/*

* 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:  Observers changes in proverty values

*

*/

#ifndef M_SVPPROPERTYWATCHOBSERVER_H

#define M_SVPPROPERTYWATCHOBSERVER_H

/**

 *  Observer interface for clients being interested in getting notifications

 *  when Publish&Subscribe property under watching changes.

 *

 *  @lib svp.dll

 *  @since S60 3.2

 */

class MSVPPropertyWatchObserver

    {

public:

    /**

     * MSVPPropertyWatch calls this when some property under watching was

     * changed. 

     *

     * @since S60 3.2

     * @param aKey Property which was changed

     * @param aValue New value of the property

     */

     virtual void ValueChangedL( TInt aKey, TInt aValue ) = 0;

    /**

     * MccPropertyWatch calls this when property was deleted.

     *

     * @since S60 3.2

     * @param aKey Property which was deleted

     */

     virtual void PropertyDeleted( TInt aKey ) = 0;

    };

#endif // M_SVPPROPERTYWATCHOBSERVER_H