diff -r 000000000000 -r 5e5d6b214f4f instantmessagesalert/inc/mimalertnotifierkeyobserver.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/instantmessagesalert/inc/mimalertnotifierkeyobserver.h	Tue Feb 02 10:12:18 2010 +0200
@@ -0,0 +1,57 @@
+/*
+* Copyright (c) 2009 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 MIMALERTNOTIFIERKEYOBSERVER_H
+#define MIMALERTNOTIFIERKEYOBSERVER_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 MIMAlertNotifierKeyObserver
+    {
+	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 ~MIMAlertNotifierKeyObserver(){};
+    };
+#endif      // MIMALERTNOTIFIERKEYOBSERVER_H 
+            
+// End of File
+