aves/lib/widgets/viewer/visual/video.dart
2021-04-16 12:28:56 +09:00

84 lines
2.4 KiB
Dart

import 'dart:ui';
import 'package:aves/model/entry.dart';
import 'package:aves/model/entry_images.dart';
import 'package:aves/model/settings/settings.dart';
import 'package:aves/theme/durations.dart';
import 'package:aves/widgets/collection/collection_page.dart';
import 'package:aves/widgets/common/video/controller.dart';
import 'package:flutter/material.dart';
class VideoView extends StatefulWidget {
final AvesEntry entry;
final AvesVideoController controller;
const VideoView({
Key key,
@required this.entry,
@required this.controller,
}) : super(key: key);
@override
State<StatefulWidget> createState() => _VideoViewState();
}
class _VideoViewState extends State<VideoView> {
AvesEntry get entry => widget.entry;
AvesVideoController get controller => widget.controller;
@override
void initState() {
super.initState();
_registerWidget(widget);
}
@override
void didUpdateWidget(covariant VideoView oldWidget) {
super.didUpdateWidget(oldWidget);
_unregisterWidget(oldWidget);
_registerWidget(widget);
}
@override
void dispose() {
_unregisterWidget(widget);
super.dispose();
}
void _registerWidget(VideoView widget) {
widget.controller.playCompletedListenable.addListener(_onPlayCompleted);
}
void _unregisterWidget(VideoView widget) {
widget.controller.playCompletedListenable.removeListener(_onPlayCompleted);
}
@override
Widget build(BuildContext context) {
if (controller == null) return SizedBox();
return StreamBuilder<VideoStatus>(
stream: controller.statusStream,
builder: (context, snapshot) {
return Stack(
fit: StackFit.expand,
children: [
if (controller.isPlayable) controller.buildPlayerWidget(context, entry),
// fade out image to ease transition with the player as it starts with a black texture
AnimatedOpacity(
opacity: controller.isPlayable ? 0 : 1,
curve: Curves.easeInCirc,
duration: Durations.viewerVideoPlayerTransition,
child: Image(
image: entry.getBestThumbnail(settings.getTileExtent(CollectionPage.routeName)),
fit: BoxFit.fill,
),
),
],
);
});
}
// not called when looping
void _onPlayCompleted() => controller.seekTo(0);
}