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chore(mobile): simplify drag logic (#26291)

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We were manually tracking whether gestures should be blocked, which was
a remnant of how the old code worked. This is no longer needed as we
have better heuristics for knowing whether we should skip drag updates
now.

Co-authored-by: Alex <alex.tran1502@gmail.com>
This commit is contained in:
Thomas
2026-02-19 20:18:44 +00:00
committed by GitHub
parent b2a510efee
commit a43680c8b1
1 changed files with 6 additions and 17 deletions
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23
mobile/lib/presentation/widgets/asset_viewer/asset_page.widget.dart
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@@ -45,7 +45,6 @@ class _AssetPageState extends ConsumerState<AssetPage> {
late PhotoViewControllerValue _initialPhotoViewState;
bool _blockGestures = false;
bool _showingDetails = false;
bool _isZoomed = false;
@@ -58,7 +57,6 @@ class _AssetPageState extends ConsumerState<AssetPage> {
DragStartDetails? _dragStart;
_DragIntent _dragIntent = _DragIntent.none;
Drag? _drag;
bool _dragInProgress = false;
bool _shouldPopOnDrag = false;
@override
@@ -137,9 +135,7 @@ class _AssetPageState extends ConsumerState<AssetPage> {
}
void _updateDrag(DragUpdateDetails details) {
if (_blockGestures) return;
_dragInProgress = true;
if (_dragStart == null) return;
if (_dragIntent == _DragIntent.none) {
_dragIntent = switch ((details.globalPosition - _dragStart!.globalPosition).dy) {
@@ -160,16 +156,12 @@ class _AssetPageState extends ConsumerState<AssetPage> {
}
void _endDrag(DragEndDetails details) {
_dragInProgress = false;
if (_dragStart == null) return;
if (_blockGestures) {
_blockGestures = false;
return;
}
_dragStart = null;
final intent = _dragIntent;
_dragIntent = _DragIntent.none;
_dragStart = null;
switch (intent) {
case _DragIntent.none:
@@ -201,10 +193,7 @@ class _AssetPageState extends ConsumerState<AssetPage> {
PhotoViewScaleStateController scaleStateController,
) {
_viewController = controller;
if (!_showingDetails && _isZoomed) {
_blockGestures = true;
return;
}
if (!_showingDetails && _isZoomed) return;
_beginDrag(details);
}
@@ -235,7 +224,7 @@ class _AssetPageState extends ConsumerState<AssetPage> {
}
void _onTapUp(BuildContext context, TapUpDetails details, PhotoViewControllerValue controllerValue) {
if (!_showingDetails && !_dragInProgress) _viewer.toggleControls();
if (!_showingDetails && _dragStart == null) _viewer.toggleControls();
}
void _onLongPress(BuildContext context, LongPressStartDetails details, PhotoViewControllerValue controllerValue) =>
@@ -249,7 +238,7 @@ class _AssetPageState extends ConsumerState<AssetPage> {
_viewer.setZoomed(_isZoomed);
if (scaleState != PhotoViewScaleState.initial) {
if (!_dragInProgress) _viewer.setControls(false);
if (_dragStart == null) _viewer.setControls(false);
ref.read(videoPlayerControlsProvider.notifier).pause();
return;