Revert "Revert "Added Java check to the configuration notifications""

This reverts commit 82545a03f3.

bigbluebutton-client/branding/default/style/css/BBBDefault.css

@@ -451,17 +451,26 @@ DataGrid {
 
 }
 
-.presentationUploadFileFormatHintBoxStyle, .desktopShareUsingChromeOnMacHintBoxStyle {
+.presentationUploadFileFormatHintBoxStyle {
 	backgroundColor: #D4D4D4;
 	dropShadowEnabled: false;
 	paddingLeft: 10;
 	paddingRight: 10
 }
 
-.presentationUploadFileFormatHintTextStyle, .desktopShareUsingChromeOnMacHintTextStyle {
+.presentationUploadFileFormatHintTextStyle {
 	fontWeight: bold;
 }
 
+.desktopShareTextStyle {
+	fontSize:	11;
+	fontWeight:	bold;	
+}
+
+.chromeJavaHelpImage {
+	imageSource: Embed(source='assets/images/chromePluginBlocked.png');
+}
+
 .cameraDisplaySettingsWindowStyle {
   borderColor: #b9babc;
   borderAlpha: 1;

bigbluebutton-client/locale/en_US/bbbResources.properties

@@ -105,6 +105,10 @@ bbb.clientstatus.flash.title = Flash Player
 bbb.clientstatus.flash.message = Your Flash Player plugin ({0}) is out-of-date. Recommend updating to the latest version.
 bbb.clientstatus.webrtc.title = Audio
 bbb.clientstatus.webrtc.message = Recommend using either Firefox or Chrome for better audio.
+bbb.clientstatus.java.title = Java
+bbb.clientstatus.java.notdetected = Java version not detected.
+bbb.clientstatus.java.notinstalled = You have no Java installed, please click <font color='#0a4a7a'><a href='http://www.java.com/download/' target='_blank'>HERE</a></font> to install the latest Java to use the desktop sharing feature.
+bbb.clientstatus.java.oldversion = You have an old Java installed, please click <font color='#0a4a7a'><a href='http://www.java.com/download/' target='_blank'>HERE</a></font> to install the latest Java to use the desktop sharing feature.
 bbb.window.minimizeBtn.toolTip = Minimize
 bbb.window.maximizeRestoreBtn.toolTip = Maximize
 bbb.window.closeBtn.toolTip = Close
@@ -265,10 +269,9 @@ bbb.desktopPublish.chromeOnMacUnsupportedHint = Desktop sharing is not currently
 bbb.desktopPublish.minimizeBtn.toolTip = Minimize
 bbb.desktopPublish.minimizeBtn.accessibilityName = Minimize the Desktop Sharing Publish Window
 bbb.desktopPublish.maximizeRestoreBtn.accessibilityName = Maximize the Desktop Sharing Publish Window
-bbb.desktopPublish.javaRequiredLabel = Requires Java 7u51 (or later) to run.
-bbb.desktopPublish.javaTestLinkLabel = Test Java 
-bbb.desktopPublish.javaTestLinkLabel.tooltip = Test Your Java Version
-bbb.desktopPublish.javaTestLinkLabel.tooltip.accessibility = Test Your Java Version
+bbb.desktopPublish.chromeHint.title = Chrome may need your permission.
+bbb.desktopPublish.chromeHint.message = Select the plug-in icon (upper right-hand corner of Chrome), un-block plug-ins, and then select 'Retry'.
+bbb.desktopPublish.chromeHint.button = Retry
 bbb.desktopView.title = Desktop Sharing
 bbb.desktopView.fitToWindow = Fit to Window
 bbb.desktopView.actualSize = Display actual size

bigbluebutton-client/resources/config.xml.template

@@ -10,7 +10,7 @@
     <language userSelectionEnabled="true" />
     <skinning enabled="true" url="http://HOST/client/branding/css/BBBDefault.css.swf" />
     <shortcutKeys showButton="true" />
-    <browserVersions chrome="CHROME_VERSION" firefox="FIREFOX_VERSION" flash="FLASH_VERSION" />
+    <browserVersions chrome="CHROME_VERSION" firefox="FIREFOX_VERSION" flash="FLASH_VERSION" java="1.7.0_51" />
     <layout showLogButton="false" showVideoLayout="false" showResetLayout="true" defaultLayout="bbb.layout.name.defaultlayout"
             showToolbar="true" showFooter="true" showMeetingName="true" showHelpButton="true" 
             showLogoutWindow="true" showLayoutTools="true" showNetworkMonitor="false" confirmLogout="true"
@@ -40,7 +40,7 @@
 
 		
 		<module name="DeskShareModule" 
-			url="http://HOST/client/DeskShareModule.swf?v=4105" 
+			url="http://HOST/client/DeskShareModule.swf?v=VERSION" 
 			uri="rtmp://HOST/deskShare"
 			showButton="true"
 			autoStart="false"

bigbluebutton-client/resources/prod/BigBlueButton.html

@@ -17,9 +17,14 @@
         width: 1px !important;
         overflow: hidden;
       }
+      
+      #deployJavaPlugin {
+        display : none;
+      }
     </style>
     
     <script type="text/javascript" src="swfobject/swfobject.js"></script>
+    <script src="lib/deployJava.js?v=VERSION" language="javascript"></script>
     <script type="text/javascript">
       //swfobject.registerObject("BigBlueButton", "11", "expressInstall.swf");
       var flashvars = {};

bigbluebutton-client/resources/prod/lib/bbb_api_bridge.js

@@ -560,6 +560,13 @@
       }
     }
     
+    BBB.javaAppletLaunched = function() {
+      var swfObj = getSwfObj();
+      if (swfObj) {
+        swfObj.javaAppletLaunched();
+      }
+    }
+    
     // Third-party JS apps should use this to query if the BBB SWF file is ready to handle calls.
     BBB.isSwfClientReady = function() {
       return swfReady;

bigbluebutton-client/resources/prod/lib/bbb_deskshare.js

@@ -41,7 +41,6 @@ function stopApplet(){
         removeFrame();
 }
 
-function checkForJava(){
-//      if (navigator.javaEnabled() || window.navigator.javaEnabled())
-                return 1;
+function appletStartupCallback() {
+        BBB.javaAppletLaunched();
 }

bigbluebutton-client/src/org/bigbluebutton/main/api/ExternalApiCallbacks.as

@@ -37,6 +37,8 @@ package org.bigbluebutton.main.api
   import org.bigbluebutton.main.model.users.events.KickUserEvent;
   import org.bigbluebutton.main.model.users.events.RaiseHandEvent;
   import org.bigbluebutton.main.model.users.events.RoleChangeEvent;
+  import org.bigbluebutton.modules.deskshare.events.DeskshareAppletLaunchedEvent;
+  import org.bigbluebutton.modules.deskshare.utils.JavaCheck;
   import org.bigbluebutton.modules.phone.events.AudioSelectionWindowEvent;
   import org.bigbluebutton.modules.phone.events.FlashCallConnectedEvent;
   import org.bigbluebutton.modules.phone.events.FlashCallDisconnectedEvent;
@@ -111,6 +113,7 @@ package org.bigbluebutton.main.api
         ExternalInterface.addCallback("webRTCWebcamRequest", handleWebRTCWebcamRequest);
         ExternalInterface.addCallback("webRTCWebcamRequestSuccess", handleWebRTCWebcamRequestSuccess);
         ExternalInterface.addCallback("webRTCWebcamRequestFail", handleWebRTCWebcamRequestFail);
+        ExternalInterface.addCallback("javaAppletLaunched", handleJavaAppletLaunched);
       }
       
       // Tell out JS counterpart that we are ready.
@@ -483,5 +486,11 @@ package org.bigbluebutton.main.api
 		trace(LOG + "handleWebRTCWebcamRequest: received");
 		_dispatcher.dispatchEvent(new WebRTCWebcamRequestEvent(WebRTCWebcamRequestEvent.WEBRTC_WEBCAM_REQUEST));
 	}
+	
+	private function handleJavaAppletLaunched():void
+	{
+		trace(LOG + "handleJavaAppletLaunched: received");
+		_dispatcher.dispatchEvent(new DeskshareAppletLaunchedEvent(DeskshareAppletLaunchedEvent.APPLET_LAUNCHED));
+	}
   }
 }

bigbluebutton-client/src/org/bigbluebutton/main/views/ClientStatusItemRenderer.mxml

@@ -20,7 +20,7 @@
 						break
 				}
 				titleLbl.text = value.title;
-				messageTxt.text = value.message;
+				messageTxt.htmlText = value.message;
 				
 				validateNow();
 			}

bigbluebutton-client/src/org/bigbluebutton/main/views/MainApplicationShell.mxml

@@ -178,6 +178,7 @@ with BigBlueButton; if not, see <http://www.gnu.org/licenses/>.
  
         if (!showFooterOpt) {
           footerHeight = 0;
+          controlBar.visible = false;
         }        
       }
 		
@@ -637,8 +638,6 @@ with BigBlueButton; if not, see <http://www.gnu.org/licenses/>.
         ls.x = point1.x - (ls.width/2);
         ls.y = point1.y - (ls.height/2);	
 			}
-			
-			
 		]]>
 	</mx:Script>
 

bigbluebutton-client/src/org/bigbluebutton/main/views/WarningButton.mxml

@@ -26,7 +26,7 @@ with BigBlueButton; if not, see <http://www.gnu.org/licenses/>.
 		   click="handleButtonClick();"
 		   move="handleMove();"
 		   creationComplete="onCreationComplete();"
-		   visible="false">
+		   visible="false" includeInLayout="false">
 	<mate:Listener type="{ClientStatusEvent.SUCCESS_MESSAGE_EVENT}" method="handleSuccessMessageEvent" />
 	<mate:Listener type="{ClientStatusEvent.WARNING_MESSAGE_EVENT}" method="handleWarningMessageEvent" />
 	<mate:Listener type="{ClientStatusEvent.FAIL_MESSAGE_EVENT}" method="handleFailMessageEvent" />
@@ -78,7 +78,8 @@ with BigBlueButton; if not, see <http://www.gnu.org/licenses/>.
 			}
 			
 			private function showNotification():void {
-				visible = true;
+				if (parent.visible) {
+					visible = includeInLayout = true;
 					
 					if (hideTimer.running) hideTimer.reset();
 					hideTimer.start()
@@ -88,6 +89,7 @@ with BigBlueButton; if not, see <http://www.gnu.org/licenses/>.
 						handleMove();
 					}
 				}
+			}
 			
 			private function isUniqueMessage(type:String, title:String, message:String):Boolean {
 				for (var i:Number=0; i<messages.length; i++) {

bigbluebutton-client/src/org/bigbluebutton/modules/deskshare/events/DeskshareAppletLaunchedEvent.as

@@ -0,0 +1,14 @@
+package org.bigbluebutton.modules.deskshare.events
+{
+	import flash.events.Event;
+	
+	public class DeskshareAppletLaunchedEvent extends Event
+	{
+		public static const APPLET_LAUNCHED:String = "DESKSHARE_APPLET_LAUNCHED_EVENT";
+		
+		public function DeskshareAppletLaunchedEvent(type:String, bubbles:Boolean=false, cancelable:Boolean=false)
+		{
+			super(type, bubbles, cancelable);
+		}
+	}
+}

bigbluebutton-client/src/org/bigbluebutton/modules/deskshare/utils/JavaCheck.as

@@ -0,0 +1,104 @@
+/**
+ * WebMeeting open source conferencing system - http://www.speakserve.org/
+ * 
+ * Copyright (c) 2013 SpeakServe Ltd. and by respective authors (see below).
+ *
+ * This program is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation; either version 3.0 of the License, or (at your option) any later
+ * version.
+ * 
+ * WebMeeting is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License along
+ * with WebMeeting; if not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+package org.bigbluebutton.modules.deskshare.utils
+{
+	import com.asfusion.mate.events.Dispatcher;
+	
+	import flash.external.ExternalInterface;
+	import flash.utils.setTimeout;
+	
+	import org.bigbluebutton.core.BBB;
+	import org.bigbluebutton.main.events.ClientStatusEvent;
+	import org.bigbluebutton.util.i18n.ResourceUtil;
+	
+	public class JavaCheck {		
+		public static function checkJava():String {
+			var dispatcher : Dispatcher = new Dispatcher();
+			var java_version:String = "1.7.0_51";
+			
+			var xml:XML = BBB.initConfigManager().config.browserVersions;
+			if (xml.@java != undefined) {
+				java_version = xml.@java.toString();
+			}
+			
+			try {
+				var javas : Array = JavaCheck.getJREs();
+			} catch ( e : Error ) {
+				dispatcher.dispatchEvent(new ClientStatusEvent(ClientStatusEvent.FAIL_MESSAGE_EVENT, ResourceUtil.getInstance().getString("bbb.clientstatus.java.title"), ResourceUtil.getInstance().getString("bbb.clientstatus.java.notdetected")));
+				return ResourceUtil.getInstance().getString("bbb.clientstatus.java.notdetected");
+			}
+			
+			if (javas.length == 0) {
+				dispatcher.dispatchEvent(new ClientStatusEvent(ClientStatusEvent.FAIL_MESSAGE_EVENT, ResourceUtil.getInstance().getString("bbb.clientstatus.java.title"), ResourceUtil.getInstance().getString("bbb.clientstatus.java.notinstalled")));
+				return ResourceUtil.getInstance().getString("bbb.clientstatus.java.notinstalled");
+			}
+			
+			var highestJava : String = javas[0];
+			for each (var java : String in javas) {
+				var highest : Array = highestJava.split(".");
+				var iter : Array = java.split(".");
+				
+				if (Number(iter[0]) > Number(highest[0])) {
+					highestJava = java;
+				} else if (Number(iter[0]) == Number(highest[0]) && Number(iter[1]) > Number(highest[1])) {
+					highestJava = java;
+				} else if (Number(iter[0]) == Number(highest[0]) && Number(iter[1]) == Number(highest[1])) {
+					var iterMinor : Number = Number((iter[2] as String).split("_")[1]);
+					var highestMinor : Number = Number((highest[2] as String).split("_")[1]);
+					if (iterMinor > highestMinor)
+					{
+						highestJava = java;
+					}
+				}
+			}
+			
+			var passedJava : Boolean = true;
+			var required : Array = java_version.split(".");
+			highest = highestJava.split(".");
+			if (Number(required[0]) > Number(highest[0])) {
+				passedJava = false;
+			} else if (Number(required[0]) == Number(highest[0]) && Number(required[1]) > Number(highest[1])) {
+				passedJava = false;
+			} else if (Number(required[0]) == Number(highest[0]) && Number(required[1]) == Number(highest[1])) {
+				var requiredMinor : Number = Number((required[2] as String).split("_")[1]);
+				var highestJavaMinor : Number = Number((highest[2] as String).split("_")[1]);
+				if (requiredMinor > highestJavaMinor)
+				{
+					passedJava = false;
+				}
+			}
+			
+			if (!passedJava) {
+				dispatcher.dispatchEvent(new ClientStatusEvent(ClientStatusEvent.FAIL_MESSAGE_EVENT, ResourceUtil.getInstance().getString("bbb.clientstatus.java.title"), ResourceUtil.getInstance().getString("bbb.clientstatus.java.oldversion")));
+				return ResourceUtil.getInstance().getString("bbb.clientstatus.java.oldversion");
+			} else {
+				// Java success
+				return null;
+			}
+		}
+		
+		private static function getJREs():Array{
+			var installedJREs:Array = ExternalInterface.call("deployJava.getJREs");
+			
+			if (installedJREs == null) throw new Error("Javascript files not found.");
+			
+			return installedJREs;
+		}
+	}
+}

bigbluebutton-client/src/org/bigbluebutton/modules/deskshare/view/components/DesktopPublishWindow.mxml

@@ -29,7 +29,7 @@ with BigBlueButton; if not, see <http://www.gnu.org/licenses/>.
 	initialize="init()"
 	creationComplete="onCreationComplete()"	
 	verticalScrollPolicy="off" horizontalScrollPolicy="off"
-	width="365" height="320"
+	width="365" height="350"
 	title="{ResourceUtil.getInstance().getString('bbb.desktopPublish.title')}"
 	resizable="false">
 	
@@ -40,7 +40,7 @@ with BigBlueButton; if not, see <http://www.gnu.org/licenses/>.
 	<mate:Listener type="{ViewStreamEvent.STOP}" method="closePublishWindow" />
 	<mate:Listener type="{LocaleChangeEvent.LOCALE_CHANGED}" method="localeChanged" />
 	<mate:Listener type="{StopSharingButtonEvent.STOP_SHARING}" method="stopSharingEvent" />
-	
+	<mate:Listener type="{DeskshareAppletLaunchedEvent.APPLET_LAUNCHED}" method="handleDeskshareAppletLaunchedEvent" />
 	<mate:Listener type="{ShortcutEvent.REMOTE_FOCUS_DESKTOP}" method="remoteFocus" />
 	
 	
@@ -50,7 +50,9 @@ with BigBlueButton; if not, see <http://www.gnu.org/licenses/>.
 			
 			import flexlib.mdi.events.MDIWindowEvent;
 			import flexlib.scheduling.scheduleClasses.BackgroundItem;
+			
 			import mx.core.UIComponent;
+			
 			import org.bigbluebutton.common.Images;
 			import org.bigbluebutton.common.LogUtil;
 			import org.bigbluebutton.common.events.LocaleChangeEvent;
@@ -61,11 +63,13 @@ with BigBlueButton; if not, see <http://www.gnu.org/licenses/>.
 			import org.bigbluebutton.main.views.MainCanvas;
 			import org.bigbluebutton.modules.deskshare.events.AppletStartedEvent;
 			import org.bigbluebutton.modules.deskshare.events.CursorEvent;
+			import org.bigbluebutton.modules.deskshare.events.DeskshareAppletLaunchedEvent;
 			import org.bigbluebutton.modules.deskshare.events.ShareWindowEvent;
 			import org.bigbluebutton.modules.deskshare.events.StopSharingButtonEvent;
 			import org.bigbluebutton.modules.deskshare.events.StreamEvent;
 			import org.bigbluebutton.modules.deskshare.events.ViewStreamEvent;
 			import org.bigbluebutton.modules.deskshare.model.DeskshareOptions;
+			import org.bigbluebutton.modules.deskshare.utils.JavaCheck;
 			import org.bigbluebutton.util.i18n.ResourceUtil;
 			
 			public static const SCALE:Number = 5;
@@ -92,6 +96,7 @@ with BigBlueButton; if not, see <http://www.gnu.org/licenses/>.
 			private var captureWidth:Number = Capabilities.screenResolutionX;
 			private var autoStart:Boolean = false;
 			private var globalDispatcher:Dispatcher = new Dispatcher();
+			private var javaTimer:Timer;
 			
 			[Bindable] private var cursor:Sprite;
 			[Bindable] private var baseIndex:int;
@@ -109,9 +114,15 @@ with BigBlueButton; if not, see <http://www.gnu.org/licenses/>.
 				cursor.graphics.lineStyle(6, 0xFF0000, 0.6);
 				cursor.graphics.drawCircle(0,0,3);		
 				
+				var javaIssue:String = JavaCheck.checkJava();
+				
 				if (isUsingLessThanChrome38OnMac()) {
 					setCurrentState("chromeOnMacWarningState");
 				}
+				else if (javaIssue != null) {
+					setCurrentState("javaIssueWarningState");
+					javaIssueWarningStateLbl.htmlText = javaIssue;
+				}
 				else {
 					setCurrentState("dispFullRegionControlBar");
 				}
@@ -168,6 +179,9 @@ with BigBlueButton; if not, see <http://www.gnu.org/licenses/>.
 				btnFSPublish.enabled = false;
 				btnRegionPublish.enabled = false;
 //				useSVC2Check.enabled = false;
+				javaTimer = new Timer(3000, 1);
+				javaTimer.addEventListener(TimerEvent.TIMER, onJavaTimer);
+				javaTimer.start();
 				startSharing(connection, uri, room, fullScreen);
 			}
 			
@@ -203,6 +217,12 @@ with BigBlueButton; if not, see <http://www.gnu.org/licenses/>.
 				closeWindow();
 			}
 			
+			private function onJavaTimer(e:TimerEvent):void {
+				var browser:Array = ExternalInterface.call("determineBrowser");
+				if (browser[0] == "Chrome")
+					javaHelpArea.visible = javaHelpArea.includeInLayout = true;
+			}
+			
 			private function onUpdateCursorEvent(event:CursorEvent):void {	
 				// DO NOT compute the x and y coordinate and assign directly to the cursorImg
                 // as it results in a flickering and jerky mouse pointer (ralam jun 10, 2010).
@@ -322,6 +342,18 @@ with BigBlueButton; if not, see <http://www.gnu.org/licenses/>.
 				dispatchEvent(new ShareWindowEvent(ShareWindowEvent.CLOSE));				
 			}		
 			
+			private function restartJava():void {
+				ExternalInterface.call("stopApplet");
+				shareScreen(sharingFullScreen);
+			}
+			
+			private function handleDeskshareAppletLaunchedEvent(e:DeskshareAppletLaunchedEvent):void {
+				if (javaTimer && javaTimer.running) {
+					javaTimer.stop();
+				}
+				javaHelpArea.visible = javaHelpArea.includeInLayout = false;
+			}
+			
 			/*
 			 * Override the close handler. We want the Event Map to send a message to
 			 * the MDIManager to close this window;
@@ -360,25 +392,23 @@ with BigBlueButton; if not, see <http://www.gnu.org/licenses/>.
 				closeWindow();
 			}
 			
-      private function onCheckYourJavaClicked():void {
-        var CHECK_JAVA_URL:String = BBB.initConfigManager().config.javaTest.url;        
-        navigateToURL(new URLRequest(CHECK_JAVA_URL));
-      }
 			private function isUsingLessThanChrome38OnMac():Boolean {
 				var browser:Array = ExternalInterface.call("determineBrowser");
-        
-				return ((browser[0] == "Chrome")
-          && (parseInt(browser[1]) <= 38)
-          && (Capabilities.os.indexOf("Mac") >= 0));
+				return ((browser[0] == "Chrome") && (parseInt(browser[1]) <= 38) && (Capabilities.os.indexOf("Mac") >= 0));
 			}
 		]]>
 	</mx:Script>
 
 	<!--http://stackoverflow.com/questions/369120/why-does-mxstates-have-trouble-being-resolved-to-a-component-implementation-->
+	<mx:VBox id="javaHelpArea" includeInLayout="false" visible="false" height="100%" width="100%" verticalAlign="middle" horizontalAlign="center">
+		<mx:Text width="80%" textAlign="center" styleName="desktopShareTextStyle" text="{ResourceUtil.getInstance().getString('bbb.desktopPublish.chromeHint.title')}" />
+		<mx:Image id="javaHelpImg" styleName="chromeJavaHelpImage" source="{javaHelpImg.getStyle('imageSource')}" />
+		<mx:Text width="80%" textAlign="center" styleName="desktopShareTextStyle" text="{ResourceUtil.getInstance().getString('bbb.desktopPublish.chromeHint.message')}" />
+		<mx:Button label="{ResourceUtil.getInstance().getString('bbb.desktopPublish.chromeHint.button')}" click="restartJava()"/>
+	</mx:VBox>
 	<dspub:states>	    
         <mx:State name="dispFullRegionControlBar">   
             <mx:AddChild>
-              
               <mx:ControlBar id="fullRegionBottomBar">
                 <mx:VBox width="100%" height="100%" horizontalAlign="center">
                   <mx:HBox horizontalAlign="center">
@@ -407,34 +437,22 @@ with BigBlueButton; if not, see <http://www.gnu.org/licenses/>.
                                tabEnabled="false"/>
                     <mx:Spacer width="100%"/>                      
                   </mx:HBox>
-
-                    
-                    <mx:Label id="javaVersionLabel" styleName="javaVersionRequiredLabelStyle" text="{ResourceUtil.getInstance().getString('bbb.desktopPublish.javaRequiredLabel')}"/>
-                    <mx:LinkButton id="checkJavaBtn" label="{ResourceUtil.getInstance().getString('bbb.desktopPublish.javaTestLinkLabel')}" click="onCheckYourJavaClicked()" height="22" 
-                                   styleName="testJavaLinkButtonStyle" textDecoration="underline"
-                                   toolTip="{ResourceUtil.getInstance().getString('bbb.desktopPublish.javaTestLinkLabel.tooltip')}" 
-                                   accessibilityDescription="{ResourceUtil.getInstance().getString('bbb.desktopPublish.javaTestLinkLabel.tooltip.accessibility')}"/>
                 </mx:VBox>
               </mx:ControlBar>
             </mx:AddChild>
         </mx:State>	
 		<mx:State name="chromeOnMacWarningState">
 			<mx:AddChild>
-				<mx:VBox id="chromeOnMacWarningBottomBar" horizontalAlign="center" width="100%" height="100%" verticalAlign="bottom">
-					<mx:HBox>
-						<mx:Button id="chromeOnMacWarningCloseButton"
-								   toolTip="{ResourceUtil.getInstance().getString('bbb.desktopPublish.stop.tooltip')}"
-								   label="{ResourceUtil.getInstance().getString('bbb.desktopPublish.stop.label')}"
-								   visible="true"
-								   enabled="true"
-								   click="stopSharing()"
-								   />
-						<mx:Spacer width="100%"/>
-					</mx:HBox>
-					<mx:HBox horizontalAlign="center" width="300" styleName="desktopShareUsingChromeOnMacHintBoxStyle">
-						<mx:Text id="chromeOnMacWarningLbl" width="100%" textAlign="center" text="{ResourceUtil.getInstance().getString('bbb.desktopPublish.chromeOnMacUnsupportedHint')}"
-								 styleName="desktopShareUsingChromeOnMacHintTextStyle" toolTip="{ResourceUtil.getInstance().getString('bbb.desktopPublish.chromeOnMacUnsupportedHint')}" />
-					</mx:HBox>
+				<mx:VBox height="100%" width="100%" verticalAlign="middle" horizontalAlign="center">
+					<mx:Text id="chromeOnMacWarningLbl" width="80%" textAlign="center" styleName="desktopShareTextStyle"
+							 text="{ResourceUtil.getInstance().getString('bbb.desktopPublish.chromeOnMacUnsupportedHint')}" />
+				</mx:VBox>
+			</mx:AddChild>
+		</mx:State>
+		<mx:State name="javaIssueWarningState">
+			<mx:AddChild>
+				<mx:VBox height="100%" width="100%" verticalAlign="middle" horizontalAlign="center">
+					<mx:Text id="javaIssueWarningStateLbl" width="80%" textAlign="center" styleName="desktopShareTextStyle" />
 				</mx:VBox>
 			</mx:AddChild>
 		</mx:State>

deskshare/applet/src/main/java/org/bigbluebutton/deskshare/client/DeskShareApplet.java

@@ -26,6 +26,7 @@ import java.io.IOException;
 import java.net.URL;
 import java.security.*;
 import java.awt.Image;
+import netscape.javascript.*;
 
 public class DeskShareApplet extends JApplet implements ClientListener {
 	public static final String NAME = "DESKSHAREAPPLET: ";
@@ -94,6 +95,14 @@ public class DeskShareApplet extends JApplet implements ClientListener {
 			icon = ImageIO.read(url);
 		} catch (IOException e) {
 		}
+		
+		// Callback to JavaScript
+		try {
+			JSObject window = JSObject.getWindow(this);
+			window.call("appletStartupCallback", new Object[]{});
+		} catch (JSException jse) {
+			jse.printStackTrace();
+		}
 	}
 	
 	private String getJavaVersionRuntime() {