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fix timeline not updated on orientation change

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This commit is contained in:
shenlong-tanwen
2026-04-27 01:37:01 +05:30
parent 4eaac35aa6
commit ea53d6ac39
5 changed files with 167 additions and 60 deletions
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mobile/lib/presentation/widgets/timeline/timeline.widget.dart
+49 -25
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@@ -71,10 +71,9 @@ class Timeline extends StatelessWidget {
builder: (_, constraints) => ProviderScope(
overrides: [
timelineArgsProvider.overrideWith(
(ref) => TimelineArgs(
maxWidth: constraints.maxWidth,
maxHeight: constraints.maxHeight,
columnCount: ref.watch(settingsProvider.select((s) => s.get(Setting.tilesPerRow))),
() => TimelineArgsNotifier(
initialMaxWidth: constraints.maxWidth,
initialMaxHeight: constraints.maxHeight,
showStorageIndicator: showStorageIndicator,
withStack: withStack,
groupBy: groupBy,
@@ -92,6 +91,7 @@ class Timeline extends StatelessWidget {
persistentBottomBar: persistentBottomBar,
snapToMonth: snapToMonth,
maxWidth: constraints.maxWidth,
maxHeight: constraints.maxHeight,
loadingWidget: loadingWidget,
),
),
@@ -122,6 +122,7 @@ class _SliverTimeline extends ConsumerStatefulWidget {
this.persistentBottomBar = false,
this.snapToMonth = true,
this.maxWidth,
this.maxHeight,
this.loadingWidget,
});
@@ -134,6 +135,7 @@ class _SliverTimeline extends ConsumerStatefulWidget {
final bool persistentBottomBar;
final bool snapToMonth;
final double? maxWidth;
final double? maxHeight;
final Widget? loadingWidget;
@override
@@ -172,13 +174,21 @@ class _SliverTimelineState extends ConsumerState<_SliverTimeline> {
@override
void didUpdateWidget(covariant _SliverTimeline oldWidget) {
super.didUpdateWidget(oldWidget);
if (widget.maxWidth != oldWidget.maxWidth) {
final asyncSegments = ref.read(timelineSegmentProvider);
asyncSegments.whenData((segments) {
final index = _getCurrentAssetIndex(segments);
// Refresh to wait for new segments to be generated with the updated width before restoring the scroll position
final _ = ref.refresh(timelineArgsProvider);
_restoreAssetIndex = index;
if (widget.maxWidth != oldWidget.maxWidth || widget.maxHeight != oldWidget.maxHeight) {
final segments = ref.read(timelineSegmentProvider).value;
int? restoreAssetIndex;
if (segments != null) {
restoreAssetIndex = _getCurrentAssetIndex(segments);
}
WidgetsBinding.instance.addPostFrameCallback((_) {
if (mounted) {
ref
.read(timelineArgsProvider.notifier)
.updateConstraints(maxWidth: widget.maxWidth!, maxHeight: widget.maxHeight!);
final _ = ref.refresh(timelineSegmentProvider);
_restoreAssetIndex = restoreAssetIndex;
_restoreAssetPosition(null);
}
});
}
}
@@ -200,26 +210,40 @@ class _SliverTimelineState extends ConsumerState<_SliverTimeline> {
}
}
void _restorePosition(List<Segment> segments) {
final targetSegment = segments.lastWhereOrNull((segment) => segment.firstAssetIndex <= _restoreAssetIndex!);
if (targetSegment == null) {
_restoreAssetIndex = null;
return;
}
final assetIndexInSegment = _restoreAssetIndex! - targetSegment.firstAssetIndex;
final newColumnCount = ref.read(timelineArgsProvider).columnCount;
final rowIndexInSegment = (assetIndexInSegment / newColumnCount).floor();
final targetRowIndex = targetSegment.firstIndex + 1 + rowIndexInSegment;
final targetOffset = targetSegment.indexToLayoutOffset(targetRowIndex);
WidgetsBinding.instance.addPostFrameCallback((_) {
if (mounted && _scrollController.hasClients) {
_scrollController.jumpTo(targetOffset.clamp(0.0, _scrollController.position.maxScrollExtent));
}
});
_restoreAssetIndex = null;
}
void _restoreAssetPosition(_) {
if (_restoreAssetIndex == null) return;
final asyncSegments = ref.read(timelineSegmentProvider);
asyncSegments.whenData((segments) {
final targetSegment = segments.lastWhereOrNull((segment) => segment.firstAssetIndex <= _restoreAssetIndex!);
if (targetSegment != null) {
final assetIndexInSegment = _restoreAssetIndex! - targetSegment.firstAssetIndex;
final newColumnCount = ref.read(timelineArgsProvider).columnCount;
final rowIndexInSegment = (assetIndexInSegment / newColumnCount).floor();
final targetRowIndex = targetSegment.firstIndex + 1 + rowIndexInSegment;
final targetOffset = targetSegment.indexToLayoutOffset(targetRowIndex);
WidgetsBinding.instance.addPostFrameCallback((_) {
if (mounted) {
_scrollController.jumpTo(targetOffset.clamp(0.0, _scrollController.position.maxScrollExtent));
}
});
if (asyncSegments is AsyncData<List<Segment>>) {
_restorePosition(asyncSegments.value);
return;
}
late ProviderSubscription<AsyncValue<List<Segment>>> sub;
sub = ref.listenManual<AsyncValue<List<Segment>>>(timelineSegmentProvider, (_, next) {
if (next is AsyncData<List<Segment>>) {
sub.close();
_restorePosition(next.value);
}
});
_restoreAssetIndex = null;
}
void _onMultiSelectionToggled(_, bool isEnabled) {