jiti-meet/conference.js

2815 lines
96 KiB
JavaScript

/* global $, APP, JitsiMeetJS, config, interfaceConfig */
import { openConnection } from './connection';
import AuthHandler from './modules/UI/authentication/AuthHandler';
import Recorder from './modules/recorder/Recorder';
import mediaDeviceHelper from './modules/devices/mediaDeviceHelper';
import { reportError } from './modules/util/helpers';
import * as RemoteControlEvents
from './service/remotecontrol/RemoteControlEvents';
import UIEvents from './service/UI/UIEvents';
import UIUtil from './modules/UI/util/UIUtil';
import * as JitsiMeetConferenceEvents from './ConferenceEvents';
import {
createDeviceChangedEvent,
createScreenSharingEvent,
createSelectParticipantFailedEvent,
createStreamSwitchDelayEvent,
createTrackMutedEvent,
sendAnalytics
} from './react/features/analytics';
import {
redirectWithStoredParams,
reloadWithStoredParams
} from './react/features/app';
import EventEmitter from 'events';
import {
AVATAR_ID_COMMAND,
AVATAR_URL_COMMAND,
conferenceFailed,
conferenceJoined,
conferenceLeft,
conferenceWillJoin,
dataChannelOpened,
EMAIL_COMMAND,
lockStateChanged,
onStartMutedPolicyChanged,
p2pStatusChanged,
sendLocalParticipant,
setDesktopSharingEnabled
} from './react/features/base/conference';
import {
setAudioOutputDeviceId,
updateDeviceList
} from './react/features/base/devices';
import {
isFatalJitsiConnectionError,
JitsiConferenceErrors,
JitsiConferenceEvents,
JitsiConnectionErrors,
JitsiConnectionEvents,
JitsiMediaDevicesEvents,
JitsiParticipantConnectionStatus,
JitsiTrackErrors,
JitsiTrackEvents
} from './react/features/base/lib-jitsi-meet';
import {
isVideoMutedByUser,
MEDIA_TYPE,
setAudioAvailable,
setAudioMuted,
setVideoAvailable,
setVideoMuted
} from './react/features/base/media';
import { showNotification } from './react/features/notifications';
import {
dominantSpeakerChanged,
getAvatarURLByParticipantId,
getLocalParticipant,
getParticipantById,
localParticipantConnectionStatusChanged,
localParticipantRoleChanged,
MAX_DISPLAY_NAME_LENGTH,
participantConnectionStatusChanged,
participantJoined,
participantLeft,
participantPresenceChanged,
participantRoleChanged,
participantUpdated
} from './react/features/base/participants';
import { updateSettings } from './react/features/base/settings';
import {
createLocalTracksF,
isLocalTrackMuted,
replaceLocalTrack,
trackAdded,
trackRemoved
} from './react/features/base/tracks';
import {
getLocationContextRoot,
getJitsiMeetGlobalNS
} from './react/features/base/util';
import { showDesktopPicker } from './react/features/desktop-picker';
import { appendSuffix } from './react/features/display-name';
import {
maybeOpenFeedbackDialog,
submitFeedback
} from './react/features/feedback';
import {
mediaPermissionPromptVisibilityChanged,
suspendDetected
} from './react/features/overlay';
import { setSharedVideoStatus } from './react/features/shared-video';
import { isButtonEnabled } from './react/features/toolbox';
const logger = require('jitsi-meet-logger').getLogger(__filename);
const eventEmitter = new EventEmitter();
let room;
let connection;
/*
* Logic to open a desktop picker put on the window global for
* lib-jitsi-meet to detect and invoke
*/
window.JitsiMeetScreenObtainer = {
openDesktopPicker(options, onSourceChoose) {
APP.store.dispatch(showDesktopPicker(options, onSourceChoose));
}
};
/**
* Known custom conference commands.
*/
const commands = {
AVATAR_ID: AVATAR_ID_COMMAND,
AVATAR_URL: AVATAR_URL_COMMAND,
CUSTOM_ROLE: 'custom-role',
EMAIL: EMAIL_COMMAND,
ETHERPAD: 'etherpad',
SHARED_VIDEO: 'shared-video'
};
/**
* Open Connection. When authentication failed it shows auth dialog.
* @param roomName the room name to use
* @returns Promise<JitsiConnection>
*/
function connect(roomName) {
return openConnection({
retry: true,
roomName
})
.catch(err => {
if (err === JitsiConnectionErrors.PASSWORD_REQUIRED) {
APP.UI.notifyTokenAuthFailed();
} else {
APP.UI.notifyConnectionFailed(err);
}
throw err;
});
}
/**
* Share data to other users.
* @param command the command
* @param {string} value new value
*/
function sendData(command, value) {
if (!room) {
return;
}
room.removeCommand(command);
room.sendCommand(command, { value });
}
/**
* Get user nickname by user id.
* @param {string} id user id
* @returns {string?} user nickname or undefined if user is unknown.
*/
function getDisplayName(id) {
const participant = getParticipantById(APP.store.getState(), id);
return participant && participant.name;
}
/**
* Mute or unmute local audio stream if it exists.
* @param {boolean} muted - if audio stream should be muted or unmuted.
*/
function muteLocalAudio(muted) {
APP.store.dispatch(setAudioMuted(muted));
}
/**
* Mute or unmute local video stream if it exists.
* @param {boolean} muted if video stream should be muted or unmuted.
*
*/
function muteLocalVideo(muted) {
APP.store.dispatch(setVideoMuted(muted));
}
/**
* Check if the welcome page is enabled and redirects to it.
* If requested show a thank you dialog before that.
* If we have a close page enabled, redirect to it without
* showing any other dialog.
*
* @param {object} options used to decide which particular close page to show
* or if close page is disabled, whether we should show the thankyou dialog
* @param {boolean} options.showThankYou - whether we should
* show thank you dialog
* @param {boolean} options.feedbackSubmitted - whether feedback was submitted
*/
function maybeRedirectToWelcomePage(options) {
// if close page is enabled redirect to it, without further action
if (config.enableClosePage) {
const { isGuest } = APP.store.getState()['features/base/jwt'];
// save whether current user is guest or not, before navigating
// to close page
window.sessionStorage.setItem('guest', isGuest);
redirectToStaticPage(`static/${
options.feedbackSubmitted ? 'close.html' : 'close2.html'}`);
return;
}
// else: show thankYou dialog only if there is no feedback
if (options.showThankYou) {
APP.store.dispatch(showNotification({
titleArguments: { appName: interfaceConfig.APP_NAME },
titleKey: 'dialog.thankYou'
}));
}
// if Welcome page is enabled redirect to welcome page after 3 sec, if
// there is a thank you message to be shown, 0.5s otherwise.
if (config.enableWelcomePage) {
setTimeout(
() => {
APP.store.dispatch(redirectWithStoredParams('/'));
},
options.showThankYou ? 3000 : 500);
}
}
/**
* Assigns a specific pathname to window.location.pathname taking into account
* the context root of the Web app.
*
* @param {string} pathname - The pathname to assign to
* window.location.pathname. If the specified pathname is relative, the context
* root of the Web app will be prepended to the specified pathname before
* assigning it to window.location.pathname.
* @return {void}
*/
function redirectToStaticPage(pathname) {
const windowLocation = window.location;
let newPathname = pathname;
if (!newPathname.startsWith('/')) {
// A pathname equal to ./ specifies the current directory. It will be
// fine but pointless to include it because contextRoot is the current
// directory.
newPathname.startsWith('./')
&& (newPathname = newPathname.substring(2));
newPathname = getLocationContextRoot(windowLocation) + newPathname;
}
windowLocation.pathname = newPathname;
}
/**
*
*/
class ConferenceConnector {
/**
*
*/
constructor(resolve, reject) {
this._resolve = resolve;
this._reject = reject;
this.reconnectTimeout = null;
room.on(JitsiConferenceEvents.CONFERENCE_JOINED,
this._handleConferenceJoined.bind(this));
room.on(JitsiConferenceEvents.CONFERENCE_FAILED,
this._onConferenceFailed.bind(this));
room.on(JitsiConferenceEvents.CONFERENCE_ERROR,
this._onConferenceError.bind(this));
}
/**
*
*/
_handleConferenceFailed(err) {
this._unsubscribe();
this._reject(err);
}
/**
*
*/
_onConferenceFailed(err, ...params) {
APP.store.dispatch(conferenceFailed(room, err, ...params));
logger.error('CONFERENCE FAILED:', err, ...params);
switch (err) {
case JitsiConferenceErrors.CONNECTION_ERROR: {
const [ msg ] = params;
APP.UI.notifyConnectionFailed(msg);
break;
}
case JitsiConferenceErrors.NOT_ALLOWED_ERROR: {
// let's show some auth not allowed page
redirectToStaticPage('static/authError.html');
break;
}
// not enough rights to create conference
case JitsiConferenceErrors.AUTHENTICATION_REQUIRED: {
// Schedule reconnect to check if someone else created the room.
this.reconnectTimeout = setTimeout(() => room.join(), 5000);
const { password }
= APP.store.getState()['features/base/conference'];
AuthHandler.requireAuth(room, password);
break;
}
case JitsiConferenceErrors.RESERVATION_ERROR: {
const [ code, msg ] = params;
APP.UI.notifyReservationError(code, msg);
break;
}
case JitsiConferenceErrors.GRACEFUL_SHUTDOWN:
APP.UI.notifyGracefulShutdown();
break;
case JitsiConferenceErrors.JINGLE_FATAL_ERROR: {
const [ error ] = params;
APP.UI.notifyInternalError(error);
break;
}
case JitsiConferenceErrors.CONFERENCE_DESTROYED: {
const [ reason ] = params;
APP.UI.hideStats();
APP.UI.notifyConferenceDestroyed(reason);
break;
}
// FIXME FOCUS_DISCONNECTED is a confusing event name.
// What really happens there is that the library is not ready yet,
// because Jicofo is not available, but it is going to give it another
// try.
case JitsiConferenceErrors.FOCUS_DISCONNECTED: {
const [ focus, retrySec ] = params;
APP.UI.notifyFocusDisconnected(focus, retrySec);
break;
}
case JitsiConferenceErrors.FOCUS_LEFT:
case JitsiConferenceErrors.VIDEOBRIDGE_NOT_AVAILABLE:
// FIXME the conference should be stopped by the library and not by
// the app. Both the errors above are unrecoverable from the library
// perspective.
room.leave().then(() => connection.disconnect());
break;
case JitsiConferenceErrors.CONFERENCE_MAX_USERS:
connection.disconnect();
APP.UI.notifyMaxUsersLimitReached();
break;
case JitsiConferenceErrors.INCOMPATIBLE_SERVER_VERSIONS:
APP.store.dispatch(reloadWithStoredParams());
break;
default:
this._handleConferenceFailed(err, ...params);
}
}
/**
*
*/
_onConferenceError(err, ...params) {
logger.error('CONFERENCE Error:', err, params);
switch (err) {
case JitsiConferenceErrors.CHAT_ERROR:
logger.error('Chat error.', err);
if (isButtonEnabled('chat')) {
const [ code, msg ] = params;
APP.UI.showChatError(code, msg);
}
break;
default:
logger.error('Unknown error.', err);
}
}
/**
*
*/
_unsubscribe() {
room.off(
JitsiConferenceEvents.CONFERENCE_JOINED,
this._handleConferenceJoined);
room.off(
JitsiConferenceEvents.CONFERENCE_FAILED,
this._onConferenceFailed);
if (this.reconnectTimeout !== null) {
clearTimeout(this.reconnectTimeout);
}
AuthHandler.closeAuth();
}
/**
*
*/
_handleConferenceJoined() {
this._unsubscribe();
this._resolve();
}
/**
*
*/
connect() {
room.join();
}
}
/**
* Disconnects the connection.
* @returns resolved Promise. We need this in order to make the Promise.all
* call in hangup() to resolve when all operations are finished.
*/
function disconnect() {
connection.disconnect();
APP.API.notifyConferenceLeft(APP.conference.roomName);
return Promise.resolve();
}
/**
* Handles CONNECTION_FAILED events from lib-jitsi-meet.
*
* @param {JitsiConnectionError} error - The reported error.
* @returns {void}
* @private
*/
function _connectionFailedHandler(error) {
if (isFatalJitsiConnectionError(error)) {
APP.connection.removeEventListener(
JitsiConnectionEvents.CONNECTION_FAILED,
_connectionFailedHandler);
if (room) {
room.leave();
}
}
}
export default {
/**
* Flag used to delay modification of the muted status of local media tracks
* until those are created (or not, but at that point it's certain that
* the tracks won't exist).
*/
_localTracksInitialized: false,
isModerator: false,
isSharingScreen: false,
/**
* Indicates if the desktop sharing functionality has been enabled.
* It takes into consideration {@link isDesktopSharingDisabledByConfig}
* as well as the status returned by
* {@link JitsiMeetJS.isDesktopSharingEnabled()}. The latter can be false
* either if the desktop sharing is not supported by the current browser
* or if it was disabled through lib-jitsi-meet specific options (check
* config.js for listed options).
*/
isDesktopSharingEnabled: false,
/**
* Set to <tt>true</tt> if the desktop sharing functionality has been
* explicitly disabled in the config.
*/
isDesktopSharingDisabledByConfig: false,
/**
* The text displayed when the desktop sharing button is disabled through
* the config. The value is set through
* {@link interfaceConfig.DESKTOP_SHARING_BUTTON_DISABLED_TOOLTIP}.
*/
desktopSharingDisabledTooltip: null,
/**
* The local audio track (if any).
* FIXME tracks from redux store should be the single source of truth
* @type {JitsiLocalTrack|null}
*/
localAudio: null,
/**
* The local video track (if any).
* FIXME tracks from redux store should be the single source of truth, but
* more refactoring is required around screen sharing ('localVideo' usages).
* @type {JitsiLocalTrack|null}
*/
localVideo: null,
/**
* Creates local media tracks and connects to a room. Will show error
* dialogs in case accessing the local microphone and/or camera failed. Will
* show guidance overlay for users on how to give access to camera and/or
* microphone.
* @param {string} roomName
* @param {object} options
* @param {boolean} options.startAudioOnly=false - if <tt>true</tt> then
* only audio track will be created and the audio only mode will be turned
* on.
* @param {boolean} options.startScreenSharing=false - if <tt>true</tt>
* should start with screensharing instead of camera video.
* @param {boolean} options.startWithAudioMuted - will start the conference
* without any audio tracks.
* @param {boolean} options.startWithVideoMuted - will start the conference
* without any video tracks.
* @returns {Promise.<JitsiLocalTrack[], JitsiConnection>}
*/
createInitialLocalTracksAndConnect(roomName, options = {}) {
let audioAndVideoError,
audioOnlyError,
screenSharingError,
videoOnlyError;
const initialDevices = [];
let requestedAudio = false;
let requestedVideo = false;
if (!options.startWithAudioMuted) {
initialDevices.push('audio');
requestedAudio = true;
}
if (!options.startWithVideoMuted
&& !options.startAudioOnly
&& !options.startScreenSharing) {
initialDevices.push('video');
requestedVideo = true;
}
JitsiMeetJS.mediaDevices.addEventListener(
JitsiMediaDevicesEvents.PERMISSION_PROMPT_IS_SHOWN,
browser =>
APP.store.dispatch(
mediaPermissionPromptVisibilityChanged(true, browser))
);
let tryCreateLocalTracks;
// FIXME is there any simpler way to rewrite this spaghetti below ?
if (options.startScreenSharing) {
tryCreateLocalTracks = this._createDesktopTrack()
.then(desktopStream => {
if (!requestedAudio) {
return [ desktopStream ];
}
return createLocalTracksF({ devices: [ 'audio' ] }, true)
.then(([ audioStream ]) =>
[ desktopStream, audioStream ])
.catch(error => {
audioOnlyError = error;
return [ desktopStream ];
});
})
.catch(error => {
logger.error('Failed to obtain desktop stream', error);
screenSharingError = error;
return requestedAudio
? createLocalTracksF({ devices: [ 'audio' ] }, true)
: [];
})
.catch(error => {
audioOnlyError = error;
return [];
});
} else if (!requestedAudio && !requestedVideo) {
// Resolve with no tracks
tryCreateLocalTracks = Promise.resolve([]);
} else {
tryCreateLocalTracks = createLocalTracksF(
{ devices: initialDevices }, true)
.catch(err => {
if (requestedAudio && requestedVideo) {
// Try audio only...
audioAndVideoError = err;
return (
createLocalTracksF({ devices: [ 'audio' ] }, true));
} else if (requestedAudio && !requestedVideo) {
audioOnlyError = err;
return [];
} else if (requestedVideo && !requestedAudio) {
videoOnlyError = err;
return [];
}
logger.error('Should never happen');
})
.catch(err => {
// Log this just in case...
if (!requestedAudio) {
logger.error('The impossible just happened', err);
}
audioOnlyError = err;
// Try video only...
return requestedVideo
? createLocalTracksF({ devices: [ 'video' ] }, true)
: [];
})
.catch(err => {
// Log this just in case...
if (!requestedVideo) {
logger.error('The impossible just happened', err);
}
videoOnlyError = err;
return [];
});
}
// Hide the permissions prompt/overlay as soon as the tracks are
// created. Don't wait for the connection to be made, since in some
// cases, when auth is rquired, for instance, that won't happen until
// the user inputs their credentials, but the dialog would be
// overshadowed by the overlay.
tryCreateLocalTracks.then(() =>
APP.store.dispatch(mediaPermissionPromptVisibilityChanged(false)));
return Promise.all([ tryCreateLocalTracks, connect(roomName) ])
.then(([ tracks, con ]) => {
// FIXME If there will be microphone error it will cover any
// screensharing dialog, but it's still better than in
// the reverse order where the screensharing dialog will
// sometimes be closing the microphone alert ($.prompt.close();
// is called). Need to figure out dialogs chaining to fix that.
if (screenSharingError) {
this._handleScreenSharingError(screenSharingError);
}
if (audioAndVideoError || audioOnlyError) {
if (audioOnlyError || videoOnlyError) {
// If both requests for 'audio' + 'video' and 'audio'
// only failed, we assume that there are some problems
// with user's microphone and show corresponding dialog.
APP.UI.showMicErrorNotification(audioOnlyError);
APP.UI.showCameraErrorNotification(videoOnlyError);
} else {
// If request for 'audio' + 'video' failed, but request
// for 'audio' only was OK, we assume that we had
// problems with camera and show corresponding dialog.
APP.UI.showCameraErrorNotification(audioAndVideoError);
}
}
return [ tracks, con ];
});
},
/**
* Open new connection and join to the conference.
* @param {object} options
* @param {string} roomName - The name of the conference.
* @returns {Promise}
*/
init(options) {
this.roomName = options.roomName;
return (
this.createInitialLocalTracksAndConnect(
options.roomName, {
startAudioOnly: config.startAudioOnly,
startScreenSharing: config.startScreenSharing,
startWithAudioMuted: config.startWithAudioMuted,
startWithVideoMuted: config.startWithVideoMuted
})
.then(([ tracks, con ]) => {
tracks.forEach(track => {
if ((track.isAudioTrack() && this.isLocalAudioMuted())
|| (track.isVideoTrack() && this.isLocalVideoMuted())) {
const mediaType = track.getType();
sendAnalytics(
createTrackMutedEvent(mediaType, 'initial mute'));
logger.log(`${mediaType} mute: initially muted.`);
track.mute();
}
});
logger.log('initialized with %s local tracks', tracks.length);
this._localTracksInitialized = true;
con.addEventListener(
JitsiConnectionEvents.CONNECTION_FAILED,
_connectionFailedHandler);
APP.connection = connection = con;
// Desktop sharing related stuff:
this.isDesktopSharingDisabledByConfig
= config.disableDesktopSharing;
this.isDesktopSharingEnabled
= !this.isDesktopSharingDisabledByConfig
&& JitsiMeetJS.isDesktopSharingEnabled();
this.desktopSharingDisabledTooltip
= interfaceConfig.DESKTOP_SHARING_BUTTON_DISABLED_TOOLTIP;
eventEmitter.emit(
JitsiMeetConferenceEvents.DESKTOP_SHARING_ENABLED_CHANGED,
this.isDesktopSharingEnabled);
APP.store.dispatch(
setDesktopSharingEnabled(this.isDesktopSharingEnabled));
this._createRoom(tracks);
APP.remoteControl.init();
// if user didn't give access to mic or camera or doesn't have
// them at all, we mark corresponding toolbar buttons as muted,
// so that the user can try unmute later on and add audio/video
// to the conference
if (!tracks.find(t => t.isAudioTrack())) {
this.setAudioMuteStatus(true);
}
if (!tracks.find(t => t.isVideoTrack())) {
this.setVideoMuteStatus(true);
}
this._initDeviceList();
if (config.iAmRecorder) {
this.recorder = new Recorder();
}
// XXX The API will take care of disconnecting from the XMPP
// server (and, thus, leaving the room) on unload.
return new Promise((resolve, reject) => {
(new ConferenceConnector(resolve, reject)).connect();
});
})
);
},
/**
* Check if id is id of the local user.
* @param {string} id id to check
* @returns {boolean}
*/
isLocalId(id) {
return this.getMyUserId() === id;
},
/**
* Tells whether the local video is muted or not.
* @return {boolean}
*/
isLocalVideoMuted() {
// If the tracks are not ready, read from base/media state
return this._localTracksInitialized
? isLocalTrackMuted(
APP.store.getState()['features/base/tracks'],
MEDIA_TYPE.VIDEO)
: isVideoMutedByUser(APP.store);
},
/**
* Simulates toolbar button click for audio mute. Used by shortcuts and API.
* @param {boolean} mute true for mute and false for unmute.
* @param {boolean} [showUI] when set to false will not display any error
* dialogs in case of media permissions error.
*/
muteAudio(mute, showUI = true) {
// Not ready to modify track's state yet
if (!this._localTracksInitialized) {
// This will only modify base/media.audio.muted which is then synced
// up with the track at the end of local tracks initialization.
muteLocalAudio(mute);
this.setAudioMuteStatus(mute);
return;
} else if (this.isLocalAudioMuted() === mute) {
// NO-OP
return;
}
if (!this.localAudio && !mute) {
const maybeShowErrorDialog = error => {
showUI && APP.UI.showMicErrorNotification(error);
};
createLocalTracksF({ devices: [ 'audio' ] }, false)
.then(([ audioTrack ]) => audioTrack)
.catch(error => {
maybeShowErrorDialog(error);
// Rollback the audio muted status by using null track
return null;
})
.then(audioTrack => this.useAudioStream(audioTrack));
} else {
muteLocalAudio(mute);
}
},
/**
* Returns whether local audio is muted or not.
* @returns {boolean}
*/
isLocalAudioMuted() {
// If the tracks are not ready, read from base/media state
return this._localTracksInitialized
? isLocalTrackMuted(
APP.store.getState()['features/base/tracks'],
MEDIA_TYPE.AUDIO)
: Boolean(
APP.store.getState()['features/base/media'].audio.muted);
},
/**
* Simulates toolbar button click for audio mute. Used by shortcuts
* and API.
* @param {boolean} [showUI] when set to false will not display any error
* dialogs in case of media permissions error.
*/
toggleAudioMuted(showUI = true) {
this.muteAudio(!this.isLocalAudioMuted(), showUI);
},
/**
* Simulates toolbar button click for video mute. Used by shortcuts and API.
* @param mute true for mute and false for unmute.
* @param {boolean} [showUI] when set to false will not display any error
* dialogs in case of media permissions error.
*/
muteVideo(mute, showUI = true) {
// If not ready to modify track's state yet adjust the base/media
if (!this._localTracksInitialized) {
// This will only modify base/media.video.muted which is then synced
// up with the track at the end of local tracks initialization.
muteLocalVideo(mute);
this.setVideoMuteStatus(mute);
return;
} else if (this.isLocalVideoMuted() === mute) {
// NO-OP
return;
}
// FIXME it is possible to queue this task twice, but it's not causing
// any issues. Specifically this can happen when the previous
// get user media call is blocked on "ask user for permissions" dialog.
if (!this.localVideo && !mute) {
const maybeShowErrorDialog = error => {
showUI && APP.UI.showCameraErrorNotification(error);
};
// Try to create local video if there wasn't any.
// This handles the case when user joined with no video
// (dismissed screen sharing screen or in audio only mode), but
// decided to add it later on by clicking on muted video icon or
// turning off the audio only mode.
//
// FIXME when local track creation is moved to react/redux
// it should take care of the use case described above
createLocalTracksF({ devices: [ 'video' ] }, false)
.then(([ videoTrack ]) => videoTrack)
.catch(error => {
// FIXME should send some feedback to the API on error ?
maybeShowErrorDialog(error);
// Rollback the video muted status by using null track
return null;
})
.then(videoTrack => this.useVideoStream(videoTrack));
} else {
// FIXME show error dialog if it fails (should be handled by react)
muteLocalVideo(mute);
}
},
/**
* Simulates toolbar button click for video mute. Used by shortcuts and API.
* @param {boolean} [showUI] when set to false will not display any error
* dialogs in case of media permissions error.
*/
toggleVideoMuted(showUI = true) {
this.muteVideo(!this.isLocalVideoMuted(), showUI);
},
/**
* Retrieve list of conference participants (without local user).
* @returns {JitsiParticipant[]}
*/
listMembers() {
return room.getParticipants();
},
/**
* Retrieve list of ids of conference participants (without local user).
* @returns {string[]}
*/
listMembersIds() {
return room.getParticipants().map(p => p.getId());
},
/**
* Checks whether the participant identified by id is a moderator.
* @id id to search for participant
* @return {boolean} whether the participant is moderator
*/
isParticipantModerator(id) {
const user = room.getParticipantById(id);
return user && user.isModerator();
},
get membersCount() {
return room.getParticipants().length + 1;
},
/**
* Returns true if the callstats integration is enabled, otherwise returns
* false.
*
* @returns true if the callstats integration is enabled, otherwise returns
* false.
*/
isCallstatsEnabled() {
return room && room.isCallstatsEnabled();
},
/**
* Sends the given feedback through CallStats if enabled.
*
* @param overallFeedback an integer between 1 and 5 indicating the
* user feedback
* @param detailedFeedback detailed feedback from the user. Not yet used
*/
sendFeedback(overallFeedback, detailedFeedback) {
return room.sendFeedback(overallFeedback, detailedFeedback);
},
/**
* Get speaker stats that track total dominant speaker time.
*
* @returns {object} A hash with keys being user ids and values being the
* library's SpeakerStats model used for calculating time as dominant
* speaker.
*/
getSpeakerStats() {
return room.getSpeakerStats();
},
/**
* Returns the connection times stored in the library.
*/
getConnectionTimes() {
return this._room.getConnectionTimes();
},
// used by torture currently
isJoined() {
return this._room
&& this._room.isJoined();
},
getConnectionState() {
return this._room
&& this._room.getConnectionState();
},
/**
* Obtains current P2P ICE connection state.
* @return {string|null} ICE connection state or <tt>null</tt> if there's no
* P2P connection
*/
getP2PConnectionState() {
return this._room
&& this._room.getP2PConnectionState();
},
/**
* Starts P2P (for tests only)
* @private
*/
_startP2P() {
try {
this._room && this._room.startP2PSession();
} catch (error) {
logger.error('Start P2P failed', error);
throw error;
}
},
/**
* Stops P2P (for tests only)
* @private
*/
_stopP2P() {
try {
this._room && this._room.stopP2PSession();
} catch (error) {
logger.error('Stop P2P failed', error);
throw error;
}
},
/**
* Checks whether or not our connection is currently in interrupted and
* reconnect attempts are in progress.
*
* @returns {boolean} true if the connection is in interrupted state or
* false otherwise.
*/
isConnectionInterrupted() {
return this._room.isConnectionInterrupted();
},
/**
* Obtains the local display name.
* @returns {string|undefined}
*/
getLocalDisplayName() {
return getDisplayName(this.getMyUserId());
},
/**
* Finds JitsiParticipant for given id.
*
* @param {string} id participant's identifier(MUC nickname).
*
* @returns {JitsiParticipant|null} participant instance for given id or
* null if not found.
*/
getParticipantById(id) {
return room ? room.getParticipantById(id) : null;
},
/**
* Get participant connection status for the participant.
*
* @param {string} id participant's identifier(MUC nickname)
*
* @returns {ParticipantConnectionStatus|null} the status of the participant
* or null if no such participant is found or participant is the local user.
*/
getParticipantConnectionStatus(id) {
const participant = this.getParticipantById(id);
return participant ? participant.getConnectionStatus() : null;
},
/**
* Gets the display name foe the <tt>JitsiParticipant</tt> identified by
* the given <tt>id</tt>.
*
* @param id {string} the participant's id(MUC nickname/JVB endpoint id)
*
* @return {string} the participant's display name or the default string if
* absent.
*/
getParticipantDisplayName(id) {
const displayName = getDisplayName(id);
if (displayName) {
return displayName;
}
if (APP.conference.isLocalId(id)) {
return APP.translation.generateTranslationHTML(
interfaceConfig.DEFAULT_LOCAL_DISPLAY_NAME);
}
return interfaceConfig.DEFAULT_REMOTE_DISPLAY_NAME;
},
getMyUserId() {
return this._room && this._room.myUserId();
},
/**
* Will be filled with values only when config.debug is enabled.
* Its used by torture to check audio levels.
*/
audioLevelsMap: {},
/**
* Returns the stored audio level (stored only if config.debug is enabled)
* @param id the id for the user audio level to return (the id value is
* returned for the participant using getMyUserId() method)
*/
getPeerSSRCAudioLevel(id) {
return this.audioLevelsMap[id];
},
/**
* @return {number} the number of participants in the conference with at
* least one track.
*/
getNumberOfParticipantsWithTracks() {
return this._room.getParticipants()
.filter(p => p.getTracks().length > 0)
.length;
},
/**
* Returns the stats.
*/
getStats() {
return room.connectionQuality.getStats();
},
// end used by torture
getLogs() {
return room.getLogs();
},
/**
* Download logs, a function that can be called from console while
* debugging.
* @param filename (optional) specify target filename
*/
saveLogs(filename = 'meetlog.json') {
// this can be called from console and will not have reference to this
// that's why we reference the global var
const logs = APP.conference.getLogs();
const data = encodeURIComponent(JSON.stringify(logs, null, ' '));
const elem = document.createElement('a');
elem.download = filename;
elem.href = `data:application/json;charset=utf-8,\n${data}`;
elem.dataset.downloadurl
= [ 'text/json', elem.download, elem.href ].join(':');
elem.dispatchEvent(new MouseEvent('click', {
view: window,
bubbles: true,
cancelable: false
}));
},
/**
* Exposes a Command(s) API on this instance. It is necessitated by (1) the
* desire to keep room private to this instance and (2) the need of other
* modules to send and receive commands to and from participants.
* Eventually, this instance remains in control with respect to the
* decision whether the Command(s) API of room (i.e. lib-jitsi-meet's
* JitsiConference) is to be used in the implementation of the Command(s)
* API of this instance.
*/
commands: {
/**
* Known custom conference commands.
*/
defaults: commands,
/**
* Receives notifications from other participants about commands aka
* custom events (sent by sendCommand or sendCommandOnce methods).
* @param command {String} the name of the command
* @param handler {Function} handler for the command
*/
addCommandListener() {
// eslint-disable-next-line prefer-rest-params
room.addCommandListener(...arguments);
},
/**
* Removes command.
* @param name {String} the name of the command.
*/
removeCommand() {
// eslint-disable-next-line prefer-rest-params
room.removeCommand(...arguments);
},
/**
* Sends command.
* @param name {String} the name of the command.
* @param values {Object} with keys and values that will be sent.
*/
sendCommand() {
// eslint-disable-next-line prefer-rest-params
room.sendCommand(...arguments);
},
/**
* Sends command one time.
* @param name {String} the name of the command.
* @param values {Object} with keys and values that will be sent.
*/
sendCommandOnce() {
// eslint-disable-next-line prefer-rest-params
room.sendCommandOnce(...arguments);
}
},
_createRoom(localTracks) {
room
= connection.initJitsiConference(
APP.conference.roomName,
this._getConferenceOptions());
APP.store.dispatch(conferenceWillJoin(room));
this._setLocalAudioVideoStreams(localTracks);
this._room = room; // FIXME do not use this
sendLocalParticipant(APP.store, room);
this._setupListeners();
},
/**
* Sets local video and audio streams.
* @param {JitsiLocalTrack[]} tracks=[]
* @returns {Promise[]}
* @private
*/
_setLocalAudioVideoStreams(tracks = []) {
return tracks.map(track => {
if (track.isAudioTrack()) {
return this.useAudioStream(track);
} else if (track.isVideoTrack()) {
return this.useVideoStream(track);
}
logger.error(
'Ignored not an audio nor a video track: ', track);
return Promise.resolve();
});
},
_getConferenceOptions() {
const options = config;
if (config.enableRecording && !config.recordingType) {
options.recordingType
= config.hosts && (typeof config.hosts.jirecon !== 'undefined')
? 'jirecon'
: 'colibri';
}
const nick = APP.store.getState()['features/base/settings'].displayName;
if (nick) {
options.displayName = nick;
}
options.applicationName = interfaceConfig.APP_NAME;
options.getWiFiStatsMethod = getJitsiMeetGlobalNS().getWiFiStats;
return options;
},
/**
* Start using provided video stream.
* Stops previous video stream.
* @param {JitsiLocalTrack} [stream] new stream to use or null
* @returns {Promise}
*/
useVideoStream(newStream) {
return APP.store.dispatch(
replaceLocalTrack(this.localVideo, newStream, room))
.then(() => {
this.localVideo = newStream;
this._setSharingScreen(newStream);
if (newStream) {
APP.UI.addLocalStream(newStream);
}
this.setVideoMuteStatus(this.isLocalVideoMuted());
});
},
/**
* Sets `this.isSharingScreen` depending on provided video stream.
* In case new screen sharing status is not equal previous one
* it updates desktop sharing buttons in UI
* and notifies external application.
*
* @param {JitsiLocalTrack} [newStream] new stream to use or null
* @private
* @returns {void}
*/
_setSharingScreen(newStream) {
const wasSharingScreen = this.isSharingScreen;
this.isSharingScreen = newStream && newStream.videoType === 'desktop';
if (wasSharingScreen !== this.isSharingScreen) {
APP.API.notifyScreenSharingStatusChanged(this.isSharingScreen);
}
},
/**
* Start using provided audio stream.
* Stops previous audio stream.
* @param {JitsiLocalTrack} [stream] new stream to use or null
* @returns {Promise}
*/
useAudioStream(newStream) {
return APP.store.dispatch(
replaceLocalTrack(this.localAudio, newStream, room))
.then(() => {
this.localAudio = newStream;
if (newStream) {
APP.UI.addLocalStream(newStream);
}
this.setAudioMuteStatus(this.isLocalAudioMuted());
});
},
/**
* Returns whether or not the conference is currently in audio only mode.
*
* @returns {boolean}
*/
isAudioOnly() {
return Boolean(
APP.store.getState()['features/base/conference'].audioOnly);
},
videoSwitchInProgress: false,
/**
* This fields stores a handler which will create a Promise which turns off
* the screen sharing and restores the previous video state (was there
* any video, before switching to screen sharing ? was it muted ?).
*
* Once called this fields is cleared to <tt>null</tt>.
* @type {Function|null}
*/
_untoggleScreenSharing: null,
/**
* Creates a Promise which turns off the screen sharing and restores
* the previous state described by the arguments.
*
* This method is bound to the appropriate values, after switching to screen
* sharing and stored in {@link _untoggleScreenSharing}.
*
* @param {boolean} didHaveVideo indicates if there was a camera video being
* used, before switching to screen sharing.
* @param {boolean} wasVideoMuted indicates if the video was muted, before
* switching to screen sharing.
* @return {Promise} resolved after the screen sharing is turned off, or
* rejected with some error (no idea what kind of error, possible GUM error)
* in case it fails.
* @private
*/
_turnScreenSharingOff(didHaveVideo, wasVideoMuted) {
this._untoggleScreenSharing = null;
this.videoSwitchInProgress = true;
const { receiver } = APP.remoteControl;
if (receiver) {
receiver.stop();
}
let promise = null;
if (didHaveVideo) {
promise = createLocalTracksF({ devices: [ 'video' ] })
.then(([ stream ]) => this.useVideoStream(stream))
.then(() => {
sendAnalytics(createScreenSharingEvent('stopped'));
logger.log('Screen sharing stopped, switching to video.');
if (!this.localVideo && wasVideoMuted) {
return Promise.reject('No local video to be muted!');
} else if (wasVideoMuted && this.localVideo) {
return this.localVideo.mute();
}
})
.catch(error => {
logger.error('failed to switch back to local video', error);
return this.useVideoStream(null).then(() =>
// Still fail with the original err
Promise.reject(error)
);
});
} else {
promise = this.useVideoStream(null);
}
return promise.then(
() => {
this.videoSwitchInProgress = false;
},
error => {
this.videoSwitchInProgress = false;
throw error;
});
},
/**
* Toggles between screen sharing and camera video if the toggle parameter
* is not specified and starts the procedure for obtaining new screen
* sharing/video track otherwise.
*
* @param {boolean} [toggle] - If true - new screen sharing track will be
* obtained. If false - new video track will be obtain. If not specified -
* toggles between screen sharing and camera video.
* @param {Object} [options] - Screen sharing options that will be passed to
* createLocalTracks.
* @param {Array<string>} [options.desktopSharingSources] - Array with the
* sources that have to be displayed in the desktop picker window ('screen',
* 'window', etc.).
* @return {Promise.<T>}
*/
toggleScreenSharing(toggle = !this._untoggleScreenSharing, options = {}) {
if (this.videoSwitchInProgress) {
return Promise.reject('Switch in progress.');
}
if (!this.isDesktopSharingEnabled) {
return Promise.reject(
'Cannot toggle screen sharing: not supported.');
}
if (this.isAudioOnly()) {
return Promise.reject('No screensharing in audio only mode');
}
if (toggle) {
return this._switchToScreenSharing(options);
}
return this._untoggleScreenSharing();
},
/**
* Creates desktop (screensharing) {@link JitsiLocalTrack}
* @param {Object} [options] - Screen sharing options that will be passed to
* createLocalTracks.
*
* @return {Promise.<JitsiLocalTrack>} - A Promise resolved with
* {@link JitsiLocalTrack} for the screensharing or rejected with
* {@link JitsiTrackError}.
*
* @private
*/
_createDesktopTrack(options = {}) {
let externalInstallation = false;
let DSExternalInstallationInProgress = false;
const didHaveVideo = Boolean(this.localVideo);
const wasVideoMuted = this.isLocalVideoMuted();
return createLocalTracksF({
desktopSharingSources: options.desktopSharingSources,
devices: [ 'desktop' ],
desktopSharingExtensionExternalInstallation: {
interval: 500,
checkAgain: () => DSExternalInstallationInProgress,
listener: (status, url) => {
switch (status) {
case 'waitingForExtension': {
DSExternalInstallationInProgress = true;
externalInstallation = true;
const listener = () => {
// Wait a little bit more just to be sure that we
// won't miss the extension installation
setTimeout(
() => {
DSExternalInstallationInProgress = false;
},
500);
APP.UI.removeListener(
UIEvents.EXTERNAL_INSTALLATION_CANCELED,
listener);
};
APP.UI.addListener(
UIEvents.EXTERNAL_INSTALLATION_CANCELED,
listener);
APP.UI.showExtensionExternalInstallationDialog(url);
break;
}
case 'extensionFound':
// Close the dialog.
externalInstallation && $.prompt.close();
break;
default:
// Unknown status
}
}
}
}).then(([ desktopStream ]) => {
// Stores the "untoggle" handler which remembers whether was
// there any video before and whether was it muted.
this._untoggleScreenSharing
= this._turnScreenSharingOff
.bind(this, didHaveVideo, wasVideoMuted);
desktopStream.on(
JitsiTrackEvents.LOCAL_TRACK_STOPPED,
() => {
// If the stream was stopped during screen sharing
// session then we should switch back to video.
this.isSharingScreen
&& this._untoggleScreenSharing
&& this._untoggleScreenSharing();
}
);
// close external installation dialog on success.
externalInstallation && $.prompt.close();
return desktopStream;
}, error => {
DSExternalInstallationInProgress = false;
// close external installation dialog on success.
externalInstallation && $.prompt.close();
throw error;
});
},
/**
* Tries to switch to the screensharing mode by disposing camera stream and
* replacing it with a desktop one.
*
* @param {Object} [options] - Screen sharing options that will be passed to
* createLocalTracks.
*
* @return {Promise} - A Promise resolved if the operation succeeds or
* rejected with some unknown type of error in case it fails. Promise will
* be rejected immediately if {@link videoSwitchInProgress} is true.
*
* @private
*/
_switchToScreenSharing(options = {}) {
if (this.videoSwitchInProgress) {
return Promise.reject('Switch in progress.');
}
this.videoSwitchInProgress = true;
return this._createDesktopTrack(options)
.then(stream => this.useVideoStream(stream))
.then(() => {
this.videoSwitchInProgress = false;
sendAnalytics(createScreenSharingEvent('started'));
logger.log('Screen sharing started');
})
.catch(error => {
this.videoSwitchInProgress = false;
// Pawel: With this call I'm trying to preserve the original
// behaviour although it is not clear why would we "untoggle"
// on failure. I suppose it was to restore video in case there
// was some problem during "this.useVideoStream(desktopStream)".
// It's important to note that the handler will not be available
// if we fail early on trying to get desktop media (which makes
// sense, because the camera video is still being used, so
// nothing to "untoggle").
if (this._untoggleScreenSharing) {
this._untoggleScreenSharing();
}
// FIXME the code inside of _handleScreenSharingError is
// asynchronous, but does not return a Promise and is not part
// of the current Promise chain.
this._handleScreenSharingError(error);
return Promise.reject(error);
});
},
/**
* Handles {@link JitsiTrackError} returned by the lib-jitsi-meet when
* trying to create screensharing track. It will either do nothing if
* the dialog was canceled on user's request or display inline installation
* dialog and ask the user to install the extension, once the extension is
* installed it will switch the conference to screensharing. The last option
* is that an unrecoverable error dialog will be displayed.
* @param {JitsiTrackError} error - The error returned by
* {@link _createDesktopTrack} Promise.
* @private
*/
_handleScreenSharingError(error) {
if (error.name === JitsiTrackErrors.CHROME_EXTENSION_USER_CANCELED) {
return;
}
logger.error('failed to share local desktop', error);
if (error.name
=== JitsiTrackErrors.CHROME_EXTENSION_USER_GESTURE_REQUIRED) {
// If start with screen sharing the extension will fail to install
// (if not found), because the request has been triggered by the
// script. Show a dialog which asks user to click "install" and try
// again switching to the screen sharing.
APP.UI.showExtensionInlineInstallationDialog(
() => {
// eslint-disable-next-line no-empty-function
this.toggleScreenSharing().catch(() => {});
}
);
return;
}
// Handling:
// JitsiTrackErrors.PERMISSION_DENIED
// JitsiTrackErrors.CHROME_EXTENSION_INSTALLATION_ERROR
// JitsiTrackErrors.GENERAL
// and any other
let descriptionKey;
let titleKey;
if (error.name === JitsiTrackErrors.PERMISSION_DENIED) {
// in FF the only option for user is to deny access temporary or
// permanently and we only receive permission_denied
// we always show some info cause in case of permanently, no info
// shown will be bad experience
//
// TODO: detect interval between requesting permissions and received
// error, this way we can detect user interaction which will have
// longer delay
if (JitsiMeetJS.util.browser.isFirefox()) {
descriptionKey
= 'dialog.screenSharingFirefoxPermissionDeniedError';
titleKey = 'dialog.screenSharingFirefoxPermissionDeniedTitle';
} else {
descriptionKey = 'dialog.screenSharingPermissionDeniedError';
titleKey = 'dialog.screenSharingFailedToInstallTitle';
}
} else {
descriptionKey = 'dialog.screenSharingFailedToInstall';
titleKey = 'dialog.screenSharingFailedToInstallTitle';
}
APP.UI.messageHandler.showError({
descriptionKey,
titleKey
});
},
/**
* Setup interaction between conference and UI.
*/
_setupListeners() {
// add local streams when joined to the conference
room.on(JitsiConferenceEvents.CONFERENCE_JOINED, () => {
this._onConferenceJoined();
});
room.on(
JitsiConferenceEvents.CONFERENCE_LEFT,
(...args) => APP.store.dispatch(conferenceLeft(room, ...args)));
room.on(
JitsiConferenceEvents.AUTH_STATUS_CHANGED,
(authEnabled, authLogin) =>
APP.UI.updateAuthInfo(authEnabled, authLogin));
room.on(JitsiConferenceEvents.PARTCIPANT_FEATURES_CHANGED,
user => APP.UI.onUserFeaturesChanged(user));
room.on(JitsiConferenceEvents.USER_JOINED, (id, user) => {
if (user.isHidden()) {
return;
}
const displayName = user.getDisplayName();
APP.store.dispatch(participantJoined({
conference: room,
id,
name: displayName,
presence: user.getStatus(),
role: user.getRole()
}));
logger.log('USER %s connnected', id, user);
APP.API.notifyUserJoined(id, {
displayName,
formattedDisplayName: appendSuffix(
displayName || interfaceConfig.DEFAULT_REMOTE_DISPLAY_NAME)
});
APP.UI.addUser(user);
// check the roles for the new user and reflect them
APP.UI.updateUserRole(user);
});
room.on(JitsiConferenceEvents.USER_LEFT, (id, user) => {
if (user.isHidden()) {
return;
}
APP.store.dispatch(participantLeft(id, room));
logger.log('USER %s LEFT', id, user);
APP.API.notifyUserLeft(id);
APP.UI.removeUser(id, user.getDisplayName());
APP.UI.onSharedVideoStop(id);
});
room.on(JitsiConferenceEvents.USER_STATUS_CHANGED, (id, status) => {
APP.store.dispatch(participantPresenceChanged(id, status));
const user = room.getParticipantById(id);
if (user) {
APP.UI.updateUserStatus(user, status);
}
});
room.on(JitsiConferenceEvents.USER_ROLE_CHANGED, (id, role) => {
if (this.isLocalId(id)) {
logger.info(`My role changed, new role: ${role}`);
APP.store.dispatch(localParticipantRoleChanged(role));
if (this.isModerator !== room.isModerator()) {
this.isModerator = room.isModerator();
APP.UI.updateLocalRole(room.isModerator());
}
} else {
APP.store.dispatch(participantRoleChanged(id, role));
const user = room.getParticipantById(id);
if (user) {
APP.UI.updateUserRole(user);
}
}
});
room.on(JitsiConferenceEvents.TRACK_ADDED, track => {
if (!track || track.isLocal()) {
return;
}
APP.store.dispatch(trackAdded(track));
});
room.on(JitsiConferenceEvents.TRACK_REMOVED, track => {
if (!track || track.isLocal()) {
return;
}
APP.store.dispatch(trackRemoved(track));
});
room.on(JitsiConferenceEvents.TRACK_AUDIO_LEVEL_CHANGED, (id, lvl) => {
let newLvl = lvl;
if (this.isLocalId(id)
&& this.localAudio && this.localAudio.isMuted()) {
newLvl = 0;
}
if (config.debug) {
this.audioLevelsMap[id] = newLvl;
if (config.debugAudioLevels) {
logger.log(`AudioLevel:${id}/${newLvl}`);
}
}
APP.UI.setAudioLevel(id, newLvl);
});
room.on(JitsiConferenceEvents.TALK_WHILE_MUTED, () => {
APP.UI.showToolbar(6000);
});
room.on(
JitsiConferenceEvents.LAST_N_ENDPOINTS_CHANGED,
(leavingIds, enteringIds) =>
APP.UI.handleLastNEndpoints(leavingIds, enteringIds));
room.on(
JitsiConferenceEvents.P2P_STATUS,
(jitsiConference, p2p) =>
APP.store.dispatch(p2pStatusChanged(p2p)));
room.on(
JitsiConferenceEvents.PARTICIPANT_CONN_STATUS_CHANGED,
(id, connectionStatus) => {
APP.store.dispatch(participantConnectionStatusChanged(
id, connectionStatus));
APP.UI.participantConnectionStatusChanged(id);
});
room.on(
JitsiConferenceEvents.DOMINANT_SPEAKER_CHANGED,
id => APP.store.dispatch(dominantSpeakerChanged(id, room)));
if (!interfaceConfig.filmStripOnly) {
room.on(JitsiConferenceEvents.CONNECTION_INTERRUPTED, () => {
APP.UI.markVideoInterrupted(true);
});
room.on(JitsiConferenceEvents.CONNECTION_RESTORED, () => {
APP.UI.markVideoInterrupted(false);
});
if (isButtonEnabled('chat')) {
room.on(
JitsiConferenceEvents.MESSAGE_RECEIVED,
(id, body, ts) => {
let nick = getDisplayName(id);
if (!nick) {
nick = `${
interfaceConfig.DEFAULT_REMOTE_DISPLAY_NAME} (${
id})`;
}
APP.API.notifyReceivedChatMessage({
id,
nick,
body,
ts
});
APP.UI.addMessage(id, nick, body, ts);
}
);
APP.UI.addListener(UIEvents.MESSAGE_CREATED, message => {
APP.API.notifySendingChatMessage(message);
room.sendTextMessage(message);
});
}
APP.UI.addListener(UIEvents.SELECTED_ENDPOINT, id => {
APP.API.notifyOnStageParticipantChanged(id);
try {
// do not try to select participant if there is none (we
// are alone in the room), otherwise an error will be
// thrown cause reporting mechanism is not available
// (datachannels currently)
if (room.getParticipants().length === 0) {
return;
}
room.selectParticipant(id);
} catch (e) {
sendAnalytics(createSelectParticipantFailedEvent(e));
reportError(e);
}
});
}
room.on(JitsiConferenceEvents.CONNECTION_INTERRUPTED, () => {
APP.store.dispatch(localParticipantConnectionStatusChanged(
JitsiParticipantConnectionStatus.INTERRUPTED));
APP.UI.showLocalConnectionInterrupted(true);
});
room.on(JitsiConferenceEvents.CONNECTION_RESTORED, () => {
APP.store.dispatch(localParticipantConnectionStatusChanged(
JitsiParticipantConnectionStatus.ACTIVE));
APP.UI.showLocalConnectionInterrupted(false);
});
room.on(
JitsiConferenceEvents.DISPLAY_NAME_CHANGED,
(id, displayName) => {
const formattedDisplayName
= displayName.substr(0, MAX_DISPLAY_NAME_LENGTH);
APP.store.dispatch(participantUpdated({
conference: room,
id,
name: formattedDisplayName
}));
APP.API.notifyDisplayNameChanged(id, {
displayName: formattedDisplayName,
formattedDisplayName:
appendSuffix(
formattedDisplayName
|| interfaceConfig.DEFAULT_REMOTE_DISPLAY_NAME)
});
APP.UI.changeDisplayName(id, formattedDisplayName);
}
);
room.on(
JitsiConferenceEvents.LOCK_STATE_CHANGED,
(...args) => APP.store.dispatch(lockStateChanged(room, ...args)));
APP.remoteControl.on(RemoteControlEvents.ACTIVE_CHANGED, isActive => {
room.setLocalParticipantProperty(
'remoteControlSessionStatus',
isActive
);
APP.UI.setLocalRemoteControlActiveChanged();
});
/* eslint-disable max-params */
room.on(
JitsiConferenceEvents.PARTICIPANT_PROPERTY_CHANGED,
(participant, name, oldValue, newValue) => {
switch (name) {
case 'raisedHand':
APP.store.dispatch(participantUpdated({
conference: room,
id: participant.getId(),
raisedHand: newValue === 'true'
}));
break;
case 'remoteControlSessionStatus':
APP.UI.setRemoteControlActiveStatus(
participant.getId(),
newValue);
break;
default:
// ignore
}
});
/* eslint-enable max-params */
room.on(
JitsiConferenceEvents.RECORDER_STATE_CHANGED,
recorderSession => {
if (!recorderSession) {
logger.error(
'Received invalid recorder status update',
recorderSession);
return;
}
// These errors fire when the local participant has requested a
// recording but the request itself failed, hence the missing
// session ID because the recorder never started.
if (recorderSession.getError()) {
this._showRecordingErrorNotification(recorderSession);
return;
}
logger.error(
'Received a recorder status update with no ID or error');
});
room.on(JitsiConferenceEvents.KICKED, () => {
APP.UI.hideStats();
APP.UI.notifyKicked();
// FIXME close
});
room.on(JitsiConferenceEvents.SUSPEND_DETECTED, () => {
APP.store.dispatch(suspendDetected());
// After wake up, we will be in a state where conference is left
// there will be dialog shown to user.
// We do not want video/audio as we show an overlay and after it
// user need to rejoin or close, while waking up we can detect
// camera wakeup as a problem with device.
// We also do not care about device change, which happens
// on resume after suspending PC.
if (this.deviceChangeListener) {
JitsiMeetJS.mediaDevices.removeEventListener(
JitsiMediaDevicesEvents.DEVICE_LIST_CHANGED,
this.deviceChangeListener);
}
// stop local video
if (this.localVideo) {
this.localVideo.dispose();
this.localVideo = null;
}
// stop local audio
if (this.localAudio) {
this.localAudio.dispose();
this.localAudio = null;
}
});
APP.UI.addListener(UIEvents.AUDIO_MUTED, muted => {
this.muteAudio(muted);
});
APP.UI.addListener(UIEvents.VIDEO_MUTED, muted => {
this.muteVideo(muted);
});
room.addCommandListener(this.commands.defaults.ETHERPAD,
({ value }) => {
APP.UI.initEtherpad(value);
}
);
APP.UI.addListener(UIEvents.EMAIL_CHANGED, this.changeLocalEmail);
room.addCommandListener(this.commands.defaults.EMAIL, (data, from) => {
APP.store.dispatch(participantUpdated({
conference: room,
id: from,
email: data.value
}));
APP.UI.setUserEmail(from, data.value);
});
room.addCommandListener(
this.commands.defaults.AVATAR_URL,
(data, from) => {
APP.store.dispatch(
participantUpdated({
conference: room,
id: from,
avatarURL: data.value
}));
});
room.addCommandListener(this.commands.defaults.AVATAR_ID,
(data, from) => {
APP.store.dispatch(
participantUpdated({
conference: room,
id: from,
avatarID: data.value
}));
});
APP.UI.addListener(UIEvents.NICKNAME_CHANGED,
this.changeLocalDisplayName.bind(this));
room.on(
JitsiConferenceEvents.START_MUTED_POLICY_CHANGED,
({ audio, video }) => {
APP.store.dispatch(
onStartMutedPolicyChanged(audio, video));
}
);
room.on(JitsiConferenceEvents.STARTED_MUTED, () => {
(room.isStartAudioMuted() || room.isStartVideoMuted())
&& APP.UI.notifyInitiallyMuted();
});
room.on(
JitsiConferenceEvents.AVAILABLE_DEVICES_CHANGED,
(id, devices) => {
APP.UI.updateDevicesAvailability(id, devices);
}
);
room.on(
JitsiConferenceEvents.DATA_CHANNEL_OPENED, () => {
APP.store.dispatch(dataChannelOpened());
}
);
// call hangup
APP.UI.addListener(UIEvents.HANGUP, () => {
this.hangup(true);
});
// logout
APP.UI.addListener(UIEvents.LOGOUT, () => {
AuthHandler.logout(room).then(url => {
if (url) {
UIUtil.redirect(url);
} else {
this.hangup(true);
}
});
});
/* eslint-disable max-params */
APP.UI.addListener(
UIEvents.RESOLUTION_CHANGED,
(id, oldResolution, newResolution, delay) => {
sendAnalytics(createStreamSwitchDelayEvent(
{
'old_resolution': oldResolution,
'new_resolution': newResolution,
value: delay
}));
});
APP.UI.addListener(UIEvents.AUTH_CLICKED, () => {
AuthHandler.authenticate(room);
});
APP.UI.addListener(
UIEvents.VIDEO_DEVICE_CHANGED,
cameraDeviceId => {
const videoWasMuted = this.isLocalVideoMuted();
sendAnalytics(createDeviceChangedEvent('video', 'input'));
createLocalTracksF({
devices: [ 'video' ],
cameraDeviceId,
micDeviceId: null
})
.then(([ stream ]) => {
// if we are in audio only mode or video was muted before
// changing device, then mute
if (this.isAudioOnly() || videoWasMuted) {
return stream.mute()
.then(() => stream);
}
return stream;
})
.then(stream => {
// if we are screen sharing we do not want to stop it
if (this.isSharingScreen) {
return Promise.resolve();
}
return this.useVideoStream(stream);
})
.then(() => {
logger.log('switched local video device');
APP.store.dispatch(updateSettings({
cameraDeviceId
}));
})
.catch(err => {
APP.UI.showCameraErrorNotification(err);
});
}
);
APP.UI.addListener(
UIEvents.AUDIO_DEVICE_CHANGED,
micDeviceId => {
const audioWasMuted = this.isLocalAudioMuted();
sendAnalytics(createDeviceChangedEvent('audio', 'input'));
createLocalTracksF({
devices: [ 'audio' ],
cameraDeviceId: null,
micDeviceId
})
.then(([ stream ]) => {
// if audio was muted before changing the device, mute
// with the new device
if (audioWasMuted) {
return stream.mute()
.then(() => stream);
}
return stream;
})
.then(stream => {
this.useAudioStream(stream);
logger.log('switched local audio device');
APP.store.dispatch(updateSettings({
micDeviceId
}));
})
.catch(err => {
APP.UI.showMicErrorNotification(err);
});
}
);
APP.UI.addListener(
UIEvents.AUDIO_OUTPUT_DEVICE_CHANGED,
audioOutputDeviceId => {
sendAnalytics(createDeviceChangedEvent('audio', 'output'));
setAudioOutputDeviceId(audioOutputDeviceId)
.then(() => logger.log('changed audio output device'))
.catch(err => {
logger.warn('Failed to change audio output device. '
+ 'Default or previously set audio output device '
+ 'will be used instead.', err);
});
}
);
APP.UI.addListener(UIEvents.TOGGLE_AUDIO_ONLY, audioOnly => {
// FIXME On web video track is stored both in redux and in
// 'localVideo' field, video is attempted to be unmuted twice when
// turning off the audio only mode. This will crash the app with
// 'unmute operation is already in progress'.
// Because there's no logic in redux about creating new track in
// case unmute when not track exists the things have to go through
// muteVideo logic in such case.
const tracks = APP.store.getState()['features/base/tracks'];
const isTrackInRedux
= Boolean(
tracks.find(
track => track.jitsiTrack
&& track.jitsiTrack.getType() === 'video'));
if (!isTrackInRedux) {
this.muteVideo(audioOnly);
}
// Immediately update the UI by having remote videos and the large
// video update themselves instead of waiting for some other event
// to cause the update, usually PARTICIPANT_CONN_STATUS_CHANGED.
// There is no guarantee another event will trigger the update
// immediately and in all situations, for example because a remote
// participant is having connection trouble so no status changes.
APP.UI.updateAllVideos();
});
APP.UI.addListener(
UIEvents.TOGGLE_SCREENSHARING, this.toggleScreenSharing.bind(this)
);
/* eslint-disable max-params */
APP.UI.addListener(
UIEvents.UPDATE_SHARED_VIDEO,
(url, state, time, isMuted, volume) => {
/* eslint-enable max-params */
// send start and stop commands once, and remove any updates
// that had left
if (state === 'stop'
|| state === 'start'
|| state === 'playing') {
room.removeCommand(this.commands.defaults.SHARED_VIDEO);
room.sendCommandOnce(this.commands.defaults.SHARED_VIDEO, {
value: url,
attributes: {
state,
time,
muted: isMuted,
volume
}
});
} else {
// in case of paused, in order to allow late users to join
// paused
room.removeCommand(this.commands.defaults.SHARED_VIDEO);
room.sendCommand(this.commands.defaults.SHARED_VIDEO, {
value: url,
attributes: {
state,
time,
muted: isMuted,
volume
}
});
}
APP.store.dispatch(setSharedVideoStatus(state));
});
room.addCommandListener(
this.commands.defaults.SHARED_VIDEO,
({ value, attributes }, id) => {
if (attributes.state === 'stop') {
APP.UI.onSharedVideoStop(id, attributes);
} else if (attributes.state === 'start') {
APP.UI.onSharedVideoStart(id, value, attributes);
} else if (attributes.state === 'playing'
|| attributes.state === 'pause') {
APP.UI.onSharedVideoUpdate(id, value, attributes);
}
});
},
/**
* Callback invoked when the conference has been successfully joined.
* Initializes the UI and various other features.
*
* @private
* @returns {void}
*/
_onConferenceJoined() {
if (APP.logCollector) {
// Start the LogCollector's periodic "store logs" task
APP.logCollector.start();
APP.logCollectorStarted = true;
// Make an attempt to flush in case a lot of logs have been
// cached, before the collector was started.
APP.logCollector.flush();
// This event listener will flush the logs, before
// the statistics module (CallStats) is stopped.
//
// NOTE The LogCollector is not stopped, because this event can
// be triggered multiple times during single conference
// (whenever statistics module is stopped). That includes
// the case when Jicofo terminates the single person left in the
// room. It will then restart the media session when someone
// eventually join the room which will start the stats again.
APP.conference.addConferenceListener(
JitsiConferenceEvents.BEFORE_STATISTICS_DISPOSED,
() => {
if (APP.logCollector) {
APP.logCollector.flush();
}
}
);
}
APP.UI.initConference();
APP.keyboardshortcut.init();
if (config.requireDisplayName
&& !APP.conference.getLocalDisplayName()) {
APP.UI.promptDisplayName();
}
APP.store.dispatch(conferenceJoined(room));
APP.UI.mucJoined();
const displayName
= APP.store.getState()['features/base/settings'].displayName;
APP.API.notifyConferenceJoined(
this.roomName,
this._room.myUserId(),
{
displayName,
formattedDisplayName: appendSuffix(
displayName,
interfaceConfig.DEFAULT_LOCAL_DISPLAY_NAME),
avatarURL: getAvatarURLByParticipantId(
APP.store.getState(), this._room.myUserId())
}
);
APP.UI.markVideoInterrupted(false);
},
/**
* Adds any room listener.
* @param {string} eventName one of the JitsiConferenceEvents
* @param {Function} listener the function to be called when the event
* occurs
*/
addConferenceListener(eventName, listener) {
room.on(eventName, listener);
},
/**
* Removes any room listener.
* @param {string} eventName one of the JitsiConferenceEvents
* @param {Function} listener the listener to be removed.
*/
removeConferenceListener(eventName, listener) {
room.off(eventName, listener);
},
/**
* Inits list of current devices and event listener for device change.
* @private
*/
_initDeviceList() {
JitsiMeetJS.mediaDevices.isDeviceListAvailable()
.then(isDeviceListAvailable => {
if (isDeviceListAvailable
&& JitsiMeetJS.mediaDevices.isDeviceChangeAvailable()) {
JitsiMeetJS.mediaDevices.enumerateDevices(devices => {
// Ugly way to synchronize real device IDs with local
// storage and settings menu. This is a workaround until
// getConstraints() method will be implemented
// in browsers.
const { dispatch } = APP.store;
if (this.localAudio) {
dispatch(updateSettings({
micDeviceId: this.localAudio.getDeviceId()
}));
}
if (this.localVideo) {
dispatch(updateSettings({
cameraDeviceId: this.localVideo.getDeviceId()
}));
}
mediaDeviceHelper.setCurrentMediaDevices(devices);
APP.UI.onAvailableDevicesChanged(devices);
APP.store.dispatch(updateDeviceList(devices));
});
this.deviceChangeListener = devices =>
window.setTimeout(
() => this._onDeviceListChanged(devices), 0);
JitsiMeetJS.mediaDevices.addEventListener(
JitsiMediaDevicesEvents.DEVICE_LIST_CHANGED,
this.deviceChangeListener);
}
})
.catch(error => {
logger.warn(`Error getting device list: ${error}`);
});
},
/**
* Event listener for JitsiMediaDevicesEvents.DEVICE_LIST_CHANGED to
* handle change of available media devices.
* @private
* @param {MediaDeviceInfo[]} devices
* @returns {Promise}
*/
_onDeviceListChanged(devices) {
let currentDevices = mediaDeviceHelper.getCurrentMediaDevices();
// Event handler can be fired before direct
// enumerateDevices() call, so handle this situation here.
if (!currentDevices.audioinput
&& !currentDevices.videoinput
&& !currentDevices.audiooutput) {
mediaDeviceHelper.setCurrentMediaDevices(devices);
currentDevices = mediaDeviceHelper.getCurrentMediaDevices();
}
const newDevices
= mediaDeviceHelper.getNewMediaDevicesAfterDeviceListChanged(
devices,
this.isSharingScreen,
this.localVideo,
this.localAudio);
const promises = [];
const audioWasMuted = this.isLocalAudioMuted();
const videoWasMuted = this.isLocalVideoMuted();
if (typeof newDevices.audiooutput !== 'undefined') {
// Just ignore any errors in catch block.
promises.push(setAudioOutputDeviceId(newDevices.audiooutput)
.catch());
}
promises.push(
mediaDeviceHelper.createLocalTracksAfterDeviceListChanged(
createLocalTracksF,
newDevices.videoinput,
newDevices.audioinput)
.then(tracks =>
Promise.all(this._setLocalAudioVideoStreams(tracks)))
.then(() => {
// If audio was muted before, or we unplugged current device
// and selected new one, then mute new audio track.
if (audioWasMuted) {
sendAnalytics(createTrackMutedEvent(
'audio',
'device list changed'));
logger.log('Audio mute: device list changed');
muteLocalAudio(true);
}
// If video was muted before, or we unplugged current device
// and selected new one, then mute new video track.
if (!this.isSharingScreen && videoWasMuted) {
sendAnalytics(createTrackMutedEvent(
'video',
'device list changed'));
logger.log('Video mute: device list changed');
muteLocalVideo(true);
}
}));
return Promise.all(promises)
.then(() => {
mediaDeviceHelper.setCurrentMediaDevices(devices);
APP.UI.onAvailableDevicesChanged(devices);
});
},
/**
* Determines whether or not the audio button should be enabled.
*/
updateAudioIconEnabled() {
const audioMediaDevices
= mediaDeviceHelper.getCurrentMediaDevices().audioinput;
const audioDeviceCount
= audioMediaDevices ? audioMediaDevices.length : 0;
// The audio functionality is considered available if there are any
// audio devices detected or if the local audio stream already exists.
const available = audioDeviceCount > 0 || Boolean(this.localAudio);
logger.debug(
`Microphone button enabled: ${available}`,
`local audio: ${this.localAudio}`,
`audio devices: ${audioMediaDevices}`,
`device count: ${audioDeviceCount}`);
APP.store.dispatch(setAudioAvailable(available));
APP.API.notifyAudioAvailabilityChanged(available);
},
/**
* Determines whether or not the video button should be enabled.
*/
updateVideoIconEnabled() {
const videoMediaDevices
= mediaDeviceHelper.getCurrentMediaDevices().videoinput;
const videoDeviceCount
= videoMediaDevices ? videoMediaDevices.length : 0;
// The video functionality is considered available if there are any
// video devices detected or if there is local video stream already
// active which could be either screensharing stream or a video track
// created before the permissions were rejected (through browser
// config).
const available = videoDeviceCount > 0 || Boolean(this.localVideo);
logger.debug(
`Camera button enabled: ${available}`,
`local video: ${this.localVideo}`,
`video devices: ${videoMediaDevices}`,
`device count: ${videoDeviceCount}`);
APP.store.dispatch(setVideoAvailable(available));
APP.API.notifyVideoAvailabilityChanged(available);
},
/**
* Disconnect from the conference and optionally request user feedback.
* @param {boolean} [requestFeedback=false] if user feedback should be
* requested
*/
hangup(requestFeedback = false) {
eventEmitter.emit(JitsiMeetConferenceEvents.BEFORE_HANGUP);
APP.UI.removeLocalMedia();
// Remove unnecessary event listeners from firing callbacks.
JitsiMeetJS.mediaDevices.removeEventListener(
JitsiMediaDevicesEvents.DEVICE_LIST_CHANGED,
this.deviceChangeListener);
let requestFeedbackPromise;
if (requestFeedback) {
requestFeedbackPromise
= APP.store.dispatch(maybeOpenFeedbackDialog(room))
// false because the thank you dialog shouldn't be displayed
.catch(() => Promise.resolve(false));
} else {
requestFeedbackPromise = Promise.resolve(true);
}
// All promises are returning Promise.resolve to make Promise.all to
// be resolved when both Promises are finished. Otherwise Promise.all
// will reject on first rejected Promise and we can redirect the page
// before all operations are done.
Promise.all([
requestFeedbackPromise,
room.leave().then(disconnect, disconnect)
]).then(values => {
APP.API.notifyReadyToClose();
maybeRedirectToWelcomePage(values[0]);
});
},
/**
* Changes the email for the local user
* @param email {string} the new email
*/
changeLocalEmail(email = '') {
const localParticipant = getLocalParticipant(APP.store.getState());
const formattedEmail = String(email).trim();
if (formattedEmail === localParticipant.email) {
return;
}
const localId = localParticipant.id;
APP.store.dispatch(participantUpdated({
// XXX Only the local participant is allowed to update without
// stating the JitsiConference instance (i.e. participant property
// `conference` for a remote participant) because the local
// participant is uniquely identified by the very fact that there is
// only one local participant.
id: localId,
local: true,
email: formattedEmail
}));
APP.store.dispatch(updateSettings({
email: formattedEmail
}));
APP.UI.setUserEmail(localId, formattedEmail);
sendData(commands.EMAIL, formattedEmail);
},
/**
* Changes the avatar url for the local user
* @param url {string} the new url
*/
changeLocalAvatarUrl(url = '') {
const { avatarURL, id } = getLocalParticipant(APP.store.getState());
const formattedUrl = String(url).trim();
if (formattedUrl === avatarURL) {
return;
}
APP.store.dispatch(participantUpdated({
// XXX Only the local participant is allowed to update without
// stating the JitsiConference instance (i.e. participant property
// `conference` for a remote participant) because the local
// participant is uniquely identified by the very fact that there is
// only one local participant.
id,
local: true,
avatarURL: formattedUrl
}));
APP.store.dispatch(updateSettings({
avatarURL: formattedUrl
}));
sendData(commands.AVATAR_URL, url);
},
/**
* Sends a message via the data channel.
* @param {string} to the id of the endpoint that should receive the
* message. If "" - the message will be sent to all participants.
* @param {object} payload the payload of the message.
* @throws NetworkError or InvalidStateError or Error if the operation
* fails.
*/
sendEndpointMessage(to, payload) {
room.sendEndpointMessage(to, payload);
},
/**
* Adds new listener.
* @param {String} eventName the name of the event
* @param {Function} listener the listener.
*/
addListener(eventName, listener) {
eventEmitter.addListener(eventName, listener);
},
/**
* Removes listener.
* @param {String} eventName the name of the event that triggers the
* listener
* @param {Function} listener the listener.
*/
removeListener(eventName, listener) {
eventEmitter.removeListener(eventName, listener);
},
/**
* Changes the display name for the local user
* @param nickname {string} the new display name
*/
changeLocalDisplayName(nickname = '') {
const formattedNickname
= nickname.trim().substr(0, MAX_DISPLAY_NAME_LENGTH);
const { id, name } = getLocalParticipant(APP.store.getState());
if (formattedNickname === name) {
return;
}
APP.store.dispatch(participantUpdated({
// XXX Only the local participant is allowed to update without
// stating the JitsiConference instance (i.e. participant property
// `conference` for a remote participant) because the local
// participant is uniquely identified by the very fact that there is
// only one local participant.
id,
local: true,
name: formattedNickname
}));
APP.store.dispatch(updateSettings({
displayName: formattedNickname
}));
APP.API.notifyDisplayNameChanged(id, {
displayName: formattedNickname,
formattedDisplayName:
appendSuffix(
formattedNickname,
interfaceConfig.DEFAULT_LOCAL_DISPLAY_NAME)
});
if (room) {
room.setDisplayName(formattedNickname);
APP.UI.changeDisplayName(id, formattedNickname);
}
},
/**
* Returns the desktop sharing source id or undefined if the desktop sharing
* is not active at the moment.
*
* @returns {string|undefined} - The source id. If the track is not desktop
* track or the source id is not available, undefined will be returned.
*/
getDesktopSharingSourceId() {
return this.localVideo.sourceId;
},
/**
* Returns the desktop sharing source type or undefined if the desktop
* sharing is not active at the moment.
*
* @returns {'screen'|'window'|undefined} - The source type. If the track is
* not desktop track or the source type is not available, undefined will be
* returned.
*/
getDesktopSharingSourceType() {
return this.localVideo.sourceType;
},
/**
* Sets the video muted status.
*
* @param {boolean} muted - New muted status.
*/
setVideoMuteStatus(muted) {
APP.UI.setVideoMuted(this.getMyUserId(), muted);
APP.API.notifyVideoMutedStatusChanged(muted);
},
/**
* Sets the audio muted status.
*
* @param {boolean} muted - New muted status.
*/
setAudioMuteStatus(muted) {
APP.UI.setAudioMuted(this.getMyUserId(), muted);
APP.API.notifyAudioMutedStatusChanged(muted);
},
/**
* Dispatches the passed in feedback for submission. The submitted score
* should be a number inclusively between 1 through 5, or -1 for no score.
*
* @param {number} score - a number between 1 and 5 (inclusive) or -1 for no
* score.
* @param {string} message - An optional message to attach to the feedback
* in addition to the score.
* @returns {void}
*/
submitFeedback(score = -1, message = '') {
if (score === -1 || (score >= 1 && score <= 5)) {
APP.store.dispatch(submitFeedback(score, message, room));
}
},
/**
* Shows a notification about an error in the recording session. A
* default notification will display if no error is specified in the passed
* in recording session.
*
* @param {Object} recorderSession - The recorder session model from the
* lib.
* @private
* @returns {void}
*/
_showRecordingErrorNotification(recorderSession) {
const isStreamMode
= recorderSession.getMode()
=== JitsiMeetJS.constants.recording.mode.STREAM;
switch (recorderSession.getError()) {
case JitsiMeetJS.constants.recording.error.SERVICE_UNAVAILABLE:
APP.UI.messageHandler.showError({
descriptionKey: 'recording.unavailable',
descriptionArguments: {
serviceName: isStreamMode
? 'Live Streaming service'
: 'Recording service'
},
titleKey: isStreamMode
? 'liveStreaming.unavailableTitle'
: 'recording.unavailableTitle'
});
break;
case JitsiMeetJS.constants.recording.error.RESOURCE_CONSTRAINT:
APP.UI.messageHandler.showError({
descriptionKey: isStreamMode
? 'liveStreaming.busy'
: 'recording.busy',
titleKey: isStreamMode
? 'liveStreaming.busyTitle'
: 'recording.busyTitle'
});
break;
default:
APP.UI.messageHandler.showError({
descriptionKey: isStreamMode
? 'liveStreaming.error'
: 'recording.error',
titleKey: isStreamMode
? 'liveStreaming.failedToStart'
: 'recording.failedToStart'
});
break;
}
}
};