jiti-meet/conference.js

2279 lines
79 KiB
JavaScript

/* global $, APP, JitsiMeetJS, config, interfaceConfig */
const logger = require("jitsi-meet-logger").getLogger(__filename);
import {openConnection} from './connection';
import ContactList from './modules/UI/side_pannels/contactlist/ContactList';
import AuthHandler from './modules/UI/authentication/AuthHandler';
import Recorder from './modules/recorder/Recorder';
import mediaDeviceHelper from './modules/devices/mediaDeviceHelper';
import { reload, reportError } from './modules/util/helpers';
import UIEvents from './service/UI/UIEvents';
import UIUtil from './modules/UI/util/UIUtil';
import * as JitsiMeetConferenceEvents from './ConferenceEvents';
import analytics from './modules/analytics/analytics';
import EventEmitter from "events";
import { getLocationContextRoot } from './react/features/app';
import {
AVATAR_ID_COMMAND,
AVATAR_URL_COMMAND,
conferenceFailed,
conferenceJoined,
conferenceLeft,
EMAIL_COMMAND,
lockStateChanged
} from './react/features/base/conference';
import {
updateDeviceList
} from './react/features/base/devices';
import {
isFatalJitsiConnectionError
} from './react/features/base/lib-jitsi-meet';
import {
setVideoAvailable
} from './react/features/base/media';
import {
localParticipantRoleChanged,
MAX_DISPLAY_NAME_LENGTH,
participantJoined,
participantLeft,
participantRoleChanged,
participantUpdated
} from './react/features/base/participants';
import {
replaceLocalTrack,
trackAdded,
trackRemoved
} from './react/features/base/tracks';
import {
showDesktopPicker
} from './react/features/desktop-picker';
import {
mediaPermissionPromptVisibilityChanged,
suspendDetected
} from './react/features/overlay';
import { showDesktopSharingButton } from './react/features/toolbox';
const ConnectionEvents = JitsiMeetJS.events.connection;
const ConnectionErrors = JitsiMeetJS.errors.connection;
const ConferenceEvents = JitsiMeetJS.events.conference;
const ConferenceErrors = JitsiMeetJS.errors.conference;
const TrackEvents = JitsiMeetJS.events.track;
const TrackErrors = JitsiMeetJS.errors.track;
const ConnectionQualityEvents = JitsiMeetJS.events.connectionQuality;
const eventEmitter = new EventEmitter();
let room;
let connection;
let localAudio, localVideo;
let initialAudioMutedState = false, initialVideoMutedState = false;
/**
* Indicates whether extension external installation is in progress or not.
*/
let DSExternalInstallationInProgress = false;
import {VIDEO_CONTAINER_TYPE} from "./modules/UI/videolayout/VideoContainer";
/*
* 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: roomName})
.catch(function (err) {
if (err === ConnectionErrors.PASSWORD_REQUIRED) {
APP.UI.notifyTokenAuthFailed();
} else {
APP.UI.notifyConnectionFailed(err);
}
throw err;
});
}
/**
* Creates local media tracks and connects to room. Will show error
* dialogs in case if accessing 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
* @returns {Promise.<JitsiLocalTrack[], JitsiConnection>}
*/
function createInitialLocalTracksAndConnect(roomName) {
let audioAndVideoError,
audioOnlyError,
videoOnlyError;
JitsiMeetJS.mediaDevices.addEventListener(
JitsiMeetJS.events.mediaDevices.PERMISSION_PROMPT_IS_SHOWN,
browser =>
APP.store.dispatch(
mediaPermissionPromptVisibilityChanged(true, browser))
);
// First try to retrieve both audio and video.
let tryCreateLocalTracks = createLocalTracks(
{ devices: ['audio', 'video'] }, true)
.catch(err => {
// If failed then try to retrieve only audio.
audioAndVideoError = err;
return createLocalTracks({ devices: ['audio'] }, true);
})
.catch(err => {
audioOnlyError = err;
// Try video only...
return createLocalTracks({ devices: ['video'] }, true);
})
.catch(err => {
videoOnlyError = err;
return [];
});
return Promise.all([ tryCreateLocalTracks, connect(roomName) ])
.then(([tracks, con]) => {
APP.store.dispatch(mediaPermissionPromptVisibilityChanged(false));
if (audioAndVideoError) {
if (audioOnlyError) {
// If both requests for 'audio' + 'video' and 'audio' only
// failed, we assume that there is some problems with user's
// microphone and show corresponding dialog.
APP.UI.showDeviceErrorDialog(
audioOnlyError, 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.showDeviceErrorDialog(null, audioAndVideoError);
}
}
return [tracks, con];
});
}
/**
* 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: value});
}
/**
* Sets up initially the properties of the local participant - email, avatarID,
* avatarURL, displayName, etc.
*/
function _setupLocalParticipantProperties() {
const email = APP.settings.getEmail();
email && sendData(commands.EMAIL, email);
const avatarUrl = APP.settings.getAvatarUrl();
avatarUrl && sendData(commands.AVATAR_URL, avatarUrl);
if (!email && !avatarUrl) {
sendData(commands.AVATAR_ID, APP.settings.getAvatarId());
}
let nick = APP.settings.getDisplayName();
if (config.useNicks && !nick) {
nick = APP.UI.askForNickname();
APP.settings.setDisplayName(nick);
}
nick && room.setDisplayName(nick);
}
/**
* Get user nickname by user id.
* @param {string} id user id
* @returns {string?} user nickname or undefined if user is unknown.
*/
function getDisplayName(id) {
if (APP.conference.isLocalId(id)) {
return APP.settings.getDisplayName();
}
let participant = room.getParticipantById(id);
if (participant && participant.getDisplayName()) {
return participant.getDisplayName();
}
}
/**
* Mute or unmute local audio stream if it exists.
* @param {boolean} muted - if audio stream should be muted or unmuted.
* @param {boolean} userInteraction - indicates if this local audio mute was a
* result of user interaction
*/
function muteLocalAudio(muted) {
muteLocalMedia(localAudio, muted, 'Audio');
}
function muteLocalMedia(localMedia, muted, localMediaTypeString) {
if (!localMedia) {
return;
}
const method = muted ? 'mute' : 'unmute';
localMedia[method]().catch(reason => {
logger.warn(`${localMediaTypeString} ${method} was rejected:`, reason);
});
}
/**
* Mute or unmute local video stream if it exists.
* @param {boolean} muted if video stream should be muted or unmuted.
*/
function muteLocalVideo(muted) {
muteLocalMedia(localVideo, muted, 'Video');
}
/**
* 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.thankYouDialogVisible - 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/jwt'];
// save whether current user is guest or not, before navigating
// to close page
window.sessionStorage.setItem('guest', isGuest);
assignWindowLocationPathname('static/'
+ (options.feedbackSubmitted ? "close.html" : "close2.html"));
return;
}
// else: show thankYou dialog only if there is no feedback
if (options.thankYouDialogVisible)
APP.UI.messageHandler.openMessageDialog(
null, "dialog.thankYou", {appName:interfaceConfig.APP_NAME});
// if Welcome page is enabled redirect to welcome page after 3 sec.
if (config.enableWelcomePage) {
setTimeout(() => {
APP.settings.setWelcomePageEnabled(true);
assignWindowLocationPathname('./');
}, 3000);
}
}
/**
* 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 assignWindowLocationPathname(pathname) {
const windowLocation = window.location;
if (!pathname.startsWith('/')) {
// A pathname equal to ./ specifies the current directory. It will be
// fine but pointless to include it because contextRoot is the current
// directory.
pathname.startsWith('./') && (pathname = pathname.substring(2));
pathname = getLocationContextRoot(windowLocation) + pathname;
}
windowLocation.pathname = pathname;
}
/**
* Create local tracks of specified types.
* @param {Object} options
* @param {string[]} options.devices - required track types
* ('audio', 'video' etc.)
* @param {string|null} (options.cameraDeviceId) - camera device id, if
* undefined - one from settings will be used
* @param {string|null} (options.micDeviceId) - microphone device id, if
* undefined - one from settings will be used
* @param {boolean} (checkForPermissionPrompt) - if lib-jitsi-meet should check
* for gUM permission prompt
* @returns {Promise<JitsiLocalTrack[]>}
*/
function createLocalTracks(options, checkForPermissionPrompt) {
options || (options = {});
return JitsiMeetJS
.createLocalTracks({
// copy array to avoid mutations inside library
devices: options.devices.slice(0),
desktopSharingSources: options.desktopSharingSources,
resolution: config.resolution,
cameraDeviceId: typeof options.cameraDeviceId === 'undefined' ||
options.cameraDeviceId === null
? APP.settings.getCameraDeviceId()
: options.cameraDeviceId,
micDeviceId: typeof options.micDeviceId === 'undefined' ||
options.micDeviceId === null
? APP.settings.getMicDeviceId()
: options.micDeviceId,
// adds any ff fake device settings if any
firefox_fake_device: config.firefox_fake_device,
desktopSharingExtensionExternalInstallation:
options.desktopSharingExtensionExternalInstallation
}, checkForPermissionPrompt).then( (tracks) => {
tracks.forEach((track) => {
track.on(TrackEvents.NO_DATA_FROM_SOURCE,
APP.UI.showTrackNotWorkingDialog.bind(null, track));
});
return tracks;
}).catch(function (err) {
logger.error(
'failed to create local tracks', options.devices, err);
return Promise.reject(err);
});
}
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));
room.on(ConferenceEvents.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 ConferenceErrors.CONNECTION_ERROR:
{
let [msg] = params;
APP.UI.notifyConnectionFailed(msg);
}
break;
case ConferenceErrors.NOT_ALLOWED_ERROR:
{
// let's show some auth not allowed page
assignWindowLocationPathname('static/authError.html');
}
break;
// not enough rights to create conference
case ConferenceErrors.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 ConferenceErrors.RESERVATION_ERROR:
{
let [code, msg] = params;
APP.UI.notifyReservationError(code, msg);
}
break;
case ConferenceErrors.GRACEFUL_SHUTDOWN:
APP.UI.notifyGracefulShutdown();
break;
case ConferenceErrors.JINGLE_FATAL_ERROR:
APP.UI.notifyInternalError();
break;
case ConferenceErrors.CONFERENCE_DESTROYED:
{
let [reason] = params;
APP.UI.hideStats();
APP.UI.notifyConferenceDestroyed(reason);
}
break;
// FIXME FOCUS_DISCONNECTED is 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 ConferenceErrors.FOCUS_DISCONNECTED:
{
let [focus, retrySec] = params;
APP.UI.notifyFocusDisconnected(focus, retrySec);
}
break;
case ConferenceErrors.FOCUS_LEFT:
case ConferenceErrors.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 ConferenceErrors.CONFERENCE_MAX_USERS:
connection.disconnect();
APP.UI.notifyMaxUsersLimitReached();
break;
case ConferenceErrors.INCOMPATIBLE_SERVER_VERSIONS:
reload();
break;
default:
this._handleConferenceFailed(err, ...params);
}
}
_onConferenceError(err, ...params) {
logger.error('CONFERENCE Error:', err, params);
switch (err) {
case ConferenceErrors.CHAT_ERROR:
{
let [code, msg] = params;
APP.UI.showChatError(code, msg);
}
break;
default:
logger.error("Unknown error.", 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();
}
}
/**
* 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 {JitsiMeetJS.connection.error} error - The reported error.
* @returns {void}
* @private
*/
function _connectionFailedHandler(error) {
if (isFatalJitsiConnectionError(error)) {
APP.connection.removeEventListener(
ConnectionEvents.CONNECTION_FAILED,
_connectionFailedHandler);
if (room)
room.leave();
}
}
export default {
isModerator: false,
audioMuted: false,
videoMuted: false,
isSharingScreen: false,
isDesktopSharingEnabled: false,
/*
* Whether the local "raisedHand" flag is on.
*/
isHandRaised: false,
/*
* Whether the local participant is the dominant speaker in the conference.
*/
isDominantSpeaker: false,
/**
* Open new connection and join to the conference.
* @param {object} options
* @param {string} roomName name of the conference
* @returns {Promise}
*/
init(options) {
this.roomName = options.roomName;
// attaches global error handler, if there is already one, respect it
if(JitsiMeetJS.getGlobalOnErrorHandler){
var oldOnErrorHandler = window.onerror;
window.onerror = function (message, source, lineno, colno, error) {
JitsiMeetJS.getGlobalOnErrorHandler(
message, source, lineno, colno, error);
if(oldOnErrorHandler)
oldOnErrorHandler(message, source, lineno, colno, error);
};
var oldOnUnhandledRejection = window.onunhandledrejection;
window.onunhandledrejection = function(event) {
JitsiMeetJS.getGlobalOnErrorHandler(
null, null, null, null, event.reason);
if(oldOnUnhandledRejection)
oldOnUnhandledRejection(event);
};
}
return JitsiMeetJS.init(
Object.assign(
{enableAnalyticsLogging: analytics.isEnabled()}, config)
).then(() => {
analytics.init();
return createInitialLocalTracksAndConnect(options.roomName);
}).then(([tracks, con]) => {
tracks.forEach(track => {
if((track.isAudioTrack() && initialAudioMutedState)
|| (track.isVideoTrack() && initialVideoMutedState)) {
track.mute();
}
});
logger.log('initialized with %s local tracks', tracks.length);
con.addEventListener(
ConnectionEvents.CONNECTION_FAILED,
_connectionFailedHandler);
APP.connection = connection = con;
this.isDesktopSharingEnabled =
JitsiMeetJS.isDesktopSharingEnabled();
eventEmitter.emit(
JitsiMeetConferenceEvents.DESKTOP_SHARING_ENABLED_CHANGED,
this.isDesktopSharingEnabled);
APP.store.dispatch(showDesktopSharingButton());
this._createRoom(tracks);
APP.remoteControl.init();
if (UIUtil.isButtonEnabled('contacts')
&& !interfaceConfig.filmStripOnly) {
APP.UI.ContactList = new ContactList(room);
}
// if user didn't give access to mic or camera or doesn't have
// them at all, we disable corresponding toolbar buttons
if (!tracks.find((t) => t.isAudioTrack())) {
APP.UI.setMicrophoneButtonEnabled(false);
}
if (!tracks.find((t) => t.isVideoTrack())) {
// Instead of disabling the button we want to show button
// muted, so that the user can have the opportunity to add
// the video later on, even if joined without it.
this.videoMuted = true;
APP.UI.setVideoMuted(this.getMyUserId(), this.videoMuted);
// FIXME this is a workaround for the situation where
// both audio and video permissions are rejected initially
// and the callback from _initDeviceList will never be
// executed (GUM not initialized - check lib-jitsi-meet).
// The goal here is to disable the video icon in case no
// video permissions were granted.
this.updateVideoIconEnabled();
}
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;
},
/**
* Simulates toolbar button click for audio mute. Used by shortcuts and API.
* @param mute true for mute and false for unmute.
*/
muteAudio(mute) {
muteLocalAudio(mute);
},
/**
* Returns whether local audio is muted or not.
* @returns {boolean}
*/
isLocalAudioMuted() {
return this.audioMuted;
},
/**
* Simulates toolbar button click for audio mute. Used by shortcuts
* and API.
* @param {boolean} force - If the track is not created, the operation
* will be executed after the track is created. Otherwise the operation
* will be ignored.
*/
toggleAudioMuted(force = false) {
if(!localAudio && force) {
initialAudioMutedState = !initialAudioMutedState;
return;
}
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) {
muteLocalVideo(mute);
},
/**
* Simulates toolbar button click for video mute. Used by shortcuts and API.
* @param {boolean} force - If the track is not created, the operation
* will be executed after the track is created. Otherwise the operation
* will be ignored.
*/
toggleVideoMuted(force = false) {
if(!localVideo && force) {
initialVideoMutedState = !initialVideoMutedState;
return;
}
this.muteVideo(!this.videoMuted);
},
/**
* 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) {
let user = room.getParticipantById(id);
return user && user.isModerator();
},
/**
* Check if SIP is supported.
* @returns {boolean}
*/
sipGatewayEnabled() {
return room.isSIPCallingSupported();
},
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();
},
/**
* 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) {
let 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) {
let displayName = getDisplayName(id);
if (displayName) {
return displayName;
} else {
if (APP.conference.isLocalId(id)) {
return APP.translation.generateTranslationHTML(
interfaceConfig.DEFAULT_LOCAL_DISPLAY_NAME);
} else {
return interfaceConfig.DEFAULT_REMOTE_DISPLAY_NAME;
}
}
},
getMyUserId() {
return this._room
&& this._room.myUserId();
},
/**
* Indicates if recording is supported in this conference.
*/
isRecordingSupported() {
return this._room && this._room.isRecordingSupported();
},
/**
* Returns the recording state or undefined if the room is not defined.
*/
getRecordingState() {
return (this._room) ? this._room.getRecordingState() : undefined;
},
/**
* 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
let logs = APP.conference.getLogs();
let data = encodeURIComponent(JSON.stringify(logs, null, ' '));
let 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 () {
room.addCommandListener.apply(room, arguments);
},
/**
* Removes command.
* @param name {String} the name of the command.
*/
removeCommand () {
room.removeCommand.apply(room, arguments);
},
/**
* Sends command.
* @param name {String} the name of the command.
* @param values {Object} with keys and values that will be sent.
*/
sendCommand () {
room.sendCommand.apply(room, 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 () {
room.sendCommandOnce.apply(room, arguments);
}
},
_createRoom (localTracks) {
room = connection.initJitsiConference(APP.conference.roomName,
this._getConferenceOptions());
this._setLocalAudioVideoStreams(localTracks);
this._room = room; // FIXME do not use this
_setupLocalParticipantProperties();
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);
} else {
logger.error(
"Ignored not an audio nor a video track: ", track);
return Promise.resolve();
}
});
},
_getConferenceOptions() {
let options = config;
if(config.enableRecording && !config.recordingType) {
options.recordingType = (config.hosts &&
(typeof config.hosts.jirecon != "undefined"))?
"jirecon" : "colibri";
}
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(localVideo, newStream, room))
.then(() => {
localVideo = newStream;
if (newStream) {
this.videoMuted = newStream.isMuted();
this.isSharingScreen = newStream.videoType === 'desktop';
APP.UI.addLocalStream(newStream);
} else {
// No video is treated the same way as being video muted
this.videoMuted = true;
this.isSharingScreen = false;
}
APP.UI.setVideoMuted(this.getMyUserId(), this.videoMuted);
this.updateVideoIconEnabled();
APP.UI.updateDesktopSharingButtons();
});
},
/**
* 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(localAudio, newStream, room))
.then(() => {
localAudio = newStream;
if (newStream) {
this.audioMuted = newStream.isMuted();
APP.UI.addLocalStream(newStream);
} else {
this.audioMuted = false;
}
APP.UI.setMicrophoneButtonEnabled(true);
APP.UI.setAudioMuted(this.getMyUserId(), this.audioMuted);
});
},
/**
* Triggers a tooltip to display when a feature was attempted to be used
* while in audio only mode.
*
* @param {string} featureName - The name of the feature that attempted to
* toggle.
* @private
* @returns {void}
*/
_displayAudioOnlyTooltip(featureName) {
let tooltipElementId = null;
switch (featureName) {
case 'screenShare':
tooltipElementId = '#screenshareWhileAudioOnly';
break;
case 'videoMute':
tooltipElementId = '#unmuteWhileAudioOnly';
break;
}
if (tooltipElementId) {
APP.UI.showToolbar(6000);
APP.UI.showCustomToolbarPopup(
tooltipElementId, true, 5000);
}
},
/**
* 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;
APP.remoteControl.receiver.stop();
let promise = null;
if (didHaveVideo) {
promise = createLocalTracks({ devices: ['video'] })
.then(([stream]) => this.useVideoStream(stream))
.then(() => {
JitsiMeetJS.analytics.sendEvent(
'conference.sharingDesktop.stop');
logger.log('switched back to local video');
if (!localVideo && wasVideoMuted) {
return Promise.reject('No local video to be muted!');
} else if (wasVideoMuted && localVideo) {
return 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
return Promise.reject(error);
});
});
} else {
promise = this.useVideoStream(null);
}
return promise.then(
() => {
this.videoSwitchInProgress = false;
},
error => {
this.videoSwitchInProgress = false;
throw error;
});
},
/**
* Toggles between screensharing and camera video.
* @param {boolean} [shareScreen]
* @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(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()) {
this._displayAudioOnlyTooltip('screenShare');
return Promise.reject('No screensharing in audio only mode');
}
if (!this._untoggleScreenSharing) {
this.videoSwitchInProgress = true;
let externalInstallation = false;
const didHaveVideo = Boolean(localVideo);
const wasVideoMuted = this.videoMuted;
return createLocalTracks({
desktopSharingSources: options.desktopSharingSources,
devices: ['desktop'],
desktopSharingExtensionExternalInstallation: {
interval: 500,
checkAgain: () => {
return DSExternalInstallationInProgress;
},
listener: (status, url) => {
switch(status) {
case "waitingForExtension":
DSExternalInstallationInProgress = true;
externalInstallation = true;
APP.UI.showExtensionExternalInstallationDialog(
url);
break;
case "extensionFound":
if(externalInstallation) //close the dialog
$.prompt.close();
break;
default:
//Unknown status
}
}
}
}).then(([stream]) => {
// 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);
DSExternalInstallationInProgress = false;
// close external installation dialog on success.
if(externalInstallation)
$.prompt.close();
stream.on(
TrackEvents.LOCAL_TRACK_STOPPED,
() => {
// If the stream was stopped during screen sharing
// session then we should switch back to video.
if (this.isSharingScreen){
this._untoggleScreenSharing
&& this._untoggleScreenSharing();
}
}
);
return this.useVideoStream(stream);
}).then(() => {
this.videoSwitchInProgress = false;
JitsiMeetJS.analytics.sendEvent(
'conference.sharingDesktop.start');
logger.log('sharing local desktop');
}).catch(err => {
// close external installation dialog to show the error.
if(externalInstallation)
$.prompt.close();
this.videoSwitchInProgress = false;
if (err.name === TrackErrors.CHROME_EXTENSION_USER_CANCELED) {
return Promise.reject(err);
}
// 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();
}
logger.error('failed to share local desktop', err);
if (err.name === TrackErrors.FIREFOX_EXTENSION_NEEDED) {
APP.UI.showExtensionRequiredDialog(
config.desktopSharingFirefoxExtensionURL
);
return Promise.reject(err);
}
// Handling:
// TrackErrors.PERMISSION_DENIED
// TrackErrors.CHROME_EXTENSION_INSTALLATION_ERROR
// TrackErrors.GENERAL
// and any other
let dialogTxt;
let dialogTitleKey;
if (err.name === TrackErrors.PERMISSION_DENIED) {
dialogTxt = APP.translation.generateTranslationHTML(
"dialog.screenSharingPermissionDeniedError");
dialogTitleKey = "dialog.error";
} else {
dialogTxt = APP.translation.generateTranslationHTML(
"dialog.failtoinstall");
dialogTitleKey = "dialog.permissionDenied";
}
APP.UI.messageHandler.openDialog(
dialogTitleKey, dialogTxt, false);
});
} else {
return this._untoggleScreenSharing();
}
},
/**
* Setup interaction between conference and UI.
*/
_setupListeners() {
// add local streams when joined to the conference
room.on(ConferenceEvents.CONFERENCE_JOINED, () => {
APP.store.dispatch(conferenceJoined(room));
APP.UI.mucJoined();
APP.API.notifyConferenceJoined(APP.conference.roomName);
APP.UI.markVideoInterrupted(false);
});
room.on(
ConferenceEvents.CONFERENCE_LEFT,
(...args) => APP.store.dispatch(conferenceLeft(room, ...args)));
room.on(
ConferenceEvents.AUTH_STATUS_CHANGED,
(authEnabled, authLogin) =>
APP.UI.updateAuthInfo(authEnabled, authLogin));
room.on(ConferenceEvents.PARTCIPANT_FEATURES_CHANGED,
user => APP.UI.onUserFeaturesChanged(user));
room.on(ConferenceEvents.USER_JOINED, (id, user) => {
if (user.isHidden())
return;
APP.store.dispatch(participantJoined({
id,
name: user.getDisplayName(),
role: user.getRole()
}));
logger.log('USER %s connnected', id, user);
APP.API.notifyUserJoined(id);
APP.UI.addUser(user);
// check the roles for the new user and reflect them
APP.UI.updateUserRole(user);
updateRemoteThumbnailsVisibility();
});
room.on(ConferenceEvents.USER_LEFT, (id, user) => {
APP.store.dispatch(participantLeft(id, user));
logger.log('USER %s LEFT', id, user);
APP.API.notifyUserLeft(id);
APP.UI.removeUser(id, user.getDisplayName());
APP.UI.onSharedVideoStop(id);
updateRemoteThumbnailsVisibility();
});
room.on(ConferenceEvents.USER_STATUS_CHANGED, (id, status) => {
let user = room.getParticipantById(id);
if (user) {
APP.UI.updateUserStatus(user, status);
}
});
room.on(ConferenceEvents.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));
let user = room.getParticipantById(id);
if (user) {
APP.UI.updateUserRole(user);
}
}
});
room.on(ConferenceEvents.TRACK_ADDED, (track) => {
if(!track || track.isLocal())
return;
APP.store.dispatch(trackAdded(track));
});
room.on(ConferenceEvents.TRACK_REMOVED, (track) => {
if(!track || track.isLocal())
return;
APP.store.dispatch(trackRemoved(track));
});
room.on(ConferenceEvents.TRACK_AUDIO_LEVEL_CHANGED, (id, lvl) => {
if(this.isLocalId(id) && localAudio && localAudio.isMuted()) {
lvl = 0;
}
if(config.debug)
{
this.audioLevelsMap[id] = lvl;
if(config.debugAudioLevels)
logger.log("AudioLevel:" + id + "/" + lvl);
}
APP.UI.setAudioLevel(id, lvl);
});
room.on(ConferenceEvents.TALK_WHILE_MUTED, () => {
APP.UI.showToolbar(6000);
APP.UI.showCustomToolbarPopup('#talkWhileMutedPopup', true, 5000);
});
room.on(
ConferenceEvents.LAST_N_ENDPOINTS_CHANGED,
(leavingIds, enteringIds) => {
APP.UI.handleLastNEndpoints(leavingIds, enteringIds);
});
room.on(
ConferenceEvents.PARTICIPANT_CONN_STATUS_CHANGED,
id => {
APP.UI.participantConnectionStatusChanged(id);
});
room.on(ConferenceEvents.DOMINANT_SPEAKER_CHANGED, (id) => {
if (this.isLocalId(id)) {
this.isDominantSpeaker = true;
this.setRaisedHand(false);
} else {
this.isDominantSpeaker = false;
var participant = room.getParticipantById(id);
if (participant) {
APP.UI.setRaisedHandStatus(participant, false);
}
}
APP.UI.markDominantSpeaker(id);
});
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, body, ts) => {
let nick = getDisplayName(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) => {
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) {
JitsiMeetJS.analytics.sendEvent(
'selectParticipant.failed');
reportError(e);
}
});
APP.UI.addListener(
UIEvents.VIDEO_UNMUTING_WHILE_AUDIO_ONLY,
() => this._displayAudioOnlyTooltip('videoMute'));
APP.UI.addListener(UIEvents.PINNED_ENDPOINT,
(smallVideo, isPinned) => {
let smallVideoId = smallVideo.getId();
let isLocal = APP.conference.isLocalId(smallVideoId);
let eventName
= (isPinned ? "pinned" : "unpinned") + "." +
(isLocal ? "local" : "remote");
let participantCount = room.getParticipantCount();
JitsiMeetJS.analytics.sendEvent(
eventName,
{ value: participantCount });
// FIXME why VIDEO_CONTAINER_TYPE instead of checking if
// the participant is on the large video ?
if (smallVideo.getVideoType() === VIDEO_CONTAINER_TYPE
&& !isLocal) {
// When the library starts supporting multiple pins we
// would pass the isPinned parameter together with the
// identifier, but currently we send null to indicate that
// we unpin the last pinned.
try {
room.pinParticipant(isPinned ? smallVideoId : null);
} catch (e) {
reportError(e);
}
}
updateRemoteThumbnailsVisibility();
});
}
room.on(ConferenceEvents.CONNECTION_INTERRUPTED, () => {
APP.UI.showLocalConnectionInterrupted(true);
});
room.on(ConferenceEvents.CONNECTION_RESTORED, () => {
APP.UI.showLocalConnectionInterrupted(false);
});
room.on(ConferenceEvents.DISPLAY_NAME_CHANGED, (id, displayName) => {
const formattedDisplayName
= displayName.substr(0, MAX_DISPLAY_NAME_LENGTH);
APP.store.dispatch(participantUpdated({
id,
name: formattedDisplayName
}));
APP.API.notifyDisplayNameChanged(id, formattedDisplayName);
APP.UI.changeDisplayName(id, formattedDisplayName);
});
room.on(
ConferenceEvents.LOCK_STATE_CHANGED,
(...args) => APP.store.dispatch(lockStateChanged(room, ...args)));
room.on(ConferenceEvents.PARTICIPANT_PROPERTY_CHANGED,
(participant, name, oldValue, newValue) => {
if (name === "raisedHand") {
APP.UI.setRaisedHandStatus(participant, newValue);
}
});
room.on(ConferenceEvents.RECORDER_STATE_CHANGED, (status, error) => {
logger.log("Received recorder status change: ", status, error);
APP.UI.updateRecordingState(status);
});
room.on(ConferenceEvents.KICKED, () => {
APP.UI.hideStats();
APP.UI.notifyKicked();
// FIXME close
});
room.on(ConferenceEvents.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(
JitsiMeetJS.events.mediaDevices.DEVICE_LIST_CHANGED,
this.deviceChangeListener);
// stop local video
if (localVideo) {
localVideo.dispose();
}
// stop local audio
if (localAudio) {
localAudio.dispose();
}
});
room.on(ConferenceEvents.DTMF_SUPPORT_CHANGED, (isDTMFSupported) => {
APP.UI.updateDTMFSupport(isDTMFSupported);
});
APP.UI.addListener(UIEvents.EXTERNAL_INSTALLATION_CANCELED, () => {
// Wait a little bit more just to be sure that we won't miss the
// extension installation
setTimeout(() => DSExternalInstallationInProgress = false, 500);
});
APP.UI.addListener(UIEvents.OPEN_EXTENSION_STORE, (url) => {
window.open(
url, "extension_store_window",
"resizable,scrollbars=yes,status=1");
});
APP.UI.addListener(UIEvents.AUDIO_MUTED, muteLocalAudio);
APP.UI.addListener(UIEvents.VIDEO_MUTED, muted => {
if (this.isAudioOnly() && !muted) {
this._displayAudioOnlyTooltip('videoMute');
} else if (!localVideo && this.videoMuted && !muted) {
// Maybe try to create local video if there wasn't any ?
// This handles the case when user joined with no video
// (dismissed screen sharing screen), but decided to add it
// later on by clicking on muted video icon.
createLocalTracks({ devices: ['video'] }, false)
.then(([videoTrack]) => {
APP.conference.useVideoStream(videoTrack);
})
.catch(error => {
APP.UI.showDeviceErrorDialog(null, error);
});
} else {
muteLocalVideo(muted);
}
});
room.on(ConnectionQualityEvents.LOCAL_STATS_UPDATED,
(stats) => {
APP.UI.updateLocalStats(stats.connectionQuality, stats);
});
room.on(ConnectionQualityEvents.REMOTE_STATS_UPDATED,
(id, stats) => {
APP.UI.updateRemoteStats(id, stats.connectionQuality, stats);
});
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({
id: from,
email: data.value
}));
APP.UI.setUserEmail(from, data.value);
});
room.addCommandListener(
this.commands.defaults.AVATAR_URL,
(data, from) => {
APP.store.dispatch(
participantUpdated({
id: from,
avatarURL: data.value
}));
APP.UI.setUserAvatarUrl(from, data.value);
});
room.addCommandListener(this.commands.defaults.AVATAR_ID,
(data, from) => {
APP.store.dispatch(
participantUpdated({
id: from,
avatarID: data.value
}));
APP.UI.setUserAvatarID(from, data.value);
});
APP.UI.addListener(UIEvents.NICKNAME_CHANGED,
this.changeLocalDisplayName.bind(this));
APP.UI.addListener(UIEvents.START_MUTED_CHANGED,
(startAudioMuted, startVideoMuted) => {
room.setStartMutedPolicy({
audio: startAudioMuted,
video: startVideoMuted
});
}
);
room.on(
ConferenceEvents.START_MUTED_POLICY_CHANGED,
({ audio, video }) => {
APP.UI.onStartMutedChanged(audio, video);
}
);
room.on(ConferenceEvents.STARTED_MUTED, () => {
(room.isStartAudioMuted() || room.isStartVideoMuted())
&& APP.UI.notifyInitiallyMuted();
});
room.on(
ConferenceEvents.AVAILABLE_DEVICES_CHANGED, function (id, devices) {
APP.UI.updateDevicesAvailability(id, devices);
}
);
// 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);
}
});
});
APP.UI.addListener(UIEvents.RESOLUTION_CHANGED,
(id, oldResolution, newResolution, delay) => {
var logObject = {
id: "resolution_change",
participant: id,
oldValue: oldResolution,
newValue: newResolution,
delay: delay
};
room.sendApplicationLog(JSON.stringify(logObject));
// We only care about the delay between simulcast streams.
// Longer delays will be caused by something else and will just
// poison the data.
if (delay < 2000) {
JitsiMeetJS.analytics.sendEvent('stream.switch.delay',
{value: delay});
}
});
// Starts or stops the recording for the conference.
APP.UI.addListener(UIEvents.RECORDING_TOGGLED, (options) => {
room.toggleRecording(options);
});
APP.UI.addListener(UIEvents.SUBJECT_CHANGED, (topic) => {
room.setSubject(topic);
});
room.on(ConferenceEvents.SUBJECT_CHANGED, function (subject) {
APP.UI.setSubject(subject);
});
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.VIDEO_DEVICE_CHANGED,
(cameraDeviceId) => {
JitsiMeetJS.analytics.sendEvent('settings.changeDevice.video');
createLocalTracks({
devices: ['video'],
cameraDeviceId: cameraDeviceId,
micDeviceId: null
})
.then(([stream]) => {
if (this.isAudioOnly()) {
return stream.mute()
.then(() => stream);
}
return stream;
})
.then(stream => {
this.useVideoStream(stream);
logger.log('switched local video device');
APP.settings.setCameraDeviceId(cameraDeviceId, true);
})
.catch((err) => {
APP.UI.showDeviceErrorDialog(null, err);
});
}
);
APP.UI.addListener(
UIEvents.AUDIO_DEVICE_CHANGED,
(micDeviceId) => {
JitsiMeetJS.analytics.sendEvent(
'settings.changeDevice.audioIn');
createLocalTracks({
devices: ['audio'],
cameraDeviceId: null,
micDeviceId: micDeviceId
})
.then(([stream]) => {
this.useAudioStream(stream);
logger.log('switched local audio device');
APP.settings.setMicDeviceId(micDeviceId, true);
})
.catch((err) => {
APP.UI.showDeviceErrorDialog(err, null);
});
}
);
APP.UI.addListener(
UIEvents.AUDIO_OUTPUT_DEVICE_CHANGED,
(audioOutputDeviceId) => {
JitsiMeetJS.analytics.sendEvent(
'settings.changeDevice.audioOut');
APP.settings.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 => {
muteLocalVideo(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)
);
APP.UI.addListener(UIEvents.UPDATE_SHARED_VIDEO,
(url, state, time, isMuted, volume) => {
// 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: state,
time: time,
muted: isMuted,
volume: 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: state,
time: time,
muted: isMuted,
volume: volume
}
});
}
updateRemoteThumbnailsVisibility();
});
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);
}
});
function updateRemoteThumbnailsVisibility() {
const localUserId = APP.conference.getMyUserId();
const remoteParticipantsCount = room.getParticipantCount() - 1;
// Get the remote thumbnail count for cases where there are
// non-participants displaying video, such as with video sharing.
const remoteVideosCount = APP.UI.getRemoteVideosCount();
const shouldShowRemoteThumbnails = interfaceConfig.filmStripOnly
|| (APP.UI.isPinned(localUserId) && remoteVideosCount)
|| remoteVideosCount > 1
|| remoteParticipantsCount !== remoteVideosCount;
APP.UI.setRemoteThumbnailsVisibility(
Boolean(shouldShowRemoteThumbnails));
}
},
/**
* Adds any room listener.
* @param {string} eventName one of the ConferenceEvents
* @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 ConferenceEvents
* @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() {
if (JitsiMeetJS.mediaDevices.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.
if (localAudio) {
APP.settings.setMicDeviceId(
localAudio.getDeviceId(), false);
}
if (localVideo) {
APP.settings.setCameraDeviceId(
localVideo.getDeviceId(), false);
}
mediaDeviceHelper.setCurrentMediaDevices(devices);
APP.UI.onAvailableDevicesChanged(devices);
APP.store.dispatch(updateDeviceList(devices));
this.updateVideoIconEnabled();
});
this.deviceChangeListener = (devices) =>
window.setTimeout(
() => this._onDeviceListChanged(devices), 0);
JitsiMeetJS.mediaDevices.addEventListener(
JitsiMeetJS.events.mediaDevices.DEVICE_LIST_CHANGED,
this.deviceChangeListener);
}
},
/**
* 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();
}
let newDevices =
mediaDeviceHelper.getNewMediaDevicesAfterDeviceListChanged(
devices, this.isSharingScreen, localVideo, localAudio);
let promises = [];
let audioWasMuted = this.audioMuted;
let videoWasMuted = this.videoMuted;
let availableAudioInputDevices =
mediaDeviceHelper.getDevicesFromListByKind(devices, 'audioinput');
let availableVideoInputDevices =
mediaDeviceHelper.getDevicesFromListByKind(devices, 'videoinput');
if (typeof newDevices.audiooutput !== 'undefined') {
// Just ignore any errors in catch block.
promises.push(APP.settings
.setAudioOutputDeviceId(newDevices.audiooutput)
.catch());
}
promises.push(
mediaDeviceHelper.createLocalTracksAfterDeviceListChanged(
createLocalTracks,
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 ||
currentDevices.audioinput.length >
availableAudioInputDevices.length) {
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 ||
currentDevices.videoinput.length >
availableVideoInputDevices.length)) {
muteLocalVideo(true);
}
}));
return Promise.all(promises)
.then(() => {
mediaDeviceHelper.setCurrentMediaDevices(devices);
APP.UI.onAvailableDevicesChanged(devices);
this.updateVideoIconEnabled();
});
},
/**
* 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(localVideo);
logger.debug(
'Camera button enabled: ' + available,
'local video: ' + localVideo,
'video devices: ' + videoMediaDevices,
'device count: ' + videoDeviceCount);
APP.store.dispatch(setVideoAvailable(available));
},
/**
* Toggles the local "raised hand" status.
*/
maybeToggleRaisedHand() {
this.setRaisedHand(!this.isHandRaised);
},
/**
* Sets the local "raised hand" status to a particular value.
*/
setRaisedHand(raisedHand) {
if (raisedHand !== this.isHandRaised)
{
APP.UI.onLocalRaiseHandChanged(raisedHand);
this.isHandRaised = raisedHand;
// Advertise the updated status
room.setLocalParticipantProperty("raisedHand", raisedHand);
// Update the view
APP.UI.setLocalRaisedHandStatus(raisedHand);
}
},
/**
* Log event to callstats and analytics.
* @param {string} name the event name
* @param {int} value the value (it's int because google analytics supports
* only int).
* @param {string} label short text which provides more info about the event
* which allows to distinguish between few event cases of the same name
* NOTE: Should be used after conference.init
*/
logEvent(name, value, label) {
if(JitsiMeetJS.analytics) {
JitsiMeetJS.analytics.sendEvent(name, {value, label});
}
if(room) {
room.sendApplicationLog(JSON.stringify({name, value, label}));
}
},
/**
* Methods logs an application event given in the JSON format.
* @param {string} logJSON an event to be logged in JSON format
*/
logJSON(logJSON) {
if (room) {
room.sendApplicationLog(logJSON);
}
},
/**
* 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);
let requestFeedbackPromise = requestFeedback
? APP.UI.requestFeedbackOnHangup()
// false - because the thank you dialog shouldn't be displayed
.catch(() => Promise.resolve(false))
: Promise.resolve(true);// true - because the thank you dialog
//should be displayed
// 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 = '') {
email = String(email).trim();
if (email === APP.settings.getEmail()) {
return;
}
const localId = room ? room.myUserId() : undefined;
APP.store.dispatch(participantUpdated({
id: localId,
local: true,
email
}));
APP.settings.setEmail(email);
APP.UI.setUserEmail(localId, email);
sendData(commands.EMAIL, email);
},
/**
* Changes the avatar url for the local user
* @param url {string} the new url
*/
changeLocalAvatarUrl(url = '') {
url = String(url).trim();
if (url === APP.settings.getAvatarUrl()) {
return;
}
const localId = room ? room.myUserId() : undefined;
APP.store.dispatch(participantUpdated({
id: localId,
local: true,
avatarURL: url
}));
APP.settings.setAvatarUrl(url);
APP.UI.setUserAvatarUrl(localId, url);
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);
if (formattedNickname === APP.settings.getDisplayName()) {
return;
}
APP.store.dispatch(participantUpdated({
id: this.getMyUserId(),
local: true,
name: formattedNickname
}));
APP.settings.setDisplayName(formattedNickname);
if (room) {
room.setDisplayName(formattedNickname);
APP.UI.changeDisplayName(this.getMyUserId(), 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 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 localVideo.sourceType;
}
};