1 /*

     2 * Copyright (c) 2007 Nokia Corporation and/or its subsidiary(-ies). 

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:  Callback interface for CCamPropertyWatcher

    15 *

    16 *  Copyright © 2007 Nokia.  All rights reserved.

    17 *  This material, including documentation and any related computer

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

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

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

    21 *  prior written consent of Nokia.  This material also contains

    22 *  confidential information which may not be disclosed to others

    23 *  without the prior written consent of Nokia.

    24 

    25 *

    26 *  

    27 *

    28 * ---------------------------------------------------------------------------

    29 *

    30 */

    31 

    32 #ifndef CAMPROPERTYOBSERVER_H

    33 #define CAMPROPERTYOBSERVER_H

    34 

    35 // CLASS DECLARATION

    36 

    37 /**

    38 * Abstract API for property observer. 

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

    40 *

    41 *  @since 2.8

    42 */

    43 class MPropertyObserver

    44     {

    45 public:

    46     /**

    47     * The value of a watched property has changed

    48     * @since 2.8

    49     * @param aCategory the category of the property

    50     * @param aKey the identifier of the property

    51     */

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

    53     };

    54 

    55 #endif // CAMPROPERTYOBSERVER_H

    56 

    57 // End of File