514 lines
13 KiB
JavaScript
514 lines
13 KiB
JavaScript
import React, { Component } from 'react';
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import ScreenshareContainer from '/imports/ui/components/screenshare/container';
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import styles from './styles';
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import VideoService from './service';
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import { log } from '/imports/ui/services/api';
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import { notify } from '/imports/ui/services/notification';
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import { toast } from 'react-toastify';
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import Toast from '/imports/ui/components/toast/component';
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class VideoElement extends Component {
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constructor(props) {
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super(props);
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}
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render() {
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return <video id={`video-elem-${this.props.videoId}`} width={320} height={240} autoPlay={true} playsInline={true} />;
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}
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componentDidMount() {
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this.props.onMount(this.props.videoId, false);
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}
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}
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export default class VideoDock extends Component {
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constructor(props) {
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super(props);
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// Set a valid bbb-webrtc-sfu application server socket in the settings
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this.ws = new ReconnectingWebSocket(Meteor.settings.public.kurento.wsUrl);
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this.wsQueue = [];
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this.webRtcPeers = {};
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this.reconnectWebcam = false;
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this.reconnectList = false;
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this.sharedCameraTimeout = null;
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this.subscribedCamerasTimeouts = [];
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this.state = {
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videos: {},
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sharedWebcam : false,
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};
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this.sendUserShareWebcam = props.sendUserShareWebcam.bind(this);
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this.sendUserUnshareWebcam = props.sendUserUnshareWebcam.bind(this);
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this.unshareWebcam = this.unshareWebcam.bind(this);
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this.shareWebcam = this.shareWebcam.bind(this);
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this.onWsOpen = this.onWsOpen.bind(this);
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this.onWsClose = this.onWsClose.bind(this);
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this.onWsMessage = this.onWsMessage.bind(this);
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}
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setupReconnectVideos() {
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for (id in this.webRtcPeers) {
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this.disconnected(id);
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this.stop(id);
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}
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}
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reconnectVideos() {
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for (i in this.reconnectList) {
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const id = this.reconnectList[i];
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// TODO: base this on BBB API users instead of using memory
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if (id != this.myId) {
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setTimeout(() => {
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log('debug', ` [camera] Trying to reconnect camera ${id}`);
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this.start(id, false);
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}, 5000);
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}
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}
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if (this.reconnectWebcam) {
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log('debug', ` [camera] Trying to re-share ${this.myId} after reconnect.`);
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this.start(this.myId, true);
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}
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this.reconnectWebcam = false;
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this.reconnectList = [];
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}
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componentDidMount() {
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const ws = this.ws;
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const { users } = this.props;
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const id = users[0].userId;
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for (let i = 0; i < users.length; i++) {
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if (users[i].has_stream && users[i].userId !== id) {
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this.start(users[i].userId, false);
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}
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}
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document.addEventListener('joinVideo', this.shareWebcam.bind(this));// TODO find a better way to do this
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document.addEventListener('exitVideo', this.unshareWebcam.bind(this));
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window.addEventListener('resize', this.adjustVideos);
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ws.addEventListener('message', this.onWsMessage);
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}
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componentWillMount () {
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this.ws.addEventListener('open', this.onWsOpen);
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this.ws.addEventListener('close', this.onWsClose);
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}
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componentWillUnmount () {
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document.removeEventListener('joinVideo', this.shareWebcam);
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document.removeEventListener('exitVideo', this.unshareWebcam);
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window.removeEventListener('resize', this.adjustVideos);
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this.ws.removeEventListener('message', this.onWsMessage);
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this.ws.removeEventListener('open', this.onWsOpen);
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this.ws.removeEventListener('close', this.onWsClose);
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// Close websocket connection to prevent multiple reconnects from happening
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this.ws.close();
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}
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adjustVideos () {
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window.adjustVideos('webcamArea', true);
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}
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onWsOpen () {
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log('debug', '------ Websocket connection opened.');
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// -- Resend queued messages that happened when socket was not connected
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while (this.wsQueue.length > 0) {
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this.sendMessage(this.wsQueue.pop());
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}
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this.reconnectVideos();
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}
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onWsClose (error) {
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log('debug', '------ Websocket connection closed.');
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this.setupReconnectVideos();
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}
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onWsMessage (msg) {
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const parsedMessage = JSON.parse(msg.data);
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console.log('Received message new ws message: ');
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console.log(parsedMessage);
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switch (parsedMessage.id) {
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case 'startResponse':
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this.startResponse(parsedMessage);
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break;
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case 'error':
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this.handleError(parsedMessage);
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break;
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case 'playStart':
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this.handlePlayStart(parsedMessage);
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break;
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case 'playStop':
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this.handlePlayStop(parsedMessage);
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break;
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case 'iceCandidate':
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const webRtcPeer = this.webRtcPeers[parsedMessage.cameraId];
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if (webRtcPeer !== null) {
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if (webRtcPeer.didSDPAnswered) {
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webRtcPeer.addIceCandidate(parsedMessage.candidate, (err) => {
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if (err) {
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return log('error', `Error adding candidate: ${err}`);
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}
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});
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} else {
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webRtcPeer.iceQueue.push(parsedMessage.candidate);
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}
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} else {
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log('error', ' [ICE] Message arrived before webRtcPeer?');
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}
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break;
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}
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};
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start(id, shareWebcam) {
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const that = this;
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console.log(`Starting video call for video: ${id} with ${shareWebcam}`);
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if (shareWebcam) {
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VideoService.joiningVideo();
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this.setState({sharedWebcam: true});
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this.initWebRTC(id, true);
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} else {
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// initWebRTC with shareWebcam false will be called after react mounts the element
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this.createVideoTag(id);
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}
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}
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initWebRTC(id, shareWebcam) {
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let that = this;
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const onIceCandidate = function (candidate) {
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const message = {
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type: 'video',
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role: shareWebcam ? 'share' : 'viewer',
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id: 'onIceCandidate',
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candidate,
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cameraId: id,
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};
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that.sendMessage(message);
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};
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let videoConstraints = {};
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if (!!navigator.userAgent.match(/Version\/[\d\.]+.*Safari/)) { // Custom constraints for Safari
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videoConstraints = {
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width: {min:320, max:640},
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height: {min:240, max:480}
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}
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} else {
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videoConstraints = {
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width: {min: 320, ideal: 320},
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height: {min: 240, ideal:240},
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frameRate: {min: 5, ideal: 10}
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};
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}
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let options = {
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mediaConstraints: {
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audio: false,
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video: videoConstraints
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},
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onicecandidate: onIceCandidate,
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};
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let peerObj;
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if (shareWebcam) {
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options.localVideo = this.refs.videoInput;
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peerObj = kurentoUtils.WebRtcPeer.WebRtcPeerSendonly;
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} else {
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peerObj = kurentoUtils.WebRtcPeer.WebRtcPeerRecvonly;
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options.remoteVideo = document.getElementById(`video-elem-${id}`);
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}
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let webRtcPeer = new peerObj(options, function (error) {
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if (error) {
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log('error', ' WebRTC peerObj create error');
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that.destroyWebRTCPeer(id);
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that.destroyVideoTag(id);
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VideoService.resetState();
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return log('error', error);
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}
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this.didSDPAnswered = false;
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this.iceQueue = [];
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that.webRtcPeers[id] = webRtcPeer;
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if (shareWebcam) {
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that.sharedWebcam = webRtcPeer;
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that.myId = id;
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}
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this.generateOffer((error, offerSdp) => {
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if (error) {
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log('error', ' WebRtc generate offer error');
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that.destroyWebRTCPeer(id);
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that.destroyVideoTag(id);
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return log('error', error);
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}
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console.log(`Invoking SDP offer callback function ${location.host}`);
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const message = {
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type: 'video',
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role: shareWebcam ? 'share' : 'viewer',
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id: 'start',
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sdpOffer: offerSdp,
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cameraId: id,
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};
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that.sendMessage(message);
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});
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while (this.iceQueue.length) {
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let candidate = this.iceQueue.shift();
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this.addIceCandidate(candidate, (err) => {
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if (err) {
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return console.error(`Error adding candidate: ${err}`);
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}
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});
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}
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this.didSDPAnswered = true;
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VideoService.joinedVideo();
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});
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}
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disconnected(id) {
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if (this.sharedWebcam) {
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log('debug', ' [camera] Webcam disconnected, will try re-share webcam later.');
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this.reconnectWebcam = true;
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} else {
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this.reconnectList.push(id);
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log('debug', ` [camera] ${id} disconnected, will try re-subscribe later.`);
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}
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}
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stop(id) {
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const { users } = this.props;
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this.sendMessage({
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type: 'video',
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role: id == users[0].userId ? 'share' : 'viewer',
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id: 'stop',
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cameraId: id,
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});
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this.destroyWebRTCPeer(id);
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this.destroyVideoTag(id);
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}
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createVideoTag(id) {
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let videos = this.state.videos;
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videos[id] = true;
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this.setState({videos: videos})
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}
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destroyVideoTag(id) {
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let videos = this.state.videos;
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delete videos[id];
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this.setState({videos: videos});
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if (id == this.myId) {
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this.setState({sharedWebcam: false});
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}
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}
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destroyWebRTCPeer(id) {
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const webRtcPeer = this.webRtcPeers[id];
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if (webRtcPeer) {
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log('info', 'Stopping WebRTC peer');
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if (id == this.myId && this.sharedWebcam) {
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this.sharedWebcam.dispose();
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this.sharedWebcam = null;
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}
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webRtcPeer.dispose();
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delete this.webRtcPeers[id];
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} else {
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log('info', 'No WebRTC peer to stop (not an error)');
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}
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}
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shareWebcam() {
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const { users } = this.props;
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const id = users[0].userId;
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if (this.connectedToMediaServer()) {
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this.start(id, true);
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} else {
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log("error", "Not connected to media server BRA");
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}
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}
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unshareWebcam() {
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VideoService.exitingVideo();
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log('info', 'Unsharing webcam');
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const { users } = this.props;
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const id = users[0].userId;
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this.sendUserUnshareWebcam(id);
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VideoService.exitedVideo();
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}
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startResponse(message) {
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const id = message.cameraId;
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const webRtcPeer = this.webRtcPeers[id];
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if (message.sdpAnswer == null) {
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return log('debug', 'Null sdp answer. Camera unplugged?');
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}
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if (webRtcPeer == null) {
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return log('debug', 'Null webrtc peer ????');
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}
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log('info', 'SDP answer received from server. Processing ...');
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webRtcPeer.processAnswer(message.sdpAnswer, (error) => {
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if (error) {
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return log('error', error);
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}
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});
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this.sendUserShareWebcam(id);
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}
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sendMessage(message) {
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const ws = this.ws;
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if (this.connectedToMediaServer()) {
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const jsonMessage = JSON.stringify(message);
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console.log(`Sending message: ${jsonMessage}`);
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ws.send(jsonMessage, (error) => {
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if (error) {
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console.error(`client: Websocket error "${error}" on message "${jsonMessage.id}"`);
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}
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});
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} else {
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// No need to queue video stop messages
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if (message.id != 'stop') {
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this.wsQueue.push(message);
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}
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}
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}
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connectedToMediaServer() {
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return this.ws.readyState === WebSocket.OPEN;
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}
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connectionStatus() {
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return this.ws.readyState;
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}
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handlePlayStop(message) {
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log('info', 'Handle play stop <--------------------');
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log('error', message);
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const { users } = this.props;
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if (message.cameraId == users[0].userId) {
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this.unshareWebcam();
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} else {
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this.stop(message.cameraId);
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}
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}
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handlePlayStart(message) {
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log('info', 'Handle play start <===================');
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}
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handleError(message) {
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console.error(' Handle error --------------------->');
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log('debug', message.message);
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}
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componentDidUpdate() {
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this.adjustVideos();
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}
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render() {
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let cssClass;
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if (this.state.sharedWebcam) {
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cssClass = styles.sharedWebcamVideoLocal;
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}
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else {
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cssClass = styles.sharedWebcamVideo;
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}
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return (
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<div className={styles.videoDock}>
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<div id="webcamArea">
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{Object.keys(this.state.videos).map((id) => {
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return (<VideoElement videoId={id} key={id} onMount={this.initWebRTC.bind(this)} />);
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})}
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<video autoPlay={true} playsInline={true} muted={true} id="shareWebcamVideo" className={cssClass} ref="videoInput" />
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</div>
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</div>
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);
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}
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shouldComponentUpdate(nextProps, nextState) {
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const { users } = this.props;
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const nextUsers = nextProps.users;
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const id = users[0].userId;
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if (users) {
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let suc = false;
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for (let i = 0; i < users.length; i++) {
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if (users && users[i] &&
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nextUsers && nextUsers[i]) {
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if (users[i].has_stream !== nextUsers[i].has_stream) {
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console.log(`User ${nextUsers[i].has_stream ? '' : 'un'}shared webcam ${users[i].userId}`);
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if (nextUsers[i].has_stream) {
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if (id !== users[i].userId) {
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this.start(users[i].userId, false);
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}
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} else {
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this.stop(users[i].userId);
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}
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if (!nextUsers[i].has_stream) {
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this.destroyVideoTag(users[i].userId);
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}
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suc = suc || true;
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}
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}
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}
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return true;
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}
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return false;
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}
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}
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