David Zhao
123 lines
2.7 KiB
Dart
123 lines
2.7 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:livekit_client/livekit_client.dart';
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class Controls extends StatefulWidget {
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final Room room;
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final LocalParticipant participant;
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Controls(this.room) : participant = room.localParticipant;
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@override
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State<StatefulWidget> createState() {
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return _ControlsState();
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}
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}
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class _ControlsState extends State<Controls> {
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@override
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void initState() {
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super.initState();
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widget.participant.addListener(_onChange);
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}
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@override
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void dispose() {
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widget.participant.removeListener(_onChange);
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super.dispose();
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}
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LocalParticipant get participant => widget.participant;
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_onChange() {
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// trigger refresh
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setState(() {});
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}
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_muteAudio() {
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if (participant.hasAudio) {
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var audioPub = participant.audioTracks.values.first;
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audioPub.muted = true;
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}
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}
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_unmuteAudio() async {
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if (participant.hasAudio) {
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var audioPub = participant.audioTracks.values.first;
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audioPub.muted = false;
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} else {
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// publish audio track
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var audioTrack = await LocalAudioTrack.createTrack();
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await participant.publishAudioTrack(audioTrack);
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}
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}
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_muteVideo() {
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if (participant.hasVideo) {
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var videoPub = participant.videoTracks.values.first;
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videoPub.muted = true;
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}
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}
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_unmuteVideo() async {
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if (participant.hasVideo) {
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var videoPub = participant.videoTracks.values.first;
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videoPub.muted = false;
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} else {
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// publish audio track
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var videoTrack = await LocalVideoTrack.createCameraTrack();
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await participant.publishVideoTrack(videoTrack);
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}
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}
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_exit() {
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widget.room.disconnect();
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}
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@override
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Widget build(BuildContext context) {
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var buttons = <Widget>[];
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// mute audio
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if (participant.hasAudio && !participant.isMuted) {
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buttons.add(
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IconButton(
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onPressed: _muteAudio,
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icon: const Icon(Icons.mic_rounded),
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),
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);
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} else {
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buttons.add(
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IconButton(
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onPressed: _unmuteAudio,
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icon: const Icon(Icons.mic_off_rounded),
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),
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);
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}
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// mute video
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TrackPublication? videoPub;
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if (participant.hasVideo) {
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videoPub = participant.videoTracks.values.first;
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}
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if (videoPub != null && videoPub.muted) {
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buttons.add(IconButton(
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onPressed: _muteVideo,
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icon: const Icon(Icons.videocam_rounded),
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));
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} else {
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buttons.add(IconButton(
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onPressed: _unmuteVideo,
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icon: const Icon(Icons.videocam_off_rounded),
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));
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}
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buttons.add(IconButton(
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onPressed: _exit,
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icon: const Icon(Icons.close_rounded),
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));
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return Row(children: buttons);
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}
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}
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