Resolve conflicts

app/build.gradle

@@ -84,19 +84,19 @@ afterEvaluate {
 	}
 }
 dependencies {
-	implementation('com.github.KotatsuApp:kotatsu-parsers:85bfe42ddf') {
+	implementation('com.github.KotatsuApp:kotatsu-parsers:e2308214a7') {
 		exclude group: 'org.json', module: 'json'
 	}
 
 	implementation 'org.jetbrains.kotlinx:kotlinx-coroutines-android:1.6.4'
 
 	implementation 'androidx.core:core-ktx:1.8.0'
-	implementation 'androidx.activity:activity-ktx:1.5.0'
+	implementation 'androidx.activity:activity-ktx:1.5.1'
-	implementation 'androidx.fragment:fragment-ktx:1.5.0'
+	implementation 'androidx.fragment:fragment-ktx:1.5.1'
-	implementation 'androidx.lifecycle:lifecycle-viewmodel-ktx:2.5.0'
+	implementation 'androidx.lifecycle:lifecycle-viewmodel-ktx:2.5.1'
-	implementation 'androidx.lifecycle:lifecycle-livedata-ktx:2.5.0'
+	implementation 'androidx.lifecycle:lifecycle-livedata-ktx:2.5.1'
-	implementation 'androidx.lifecycle:lifecycle-service:2.5.0'
+	implementation 'androidx.lifecycle:lifecycle-service:2.5.1'
-	implementation 'androidx.lifecycle:lifecycle-process:2.5.0'
+	implementation 'androidx.lifecycle:lifecycle-process:2.5.1'
 	implementation 'androidx.constraintlayout:constraintlayout:2.1.4'
 	implementation 'androidx.swiperefreshlayout:swiperefreshlayout:1.1.0'
 	implementation 'androidx.recyclerview:recyclerview:1.2.1'
@@ -106,11 +106,11 @@ dependencies {
 	implementation 'androidx.biometric:biometric-ktx:1.2.0-alpha04'
 	implementation 'com.google.android.material:material:1.7.0-alpha03'
 	//noinspection LifecycleAnnotationProcessorWithJava8
-	kapt 'androidx.lifecycle:lifecycle-compiler:2.5.0'
+	kapt 'androidx.lifecycle:lifecycle-compiler:2.5.1'
 
-	implementation 'androidx.room:room-runtime:2.4.2'
+	implementation 'androidx.room:room-runtime:2.4.3'
-	implementation 'androidx.room:room-ktx:2.4.2'
+	implementation 'androidx.room:room-ktx:2.4.3'
-	kapt 'androidx.room:room-compiler:2.4.2'
+	kapt 'androidx.room:room-compiler:2.4.3'
 
 	implementation 'com.squareup.okhttp3:okhttp:4.10.0'
 	implementation 'com.squareup.okhttp3:okhttp-dnsoverhttps:4.9.3'
@@ -145,7 +145,7 @@ dependencies {
 
 	androidTestImplementation 'org.jetbrains.kotlinx:kotlinx-coroutines-test:1.6.4'
 
-	androidTestImplementation 'androidx.room:room-testing:2.4.2'
+	androidTestImplementation 'androidx.room:room-testing:2.4.3'
 	androidTestImplementation 'com.squareup.moshi:moshi-kotlin:1.13.0'
 
 	androidTestImplementation 'com.google.dagger:hilt-android-testing:2.42'

app/src/main/java/org/koitharu/kotatsu/base/ui/widgets/CheckableImageView.kt

@@ -10,6 +10,7 @@ import android.widget.Checkable
 import androidx.annotation.AttrRes
 import androidx.appcompat.widget.AppCompatImageView
 import androidx.core.os.ParcelCompat
+import androidx.customview.view.AbsSavedState
 
 class CheckableImageView @JvmOverloads constructor(
 	context: Context,
@@ -73,7 +74,7 @@ class CheckableImageView @JvmOverloads constructor(
 		fun onCheckedChanged(view: CheckableImageView, isChecked: Boolean)
 	}
 
-	private class SavedState : BaseSavedState {
+	private class SavedState : AbsSavedState {
 
 		val isChecked: Boolean
 
@@ -81,7 +82,7 @@ class CheckableImageView @JvmOverloads constructor(
 			isChecked = checked
 		}
 
-		constructor(source: Parcel) : super(source) {
+		constructor(source: Parcel, classLoader: ClassLoader?) : super(source, classLoader) {
 			isChecked = ParcelCompat.readBoolean(source)
 		}
 
@@ -91,9 +92,10 @@ class CheckableImageView @JvmOverloads constructor(
 		}
 
 		companion object {
+			@Suppress("unused")
 			@JvmField
 			val CREATOR: Creator<SavedState> = object : Creator<SavedState> {
-				override fun createFromParcel(`in`: Parcel) = SavedState(`in`)
+				override fun createFromParcel(`in`: Parcel) = SavedState(`in`, SavedState::class.java.classLoader)
 
 				override fun newArray(size: Int): Array<SavedState?> = arrayOfNulls(size)
 			}

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

@@ -1,6 +1,34 @@
 package org.koitharu.kotatsu.core.model
 
+import androidx.core.os.LocaleListCompat
 import org.koitharu.kotatsu.parsers.model.Manga
 import org.koitharu.kotatsu.parsers.util.mapToSet
+import org.koitharu.kotatsu.parsers.util.toTitleCase
+import org.koitharu.kotatsu.utils.ext.iterator
 
-fun Collection<Manga>.ids() = mapToSet { it.id }
+fun Collection<Manga>.ids() = mapToSet { it.id }
+
+fun Manga.getPreferredBranch(history: MangaHistory?): String? {
+	val ch = chapters
+	if (ch.isNullOrEmpty()) {
+		return null
+	}
+	if (history != null) {
+		val currentChapter = ch.find { it.id == history.chapterId }
+		if (currentChapter != null) {
+			return currentChapter.branch
+		}
+	}
+	val groups = ch.groupBy { it.branch }
+	for (locale in LocaleListCompat.getAdjustedDefault()) {
+		var language = locale.getDisplayLanguage(locale).toTitleCase(locale)
+		if (groups.containsKey(language)) {
+			return language
+		}
+		language = locale.getDisplayName(locale).toTitleCase(locale)
+		if (groups.containsKey(language)) {
+			return language
+		}
+	}
+	return groups.maxByOrNull { it.value.size }?.key
+}

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

@@ -29,6 +29,7 @@ import org.koitharu.kotatsu.bookmarks.domain.Bookmark
 import org.koitharu.kotatsu.bookmarks.ui.adapter.BookmarksAdapter
 import org.koitharu.kotatsu.core.model.MangaHistory
 import org.koitharu.kotatsu.databinding.FragmentDetailsBinding
+import org.koitharu.kotatsu.details.ui.model.ChapterListItem
 import org.koitharu.kotatsu.details.ui.scrobbling.ScrobblingInfoBottomSheet
 import org.koitharu.kotatsu.history.domain.PROGRESS_NONE
 import org.koitharu.kotatsu.image.ui.ImageActivity
@@ -75,6 +76,7 @@ class DetailsFragment :
 		viewModel.bookmarks.observe(viewLifecycleOwner, ::onBookmarksChanged)
 		viewModel.scrobblingInfo.observe(viewLifecycleOwner, ::onScrobblingInfoChanged)
 		viewModel.description.observe(viewLifecycleOwner, ::onDescriptionChanged)
+		viewModel.chapters.observe(viewLifecycleOwner, ::onChaptersChanged)
 	}
 
 	override fun onItemClick(item: Bookmark, view: View) {
@@ -111,18 +113,6 @@ class DetailsFragment :
 				ratingBar.isVisible = false
 			}
 
-			// Info containers
-			val chapters = manga.chapters
-			if (chapters.isNullOrEmpty()) {
-				infoLayout.textViewChapters.isVisible = false
-			} else {
-				infoLayout.textViewChapters.isVisible = true
-				infoLayout.textViewChapters.text = resources.getQuantityString(
-					R.plurals.chapters,
-					chapters.size,
-					chapters.size,
-				)
-			}
 			when (manga.state) {
 				MangaState.FINISHED -> {
 					infoLayout.textViewState.apply {
@@ -163,6 +153,20 @@ class DetailsFragment :
 		}
 	}
 
+	private fun onChaptersChanged(chapters: List<ChapterListItem>?) {
+		val infoLayout = binding.infoLayout
+		if (chapters.isNullOrEmpty()) {
+			infoLayout.textViewChapters.isVisible = false
+		} else {
+			infoLayout.textViewChapters.isVisible = true
+			infoLayout.textViewChapters.text = resources.getQuantityString(
+				R.plurals.chapters,
+				chapters.size,
+				chapters.size,
+			)
+		}
+	}
+
 	private fun onDescriptionChanged(description: CharSequence?) {
 		if (description.isNullOrBlank()) {
 			binding.textViewDescription.setText(R.string.no_description)

app/src/main/java/org/koitharu/kotatsu/details/ui/MangaDetailsDelegate.kt

@@ -1,11 +1,11 @@
 package org.koitharu.kotatsu.details.ui
 
-import androidx.core.os.LocaleListCompat
 import kotlinx.coroutines.flow.MutableStateFlow
 import kotlinx.coroutines.flow.StateFlow
 import org.koitharu.kotatsu.base.domain.MangaDataRepository
 import org.koitharu.kotatsu.base.domain.MangaIntent
 import org.koitharu.kotatsu.core.model.MangaHistory
+import org.koitharu.kotatsu.core.model.getPreferredBranch
 import org.koitharu.kotatsu.core.parser.MangaRepository
 import org.koitharu.kotatsu.core.prefs.AppSettings
 import org.koitharu.kotatsu.details.ui.model.ChapterListItem
@@ -16,9 +16,6 @@ import org.koitharu.kotatsu.parsers.exception.NotFoundException
 import org.koitharu.kotatsu.parsers.model.Manga
 import org.koitharu.kotatsu.parsers.model.MangaChapter
 import org.koitharu.kotatsu.parsers.model.MangaSource
-import org.koitharu.kotatsu.parsers.util.mapToSet
-import org.koitharu.kotatsu.parsers.util.toTitleCase
-import org.koitharu.kotatsu.utils.ext.iterator
 import org.koitharu.kotatsu.utils.ext.printStackTraceDebug
 
 class MangaDetailsDelegate(
@@ -46,12 +43,7 @@ class MangaDetailsDelegate(
 		manga = mangaRepositoryFactory.create(manga.source).getDetails(manga)
 		// find default branch
 		val hist = historyRepository.getOne(manga)
-		selectedBranch.value = if (hist != null) {
+		selectedBranch.value = manga.getPreferredBranch(hist)
-			val currentChapter = manga.chapters?.find { it.id == hist.chapterId }
-			if (currentChapter != null) currentChapter.branch else predictBranch(manga.chapters)
-		} else {
-			predictBranch(manga.chapters)
-		}
 		mangaData.value = manga
 		relatedManga.value = runCatching {
 			if (manga.source == MangaSource.LOCAL) {
@@ -92,7 +84,7 @@ class MangaDetailsDelegate(
 		val dateFormat = settings.getDateFormat()
 		val currentIndex = chapters.indexOfFirst { it.id == currentId }
 		val firstNewIndex = chapters.size - newCount
-		val downloadedIds = downloadedChapters?.mapToSet { it.id }
+		val downloadedIds = downloadedChapters?.mapTo(HashSet(downloadedChapters.size)) { it.id }
 		for (i in chapters.indices) {
 			val chapter = chapters[i]
 			if (chapter.branch != branch) {
@@ -107,6 +99,9 @@ class MangaDetailsDelegate(
 				dateFormat = dateFormat,
 			)
 		}
+		if (result.size < chapters.size / 2) {
+			result.trimToSize()
+		}
 		return result
 	}
 
@@ -162,24 +157,9 @@ class MangaDetailsDelegate(
 			}
 			result.sortBy { it.chapter.number }
 		}
+		if (result.size < sourceChapters.size / 2) {
+			result.trimToSize()
+		}
 		return result
 	}
-
-	private fun predictBranch(chapters: List<MangaChapter>?): String? {
-		if (chapters.isNullOrEmpty()) {
-			return null
-		}
-		val groups = chapters.groupBy { it.branch }
-		for (locale in LocaleListCompat.getAdjustedDefault()) {
-			var language = locale.getDisplayLanguage(locale).toTitleCase(locale)
-			if (groups.containsKey(language)) {
-				return language
-			}
-			language = locale.getDisplayName(locale).toTitleCase(locale)
-			if (groups.containsKey(language)) {
-				return language
-			}
-		}
-		return groups.maxByOrNull { it.value.size }?.key
-	}
 }

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

@@ -1,13 +1,24 @@
 package org.koitharu.kotatsu.details.ui.model
 
+import java.text.DateFormat
 import org.koitharu.kotatsu.parsers.model.MangaChapter
 
 class ChapterListItem(
 	val chapter: MangaChapter,
 	val flags: Int,
-	val uploadDate: String?,
+	private val uploadDateMs: Long,
+	private val dateFormat: DateFormat,
 ) {
 
+	var uploadDate: String? = null
+		private set
+		get() {
+			if (field != null) return field
+			if (uploadDateMs == 0L) return null
+			field = dateFormat.format(uploadDateMs)
+			return field
+		}
+
 	val status: Int
 		get() = flags and MASK_STATUS
 
@@ -32,7 +43,8 @@ class ChapterListItem(
 
 		if (chapter != other.chapter) return false
 		if (flags != other.flags) return false
-		if (uploadDate != other.uploadDate) return false
+		if (uploadDateMs != other.uploadDateMs) return false
+		if (dateFormat != other.dateFormat) return false
 
 		return true
 	}
@@ -40,7 +52,8 @@ class ChapterListItem(
 	override fun hashCode(): Int {
 		var result = chapter.hashCode()
 		result = 31 * result + flags
-		result = 31 * result + (uploadDate?.hashCode() ?: 0)
+		result = 31 * result + uploadDateMs.hashCode()
+		result = 31 * result + dateFormat.hashCode()
 		return result
 	}
 

app/src/main/java/org/koitharu/kotatsu/details/ui/model/ListModelConversionExt.kt

@@ -1,12 +1,12 @@
 package org.koitharu.kotatsu.details.ui.model
 
+import java.text.DateFormat
 import org.koitharu.kotatsu.details.ui.model.ChapterListItem.Companion.FLAG_CURRENT
 import org.koitharu.kotatsu.details.ui.model.ChapterListItem.Companion.FLAG_DOWNLOADED
 import org.koitharu.kotatsu.details.ui.model.ChapterListItem.Companion.FLAG_MISSING
 import org.koitharu.kotatsu.details.ui.model.ChapterListItem.Companion.FLAG_NEW
 import org.koitharu.kotatsu.details.ui.model.ChapterListItem.Companion.FLAG_UNREAD
 import org.koitharu.kotatsu.parsers.model.MangaChapter
-import java.text.DateFormat
 
 fun MangaChapter.toListItem(
 	isCurrent: Boolean,
@@ -25,6 +25,7 @@ fun MangaChapter.toListItem(
 	return ChapterListItem(
 		chapter = this,
 		flags = flags,
-		uploadDate = if (uploadDate != 0L) dateFormat.format(uploadDate) else null
+		uploadDateMs = uploadDate,
+		dateFormat = dateFormat,
 	)
 }

app/src/main/java/org/koitharu/kotatsu/settings/utils/SliderPreference.kt

@@ -5,8 +5,8 @@ import android.content.res.TypedArray
 import android.os.Parcel
 import android.os.Parcelable
 import android.util.AttributeSet
-import android.view.View
 import androidx.core.content.withStyledAttributes
+import androidx.customview.view.AbsSavedState
 import androidx.preference.Preference
 import androidx.preference.PreferenceViewHolder
 import com.google.android.material.slider.Slider
@@ -40,11 +40,11 @@ class SliderPreference @JvmOverloads constructor(
 			attrs,
 			R.styleable.SliderPreference,
 			defStyleAttr,
-			defStyleRes
+			defStyleRes,
 		) {
 			valueFrom = getFloat(
 				R.styleable.SliderPreference_android_valueFrom,
-				valueFrom.toFloat()
+				valueFrom.toFloat(),
 			).toInt()
 			valueTo =
 				getFloat(R.styleable.SliderPreference_android_valueTo, valueTo.toFloat()).toInt()
@@ -117,7 +117,7 @@ class SliderPreference @JvmOverloads constructor(
 		}
 	}
 
-	private class SavedState : View.BaseSavedState {
+	private class SavedState : AbsSavedState {
 
 		val valueFrom: Int
 		val valueTo: Int
@@ -134,7 +134,7 @@ class SliderPreference @JvmOverloads constructor(
 			this.currentValue = currentValue
 		}
 
-		constructor(source: Parcel) : super(source) {
+		constructor(source: Parcel, classLoader: ClassLoader?) : super(source, classLoader) {
 			valueFrom = source.readInt()
 			valueTo = source.readInt()
 			currentValue = source.readInt()
@@ -148,12 +148,13 @@ class SliderPreference @JvmOverloads constructor(
 		}
 
 		companion object {
+			@Suppress("unused")
 			@JvmField
 			val CREATOR: Parcelable.Creator<SavedState> = object : Parcelable.Creator<SavedState> {
-				override fun createFromParcel(`in`: Parcel) = SavedState(`in`)
+				override fun createFromParcel(`in`: Parcel) = SavedState(`in`, SavedState::class.java.classLoader)
 
 				override fun newArray(size: Int): Array<SavedState?> = arrayOfNulls(size)
 			}
 		}
 	}
-}
+}

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

@@ -2,8 +2,10 @@ package org.koitharu.kotatsu.tracker.domain
 
 import androidx.annotation.VisibleForTesting
 import javax.inject.Inject
+import org.koitharu.kotatsu.core.model.getPreferredBranch
 import org.koitharu.kotatsu.core.parser.MangaRepository
 import org.koitharu.kotatsu.core.prefs.AppSettings
+import org.koitharu.kotatsu.history.domain.HistoryRepository
 import org.koitharu.kotatsu.parsers.model.Manga
 import org.koitharu.kotatsu.tracker.domain.model.MangaTracking
 import org.koitharu.kotatsu.tracker.domain.model.MangaUpdates
@@ -13,6 +15,7 @@ import org.koitharu.kotatsu.tracker.work.TrackingItem
 class Tracker @Inject constructor(
 	private val settings: AppSettings,
 	private val repository: TrackingRepository,
+	private val historyRepository: HistoryRepository,
 	private val channels: TrackerNotificationChannels,
 	private val mangaRepositoryFactory: MangaRepository.Factory,
 ) {
@@ -70,7 +73,7 @@ class Tracker @Inject constructor(
 
 	suspend fun fetchUpdates(track: MangaTracking, commit: Boolean): MangaUpdates {
 		val manga = mangaRepositoryFactory.create(track.manga.source).getDetails(track.manga)
-		val updates = compare(track, manga)
+		val updates = compare(track, manga, getBranch(manga))
 		if (commit) {
 			repository.saveUpdates(updates)
 		}
@@ -80,7 +83,7 @@ class Tracker @Inject constructor(
 	@VisibleForTesting
 	suspend fun checkUpdates(manga: Manga, commit: Boolean): MangaUpdates {
 		val track = repository.getTrack(manga)
-		val updates = compare(track, manga)
+		val updates = compare(track, manga, getBranch(manga))
 		if (commit) {
 			repository.saveUpdates(updates)
 		}
@@ -92,15 +95,20 @@ class Tracker @Inject constructor(
 		repository.deleteTrack(mangaId)
 	}
 
+	private suspend fun getBranch(manga: Manga): String? {
+		val history = historyRepository.getOne(manga)
+		return manga.getPreferredBranch(history)
+	}
+
 	/**
 	 * The main functionality of tracker: check new chapters in [manga] comparing to the [track]
 	 */
-	private fun compare(track: MangaTracking, manga: Manga): MangaUpdates {
+	private fun compare(track: MangaTracking, manga: Manga, branch: String?): MangaUpdates {
 		if (track.isEmpty()) {
 			// first check or manga was empty on last check
 			return MangaUpdates(manga, emptyList(), isValid = false)
 		}
-		val chapters = requireNotNull(manga.chapters)
+		val chapters = requireNotNull(manga.getChapters(branch))
 		val newChapters = chapters.takeLastWhile { x -> x.id != track.lastChapterId }
 		return when {
 			newChapters.isEmpty() -> {

app/src/main/java/org/koitharu/kotatsu/utils/ext/ThrowableExt.kt

@@ -17,7 +17,8 @@ fun Throwable.getDisplayMessage(resources: Resources): String = when (this) {
 	is AuthRequiredException -> resources.getString(R.string.auth_required)
 	is CloudFlareProtectedException -> resources.getString(R.string.captcha_required)
 	is ActivityNotFoundException,
-	is UnsupportedOperationException, -> resources.getString(R.string.operation_not_supported)
+	is UnsupportedOperationException,
+	-> resources.getString(R.string.operation_not_supported)
 	is UnsupportedFileException -> resources.getString(R.string.text_file_not_supported)
 	is FileNotFoundException -> resources.getString(R.string.file_not_found)
 	is EmptyHistoryException -> resources.getString(R.string.history_is_empty)
@@ -40,5 +41,6 @@ fun Throwable.isReportable(): Boolean {
 }
 
 fun Throwable.report(message: String?) {
-	CaughtException(this, message).sendWithAcra()
+	val exception = CaughtException(this, message)
+	exception.sendWithAcra()
 }

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

@@ -14,17 +14,18 @@ import org.koitharu.kotatsu.R
 import org.koitharu.kotatsu.base.domain.MangaIntent
 import org.koitharu.kotatsu.history.domain.HistoryRepository
 import org.koitharu.kotatsu.parsers.model.Manga
+import org.koitharu.kotatsu.parsers.util.replaceWith
 import org.koitharu.kotatsu.utils.ext.requireBitmap
 
 class RecentListFactory(
 	private val context: Context,
 	private val historyRepository: HistoryRepository,
-	private val coil: ImageLoader
+	private val coil: ImageLoader,
 ) : RemoteViewsService.RemoteViewsFactory {
 
 	private val dataSet = ArrayList<Manga>()
 	private val transformation = RoundedCornersTransformation(
-		context.resources.getDimension(R.dimen.appwidget_corner_radius_inner)
+		context.resources.getDimension(R.dimen.appwidget_corner_radius_inner),
 	)
 	private val coverSize = Size(
 		context.resources.getDimensionPixelSize(R.dimen.widget_cover_width),
@@ -38,9 +39,8 @@ class RecentListFactory(
 	override fun getItemId(position: Int) = dataSet[position].id
 
 	override fun onDataSetChanged() {
-		dataSet.clear()
 		val data = runBlocking { historyRepository.getList(0, 10) }
-		dataSet.addAll(data)
+		dataSet.replaceWith(data)
 	}
 
 	override fun hasStableIds() = true
@@ -54,7 +54,7 @@ class RecentListFactory(
 					.data(item.coverUrl)
 					.size(coverSize)
 					.transformations(transformation)
-					.build()
+					.build(),
 			).requireBitmap()
 		}.onSuccess { cover ->
 			views.setImageViewBitmap(R.id.imageView_cover, cover)
@@ -72,4 +72,4 @@ class RecentListFactory(
 	override fun getViewTypeCount() = 1
 
 	override fun onDestroy() = Unit
-}
+}

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

@@ -15,6 +15,7 @@ import org.koitharu.kotatsu.base.domain.MangaIntent
 import org.koitharu.kotatsu.core.prefs.AppWidgetConfig
 import org.koitharu.kotatsu.favourites.domain.FavouritesRepository
 import org.koitharu.kotatsu.parsers.model.Manga
+import org.koitharu.kotatsu.parsers.util.replaceWith
 import org.koitharu.kotatsu.utils.ext.requireBitmap
 
 class ShelfListFactory(
@@ -27,7 +28,7 @@ class ShelfListFactory(
 	private val dataSet = ArrayList<Manga>()
 	private val config = AppWidgetConfig(context, widgetId)
 	private val transformation = RoundedCornersTransformation(
-		context.resources.getDimension(R.dimen.appwidget_corner_radius_inner)
+		context.resources.getDimension(R.dimen.appwidget_corner_radius_inner),
 	)
 	private val coverSize = Size(
 		context.resources.getDimensionPixelSize(R.dimen.widget_cover_width),
@@ -41,7 +42,6 @@ class ShelfListFactory(
 	override fun getItemId(position: Int) = dataSet[position].id
 
 	override fun onDataSetChanged() {
-		dataSet.clear()
 		val data = runBlocking {
 			val category = config.categoryId
 			if (category == 0L) {
@@ -50,7 +50,7 @@ class ShelfListFactory(
 				favouritesRepository.getManga(category)
 			}
 		}
-		dataSet.addAll(data)
+		dataSet.replaceWith(data)
 	}
 
 	override fun hasStableIds() = true
@@ -65,7 +65,7 @@ class ShelfListFactory(
 					.data(item.coverUrl)
 					.size(coverSize)
 					.transformations(transformation)
-					.build()
+					.build(),
 			).requireBitmap()
 		}.onSuccess { cover ->
 			views.setImageViewBitmap(R.id.imageView_cover, cover)