--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/wvuing/wvuiave/AppSrc/MCANotifierKeyObserver.h	Thu Dec 17 08:41:52 2009 +0200
@@ -0,0 +1,58 @@
+/*
+* Copyright (c) 2002-2005 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:  Observes when key values are changed
+*
+*/
+
+
+#ifndef MCANOTIFIERKEYOBSERVER_H
+#define MCANOTIFIERKEYOBSERVER_H
+
+//  INCLUDES
+#include <e32base.h>
+#include <bldvariant.hrh>
+
+class TUpdatedKey
+    {
+    public:
+        TUpdatedKey() {};
+    public:
+        TUid    iUid;
+        TUint32 iKey;
+        TInt    iValue;
+    };
+
+/**
+*  Notifier inteface for Pub&Sub or shared data key changes
+*  (depends on which system is used in the platform)
+*
+*  @since Series 60 2.6
+*/
+class MCANotifierKeyObserver
+    {
+    public: // New functions
+
+        /**
+        * This function is called when a PS or shared data key value is changed
+        * @param aUpdatedValues
+        */
+        virtual void HandleKeyChange( TUpdatedKey& aUpdatedValues ) = 0;
+
+    protected: // Destructor
+        virtual ~MCANotifierKeyObserver() {};
+    };
+#endif      // MCANOTIFIERKEYOBSERVER_H 
+
+// End of File
+