Beta version of the new meet.jit.si interface.

app.js

@@ -10,7 +10,10 @@ var roomUrl = null;
 var ssrc2jid = {};
 var localVideoSrc = null;
 var flipXLocalVideo = true;
-var preziPlayer = null;
+var isFullScreen = false;
+var toolbarTimeout = null;
+var currentVideoWidth = null;
+var currentVideoHeight = null;
 
 /* window.onbeforeunload = closePageWarning; */
 
@@ -154,7 +157,6 @@ function doJoin() {
 }
 
 function change_local_audio(stream) {
-
     connection.jingle.localAudio = stream;
     RTC.attachMediaStream($('#localAudio'), stream);
     document.getElementById('localAudio').autoplay = true;
@@ -171,7 +173,11 @@ function change_local_video(stream, flipX) {
     localVideo.volume = 0; // is it required if audio is separated ?
     localVideo.oncontextmenu = function () { return false; };
 
-    var localVideoContainer = document.getElementById('localVideoContainer');
+    localVideo.addEventListener('loadedmetadata', function(e){
+        positionLarge(this.videoWidth, this.videoHeight);
+    });
+
+    var localVideoContainer = document.getElementById('localVideoWrapper');
     localVideoContainer.appendChild(localVideo);
 
     var localVideoSelector = $('#' + localVideo.id);
@@ -265,7 +271,17 @@ $(document).bind('remotestreamadded.jingle', function (event, data, sid) {
     vid.id = id;
     vid.autoplay = true;
     vid.oncontextmenu = function () { return false; };
+
+    vid.addEventListener('loadedmetadata', function(e){
+        positionLarge(this.videoWidth, this.videoHeight);
+    });
+
     container.appendChild(vid);
+    var sel = $('#' + id);
+    sel.hide();
+    RTC.attachMediaStream(sel, data.stream);
+    waitForRemoteVideo(sel, sid);
+
     // TODO: make mixedstream display:none via css?
     if (id.indexOf('mixedmslabel') !== -1) {
         container.id = 'mixedstream';
@@ -555,6 +571,7 @@ $(document).bind('entered.muc', function (event, jid, info, pres) {
         showDisplayName(videoSpanId, info.displayName);
 
     var nickfield = document.createElement('span');
+    nickfield.className = "nick";
     nickfield.appendChild(document.createTextNode(Strophe.getResourceFromJid(jid)));
     container.appendChild(nickfield);
     resizeThumbnails();
@@ -681,160 +698,20 @@ $(document).bind('passwordrequired.muc', function (event, jid) {
             });
 });
 
-/*
- * Presentation has been removed.
- */
-$(document).bind('presentationremoved.muc', function(event, jid, presUrl) {
-    console.log('presentation removed', presUrl);
-    var presId = getPresentationId(presUrl);
-    setPresentationVisible(false);
-    $('#participant_' + Strophe.getResourceFromJid(jid) + '_' + presId).remove();
-    $('#presentation>iframe').remove();
-    if (preziPlayer !== null) {
-        preziPlayer.destroy();
-        preziPlayer = null;
-    }
-});
-
-/*
- * Presentation has been added.
- */
-$(document).bind('presentationadded.muc', function (event, jid, presUrl, currentSlide) {
-    console.log("presentation added", presUrl);
-
-    var presId = getPresentationId(presUrl);
-    var elementId = 'participant_' + Strophe.getResourceFromJid(jid) + '_' + presId;
-
-    var container = addRemoteVideoContainer(elementId);
-    resizeThumbnails();
-
-    var controlsEnabled = false;
-    if (jid === connection.emuc.myroomjid)
-        controlsEnabled = true;
-
-    setPresentationVisible(true);
-    $('#largeVideoContainer').hover(
-        function (event) {
-            if (isPresentationVisible())
-                $('#reloadPresentation').css({display:'inline-block'});
-        },
-        function (event) {
-            if (!isPresentationVisible())
-                $('#reloadPresentation').css({display:'none'});
-            else {
-                var e = event.toElement || event.relatedTarget;
-
-                while(e && e.parentNode && e.parentNode !== window) {
-                    if (e.parentNode === this || e === this) {
-                        return false;
-                    }
-                    e = e.parentNode;
-                }
-                $('#reloadPresentation').css({display:'none'});
-            }
-        });
-
-    preziPlayer = new PreziPlayer(
-                'presentation',
-                {preziId: presId,
-                width: $('#largeVideoContainer').width(),
-                height: $('#largeVideoContainer').height(),
-                controls: controlsEnabled,
-                debug: true
-                });
-
-    $('#presentation>iframe').attr('id', preziPlayer.options.preziId);
-
-    preziPlayer.on(PreziPlayer.EVENT_STATUS, function(event) {
-        console.log("prezi status", event.value);
-        if (event.value === PreziPlayer.STATUS_CONTENT_READY) {
-            if (jid !== connection.emuc.myroomjid)
-                preziPlayer.flyToStep(currentSlide);
-        }
-    });
-
-    preziPlayer.on(PreziPlayer.EVENT_CURRENT_STEP, function(event) {
-        console.log("event value", event.value);
-        connection.emuc.addCurrentSlideToPresence(event.value);
-        connection.emuc.sendPresence();
-    });
-
-    $("#" + elementId).css('background-image','url(../images/avatarprezi.png)');
-    $("#" + elementId).click(
-        function () {
-            setPresentationVisible(true);
-        }
-    );
-});
-
-/*
- * Indicates presentation slide change.
- */
-$(document).bind('gotoslide.muc', function (event, jid, presUrl, current) {
-    if (preziPlayer) {
-        preziPlayer.flyToStep(current);
-    }
-});
-
-/**
- * Returns the presentation id from the given url.
- */
-function getPresentationId (presUrl) {
-    var presIdTmp = presUrl.substring(presUrl.indexOf("prezi.com/") + 10);
-    return presIdTmp.substring(0, presIdTmp.indexOf('/'));
-}
-
-/*
- * Reloads the current presentation.
- */
-function reloadPresentation() {
-    var iframe = document.getElementById(preziPlayer.options.preziId);
-    iframe.src = iframe.src;
-}
-
-/*
- * Shows/hides a presentation.
- */
-function setPresentationVisible(visible) {
-    if (visible) {
-        // Trigger the video.selected event to indicate a change in the large video.
-        $(document).trigger("video.selected", [true]);
-
-        $('#largeVideo').fadeOut(300, function () {
-            $('#largeVideo').css({visibility:'hidden'});
-            $('#presentation>iframe').fadeIn(300, function() {
-                $('#presentation>iframe').css({opacity:'1'});
-            });
-        });
-    }
-    else {
-        if ($('#presentation>iframe')) {
-            $('#presentation>iframe').fadeOut(300, function () {
-                $('#presentation>iframe').css({opacity:'0'});
-                $('#largeVideo').fadeIn(300, function() {
-                    $('#largeVideo').css({visibility:'visible'});
-                });
-            });
-        }
-    }
-}
-
-function isPresentationVisible() {
-    return ($('#presentation>iframe') !== null && $('#presentation>iframe').css('opacity') == 1);
-}
-
 /**
  * Updates the large video with the given new video source.
  */
 function updateLargeVideo(newSrc, vol) {
     console.log('hover in', newSrc);
 
-    setPresentationVisible(false);
-
-    if ($('#largeVideo').attr('src') !== newSrc) {
+    if ($('#largeVideo').attr('src') != newSrc) {
+        document.getElementById('largeVideo')
+            .addEventListener('loadedmetadata', function(e){
+                currentVideoWidth = this.videoWidth;
+                currentVideoHeight = this.videoHeight;
+        });
 
-        // FIXME: is it still required ? audio is separated
-        //document.getElementById('largeVideo').volume = vol;
+        var isVisible = $('#largeVideo').is(':visible');
 
         $('#largeVideo').fadeOut(300, function () {
             $(this).attr('src', newSrc);
@@ -850,11 +727,26 @@ function updateLargeVideo(newSrc, vol) {
                 document.getElementById('largeVideo').style.webkitTransform = "none";
             }
 
-            $(this).fadeIn(300);
+            if (isVisible)
+                $(this).fadeIn(300);
         });
     }
 }
 
+/**
+ * Shows/hides the large video.
+ */
+function setLargeVideoVisible(isVisible) {
+    if (isVisible) {
+        $('#largeVideo').css({visibility:'visible'});
+        $('#watermark').css({visibility:'visible'});
+    }
+    else {
+        $('#largeVideo').css({visibility:'hidden'});
+        $('#watermark').css({visibility:'hidden'});
+    }
+}
+
 function getConferenceHandler() {
     return focus ? focus : activecall;
 }
@@ -876,6 +768,12 @@ function toggleVideo() {
             }
         );
     }
+    var sess = focus || activecall;
+    if (!sess) {
+        return;
+    }
+    sess.pendingop = ismuted ? 'unmute' : 'mute';
+    sess.modifySources();
 }
 
 function toggleAudio() {
@@ -886,47 +784,140 @@ function toggleAudio() {
     }
 }
 
-var resizeLarge = function () {
-    Chat.resizeChat();
-    var availableHeight = window.innerHeight;
-    var chatspaceWidth = $('#chatspace').is(":visible")
-                            ? $('#chatspace').width()
-                            : 0;
+/**
+ * Positions the large video.
+ *
+ * @param videoWidth the stream video width
+ * @param videoHeight the stream video height
+ */
+var positionLarge = function(videoWidth, videoHeight) {
+    var videoSpaceWidth = $('#videospace').width();
+    var videoSpaceHeight = window.innerHeight;
+
+    var videoSize = getVideoSize(   videoWidth,
+                                    videoHeight,
+                                    videoSpaceWidth,
+                                    videoSpaceHeight);
+
+    var availableWidth = videoSize[0];
+    var availableHeight = videoSize[1];
+
+    var videoPosition = getVideoPosition(   availableWidth,
+                                            availableHeight,
+                                            videoSpaceWidth,
+                                            videoSpaceHeight);
+
+    var horizontalIndent = videoPosition[0];
+    var verticalIndent = videoPosition[1];
+
+    positionVideo(  $('#largeVideo'),
+                    availableWidth,
+                    availableHeight,
+                    horizontalIndent, verticalIndent);
+};
 
-    var numvids = $('#remoteVideos>video:visible').length;
-    if (numvids < 5)
-        availableHeight -= 100; // min thumbnail height for up to 4 videos
-    else
-        availableHeight -= 50; // min thumbnail height for more than 5 videos
+/**
+ * Returns an array of the video horizontal and vertical indents,
+ * so that if fits its parent.
+ *
+ * @return an array with 2 elements, the horizontal indent and the vertical
+ * indent
+ */
+var getVideoPosition = function (   videoWidth,
+                                    videoHeight,
+                                    videoSpaceWidth,
+                                    videoSpaceHeight) {
+    // Parent height isn't completely calculated when we position the video in
+    // full screen mode and this is why we use the screen height in this case.
+    // Need to think it further at some point and implement it properly.
+    var isFullScreen = document.fullScreen
+                        || document.mozFullScreen
+                        || document.webkitIsFullScreen; 
+    if (isFullScreen)
+        videoSpaceHeight = window.innerHeight;
+
+    var horizontalIndent = (videoSpaceWidth - videoWidth)/2;
+    var verticalIndent = (videoSpaceHeight - videoHeight)/2;
+
+    return [horizontalIndent, verticalIndent];
+};
 
-    availableHeight -= 79; // padding + link ontop
-    var availableWidth = window.innerWidth - chatspaceWidth;
-    var aspectRatio = 16.0 / 9.0;
-    if (availableHeight < availableWidth / aspectRatio) {
-        availableWidth = Math.floor(availableHeight * aspectRatio);
+/**
+ * Returns an array of the video dimensions, so that if fits the screen.
+ *
+ * @return an array with 2 elements, the video width and the video height
+ */
+var getVideoSize = function(videoWidth,
+                            videoHeight,
+                            videoSpaceWidth,
+                            videoSpaceHeight) {
+    if (!videoWidth)
+        videoWidth = currentVideoWidth;
+    if (!videoHeight)
+        videoHeight = currentVideoHeight;
+
+    var aspectRatio = videoWidth / videoHeight;
+
+    var availableWidth = Math.max(videoWidth, videoSpaceWidth);
+    var availableHeight = Math.max(videoHeight, videoSpaceHeight);
+
+    if (availableWidth / aspectRatio < videoSpaceHeight) {
+        availableHeight = videoSpaceHeight;
+        availableWidth = availableHeight*aspectRatio;
     }
-    if (availableWidth < 0 || availableHeight < 0) return;
-    $('#largeVideo').parent().width(availableWidth);
-    $('#largeVideo').parent().height(availableWidth / aspectRatio);
 
-    if ($('#presentation>iframe')) {
-        $('#presentation>iframe').width(availableWidth);
-        $('#presentation>iframe').height(availableWidth / aspectRatio);
+    if (availableHeight*aspectRatio < videoSpaceWidth) {
+        availableWidth = videoSpaceWidth;
+        availableHeight = availableWidth / aspectRatio;
     }
 
-    if ($('#etherpad>iframe')) {
-        $('#etherpad>iframe').width(availableWidth);
-        $('#etherpad>iframe').height(availableWidth / aspectRatio);
-    }
+    return [availableWidth, availableHeight];
+};
+
+/**
+ * Sets the size and position of the given video element.
+ *
+ * @param video the video element to position
+ * @param width the desired video width
+ * @param height the desired video height
+ * @param horizontalIndent the left and right indent
+ * @param verticalIndent the top and bottom indent
+ */
+function positionVideo( video,
+                        width,
+                        height,
+                        horizontalIndent,
+                        verticalIndent) {
+    video.width(width);
+    video.height(height);
+    video.css({  top: verticalIndent + 'px',
+                 bottom: verticalIndent + 'px',
+                 left: horizontalIndent + 'px',
+                 right: horizontalIndent + 'px'});
+}
+
+var resizeLargeVideoContainer = function () {
+    Chat.resizeChat();
+    var availableHeight = window.innerHeight;
+    var availableWidth = Util.getAvailableVideoWidth();
+
+    if (availableWidth < 0 || availableHeight < 0) return;
+
+    $('#videospace').width(availableWidth);
+    $('#videospace').height(availableHeight);
+    $('#largeVideoContainer').width(availableWidth);
+    $('#largeVideoContainer').height(availableHeight);
 
     resizeThumbnails();
 };
 
 function resizeThumbnails() {
-    // Calculate the available height, which is the inner window height minus 39px for the header
-    // minus 2px for the delimiter lines on the top and bottom of the large video,
-    // minus the 36px space inside the remoteVideos container used for highlighting shadow.
-    var availableHeight = window.innerHeight - $('#largeVideo').height() - 59;
+    // Calculate the available height, which is the inner window height minus
+    // 39px for the header minus 2px for the delimiter lines on the top and
+    // bottom of the large video, minus the 36px space inside the remoteVideos
+    // container used for highlighting shadow.
+    var availableHeight = 100;
+
     var numvids = $('#remoteVideos>span:visible').length;
 
     // Remove the 1px borders arround videos and the chat width.
@@ -951,9 +942,10 @@ $(document).ready(function () {
     // Set the defaults for prompt dialogs.
     jQuery.prompt.setDefaults({persistent: false});
 
-    resizeLarge();
+    resizeLargeVideoContainer();
     $(window).resize(function () {
-        resizeLarge();
+        resizeLargeVideoContainer();
+        positionLarge();
     });
     if (!$('#settings').is(':visible')) {
         console.log('init');
@@ -1035,14 +1027,14 @@ function dump(elem, filename){
     return false;
 }
 
-/*
+/**
  * Changes the style class of the element given by id.
  */
 function buttonClick(id, classname) {
     $(id).toggleClass(classname); // add the class to the clicked element
 }
 
-/*
+/**
  * Opens the lock room dialog.
  */
 function openLockDialog() {
@@ -1103,7 +1095,7 @@ function openLockDialog() {
     }
 }
 
-/*
+/**
  * Opens the invite link dialog.
  */
 function openLinkDialog() {
@@ -1119,7 +1111,7 @@ function openLinkDialog() {
              });
 }
 
-/*
+/**
  * Opens the settings dialog.
  */
 function openSettingsDialog() {
@@ -1160,110 +1152,7 @@ function openSettingsDialog() {
              });
 }
 
-/*
- * Opens the Prezi dialog, from which the user could choose a presentation to load.
- */
-function openPreziDialog() {
-    var myprezi = connection.emuc.getPrezi(connection.emuc.myroomjid);
-    if (myprezi) {
-        $.prompt("Are you sure you would like to remove your Prezi?",
-                {
-                title: "Remove Prezi",
-                buttons: { "Remove": true, "Cancel": false},
-                defaultButton: 1,
-                submit: function(e,v,m,f){
-                if(v)
-                {
-                    connection.emuc.removePreziFromPresence();
-                    connection.emuc.sendPresence();
-                }
-            }
-        });
-    }
-    else if (preziPlayer !== null) {
-        $.prompt("Another participant is already sharing a Prezi." +
-                "This conference allows only one Prezi at a time.",
-                 {
-                 title: "Share a Prezi",
-                 buttons: { "Ok": true},
-                 defaultButton: 0,
-                 submit: function(e,v,m,f){
-                    $.prompt.close();
-                 }
-                 });
-    }
-    else {
-        var openPreziState = {
-        state0: {
-            html:   '<h2>Share a Prezi</h2>' +
-                    '<input id="preziUrl" type="text" placeholder="e.g. http://prezi.com/wz7vhjycl7e6/my-prezi" autofocus>',
-            persistent: false,
-            buttons: { "Share": true , "Cancel": false},
-            defaultButton: 1,
-            submit: function(e,v,m,f){
-                e.preventDefault();
-                if(v)
-                {
-                    var preziUrl = document.getElementById('preziUrl');
-
-                    if (preziUrl.value)
-                    {
-                        var urlValue
-                            = encodeURI(Util.escapeHtml(preziUrl.value));
-
-                        if (urlValue.indexOf('http://prezi.com/') !== 0
-                            && urlValue.indexOf('https://prezi.com/') !== 0)
-                        {
-                            $.prompt.goToState('state1');
-                            return false;
-                        }
-                        else {
-                            var presIdTmp = urlValue.substring(urlValue.indexOf("prezi.com/") + 10);
-                            if (!Util.isAlphanumeric(presIdTmp)
-                                    || presIdTmp.indexOf('/') < 2) {
-                                $.prompt.goToState('state1');
-                                return false;
-                            }
-                            else {
-                                connection.emuc.addPreziToPresence(urlValue, 0);
-                                connection.emuc.sendPresence();
-                                $.prompt.close();
-                            }
-                        }
-                    }
-                }
-                else
-                    $.prompt.close();
-            }
-        },
-        state1: {
-            html:   '<h2>Share a Prezi</h2>' +
-                    'Please provide a correct prezi link.',
-            persistent: false,
-            buttons: { "Back": true, "Cancel": false },
-            defaultButton: 1,
-            submit:function(e,v,m,f) {
-                e.preventDefault();
-                if (v === 0)
-                    $.prompt.close();
-                else
-                    $.prompt.goToState('state0');
-            }
-        }
-        };
-
-        var myPrompt = jQuery.prompt(openPreziState);
-
-        myPrompt.on('impromptu:loaded', function(e) {
-                    document.getElementById('preziUrl').focus();
-                    });
-        myPrompt.on('impromptu:statechanged', function(e) {
-                    document.getElementById('preziUrl').focus();
-                    });
-    }
-}
-
-/*
+/**
  * Locks / unlocks the room.
  */
 function lockRoom(lock) {
@@ -1275,26 +1164,59 @@ function lockRoom(lock) {
     updateLockButton();
 }
 
-/*
+/**
  * Sets the shared key.
  */
 function setSharedKey(sKey) {
     sharedKey = sKey;
 }
 
-/*
+/**
  * Updates the lock button state.
  */
 function updateLockButton() {
-    buttonClick("#lockIcon", "fa fa-unlock fa-lg fa fa-lock fa-lg");
+    buttonClick("#lockIcon", "icon-security icon-security-locked");
 }
 
-/*
+/**
+ * Hides the toolbar.
+ */
+var hideToolbar = function() {
+
+    var isToolbarHover = false;
+    $('#header').find('*').each(function(){
+        var id = $(this).attr('id');
+        if ($("#" + id + ":hover").length > 0) {
+            isToolbarHover = true;
+        }
+    });
+
+    clearTimeout(toolbarTimeout);
+    toolbarTimeout = null;
+
+    if (!isToolbarHover) {
+        $('#header').hide("slide", { direction: "up", duration: 300});
+    }
+    else {
+        toolbarTimeout = setTimeout(hideToolbar, 2000);
+    }
+};
+
+/**
  * Shows the call main toolbar.
  */
 function showToolbar() {
-    $('#toolbar').css({visibility:"visible"});
-    if (focus !== null)
+    if (!$('#header').is(':visible')) {
+        $('#header').show("slide", { direction: "up", duration: 300});
+
+        if (toolbarTimeout) {
+            clearTimeout(toolbarTimeout);
+            toolbarTimeout = null;
+        }
+        toolbarTimeout = setTimeout(hideToolbar, 2000);
+    }
+
+    if (focus != null)
     {
 //        TODO: Enable settings functionality. Need to uncomment the settings button in index.html.
 //        $('#settingsButton').css({visibility:"visible"});
@@ -1303,14 +1225,39 @@ function showToolbar() {
     setDesktopSharing(config.desktopSharing);
 }
 
-/*
+/**
+ * Docks/undocks the toolbar.
+ *
+ * @param isDock indicates what operation to perform
+ */
+function dockToolbar(isDock) {
+    if (isDock) {
+        // First make sure the toolbar is shown.
+        if (!$('#header').is(':visible')) {
+            showToolbar();
+        }
+        // Then clear the time out, to dock the toolbar.
+        clearTimeout(toolbarTimeout);
+        toolbarTimeout = null;
+    }
+    else {
+        if (!$('#header').is(':visible')) {
+            showToolbar();
+        }
+        else {
+            toolbarTimeout = setTimeout(hideToolbar, 2000);
+        }
+    }
+}
+
+/**
  * Updates the room invite url.
  */
 function updateRoomUrl(newRoomUrl) {
     roomUrl = newRoomUrl;
 }
 
-/*
+/**
  * Warning to the user that the conference window is about to be closed.
  */
 function closePageWarning() {
@@ -1320,7 +1267,7 @@ function closePageWarning() {
         return "You are about to leave this conversation.";
 }
 
-/*
+/**
  * Shows a visual indicator for the focus of the conference.
  * Currently if we're not the owner of the conference we obtain the focus
  * from the connection.jingle.sessions.
@@ -1385,21 +1332,17 @@ function toggleFullScreen() {
 
         //Enter Full Screen
         if (fsElement.mozRequestFullScreen) {
-
             fsElement.mozRequestFullScreen();
         }
         else {
             fsElement.webkitRequestFullScreen(Element.ALLOW_KEYBOARD_INPUT);
         }
-
     } else {
-
         //Exit Full Screen
         if (document.mozCancelFullScreen) {
             document.mozCancelFullScreen();
         } else {
             document.webkitCancelFullScreen();
-            document.webkitCancelFullScreen();
         }
     }
 }
@@ -1493,6 +1436,11 @@ function showDisplayName(videoSpanId, displayName) {
     }
 }
 
+/**
+ * Creates the edit display name button.
+ * 
+ * @returns the edit button
+ */
 function createEditDisplayNameButton() {
     var editButton = document.createElement('a');
     editButton.className = 'displayname';
@@ -1500,3 +1448,36 @@ function createEditDisplayNameButton() {
 
     return editButton;
 }
+
+/**
+ * Resizes and repositions videos in full screen mode.
+ */
+$(document).on('webkitfullscreenchange mozfullscreenchange fullscreenchange',
+        function() {
+            resizeLargeVideoContainer();
+            positionLarge();
+            isFullScreen = document.fullScreen
+                                || document.mozFullScreen
+                                || document.webkitIsFullScreen;
+
+            if (isFullScreen) {
+                setView("fullscreen");
+            }
+            else {
+                setView("default");
+            }
+});
+
+/**
+ * Sets the current view.
+ */
+function setView(viewName) {
+//    if (viewName == "fullscreen") {
+//        document.getElementById('videolayout_fullscreen').disabled  = false;
+//        document.getElementById('videolayout_default').disabled  = true;
+//    }
+//    else {
+//        document.getElementById('videolayout_default').disabled  = false;
+//        document.getElementById('videolayout_fullscreen').disabled  = true;
+//    }
+}

chat.js

@@ -96,31 +96,78 @@ var Chat = (function (my) {
         var chatspace = $('#chatspace');
         var videospace = $('#videospace');
 
-        var onShow = function () {
-            resizeLarge();
-            $('#chatspace').show("slide", { direction: "right", duration: 500});
-        };
-        var onHide = function () {
-            $('#chatspace').hide("slide", { direction: "right", duration: 500});
-            resizeLarge();
-        };
+        var chatSize = (chatspace.is(":visible")) ? [0, 0] : Chat.getChatSize();
+        var videospaceWidth = window.innerWidth - chatSize[0];
+        var videospaceHeight = window.innerHeight;
+        var videoSize
+            = getVideoSize(null, null, videospaceWidth, videospaceHeight);
+        var videoWidth = videoSize[0];
+        var videoHeight = videoSize[1];
+        var videoPosition = getVideoPosition(   videoWidth,
+                                                videoHeight,
+                                                videospaceWidth,
+                                                videospaceHeight);
+        var horizontalIndent = videoPosition[0];
+        var verticalIndent = videoPosition[1];
 
         if (chatspace.is(":visible")) {
-            videospace.animate( {right: 0},
+            videospace.animate( {right: chatSize[0],
+                                width: videospaceWidth,
+                                height: videospaceHeight},
                                 {queue: false,
-                                duration: 500,
-                                progress: onHide});
+                                duration: 500});
+
+            $('#largeVideoContainer').animate({ width: videospaceWidth,
+                                                height: videospaceHeight},
+                                                {queue: false,
+                                                 duration: 500
+                                                });
+
+            $('#largeVideo').animate({  width: videoWidth,
+                                        height: videoHeight,
+                                        top: verticalIndent,
+                                        bottom: verticalIndent,
+                                        left: horizontalIndent,
+                                        right: horizontalIndent},
+                                        {   queue: false,
+                                            duration: 500
+                                        });
+
+            $('#chatspace').hide("slide", { direction: "right",
+                                            queue: false,
+                                            duration: 500});
         }
         else {
-            videospace.animate({right: chatspace.width()},
+            videospace.animate({right: chatSize[0],
+                                width: videospaceWidth,
+                                height: videospaceHeight},
                                {queue: false,
                                 duration: 500,
-                                progress: onShow,
                                 complete: function() {
                                     scrollChatToBottom();
                                     chatspace.trigger('shown');
                                 }
                                });
+
+            $('#largeVideoContainer').animate({ width: videospaceWidth,
+                                                height: videospaceHeight},
+                                                {queue: false,
+                                                 duration: 500
+                                                });
+
+            $('#largeVideo').animate({  width: videoWidth,
+                                        height: videoHeight,
+                                        top: verticalIndent,
+                                        bottom: verticalIndent,
+                                        left: horizontalIndent,
+                                        right: horizontalIndent},
+                                        {queue: false,
+                                         duration: 500
+                                        });
+
+            $('#chatspace').show("slide", { direction: "right",
+                                            queue: false,
+                                            duration: 500});
         }
 
         // Request the focus in the nickname field or the chat input field.
@@ -147,6 +194,18 @@ var Chat = (function (my) {
      * Resizes the chat area.
      */
     my.resizeChat = function () {
+        var chatSize = Chat.getChatSize();
+
+        $('#chatspace').width(chatSize[0]);
+        $('#chatspace').height(chatSize[1]);
+
+        resizeChatConversation();
+    };
+
+    /**
+     * Returns the size of the chat.
+     */
+    my.getChatSize = function() {
         var availableHeight = window.innerHeight;
         var availableWidth = window.innerWidth;
 
@@ -154,10 +213,7 @@ var Chat = (function (my) {
         if (availableWidth*0.2 < 200)
             chatWidth = availableWidth*0.2;
 
-        $('#chatspace').width(chatWidth);
-        $('#chatspace').height(availableHeight - 40);
-
-        resizeChatConversation();
+        return [chatWidth, availableHeight];
     };
 
     /**
@@ -168,10 +224,11 @@ var Chat = (function (my) {
         var usermsgHeight = usermsgStyleHeight
             .substring(0, usermsgStyleHeight.indexOf('px'));
 
+        $('#usermsg').width($('#chatspace').width() - 10);
         $('#chatconversation').width($('#chatspace').width() - 10);
         $('#chatconversation')
-            .height(window.innerHeight - 50 - parseInt(usermsgHeight));
-    }
+            .height(window.innerHeight - 10 - parseInt(usermsgHeight));
+    };
 
     /**
      * Shows/hides a visual notification, indicating that a message has arrived.
@@ -179,25 +236,35 @@ var Chat = (function (my) {
     function setVisualNotification(show) {
         var unreadMsgElement = document.getElementById('unreadMessages');
 
+        var glower = $('#chatButton');
+
         if (unreadMessages) {
             unreadMsgElement.innerHTML = unreadMessages.toString();
 
+            showToolbar();
+
             var chatButtonElement
-                = document.getElementById('chat').parentNode;
+                = document.getElementById('chatButton').parentNode;
             var leftIndent = (Util.getTextWidth(chatButtonElement)
-                                - Util.getTextWidth(unreadMsgElement) - 5)/2;
+                                - Util.getTextWidth(unreadMsgElement))/2;
             var topIndent = (Util.getTextHeight(chatButtonElement)
-                                - Util.getTextHeight(unreadMsgElement))/2 - 2;
+                                - Util.getTextHeight(unreadMsgElement))/2 - 3;
 
             unreadMsgElement.setAttribute(
                     'style',
                     'top:' + topIndent
                      + '; left:' + leftIndent +';');
+
+            if (!glower.hasClass('icon-chat-simple')) {
+                glower.removeClass('icon-chat');
+                glower.addClass('icon-chat-simple');
+            }
         }
-        else
+        else {
             unreadMsgElement.innerHTML = '';
-
-        var glower = $('#chat');
+            glower.removeClass('icon-chat-simple');
+            glower.addClass('icon-chat');
+        }
 
         if (show && !notificationInterval) {
             notificationInterval = window.setInterval(function() {

css/font.css

@@ -0,0 +1,71 @@
+@font-face {
+    font-family: 'jitsi';
+    src:url('../fonts/jitsi.eot?94d075');
+    src:url('../fonts/jitsi.eot?#iefix94d075') format('embedded-opentype'),
+        url('../fonts/jitsi.woff?94d075') format('woff'),
+        url('../fonts/jitsi.ttf?94d075') format('truetype'),
+        url('../fonts/jitsi.svg?94d075#jitsi') format('svg');
+    font-weight: normal;
+    font-style: normal;
+}
+
+[class^="icon-"], [class*=" icon-"] {
+    font-family: 'jitsi';
+    speak: none;
+    font-style: normal;
+    font-weight: normal;
+    font-variant: normal;
+    text-transform: none;
+    line-height: 0.75em;
+    font-size: 1.22em;
+
+    /* Better Font Rendering =========== */
+    -webkit-font-smoothing: antialiased;
+    -moz-osx-font-smoothing: grayscale;
+}
+
+.icon-share-desktop:before {
+	content: "\e602";
+}
+.icon-chat-simple:before {
+	content: "\e606";
+}
+.icon-full-screen:before {
+	content: "\e60d";
+}
+.icon-exit-full-screen:before {
+	content: "\e60e";
+}
+.icon-prezi:before {
+	content: "\e60c";
+}
+.icon-link:before {
+	content: "\e600";
+}
+.icon-chat:before {
+	content: "\e601";
+}
+.icon-presentation:before {
+	content: "\e603";
+}
+.icon-security:before {
+	content: "\e604";
+}
+.icon-share-doc:before {
+	content: "\e605";
+}
+.icon-security-locked:before {
+	content: "\e607";
+}
+.icon-camera:before {
+	content: "\e608";
+}
+.icon-camera-disabled:before {
+	content: "\e609";
+}
+.icon-mic-disabled:before {
+	content: "\e60a";
+}
+.icon-microphone:before {
+	content: "\e60b";
+}

css/main.css

@@ -4,99 +4,15 @@ html, body{
     color: #424242;
     font-family:'Helvetica Neue', Helvetica, sans-serif;
     font-weight: 400;
-    background: #e9e9e9;
+    background: #000000;
     overflow-x: hidden;
 }
 
-#videospace {
-    display: block;
-    position: absolute;
-    top: 39px;
-    left: 0px;
-    right: 0px;
-    float: left;
-}
-
-.videocontainer {
-    position: relative;
-    margin-left: auto;
-    margin-right: auto;
-}
-#presentation, #etherpad, .videocontainer>video {
-    position: absolute;
-    left: 0px;
-    top: 0px;
-    z-index: 1;
-    width: 100%;
-    height: 100%;
-}
-
-#etherpad {
-    z-index: 0;
-}
-
-#etherpadButton {
-    display: none;
-}
-
-.videocontainer>span {
-    display: none; /* enable when you want nicks to be shown */
-    position: absolute;
-    left: 0px;
-    bottom: -20px;
-    z-index: 0;
-    width: 100%;
-    font-size: 10pt;
-}
-
-.flipVideoX {
-    -moz-transform: scaleX(-1);
-    -webkit-transform: scaleX(-1);
-    -o-transform: scaleX(-1);
-    transform: scaleX(-1);
-}
-
-#remoteVideos {
-    display:block;
-    position:relative;
-    text-align:center;
-    height:196px;
-    padding: 5px 0px;
-    width:auto;
-    overflow: hidden;
-    border:1px solid transparent;
-    z-index: 2;
-}
-
-#remoteVideos>span {
-    display: inline-block;
-    z-index:0;
-    border:1px solid #FFFFFF;
-    background-image:url(../images/avatar1.png);
-    background-size: contain;
-}
-
-#remoteVideos>span:hover {
-    cursor: pointer;
-    cursor: hand;
-    transform:scale(1.08, 1.08);
-    -webkit-transform:scale(1.08, 1.08);
-    transition-duration: 0.5s;
-    -webkit-transition-duration: 0.5s;
-    background-color: #FFFFFF;
-    -webkit-animation-name: greyPulse;
-    -webkit-animation-duration: 2s;
-    -webkit-animation-iteration-count: 1;
-    -webkit-box-shadow: 0 0 18px #515151;
-    border:1px solid #FFFFFF;
-    z-index: 10;
-}
-
 #chatspace {
     display:none;
     position:absolute;
     float: right;
-    top: 40px;
+    top: 0px;
     bottom: 0px;
     right: 0px;
     width: 20%;
@@ -105,9 +21,11 @@ html, body{
     /* background-color:#dfebf1;*/
     background-color:#FFFFFF;
     border-left:1px solid #424242;
+    z-index: 5;
 }
 
 #chatconversation {
+    visibility: hidden;
     position: relative;
     top: 5px;
     padding: 5px;
@@ -119,7 +37,6 @@ html, body{
     overflow-y: scroll;
     overflow-x: hidden;
     word-wrap: break-word;
-    visibility: hidden;
 }
 
 .localuser {
@@ -131,20 +48,20 @@ html, body{
 }
 
 #usermsg {
+    visibility:hidden;
     position: relative;
     width: 100%;
     height: 5%;
     padding: 5px;
-    z-index: 5;
     max-height:150px;
     min-height:50px;
-    visibility:hidden;
     border: 0px none;
     border-top: 1px solid #cccccc;
     background: #FFFFFF;
     box-shadow: none;
     border-radius:0;
     font-size: 10pt;
+    overflow: hidden;
 }
 
 #usermsg: hover {
@@ -169,10 +86,6 @@ html, body{
     font-size: 14;
 }
 
-#spacer {
-    height:5px;
-}
-
 #settings {
     display:none;
 }
@@ -181,47 +94,6 @@ html, body{
     display:none;
 }
 
-#header{
-    display:block;
-    height:39px;
-    text-align:center;
-    background-color: #2591e5;
-}
-
-#left {
-    display:block;
-    position: absolute;
-    left: 0px;
-    top: 0px;
-    width: 100px;
-    height: 39px;
-    background-image:url(../images/left1.png);
-    background-repeat:no-repeat;
-    margin: 0;
-    padding: 0;
-}
-
-#leftlogo {
-    position:absolute;
-    top: 5px;
-    left: 15px;
-    background-image:url(../images/jitsilogo.png);
-    background-repeat:no-repeat;
-    height: 31px;
-    width: 68px;
-    z-index:1;
-}
-
-#toolbar {
-    display:block;
-    position:relative;
-    height:39px;
-    width:auto;
-    overflow: hidden;
-    z-index:0;
-    visibility: hidden;
-}
-
 #settingsButton {
     visibility: hidden;
 }
@@ -254,18 +126,16 @@ html, body{
     cursor: pointer;
 }
 
-#chat {
-    font-size:1.65em;
+#chatButton {
     -webkit-transition: all .5s ease-in-out;;
        -moz-transition: all .5s ease-in-out;;
             transition: all .5s ease-in-out;;
 }
 
-#chat.active {
+#chatButton.active {
     -webkit-text-shadow: 0 0 10px #ffffff;
     -moz-text-shadow: 0 0 10px #ffffff;
     text-shadow: 0 0 10px #ffffff;
-    /* -webkit-transform: scale(1.1); */
 }
 
 a.button:hover {
@@ -282,44 +152,13 @@ a.button:hover {
     color: #636363;
 }
 
-.fade_line {
-    height: 1px;
-    background: black;
-    background: -webkit-gradient(linear, 0 0, 100% 0, from(#e9e9e9), to(#e9e9e9), color-stop(50%, black));
-}
-
 .header_button_separator {
     display: inline-block;
     position:relative;
-    top: 7;
+    top: 5;
     width: 1px;
-    height: 25px;
-    background: white;
-    background: -webkit-gradient(linear, 0 0, 0 100%, from(#087dba), to(#087dba), color-stop(50%, white));
-}
-
-#right {
-    display:block;
-    position:absolute;
-    right: 0px;
-    top: 0px;
-    background-image:url(../images/right1.png);
-    background-repeat:no-repeat;
-    margin:0;
-    padding:0;
-    width:100px;
-    height:39px;
-}
-
-#rightlogo {
-    position:absolute;
-    top: 6px;
-    right: 15px;
-    background-image:url(../images/estoslogo.png);
-    background-repeat:no-repeat;
-    height: 25px;
-    width: 62px;
-    z-index:1;
+    height: 20px;
+    background: #676767;
 }
 
 input[type='text'], textarea {
@@ -387,70 +226,3 @@ form {
     overflow: visible;
     z-index: 100;
 }
-
-.videocontainer>span.focusindicator {
-    display: inline-block;
-    position: absolute;
-    color: #FFFFFF;
-    top: 0;
-    padding: 5px 0px;
-    width: 25px;
-    font-size: 11pt;
-    text-shadow: 0px 1px 0px rgba(255,255,255,.3), 0px -1px 0px rgba(0,0,0,.7);
-    border: 0px;
-    z-index: 2;
-}
-
-.videocontainer>span.displayname,
-.videocontainer>input.displayname {
-    display: inline-block;
-    position: absolute;
-    background: -webkit-linear-gradient(left, rgba(0,0,0,.7), rgba(0,0,0,0));
-    color: #b7b7b7;
-    bottom: 0;
-    left: 0;
-    padding: 3px 5px;
-    width: 100%;
-    height: auto;
-    max-height: 18px;
-    font-size: 9pt;
-    text-align: left;
-    text-overflow: ellipsis;
-    overflow: hidden;
-    white-space: nowrap;
-    z-index: 2;
-    box-sizing: border-box;
-}
-
-#localVideoContainer>span.displayname:hover {
-    cursor: text;
-}
-
-.videocontainer>a.displayname {
-    display: inline-block;
-    position: absolute;
-    color: #b7b7b7;
-    bottom: 0;
-    right: 0;
-    padding: 3px 5px;
-    font-size: 9pt;
-    cursor: pointer;
-    z-index: 2;
-}
-
-#reloadPresentation {
-    display: none;
-    position: absolute;
-    color: #FFFFFF;
-    top: 0;
-    right: 0;
-    padding: 10px 10px;
-    font-size: 11pt;
-    cursor: pointer;
-    background: rgba(0, 0, 0, 0.3);
-    border-radius: 5px;
-    background-clip: padding-box;
-    -webkit-border-radius: 5px;
-    -webkit-background-clip: padding-box;
-    z-index: 3;
-}

css/videolayout_default.css

@@ -0,0 +1,226 @@
+#videospace {
+    display: block;
+    position: absolute;
+    top: 0px;
+    left: 0px;
+    right: 0px;
+}
+
+#remoteVideos {
+    display:block;
+    position:absolute;
+    text-align:right;
+    height:196px;
+    padding: 18px;
+    bottom: 0;
+    left: 0;
+    right: 0;
+    width:auto;
+    overflow: hidden;
+    border:1px solid transparent;
+    z-index: 2;
+}
+
+.videocontainer {
+    position: relative;
+    margin-left: auto;
+    margin-right: auto;
+}
+
+#remoteVideos .videocontainer {
+    display: inline-block;
+    background-image:url(../images/avatar1.png);
+    background-size: contain;
+    border-radius:8px;
+    border: 2px solid #212425;
+}
+
+#remoteVideos .videocontainer:hover {
+    width: 100%;
+    height: 100%;
+    content:"";
+    cursor: pointer;
+    cursor: hand;
+    transform:scale(1.08, 1.08);
+    -webkit-transform:scale(1.08, 1.08);
+    transition-duration: 0.5s;
+    -webkit-transition-duration: 0.5s;
+    -webkit-animation-name: greyPulse;
+    -webkit-animation-duration: 2s;
+    -webkit-animation-iteration-count: 1;
+    -webkit-box-shadow: 0 0 18px #388396;
+    border: 2px solid #388396;
+    z-index: 3;
+}
+
+#localVideoWrapper {
+    display:inline-block;
+    -webkit-mask-box-image: url(http://emcho.com/db/videomask.svg);
+    border-radius:0px !important;
+    border: 0px !important;
+}
+
+#remoteVideos .videocontainer>video {
+    border-radius:6px;
+}
+
+.flipVideoX {
+    transform: scale(-1, 1);
+    -moz-transform: scale(-1, 1);
+    -webkit-transform: scale(-1, 1);
+    -o-transform: scale(-1, 1);
+}
+
+#localVideoWrapper>video {
+    border-radius:0px !important;
+}
+
+#largeVideo,
+#largeVideoContainer {
+    overflow: hidden;
+    text-align: center;
+}
+
+#presentation,
+#etherpad,
+#localVideoWrapper>video,
+#localVideoWrapper,
+.videocontainer>video {
+    position: absolute;
+    left: 0;
+    top: 0;
+    z-index: 1;
+    width: 100%;
+    height: 100%;
+}
+
+#etherpad,
+#presentation {
+    text-align: center;
+}
+
+#etherpad {
+    z-index: 0;
+}
+
+#etherpadButton {
+    display: none;
+}
+
+#remoteVideos .videocontainer>span.focusindicator {
+    display: inline-block;
+    position: absolute;
+    color: #FFFFFF;
+    top: 0;
+    left: 0;
+    padding: 5px 0px;
+    width: 25px;
+    font-size: 11pt;
+    text-shadow: 0px 1px 0px rgba(255,255,255,.3), 0px -1px 0px rgba(0,0,0,.7);
+    border: 0px;
+    z-index: 2;
+}
+
+#remoteVideos .nick {
+    display: none; /* enable when you want nicks to be shown */
+    position: absolute;
+    left: 0px;
+    bottom: -20px;
+    z-index: 0;
+    width: 100%;
+    font-size: 10pt;
+}
+
+.videocontainer>span.displayname,
+.videocontainer>input.displayname {
+    display: inline-block;
+    position: absolute;
+    background: -webkit-linear-gradient(left, rgba(0,0,0,.7), rgba(0,0,0,0));
+    color: #FFFFFF;
+    bottom: 0;
+    left: 0;
+    padding: 3px 5px;
+    width: 100%;
+    height: auto;
+    max-height: 18px;
+    font-size: 9pt;
+    text-align: left;
+    text-overflow: ellipsis;
+    overflow: hidden;
+    white-space: nowrap;
+    z-index: 2;
+    box-sizing: border-box;
+    border-bottom-left-radius:6px;
+    border-bottom-right-radius:6px;
+}
+
+#localVideoContainer>span.displayname:hover {
+    cursor: text;
+}
+
+.videocontainer>a.displayname {
+    display: inline-block;
+    position: absolute;
+    color: #FFFFFF;
+    bottom: 0;
+    right: 0;
+    padding: 3px 5px;
+    font-size: 9pt;
+    cursor: pointer;
+    z-index: 2;
+}
+
+#reloadPresentation {
+    display: none;
+    position: absolute;
+    color: #FFFFFF;
+    top: 0;
+    right:0;
+    padding: 10px 10px;
+    font-size: 11pt;
+    cursor: pointer;
+    background: rgba(0, 0, 0, 0.3);
+    border-radius: 5px;
+    background-clip: padding-box;
+    -webkit-border-radius: 5px;
+    -webkit-background-clip: padding-box;
+    z-index: 20; /*The reload button should appear on top of the header!*/
+}
+
+#header{
+    display:none;
+    position:absolute;
+    height:39px;
+    text-align:center;
+    top:0;
+    left:0;
+    right:0;
+    z-index:10;
+}
+
+#toolbar {
+    display:inline-block;
+    position:relative;
+    margin-left:auto;
+    margin-right:auto;
+    height:39px;
+    width:auto;
+    overflow: hidden;
+    background: linear-gradient(to bottom, rgba(103,103,103,.65) , rgba(0,0,0,.65));
+    -webkit-box-shadow: 0 0 2px #000000, 0 0 10px #000000;
+    border-bottom-left-radius: 12px;
+    border-bottom-right-radius: 12px;
+}
+
+#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;
+}

etherpad.js

@@ -33,21 +33,23 @@ var Etherpad = (function (my) {
         if (!etherpadIFrame)
             createIFrame();
 
-        // TODO FIX large video and prezi toggling. Too many calls from different places.
         var largeVideo = null;
-        if (isPresentationVisible())
+        if (Prezi.isPresentationVisible())
             largeVideo = $('#presentation>iframe');
         else
             largeVideo = $('#largeVideo');
 
         if ($('#etherpad>iframe').css('visibility') === 'hidden') {
             largeVideo.fadeOut(300, function () {
-                if (isPresentationVisible())
+                if (Prezi.isPresentationVisible())
                     largeVideo.css({opacity:'0'});
-                else
-                    largeVideo.css({visibility:'hidden'});
+                else {
+                    setLargeVideoVisible(false);
+                    dockToolbar(true);
+                }
 
                 $('#etherpad>iframe').fadeIn(300, function() {
+                    document.body.style.background = '#eeeeee';
                     $('#etherpad>iframe').css({visibility:'visible'});
                     $('#etherpad').css({zIndex:2});
                 });
@@ -57,15 +59,38 @@ var Etherpad = (function (my) {
             $('#etherpad>iframe').fadeOut(300, function () {
                 $('#etherpad>iframe').css({visibility:'hidden'});
                 $('#etherpad').css({zIndex:0});
+                document.body.style.background = 'black';
                 if (!isPresentation) {
                     $('#largeVideo').fadeIn(300, function() {
-                        $('#largeVideo').css({visibility:'visible'});
+                        setLargeVideoVisible(true);
+                        dockToolbar(false);
                     });
                 }
             });
         }
+        resize();
     };
 
+    /**
+     * Resizes the etherpad.
+     */
+    function resize() {
+        if ($('#etherpad>iframe').length) {
+            var remoteVideos = $('#remoteVideos');
+            var availableHeight
+                = window.innerHeight - remoteVideos.outerHeight();
+            var availableWidth = Util.getAvailableVideoWidth();
+
+            var aspectRatio = 16.0 / 9.0;
+            if (availableHeight < availableWidth / aspectRatio) {
+                availableWidth = Math.floor(availableHeight * aspectRatio);
+            }
+
+            $('#etherpad>iframe').width(availableWidth);
+            $('#etherpad>iframe').height(availableHeight);
+        }
+    }
+
     /**
      * Shares the Etherpad name with other participants.
      */
@@ -127,5 +152,12 @@ var Etherpad = (function (my) {
             Etherpad.toggleEtherpad(isPresentation);
     });
 
+    /**
+     * Resizes the etherpad, when the window is resized.
+     */
+    $(window).resize(function () {
+        resize();
+    });
+
     return my;
 }(Etherpad || {}));

fonts/jitsi.svg

@@ -0,0 +1,25 @@
+<?xml version="1.0" standalone="no"?>
+<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd" >
+<svg xmlns="http://www.w3.org/2000/svg">
+<metadata>Generated by IcoMoon</metadata>
+<defs>
+<font id="jitsi" horiz-adv-x="512">
+<font-face units-per-em="512" ascent="480" descent="-32" />
+<missing-glyph horiz-adv-x="512" />
+<glyph unicode="&#x20;" d="" horiz-adv-x="256" />
+<glyph unicode="&#xe600;" d="M162.143 99.956c-13.522-0.146-24.863 7.774-29.852 20.164-1.911 4.822-1.9 9.598-1.865 13.781 0.146 11.159 5.852 18.418 10.793 23.563l176.701 185.143c4.673 4.908 10.599 7.942 18.122 9.315 1.569 0.284 3.145 0.427 4.69 0.443 11.064 0.12 22.613-6.356 27.503-15.401 2.315-4.202 3.714-8.478 4.301-13.042 1.106-8.555-0.829-16.432-5.736-23.433-1.303-1.836-2.858-3.44-4.421-5.014l-158.308-166.022c-6.047-6.321-12.078-12.64-17.983-19.085-6.311-6.825-13.743-10.366-22.099-10.457 0 0.002-1.811 0.046-1.846 0.046zM339.482 168.63c-10.974 0-21.341 4.307-29.194 12.099l-110.512 110.16c-7.819 7.809-12.137 18.148-12.137 29.133 0.016 10.763 4.192 20.82 11.727 28.332l120.504 120.138c7.565 7.526 17.655 11.675 28.437 11.675 10.971 0 21.372-4.306 29.192-12.1l110.494-110.142c15.955-15.98 16.142-41.753 0.411-57.482l-120.487-120.12c-7.568-7.542-17.654-11.693-28.435-11.693zM338.851 229.352l100.377 100.053-90.29 90.057-100.406-100.082 90.319-90.028zM151.84-31.065c-10.987 0-21.341 4.274-29.191 12.070l-110.512 110.188c-7.817 7.793-12.138 18.13-12.138 29.103 0.015 10.777 4.192 20.836 11.727 28.348l120.492 120.137c7.565 7.527 17.667 11.676 28.435 11.676 11.003 0 21.375-4.305 29.209-12.101l110.495-110.158c15.952-15.967 16.143-41.738 0.411-57.45l-120.49-120.154c-7.565-7.512-17.672-11.658-28.438-11.658zM151.227 29.654l100.362 100.038-90.306 90.060-100.389-100.087 90.334-90.012z" horiz-adv-x="501" />
+<glyph unicode="&#xe601;" d="M478.031 481.466h-409.912c-36.518 0-66.245-30.358-66.245-67.658v-270.103c0-37.269 29.727-67.623 66.245-67.623h17.913v-106.471l172.493 106.471h219.506c36.482 0 66.21 30.356 66.21 67.623v270.101c0 37.301-29.728 67.659-66.21 67.659zM248.25 146.943l-97.857-61.998v61.998h-79.13v263.628h403.594l0.032-263.627h-226.639zM119.531 357.777h302.563v-55.31h-302.563v55.31zM119.531 261.238h302.563v-55.308h-302.563v55.308z" horiz-adv-x="544" />
+<glyph unicode="&#xe602;" d="M477.908 480.159h-411.421c-36.651 0-66.487-30.466-66.487-67.922v-271.093c0-37.425 29.836-67.892 66.487-67.892h411.421c36.62 0 66.458 30.467 66.458 67.892v271.093c0 37.457-29.838 67.922-66.458 67.922zM474.755 144.392h-405.113v264.611h405.082l0.031-264.611zM472.61 0.17c0-17.869-14.13-32.33-31.603-32.33h-337.614c-17.475 0-31.605 14.461-31.605 32.33v14.809c0 17.85 14.13 32.329 31.605 32.329h337.614c17.473 0 31.603-14.478 31.603-32.329v-14.809zM388.396 171.217l-151.334 151.303 56.206 56.158 151.273-151.301v-56.159z" horiz-adv-x="545" />
+<glyph unicode="&#xe603;" d="M476.248 477.533h-409.344c-36.405 0-66.091-30.315-66.091-67.581v-375.36c0-37.236 29.686-67.55 66.091-67.55h409.343c36.468 0 66.157 30.313 66.157 67.55v375.361c0.001 37.266-29.689 67.579-66.156 67.579zM473.173 37.825h-403.070v368.911h403.007l0.063-368.911zM342.877 337.272h108.455v-283.379h-108.456v283.379zM214.336 273.001h108.456v-219.108h-108.456v219.108zM86.169 208.73h108.081v-154.839h-108.081v154.839z" horiz-adv-x="544" />
+<glyph unicode="&#xe604;" d="M439.13 482.757c-81.772 0-148.286-66.518-148.286-148.306v-21.876h-224.454c-36.57 0-66.388-30.454-66.388-67.875v-206.384c0-37.389 29.819-67.839 66.388-67.839h282.076c36.632 0 66.459 30.45 66.459 67.839v206.384c0 35.027-26.134 63.948-59.52 67.504v22.247c0 46.183 37.577 83.745 83.726 83.745 46.152 0 83.731-37.56 83.731-83.745v-38.711c0-17.841 14.442-32.282 32.278-32.282 17.845 0 32.284 14.441 32.284 32.282v38.711c-0.001 81.788-66.514 148.306-148.293 148.306z" horiz-adv-x="590" />
+<glyph unicode="&#xe605;" d="M0.759 320.807h138.767v159.899c0 0-39.017-4.051-88.090-55.817-49.069-51.764-50.676-104.082-50.676-104.082zM341.64 480.706h-169.842v-192.298l-171.040 0.125-0.757 1.734v-255.251c0-36.923 30.7-66.99 68.424-66.99h273.217c37.757 0 68.456 30.068 68.456 66.99v378.702c-0.002 36.921-30.699 66.988-68.457 66.988zM345.927 72.582h-286.424v46.394h286.423v-46.394zM345.927 169.401h-286.424v46.392h286.423v-46.392z" horiz-adv-x="410" />
+<glyph unicode="&#xe606;" d="M476.95 481.193h-409.887c-36.483 0-66.209-30.356-66.209-67.672v-270.084c0-37.284 29.727-67.639 66.209-67.639h17.912v-106.445l172.483 106.445h219.493c36.482 0 66.208 30.355 66.208 67.639v270.084c0.001 37.316-29.725 67.672-66.207 67.672zM247.214 146.677l-97.885-62v62h-79.092v263.626h403.539l0.062-263.626h-226.625z" horiz-adv-x="545" />
+<glyph unicode="&#xe607;" d="M354.757 310.047v22.227c0 81.545-66.331 147.875-147.875 147.875-81.546 0-147.876-66.329-147.876-147.875v-22.227c-33.113-3.697-59.007-32.458-59.007-67.304v-205.811c0-37.315 29.741-67.683 66.236-67.683h281.291c36.529 0 66.267 30.368 66.267 67.683v205.811c0 34.848-25.896 63.609-59.037 67.304zM206.882 415.769c46.022 0 83.493-37.472 83.493-83.494v-21.816h-166.989v21.816c0 46.022 37.441 83.494 83.495 83.494z" horiz-adv-x="414" />
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+<glyph unicode="&#xe609;" d="M611.967 358.573l-90.149-87.978v108.924c0 3.831-0.333 7.574-0.951 11.216l36.847 32.673c13.174 11.705 14.42 31.9 2.684 45.12-11.737 13.203-31.902 14.436-45.136 2.7l-504.51-447.356c-13.204-11.705-14.421-31.903-2.699-45.104 6.303-7.118 15.091-10.769 23.925-10.769 7.538 0 15.107 2.652 21.195 8.050l47.92 42.49c10.498-7.313 23.13-11.616 36.796-11.616h317.596c36.55 0 66.33 30.404 66.33 67.769v86.434l96.83-76.978c24.408-17.73 48.383 2.624 48.383 20.292v241.914c0.001 17.653-27.966 35.693-55.062 12.22zM300.757 99.724c-29.405 0-56.283 10.108-77.763 26.899l41.465 36.767c10.431-5.832 22.425-9.193 35.235-9.193 40.267 0 72.916 32.649 72.916 72.918 0 9.71-1.948 18.928-5.428 27.357l43.423 38.501c11.424-19.13 18.006-41.484 18.006-65.391 0-70.607-57.246-127.855-127.853-127.855zM172.899 227.58c0 70.608 57.248 127.857 127.858 127.857 10.75 0 21.038-1.717 30.993-4.214l108.379 96.096h-302.237c-36.569 0-66.349-30.419-66.349-67.799v-259.037l102.947 91.272c-0.654 5.243-1.592 10.426-1.592 15.826z" horiz-adv-x="667" />
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+<glyph unicode="&#xe60b;" d="M429.207 339.972c-18.298 0-33.123-14.826-33.123-33.091v-65.362c0-79.211-58.991-115.298-113.817-115.298-29.337 0-56.309 9.935-75.93 27.98-22.115 20.409-33.848 50.601-33.848 87.32v65.363c0 18.265-14.827 33.091-33.091 33.091-18.265 0-33.091-14.826-33.091-33.091v-65.363c0-97.917 59.747-157.382 129.589-175.52-35.204-17.855-59.588-54.007-59.588-96.216h216.559c0 42.996-25.204 79.81-61.514 97.286 27.539 7.32 53.060 20.063 73.943 38.895 26.025 23.438 57.004 65.963 57.004 135.553v65.363c0 18.265-14.795 33.091-33.092 33.091zM284.286 157.86c-44.794 0-81.23 36.466-81.23 81.26v158.832c0 44.795 36.435 81.23 81.23 81.23 44.796 0 81.262-36.435 81.262-81.23v-158.832c0.002-44.796-36.464-81.26-81.262-81.26z" horiz-adv-x="569" />
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+<glyph unicode="&#xe60e;" d="M476.613 479.59h-410.332c-36.523 0-66.281-30.388-66.281-67.744v-376.262c0-37.324 29.759-67.71 66.281-67.71h410.33c36.553 0 66.312 30.388 66.312 67.711v376.262c0.001 37.356-29.758 67.744-66.311 67.744zM473.497 38.824h-404.039v369.798h404.009l0.031-369.798zM457.769 353.35l-45.897-48.445 38.663-38.661-158.232-42.515 42.5 158.232 37.687-37.67 45.926 48.445zM85.313 94.111l45.897 48.442-38.661 38.663 158.232 42.514-42.499-158.23-37.686 37.671-45.928-48.445z" horiz-adv-x="545" />
+</font></defs></svg>

index.html

@@ -20,10 +20,14 @@
     <script src="chat.js?v=3"></script><!-- chat logic -->
     <script src="util.js?v=2"></script><!-- utility functions -->
     <script src="etherpad.js?v=5"></script><!-- etherpad plugin -->
+    <script src="prezi.js?v=1"></script><!-- prezi plugin -->
     <script src="smileys.js?v=1"></script><!-- smiley images -->
     <script src="replacement.js?v=5"></script><!-- link and smiley replacement -->
     <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=19"/>
+    <link rel="stylesheet" type="text/css" media="screen" href="css/videolayout_default.css?v=1" id="videolayout_default"/>
+    <link rel="stylesheet" type="text/css" media="screen" href="css/videolayout_fullscreen.css?v=1" id="videolayout_fullscreen" disabled>
     <link rel="stylesheet" href="css/jquery-impromptu.css?v=4">
     <link rel="stylesheet" href="css/modaldialog.css?v=3">
     <!--
@@ -39,32 +43,32 @@
         <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", "fa fa-microphone fa-lg fa fa-microphone-slash fa-lg");toggleAudio();'>
-                <i id="mute" title="Mute / unmute" class="fa fa-microphone fa-lg"></i></a>
+            <a class="button" onclick='buttonClick("#mute", "icon-microphone icon-mic-disabled");toggleAudio();'>
+                <i id="mute" title="Mute / unmute" class="icon-microphone"></i></a>
             <div class="header_button_separator"></div>
-            <a class="button" onclick='buttonClick("#video");toggleVideo();'>
-                <i id="video" title="Start / stop camera" class="fa fa-video-camera fa-lg"></i></a>
+            <a class="button" onclick='buttonClick("#video", "icon-camera icon-camera-disabled");toggleVideo();'>
+                <i id="video" title="Start / stop camera" class="icon-camera"></i></a>
             <div class="header_button_separator"></div>
-            <a class="button" onclick="openLockDialog();"><i id="lockIcon" title="Lock/unlock room" class="fa fa-unlock fa-lg"></i></a>
+            <a class="button" onclick="openLockDialog();"><i id="lockIcon" title="Lock/unlock room" class="icon-security"></i></a>
             <div class="header_button_separator"></div>
-            <a class="button" onclick="openLinkDialog();"><i title="Invite others" class="fa fa-link fa-lg"></i></a>
+            <a class="button" onclick="openLinkDialog();"><i title="Invite others" class="icon-link"></i></a>
             <div class="header_button_separator"></div>
             <span class="toolbar_span">
-                <a class="button" onclick='Chat.toggleChat();'><i id="chat" title="Open chat" class="fa fa-comments-o fa-lg"></i></a>
+                <a class="button" onclick='Chat.toggleChat();'><i id="chatButton" title="Open chat" class="icon-chat"></i></a>
                 <span id="unreadMessages"></span>
             </span>
             <div class="header_button_separator"></div>
-            <a class="button" onclick='openPreziDialog();'><i title="Share prezi" class="fa fa-picture-o fa-lg"></i></a>
+            <a class="button" onclick='Prezi.openPreziDialog();'><i title="Share prezi" class="icon-prezi"></i></a>
             <span id="etherpadButton">
                 <div class="header_button_separator"></div>
-                <a class="button" onclick='Etherpad.toggleEtherpad(0);'><i title="Open shared document" class="fa fa-file-text fa-lg"></i></a>
+                <a class="button" onclick='Etherpad.toggleEtherpad(0);'><i title="Open shared document" class="icon-share-doc"></i></a>
             </span>
             <div class="header_button_separator"></div>
             <span id="desktopsharing" style="display: none">
-                <a class="button" onclick="toggleScreenSharing();"><i title="Share screen" class="fa fa-desktop fa-lg"></i></a>
+                <a class="button" onclick="toggleScreenSharing();"><i title="Share screen" class="icon-share-desktop"></i></a>
                 <div class="header_button_separator"></div>
             </span>
-            <a class="button" onclick='toggleFullScreen();'><i title="Enter / Exit Full Screen" class="fa fa-arrows-alt fa-lg"></i></a>
+            <a class="button" onclick='buttonClick("#fullScreen", "icon-full-screen icon-exit-full-screen");toggleFullScreen();'><i id="fullScreen" title="Enter / Exit Full Screen" class="icon-full-screen"></i></a>
         </span>
     </div>
     <div id="settings">
@@ -76,20 +80,20 @@
         <input id="connect" type="submit" value="Connect" />
       </form>
     </div>
-
-    <div id="videospace">
-        <div class="fade_line"></div>
+    <div id="reloadPresentation"><a onclick='Prezi.reloadPresentation();'><i title="Reload Prezi" class="fa fa-repeat fa-lg"></i></a></div>
+    <div id="videospace" onmousemove="showToolbar();">
         <div id="largeVideoContainer" class="videocontainer">
-            <div id="reloadPresentation"><a onclick='reloadPresentation();'><i title="Reload Prezi" class="fa fa-repeat fa-lg"></i></a></div>
             <div id="presentation"></div>
             <div id="etherpad"></div>
+            <a href="http://jitsi.org" target="_new"><div id="watermark"></div></a>
             <video id="largeVideo" autoplay oncontextmenu="return false;"></video>
         </div>
-        <div class="fade_line"></div>
         <div id="remoteVideos">
             <span id="localVideoContainer" class="videocontainer">
-                <span id="localNick"></span>
-                <!--<video id="localVideo" autoplay oncontextmenu="return false;" muted></video> - is now per stream generated -->
+                <span id="localNick" class="nick"></span>
+                <span id="localVideoWrapper">
+                    <!--<video id="localVideo" autoplay oncontextmenu="return false;" muted></video> - is now per stream generated -->
+                </span>
                 <audio id="localAudio" autoplay oncontextmenu="return false;" muted></audio>
                 <span class="focusindicator"></span>
             </span>

prezi.js

@@ -0,0 +1,333 @@
+var Prezi = (function (my) {
+    var preziPlayer = null;
+
+    /**
+     * Reloads the current presentation.
+     */
+    my.reloadPresentation = function() {
+        var iframe = document.getElementById(preziPlayer.options.preziId);
+        iframe.src = iframe.src;
+    };
+
+    /**
+     * Shows/hides a presentation.
+     */
+    my.setPresentationVisible = function (visible) {
+        if (visible) {
+            // Trigger the video.selected event to indicate a change in the
+            // large video.
+            $(document).trigger("video.selected", [true]);
+
+            $('#largeVideo').fadeOut(300, function () {
+                setLargeVideoVisible(false);
+                $('#presentation>iframe').fadeIn(300, function() {
+                    $('#presentation>iframe').css({opacity:'1'});
+                    dockToolbar(true);
+                });
+            });
+        }
+        else {
+            if ($('#presentation>iframe').css('opacity') == '1') {
+                $('#presentation>iframe').fadeOut(300, function () {
+                    $('#presentation>iframe').css({opacity:'0'});
+                    $('#reloadPresentation').css({display:'none'});
+                    $('#largeVideo').fadeIn(300, function() {
+                        setLargeVideoVisible(true);
+                        dockToolbar(false);
+                    });
+                });
+            }
+        }
+    };
+
+    /**
+     * Returns <tt>true</tt> if the presentation is visible, <tt>false</tt> -
+     * otherwise.
+     */
+    my.isPresentationVisible = function () {
+        return ($('#presentation>iframe') != null
+                && $('#presentation>iframe').css('opacity') == 1);
+    };
+
+    /**
+     * Opens the Prezi dialog, from which the user could choose a presentation
+     * to load.
+     */
+    my.openPreziDialog = function() {
+        var myprezi = connection.emuc.getPrezi(connection.emuc.myroomjid);
+        if (myprezi) {
+            $.prompt("Are you sure you would like to remove your Prezi?",
+                    {
+                    title: "Remove Prezi",
+                    buttons: { "Remove": true, "Cancel": false},
+                    defaultButton: 1,
+                    submit: function(e,v,m,f){
+                    if(v)
+                    {
+                        connection.emuc.removePreziFromPresence();
+                        connection.emuc.sendPresence();
+                    }
+                }
+            });
+        }
+        else if (preziPlayer != null) {
+            $.prompt("Another participant is already sharing a Prezi." +
+                    "This conference allows only one Prezi at a time.",
+                     {
+                     title: "Share a Prezi",
+                     buttons: { "Ok": true},
+                     defaultButton: 0,
+                     submit: function(e,v,m,f){
+                        $.prompt.close();
+                     }
+                     });
+        }
+        else {
+            var openPreziState = {
+            state0: {
+                html:   '<h2>Share a Prezi</h2>' +
+                        '<input id="preziUrl" type="text" ' +
+                        'placeholder="e.g. ' +
+                        'http://prezi.com/wz7vhjycl7e6/my-prezi" autofocus>',
+                persistent: false,
+                buttons: { "Share": true , "Cancel": false},
+                defaultButton: 1,
+                submit: function(e,v,m,f){
+                    e.preventDefault();
+                    if(v)
+                    {
+                        var preziUrl = document.getElementById('preziUrl');
+
+                        if (preziUrl.value)
+                        {
+                            var urlValue
+                                = encodeURI(Util.escapeHtml(preziUrl.value));
+
+                            if (urlValue.indexOf('http://prezi.com/') != 0
+                                && urlValue.indexOf('https://prezi.com/') != 0)
+                            {
+                                $.prompt.goToState('state1');
+                                return false;
+                            }
+                            else {
+                                var presIdTmp = urlValue.substring(
+                                        urlValue.indexOf("prezi.com/") + 10);
+                                if (!Util.isAlphanumeric(presIdTmp)
+                                        || presIdTmp.indexOf('/') < 2) {
+                                    $.prompt.goToState('state1');
+                                    return false;
+                                }
+                                else {
+                                    connection.emuc
+                                        .addPreziToPresence(urlValue, 0);
+                                    connection.emuc.sendPresence();
+                                    $.prompt.close();
+                                }
+                            }
+                        }
+                    }
+                    else
+                        $.prompt.close();
+                }
+            },
+            state1: {
+                html:   '<h2>Share a Prezi</h2>' +
+                        'Please provide a correct prezi link.',
+                persistent: false,
+                buttons: { "Back": true, "Cancel": false },
+                defaultButton: 1,
+                submit:function(e,v,m,f) {
+                    e.preventDefault();
+                    if(v==0)
+                        $.prompt.close();
+                    else
+                        $.prompt.goToState('state0');
+                }
+            }
+            };
+
+            var myPrompt = jQuery.prompt(openPreziState);
+
+            myPrompt.on('impromptu:loaded', function(e) {
+                        document.getElementById('preziUrl').focus();
+                        });
+            myPrompt.on('impromptu:statechanged', function(e) {
+                        document.getElementById('preziUrl').focus();
+                        });
+        }
+    };
+
+    /**
+     * A new presentation has been added.
+     * 
+     * @param event the event indicating the add of a presentation
+     * @param jid the jid from which the presentation was added
+     * @param presUrl url of the presentation
+     * @param currentSlide the current slide to which we should move
+     */
+    var presentationAdded = function(event, jid, presUrl, currentSlide) {
+        console.log("presentation added", presUrl);
+
+        var presId = getPresentationId(presUrl);
+        var elementId = 'participant_'
+                        + Strophe.getResourceFromJid(jid)
+                        + '_' + presId;
+
+        addRemoteVideoContainer(elementId);
+        resizeThumbnails();
+
+        var controlsEnabled = false;
+        if (jid === connection.emuc.myroomjid)
+            controlsEnabled = true;
+
+        Prezi.setPresentationVisible(true);
+        $('#largeVideoContainer').hover(
+            function (event) {
+                if (Prezi.isPresentationVisible()) {
+                    var reloadButtonRight = window.innerWidth
+                        - $('#presentation>iframe').offset().left
+                        - $('#presentation>iframe').width();
+
+                    $('#reloadPresentation').css({  right: reloadButtonRight,
+                                                    display:'inline-block'});
+                }
+            },
+            function (event) {
+                if (!Prezi.isPresentationVisible())
+                    $('#reloadPresentation').css({display:'none'});
+                else {
+                    var e = event.toElement || event.relatedTarget;
+
+                    if (e && e.id != 'reloadPresentation' && e.id != 'header')
+                        $('#reloadPresentation').css({display:'none'});
+                }
+            });
+
+        preziPlayer = new PreziPlayer(
+                    'presentation',
+                    {preziId: presId,
+                    width: getPresentationWidth(),
+                    height: getPresentationHeihgt(),
+                    controls: controlsEnabled,
+                    debug: true
+                    });
+
+        $('#presentation>iframe').attr('id', preziPlayer.options.preziId);
+
+        preziPlayer.on(PreziPlayer.EVENT_STATUS, function(event) {
+            console.log("prezi status", event.value);
+            if (event.value == PreziPlayer.STATUS_CONTENT_READY) {
+                if (jid != connection.emuc.myroomjid)
+                    preziPlayer.flyToStep(currentSlide);
+            }
+        });
+
+        preziPlayer.on(PreziPlayer.EVENT_CURRENT_STEP, function(event) {
+            console.log("event value", event.value);
+            connection.emuc.addCurrentSlideToPresence(event.value);
+            connection.emuc.sendPresence();
+        });
+
+        $("#" + elementId).css( 'background-image',
+                                'url(../images/avatarprezi.png)');
+        $("#" + elementId).click(
+            function () {
+                Prezi.setPresentationVisible(true);
+            }
+        );
+    };
+
+    /**
+     * A presentation has been removed.
+     * 
+     * @param event the event indicating the remove of a presentation
+     * @param jid the jid for which the presentation was removed
+     * @param the url of the presentation
+     */
+    var presentationRemoved = function (event, jid, presUrl) {
+        console.log('presentation removed', presUrl);
+        var presId = getPresentationId(presUrl);
+        Prezi.setPresentationVisible(false);
+        $('#participant_'
+                + Strophe.getResourceFromJid(jid)
+                + '_' + presId).remove();
+        $('#presentation>iframe').remove();
+        if (preziPlayer != null) {
+            preziPlayer.destroy();
+            preziPlayer = null;
+        }
+    };
+
+    /**
+     * Returns the presentation id from the given url.
+     */
+    function getPresentationId (presUrl) {
+        var presIdTmp = presUrl.substring(presUrl.indexOf("prezi.com/") + 10);
+        return presIdTmp.substring(0, presIdTmp.indexOf('/'));
+    }
+
+    /**
+     * Returns the presentation width.
+     */
+    function getPresentationWidth() {
+        var availableWidth = Util.getAvailableVideoWidth();
+        var availableHeight = getPresentationHeihgt();
+
+        var aspectRatio = 16.0 / 9.0;
+        if (availableHeight < availableWidth / aspectRatio) {
+            availableWidth = Math.floor(availableHeight * aspectRatio);
+        }
+        return availableWidth;
+    }
+
+    /**
+     * Returns the presentation height.
+     */
+    function getPresentationHeihgt() {
+        var remoteVideos = $('#remoteVideos');
+        return window.innerHeight - remoteVideos.outerHeight();
+    }
+
+    /**
+     * Resizes the presentation iframe.
+     */
+    function resize() {
+        if ($('#presentation>iframe')) {
+            $('#presentation>iframe').width(getPresentationWidth());
+            $('#presentation>iframe').height(getPresentationHeihgt());
+        }
+    }
+
+    /**
+     * Presentation has been removed.
+     */
+    $(document).bind('presentationremoved.muc', presentationRemoved);
+
+    /**
+     * Presentation has been added.
+     */
+    $(document).bind('presentationadded.muc', presentationAdded);
+
+    /*
+     * Indicates presentation slide change.
+     */
+    $(document).bind('gotoslide.muc', function (event, jid, presUrl, current) {
+        if (preziPlayer) {
+            preziPlayer.flyToStep(current);
+        }
+    });
+
+    /**
+     * On video selected event.
+     */
+    $(document).bind('video.selected', function (event, isPresentation) {
+        if (!isPresentation && $('#presentation>iframe'))
+            Prezi.setPresentationVisible(false);
+    });
+
+    $(window).resize(function () {
+        resize();
+    });
+
+    return my;
+}(Prezi || {}));

util.js

@@ -57,5 +57,16 @@ var Util = (function (my) {
         return regex.test(unsafeText);
     };
 
+    /**
+     * Returns the available video width.
+     */
+    my.getAvailableVideoWidth = function() {
+        var chatspaceWidth = $('#chatspace').is(":visible")
+        ? $('#chatspace').width()
+        : 0;
+
+        return window.innerWidth - chatspaceWidth;
+    };
+
     return my;
 }(Util || {}));