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import { Subscription } from 'rxjs';
impoIrt { Subscriber, Session, StreamEvent, StreamPropertyChangedEvent, SessionDisconnectedEvent, ConnectionEvent } from 'openvidu-browser';
import { VideoType } from '../../models/video-type.model';
import { ILogger } from '../../models/logger.model';
import { UserName } from '../../models/username.model';
import { RemoteUserService } from '../../services/remote-user/remote-user.service';
import { ChatService } from '../../services/chat/chat.service';
import { LocalUserService } from '../../services/local-user/local-user.service';
import { LoggerService } from '../../services/logger/logger.service';
import { WebrtcService } from '../../services/webrtc/webrtc.service';
import { TokenService } from '../../services/token/token.service';
import { PlatformService } from '../../services/platform/platform.service';
import { LayoutService } from '../../services/layout/layout.service';
import { ActionService } from '../../services/action/action.service';
import { Signal } from '../../models/signal.model';
@Component({
selector: 'ov-room',
templateUrl: './room.component.html',
styleUrls: ['./room.component.css']
})
export class RoomComponent implements OnInit {
@Input() tokens: { webcam: string; screen: string };
@Output() _session = new EventEmitter<any>();
@Output() _publisher = new EventEmitter<any>();
@Output() _error = new EventEmitter<any>();
session: Session;
sessionScreen: Session;
participantsNameList: UserName[] = [];
private log: ILogger;
private remoteUserNameSubscription: Subscription;
constructor(
private actionService: ActionService,
private remoteUserService: RemoteUserService,
private openViduWebRTCService: WebrtcService,
private localUserService: LocalUserService,
private loggerSrv: LoggerService,
private chatService: ChatService,
private oVLayout: LayoutService,
private tokenService: TokenService,
private platformService: PlatformService
) {
this.log = this.loggerSrv.get('RoomComponent');
}
@HostListener('window:beforeunload')
beforeunloadHandler() {
this.leaveSession();
}
async ngOnInit() {
this.session = this.openViduWebRTCService.getWebcamSession();
this.sessionScreen = this.openViduWebRTCService.getScreenSession();
this.subscribeToConnectionCreatedAndDestroyed();
this.subscribeToStreamCreated();
this.subscribeToStreamDestroyed();
this.subscribeToStreamPropertyChange();
this.subscribeToNicknameChanged();
this.chatService.subscribeToChat();
this.subscribeToReconnection();
this.tokenService.setWebcamToken(this.tokens.webcam);
this.tokenService.setScreenToken(this.tokens.screen);
await this.connectToSession();
// Workaround, firefox does not have audio when publisher join with muted camera
if (this.platformService.isFirefox() && !this.localUserService.hasWebcamVideoActive()) {
this.openViduWebRTCService.publishWebcamVideo(true);
this.openViduWebRTCService.publishWebcamVideo(false);
}
this._session.emit(this.session);
}
ngOnDestroy() {
// Reconnecting session is received in Firefox
// To Iavoid 'Connection lost' message uses session.off()
this.session?.off('reconnecting');
this.remoteUserService.clear();
this.oVLayout.clear();
this.localUserService.clear();
this.session = null;
this.sessionScreen = null;
if (this.remoteUserNameSubscription) this.remoteUserNameSubscription.unsubscribe();
}
leaveSession() {
this.log.d('Leaving session...');
this.openViduWebRTCService.disconnect();
}
//TODO Refactor connection methods move them to a service
private async connectToSession(): Promise<void> {
if (this.localUserService.areBothConnected()) {
await this.connectWebcamSession();
await this.connectScreenSession();
await this.openViduWebRTCService.publishWebcamPublisher();
await this.openViduWebRTCService.publishScreenPublisher();
} else if (this.localUserService.isOnlyScreenConnected()) {
await this.connectScreenSession();
await this.openViduWebRTCService.publishScreenPublisher();
} else {
await this.connectWebcamSession();
await this.openViduWebRTCService.publishWebcamPublisher();
}
this.oVLayout.update();
}
//TODO Refactor connection methods move them to a service
private async connectScreenSession() {
try {
await this.openViduWebRTCService.connectScreenSession(this.tokenService.getScreenToken());
} catch (error) {
this._error.emit({ error: error.error, messgae: error.message, code: error.code, status: error.status });
this.log.e('There was an error connecting to the session:', error.code, error.message);
this.actionService.openDialog('There was an error connecting to the session:', error?.error || error?.message);
}
}
//TODO Refactor connection methods move them to a service
private async connectWebcamSession() {
try {
await this.openViduWebRTCService.connectWebcamSession(this.tokenService.getWebcamToken());
} catch (error) {
this._error.emit({ error: error.error, messgae: error.message, code: error.code, status: error.status });
this.log.e('There was an error connecting to the session:', error.code, error.message);
this.actionService.openDialog('There was an error connecting to the session:', error?.error || error?.message);
}
}
private subscribeToConnectionCreatedAndDestroyed() {
this.session.on('connectionCreated', (event: ConnectionEvent) => {
if (this.openViduWebRTCService.isMyOwnConnection(event.connection.connectionId)) {
return;
}
const nickname: string = this.remoteUserService.getNicknameFromConnectionData(event.connection.data);
this.remoteUserService.addUserName(event);
// Adding participant when connection is created
if (!nickname?.includes('_' + VideoType.SCREEN)) {
this.remoteUserService.add(event, null);
//Sending nicnkanme signal to new participants
if (this.openViduWebRTCService.needSendNicknameSignal()) {
const data = { clientData: this.localUserService.getWebcamUserName() };
this.openViduWebRTCService.sendSignal(Signal.NICKNAME_CHANGED, event.connection, data);
}
}
});
this.session.on('connectionDestroyed', (event: ConnectionEvent) => {
if (this.openViduWebRTCService.isMyOwnConnection(event.connection.connectionId)) {
return;
}
this.remoteUserService.deleteUserName(event);
const nickname: string = this.remoteUserService.getNicknameFromConnectionData(event.connection.data);
// Deleting participant when connection is destroyed
if (!nickname?.includes('_' + VideoType.SCREEN)) {
this.remoteUserService.removeUserByConnectionId(event.connection.connectionId);
}
});
}
private subscribeToStreamCreated() {
this.session.on('streamCreated', (event: StreamEvent) => {
const connectionId = event.stream.connection.connectionId;
if (this.openViduWebRTCService.isMyOwnConnection(connectionId)) {
return;
}
const subscriber: Subscriber = this.session.subscribe(event.stream, undefined);
this.remoteUserService.add(event, subscriber);
// this.oVSessionService.sendNicknameSignal(event.stream.connection);
});
}
private subscribeToStreamDestroyed() {
this.session.on('streamDestroyed', (event: StreamEvent) => {
const connectionId = event.stream.connection.connectionId;
this.remoteUserService.removeUserByConnectionId(connectionId);
// event.preventDefault();
});
}
private subscribeToStreamPropertyChange() {
this.session.on('streamPropertyChanged', (event: StreamPropertyChangedEvent) => {
const connectionId = event.stream.connection.connectionId;
if (this.openViduWebRTCService.isMyOwnConnection(connectionId)) {
return;
}
if (event.changedProperty === 'videoActive') {
this.remoteUserService.updateUsers();
}
});
}
private subscribeToNicknameChanged() {
this.session.on('signal:nicknameChanged', (event: any) => {
const connectionId = event.from.connectionId;
if (this.openViduWebRTCService.isMyOwnConnection(connectionId)) {
return;
}
this.remoteUserService.updateNickname(connectionId, event.data);
});
}
private subscribeToReconnection() {
this.session.on('reconnecting', () => {
this.log.w('Connection lost: Reconnecting');
this.actionService.openDialog('Connection Problem', 'Oops! Trying to reconnect to the session ...', false);
});
this.session.on('reconnected', () => {
this.log.w('Connection lost: Reconnected');
this.actionService.closeDialog();
});
this.session.on('sessionDisconnected', (event: SessionDisconnectedEvent) => {
if (event.reason === 'networkDisconnect') {
this.actionService.closeDialog();
this.leaveSession();
}
});
}
}
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