Solian/lib/widgets/chat/call/controls.dart
2024-04-28 00:07:32 +08:00

345 lines
12 KiB
Dart

import 'dart:async';
import 'package:flutter/foundation.dart';
import 'package:flutter/material.dart';
import 'package:flutter_background/flutter_background.dart';
import 'package:flutter_webrtc/flutter_webrtc.dart';
import 'package:livekit_client/livekit_client.dart';
import 'package:flutter_gen/gen_l10n/app_localizations.dart';
class ControlsWidget extends StatefulWidget {
final Room room;
final LocalParticipant participant;
const ControlsWidget(
this.room,
this.participant, {
super.key,
});
@override
State<StatefulWidget> createState() => _ControlsWidgetState();
}
class _ControlsWidgetState extends State<ControlsWidget> {
CameraPosition position = CameraPosition.front;
List<MediaDevice>? _audioInputs;
List<MediaDevice>? _audioOutputs;
List<MediaDevice>? _videoInputs;
StreamSubscription? _subscription;
bool _speakerphoneOn = false;
@override
void initState() {
super.initState();
participant.addListener(onChange);
_subscription = Hardware.instance.onDeviceChange.stream.listen((List<MediaDevice> devices) {
revertDevices(devices);
});
Hardware.instance.enumerateDevices().then(revertDevices);
_speakerphoneOn = Hardware.instance.speakerOn ?? false;
}
@override
void dispose() {
_subscription?.cancel();
participant.removeListener(onChange);
super.dispose();
}
LocalParticipant get participant => widget.participant;
void revertDevices(List<MediaDevice> devices) async {
_audioInputs = devices.where((d) => d.kind == 'audioinput').toList();
_audioOutputs = devices.where((d) => d.kind == 'audiooutput').toList();
_videoInputs = devices.where((d) => d.kind == 'videoinput').toList();
setState(() {});
}
void onChange() => setState(() {});
bool get isMuted => participant.isMuted;
void disableAudio() async {
await participant.setMicrophoneEnabled(false);
}
Future<void> enableAudio() async {
await participant.setMicrophoneEnabled(true);
}
void disableVideo() async {
await participant.setCameraEnabled(false);
}
void enableVideo() async {
await participant.setCameraEnabled(true);
}
void selectAudioOutput(MediaDevice device) async {
await widget.room.setAudioOutputDevice(device);
setState(() {});
}
void selectAudioInput(MediaDevice device) async {
await widget.room.setAudioInputDevice(device);
setState(() {});
}
void selectVideoInput(MediaDevice device) async {
await widget.room.setVideoInputDevice(device);
setState(() {});
}
void setSpeakerphoneOn() {
_speakerphoneOn = !_speakerphoneOn;
Hardware.instance.setSpeakerphoneOn(_speakerphoneOn);
setState(() {});
}
void toggleCamera() async {
final track = participant.videoTrackPublications.firstOrNull?.track;
if (track == null) return;
try {
final newPosition = position.switched();
await track.setCameraPosition(newPosition);
setState(() {
position = newPosition;
});
} catch (error) {
return;
}
}
void enableScreenShare() async {
if (lkPlatformIsDesktop()) {
try {
final source = await showDialog<DesktopCapturerSource>(
context: context,
builder: (context) => ScreenSelectDialog(),
);
if (source == null) {
return;
}
var track = await LocalVideoTrack.createScreenShareTrack(
ScreenShareCaptureOptions(
sourceId: source.id,
maxFrameRate: 15.0,
),
);
await participant.publishVideoTrack(track);
} catch (e) {
final message = e.toString();
ScaffoldMessenger.of(context).showSnackBar(SnackBar(
content: Text('Something went wrong... $message'),
));
}
return;
}
if (lkPlatformIs(PlatformType.android)) {
requestBackgroundPermission([bool isRetry = false]) async {
try {
bool hasPermissions = await FlutterBackground.hasPermissions;
if (!isRetry) {
const androidConfig = FlutterBackgroundAndroidConfig(
notificationTitle: 'Screen Sharing',
notificationText: 'A Solar Messager\'s Call is sharing your screen',
notificationImportance: AndroidNotificationImportance.Default,
notificationIcon: AndroidResource(name: 'launcher_icon', defType: 'mipmap'),
);
hasPermissions = await FlutterBackground.initialize(androidConfig: androidConfig);
}
if (hasPermissions && !FlutterBackground.isBackgroundExecutionEnabled) {
await FlutterBackground.enableBackgroundExecution();
}
} catch (e) {
if (!isRetry) {
return await Future<void>.delayed(const Duration(seconds: 1), () => requestBackgroundPermission(true));
}
}
}
await requestBackgroundPermission();
}
if (lkPlatformIs(PlatformType.iOS)) {
var track = await LocalVideoTrack.createScreenShareTrack(
const ScreenShareCaptureOptions(
useiOSBroadcastExtension: true,
maxFrameRate: 30.0,
),
);
await participant.publishVideoTrack(track);
return;
}
if (lkPlatformIsWebMobile()) {
ScaffoldMessenger.of(context).showSnackBar(const SnackBar(
content: Text('Screen share is not supported mobile platform.'),
));
return;
}
await participant.setScreenShareEnabled(true, captureScreenAudio: true);
}
void disableScreenShare() async {
await participant.setScreenShareEnabled(false);
if (lkPlatformIs(PlatformType.android)) {
// Android specific
try {
await FlutterBackground.disableBackgroundExecution();
} catch (_) {}
}
}
@override
Widget build(BuildContext context) {
return Padding(
padding: const EdgeInsets.symmetric(
vertical: 15,
horizontal: 15,
),
child: Wrap(
alignment: WrapAlignment.center,
spacing: 5,
runSpacing: 5,
children: [
if (participant.isMicrophoneEnabled())
if (lkPlatformIs(PlatformType.android))
IconButton(
onPressed: disableAudio,
icon: const Icon(Icons.mic),
tooltip: AppLocalizations.of(context)!.chatCallMute,
)
else
PopupMenuButton<MediaDevice>(
icon: const Icon(Icons.settings_voice),
itemBuilder: (BuildContext context) {
return [
PopupMenuItem<MediaDevice>(
value: null,
onTap: isMuted ? enableAudio : disableAudio,
child: ListTile(
leading: const Icon(Icons.mic_off),
title: Text(AppLocalizations.of(context)!.chatCallMute),
),
),
if (_audioInputs != null)
..._audioInputs!.map((device) {
return PopupMenuItem<MediaDevice>(
value: device,
child: ListTile(
leading: (device.deviceId == widget.room.selectedAudioInputDeviceId)
? const Icon(Icons.check_box_outlined)
: const Icon(Icons.check_box_outline_blank),
title: Text(device.label),
),
onTap: () => selectAudioInput(device),
);
})
];
},
)
else
IconButton(
onPressed: enableAudio,
icon: const Icon(Icons.mic_off),
tooltip: AppLocalizations.of(context)!.chatCallUnMute,
),
if (!lkPlatformIs(PlatformType.iOS))
PopupMenuButton<MediaDevice>(
icon: const Icon(Icons.volume_up),
itemBuilder: (BuildContext context) {
return [
const PopupMenuItem<MediaDevice>(
value: null,
child: ListTile(
leading: Icon(Icons.speaker),
title: Text('Select Audio Output'),
),
),
if (_audioOutputs != null)
..._audioOutputs!.map((device) {
return PopupMenuItem<MediaDevice>(
value: device,
child: ListTile(
leading: (device.deviceId == widget.room.selectedAudioOutputDeviceId)
? const Icon(Icons.check_box_outlined)
: const Icon(Icons.check_box_outline_blank),
title: Text(device.label),
),
onTap: () => selectAudioOutput(device),
);
})
];
},
),
if (!kIsWeb && lkPlatformIs(PlatformType.iOS))
IconButton(
disabledColor: Colors.grey,
onPressed: Hardware.instance.canSwitchSpeakerphone ? setSpeakerphoneOn : null,
icon: Icon(_speakerphoneOn ? Icons.speaker_phone : Icons.phone_android),
tooltip: AppLocalizations.of(context)!.chatCallChangeSpeaker,
),
if (participant.isCameraEnabled())
PopupMenuButton<MediaDevice>(
icon: const Icon(Icons.videocam_sharp),
itemBuilder: (BuildContext context) {
return [
PopupMenuItem<MediaDevice>(
value: null,
onTap: disableVideo,
child: ListTile(
leading: const Icon(Icons.videocam_off),
title: Text(AppLocalizations.of(context)!.chatCallVideoOff),
),
),
if (_videoInputs != null)
..._videoInputs!.map((device) {
return PopupMenuItem<MediaDevice>(
value: device,
child: ListTile(
leading: (device.deviceId == widget.room.selectedVideoInputDeviceId)
? const Icon(Icons.check_box_outlined)
: const Icon(Icons.check_box_outline_blank),
title: Text(device.label),
),
onTap: () => selectVideoInput(device),
);
})
];
},
)
else
IconButton(
onPressed: enableVideo,
icon: const Icon(Icons.videocam_off),
tooltip: AppLocalizations.of(context)!.chatCallVideoOn,
),
IconButton(
icon: Icon(position == CameraPosition.back ? Icons.video_camera_back : Icons.video_camera_front),
onPressed: () => toggleCamera(),
tooltip: AppLocalizations.of(context)!.chatCallVideoFlip,
),
if (participant.isScreenShareEnabled())
IconButton(
icon: const Icon(Icons.monitor_outlined),
onPressed: () => disableScreenShare(),
tooltip: AppLocalizations.of(context)!.chatCallScreenOff,
)
else
IconButton(
icon: const Icon(Icons.monitor),
onPressed: () => enableScreenShare(),
tooltip: AppLocalizations.of(context)!.chatCallScreenOn,
),
],
),
);
}
}