1 /*

     2 * Copyright (c) 2005 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:  Abstract class to observe property value changes

    15 *

    16 */

    17 

    18 

    19 #ifndef __MPHONEPUBSUBOBSERVER_H

    20 #define __MPHONEPUBSUBOBSERVER_H

    21 

    22 // FORWARD DECLARATIONS

    23 

    24 // CLASS DECLARATION

    25 

    26 /**

    27 *  Abstract class to observe the property value changes

    28 */

    29 class MPhonePubSubObserver

    30     {

    31     public: 

    32         

    33         /**

    34         * This function is called when there is property value change.

    35         * @param aCategory Category of the property

    36         * @param aKey Property key that is changed

    37         * @param aValue New property value

    38         */

    39         virtual void HandlePropertyChangedL( 

    40             const TUid& aCategory,

    41             const TUint aKey,

    42             const TInt aValue ) = 0;

    43     };

    44 

    45 #endif      // __MPhonePubSubObserver_H

    46             

    47 // End of File