fluffychat/lib/pages/video_viewer.dart

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2021-08-08 17:55:00 +02:00
import 'dart:io';
import 'package:matrix/matrix.dart';
import 'package:flutter/material.dart';
import 'package:vrouter/vrouter.dart';
import 'package:chewie/chewie.dart';
import 'package:video_player/video_player.dart';
import 'package:path_provider/path_provider.dart';
import 'views/video_viewer_view.dart';
import '../widgets/matrix.dart';
import '../utils/matrix_sdk_extensions.dart/event_extension.dart';
import '../utils/platform_infos.dart';
class VideoViewer extends StatefulWidget {
final Event event;
const VideoViewer(this.event, {Key key}) : super(key: key);
@override
VideoViewerController createState() => VideoViewerController();
}
class VideoViewerController extends State<VideoViewer> {
VideoPlayerController videoPlayerController;
ChewieController chewieController;
dynamic error;
@override
void initState() {
super.initState();
(() async {
try {
if (widget.event.content['file'] is Map) {
if (PlatformInfos.isWeb) {
throw 'Encrypted videos unavailable in web';
}
final tempDirectory = (await getTemporaryDirectory()).path;
final mxcUri = widget.event.content
.tryGet<Map<String, dynamic>>('file')
?.tryGet<String>('url');
if (mxcUri == null) {
throw 'No mxc uri found';
}
// somehow the video viewer doesn't like the uri-encoded slashes, so we'll just gonna replace them with hyphons
final file = File(
'$tempDirectory/videos/${mxcUri.replaceAll(':', '').replaceAll('/', '-')}');
if (await file.exists() == false) {
final matrixFile =
await widget.event.downloadAndDecryptAttachmentCached();
await file.create(recursive: true);
await file.writeAsBytes(matrixFile.bytes);
}
videoPlayerController = VideoPlayerController.file(file);
} else if (widget.event.content['url'] is String) {
videoPlayerController = VideoPlayerController.network(
widget.event.getAttachmentUrl()?.toString());
} else {
throw 'invalid event';
}
await videoPlayerController.initialize();
chewieController = ChewieController(
videoPlayerController: videoPlayerController,
autoPlay: true,
looping: false,
);
setState(() => null);
} catch (e) {
setState(() => error = e);
}
})();
}
@override
void dispose() {
chewieController?.dispose();
videoPlayerController?.dispose();
super.dispose();
}
/// Forward this video to another room.
void forwardAction() {
Matrix.of(context).shareContent = widget.event.content;
VRouter.of(context).to('/rooms');
}
/// Save this file with a system call.
void saveFileAction() => widget.event.saveFile(context);
@override
Widget build(BuildContext context) => VideoViewerView(this);
}