ref(thumbnail): mutedWhileDisconnected -> redux

modules/UI/videolayout/RemoteVideo.js

@@ -100,17 +100,6 @@ export default class RemoteVideo extends SmallVideo {
          */
         this._canPlayEventReceived = false;
 
-        /**
-         * The flag is set to <tt>true</tt> if remote participant's video gets muted
-         * during his media connection disruption. This is to prevent black video
-         * being render on the thumbnail, because even though once the video has
-         * been played the image usually remains on the video element it seems that
-         * after longer period of the video element being hidden this image can be
-         * lost.
-         * @type {boolean}
-         */
-        this.mutedWhileDisconnected = false;
-
         // Bind event handlers so they are only bound once for every instance.
         // TODO The event handlers should be turned into actions so changes can be
         // handled through reducers and middleware.
@@ -306,36 +295,6 @@ export default class RemoteVideo extends SmallVideo {
         this._generatePopupContent();
     }
 
-    /**
-     * Video muted status changed handler.
-     */
-    onVideoMute() {
-        super.updateView();
-
-        // Update 'mutedWhileDisconnected' flag
-        this._figureOutMutedWhileDisconnected();
-    }
-
-    /**
-     * Figures out the value of {@link #mutedWhileDisconnected} flag by taking into
-     * account remote participant's network connectivity and video muted status.
-     *
-     * @private
-     */
-    _figureOutMutedWhileDisconnected() {
-        const state = APP.store.getState();
-        const participant = getParticipantById(state, this.id);
-        const connectionState = participant?.connectionStatus;
-        const isActive = connectionState === JitsiParticipantConnectionStatus.ACTIVE;
-        const isVideoMuted = isRemoteTrackMuted(state['features/base/tracks'], MEDIA_TYPE.VIDEO, this.id);
-
-        if (!isActive && isVideoMuted) {
-            this.mutedWhileDisconnected = true;
-        } else if (isActive && !isVideoMuted) {
-            this.mutedWhileDisconnected = false;
-        }
-    }
-
     /**
      * Removes the remote stream element corresponding to the given stream and
      * parent container.
@@ -378,12 +337,12 @@ export default class RemoteVideo extends SmallVideo {
      */
     isVideoPlayable() {
         const participant = getParticipantById(APP.store.getState(), this.id);
-        const connectionState = participant?.connectionStatus;
+        const { connectionStatus, mutedWhileDisconnected } = participant || {};
 
         return super.isVideoPlayable()
             && this._canPlayEventReceived
-            && (connectionState === JitsiParticipantConnectionStatus.ACTIVE
+            && (connectionStatus === JitsiParticipantConnectionStatus.ACTIVE
-                || (connectionState === JitsiParticipantConnectionStatus.INTERRUPTED && !this.mutedWhileDisconnected));
+                || (connectionStatus === JitsiParticipantConnectionStatus.INTERRUPTED && !mutedWhileDisconnected));
     }
 
     /**
@@ -391,7 +350,6 @@ export default class RemoteVideo extends SmallVideo {
      */
     updateView() {
         this.$container.toggleClass('audio-only', APP.conference.isAudioOnly());
-        this._figureOutMutedWhileDisconnected();
         super.updateView();
     }
 

modules/UI/videolayout/SmallVideo.js

@@ -433,7 +433,7 @@ export default class SmallVideo {
      */
     computeDisplayModeInput() {
         let isScreenSharing = false;
-        let connectionStatus;
+        let connectionStatus, mutedWhileDisconnected;
         const state = APP.store.getState();
         const participant = getParticipantById(state, this.id);
 
@@ -443,6 +443,7 @@ export default class SmallVideo {
 
             isScreenSharing = typeof track !== 'undefined' && track.videoType === 'desktop';
             connectionStatus = participant.connectionStatus;
+            mutedWhileDisconnected = participant.mutedWhileDisconnected;
         }
 
         return {
@@ -453,7 +454,7 @@ export default class SmallVideo {
             isVideoPlayable: this.isVideoPlayable(),
             hasVideo: Boolean(this.selectVideoElement().length),
             connectionStatus,
-            mutedWhileDisconnected: this.mutedWhileDisconnected,
+            mutedWhileDisconnected,
             canPlayEventReceived: this._canPlayEventReceived,
             videoStream: Boolean(this.videoStream),
             isScreenSharing,

modules/UI/videolayout/VideoLayout.js

@@ -337,7 +337,7 @@ const VideoLayout = {
             const remoteVideo = remoteVideos[id];
 
             if (remoteVideo) {
-                remoteVideo.onVideoMute();
+                remoteVideo.updateView();
             }
         }
 
@@ -391,12 +391,6 @@ const VideoLayout = {
         const remoteVideo = remoteVideos[id];
 
         if (remoteVideo) {
-            // Updating only connection status indicator is not enough, because
-            // when we the connection is restored while the avatar was displayed
-            // (due to 'muted while disconnected' condition) we may want to show
-            // the video stream again and in order to do that the display mode
-            // must be updated.
-            // remoteVideo.updateConnectionStatusIndicator(isActive);
             remoteVideo.updateView();
         }
     },

react/features/base/participants/actions.js

@@ -19,7 +19,8 @@ import {
 import {
     getLocalParticipant,
     getNormalizedDisplayName,
-    getParticipantDisplayName
+    getParticipantDisplayName,
+    figureOutMutedWhileDisconnectedStatus
 } from './functions';
 
 /**
@@ -216,13 +217,16 @@ export function muteRemoteParticipant(id) {
  * }}
  */
 export function participantConnectionStatusChanged(id, connectionStatus) {
+    return (dispatch, getState) => {
         return {
             type: PARTICIPANT_UPDATED,
             participant: {
                 connectionStatus,
-            id
+                id,
+                mutedWhileDisconnected: figureOutMutedWhileDisconnectedStatus(getState(), id, connectionStatus)
             }
         };
+    };
 }
 
 /**

react/features/base/participants/functions.js

@@ -5,7 +5,7 @@ import { getGravatarURL } from '@jitsi/js-utils/avatar';
 import { JitsiParticipantConnectionStatus } from '../lib-jitsi-meet';
 import { MEDIA_TYPE, shouldRenderVideoTrack } from '../media';
 import { toState } from '../redux';
-import { getTrackByMediaTypeAndParticipant } from '../tracks';
+import { getTrackByMediaTypeAndParticipant, isRemoteTrackMuted } from '../tracks';
 import { createDeferred } from '../util';
 
 import {
@@ -366,6 +366,45 @@ export function shouldRenderParticipantVideo(stateful: Object | Function, id: st
     return participantIsInLargeVideoWithScreen;
 }
 
+/**
+ * Figures out the value of mutedWhileDisconnected status by taking into
+ * account remote participant's network connectivity and video muted status.
+ * The flag is set to <tt>true</tt> if remote participant's video gets muted
+ * during his media connection disruption. This is to prevent black video
+ * being render on the thumbnail, because even though once the video has
+ * been played the image usually remains on the video element it seems that
+ * after longer period of the video element being hidden this image can be
+ * lost.
+ *
+ * @param {Object|Function} stateful - Object or function that can be resolved
+ * to the Redux state.
+ * @param {string} participantID - The ID of the participant.
+ * @param {string} [connectionStatus] - A connection status to be used.
+ * @returns {boolean} - The mutedWhileDisconnected value.
+ */
+export function figureOutMutedWhileDisconnectedStatus(
+        stateful: Function | Object, participantID: string, connectionStatus: ?string) {
+    const state = toState(stateful);
+    const participant = getParticipantById(state, participantID);
+
+    if (!participant || participant.local) {
+        return undefined;
+    }
+
+    const isActive = (connectionStatus || participant.connectionStatus) === JitsiParticipantConnectionStatus.ACTIVE;
+    const isVideoMuted = isRemoteTrackMuted(state['features/base/tracks'], MEDIA_TYPE.VIDEO, participantID);
+    let mutedWhileDisconnected = participant.mutedWhileDisconnected || false;
+
+    if (!isActive && isVideoMuted) {
+        mutedWhileDisconnected = true;
+    } else if (isActive && !isVideoMuted) {
+        mutedWhileDisconnected = false;
+    }
+
+    return mutedWhileDisconnected;
+}
+
+
 /**
  * Resolves the first loadable avatar URL for a participant.
  *

react/features/base/participants/middleware.js

@@ -12,6 +12,7 @@ import {
 import { JitsiConferenceEvents } from '../lib-jitsi-meet';
 import { MiddlewareRegistry, StateListenerRegistry } from '../redux';
 import { playSound, registerSound, unregisterSound } from '../sounds';
+import { getTrackByJitsiTrack, TRACK_ADDED, TRACK_REMOVED, TRACK_UPDATED } from '../tracks';
 
 import {
     DOMINANT_SPEAKER_CHANGED,
@@ -41,7 +42,8 @@ import {
     getLocalParticipant,
     getParticipantById,
     getParticipantCount,
-    getParticipantDisplayName
+    getParticipantDisplayName,
+    figureOutMutedWhileDisconnectedStatus
 } from './functions';
 import { PARTICIPANT_JOINED_FILE, PARTICIPANT_LEFT_FILE } from './sounds';
 
@@ -134,6 +136,11 @@ MiddlewareRegistry.register(store => next => action => {
 
     case PARTICIPANT_UPDATED:
         return _participantJoinedOrUpdated(store, next, action);
+
+    case TRACK_ADDED:
+    case TRACK_REMOVED:
+    case TRACK_UPDATED:
+        return _trackChanged(store, next, action);
     }
 
     return next(action);
@@ -452,6 +459,55 @@ function _registerSounds({ dispatch }) {
     dispatch(registerSound(PARTICIPANT_LEFT_SOUND_ID, PARTICIPANT_LEFT_FILE));
 }
 
+/**
+ * Notifies the feature base/participants that the action there has been a change in the tracks of the participants.
+ *
+ * @param {Store} store - The redux store in which the specified {@code action} is being dispatched.
+ * @param {Dispatch} next - The redux {@code dispatch} function to dispatch the specified {@code action} in the
+ * specified {@code store}.
+ * @param {Action} action - The redux action {@code PARTICIPANT_JOINED} or {@code PARTICIPANT_UPDATED} which is being
+ * dispatched in the specified {@code store}.
+ * @private
+ * @returns {Object} The value returned by {@code next(action)}.
+ */
+function _trackChanged({ dispatch, getState }, next, action) {
+    const { jitsiTrack } = action.track;
+    let track;
+
+    if (action.type === TRACK_REMOVED) {
+        track = getTrackByJitsiTrack(getState()['features/base/tracks'], jitsiTrack);
+    }
+
+    const result = next(action);
+
+    if (action.type !== TRACK_REMOVED) {
+        track = getTrackByJitsiTrack(getState()['features/base/tracks'], jitsiTrack);
+    }
+
+    if (typeof track === 'undefined' || track.local) {
+        return result;
+    }
+
+    const { participantId } = track;
+    const state = getState();
+    const participant = getParticipantById(state, participantId);
+
+    if (!participant) {
+        return result;
+    }
+
+    const mutedWhileDisconnected = figureOutMutedWhileDisconnectedStatus(state, participantId);
+
+    if (participant.mutedWhileDisconnected !== mutedWhileDisconnected) {
+        dispatch(participantUpdated({
+            id: participantId,
+            mutedWhileDisconnected
+        }));
+    }
+
+    return result;
+}
+
 /**
  * Unregisters sounds related with the participants feature.
  *

react/features/base/participants/reducer.js

@@ -221,6 +221,7 @@ function _participantJoined({ participant }) {
         isJigasi,
         loadableAvatarUrl,
         local: local || false,
+        mutedWhileDisconnected: local ? undefined : false,
         name,
         pinned: pinned || false,
         presence,