Add Parceler implementations for Manga classes.

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

@@ -1,98 +0,0 @@
-package org.koitharu.kotatsu.core.model.parcelable
-
-import android.os.Parcel
-import androidx.core.os.ParcelCompat
-import org.koitharu.kotatsu.core.util.ext.readParcelableCompat
-import org.koitharu.kotatsu.core.util.ext.readSerializableCompat
-import org.koitharu.kotatsu.parsers.model.Manga
-import org.koitharu.kotatsu.parsers.model.MangaChapter
-import org.koitharu.kotatsu.parsers.model.MangaPage
-import org.koitharu.kotatsu.parsers.model.MangaTag
-
-fun Manga.writeToParcel(out: Parcel, flags: Int, withChapters: Boolean) {
-	out.writeLong(id)
-	out.writeString(title)
-	out.writeString(altTitle)
-	out.writeString(url)
-	out.writeString(publicUrl)
-	out.writeFloat(rating)
-	ParcelCompat.writeBoolean(out, isNsfw)
-	out.writeString(coverUrl)
-	out.writeString(largeCoverUrl)
-	out.writeString(description)
-	out.writeParcelable(ParcelableMangaTags(tags), flags)
-	out.writeSerializable(state)
-	out.writeString(author)
-	if (withChapters) {
-		out.writeParcelable(chapters?.let(::ParcelableMangaChapters), flags)
-	} else {
-		out.writeString(null)
-	}
-	out.writeSerializable(source)
-}
-
-fun Parcel.readManga() = Manga(
-	id = readLong(),
-	title = requireNotNull(readString()),
-	altTitle = readString(),
-	url = requireNotNull(readString()),
-	publicUrl = requireNotNull(readString()),
-	rating = readFloat(),
-	isNsfw = ParcelCompat.readBoolean(this),
-	coverUrl = requireNotNull(readString()),
-	largeCoverUrl = readString(),
-	description = readString(),
-	tags = requireNotNull(readParcelableCompat<ParcelableMangaTags>()).tags,
-	state = readSerializableCompat(),
-	author = readString(),
-	chapters = readParcelableCompat<ParcelableMangaChapters>()?.chapters,
-	source = checkNotNull(readSerializableCompat()),
-)
-
-fun MangaPage.writeToParcel(out: Parcel) {
-	out.writeLong(id)
-	out.writeString(url)
-	out.writeString(preview)
-	out.writeSerializable(source)
-}
-
-fun Parcel.readMangaPage() = MangaPage(
-	id = readLong(),
-	url = requireNotNull(readString()),
-	preview = readString(),
-	source = checkNotNull(readSerializableCompat()),
-)
-
-fun MangaChapter.writeToParcel(out: Parcel) {
-	out.writeLong(id)
-	out.writeString(name)
-	out.writeInt(number)
-	out.writeString(url)
-	out.writeString(scanlator)
-	out.writeLong(uploadDate)
-	out.writeString(branch)
-	out.writeSerializable(source)
-}
-
-fun Parcel.readMangaChapter() = MangaChapter(
-	id = readLong(),
-	name = requireNotNull(readString()),
-	number = readInt(),
-	url = requireNotNull(readString()),
-	scanlator = readString(),
-	uploadDate = readLong(),
-	branch = readString(),
-	source = checkNotNull(readSerializableCompat()),
-)
-
-fun MangaTag.writeToParcel(out: Parcel) {
-	out.writeString(title)
-	out.writeString(key)
-	out.writeSerializable(source)
-}
-
-fun Parcel.readMangaTag() = MangaTag(
-	title = requireNotNull(readString()),
-	key = requireNotNull(readString()),
-	source = checkNotNull(readSerializableCompat()),
-)

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

@@ -2,56 +2,83 @@ package org.koitharu.kotatsu.core.model.parcelable
 
 import android.os.Parcel
 import android.os.Parcelable
+import androidx.core.os.ParcelCompat
+import kotlinx.parcelize.IgnoredOnParcel
+import kotlinx.parcelize.Parceler
+import kotlinx.parcelize.Parcelize
+import org.koitharu.kotatsu.core.util.ext.readParcelableCompat
+import org.koitharu.kotatsu.core.util.ext.readSerializableCompat
 import org.koitharu.kotatsu.parsers.model.Manga
 
 // Limits to avoid TransactionTooLargeException
 private const val MAX_SAFE_SIZE = 1024 * 100 // Assume that 100 kb is safe parcel size
 private const val MAX_SAFE_CHAPTERS_COUNT = 24 // this is 100% safe
 
-class ParcelableManga(
+@Parcelize
+data class ParcelableManga(
 	val manga: Manga,
-	private val withChapters: Boolean,
+	@IgnoredOnParcel private val withChapters: Boolean = true,
 ) : Parcelable {
-
+	companion object : Parceler<ParcelableManga> {
-	constructor(parcel: Parcel) : this(parcel.readManga(), true)
+		private fun Manga.writeToParcel(out: Parcel, flags: Int, withChapters: Boolean) {
-
+			out.writeLong(id)
-	override fun writeToParcel(parcel: Parcel, flags: Int) {
+			out.writeString(title)
-		val chapters = manga.chapters
+			out.writeString(altTitle)
-		if (!withChapters || chapters == null) {
+			out.writeString(url)
-			manga.writeToParcel(parcel, flags, withChapters = false)
+			out.writeString(publicUrl)
-			return
+			out.writeFloat(rating)
-		}
+			ParcelCompat.writeBoolean(out, isNsfw)
-		if (chapters.size <= MAX_SAFE_CHAPTERS_COUNT) {
+			out.writeString(coverUrl)
-			// fast path
+			out.writeString(largeCoverUrl)
-			manga.writeToParcel(parcel, flags, withChapters = true)
+			out.writeString(description)
-			return
+			out.writeParcelable(ParcelableMangaTags(tags), flags)
-		}
+			out.writeSerializable(state)
-		val tempParcel = Parcel.obtain()
+			out.writeString(author)
-		manga.writeToParcel(tempParcel, flags, withChapters = true)
+			val parcelableChapters = if (withChapters) null else chapters?.let(::ParcelableMangaChapters)
-		val size = tempParcel.dataSize()
+			out.writeParcelable(parcelableChapters, flags)
-		if (size < MAX_SAFE_SIZE) {
+			out.writeSerializable(source)
-			parcel.appendFrom(tempParcel, 0, size)
-		} else {
-			manga.writeToParcel(parcel, flags, withChapters = false)
-		}
-		tempParcel.recycle()
-	}
-
-	override fun describeContents(): Int {
-		return 0
-	}
-
-	override fun toString(): String {
-		return "ParcelableManga(manga=$manga, withChapters=$withChapters)"
-	}
-
-	companion object CREATOR : Parcelable.Creator<ParcelableManga> {
-		override fun createFromParcel(parcel: Parcel): ParcelableManga {
-			return ParcelableManga(parcel)
 		}
 
-		override fun newArray(size: Int): Array<ParcelableManga?> {
+		override fun ParcelableManga.write(parcel: Parcel, flags: Int) {
-			return arrayOfNulls(size)
+			val chapters = manga.chapters
+			if (!withChapters || chapters == null) {
+				manga.writeToParcel(parcel, flags, withChapters = false)
+				return
+			}
+			if (chapters.size <= MAX_SAFE_CHAPTERS_COUNT) {
+				// fast path
+				manga.writeToParcel(parcel, flags, withChapters = true)
+				return
+			}
+			val tempParcel = Parcel.obtain()
+			manga.writeToParcel(tempParcel, flags, withChapters = true)
+			val size = tempParcel.dataSize()
+			if (size < MAX_SAFE_SIZE) {
+				parcel.appendFrom(tempParcel, 0, size)
+			} else {
+				manga.writeToParcel(parcel, flags, withChapters = false)
+			}
+			tempParcel.recycle()
 		}
+
+		override fun create(parcel: Parcel) = ParcelableManga(
+			Manga(
+				id = parcel.readLong(),
+				title = parcel.readString()!!,
+				altTitle = parcel.readString(),
+				url = parcel.readString()!!,
+				publicUrl = parcel.readString()!!,
+				rating = parcel.readFloat(),
+				isNsfw = ParcelCompat.readBoolean(parcel),
+				coverUrl = parcel.readString()!!,
+				largeCoverUrl = parcel.readString(),
+				description = parcel.readString(),
+				tags = parcel.readParcelableCompat<ParcelableMangaTags>()!!.tags,
+				state = parcel.readSerializableCompat(),
+				author = parcel.readString(),
+				chapters = parcel.readParcelableCompat<ParcelableMangaChapters>()?.chapters,
+				source = parcel.readSerializableCompat()!!,
+			),
+		)
 	}
 }

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

@@ -2,38 +2,36 @@ package org.koitharu.kotatsu.core.model.parcelable
 
 import android.os.Parcel
 import android.os.Parcelable
+import kotlinx.parcelize.Parceler
+import kotlinx.parcelize.Parcelize
+import kotlinx.parcelize.TypeParceler
+import org.koitharu.kotatsu.core.util.ext.readSerializableCompat
 import org.koitharu.kotatsu.parsers.model.MangaChapter
 
-class ParcelableMangaChapters(
+object MangaChapterParceler : Parceler<MangaChapter> {
-	val chapters: List<MangaChapter>,
+	override fun create(parcel: Parcel) = MangaChapter(
-) : Parcelable {
+		id = parcel.readLong(),
-
+		name = parcel.readString()!!,
-	constructor(parcel: Parcel) : this(
+		number = parcel.readInt(),
-		List(parcel.readInt()) { parcel.readMangaChapter() }
+		url = parcel.readString()!!,
+		scanlator = parcel.readString(),
+		uploadDate = parcel.readLong(),
+		branch = parcel.readString(),
+		source = parcel.readSerializableCompat()!!,
 	)
 
-	override fun writeToParcel(parcel: Parcel, flags: Int) {
+	override fun MangaChapter.write(parcel: Parcel, flags: Int) {
-		parcel.writeInt(chapters.size)
+		parcel.writeLong(id)
-		for (chapter in chapters) {
+		parcel.writeString(name)
-			chapter.writeToParcel(parcel)
+		parcel.writeInt(number)
-		}
+		parcel.writeString(url)
-	}
+		parcel.writeString(scanlator)
-
+		parcel.writeLong(uploadDate)
-	override fun describeContents(): Int {
+		parcel.writeString(branch)
-		return 0
+		parcel.writeSerializable(source)
-	}
-
-	override fun toString(): String {
-		return "ParcelableMangaChapters(chapters=$chapters)"
-	}
-
-	companion object CREATOR : Parcelable.Creator<ParcelableMangaChapters> {
-		override fun createFromParcel(parcel: Parcel): ParcelableMangaChapters {
-			return ParcelableMangaChapters(parcel)
-		}
-
-		override fun newArray(size: Int): Array<ParcelableMangaChapters?> {
-			return arrayOfNulls(size)
-		}
 	}
 }
+
+@Parcelize
+@TypeParceler<MangaChapter, MangaChapterParceler>
+data class ParcelableMangaChapters(val chapters: List<MangaChapter>) : Parcelable

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

@@ -0,0 +1,29 @@
+package org.koitharu.kotatsu.core.model.parcelable
+
+import android.os.Parcel
+import android.os.Parcelable
+import kotlinx.parcelize.Parceler
+import kotlinx.parcelize.Parcelize
+import kotlinx.parcelize.TypeParceler
+import org.koitharu.kotatsu.core.util.ext.readSerializableCompat
+import org.koitharu.kotatsu.parsers.model.MangaPage
+
+object MangaPageParceler : Parceler<MangaPage> {
+	override fun create(parcel: Parcel) = MangaPage(
+		id = parcel.readLong(),
+		url = parcel.readString()!!,
+		preview = parcel.readString(),
+		source = parcel.readSerializableCompat()!!,
+	)
+
+	override fun MangaPage.write(parcel: Parcel, flags: Int) {
+		parcel.writeLong(id)
+		parcel.writeString(url)
+		parcel.writeString(preview)
+		parcel.writeSerializable(source)
+	}
+}
+
+@Parcelize
+@TypeParceler<MangaPage, MangaPageParceler>
+class ParcelableMangaPage(val page: MangaPage) : Parcelable

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

@@ -1,39 +0,0 @@
-package org.koitharu.kotatsu.core.model.parcelable
-
-import android.os.Parcel
-import android.os.Parcelable
-import org.koitharu.kotatsu.parsers.model.MangaPage
-
-class ParcelableMangaPages(
-	val pages: List<MangaPage>,
-) : Parcelable {
-
-	constructor(parcel: Parcel) : this(
-		List(parcel.readInt()) { parcel.readMangaPage() }
-	)
-
-	override fun writeToParcel(parcel: Parcel, flags: Int) {
-		parcel.writeInt(pages.size)
-		for (page in pages) {
-			page.writeToParcel(parcel)
-		}
-	}
-
-	override fun describeContents(): Int {
-		return 0
-	}
-
-	override fun toString(): String {
-		return "ParcelableMangaPages(pages=$pages)"
-	}
-
-	companion object CREATOR : Parcelable.Creator<ParcelableMangaPages> {
-		override fun createFromParcel(parcel: Parcel): ParcelableMangaPages {
-			return ParcelableMangaPages(parcel)
-		}
-
-		override fun newArray(size: Int): Array<ParcelableMangaPages?> {
-			return arrayOfNulls(size)
-		}
-	}
-}

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

@@ -2,39 +2,26 @@ package org.koitharu.kotatsu.core.model.parcelable
 
 import android.os.Parcel
 import android.os.Parcelable
-import org.koitharu.kotatsu.core.util.ext.Set
+import kotlinx.parcelize.Parceler
+import kotlinx.parcelize.Parcelize
+import kotlinx.parcelize.TypeParceler
+import org.koitharu.kotatsu.core.util.ext.readSerializableCompat
 import org.koitharu.kotatsu.parsers.model.MangaTag
 
-class ParcelableMangaTags(
+object MangaTagParceler : Parceler<MangaTag> {
-	val tags: Set<MangaTag>,
+	override fun create(parcel: Parcel) = MangaTag(
-) : Parcelable {
+		title = parcel.readString()!!,
-
+		key = parcel.readString()!!,
-	constructor(parcel: Parcel) : this(
+		source = parcel.readSerializableCompat()!!,
-		Set(parcel.readInt()) { parcel.readMangaTag() },
 	)
 
-	override fun writeToParcel(parcel: Parcel, flags: Int) {
+	override fun MangaTag.write(parcel: Parcel, flags: Int) {
-		parcel.writeInt(tags.size)
+		parcel.writeString(title)
-		for (tag in tags) {
+		parcel.writeString(key)
-			tag.writeToParcel(parcel)
+		parcel.writeSerializable(source)
-		}
-	}
-
-	override fun describeContents(): Int {
-		return 0
-	}
-
-	override fun toString(): String {
-		return "ParcelableMangaTags(tags=$tags)"
-	}
-
-	companion object CREATOR : Parcelable.Creator<ParcelableMangaTags> {
-		override fun createFromParcel(parcel: Parcel): ParcelableMangaTags {
-			return ParcelableMangaTags(parcel)
-		}
-
-		override fun newArray(size: Int): Array<ParcelableMangaTags?> {
-			return arrayOfNulls(size)
-		}
 	}
 }
+
+@Parcelize
+@TypeParceler<MangaTag, MangaTagParceler>
+data class ParcelableMangaTags(val tags: Set<MangaTag>) : Parcelable

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

@@ -362,7 +362,7 @@ class DetailsActivity :
 
 		fun newIntent(context: Context, manga: Manga): Intent {
 			return Intent(context, DetailsActivity::class.java)
-				.putExtra(MangaIntent.KEY_MANGA, ParcelableManga(manga, withChapters = true))
+				.putExtra(MangaIntent.KEY_MANGA, ParcelableManga(manga))
 		}
 
 		fun newIntent(context: Context, mangaId: Long): Intent {

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

@@ -405,7 +405,7 @@ class ReaderActivity :
 			.setAction(ACTION_MANGA_READ)
 
 		fun manga(manga: Manga) = apply {
-			intent.putExtra(MangaIntent.KEY_MANGA, ParcelableManga(manga, withChapters = true))
+			intent.putExtra(MangaIntent.KEY_MANGA, ParcelableManga(manga))
 		}
 
 		fun mangaId(mangaId: Long) = apply {

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

@@ -20,7 +20,7 @@ import com.google.android.material.slider.Slider
 import dagger.hilt.android.AndroidEntryPoint
 import org.koitharu.kotatsu.R
 import org.koitharu.kotatsu.core.model.parcelable.ParcelableManga
-import org.koitharu.kotatsu.core.model.parcelable.ParcelableMangaPages
+import org.koitharu.kotatsu.core.model.parcelable.ParcelableMangaPage
 import org.koitharu.kotatsu.core.ui.BaseActivity
 import org.koitharu.kotatsu.core.util.ext.decodeRegion
 import org.koitharu.kotatsu.core.util.ext.enqueueWith
@@ -153,6 +153,6 @@ class ColorFilterConfigActivity :
 		fun newIntent(context: Context, manga: Manga, page: MangaPage) =
 			Intent(context, ColorFilterConfigActivity::class.java)
 				.putExtra(EXTRA_MANGA, ParcelableManga(manga, false))
-				.putExtra(EXTRA_PAGES, ParcelableMangaPages(listOf(page)))
+				.putExtra(EXTRA_PAGES, ParcelableMangaPage(page))
 	}
 }

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

@@ -5,7 +5,7 @@ import dagger.hilt.android.lifecycle.HiltViewModel
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.flow.MutableStateFlow
 import org.koitharu.kotatsu.core.model.parcelable.ParcelableManga
-import org.koitharu.kotatsu.core.model.parcelable.ParcelableMangaPages
+import org.koitharu.kotatsu.core.model.parcelable.ParcelableMangaPage
 import org.koitharu.kotatsu.core.parser.MangaDataRepository
 import org.koitharu.kotatsu.core.ui.BaseViewModel
 import org.koitharu.kotatsu.core.util.ext.MutableEventFlow
@@ -26,7 +26,7 @@ class ColorFilterConfigViewModel @Inject constructor(
 	private var initialColorFilter: ReaderColorFilter? = null
 	val colorFilter = MutableStateFlow<ReaderColorFilter?>(null)
 	val onDismiss = MutableEventFlow<Unit>()
-	val preview = savedStateHandle.require<ParcelableMangaPages>(ColorFilterConfigActivity.EXTRA_PAGES).pages.first()
+	val preview = savedStateHandle.require<ParcelableMangaPage>(ColorFilterConfigActivity.EXTRA_PAGES).page
 
 	val isChanged: Boolean
 		get() = colorFilter.value != initialColorFilter

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

@@ -192,7 +192,7 @@ class PagesThumbnailsSheet :
 
 		fun show(fm: FragmentManager, manga: Manga, chapterId: Long, currentPage: Int = -1) {
 			PagesThumbnailsSheet().withArgs(3) {
-				putParcelable(ARG_MANGA, ParcelableManga(manga, true))
+				putParcelable(ARG_MANGA, ParcelableManga(manga))
 				putLong(ARG_CHAPTER_ID, chapterId)
 				putInt(ARG_CURRENT_PAGE, currentPage)
 			}.showDistinct(fm, TAG)