1 /*

     2 * Copyright (c) 2005-2008 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 for Publish & Subscribe observation

    15 *

    16 */

    17 

    18 

    19 #ifndef M_PSCALLBACK_H

    20 #define M_PSCALLBACK_H

    21 

    22 #include <e32base.h>

    23 

    24 namespace AiXmlUiController

    25 {

    26 	

    27 class MPSCallback

    28 	{

    29 	public:

    30 	

    31 		/**

    32 		 * Callback method for P&S observer.

    33 		 * Called when appropriate value has been updated.

    34 		 * @param aKey Key that has been observed.

    35 		 * @param aValue New Value

    36 		 */

    37 		virtual void ValueUpdatedL( TInt aKey, TInt aValue ) = 0;	

    38    

    39     protected:

    40 

    41         /**

    42          * Protected destructor prevents deletion through this interface.

    43          */

    44         MPSCallback() {};	

    45 	};

    46 	

    47 } // namespace AiXmlUiController

    48 

    49 #endif // M_PSCALLBACK_H