ReaderViewModel: Fix saved state (#9807)

Also save page index
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Ivan Iskandar 2023-08-05 20:47:02 +07:00 committed by GitHub
parent d874f20362
commit af0fdfa3b7
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@ -79,8 +79,8 @@ import java.util.Date
/**
* Presenter used by the activity to perform background operations.
*/
class ReaderViewModel(
private val savedState: SavedStateHandle = SavedStateHandle(),
class ReaderViewModel @JvmOverloads constructor(
private val savedState: SavedStateHandle,
private val sourceManager: SourceManager = Injekt.get(),
private val downloadManager: DownloadManager = Injekt.get(),
private val downloadProvider: DownloadProvider = Injekt.get(),
@ -120,6 +120,15 @@ class ReaderViewModel(
field = value
}
/**
* The visible page index of the currently loaded chapter. Used to restore from process kill.
*/
private var chapterPageIndex = savedState.get<Int>("page_index") ?: -1
set(value) {
savedState["page_index"] = value
field = value
}
/**
* The chapter loader for the loaded manga. It'll be null until [manga] is set.
*/
@ -198,7 +207,10 @@ class ReaderViewModel(
.distinctUntilChanged()
.filterNotNull()
.onEach { currentChapter ->
if (!currentChapter.chapter.read) {
if (chapterPageIndex >= 0) {
// Restore from SavedState
currentChapter.requestedPage = chapterPageIndex
} else if (!currentChapter.chapter.read) {
currentChapter.requestedPage = currentChapter.chapter.last_page_read
}
chapterId = currentChapter.chapter.id!!
@ -490,6 +502,7 @@ class ReaderViewModel(
it.copy(currentPage = pageIndex + 1)
}
readerChapter.requestedPage = pageIndex
chapterPageIndex = pageIndex
if (!incognitoMode && page.status != Page.State.ERROR) {
readerChapter.chapter.last_page_read = pageIndex