Forward pending notification count to the systray service

src/net/java/sip/communicator/impl/gui/UIServiceImpl.java

@@ -74,7 +74,8 @@ public class UIServiceImpl
     implements UIService,
                ShutdownService,
                ServiceListener,
-               PropertyChangeListener
+               PropertyChangeListener,
+               UINotificationListener
 {
     /**
      * The <tt>Logger</tt> used by the <tt>UIServiceImpl</tt> class and its
@@ -140,6 +141,7 @@ public class UIServiceImpl
      */
     public UIServiceImpl()
     {
+        UINotificationManager.addNotificationListener(this);
     }
 
     /**
@@ -1642,4 +1644,41 @@ public void showChatRoomAutoOpenConfigDialog(
         ChatRoomAutoOpenConfigDialog.showChatRoomAutoOpenConfigDialog(
             pps, chatRoomId);
     }
+
+    /**
+     * Counts the number of unread notifications and forwards the sum to the
+     * systray service.
+     */
+    @Override
+    public void notificationReceived(UINotification notification)
+    {
+        forwardNotificationCount();
+    }
+
+    /**
+     * Counts the number of unread notifications and forwards the sum to the
+     * systray service.
+     */
+    @Override
+    public void notificationCleared(UINotification notification)
+    {
+        forwardNotificationCount();
+    }
+
+    private void forwardNotificationCount()
+    {
+        int count = 0;
+        for (UINotificationGroup g : UINotificationManager
+            .getNotificationGroups())
+        {
+            Iterator<UINotification> it =
+                UINotificationManager.getUnreadNotifications(g);
+            while (it.hasNext())
+            {
+                count += it.next().getUnreadObjects();
+            }
+        }
+
+        GuiActivator.getSystrayService().setNotificationCount(count);
+    }
 }

src/net/java/sip/communicator/service/systray/AbstractSystrayService.java

@@ -127,6 +127,15 @@ public void showPopupMessage(PopupMessage popupMessage)
             activePopupHandler.showPopupMessage(popupMessage);
     }
 
+    /**
+     * Stub method that does nothing.
+     * @param count ignored 
+     */
+    @Override
+    public void setNotificationCount(int count)
+    {
+    }
+
     /**
      * Implements the <tt>SystrayService.addPopupMessageListener</tt> method.
      * If <tt>activePopupHandler</tt> is still not available record the listener

src/net/java/sip/communicator/service/systray/SystrayService.java

@@ -130,4 +130,10 @@ public PopupMessageHandler setActivePopupMessageHandler(
      * @return True if the systray is initialized, false otherwise.
      */
     public boolean checkInitialized();
+
+    /**
+     * Set the number that should be shown as an overlay on the try icon.
+     * @param count The number of pending notifications.
+     */
+    public void setNotificationCount(int count);
 }