--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/phoneuis/vmbx/inc/VmDetDlgPropertyObserver.h	Wed Sep 01 12:30:10 2010 +0100
@@ -0,0 +1,108 @@
+/*
+* Copyright (c) 2002 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:  Publish & Subscribe property change observer
+*
+*/
+
+
+
+#ifndef VMDETDLGPROPERTYOBSERVER_H
+#define VMDETDLGPROPERTYOBSERVER_H
+
+//  INCLUDES
+#include <e32base.h>        // CActive
+#include <e32property.h>    // RProperty
+
+// FORWARD DECLARATIONS
+class CVmDetailsDialog;
+
+// CLASS DECLARATION
+
+/**
+*  Implementation of the Publish & Subscribe property change observer
+*
+*  @lib
+*  @since 2.6
+*/
+class CVmDetDlgPropertyObserver : public CActive
+    {
+    public:  // Constructors and destructor
+
+        /**
+        * Two-phased constructor.
+        * @param aObserver Observer to be informed when observed property
+        *                  changes
+        */
+        static CVmDetDlgPropertyObserver* NewL( CVmDetailsDialog& aDetDialog );
+
+        /**
+        * Destructor.
+        */
+        virtual ~CVmDetDlgPropertyObserver();
+
+    public:     // New functions
+
+        /**
+        * Starts observing the given key for any changes
+        * Notifies the observer when the property changes
+        * @since 2.6
+        * @param aCategory, Category of the observed property
+        * @param aKey, Observed property
+        */
+        void ObservePropertyChangeL( TUid aCategory, TUint aKey );
+
+    protected:  // Functions from base classes
+
+        /**
+        * From CActive
+        */
+        void RunL();
+
+        /**
+        * From CActive
+        */
+        void DoCancel();
+
+        /**
+        * From CActive
+        */
+        TInt RunError( TInt aError );
+
+    private:
+
+        /**
+        * C++ default constructor.
+        */
+        CVmDetDlgPropertyObserver( CVmDetailsDialog& aDetDialog );
+
+        /**
+        * Symbian 2nd phase constructor..
+        */
+        void ConstructL();
+
+    private:    // Data
+
+        // Owns: Observed property
+        RProperty iProperty;
+
+        // Observer to be informed when property changes
+        CVmDetailsDialog& iDetDialog;
+        
+        // Observed property
+        TUint iKey;
+    };
+
+#endif      // VMDETDLGPROPERTYOBSERVER_H
+
+// End of File