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#132 load full video cover, wrapped in magnifier

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Thibault Deckers 2021-11-30 18:32:16 +09:00
parent 5d61d28838
commit 8c535dcb9c
1 changed files with 38 additions and 8 deletions
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46
lib/widgets/viewer/visual/entry_page_view.dart
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@ -1,6 +1,7 @@
import 'dart:async'; import 'dart:async';
import 'package:aves/model/entry.dart'; import 'package:aves/model/entry.dart';
import 'package:aves/model/entry_images.dart';
import 'package:aves/model/settings/accessibility_animations.dart'; import 'package:aves/model/settings/accessibility_animations.dart';
import 'package:aves/model/settings/settings.dart'; import 'package:aves/model/settings/settings.dart';
import 'package:aves/theme/durations.dart'; import 'package:aves/theme/durations.dart';
@ -46,6 +47,9 @@ class _EntryPageViewState extends State<EntryPageView> {
late ValueNotifier<ViewState> _viewStateNotifier; late ValueNotifier<ViewState> _viewStateNotifier;
late MagnifierController _magnifierController; late MagnifierController _magnifierController;
final List<StreamSubscription> _subscriptions = []; final List<StreamSubscription> _subscriptions = [];
ImageStream? _videoCoverStream;
late ImageStreamListener _videoCoverStreamListener;
final ValueNotifier<ImageInfo?> _videoCoverInfoNotifier = ValueNotifier(null);
AvesEntry get mainEntry => widget.mainEntry; AvesEntry get mainEntry => widget.mainEntry;
@ -83,9 +87,17 @@ class _EntryPageViewState extends State<EntryPageView> {
_magnifierController = MagnifierController(); _magnifierController = MagnifierController();
_subscriptions.add(_magnifierController.stateStream.listen(_onViewStateChanged)); _subscriptions.add(_magnifierController.stateStream.listen(_onViewStateChanged));
_subscriptions.add(_magnifierController.scaleBoundariesStream.listen(_onViewScaleBoundariesChanged)); _subscriptions.add(_magnifierController.scaleBoundariesStream.listen(_onViewScaleBoundariesChanged));
if (entry.isVideo) {
_videoCoverStreamListener = ImageStreamListener((image, _) => _videoCoverInfoNotifier.value = image);
_videoCoverStream = entry.uriImage.resolve(ImageConfiguration.empty);
_videoCoverStream!.addListener(_videoCoverStreamListener);
}
} }
void _unregisterWidget() { void _unregisterWidget() {
_videoCoverStream?.removeListener(_videoCoverStreamListener);
_videoCoverStream = null;
_videoCoverInfoNotifier.value = null;
_magnifierController.dispose(); _magnifierController.dispose();
_subscriptions _subscriptions
..forEach((sub) => sub.cancel()) ..forEach((sub) => sub.cancel())
@ -202,14 +214,32 @@ class _EntryPageViewState extends State<EntryPageView> {
opacity: showCover ? 1 : 0, opacity: showCover ? 1 : 0,
curve: Curves.easeInCirc, curve: Curves.easeInCirc,
duration: Durations.viewerVideoPlayerTransition, duration: Durations.viewerVideoPlayerTransition,
child: GestureDetector( child: ValueListenableBuilder<ImageInfo?>(
onTap: _onTap, valueListenable: _videoCoverInfoNotifier,
child: ThumbnailImage( builder: (context, videoCoverInfo, child) {
entry: entry, if (videoCoverInfo == null) {
extent: context.select<MediaQueryData, double>((mq) => mq.size.shortestSide), return GestureDetector(
fit: BoxFit.contain, onTap: _onTap,
showLoadingBackground: false, child: ThumbnailImage(
), entry: entry,
extent: context.select<MediaQueryData, double>((mq) => mq.size.shortestSide),
fit: BoxFit.contain,
showLoadingBackground: false,
),
);
}
// full cover image
return _buildMagnifier(
displaySize: Size(
videoCoverInfo.image.width.toDouble(),
videoCoverInfo.image.height.toDouble(),
),
child: Image(
image: entry.uriImage,
),
);
},
), ),
), ),
); );