Add swipe actions for chapters (#9304)

* added chapter swipe

* Rework corner animtion

* Update i18n/src/main/res/values/strings.xml

Co-authored-by: arkon <arkon@users.noreply.github.com>

* Replace LTR/RTL with Start/End layout

* Added label to the animation so the warning will go away

* Getting rid of the swipe threshold setting

* adding disabled option, renaming stuff, other stuff?

* Getting rid of the snackbar

* Getting rid of unecessary strings

* changing enum names as requested

* Renaming Raio to Ratio (I need a better keyboard as well -__-)

* Replacing error with download icon and action

* backup

* minor cleanup

* fixing an nasty edge case

* fixing mistakes in the previous conflict

* space

* fixing bug

fixed bug where the user could dismiss already dismissed item leading to item getting stuck

* fixing lint errors

* fixing lints (hopefully)

* Added "swipe disabled" to the list of actions

* Replacing string value and moving value as requested

* replacing rest of the strings with generic ones

---------

Co-authored-by: arkon <arkon@users.noreply.github.com>

app/src/main/java/eu/kanade/tachiyomi/ui/manga/MangaScreen.kt

@@ -101,6 +101,8 @@ class MangaScreen(
             dateRelativeTime = screenModel.relativeTime,
             dateFormat = screenModel.dateFormat,
             isTabletUi = isTabletUi(),
+            chapterSwipeEndAction = screenModel.chapterSwipeEndAction,
+            chapterSwipeStartAction = screenModel.chapterSwipeStartAction,
             onBackClicked = navigator::pop,
             onChapterClicked = { openChapter(context, it) },
             onDownloadChapter = screenModel::runChapterDownloadActions.takeIf { !successState.source.isLocalOrStub() },
@@ -125,6 +127,7 @@ class MangaScreen(
             onMultiMarkAsReadClicked = screenModel::markChaptersRead,
             onMarkPreviousAsReadClicked = screenModel::markPreviousChapterRead,
             onMultiDeleteClicked = screenModel::showDeleteChapterDialog,
+            onChapterSwipe = screenModel::chapterSwipe,
             onChapterSelected = screenModel::toggleSelection,
             onAllChapterSelected = screenModel::toggleAllSelection,
             onInvertSelection = screenModel::invertSelection,

app/src/main/java/eu/kanade/tachiyomi/ui/manga/MangaScreenModel.kt

@@ -121,6 +121,9 @@ class MangaInfoScreenModel(
     private val filteredChapters: Sequence<ChapterItem>?
         get() = successState?.processedChapters
 
+    val chapterSwipeEndAction = libraryPreferences.swipeEndAction().get()
+    val chapterSwipeStartAction = libraryPreferences.swipeStartAction().get()
+
     val relativeTime by uiPreferences.relativeTime().asState(coroutineScope)
     val dateFormat by mutableStateOf(UiPreferences.dateFormat(uiPreferences.dateFormat().get()))
     private val skipFiltered by readerPreferences.skipFiltered().asState(coroutineScope)
@@ -523,6 +526,49 @@ class MangaInfoScreenModel(
         }
     }
 
+    /**
+     * @throws IllegalStateException if the swipe action is [LibraryPreferences.ChapterSwipeAction.Disabled]
+     */
+    fun chapterSwipe(chapterItem: ChapterItem, swipeAction: LibraryPreferences.ChapterSwipeAction) {
+        coroutineScope.launch {
+            executeChapterSwipeAction(chapterItem, swipeAction)
+        }
+    }
+
+    /**
+     * @throws IllegalStateException if the swipe action is [LibraryPreferences.ChapterSwipeAction.Disabled]
+     */
+    private fun executeChapterSwipeAction(
+        chapterItem: ChapterItem,
+        swipeAction: LibraryPreferences.ChapterSwipeAction,
+    ) {
+        val chapter = chapterItem.chapter
+        when (swipeAction) {
+            LibraryPreferences.ChapterSwipeAction.ToggleRead -> {
+                markChaptersRead(listOf(chapter), !chapter.read)
+            }
+            LibraryPreferences.ChapterSwipeAction.ToggleBookmark -> {
+                bookmarkChapters(listOf(chapter), !chapter.bookmark)
+            }
+            LibraryPreferences.ChapterSwipeAction.Download -> {
+                val downloadAction: ChapterDownloadAction = when (chapterItem.downloadState) {
+                    Download.State.ERROR,
+                    Download.State.NOT_DOWNLOADED,
+                    -> ChapterDownloadAction.START_NOW
+                    Download.State.QUEUE,
+                    Download.State.DOWNLOADING,
+                    -> ChapterDownloadAction.CANCEL
+                    Download.State.DOWNLOADED -> ChapterDownloadAction.DELETE
+                }
+                runChapterDownloadActions(
+                    items = listOf(chapterItem),
+                    action = downloadAction,
+                )
+            }
+            LibraryPreferences.ChapterSwipeAction.Disabled -> throw IllegalStateException()
+        }
+    }
+
     /**
      * Returns the next unread chapter or null if everything is read.
      */