{

	public: // Constructor and destructor

	    /**

	    * Two-phased constructor.

	    */

	    IMPORT_C static CSPNotifyChange* NewL( MSPNotifyChangeObserver& aObserver );

	    /**

	    * Destructors.

	    */

	    IMPORT_C virtual ~CSPNotifyChange();

	public: 

	    /**

	     * Issue notify service change rquest.

	     *

	     * @since S60 V3.2

	     * @param aServiceIds The service ID array of monitored service entries

	     */

	    IMPORT_C void NotifyChangeL( const RIdArray& aServiceIds );

	    /**

	     * Cancel notify change.

	     *

	     * @since S60 V3.2

	     */

	    IMPORT_C void NotifyChangeCancel();

	protected: // from CActive

	    void DoCancel();

	    void RunL();

	    TInt RunError( TInt aError );

	    void Subscribe();

	private:

	    /**

	    * C++ default constructor.

	    */

	    CSPNotifyChange( MSPNotifyChangeObserver& aObserver );

	    /**

	    * By default Symbian 2nd phase constructor is private.

	    */

	    void ConstructL();

	private:

	    /**

	     * Publish & Subscribe connection

	     */

	    RProperty       iProperty;

	    /**

	     * Observer object

	     */

	    MSPNotifyChangeObserver& iObserver;

	    /**

	     * Id array

	     */

	    RIdArray		iIdArray;

	    /**

	     * Contains buffered P&S data

	     */

	    CSpsBufferedPublisher* iData;

	};