Dispatches calls to addPopupMessageListener before we have initialized the SystrayService (waiting for UIService).

src/net/java/sip/communicator/impl/osdependent/jdic/SystrayServiceJdicImpl.java

@@ -10,6 +10,7 @@
 import java.awt.event.*;
 import java.net.*;
 import java.util.*;
+import java.util.List;
 
 import javax.swing.*;
 import javax.swing.event.*;
@@ -127,6 +128,12 @@ public class SystrayServiceJdicImpl
     private final SystrayPopupMessageListener popupMessageListener
         = new SystrayPopupMessageListenerImpl();
 
+    /**
+     * List of listeners from early received calls to addPopupMessageListener.
+     * Calls to addPopupMessageListener before the UIService is registered.
+     */
+    private List<SystrayPopupMessageListener> earlyAddedListeners = null;
+
     /**
      * Initializes a new <tt>SystrayServiceJdicImpl</tt> instance.
      */
@@ -432,6 +439,8 @@ public void showPopupMessage(PopupMessage popupMessage)
 
     /**
      * Implements the <tt>SystrayService.addPopupMessageListener</tt> method.
+     * If <tt>activePopupHandler</tt> is still not available record the listener
+     * so we can add him later.
      *
      * @param listener the listener to add
      */
@@ -439,6 +448,14 @@ public void addPopupMessageListener(SystrayPopupMessageListener listener)
     {
         if (activePopupHandler != null)
             activePopupHandler.addPopupMessageListener(listener);
+        else
+        {
+            if(earlyAddedListeners == null)
+                earlyAddedListeners =
+                    new ArrayList<SystrayPopupMessageListener>();
+
+            earlyAddedListeners.add(listener);
+        }
     }
 
     /**
@@ -590,6 +607,17 @@ public PopupMessageHandler setActivePopupMessageHandler(
                         + newHandler);
         }
         activePopupHandler = newHandler;
+        // if we have received calls to addPopupMessageListener before
+        // the UIService is registered we should add those listeners
+        if(earlyAddedListeners != null)
+        {
+            for(SystrayPopupMessageListener l : earlyAddedListeners)
+                activePopupHandler.addPopupMessageListener(l);
+
+            earlyAddedListeners.clear();
+            earlyAddedListeners = null;
+        }
+
         return oldHandler;
     }