jiti-meet/conference.js

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JavaScript
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/* global $, APP, JitsiMeetJS, config, interfaceConfig */
import {openConnection} from './connection';
//FIXME:
import createRoomLocker from './modules/UI/authentication/RoomLocker';
//FIXME:
import AuthHandler from './modules/UI/authentication/AuthHandler';
import CQEvents from './service/connectionquality/CQEvents';
import UIEvents from './service/UI/UIEvents';
import DSEvents from './service/desktopsharing/DesktopSharingEventTypes';
const ConnectionEvents = JitsiMeetJS.events.connection;
const ConnectionErrors = JitsiMeetJS.errors.connection;
const ConferenceEvents = JitsiMeetJS.events.conference;
const ConferenceErrors = JitsiMeetJS.errors.conference;
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let room, connection, localTracks, localAudio, localVideo, roomLocker;
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const Commands = {
CONNECTION_QUALITY: "stats",
EMAIL: "email",
VIDEO_TYPE: "videoType",
ETHERPAD: "etherpad",
PREZI: "prezi",
STOP_PREZI: "stop-prezi"
};
function connect() {
return openConnection({retry: true}).catch(function (err) {
if (err === ConnectionErrors.PASSWORD_REQUIRED) {
APP.UI.notifyTokenAuthFailed();
} else {
APP.UI.notifyConnectionFailed(err);
}
throw err;
});
}
const addTrack = (track) => {
room.addTrack(track);
if (track.isAudioTrack()) {
return;
}
room.removeCommand(Commands.VIDEO_TYPE);
room.sendCommand(Commands.VIDEO_TYPE, {
value: track.videoType,
attributes: {
xmlns: 'http://jitsi.org/jitmeet/video'
}
});
};
// share email with other users
const sendEmail = (email) => {
room.sendCommand(Commands.EMAIL, {
value: email,
attributes: {
id: room.myUserId()
}
});
};
const unload = () => {
room.leave();
connection.disconnect();
};
const getDisplayName = (id) => {
if (APP.conference.isLocalId(id)) {
return APP.settings.getDisplayName();
}
let participant = room.getParticipantById(id);
if (participant && participant.getDisplayName()) {
return participant.getDisplayName();
}
};
class ConferenceConnector {
constructor(resolve, reject) {
this._resolve = resolve;
this._reject = reject;
this.reconnectTimeout = null;
room.on(ConferenceEvents.CONFERENCE_JOINED,
this._handleConferenceJoined.bind(this));
room.on(ConferenceEvents.CONFERENCE_FAILED,
this._onConferenceFailed.bind(this));
}
_handleConferenceFailed(err) {
this._unsubscribe();
this._reject(err);
}
_onConferenceFailed(err, msg = '') {
console.error('CONFERENCE FAILED:', err, msg);
switch (err) {
// room is locked by the password
case ConferenceErrors.PASSWORD_REQUIRED:
APP.UI.markRoomLocked(true);
roomLocker.requirePassword().then(function () {
room.join(roomLocker.password);
});
break;
case ConferenceErrors.CONNECTION_ERROR:
APP.UI.notifyConnectionFailed(msg);
break;
// not enough rights to create conference
case ConferenceErrors.AUTHENTICATION_REQUIRED:
// schedule reconnect to check if someone else created the room
this.reconnectTimeout = setTimeout(function () {
room.join();
}, 5000);
// notify user that auth is required
AuthHandler.requireAuth(APP.conference.roomName);
break;
default:
this.handleConferenceFailed(err);
}
}
_unsubscribe() {
room.off(
ConferenceEvents.CONFERENCE_JOINED, this._handleConferenceJoined);
room.off(
ConferenceEvents.CONFERENCE_FAILED, this._onConferenceFailed);
if (this.reconnectTimeout !== null) {
clearTimeout(this.reconnectTimeout);
}
AuthHandler.closeAuth();
}
_handleConferenceJoined() {
this._unsubscribe();
this._resolve();
}
connect() {
room.join();
}
}
export default {
localId: undefined,
isModerator: false,
audioMuted: false,
videoMuted: false,
init(options) {
this.roomName = options.roomName;
JitsiMeetJS.setLogLevel(JitsiMeetJS.logLevels.TRACE);
return JitsiMeetJS.init(config).then(() => {
return Promise.all([
this.createLocalTracks('audio', 'video'),
connect()
]);
}).then(([tracks, con]) => {
console.log('initialized with %s local tracks', tracks.length);
localTracks = tracks;
connection = con;
this._createRoom();
$(window).bind('beforeunload', unload );
$(window).bind('unload', unload );
return new Promise((resolve, reject) => {
(new ConferenceConnector(resolve, reject)).connect();
});
});
},
createLocalTracks (...devices) {
return JitsiMeetJS.createLocalTracks({
// copy array to avoid mutations inside library
devices: devices.slice(0),
resolution: config.resolution
}).catch(function (err) {
console.error('failed to create local tracks', ...devices, err);
APP.statistics.onGetUserMediaFailed(err);
return [];
});
},
isLocalId (id) {
return this.localId === id;
},
/**
* Simulates toolbar button click for audio mute. Used by shortcuts and API.
* @param mute true for mute and false for unmute.
*/
muteAudio (mute) {
//FIXME: Maybe we should create method for that in the UI instead of
//accessing directly eventEmitter????
APP.UI.eventEmitter.emit(UIEvents.AUDIO_MUTED, mute);
},
/**
* Simulates toolbar button click for audio mute. Used by shortcuts and API.
*/
toggleAudioMuted () {
this.muteAudio(!this.audioMuted);
},
/**
* Simulates toolbar button click for video mute. Used by shortcuts and API.
* @param mute true for mute and false for unmute.
*/
muteVideo (mute) {
//FIXME: Maybe we should create method for that in the UI instead of
//accessing directly eventEmitter????
APP.UI.eventEmitter.emit(UIEvents.VIDEO_MUTED, mute);
},
/**
* Simulates toolbar button click for video mute. Used by shortcuts and API.
*/
toggleVideoMuted () {
this.muteVideo(!this.videoMuted);
},
listMembers () {
return room.getParticipants();
},
listMembersIds () {
return room.getParticipants().map(p => p.getId());
},
sipGatewayEnabled () {
return room.isSIPCallingSupported();
},
get membersCount () {
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return room.getParticipants().length + 1;
},
get startAudioMuted () {
return room && room.getStartMutedPolicy().audio;
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},
get startVideoMuted () {
return room && room.getStartMutedPolicy().video;
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},
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// used by torture currently
isJoined () {
return this._room
&& this._room.isJoined();
},
getConnectionState () {
return this._room
&& this._room.getConnectionState();
},
getMyUserId () {
return this._room
&& this._room.myUserId();
},
/**
* Will check for number of remote particiapnts that have at least one
* remote track.
* @return boolean whether we have enough participants with remote streams
*/
checkEnoughParticipants (number) {
var participants = this._room.getParticipants();
var foundParticipants = 0;
for (var i = 0; i < participants.length; i += 1) {
if (participants[i].getTracks().length > 0) {
foundParticipants++;
}
}
return foundParticipants >= number;
},
// end used by torture
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_createRoom () {
room = connection.initJitsiConference(APP.conference.roomName,
this._getConferenceOptions());
this.localId = room.myUserId();
localTracks.forEach((track) => {
if(track.isAudioTrack()) {
localAudio = track;
}
else if (track.isVideoTrack()) {
localVideo = track;
}
addTrack(track);
APP.UI.addLocalStream(track);
});
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roomLocker = createRoomLocker(room);
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this._room = room; // FIXME do not use this
let email = APP.settings.getEmail();
email && sendEmail(email);
let nick = APP.settings.getDisplayName();
(config.useNicks && !nick) && (() => {
nick = APP.UI.askForNickname();
APP.settings.setDisplayName(nick);
})();
nick && room.setDisplayName(nick);
this._setupListeners();
},
_getConferenceOptions() {
let options = {
openSctp: config.openSctp,
disableAudioLevels: config.disableAudioLevels
};
if(config.enableRecording) {
options.recordingType = (config.hosts &&
(typeof config.hosts.jirecon != "undefined"))?
"jirecon" : "colibri";
}
return options;
},
_setupListeners () {
// add local streams when joined to the conference
room.on(ConferenceEvents.CONFERENCE_JOINED, () => {
APP.UI.updateAuthInfo(room.isAuthEnabled(), room.getAuthLogin());
APP.UI.mucJoined();
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});
room.on(ConferenceEvents.USER_JOINED, (id, user) => {
console.log('USER %s connnected', id, user);
// FIXME email???
APP.UI.addUser(id, user.getDisplayName());
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// chek the roles for the new user and reflect them
APP.UI.updateUserRole(user);
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});
room.on(ConferenceEvents.USER_LEFT, (id, user) => {
console.log('USER %s LEFT', id, user);
APP.UI.removeUser(id, user.getDisplayName());
APP.UI.stopPrezi(id);
});
room.on(ConferenceEvents.USER_ROLE_CHANGED, (id, role) => {
if (this.isLocalId(id)) {
console.info(`My role changed, new role: ${role}`);
this.isModerator = room.isModerator();
APP.UI.updateLocalRole(room.isModerator());
} else {
let user = room.getParticipantById(id);
if (user) {
APP.UI.updateUserRole(user);
}
}
});
room.on(ConferenceEvents.TRACK_ADDED, (track) => {
if(!track || track.isLocal())
return;
APP.UI.addRemoteStream(track);
});
room.on(ConferenceEvents.TRACK_REMOVED, (track) => {
// FIXME handle
});
room.on(ConferenceEvents.TRACK_MUTE_CHANGED, (track) => {
if(!track)
return;
const handler = (track.getType() === "audio")?
APP.UI.setAudioMuted : APP.UI.setVideoMuted;
let id;
const mute = track.isMuted();
if(track.isLocal()){
id = this.localId;
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if(track.getType() === "audio") {
APP.statistics.onAudioMute(mute);
this.audioMuted = mute;
} else {
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APP.statistics.onVideoMute(mute);
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this.videoMuted = mute;
}
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} else {
id = track.getParticipantId();
}
handler(id , mute);
});
room.on(ConferenceEvents.TRACK_AUDIO_LEVEL_CHANGED, (id, lvl) => {
if(this.isLocalId(id) && localAudio.isMuted()) {
lvl = 0;
}
APP.UI.setAudioLevel(id, lvl);
});
room.on(ConferenceEvents.IN_LAST_N_CHANGED, (inLastN) => {
//FIXME
if (config.muteLocalVideoIfNotInLastN) {
// TODO mute or unmute if required
// mark video on UI
// APP.UI.markVideoMuted(true/false);
}
});
room.on(ConferenceEvents.LAST_N_ENDPOINTS_CHANGED, (ids) => {
APP.UI.handleLastNEndpoints(ids);
});
room.on(ConferenceEvents.DOMINANT_SPEAKER_CHANGED, (id) => {
APP.UI.markDominantSpeaker(id);
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});
if (!interfaceConfig.filmStripOnly) {
room.on(ConferenceEvents.CONNECTION_INTERRUPTED, () => {
APP.UI.markVideoInterrupted(true);
});
room.on(ConferenceEvents.CONNECTION_RESTORED, () => {
APP.UI.markVideoInterrupted(false);
});
room.on(ConferenceEvents.MESSAGE_RECEIVED, (id, text, ts) => {
APP.UI.addMessage(id, getDisplayName(id), text, ts);
});
}
room.on(ConferenceEvents.DISPLAY_NAME_CHANGED, (id, displayName) => {
APP.UI.changeDisplayName(id, displayName);
});
room.on(ConferenceEvents.RECORDING_STATE_CHANGED, (status, error) => {
if(status == "error") {
console.error(error);
return;
}
APP.UI.updateRecordingState(status);
});
room.on(ConferenceEvents.KICKED, () => {
APP.UI.notifyKicked();
// FIXME close
});
room.on(ConferenceEvents.DTMF_SUPPORT_CHANGED, (isDTMFSupported) => {
APP.UI.updateDTMFSupport(isDTMFSupported);
});
APP.UI.addListener(UIEvents.ROOM_LOCK_CLICKED, () => {
if (room.isModerator()) {
let promise = roomLocker.isLocked
? roomLocker.askToUnlock()
: roomLocker.askToLock();
promise.then(() => {
APP.UI.markRoomLocked(roomLocker.isLocked);
});
} else {
roomLocker.notifyModeratorRequired();
}
});
APP.UI.addListener(UIEvents.AUDIO_MUTED, (muted) => {
(muted)? localAudio.mute() : localAudio.unmute();
});
APP.UI.addListener(UIEvents.VIDEO_MUTED, (muted) => {
(muted)? localVideo.mute() : localVideo.unmute();
});
if (!interfaceConfig.filmStripOnly) {
APP.UI.addListener(UIEvents.MESSAGE_CREATED, (message) => {
room.sendTextMessage(message);
});
}
APP.connectionquality.addListener(
CQEvents.LOCALSTATS_UPDATED,
(percent, stats) => {
APP.UI.updateLocalStats(percent, stats);
// send local stats to other users
room.sendCommandOnce(Commands.CONNECTION_QUALITY, {
children: APP.connectionquality.convertToMUCStats(stats),
attributes: {
xmlns: 'http://jitsi.org/jitmeet/stats'
}
});
}
);
APP.connectionquality.addListener(CQEvents.STOP, () => {
APP.UI.hideStats();
room.removeCommand(Commands.CONNECTION_QUALITY);
});
// listen to remote stats
room.addCommandListener(Commands.CONNECTION_QUALITY,(values, from) => {
APP.connectionquality.updateRemoteStats(from, values);
});
APP.connectionquality.addListener(CQEvents.REMOTESTATS_UPDATED,
(id, percent, stats) => {
APP.UI.updateRemoteStats(id, percent, stats);
});
room.addCommandListener(Commands.ETHERPAD, ({value}) => {
APP.UI.initEtherpad(value);
});
room.addCommandListener(Commands.PREZI, ({value, attributes}) => {
APP.UI.showPrezi(attributes.id, value, attributes.slide);
});
room.addCommandListener(Commands.STOP_PREZI, ({attributes}) => {
APP.UI.stopPrezi(attributes.id);
});
APP.UI.addListener(UIEvents.SHARE_PREZI, (url, slide) => {
console.log('Sharing Prezi %s slide %s', url, slide);
room.removeCommand(Commands.PREZI);
room.sendCommand(Commands.PREZI, {
value: url,
attributes: {
id: room.myUserId(),
slide
}
});
});
APP.UI.addListener(UIEvents.STOP_SHARING_PREZI, () => {
room.removeCommand(Commands.PREZI);
room.sendCommandOnce(Commands.STOP_PREZI, {
attributes: {
id: room.myUserId()
}
});
});
room.addCommandListener(Commands.VIDEO_TYPE, ({value}, from) => {
APP.UI.onPeerVideoTypeChanged(from, value);
});
APP.UI.addListener(UIEvents.EMAIL_CHANGED, (email) => {
APP.settings.setEmail(email);
APP.UI.setUserAvatar(room.myUserId(), email);
sendEmail(email);
});
room.addCommandListener(Commands.EMAIL, (data) => {
APP.UI.setUserAvatar(data.attributes.id, data.value);
});
APP.UI.addListener(UIEvents.NICKNAME_CHANGED, (nickname) => {
APP.settings.setDisplayName(nickname);
room.setDisplayName(nickname);
APP.UI.changeDisplayName(APP.conference.localId, nickname);
});
APP.UI.addListener(UIEvents.START_MUTED_CHANGED,
(startAudioMuted, startVideoMuted) => {
room.setStartMutedPolicy({audio: startAudioMuted,
video: startVideoMuted});
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}
);
room.on(
ConferenceEvents.START_MUTED_POLICY_CHANGED,
(policy) => {
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APP.UI.onStartMutedChanged();
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}
);
room.on(ConferenceEvents.STARTED_MUTED, () => {
(room.isStartAudioMuted() || room.isStartVideoMuted())
&& APP.UI.notifyInitiallyMuted();
});
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APP.UI.addListener(UIEvents.USER_INVITED, (roomUrl) => {
APP.UI.inviteParticipants(
roomUrl,
APP.conference.roomName,
roomLocker.password,
APP.settings.getDisplayName()
);
});
// call hangup
APP.UI.addListener(UIEvents.HANGUP, () => {
APP.UI.requestFeedback().then(() => {
connection.disconnect();
config.enableWelcomePage && setTimeout(() => {
window.localStorage.welcomePageDisabled = false;
window.location.pathname = "/";
}, 3000);
}, (err) => {console.error(err);});
});
// logout
APP.UI.addListener(UIEvents.LOGOUT, () => {
// FIXME handle logout
// APP.xmpp.logout(function (url) {
// if (url) {
// window.location.href = url;
// } else {
// hangup();
// }
// });
});
APP.UI.addListener(UIEvents.SIP_DIAL, (sipNumber) => {
room.dial(sipNumber);
});
// Starts or stops the recording for the conference.
APP.UI.addListener(UIEvents.RECORDING_TOGGLE, (predefinedToken) => {
if (predefinedToken) {
room.toggleRecording({token: predefinedToken});
return;
}
APP.UI.requestRecordingToken().then((token) => {
room.toggleRecording({token: token});
});
});
APP.UI.addListener(UIEvents.TOPIC_CHANGED, (topic) => {
// FIXME handle topic change
// APP.xmpp.setSubject(topic);
// on SUBJECT_CHANGED UI.setSubject(topic);
});
APP.UI.addListener(UIEvents.USER_KICKED, (id) => {
room.kickParticipant(id);
});
APP.UI.addListener(UIEvents.REMOTE_AUDIO_MUTED, (id) => {
room.muteParticipant(id);
});
APP.UI.addListener(UIEvents.AUTH_CLICKED, () => {
AuthHandler.authenticate(room);
});
APP.UI.addListener(UIEvents.SELECTED_ENDPOINT, (id) => {
room.selectParticipant(id);
});
APP.UI.addListener(UIEvents.PINNED_ENDPOINT, (id) => {
room.pinParticipant(id);
});
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APP.UI.addListener(UIEvents.TOGGLE_SCREENSHARING, () => {
APP.desktopsharing.toggleScreenSharing();
});
APP.UI.addListener(DSEvents.SWITCHING_DONE, (isSharingScreen) => {
APP.UI.updateDesktopSharingButtons(isSharingScreen);
});
APP.desktopsharing.addListener(DSEvents.NEW_STREAM_CREATED,
(track, callback) => {
const localCallback = (newTrack) => {
if(!newTrack)
return;
if (newTrack.isLocal() && newTrack === localVideo) {
if(localVideo.isMuted() &&
localVideo.videoType !== track.videoType) {
localVideo.mute();
}
callback();
room.off(ConferenceEvents.TRACK_ADDED, localCallback);
}
};
room.on(ConferenceEvents.TRACK_ADDED, localCallback);
localVideo.stop();
localVideo = track;
addTrack(track);
APP.UI.addLocalStream(track);
}
);
}
};