/*

* Copyright (c) 2007 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:  Callback interface for CCamPropertyWatcher

*

*  Copyright © 2007 Nokia.  All rights reserved.

*  This material, including documentation and any related computer

*  programs, is protected by copyright controlled by Nokia.  All

*  rights are reserved.  Copying, including reproducing, storing,

*  adapting or translating, any or all of this material requires the

*  prior written consent of Nokia.  This material also contains

*  confidential information which may not be disclosed to others

*  without the prior written consent of Nokia.

*

*  

*

* ---------------------------------------------------------------------------

*

*/

#ifndef CAMPROPERTYOBSERVER_H

#define CAMPROPERTYOBSERVER_H

// CLASS DECLARATION

/**

* Abstract API for property observer. 

* Derived classes receive notification when the value of a watched property change

*

*  @since 2.8

*/

class MPropertyObserver

    {

public:

    /**

    * The value of a watched property has changed

    * @since 2.8

    * @param aCategory the category of the property

    * @param aKey the identifier of the property

    */

    virtual void HandlePropertyChangedL( const TUid& aCategory, const TUint aKey ) = 0;

    };

#endif // CAMPROPERTYOBSERVER_H

// End of File