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viewer: swipe down to exit

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This commit is contained in:
Thibault Deckers 2020-04-02 10:42:44 +09:00
parent 50632b5212
commit 2a7482d6d4
1 changed files with 10 additions and 9 deletions
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19
lib/widgets/fullscreen/fullscreen_body.dart
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@ -54,7 +54,7 @@ class FullscreenBodyState extends State<FullscreenBody> with SingleTickerProvide
List<ImageEntry> get entries => hasCollection ? collection.sortedEntries : [widget.initialEntry]; List<ImageEntry> get entries => hasCollection ? collection.sortedEntries : [widget.initialEntry];
List<String> get pages => hasCollection ? ['transition', 'image', 'info'] : ['image', 'info']; List<String> get pages => ['transition', 'image', 'info'];
int get transitionPage => pages.indexOf('transition'); int get transitionPage => pages.indexOf('transition');
@ -131,10 +131,6 @@ class FullscreenBodyState extends State<FullscreenBody> with SingleTickerProvide
_goToVerticalPage(imagePage); _goToVerticalPage(imagePage);
return SynchronousFuture(false); return SynchronousFuture(false);
} }
if (!ModalRoute.of(context).canPop) {
// exit app when trying to pop a fullscreen page that is a viewer for a single entry
exit(0);
}
_onLeave(); _onLeave();
return SynchronousFuture(true); return SynchronousFuture(true);
}, },
@ -242,9 +238,15 @@ class FullscreenBodyState extends State<FullscreenBody> with SingleTickerProvide
setState(() {}); setState(() {});
} }
// system UI void _onLeave() {
if (!ModalRoute.of(context).canPop) {
// exit app when trying to pop a fullscreen page that is a viewer for a single entry
exit(0);
}
_showSystemUI();
}
void _onLeave() => _showSystemUI(); // system UI
void _showSystemUI() => SystemChrome.setEnabledSystemUIOverlays(SystemUiOverlay.values); void _showSystemUI() => SystemChrome.setEnabledSystemUIOverlays(SystemUiOverlay.values);
@ -367,8 +369,7 @@ class _FullscreenVerticalPageViewState extends State<FullscreenVerticalPageView>
final onScaleChanged = (state) => setState(() => _isInitialScale = state == PhotoViewScaleState.initial); final onScaleChanged = (state) => setState(() => _isInitialScale = state == PhotoViewScaleState.initial);
final pages = [ final pages = [
// fake page for opacity transition between collection and fullscreen views // fake page for opacity transition between collection and fullscreen views
if (hasCollection) const SizedBox(),
const SizedBox(),
hasCollection hasCollection
? MultiImagePage( ? MultiImagePage(
collection: collection, collection: collection,