import 'dart:async'; import 'dart:io'; import 'package:audioplayers/audioplayers.dart'; import 'package:famedlysdk/famedlysdk.dart'; import 'package:fluffychat/utils/sentry_controller.dart'; import 'package:fluffychat/widgets/event_content/message_download_content.dart'; import 'package:flutter/foundation.dart'; import 'package:flutter/material.dart'; import 'package:path_provider/path_provider.dart'; import 'package:universal_html/html.dart' as html; import 'package:flutter_gen/gen_l10n/l10n.dart'; import '../../utils/ui_fake.dart' if (dart.library.html) 'dart:ui' as ui; import '../matrix.dart'; import '../../utils/matrix_sdk_extensions.dart/event_extension.dart'; class AudioPlayerWidget extends StatefulWidget { final Color color; final Event event; static String currentId; const AudioPlayerWidget(this.event, {this.color = Colors.black, Key key}) : super(key: key); @override _AudioPlayerState createState() => _AudioPlayerState(); } enum AudioPlayerStatus { notDownloaded, downloading, downloaded } class _AudioPlayerState extends State { AudioPlayerStatus status = AudioPlayerStatus.notDownloaded; final AudioPlayer audioPlayer = AudioPlayer(); StreamSubscription onAudioPositionChanged; StreamSubscription onDurationChanged; StreamSubscription onPlayerStateChanged; StreamSubscription onPlayerError; String statusText = '00:00'; double currentPosition = 0; double maxPosition = 0; File audioFile; String webSrcUrl; @override void initState() { super.initState(); if (kIsWeb) { ui.platformViewRegistry.registerViewFactory( 'web_audio_player', (int viewId) => html.AudioElement() ..src = webSrcUrl ..autoplay = false ..controls = true ..style.border = 'none'); } } @override void dispose() { if (audioPlayer.state == AudioPlayerState.PLAYING) { audioPlayer.stop(); } onAudioPositionChanged?.cancel(); onDurationChanged?.cancel(); onPlayerStateChanged?.cancel(); onPlayerError?.cancel(); super.dispose(); } Future _downloadAction() async { if (status != AudioPlayerStatus.notDownloaded) return; setState(() => status = AudioPlayerStatus.downloading); try { final matrixFile = await widget.event.downloadAndDecryptAttachmentCached(); final tempDir = await getTemporaryDirectory(); final fileName = matrixFile.name.contains('.') ? matrixFile.name : '${matrixFile.name}.mp3'; final file = File('${tempDir.path}/$fileName'); await file.writeAsBytes(matrixFile.bytes); setState(() { audioFile = file; status = AudioPlayerStatus.downloaded; }); _playAction(); } catch (e, s) { Logs().v('Could not download audio file', e, s); ScaffoldMessenger.of(context).showSnackBar( SnackBar( content: Text(e.toLocalizedString(context)), ), ); } } void _playAction() async { if (AudioPlayerWidget.currentId != widget.event.eventId) { if (AudioPlayerWidget.currentId != null) { if (audioPlayer.state != AudioPlayerState.STOPPED) { await audioPlayer.stop(); setState(() => null); } } AudioPlayerWidget.currentId = widget.event.eventId; } switch (audioPlayer.state) { case AudioPlayerState.PLAYING: await audioPlayer.pause(); break; case AudioPlayerState.PAUSED: await audioPlayer.resume(); break; case AudioPlayerState.STOPPED: default: onAudioPositionChanged ??= audioPlayer.onAudioPositionChanged.listen((state) { setState(() { statusText = '${state.inMinutes.toString().padLeft(2, '0')}:${(state.inSeconds % 60).toString().padLeft(2, '0')}'; currentPosition = state.inMilliseconds.toDouble(); }); }); onDurationChanged ??= audioPlayer.onDurationChanged.listen((max) => setState(() => maxPosition = max.inMilliseconds.toDouble())); onPlayerStateChanged ??= audioPlayer.onPlayerStateChanged .listen((_) => setState(() => null)); onPlayerError ??= audioPlayer.onPlayerError.listen((e) { ScaffoldMessenger.of(context).showSnackBar( SnackBar( content: Text(L10n.of(context).oopsSomethingWentWrong), ), ); SentryController.captureException(e, StackTrace.current); }); await audioPlayer.play(audioFile.path); break; } } @override Widget build(BuildContext context) { if (kIsWeb) { if (widget.event.content['url'] is String) { webSrcUrl = Uri.parse(widget.event.content['url']) .getDownloadLink(Matrix.of(context).client) .toString(); return Container( height: 50, width: 300, child: HtmlElementView(viewType: 'web_audio_player'), ); } return MessageDownloadContent(widget.event, widget.color); } return Row( mainAxisSize: MainAxisSize.min, children: [ Container( width: 30, child: status == AudioPlayerStatus.downloading ? CircularProgressIndicator(strokeWidth: 2) : IconButton( icon: Icon( audioPlayer.state == AudioPlayerState.PLAYING ? Icons.pause_outlined : Icons.play_arrow_outlined, color: widget.color, ), tooltip: audioPlayer.state == AudioPlayerState.PLAYING ? L10n.of(context).audioPlayerPause : L10n.of(context).audioPlayerPlay, onPressed: () { if (status == AudioPlayerStatus.downloaded) { _playAction(); } else { _downloadAction(); } }, ), ), Expanded( child: Slider( value: currentPosition, onChanged: (double position) => audioPlayer.seek(Duration(milliseconds: position.toInt())), max: status == AudioPlayerStatus.downloaded ? maxPosition : 0, min: 0, ), ), Text( statusText, style: TextStyle( color: widget.color, ), ), ], ); } }