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