Adds mute indication when someone is muted.

app.js

         var sess = connection.jingle.sessions[sid];
         if (data.stream.id === 'mixedmslabel') return;
         var videoTracks = data.stream.getVideoTracks();
-        console.log("waiting..", videoTracks, selector[0]);
+//        console.log("waiting..", videoTracks, selector[0]);
 
         if (videoTracks.length === 0 || selector[0].currentTime > 0) {
             RTC.attachMediaStream(selector, data.stream); // FIXME: why do i have to do this for FF?
             });
 });
 
+$(document).bind('audiomuted.muc', function (event, jid, isMuted) {
+    var videoSpanId = null;
+    if (jid === connection.emuc.myroomjid) {
+        videoSpanId = 'localVideoContainer';
+    } else {
+        ensurePeerContainerExists(jid);
+        videoSpanId = 'participant_' + Strophe.getResourceFromJid(jid);
+    }
+
+    if (videoSpanId)
+        showAudioIndicator(videoSpanId, isMuted);
+});
+
+$(document).bind('videomuted.muc', function (event, jid, isMuted) {
+    var videoSpanId = null;
+    if (jid === connection.emuc.myroomjid) {
+        videoSpanId = 'localVideoContainer';
+    } else {
+        ensurePeerContainerExists(jid);
+        videoSpanId = 'participant_' + Strophe.getResourceFromJid(jid);
+    }
+
+    if (videoSpanId)
+        showAudioIndicator(videoSpanId, isMuted);
+});
+
 /**
  * Updates the large video with the given new video source.
  */
 function setLargeVideoVisible(isVisible) {
     if (isVisible) {
         $('#largeVideo').css({visibility:'visible'});
-        $('#watermark').css({visibility:'visible'});
+        $('.watermark').css({visibility:'visible'});
     }
     else {
         $('#largeVideo').css({visibility:'hidden'});
-        $('#watermark').css({visibility:'hidden'});
+        $('.watermark').css({visibility:'hidden'});
     }
 }
 
 }
 
 function toggleVideo() {
-    if (!(connection && connection.jingle.localVideo)) return;
+    if (!(connection && connection.jingle.localVideo))
+        return;
 
     var sess = getConferenceHandler();
     if (sess) {
         sess.toggleVideoMute(
             function(isMuted){
                 if(isMuted) {
-                    $('#video').removeClass("fa fa-video-camera fa-lg");
-                    $('#video').addClass("fa fa-video-camera no-fa-video-camera fa-lg");
+                    $('#video').removeClass("icon-camera");
+                    $('#video').addClass("icon-camera icon-camera-disabled");
                 } else {
-                    $('#video').removeClass("fa fa-video-camera no-fa-video-camera fa-lg");
-                    $('#video').addClass("fa fa-video-camera fa-lg");
+                    $('#video').removeClass("icon-camera icon-camera-disabled");
+                    $('#video').addClass("icon-camera");
                 }
             }
         );
     }
+
     var sess = focus || activecall;
     if (!sess) {
         return;
     }
+
     sess.pendingop = ismuted ? 'unmute' : 'mute';
+//    connection.emuc.addVideoInfoToPresence(!ismuted);
+//    connection.emuc.sendPresence();
+
     sess.modifySources();
 }
 
+/**
+ * Mutes / unmutes audio for the local participant.
+ */
 function toggleAudio() {
-    if (!(connection && connection.jingle.localAudio)) return;
+    if (!(connection && connection.jingle.localAudio))
+        return;
     var localAudio = connection.jingle.localAudio;
     for (var idx = 0; idx < localAudio.getAudioTracks().length; idx++) {
-        localAudio.getAudioTracks()[idx].enabled = !localAudio.getAudioTracks()[idx].enabled;
+        var audioEnabled = localAudio.getAudioTracks()[idx].enabled;
+
+        localAudio.getAudioTracks()[idx].enabled = !audioEnabled;
+        connection.emuc.addAudioInfoToPresence(audioEnabled); //isMuted is the opposite of audioEnabled
+        connection.emuc.sendPresence();
     }
 }
 
     return editButton;
 }
 
+/**
+ * Shows audio muted indicator over small videos.
+ */
+function showAudioIndicator(videoSpanId, isMuted) {
+    var audioMutedSpan = $('#' + videoSpanId + '>span.audioMuted');
+
+    if (isMuted === 'false') {
+        if (audioMutedSpan.length > 0) {
+            audioMutedSpan.remove();
+        }
+    }
+    else {
+        var videoMutedSpan = $('#' + videoSpanId + '>span.videoMuted');
+
+        audioMutedSpan = document.createElement('span');
+        audioMutedSpan.className = 'audioMuted';
+        if (videoMutedSpan) {
+            audioMutedSpan.right = '30px';
+        }
+        $('#' + videoSpanId)[0].appendChild(audioMutedSpan);
+
+        var mutedIndicator = document.createElement('i');
+        mutedIndicator.className = 'icon-mic-disabled';
+        mutedIndicator.title = "Participant is muted";
+        audioMutedSpan.appendChild(mutedIndicator);
+    }
+}
+
+/**
+ * Shows video muted indicator over small videos.
+ */
+function showVideoIndicator(videoSpanId, isMuted) {
+    var videoMutedSpan = $('#' + videoSpanId + '>span.videoMuted');
+
+    if (isMuted === 'false') {
+        if (videoMutedSpan.length > 0) {
+            videoMutedSpan.remove();
+        }
+    }
+    else {
+        var audioMutedSpan = $('#' + videoSpanId + '>span.audioMuted');
+
+        videoMutedSpan = document.createElement('span');
+        videoMutedSpan.className = 'videoMuted';
+        if (audioMutedSpan) {
+            videoMutedSpan.right = '30px';
+        }
+        $('#' + videoSpanId)[0].appendChild(videoMutedSpan);
+
+        var mutedIndicator = document.createElement('i');
+        mutedIndicator.className = 'icon-camera-disabled';
+        mutedIndicator.title = "Participant has stopped the camera.";
+        videoMutedSpan.appendChild(mutedIndicator);
+    }
+}
+
 /**
  * Resizes and repositions videos in full screen mode.
  */

css/videolayout_default.css

     z-index: 2;
 }
 
+.videocontainer>span.audioMuted {
+    display: inline-block;
+    position: absolute;
+    color: #FFFFFF;
+    top: 0;
+    right: 0;
+    padding: 8px 5px;
+    width: 25px;
+    font-size: 8pt;
+    text-shadow: 0px 1px 0px rgba(255,255,255,.3), 0px -1px 0px rgba(0,0,0,.7);
+    border: 0px;
+    z-index: 3;
+}
+
+.videocontainer>span.videoMuted {
+    display: inline-block;
+    position: absolute;
+    color: #FFFFFF;
+    top: 0;
+    right: 0;
+    padding: 8px 5px;
+    width: 25px;
+    font-size: 8pt;
+    text-shadow: 0px 1px 0px rgba(255,255,255,.3), 0px -1px 0px rgba(0,0,0,.7);
+    border: 0px;
+    z-index: 3;
+}
+
 #reloadPresentation {
     display: none;
     position: absolute;
     border-bottom-right-radius: 12px;
 }
 
-#watermark {
+.watermark {
     display: block;
     position: absolute;
-    left: 15;
     top: 15;
     width: 20%;
     height: 10%;
-    background-image:url(../images/watermark.png);
     background-size: contain;
     background-repeat: no-repeat;
     z-index: 2;
 }
+
+#leftwatermark {
+    left: 15;
+    background-image:url(../images/watermark.png);
+    background-position: center left;
+}
+
+#rightwatermark {
+    right: 15;
+    background-image:url(../images/rightwatermark.png);
+    background-position: center right;
+}

index.html

     <script src="libs/colibri/colibri.session.js?v=1"></script>
     <script src="//code.jquery.com/ui/1.10.4/jquery-ui.js"></script>
     <script src="config.js"></script><!-- adapt to your needs, i.e. set hosts and bosh path -->
-    <script src="muc.js?v=9"></script><!-- simple MUC library -->
+    <script src="muc.js?v=10"></script><!-- simple MUC library -->
     <script src="estos_log.js?v=2"></script><!-- simple stanza logger -->
     <script src="desktopsharing.js?v=1"></script><!-- desktop sharing -->
-    <script src="app.js?v=25"></script><!-- application logic -->
+    <script src="app.js?v=26"></script><!-- application logic -->
     <script src="chat.js?v=4"></script><!-- chat logic -->
     <script src="util.js?v=3"></script><!-- utility functions -->
     <script src="etherpad.js?v=7"></script><!-- etherpad plugin -->
     <link href="//netdna.bootstrapcdn.com/font-awesome/4.0.3/css/font-awesome.css" rel="stylesheet">
     <link rel="stylesheet" href="css/font.css"/>
     <link rel="stylesheet" type="text/css" media="screen" href="css/main.css?v=20"/>
-    <link rel="stylesheet" type="text/css" media="screen" href="css/videolayout_default.css?v=3" id="videolayout_default"/>
+    <link rel="stylesheet" type="text/css" media="screen" href="css/videolayout_default.css?v=4" id="videolayout_default"/>
     <link rel="stylesheet" href="css/jquery-impromptu.css?v=4">
     <link rel="stylesheet" href="css/modaldialog.css?v=3">
     <!--
   </head>
   <body>
     <div id="header">
-        <a href="http://jitsi.org" target="_blank"><div id="leftlogo"></div></a>
-        <a href="http://www.estos.com/" target="_blank"><div id="rightlogo"></div></a>
         <span id="toolbar">
             <a class="button" onclick='buttonClick("#mute", "icon-microphone icon-mic-disabled");toggleAudio();'>
                 <i id="mute" title="Mute / unmute" class="icon-microphone"></i></a>
         <div id="largeVideoContainer" class="videocontainer">
             <div id="presentation"></div>
             <div id="etherpad"></div>
-            <a href="http://jitsi.org" target="_new"><div id="watermark"></div></a>
+            <a href="http://jitsi.org" target="_new"><div class="watermark" id="leftwatermark"></div></a>
+            <!-- a href="http://jitsi.org" target="_new"><div class="watermark" id="rightwatermark"></div></a -->
             <video id="largeVideo" autoplay oncontextmenu="return false;"></video>
         </div>
         <div id="remoteVideos">

muc.js

             $(document).trigger('presentationremoved.muc', [from, url]);
         }
 
+        // Parse audio info tag.
+        var audioMuted = $(pres).find('>audiomuted');
+        if (audioMuted.length) {
+            $(document).trigger('audiomuted.muc', [from, audioMuted.text()]);
+        }
+
+        // Parse video info tag.
+        var videoMuted = $(pres).find('>videomuted');
+        if (videoMuted.length) {
+            $(document).trigger('videomuted.muc', [from, videoMuted.text()]);
+        }
+
+        // Parse status.
         if ($(pres).find('>x[xmlns="http://jabber.org/protocol/muc#user"]>status[code="201"]').length) {
             // http://xmpp.org/extensions/xep-0045.html#createroom-instant
             this.isOwner = true;
             this.connection.send(create); // fire away
         }
 
+        // Parse roles.
         var member = {};
         member.show = $(pres).find('>show').text();
         member.status = $(pres).find('>status').text();
 
         if (this.presMap['displayName']) {
             // XEP-0172
-            pres.c('nick', {xmlns: 'http://jabber.org/protocol/nick'}).t(this.presMap['displayName']).up();
+            pres.c('nick', {xmlns: 'http://jabber.org/protocol/nick'})
+                .t(this.presMap['displayName']).up();
+        }
+
+        if (this.presMap['audions']) {
+            pres.c('audiomuted', {xmlns: this.presMap['audions']})
+                .t(this.presMap['audiomuted']).up();
+        }
+
+        if (this.presMap['videons']) {
+            console.log("SEND VIDEO MUTED", this.presMap['videomuted']);
+            pres.c('videomuted', {xmlns: this.presMap['videons']})
+                .t(this.presMap['videomuted']).up();
         }
 
         if (this.presMap['prezins']) {
-            pres.c('prezi', {xmlns: this.presMap['prezins'], 'url': this.presMap['preziurl']}).
-                            c('current').t(this.presMap['prezicurrent']).up().up();
+            pres.c('prezi',
+                    {xmlns: this.presMap['prezins'],
+                    'url': this.presMap['preziurl']})
+                    .c('current').t(this.presMap['prezicurrent']).up().up();
         }
 
         if (this.presMap['etherpadns']) {
-            pres.c('etherpad', {xmlns: this.presMap['etherpadns']}).t(this.presMap['etherpadname']).up();
+            pres.c('etherpad', {xmlns: this.presMap['etherpadns']})
+                .t(this.presMap['etherpadname']).up();
         }
 
         if (this.presMap['medians'])
                     pres.c('source',
                            {type: this.presMap['source' + i + '_type'],
                            ssrc: this.presMap['source' + i + '_ssrc'],
-                           direction: this.presMap['source'+ i + '_direction'] || 'sendrecv' }
+                           direction: this.presMap['source'+ i + '_direction']
+                                                    || 'sendrecv' }
                     ).up();
                 }
         }
     addEtherpadToPresence: function(etherpadName) {
         this.presMap['etherpadns'] = 'http://jitsi.org/jitmeet/etherpad';
         this.presMap['etherpadname'] = etherpadName;
+    },
+    addAudioInfoToPresence: function(isMuted) {
+        this.presMap['audions'] = 'http://jitsi.org/jitmeet/audio';
+        this.presMap['audiomuted'] = isMuted.toString();
+    },
+    addVideoInfoToPresence: function(isMuted) {
+        this.presMap['videons'] = 'http://jitsi.org/jitmeet/video';
+        this.presMap['videomuted'] = isMuted.toString();
     }
 });