimension(width, height)
 	}
 
+	override fun onSizeChanged(w: Int, h: Int, oldw: Int, oldh: Int) {
+		super.onSizeChanged(w, h, oldw, oldh)
+		if (oldh == h || oldw == 0 || oldh == 0 || scrollRange == SCROLL_UNKNOWN) return
+
+		computeScrollRange()
+		val container = parents.firstNotNullOfOrNull { it as? WebtoonFrameLayout } ?: return
+		val parentHeight = parentHeight()
+		if (scrollPos != 0 && container.bottom < parentHeight) {
+			scrollTo(scrollRange)
+		}
+	}
+
 	private fun scrollToInternal(pos: Int) {
 		scrollPos = pos
 		ct.set(sWidth / 2f, (height / 2f + pos.toFloat()) / minScale)

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

@@ -2,16 +2,30 @@ package org.koitharu.kotatsu.reader.ui.pager.webtoon
 
 import android.content.Context
 import android.util.AttributeSet
+import android.view.View
 import androidx.core.view.ViewCompat.TYPE_TOUCH
+import androidx.core.view.forEach
 import androidx.recyclerview.widget.RecyclerView
 import org.koitharu.kotatsu.core.util.ext.findCenterViewPosition
 import java.util.LinkedList
+import java.util.WeakHashMap
 
 class WebtoonRecyclerView @JvmOverloads constructor(
 	context: Context, attrs: AttributeSet? = null, defStyleAttr: Int = 0
 ) : RecyclerView(context, attrs, defStyleAttr) {
 
 	private var onPageScrollListeners: MutableList<OnPageScrollListener>? = null
+	private val detachedViews = WeakHashMap<View, Unit>()
+
+	override fun onChildDetachedFromWindow(child: View) {
+		super.onChildDetachedFromWindow(child)
+		detachedViews[child] = Unit
+	}
+
+	override fun onChildAttachedToWindow(child: View) {
+		super.onChildAttachedToWindow(child)
+		detachedViews.remove(child)
+	}
 
 	override fun startNestedScroll(axes: Int) = startNestedScroll(axes, TYPE_TOUCH)
 
@@ -98,6 +112,15 @@ class WebtoonRecyclerView @JvmOverloads constructor(
 		listeners.forEach { it.dispatchScroll(this, dy, centerPosition) }
 	}
 
+	fun relayoutChildren() {
+		forEach { child ->
+			(child as WebtoonFrameLayout).target.requestLayout()
+		}
+		detachedViews.keys.forEach { child ->
+			(child as WebtoonFrameLayout).target.requestLayout()
+		}
+	}
+
 	abstract class OnPageScrollListener {
 
 		private var lastPosition = NO_POSITION

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

@@ -1,6 +1,6 @@
 package org.koitharu.kotatsu.reader.ui.pager.webtoon
 
-import android.animation.ObjectAnimator
+import android.animation.ValueAnimator
 import android.content.Context
 import android.graphics.Matrix
 import android.graphics.Rect
@@ -15,7 +15,7 @@ import android.widget.OverScroller
 import androidx.core.view.GestureDetectorCompat
 
 private const val MAX_SCALE = 2.5f
-private const val MIN_SCALE = 1f // under-scaling disabled due to buggy nested scroll
+private const val MIN_SCALE = 0.5f
 
 class WebtoonScalingFrame @JvmOverloads constructor(
 	context: Context,
@@ -23,7 +23,7 @@ class WebtoonScalingFrame @JvmOverloads constructor(
 	defStyles: Int = 0,
 ) : FrameLayout(context, attrs, defStyles), ScaleGestureDetector.OnScaleGestureListener {
 
-	private val targetChild by lazy(LazyThreadSafetyMode.NONE) { getChildAt(0) }
+	private val targetChild by lazy(LazyThreadSafetyMode.NONE) { getChildAt(0) as WebtoonRecyclerView }
 
 	private val scaleDetector = ScaleGestureDetector(context, this)
 	private val gestureDetector = GestureDetectorCompat(context, GestureListener())
@@ -40,7 +40,6 @@ class WebtoonScalingFrame @JvmOverloads constructor(
 	private var halfHeight = 0f
 	private val translateBounds = RectF()
 	private val targetHitRect = Rect()
-	private var pendingScroll = 0
 
 	var isZoomEnable = true
 		set(value) {
@@ -97,12 +96,11 @@ class WebtoonScalingFrame @JvmOverloads constructor(
 		if (newHeight != targetChild.height) {
 			targetChild.layoutParams.height = newHeight
 			targetChild.requestLayout()
+			targetChild.relayoutChildren()
 		}
 
 		if (scale < 1) {
 			targetChild.getHitRect(targetHitRect)
-			targetChild.scrollBy(0, pendingScroll)
-			pendingScroll = 0
 		}
 	}
 
@@ -124,7 +122,6 @@ class WebtoonScalingFrame @JvmOverloads constructor(
 			else -> 0f
 		}
 
-		pendingScroll = dy.toInt()
 		transformMatrix.postTranslate(dx, dy)
 		syncMatrixValues()
 	}
@@ -159,9 +156,7 @@ class WebtoonScalingFrame @JvmOverloads constructor(
 
 	override fun onScaleBegin(detector: ScaleGestureDetector): Boolean = true
 
-	override fun onScaleEnd(p0: ScaleGestureDetector) {
-		pendingScroll = 0
-	}
+	override fun onScaleEnd(p0: ScaleGestureDetector) = Unit
 
 
 	private inner class GestureListener : GestureDetector.SimpleOnGestureListener(), Runnable {
@@ -175,7 +170,7 @@ class WebtoonScalingFrame @JvmOverloads constructor(
 
 		override fun onDoubleTap(e: MotionEvent): Boolean {
 			val newScale = if (scale != 1f) 1f else MAX_SCALE * 0.8f
-			ObjectAnimator.ofFloat(scale, newScale).run {
+			ValueAnimator.ofFloat(scale, newScale).run {
 				interpolator = AccelerateDecelerateInterpolator()
 				duration = 300
 				addUpdateListener {

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

@@ -4,7 +4,7 @@ import org.koitharu.kotatsu.core.parser.MangaRepository
 import org.koitharu.kotatsu.list.ui.model.ListModel
 import org.koitharu.kotatsu.reader.ui.pager.ReaderPage
 
-class PageThumbnail(
+data class PageThumbnail(
 	val isCurrent: Boolean,
 	val repository: MangaRepository,
 	val page: ReaderPage,
@@ -16,23 +16,4 @@ class PageThumbnail(
 	override fun areItemsTheSame(other: ListModel): Boolean {
 		return other is PageThumbnail && page == other.page
 	}
-
-	override fun equals(other: Any?): Boolean {
-		if (this === other) return true
-		if (javaClass != other?.javaClass) return false
-
-		other as PageThumbnail
-
-		if (isCurrent != other.isCurrent) return false
-		if (repository != other.repository) return false
-		return page == other.page
-	}
-
-	override fun hashCode(): Int {
-		var result = isCurrent.hashCode()
-		result = 31 * result + repository.hashCode()
-		result = 31 * result + page.hashCode()
-		return result
-	}
-
 }

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

@@ -9,7 +9,6 @@ import org.koitharu.kotatsu.R
 import org.koitharu.kotatsu.core.ui.list.AdapterDelegateClickListenerAdapter
 import org.koitharu.kotatsu.core.ui.list.OnListItemClickListener
 import org.koitharu.kotatsu.core.util.ext.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.setTextColorAttr
@@ -56,8 +55,4 @@ fun pageThumbnailAD(
 			text = (item.number).toString()
 		}
 	}
-
-	onViewRecycled {
-		binding.imageViewThumb.disposeImageRequest()
-	}
 }

app/src/main/kotlin/org/koitharu/kotatsu/scrobbling/common/domain/model/ScrobblerManga.kt

@@ -2,40 +2,17 @@ package org.koitharu.kotatsu.scrobbling.common.domain.model
 
 import org.koitharu.kotatsu.list.ui.model.ListModel
 
-class ScrobblerManga(
+data class ScrobblerManga(
 	val id: Long,
 	val name: String,
 	val altName: String?,
 	val cover: String,
 	val url: String,
 ) : ListModel {
-
 	override fun areItemsTheSame(other: ListModel): Boolean {
 		return other is ScrobblerManga && other.id == id
 	}
 
-	override fun equals(other: Any?): Boolean {
-		if (this === other) return true
-		if (javaClass != other?.javaClass) return false
-
-		other as ScrobblerManga
-
-		if (id != other.id) return false
-		if (name != other.name) return false
-		if (altName != other.altName) return false
-		if (cover != other.cover) return false
-		return url == other.url
-	}
-
-	override fun hashCode(): Int {
-		var result = id.hashCode()
-		result = 31 * result + name.hashCode()
-		result = 31 * result + altName.hashCode()
-		result = 31 * result + cover.hashCode()
-		result = 31 * result + url.hashCode()
-		return result
-	}
-
 	override fun toString(): String {
 		return "ScrobblerManga #$id \"$name\" $url"
 	}

app/src/main/kotlin/org/koitharu/kotatsu/scrobbling/common/domain/model/ScrobblerUser.kt

@@ -1,29 +1,8 @@
 package org.koitharu.kotatsu.scrobbling.common.domain.model
 
-class ScrobblerUser(
+data class ScrobblerUser(
 	val id: Long,
 	val nickname: String,
 	val avatar: String,
 	val service: ScrobblerService,
-) {
-
-	override fun equals(other: Any?): Boolean {
-		if (this === other) return true
-		if (javaClass != other?.javaClass) return false
-
-		other as ScrobblerUser
-
-		if (id != other.id) return false
-		if (nickname != other.nickname) return false
-		if (avatar != other.avatar) return false
-		return service == other.service
-	}
-
-	override fun hashCode(): Int {
-		var result = id.hashCode()
-		result = 31 * result + nickname.hashCode()
-		result = 31 * result + avatar.hashCode()
-		result = 31 * result + service.hashCode()
-		return result
-	}
-}
+)

app/src/main/kotlin/org/koitharu/kotatsu/scrobbling/common/domain/model/ScrobblingInfo.kt

@@ -2,7 +2,7 @@ package org.koitharu.kotatsu.scrobbling.common.domain.model
 
 import org.koitharu.kotatsu.list.ui.model.ListModel
 
-class ScrobblingInfo(
+data class ScrobblingInfo(
 	val scrobbler: ScrobblerService,
 	val mangaId: Long,
 	val targetId: Long,
@@ -19,38 +19,4 @@ class ScrobblingInfo(
 	override fun areItemsTheSame(other: ListModel): Boolean {
 		return other is ScrobblingInfo && other.scrobbler == scrobbler
 	}
-
-	override fun equals(other: Any?): Boolean {
-		if (this === other) return true
-		if (javaClass != other?.javaClass) return false
-
-		other as ScrobblingInfo
-
-		if (scrobbler != other.scrobbler) return false
-		if (mangaId != other.mangaId) return false
-		if (targetId != other.targetId) return false
-		if (status != other.status) return false
-		if (chapter != other.chapter) return false
-		if (comment != other.comment) return false
-		if (rating != other.rating) return false
-		if (title != other.title) return false
-		if (coverUrl != other.coverUrl) return false
-		if (description != other.description) return false
-		return externalUrl == other.externalUrl
-	}
-
-	override fun hashCode(): Int {
-		var result = scrobbler.hashCode()
-		result = 31 * result + mangaId.hashCode()
-		result = 31 * result + targetId.hashCode()
-		result = 31 * result + (status?.hashCode() ?: 0)
-		result = 31 * result + chapter
-		result = 31 * result + (comment?.hashCode() ?: 0)
-		result = 31 * result + rating.hashCode()
-		result = 31 * result + title.hashCode()
-		result = 31 * result + coverUrl.hashCode()
-		result = 31 * result + (description?.hashCode() ?: 0)
-		result = 31 * result + externalUrl.hashCode()
-		return result
-	}
 }

app/src/main/kotlin/org/koitharu/kotatsu/scrobbling/common/ui/config/adapter/ScrobblingMangaAD.kt

@@ -6,7 +6,6 @@ import com.hannesdorfmann.adapterdelegates4.dsl.adapterDelegateViewBinding
 import org.koitharu.kotatsu.R
 import org.koitharu.kotatsu.core.ui.list.AdapterDelegateClickListenerAdapter
 import org.koitharu.kotatsu.core.ui.list.OnListItemClickListener
-import org.koitharu.kotatsu.core.util.ext.disposeImageRequest
 import org.koitharu.kotatsu.core.util.ext.enqueueWith
 import org.koitharu.kotatsu.core.util.ext.newImageRequest
 import org.koitharu.kotatsu.databinding.ItemScrobblingMangaBinding
@@ -34,8 +33,4 @@ fun scrobblingMangaAD(
 		binding.textViewTitle.text = item.title
 		binding.ratingBar.rating = item.rating * binding.ratingBar.numStars
 	}
-
-	onViewRecycled {
-		binding.imageViewCover.disposeImageRequest()
-	}
 }

app/src/main/kotlin/org/koitharu/kotatsu/scrobbling/common/ui/selector/adapter/ScrobblingMangaAD.kt

@@ -5,7 +5,6 @@ import coil.ImageLoader
 import com.hannesdorfmann.adapterdelegates4.dsl.adapterDelegateViewBinding
 import org.koitharu.kotatsu.R
 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.textAndVisible
@@ -35,8 +34,4 @@ fun scrobblingMangaAD(
 			enqueueWith(coil)
 		}
 	}
-
-	onViewRecycled {
-		binding.imageViewCover.disposeImageRequest()
-	}
 }

app/src/main/kotlin/org/koitharu/kotatsu/scrobbling/common/ui/selector/model/ScrobblerHint.kt

@@ -4,7 +4,7 @@ import androidx.annotation.DrawableRes
 import androidx.annotation.StringRes
 import org.koitharu.kotatsu.list.ui.model.ListModel
 
-class ScrobblerHint(
+data class ScrobblerHint(
 	@DrawableRes val icon: Int,
 	@StringRes val textPrimary: Int,
 	@StringRes val textSecondary: Int,
@@ -15,26 +15,4 @@ class ScrobblerHint(
 	override fun areItemsTheSame(other: ListModel): Boolean {
 		return other is ScrobblerHint && other.textPrimary == textPrimary
 	}
-
-	override fun equals(other: Any?): Boolean {
-		if (this === other) return true
-		if (javaClass != other?.javaClass) return false
-
-		other as ScrobblerHint
-
-		if (icon != other.icon) return false
-		if (textPrimary != other.textPrimary) return false
-		if (textSecondary != other.textSecondary) return false
-		if (error != other.error) return false
-		return actionStringRes == other.actionStringRes
-	}
-
-	override fun hashCode(): Int {
-		var result = icon
-		result = 31 * result + textPrimary
-		result = 31 * result + textSecondary
-		result = 31 * result + (error?.hashCode() ?: 0)
-		result = 31 * result + actionStringRes
-		return result
-	}
 }

app/src/main/kotlin/org/koitharu/kotatsu/search/ui/multi/MultiSearchListModel.kt

@@ -5,7 +5,7 @@ import org.koitharu.kotatsu.list.ui.model.ListModel
 import org.koitharu.kotatsu.list.ui.model.MangaItemModel
 import org.koitharu.kotatsu.parsers.model.MangaSource
 
-class MultiSearchListModel(
+data class MultiSearchListModel(
 	val source: MangaSource,
 	val hasMore: Boolean,
 	val list: List<MangaItemModel>,
@@ -23,24 +23,4 @@ class MultiSearchListModel(
 			super.getChangePayload(previousState)
 		}
 	}
-
-	override fun equals(other: Any?): Boolean {
-		if (this === other) return true
-		if (javaClass != other?.javaClass) return false
-
-		other as MultiSearchListModel
-
-		if (source != other.source) return false
-		if (hasMore != other.hasMore) return false
-		if (list != other.list) return false
-		return error == other.error
-	}
-
-	override fun hashCode(): Int {
-		var result = source.hashCode()
-		result = 31 * result + hasMore.hashCode()
-		result = 31 * result + list.hashCode()
-		result = 31 * result + (error?.hashCode() ?: 0)
-		return result
-	}
 }

app/src/main/kotlin/org/koitharu/kotatsu/search/ui/suggestion/adapter/SearchSuggestionSourceAD.kt

@@ -7,7 +7,6 @@ import com.hannesdorfmann.adapterdelegates4.dsl.adapterDelegateViewBinding
 import org.koitharu.kotatsu.R
 import org.koitharu.kotatsu.core.parser.favicon.faviconUri
 import org.koitharu.kotatsu.core.ui.image.FaviconDrawable
-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
@@ -51,8 +50,4 @@ fun searchSuggestionSourceAD(
 			enqueueWith(coil)
 		}
 	}
-
-	onViewRecycled {
-		binding.imageViewCover.disposeImageRequest()
-	}
 }

app/src/main/kotlin/org/koitharu/kotatsu/search/ui/suggestion/adapter/SearchSuggestionsMangaListAD.kt

@@ -11,7 +11,6 @@ import com.hannesdorfmann.adapterdelegates4.dsl.adapterDelegateViewBinding
 import org.koitharu.kotatsu.R
 import org.koitharu.kotatsu.core.ui.list.decor.SpacingItemDecoration
 import org.koitharu.kotatsu.core.util.RecyclerViewScrollCallback
-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
@@ -66,10 +65,6 @@ private fun searchSuggestionMangaGridAD(
 		}
 		binding.textViewTitle.text = item.title
 	}
-
-	onViewRecycled {
-		binding.imageViewCover.disposeImageRequest()
-	}
 }
 
 private class SuggestionMangaDiffCallback : DiffUtil.ItemCallback<Manga>() {

app/src/main/kotlin/org/koitharu/kotatsu/settings/sources/SourceSettingsViewModel.kt

@@ -49,7 +49,7 @@ class SourceSettingsViewModel @Inject constructor(
 				.scheme("https")
 				.host(repository.domain)
 				.build()
-			cookieJar.removeCookies(url)
+			cookieJar.removeCookies(url, null)
 			onActionDone.call(ReversibleAction(R.string.cookies_cleared, null))
 			loadUsername()
 		}

app/src/main/kotlin/org/koitharu/kotatsu/settings/sources/SourcesManageViewModel.kt

@@ -2,17 +2,12 @@ package org.koitharu.kotatsu.settings.sources
 
 import androidx.annotation.CheckResult
 import androidx.core.os.LocaleListCompat
-import androidx.lifecycle.viewModelScope
 import dagger.hilt.android.lifecycle.HiltViewModel
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.Job
-import kotlinx.coroutines.cancelAndJoin
-import kotlinx.coroutines.delay
 import kotlinx.coroutines.flow.MutableStateFlow
-import kotlinx.coroutines.flow.SharingStarted
+import kotlinx.coroutines.flow.collectLatest
 import kotlinx.coroutines.flow.combine
-import kotlinx.coroutines.flow.stateIn
-import kotlinx.coroutines.plus
 import org.koitharu.kotatsu.R
 import org.koitharu.kotatsu.core.model.getLocaleTitle
 import org.koitharu.kotatsu.core.prefs.AppSettings
@@ -46,32 +41,39 @@ class SourcesManageViewModel @Inject constructor(
 	private val expandedGroups = MutableStateFlow(emptySet<String?>())
 	private var searchQuery = MutableStateFlow<String?>(null)
 	private var reorderJob: Job? = null
-
-	val content = combine(
-		repository.observeEnabledSources(),
-		expandedGroups,
-		searchQuery,
-		observeTip(),
-		settings.observeAsFlow(AppSettings.KEY_DISABLE_NSFW) { isNsfwContentDisabled },
-	) { sources, groups, query, tip, noNsfw ->
-		buildList(sources, groups, query, tip, noNsfw)
-	}.stateIn(viewModelScope + Dispatchers.Default, SharingStarted.Eagerly, emptyList())
-
+	val content = MutableStateFlow<List<SourceConfigItem>>(emptyList())
 	val onActionDone = MutableEventFlow<ReversibleAction>()
 
+	init {
+		launchJob(Dispatchers.Default) {
+			combine(
+				repository.observeEnabledSources(),
+				expandedGroups,
+				searchQuery,
+				observeTip(),
+				settings.observeAsFlow(AppSettings.KEY_DISABLE_NSFW) { isNsfwContentDisabled },
+			) { sources, groups, query, tip, noNsfw ->
+				buildList(sources, groups, query, tip, noNsfw)
+			}.collectLatest {
+				reorderJob?.join()
+				content.value = it
+			}
+		}
+	}
+
 	fun reorderSources(oldPos: Int, newPos: Int) {
 		val snapshot = content.value.toMutableList()
 		val prevJob = reorderJob
 		reorderJob = launchJob(Dispatchers.Default) {
-			prevJob?.cancelAndJoin()
 			if ((snapshot[oldPos] as? SourceConfigItem.SourceItem)?.isDraggable != true) {
 				return@launchJob
 			}
 			if ((snapshot[newPos] as? SourceConfigItem.SourceItem)?.isDraggable != true) {
 				return@launchJob
 			}
-			delay(100)
 			snapshot.move(oldPos, newPos)
+			content.value = snapshot
+			prevJob?.join()
 			val newSourcesList = snapshot.mapNotNull { x ->
 				if (x is SourceConfigItem.SourceItem && x.isDraggable) {
 					x.source

app/src/main/kotlin/org/koitharu/kotatsu/settings/sources/adapter/SourceConfigAdapterDelegates.kt

@@ -20,7 +20,6 @@ import org.koitharu.kotatsu.core.parser.favicon.faviconUri
 import org.koitharu.kotatsu.core.ui.image.FaviconDrawable
 import org.koitharu.kotatsu.core.ui.list.OnTipCloseListener
 import org.koitharu.kotatsu.core.util.ext.crossfade
-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
@@ -94,10 +93,6 @@ fun sourceConfigItemCheckableDelegate(
 			enqueueWith(coil)
 		}
 	}
-
-	onViewRecycled {
-		binding.imageViewIcon.disposeImageRequest()
-	}
 }
 
 fun sourceConfigItemDelegate2(
@@ -143,10 +138,6 @@ fun sourceConfigItemDelegate2(
 			enqueueWith(coil)
 		}
 	}
-
-	onViewRecycled {
-		binding.imageViewIcon.disposeImageRequest()
-	}
 }
 
 fun sourceConfigTipDelegate(

app/src/main/kotlin/org/koitharu/kotatsu/settings/storage/DirectoryModel.kt

@@ -5,14 +5,13 @@ import org.koitharu.kotatsu.list.ui.ListModelDiffCallback
 import org.koitharu.kotatsu.list.ui.model.ListModel
 import java.io.File
 
-class DirectoryModel(
+data class DirectoryModel(
 	val title: String?,
 	@StringRes val titleRes: Int,
 	val file: File?,
 	val isChecked: Boolean,
 	val isAvailable: Boolean,
 ) : ListModel {
-
 	override fun areItemsTheSame(other: ListModel): Boolean {
 		return other is DirectoryModel && other.file == file && other.title == title && other.titleRes == titleRes
 	}
@@ -24,26 +23,4 @@ class DirectoryModel(
 			super.getChangePayload(previousState)
 		}
 	}
-
-	override fun equals(other: Any?): Boolean {
-		if (this === other) return true
-		if (javaClass != other?.javaClass) return false
-
-		other as DirectoryModel
-
-		if (title != other.title) return false
-		if (titleRes != other.titleRes) return false
-		if (file != other.file) return false
-		if (isChecked != other.isChecked) return false
-		return isAvailable == other.isAvailable
-	}
-
-	override fun hashCode(): Int {
-		var result = title?.hashCode() ?: 0
-		result = 31 * result + titleRes
-		result = 31 * result + (file?.hashCode() ?: 0)
-		result = 31 * result + isChecked.hashCode()
-		result = 31 * result + isAvailable.hashCode()
-		return result
-	}
 }

app/src/main/kotlin/org/koitharu/kotatsu/settings/userdata/StorageUsage.kt

@@ -1,51 +1,13 @@
 package org.koitharu.kotatsu.settings.userdata
 
-class StorageUsage(
+data class StorageUsage(
 	val savedManga: Item,
 	val pagesCache: Item,
 	val otherCache: Item,
 	val available: Item,
 ) {
-
-	class Item(
+	data class Item(
 		val bytes: Long,
 		val percent: Float,
-	) {
-
-		override fun equals(other: Any?): Boolean {
-			if (this === other) return true
-			if (javaClass != other?.javaClass) return false
-
-			other as Item
-
-			if (bytes != other.bytes) return false
-			return percent == other.percent
-		}
-
-		override fun hashCode(): Int {
-			var result = bytes.hashCode()
-			result = 31 * result + percent.hashCode()
-			return result
-		}
-	}
-
-	override fun equals(other: Any?): Boolean {
-		if (this === other) return true
-		if (javaClass != other?.javaClass) return false
-
-		other as StorageUsage
-
-		if (savedManga != other.savedManga) return false
-		if (pagesCache != other.pagesCache) return false
-		if (otherCache != other.otherCache) return false
-		return available == other.available
-	}
-
-	override fun hashCode(): Int {
-		var result = savedManga.hashCode()
-		result = 31 * result + pagesCache.hashCode()
-		result = 31 * result + otherCache.hashCode()
-		result = 31 * result + available.hashCode()
-		return result
-	}
+	)
 }

app/src/main/kotlin/org/koitharu/kotatsu/settings/utils/ThemeChooserPreference.kt

@@ -12,6 +12,7 @@ import android.view.ViewTreeObserver
 import android.widget.HorizontalScrollView
 import androidx.appcompat.view.ContextThemeWrapper
 import androidx.core.view.isVisible
+import androidx.core.view.updatePaddingRelative
 import androidx.customview.view.AbsSavedState
 import androidx.preference.Preference
 import androidx.preference.PreferenceViewHolder
@@ -52,7 +53,11 @@ class ThemeChooserPreference @JvmOverloads constructor(
 		binding.linear.removeAllViews()
 		for (theme in entries) {
 			val context = ContextThemeWrapper(context, theme.styleResId)
-			val item = ItemColorSchemeBinding.inflate(LayoutInflater.from(context), binding.linear, false)
+			val item =
+				ItemColorSchemeBinding.inflate(LayoutInflater.from(context), binding.linear, false)
+			if (binding.linear.childCount == 0) {
+				item.root.updatePaddingRelative(start = 0)
+			}
 			val isSelected = theme == currentValue
 			item.card.isChecked = isSelected
 			item.card.strokeWidth = if (isSelected) context.resources.getDimensionPixelSize(
@@ -76,7 +81,8 @@ class ThemeChooserPreference @JvmOverloads constructor(
 		}
 		binding.scrollView.viewTreeObserver.run {
 			scrollPersistListener?.let { removeOnScrollChangedListener(it) }
-			scrollPersistListener = ScrollPersistListener(WeakReference(binding.scrollView), lastScrollPosition)
+			scrollPersistListener =
+				ScrollPersistListener(WeakReference(binding.scrollView), lastScrollPosition)
 			addOnScrollChangedListener(scrollPersistListener)
 		}
 		if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q) {
@@ -133,7 +139,7 @@ class ThemeChooserPreference @JvmOverloads constructor(
 
 		constructor(
 			superState: Parcelable,
-			scrollPosition: Int
+			scrollPosition: Int,
 		) : super(superState) {
 			this.scrollPosition = scrollPosition
 		}
@@ -151,7 +157,8 @@ class ThemeChooserPreference @JvmOverloads constructor(
 			@Suppress("unused")
 			@JvmField
 			val CREATOR: Parcelable.Creator<SavedState> = object : Parcelable.Creator<SavedState> {
-				override fun createFromParcel(`in`: Parcel) = SavedState(`in`, SavedState::class.java.classLoader)
+				override fun createFromParcel(`in`: Parcel) =
+					SavedState(`in`, SavedState::class.java.classLoader)
 
 				override fun newArray(size: Int): Array<SavedState?> = arrayOfNulls(size)
 			}

app/src/main/kotlin/org/koitharu/kotatsu/sync/domain/SyncAuthResult.kt

@@ -1,29 +1,8 @@
 package org.koitharu.kotatsu.sync.domain
 
-class SyncAuthResult(
+data class SyncAuthResult(
 	val host: String,
 	val email: String,
 	val password: String,
 	val token: String,
-) {
-
-	override fun equals(other: Any?): Boolean {
-		if (this === other) return true
-		if (javaClass != other?.javaClass) return false
-
-		other as SyncAuthResult
-
-		if (host != other.host) return false
-		if (email != other.email) return false
-		if (password != other.password) return false
-		return token == other.token
-	}
-
-	override fun hashCode(): Int {
-		var result = host.hashCode()
-		result = 31 * result + email.hashCode()
-		result = 31 * result + password.hashCode()
-		result = 31 * result + token.hashCode()
-		return result
-	}
-}
+)

app/src/main/kotlin/org/koitharu/kotatsu/tracker/domain/Tracker.kt

@@ -110,21 +110,26 @@ class Tracker @Inject constructor(
 	private fun compare(track: MangaTracking, manga: Manga, branch: String?): MangaUpdates.Success {
 		if (track.isEmpty()) {
 			// first check or manga was empty on last check
-			return MangaUpdates.Success(manga, emptyList(), isValid = false)
+			return MangaUpdates.Success(manga, emptyList(), isValid = false, channelId = null)
 		}
 		val chapters = requireNotNull(manga.getChapters(branch))
 		val newChapters = chapters.takeLastWhile { x -> x.id != track.lastChapterId }
 		return when {
 			newChapters.isEmpty() -> {
-				MangaUpdates.Success(manga, emptyList(), isValid = chapters.lastOrNull()?.id == track.lastChapterId)
+				MangaUpdates.Success(
+					manga = manga,
+					newChapters = emptyList(),
+					isValid = chapters.lastOrNull()?.id == track.lastChapterId,
+					channelId = null
+				)
 			}
 
 			newChapters.size == chapters.size -> {
-				MangaUpdates.Success(manga, emptyList(), isValid = false)
+				MangaUpdates.Success(manga, emptyList(), isValid = false, channelId = null)
 			}
 
 			else -> {
-				MangaUpdates.Success(manga, newChapters, isValid = true)
+				MangaUpdates.Success(manga, newChapters, isValid = true, channelId = null)
 			}
 		}
 	}

app/src/main/kotlin/org/koitharu/kotatsu/tracker/domain/model/MangaTracking.kt

@@ -3,31 +3,12 @@ package org.koitharu.kotatsu.tracker.domain.model
 import java.util.*
 import org.koitharu.kotatsu.parsers.model.Manga
 
-class MangaTracking(
+data class MangaTracking(
 	val manga: Manga,
 	val lastChapterId: Long,
 	val lastCheck: Date?,
 ) {
-
 	fun isEmpty(): Boolean {
 		return lastChapterId == 0L
 	}
-
-	override fun equals(other: Any?): Boolean {
-		if (this === other) return true
-		if (javaClass != other?.javaClass) return false
-
-		other as MangaTracking
-
-		if (manga != other.manga) return false
-		if (lastChapterId != other.lastChapterId) return false
-		return lastCheck == other.lastCheck
-	}
-
-	override fun hashCode(): Int {
-		var result = manga.hashCode()
-		result = 31 * result + lastChapterId.hashCode()
-		result = 31 * result + (lastCheck?.hashCode() ?: 0)
-		return result
-	}
 }

app/src/main/kotlin/org/koitharu/kotatsu/tracker/domain/model/MangaUpdates.kt

@@ -8,16 +8,17 @@ sealed interface MangaUpdates {
 
 	val manga: Manga
 
-	class Success(
+	data class Success(
 		override val manga: Manga,
 		val newChapters: List<MangaChapter>,
 		val isValid: Boolean,
+		val channelId: String?,
 	) : MangaUpdates {
 
 		fun isNotEmpty() = newChapters.isNotEmpty()
 	}
 
-	class Failure(
+	data class Failure(
 		override val manga: Manga,
 		val error: Throwable?,
 	) : MangaUpdates {

app/src/main/kotlin/org/koitharu/kotatsu/tracker/ui/feed/adapter/FeedItemAD.kt

@@ -5,7 +5,6 @@ import coil.ImageLoader
 import com.hannesdorfmann.adapterdelegates4.dsl.adapterDelegateViewBinding
 import org.koitharu.kotatsu.R
 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.isBold
 import org.koitharu.kotatsu.core.util.ext.newImageRequest
@@ -44,8 +43,4 @@ fun feedItemAD(
 			item.count,
 		)
 	}
-
-	onViewRecycled {
-		binding.imageViewCover.disposeImageRequest()
-	}
 }

app/src/main/kotlin/org/koitharu/kotatsu/tracker/ui/feed/model/FeedItem.kt

@@ -3,7 +3,7 @@ package org.koitharu.kotatsu.tracker.ui.feed.model
 import org.koitharu.kotatsu.list.ui.model.ListModel
 import org.koitharu.kotatsu.parsers.model.Manga
 
-class FeedItem(
+data class FeedItem(
 	val id: Long,
 	val imageUrl: String,
 	val title: String,
@@ -11,32 +11,7 @@ class FeedItem(
 	val count: Int,
 	val isNew: Boolean,
 ) : ListModel {
-
 	override fun areItemsTheSame(other: ListModel): Boolean {
 		return other is FeedItem && other.id == id
 	}
-
-	override fun equals(other: Any?): Boolean {
-		if (this === other) return true
-		if (javaClass != other?.javaClass) return false
-
-		other as FeedItem
-
-		if (id != other.id) return false
-		if (imageUrl != other.imageUrl) return false
-		if (title != other.title) return false
-		if (manga != other.manga) return false
-		if (count != other.count) return false
-		return isNew == other.isNew
-	}
-
-	override fun hashCode(): Int {
-		var result = id.hashCode()
-		result = 31 * result + imageUrl.hashCode()
-		result = 31 * result + title.hashCode()
-		result = 31 * result + manga.hashCode()
-		result = 31 * result + count
-		result = 31 * result + isNew.hashCode()
-		return result
-	}
 }

app/src/main/kotlin/org/koitharu/kotatsu/tracker/work/TrackWorker.kt

@@ -39,6 +39,7 @@ import kotlinx.coroutines.NonCancellable
 import kotlinx.coroutines.flow.Flow
 import kotlinx.coroutines.flow.channelFlow
 import kotlinx.coroutines.flow.map
+import kotlinx.coroutines.flow.onEach
 import kotlinx.coroutines.flow.toList
 import kotlinx.coroutines.launch
 import kotlinx.coroutines.runInterruptible
@@ -148,19 +149,9 @@ class TrackWorker @AssistedInject constructor(
 						send(
 							runCatchingCancellable {
 								tracker.fetchUpdates(track, commit = true)
+									.copy(channelId = channelId)
 							}.onFailure { e ->
-								if (e is CloudFlareProtectedException) {
-									CaptchaNotifier(applicationContext).notify(e)
-								}
 								logger.log("checkUpdatesAsync", e)
-							}.onSuccess { updates ->
-								if (updates.isValid && updates.isNotEmpty()) {
-									showNotification(
-										manga = updates.manga,
-										channelId = channelId,
-										newChapters = updates.newChapters,
-									)
-								}
 							}.getOrElse { error ->
 								MangaUpdates.Failure(
 									manga = track.manga,
@@ -171,10 +162,33 @@ class TrackWorker @AssistedInject constructor(
 					}
 				}
 			}
+		}.onEach {
+			when (it) {
+				is MangaUpdates.Failure -> {
+					val e = it.error
+					if (e is CloudFlareProtectedException) {
+						CaptchaNotifier(applicationContext).notify(e)
+					}
+				}
+
+				is MangaUpdates.Success -> {
+					if (it.isValid && it.isNotEmpty()) {
+						showNotification(
+							manga = it.manga,
+							channelId = it.channelId,
+							newChapters = it.newChapters,
+						)
+					}
+				}
+			}
 		}.toList(ArrayList(tracks.size))
 	}
 
-	private suspend fun showNotification(manga: Manga, channelId: String?, newChapters: List<MangaChapter>) {
+	private suspend fun showNotification(
+		manga: Manga,
+		channelId: String?,
+		newChapters: List<MangaChapter>,
+	) {
 		if (newChapters.isEmpty() || channelId == null || !applicationContext.checkNotificationPermission()) {
 			return
 		}
@@ -239,7 +253,10 @@ class TrackWorker @AssistedInject constructor(
 
 	override suspend fun getForegroundInfo(): ForegroundInfo {
 		val title = applicationContext.getString(R.string.check_for_new_chapters)
-		val channel = NotificationChannelCompat.Builder(WORKER_CHANNEL_ID, NotificationManagerCompat.IMPORTANCE_LOW)
+		val channel = NotificationChannelCompat.Builder(
+			WORKER_CHANNEL_ID,
+			NotificationManagerCompat.IMPORTANCE_LOW
+		)
 			.setName(title)
 			.setShowBadge(false)
 			.setVibrationEnabled(false)
@@ -260,7 +277,11 @@ class TrackWorker @AssistedInject constructor(
 			.setForegroundServiceBehavior(NotificationCompat.FOREGROUND_SERVICE_DEFERRED)
 			.build()
 		return if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q) {
-			ForegroundInfo(WORKER_NOTIFICATION_ID, notification, ServiceInfo.FOREGROUND_SERVICE_TYPE_DATA_SYNC)
+			ForegroundInfo(
+				WORKER_NOTIFICATION_ID,
+				notification,
+				ServiceInfo.FOREGROUND_SERVICE_TYPE_DATA_SYNC
+			)
 		} else {
 			ForegroundInfo(WORKER_NOTIFICATION_ID, notification)
 		}
@@ -320,7 +341,8 @@ class TrackWorker @AssistedInject constructor(
 		}
 
 		fun startNow() {
-			val constraints = Constraints.Builder().setRequiredNetworkType(NetworkType.CONNECTED).build()
+			val constraints =
+				Constraints.Builder().setRequiredNetworkType(NetworkType.CONNECTED).build()
 			val request = OneTimeWorkRequestBuilder<TrackWorker>()
 				.setConstraints(constraints)
 				.addTag(TAG_ONESHOT)

app/src/main/kotlin/org/koitharu/kotatsu/tracker/work/TrackingItem.kt

@@ -2,28 +2,7 @@ package org.koitharu.kotatsu.tracker.work
 
 import org.koitharu.kotatsu.tracker.domain.model.MangaTracking
 
-class TrackingItem(
+data class TrackingItem(
 	val tracking: MangaTracking,
 	val channelId: String?,
-) {
-
-	operator fun component1() = tracking
-
-	operator fun component2() = channelId
-
-	override fun equals(other: Any?): Boolean {
-		if (this === other) return true
-		if (javaClass != other?.javaClass) return false
-
-		other as TrackingItem
-
-		if (tracking != other.tracking) return false
-		return channelId == other.channelId
-	}
-
-	override fun hashCode(): Int {
-		var result = tracking.hashCode()
-		result = 31 * result + channelId.hashCode()
-		return result
-	}
-}
+)

app/src/main/kotlin/org/koitharu/kotatsu/widget/recent/RecentListFactory.kt

@@ -55,6 +55,7 @@ class RecentListFactory(
 					.data(item.coverUrl)
 					.size(coverSize)
 					.tag(item.source)
+					.tag(item)
 					.transformations(transformation)
 					.build(),
 			).getDrawableOrThrow().toBitmap()

app/src/main/kotlin/org/koitharu/kotatsu/widget/recent/RecentWidgetConfigActivity.kt

@@ -0,0 +1,74 @@
+package org.koitharu.kotatsu.widget.recent
+
+import android.app.Activity
+import android.appwidget.AppWidgetManager
+import android.content.Intent
+import android.os.Bundle
+import android.view.View
+import androidx.core.graphics.Insets
+import androidx.core.view.updatePadding
+import dagger.hilt.android.AndroidEntryPoint
+import org.koitharu.kotatsu.R
+import org.koitharu.kotatsu.core.prefs.AppWidgetConfig
+import org.koitharu.kotatsu.core.ui.BaseActivity
+import org.koitharu.kotatsu.databinding.ActivityAppwidgetRecentBinding
+import com.google.android.material.R as materialR
+
+@AndroidEntryPoint
+class RecentWidgetConfigActivity :
+	BaseActivity<ActivityAppwidgetRecentBinding>(),
+	View.OnClickListener {
+
+	private lateinit var config: AppWidgetConfig
+
+	override fun onCreate(savedInstanceState: Bundle?) {
+		super.onCreate(savedInstanceState)
+		setContentView(ActivityAppwidgetRecentBinding.inflate(layoutInflater))
+		supportActionBar?.run {
+			setDisplayHomeAsUpEnabled(true)
+			setHomeAsUpIndicator(materialR.drawable.abc_ic_clear_material)
+		}
+		viewBinding.buttonDone.setOnClickListener(this)
+		val appWidgetId = intent?.getIntExtra(
+			AppWidgetManager.EXTRA_APPWIDGET_ID,
+			AppWidgetManager.INVALID_APPWIDGET_ID,
+		) ?: AppWidgetManager.INVALID_APPWIDGET_ID
+		if (appWidgetId == AppWidgetManager.INVALID_APPWIDGET_ID) {
+			finishAfterTransition()
+			return
+		}
+		config = AppWidgetConfig(this, RecentWidgetProvider::class.java, appWidgetId)
+		viewBinding.switchBackground.isChecked = config.hasBackground
+	}
+
+	override fun onClick(v: View) {
+		when (v.id) {
+			R.id.button_done -> {
+				config.hasBackground = viewBinding.switchBackground.isChecked
+				updateWidget()
+				setResult(
+					Activity.RESULT_OK,
+					Intent().putExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, config.widgetId),
+				)
+				finish()
+			}
+		}
+	}
+
+	override fun onWindowInsetsChanged(insets: Insets) {
+		viewBinding.root.updatePadding(
+			left = insets.left,
+			right = insets.right,
+			bottom = insets.bottom,
+			top = insets.top,
+		)
+	}
+
+	private fun updateWidget() {
+		val intent = Intent(this, RecentWidgetProvider::class.java)
+		intent.action = AppWidgetManager.ACTION_APPWIDGET_UPDATE
+		val ids = intArrayOf(config.widgetId)
+		intent.putExtra(AppWidgetManager.EXTRA_APPWIDGET_IDS, ids)
+		sendBroadcast(intent)
+	}
+}

app/src/main/kotlin/org/koitharu/kotatsu/widget/recent/RecentWidgetProvider.kt

@@ -2,43 +2,52 @@ package org.koitharu.kotatsu.widget.recent
 
 import android.app.PendingIntent
 import android.appwidget.AppWidgetManager
-import android.appwidget.AppWidgetProvider
 import android.content.Context
 import android.content.Intent
+import android.graphics.Color
 import android.net.Uri
 import android.widget.RemoteViews
 import androidx.core.app.PendingIntentCompat
 import org.koitharu.kotatsu.R
+import org.koitharu.kotatsu.core.prefs.AppWidgetConfig
+import org.koitharu.kotatsu.core.ui.BaseAppWidgetProvider
 import org.koitharu.kotatsu.reader.ui.ReaderActivity
 
-class RecentWidgetProvider : AppWidgetProvider() {
+class RecentWidgetProvider : BaseAppWidgetProvider() {
 
 	override fun onUpdate(
 		context: Context,
 		appWidgetManager: AppWidgetManager,
 		appWidgetIds: IntArray
 	) {
-		appWidgetIds.forEach { id ->
-			val views = RemoteViews(context.packageName, R.layout.widget_recent)
-			val adapter = Intent(context, RecentWidgetService::class.java)
-			adapter.putExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, id)
-			adapter.data = Uri.parse(adapter.toUri(Intent.URI_INTENT_SCHEME))
-			views.setRemoteAdapter(R.id.stackView, adapter)
-			val intent = Intent(context, ReaderActivity::class.java)
-			intent.action = ReaderActivity.ACTION_MANGA_READ
-			views.setPendingIntentTemplate(
-				R.id.stackView,
-				PendingIntentCompat.getActivity(
-					context,
-					0,
-					intent,
-					PendingIntent.FLAG_UPDATE_CURRENT,
-					true,
-				),
-			)
-			views.setEmptyView(R.id.stackView, R.id.textView_holder)
-			appWidgetManager.updateAppWidget(id, views)
-		}
+		super.onUpdate(context, appWidgetManager, appWidgetIds)
 		appWidgetManager.notifyAppWidgetViewDataChanged(appWidgetIds, R.id.stackView)
 	}
+
+	override fun onUpdateWidget(context: Context, config: AppWidgetConfig): RemoteViews {
+		val views = RemoteViews(context.packageName, R.layout.widget_recent)
+		if (!config.hasBackground) {
+			views.setInt(R.id.widget_root, "setBackgroundColor", Color.TRANSPARENT)
+		} else {
+			views.setInt(R.id.widget_root, "setBackgroundResource", R.drawable.bg_appwidget_root)
+		}
+		val adapter = Intent(context, RecentWidgetService::class.java)
+		adapter.putExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, config.widgetId)
+		adapter.data = Uri.parse(adapter.toUri(Intent.URI_INTENT_SCHEME))
+		views.setRemoteAdapter(R.id.stackView, adapter)
+		val intent = Intent(context, ReaderActivity::class.java)
+		intent.action = ReaderActivity.ACTION_MANGA_READ
+		views.setPendingIntentTemplate(
+			R.id.stackView,
+			PendingIntentCompat.getActivity(
+				context,
+				0,
+				intent,
+				PendingIntent.FLAG_UPDATE_CURRENT,
+				true,
+			),
+		)
+		views.setEmptyView(R.id.stackView, R.id.textView_holder)
+		return views
+	}
 }

app/src/main/kotlin/org/koitharu/kotatsu/widget/shelf/ShelfListFactory.kt

@@ -14,6 +14,7 @@ import kotlinx.coroutines.runBlocking
 import org.koitharu.kotatsu.R
 import org.koitharu.kotatsu.core.parser.MangaIntent
 import org.koitharu.kotatsu.core.prefs.AppWidgetConfig
+import org.koitharu.kotatsu.core.ui.image.TrimTransformation
 import org.koitharu.kotatsu.core.util.ext.getDrawableOrThrow
 import org.koitharu.kotatsu.favourites.domain.FavouritesRepository
 import org.koitharu.kotatsu.parsers.model.Manga
@@ -27,7 +28,7 @@ class ShelfListFactory(
 ) : RemoteViewsService.RemoteViewsFactory {
 
 	private val dataSet = ArrayList<Manga>()
-	private val config = AppWidgetConfig(context, widgetId)
+	private val config = AppWidgetConfig(context, ShelfWidgetProvider::class.java, widgetId)
 	private val transformation = RoundedCornersTransformation(
 		context.resources.getDimension(R.dimen.appwidget_corner_radius_inner),
 	)
@@ -66,7 +67,8 @@ class ShelfListFactory(
 					.data(item.coverUrl)
 					.size(coverSize)
 					.tag(item.source)
-					.transformations(transformation)
+					.tag(item)
+					.transformations(transformation, TrimTransformation())
 					.build(),
 			).getDrawableOrThrow().toBitmap()
 		}.onSuccess { cover ->

app/src/main/kotlin/org/koitharu/kotatsu/widget/shelf/ShelfWidgetConfigActivity.kt

@@ -8,7 +8,6 @@ import android.view.View
 import android.view.ViewGroup
 import androidx.activity.viewModels
 import androidx.core.graphics.Insets
-import androidx.core.view.isVisible
 import androidx.core.view.updateLayoutParams
 import androidx.core.view.updatePadding
 import dagger.hilt.android.AndroidEntryPoint
@@ -19,14 +18,14 @@ import org.koitharu.kotatsu.core.ui.BaseActivity
 import org.koitharu.kotatsu.core.ui.list.OnListItemClickListener
 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.databinding.ActivityAppwidgetShelfBinding
 import org.koitharu.kotatsu.widget.shelf.adapter.CategorySelectAdapter
 import org.koitharu.kotatsu.widget.shelf.model.CategoryItem
 import com.google.android.material.R as materialR
 
 @AndroidEntryPoint
-class ShelfConfigActivity :
-	BaseActivity<ActivityCategoriesBinding>(),
+class ShelfWidgetConfigActivity :
+	BaseActivity<ActivityAppwidgetShelfBinding>(),
 	OnListItemClickListener<CategoryItem>,
 	View.OnClickListener {
 
@@ -37,16 +36,14 @@ class ShelfConfigActivity :
 
 	override fun onCreate(savedInstanceState: Bundle?) {
 		super.onCreate(savedInstanceState)
-		setContentView(ActivityCategoriesBinding.inflate(layoutInflater))
+		setContentView(ActivityAppwidgetShelfBinding.inflate(layoutInflater))
 		supportActionBar?.run {
 			setDisplayHomeAsUpEnabled(true)
 			setHomeAsUpIndicator(materialR.drawable.abc_ic_clear_material)
 		}
 		adapter = CategorySelectAdapter(this)
 		viewBinding.recyclerView.adapter = adapter
-		viewBinding.buttonDone.isVisible = true
 		viewBinding.buttonDone.setOnClickListener(this)
-		viewBinding.fabAdd.hide()
 		val appWidgetId = intent?.getIntExtra(
 			AppWidgetManager.EXTRA_APPWIDGET_ID,
 			AppWidgetManager.INVALID_APPWIDGET_ID,
@@ -55,8 +52,9 @@ class ShelfConfigActivity :
 			finishAfterTransition()
 			return
 		}
-		config = AppWidgetConfig(this, appWidgetId)
+		config = AppWidgetConfig(this, ShelfWidgetProvider::class.java, appWidgetId)
 		viewModel.checkedId = config.categoryId
+		viewBinding.switchBackground.isChecked = config.hasBackground
 
 		viewModel.content.observe(this, this::onContentChanged)
 		viewModel.onError.observeEvent(this, SnackbarErrorObserver(viewBinding.recyclerView, null))
@@ -66,6 +64,7 @@ class ShelfConfigActivity :
 		when (v.id) {
 			R.id.button_done -> {
 				config.categoryId = viewModel.checkedId
+				config.hasBackground = viewBinding.switchBackground.isChecked
 				updateWidget()
 				setResult(
 					Activity.RESULT_OK,
@@ -81,11 +80,6 @@ class ShelfConfigActivity :
 	}
 
 	override fun onWindowInsetsChanged(insets: Insets) {
-		viewBinding.fabAdd.updateLayoutParams<ViewGroup.MarginLayoutParams> {
-			rightMargin = topMargin + insets.right
-			leftMargin = topMargin + insets.left
-			bottomMargin = topMargin + insets.bottom
-		}
 		viewBinding.recyclerView.updatePadding(
 			left = insets.left,
 			right = insets.right,

app/src/main/kotlin/org/koitharu/kotatsu/widget/shelf/ShelfWidgetProvider.kt

@@ -2,43 +2,52 @@ package org.koitharu.kotatsu.widget.shelf
 
 import android.app.PendingIntent
 import android.appwidget.AppWidgetManager
-import android.appwidget.AppWidgetProvider
 import android.content.Context
 import android.content.Intent
+import android.graphics.Color
 import android.net.Uri
 import android.widget.RemoteViews
 import androidx.core.app.PendingIntentCompat
 import org.koitharu.kotatsu.R
+import org.koitharu.kotatsu.core.prefs.AppWidgetConfig
+import org.koitharu.kotatsu.core.ui.BaseAppWidgetProvider
 import org.koitharu.kotatsu.reader.ui.ReaderActivity
 
-class ShelfWidgetProvider : AppWidgetProvider() {
+class ShelfWidgetProvider : BaseAppWidgetProvider() {
 
 	override fun onUpdate(
 		context: Context,
 		appWidgetManager: AppWidgetManager,
 		appWidgetIds: IntArray
 	) {
-		appWidgetIds.forEach { id ->
-			val views = RemoteViews(context.packageName, R.layout.widget_shelf)
-			val adapter = Intent(context, ShelfWidgetService::class.java)
-			adapter.putExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, id)
-			adapter.data = Uri.parse(adapter.toUri(Intent.URI_INTENT_SCHEME))
-			views.setRemoteAdapter(R.id.gridView, adapter)
-			val intent = Intent(context, ReaderActivity::class.java)
-			intent.action = ReaderActivity.ACTION_MANGA_READ
-			views.setPendingIntentTemplate(
-				R.id.gridView,
-				PendingIntentCompat.getActivity(
-					context,
-					0,
-					intent,
-					PendingIntent.FLAG_UPDATE_CURRENT,
-					true,
-				),
-			)
-			views.setEmptyView(R.id.gridView, R.id.textView_holder)
-			appWidgetManager.updateAppWidget(id, views)
-		}
+		super.onUpdate(context, appWidgetManager, appWidgetIds)
 		appWidgetManager.notifyAppWidgetViewDataChanged(appWidgetIds, R.id.gridView)
 	}
+
+	override fun onUpdateWidget(context: Context, config: AppWidgetConfig): RemoteViews {
+		val views = RemoteViews(context.packageName, R.layout.widget_shelf)
+		if (!config.hasBackground) {
+			views.setInt(R.id.widget_root, "setBackgroundColor", Color.TRANSPARENT)
+		} else {
+			views.setInt(R.id.widget_root, "setBackgroundResource", R.drawable.bg_appwidget_root)
+		}
+		val adapter = Intent(context, ShelfWidgetService::class.java)
+		adapter.putExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, config.widgetId)
+		adapter.data = Uri.parse(adapter.toUri(Intent.URI_INTENT_SCHEME))
+		views.setRemoteAdapter(R.id.gridView, adapter)
+		val intent = Intent(context, ReaderActivity::class.java)
+		intent.action = ReaderActivity.ACTION_MANGA_READ
+		views.setPendingIntentTemplate(
+			R.id.gridView,
+			PendingIntentCompat.getActivity(
+				context,
+				0,
+				intent,
+				PendingIntent.FLAG_UPDATE_CURRENT,
+				true,
+			),
+		)
+		views.setEmptyView(R.id.gridView, R.id.textView_holder)
+		return views
+	}
 }

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

@@ -4,4 +4,4 @@
 	android:shape="rectangle">
 	<corners android:radius="@dimen/appwidget_corner_radius_inner" />
 	<solid android:color="?android:panelColorBackground" />
-</shape>
+</shape>