diff -r 000000000000 -r 2f259fa3e83a uifw/AvKon/inc/aknsignaldataobserver.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/uifw/AvKon/inc/aknsignaldataobserver.h	Tue Feb 02 01:00:49 2010 +0200
@@ -0,0 +1,68 @@
+/*
+* Copyright (c) 2006-2006 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:  Updates the signal level control in status pane. 
+*
+*/
+
+
+#ifndef C_AKNSTATUSPANESIGNALOBSERVER_H
+#define C_AKNSTATUSPANESIGNALOBSERVER_H
+
+#include <bacntf.h>
+#include <coecntrl.h>
+#include <AknControl.h>
+#include "aknstatuspanedata.h"
+#include "aknstatuspanedataobserver.h"
+
+class CBase;
+class CAknSignalPane;
+class CAknStatusPaneDataSubscriber;
+
+/**
+* This internal Avkon class updates the signal level control in status pane.
+*
+* @since S60 3.2
+* @lib Avkon
+* 
+*/
+NONSHARABLE_CLASS(CAknSignalDataObserver) : public CBase, public MAknStatusPaneDataObserver
+	{
+
+public:
+
+    /**
+    * Standard constructor
+    */
+    CAknSignalDataObserver(CAknSignalPane* aSignalPane);
+    
+    /**
+    * Destructor
+    */
+    ~CAknSignalDataObserver();
+
+    /**
+    * From MAknStatusPaneDataObserver
+    */
+	void HandleUpdateL(const TAknStatusPaneStateData& aData);
+	        
+private:
+
+	  // Not owned. Pointer to Signal pane. 
+    CAknSignalPane* iSignalPane;
+    
+    // Not owned. Pointer to data subscriber.
+    CAknStatusPaneDataSubscriber*  iDataSubscriber;
+    };
+
+#endif // AKNSTATUSPANESIGNALOBSERVER