86 lines
2 KiB
Dart
86 lines
2 KiB
Dart
import 'dart:math';
|
|
|
|
import 'package:aves/model/image_entry.dart';
|
|
import 'package:aves/widgets/common/image_preview.dart';
|
|
import 'package:flutter/material.dart';
|
|
import 'package:video_player/video_player.dart';
|
|
|
|
class AvesVideo extends StatefulWidget {
|
|
final ImageEntry entry;
|
|
final VideoPlayerController controller;
|
|
|
|
const AvesVideo({
|
|
Key key,
|
|
@required this.entry,
|
|
@required this.controller,
|
|
}) : super(key: key);
|
|
|
|
@override
|
|
State<StatefulWidget> createState() => AvesVideoState();
|
|
}
|
|
|
|
class AvesVideoState extends State<AvesVideo> {
|
|
ImageEntry get entry => widget.entry;
|
|
|
|
VideoPlayerValue get value => widget.controller.value;
|
|
|
|
@override
|
|
void initState() {
|
|
super.initState();
|
|
registerWidget(widget);
|
|
_onValueChange();
|
|
}
|
|
|
|
@override
|
|
void didUpdateWidget(AvesVideo oldWidget) {
|
|
super.didUpdateWidget(oldWidget);
|
|
unregisterWidget(oldWidget);
|
|
registerWidget(widget);
|
|
}
|
|
|
|
@override
|
|
void dispose() {
|
|
unregisterWidget(widget);
|
|
super.dispose();
|
|
}
|
|
|
|
registerWidget(AvesVideo widget) {
|
|
widget.controller.addListener(_onValueChange);
|
|
}
|
|
|
|
unregisterWidget(AvesVideo widget) {
|
|
widget.controller.removeListener(_onValueChange);
|
|
}
|
|
|
|
@override
|
|
Widget build(BuildContext context) {
|
|
if (value == null) return SizedBox();
|
|
if (value.hasError) {
|
|
final mediaQuery = MediaQuery.of(context);
|
|
final width = min<double>(mediaQuery.size.width, entry.width.toDouble());
|
|
return ImagePreview(
|
|
entry: entry,
|
|
width: width,
|
|
height: width / entry.aspectRatio,
|
|
devicePixelRatio: mediaQuery.devicePixelRatio,
|
|
builder: (bytes) => Image.memory(bytes),
|
|
);
|
|
}
|
|
return Center(
|
|
child: AspectRatio(
|
|
aspectRatio: entry.aspectRatio,
|
|
child: VideoPlayer(widget.controller),
|
|
),
|
|
);
|
|
}
|
|
|
|
_onValueChange() {
|
|
if (!value.isPlaying && value.position == value.duration) goToBeginning();
|
|
setState(() {});
|
|
}
|
|
|
|
goToBeginning() async {
|
|
await widget.controller.seekTo(Duration.zero);
|
|
await widget.controller.pause();
|
|
}
|
|
}
|