226 lines
7.8 KiB
JavaScript
226 lines
7.8 KiB
JavaScript
/* @flow */
|
|
|
|
import {
|
|
CAMERA_FACING_MODE,
|
|
MEDIA_TYPE,
|
|
SET_AUDIO_MUTED,
|
|
SET_CAMERA_FACING_MODE,
|
|
SET_VIDEO_MUTED,
|
|
setAudioMuted,
|
|
setVideoMuted,
|
|
TOGGLE_CAMERA_FACING_MODE,
|
|
toggleCameraFacingMode
|
|
} from '../media';
|
|
import { MiddlewareRegistry } from '../redux';
|
|
|
|
import { TRACK_ADDED, TRACK_REMOVED, TRACK_UPDATED } from './actionTypes';
|
|
import { getLocalTrack, setTrackMuted } from './functions';
|
|
|
|
declare var APP: Object;
|
|
|
|
/**
|
|
* Middleware that captures LIB_DID_DISPOSE and LIB_DID_INIT actions and,
|
|
* respectively, creates/destroys local media tracks. Also listens to
|
|
* media-related actions and performs corresponding operations with tracks.
|
|
*
|
|
* @param {Store} store - Redux store.
|
|
* @returns {Function}
|
|
*/
|
|
MiddlewareRegistry.register(store => next => action => {
|
|
switch (action.type) {
|
|
case SET_AUDIO_MUTED:
|
|
_setMuted(store, action, MEDIA_TYPE.AUDIO);
|
|
break;
|
|
|
|
case SET_CAMERA_FACING_MODE: {
|
|
// XXX The camera facing mode of a MediaStreamTrack can be specified
|
|
// only at initialization time and then it can only be toggled. So in
|
|
// order to set the camera facing mode, one may destroy the track and
|
|
// then initialize a new instance with the new camera facing mode. But
|
|
// that is inefficient on mobile at least so the following relies on the
|
|
// fact that there are 2 camera facing modes and merely toggles between
|
|
// them to (hopefully) get the camera in the specified state.
|
|
const localTrack = _getLocalTrack(store, MEDIA_TYPE.VIDEO);
|
|
let jitsiTrack;
|
|
|
|
if (localTrack
|
|
&& (jitsiTrack = localTrack.jitsiTrack)
|
|
&& jitsiTrack.getCameraFacingMode()
|
|
!== action.cameraFacingMode) {
|
|
store.dispatch(toggleCameraFacingMode());
|
|
}
|
|
break;
|
|
}
|
|
|
|
case SET_VIDEO_MUTED:
|
|
_setMuted(store, action, MEDIA_TYPE.VIDEO);
|
|
break;
|
|
|
|
case TOGGLE_CAMERA_FACING_MODE: {
|
|
const localTrack = _getLocalTrack(store, MEDIA_TYPE.VIDEO);
|
|
let jitsiTrack;
|
|
|
|
if (localTrack && (jitsiTrack = localTrack.jitsiTrack)) {
|
|
// XXX MediaStreamTrack._switchCamera is a custom function
|
|
// implemented in react-native-webrtc for video which switches
|
|
// between the cameras via a native WebRTC library implementation
|
|
// without making any changes to the track.
|
|
jitsiTrack._switchCamera();
|
|
|
|
// Don't mirror the video of the back/environment-facing camera.
|
|
const mirror
|
|
= jitsiTrack.getCameraFacingMode() === CAMERA_FACING_MODE.USER;
|
|
|
|
store.dispatch({
|
|
type: TRACK_UPDATED,
|
|
track: {
|
|
jitsiTrack,
|
|
mirror
|
|
}
|
|
});
|
|
}
|
|
break;
|
|
}
|
|
|
|
case TRACK_ADDED:
|
|
// TODO Remove this middleware case once all UI interested in new tracks
|
|
// being added are converted to react and listening for store changes.
|
|
if (typeof APP !== 'undefined' && !action.track.local) {
|
|
APP.UI.addRemoteStream(action.track.jitsiTrack);
|
|
}
|
|
break;
|
|
|
|
case TRACK_REMOVED:
|
|
// TODO Remove this middleware case once all UI interested in tracks
|
|
// being removed are converted to react and listening for store changes.
|
|
if (typeof APP !== 'undefined' && !action.track.local) {
|
|
APP.UI.removeRemoteStream(action.track.jitsiTrack);
|
|
}
|
|
break;
|
|
|
|
case TRACK_UPDATED:
|
|
// TODO Remove the below calls to APP.UI once components interested in
|
|
// track mute changes are moved into react.
|
|
if (typeof APP !== 'undefined') {
|
|
const { jitsiTrack } = action.track;
|
|
const isMuted = jitsiTrack.isMuted();
|
|
const participantID = jitsiTrack.getParticipantId();
|
|
const isVideoTrack = jitsiTrack.isVideoTrack();
|
|
|
|
if (jitsiTrack.isLocal()) {
|
|
if (isVideoTrack) {
|
|
APP.conference.videoMuted = isMuted;
|
|
} else {
|
|
APP.conference.audioMuted = isMuted;
|
|
}
|
|
}
|
|
|
|
if (isVideoTrack) {
|
|
APP.UI.setVideoMuted(participantID, isMuted);
|
|
APP.UI.onPeerVideoTypeChanged(
|
|
participantID, jitsiTrack.videoType);
|
|
} else {
|
|
APP.UI.setAudioMuted(participantID, isMuted);
|
|
}
|
|
}
|
|
|
|
return _trackUpdated(store, next, action);
|
|
}
|
|
|
|
return next(action);
|
|
});
|
|
|
|
/**
|
|
* Gets the local track associated with a specific <tt>MEDIA_TYPE</tt> in a
|
|
* specific Redux store.
|
|
*
|
|
* @param {Store} store - The Redux store from which the local track associated
|
|
* with the specified <tt>mediaType</tt> is to be retrieved.
|
|
* @param {MEDIA_TYPE} mediaType - The <tt>MEDIA_TYPE</tt> of the local track to
|
|
* be retrieved from the specified <tt>store</tt>.
|
|
* @private
|
|
* @returns {Track} The local <tt>Track</tt> associated with the specified
|
|
* <tt>mediaType</tt> in the specified <tt>store</tt>.
|
|
*/
|
|
function _getLocalTrack(store, mediaType: MEDIA_TYPE) {
|
|
return getLocalTrack(store.getState()['features/base/tracks'], mediaType);
|
|
}
|
|
|
|
/**
|
|
* Mutes or unmutes a local track with a specific media type.
|
|
*
|
|
* @param {Store} store - The Redux store in which the specified action is
|
|
* dispatched.
|
|
* @param {Action} action - The Redux action dispatched in the specified store.
|
|
* @param {MEDIA_TYPE} mediaType - The {@link MEDIA_TYPE} of the local track
|
|
* which is being muted or unmuted.
|
|
* @private
|
|
* @returns {void}
|
|
*/
|
|
function _setMuted(store, action, mediaType: MEDIA_TYPE) {
|
|
const localTrack = _getLocalTrack(store, mediaType);
|
|
|
|
localTrack && setTrackMuted(localTrack.jitsiTrack, action.muted);
|
|
}
|
|
|
|
/**
|
|
* Intercepts the action <tt>TRACK_UPDATED</tt> in order to synchronize the
|
|
* muted states of the local tracks of features/base/tracks with the muted
|
|
* states of features/base/media.
|
|
*
|
|
* @param {Store} store - The Redux store in which the specified <tt>action</tt>
|
|
* is being dispatched.
|
|
* @param {Dispatch} next - The Redux dispatch function to dispatch the
|
|
* specified <tt>action</tt> to the specified <tt>store</tt>.
|
|
* @param {Action} action - The Redux action <tt>TRACK_UPDATED</tt> which is
|
|
* being dispatched in the specified <tt>store</tt>.
|
|
* @private
|
|
* @returns {Object} The new state that is the result of the reduction of the
|
|
* specified <tt>action</tt>.
|
|
*/
|
|
function _trackUpdated(store, next, action) {
|
|
// Determine the muted state of the local track before the update.
|
|
const track = action.track;
|
|
let mediaType;
|
|
let oldMuted;
|
|
|
|
if ('muted' in track) {
|
|
// XXX The return value of JitsiTrack.getType() is of type MEDIA_TYPE
|
|
// that happens to be compatible with the type MEDIA_TYPE defined by
|
|
// jitsi-meet.
|
|
mediaType = track.jitsiTrack.getType();
|
|
|
|
const localTrack = _getLocalTrack(store, mediaType);
|
|
|
|
if (localTrack) {
|
|
oldMuted = localTrack.muted;
|
|
}
|
|
}
|
|
|
|
const result = next(action);
|
|
|
|
if (typeof oldMuted !== 'undefined') {
|
|
// Determine the muted state of the local track after the update. If the
|
|
// muted states before and after the update differ, then the respective
|
|
// media state should by synchronized.
|
|
const localTrack = _getLocalTrack(store, mediaType);
|
|
|
|
if (localTrack) {
|
|
const newMuted = localTrack.muted;
|
|
|
|
if (oldMuted !== newMuted) {
|
|
switch (mediaType) {
|
|
case MEDIA_TYPE.AUDIO:
|
|
store.dispatch(setAudioMuted(newMuted));
|
|
break;
|
|
case MEDIA_TYPE.VIDEO:
|
|
store.dispatch(setVideoMuted(newMuted));
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return result;
|
|
}
|