115 lines
3.5 KiB
Dart
115 lines
3.5 KiB
Dart
import 'dart:async';
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import 'dart:ui';
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import 'package:aves/image_providers/uri_image_provider.dart';
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import 'package:aves/model/image_entry.dart';
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import 'package:flutter/material.dart';
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import 'package:flutter_ijkplayer/flutter_ijkplayer.dart';
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class AvesVideo extends StatefulWidget {
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final ImageEntry entry;
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final IjkMediaController 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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final List<StreamSubscription> _subscriptions = [];
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ImageEntry get entry => widget.entry;
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IjkMediaController get controller => widget.controller;
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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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}
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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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void _registerWidget(AvesVideo widget) {
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_subscriptions.add(widget.controller.playFinishStream.listen(_onPlayFinish));
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}
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void _unregisterWidget(AvesVideo widget) {
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_subscriptions
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..forEach((sub) => sub.cancel())
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..clear();
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}
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bool isPlayable(IjkStatus status) => controller != null && [IjkStatus.prepared, IjkStatus.playing, IjkStatus.pause, IjkStatus.complete].contains(status);
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@override
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Widget build(BuildContext context) {
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if (controller == null) return SizedBox();
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return StreamBuilder<IjkStatus>(
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stream: widget.controller.ijkStatusStream,
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builder: (context, snapshot) {
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final status = snapshot.data;
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return isPlayable(status)
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? IjkPlayer(
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mediaController: controller,
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controllerWidgetBuilder: (controller) => SizedBox.shrink(),
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statusWidgetBuilder: (context, controller, status) => SizedBox.shrink(),
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textureBuilder: (context, controller, info) {
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var id = controller.textureId;
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var child = id != null
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? Texture(
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textureId: id,
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)
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: Container(
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color: Colors.black,
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);
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final degree = entry.rotationDegrees ?? 0;
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if (degree != 0) {
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child = RotatedBox(
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quarterTurns: degree ~/ 90,
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child: child,
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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.displayAspectRatio,
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child: child,
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),
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);
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},
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backgroundColor: Colors.transparent,
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)
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: Image(
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image: UriImage(
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uri: entry.uri,
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mimeType: entry.mimeType,
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rotationDegrees: entry.rotationDegrees,
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isFlipped: entry.isFlipped,
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expectedContentLength: entry.sizeBytes,
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),
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width: entry.width.toDouble(),
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height: entry.height.toDouble(),
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);
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});
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}
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void _onPlayFinish(IjkMediaController controller) => controller.seekTo(0);
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}
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