diff -r 000000000000 -r 72b543305e3a messagingappbase/ncnlist/inc/NcnSubscriber.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/messagingappbase/ncnlist/inc/NcnSubscriber.h	Thu Dec 17 08:44:11 2009 +0200
@@ -0,0 +1,115 @@
+/*
+* Copyright (c) 2004 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:   Defines class CNcnSubscriber.
+*
+*/
+
+
+
+#ifndef NCNSUBSCRIBER_H
+#define NCNSUBSCRIBER_H
+
+// INCLUDES
+#include <e32base.h>
+#include <e32property.h>
+#include "NcnPublishAndSubscribeObserver.h"
+
+// forward declarations
+class MNcnSubscribeHandler;
+
+// CLASS DECLARATION
+/**
+*  CNcnSubscriber is an acitve object that subscribes to a single
+*  Publish and Subscribe Property and notifies about the Property changes.
+*/
+
+class CNcnSubscriber : public CActive
+{
+public:
+    /**
+    * Two-phased constructor.
+	*
+	* @param aPropertyResponder The object to be notified about Property changes
+	* @param aCategory The category of the Property to be observed
+	* @param aKey The subkey of the Property to be observed
+    */
+    static CNcnSubscriber* NewL( MNcnSubscribeHandler& aPropertyResponder, const TUid& aCategory, TUint aKey );
+
+    /**
+    * Destructor.
+    */
+     ~CNcnSubscriber();
+
+	 /**
+	  * Subscribes to the Property given in constructor
+	  */
+     void Subscribe();
+
+private:
+	/**
+     * C++ default constructor.
+	 *
+  	 * @param aPropertyResponder The object to be notified about Property changes
+	 * @param aCategory The category of the Property to be observed
+	 * @param aKey The subkey of the Property to be observed
+     */
+     CNcnSubscriber( MNcnSubscribeHandler& aPropertyResponder, const TUid& aCategory, TUint aKey );
+
+    /**
+     * By default Symbian 2nd phase constructor is private.
+     */
+	 void ConstructL();
+
+public: // from CActive
+    /**
+	*   RunL
+    */
+    void RunL();
+
+    /**
+	*   RunError
+    *	@param aError the error returned
+	*
+    *	@return error
+    */
+    TInt RunError( TInt aError );
+
+    /**
+    *	DoCancel
+    */
+    void DoCancel();
+
+private: // Methods not implemented
+    CNcnSubscriber( const CNcnSubscriber& );           // Copy constructor
+    CNcnSubscriber& operator=( const CNcnSubscriber& );// Assigment operator
+
+private: // data
+
+	// The object to be notified about Property changes
+    MNcnSubscribeHandler&  iPropertyResponder;
+
+	// The property object that subscribes to the Property to be observed
+    RProperty                 iProperty;
+
+	// The category of the Property to be observed
+    TUid                      iCategory;
+
+	// The subkey of the Property to be observed
+	TUint                     iKey;
+};
+
+
+#endif // NCNSUBSCRIBER_H
+
+// End of File