Atte149/book-story
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fix(reader): incorrect scroll position

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Resolves: #237
This commit is contained in:
Acclorite 2025-06-28 11:39:54 +03:00
parent 19db53473d
commit 6878ecac86
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GPG key ID: 6E54C611F6EE8593
1 changed files with 31 additions and 27 deletions
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12
app/src/main/java/ua/acclorite/book_story/presentation/reader/ReaderModel.kt
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@ -493,13 +493,18 @@ class ReaderModel @Inject constructor(
} }
@OptIn(FlowPreview::class) @OptIn(FlowPreview::class)
fun updateProgress(listState: LazyListState) { suspend fun updateProgress(listState: LazyListState) {
viewModelScope.launch(Dispatchers.Main) {
snapshotFlow { snapshotFlow {
listState.firstVisibleItemIndex to listState.firstVisibleItemScrollOffset listState.firstVisibleItemIndex to listState.firstVisibleItemScrollOffset
}.distinctUntilChanged().debounce(300).collectLatest { (index, offset) -> }.distinctUntilChanged().debounce(300).collectLatest { (index, offset) ->
if (
_state.value.isLoading ||
listState.layoutInfo.totalItemsCount == 0 ||
_state.value.text.isEmpty() ||
_state.value.errorMessage != null
) return@collectLatest
val progress = calculateProgress(index) val progress = calculateProgress(index)
if (progress == _state.value.book.progress) return@collectLatest
val (currentChapter, currentChapterProgress) = calculateCurrentChapter(index) val (currentChapter, currentChapterProgress) = calculateCurrentChapter(index)
Log.i( Log.i(
@ -524,7 +529,6 @@ class ReaderModel @Inject constructor(
HistoryScreen.refreshListChannel.trySend(0) HistoryScreen.refreshListChannel.trySend(0)
} }
} }
}
fun findChapterIndexAndLength(index: Int): Pair<Int, Int> { fun findChapterIndexAndLength(index: Int): Pair<Int, Int> {
return findCurrentChapter(index)?.let { chapter -> return findCurrentChapter(index)?.let { chapter ->