Solian/lib/widgets/chat/call/participant.dart

186 lines
5.7 KiB
Dart

import 'dart:convert';
import 'package:flutter/material.dart';
import 'package:flutter_webrtc/flutter_webrtc.dart';
import 'package:livekit_client/livekit_client.dart';
import 'package:solian/models/account.dart';
import 'package:solian/models/call.dart';
import 'package:solian/widgets/chat/call/no_content.dart';
import 'package:solian/widgets/chat/call/participant_info.dart';
import 'package:solian/widgets/chat/call/participant_stats.dart';
abstract class ParticipantWidget extends StatefulWidget {
static ParticipantWidget widgetFor(ParticipantTrack participantTrack, {bool showStatsLayer = false}) {
if (participantTrack.participant is LocalParticipant) {
return LocalParticipantWidget(participantTrack.participant as LocalParticipant, participantTrack.videoTrack,
participantTrack.isScreenShare, showStatsLayer);
} else if (participantTrack.participant is RemoteParticipant) {
return RemoteParticipantWidget(participantTrack.participant as RemoteParticipant, participantTrack.videoTrack,
participantTrack.isScreenShare, showStatsLayer);
}
throw UnimplementedError('Unknown participant type');
}
abstract final Participant participant;
abstract final VideoTrack? videoTrack;
abstract final bool isScreenShare;
abstract final bool showStatsLayer;
final VideoQuality quality;
const ParticipantWidget({
super.key,
this.quality = VideoQuality.MEDIUM,
});
}
class LocalParticipantWidget extends ParticipantWidget {
@override
final LocalParticipant participant;
@override
final VideoTrack? videoTrack;
@override
final bool isScreenShare;
@override
final bool showStatsLayer;
const LocalParticipantWidget(
this.participant,
this.videoTrack,
this.isScreenShare,
this.showStatsLayer, {
super.key,
});
@override
State<StatefulWidget> createState() => _LocalParticipantWidgetState();
}
class RemoteParticipantWidget extends ParticipantWidget {
@override
final RemoteParticipant participant;
@override
final VideoTrack? videoTrack;
@override
final bool isScreenShare;
@override
final bool showStatsLayer;
const RemoteParticipantWidget(
this.participant,
this.videoTrack,
this.isScreenShare,
this.showStatsLayer, {
super.key,
});
@override
State<StatefulWidget> createState() => _RemoteParticipantWidgetState();
}
abstract class _ParticipantWidgetState<T extends ParticipantWidget> extends State<T> {
VideoTrack? get _activeVideoTrack;
TrackPublication? get _videoPublication;
TrackPublication? get _firstAudioPublication;
Account? _userinfoMetadata;
@override
void initState() {
super.initState();
widget.participant.addListener(onParticipantChanged);
onParticipantChanged();
}
@override
void dispose() {
widget.participant.removeListener(onParticipantChanged);
super.dispose();
}
@override
void didUpdateWidget(covariant T oldWidget) {
oldWidget.participant.removeListener(onParticipantChanged);
widget.participant.addListener(onParticipantChanged);
onParticipantChanged();
super.didUpdateWidget(oldWidget);
}
void onParticipantChanged() {
setState(() {
if (widget.participant.metadata != null) {
_userinfoMetadata = Account.fromJson(jsonDecode(widget.participant.metadata!));
}
});
}
@override
Widget build(BuildContext ctx) {
return Stack(
children: [
_activeVideoTrack != null && !_activeVideoTrack!.muted
? VideoTrackRenderer(
_activeVideoTrack!,
fit: RTCVideoViewObjectFit.RTCVideoViewObjectFitContain,
)
: NoContentWidget(
userinfo: _userinfoMetadata,
isSpeaking: widget.participant.isSpeaking,
),
if (widget.showStatsLayer)
Positioned(
top: 30,
right: 30,
child: ParticipantStatsWidget(
participant: widget.participant,
),
),
Align(
alignment: Alignment.bottomCenter,
child: Column(
crossAxisAlignment: CrossAxisAlignment.stretch,
mainAxisSize: MainAxisSize.min,
children: [
ParticipantInfoWidget(
title: widget.participant.name.isNotEmpty
? widget.participant.name
: widget.participant.identity,
audioAvailable: _firstAudioPublication?.muted == false && _firstAudioPublication?.subscribed == true,
connectionQuality: widget.participant.connectionQuality,
isScreenShare: widget.isScreenShare,
),
],
),
),
],
);
}
}
class _LocalParticipantWidgetState extends _ParticipantWidgetState<LocalParticipantWidget> {
@override
LocalTrackPublication<LocalVideoTrack>? get _videoPublication =>
widget.participant.videoTrackPublications.where((element) => element.sid == widget.videoTrack?.sid).firstOrNull;
@override
LocalTrackPublication<LocalAudioTrack>? get _firstAudioPublication =>
widget.participant.audioTrackPublications.firstOrNull;
@override
VideoTrack? get _activeVideoTrack => widget.videoTrack;
}
class _RemoteParticipantWidgetState extends _ParticipantWidgetState<RemoteParticipantWidget> {
@override
RemoteTrackPublication<RemoteVideoTrack>? get _videoPublication =>
widget.participant.videoTrackPublications.where((element) => element.sid == widget.videoTrack?.sid).firstOrNull;
@override
RemoteTrackPublication<RemoteAudioTrack>? get _firstAudioPublication =>
widget.participant.audioTrackPublications.firstOrNull;
@override
VideoTrack? get _activeVideoTrack => widget.videoTrack;
}