/*

* Copyright (c) 2002-2005 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:  Observes when key values are changed

*

*/

#ifndef MCANOTIFIERKEYOBSERVER_H

#define MCANOTIFIERKEYOBSERVER_H

//  INCLUDES

#include <e32base.h>

#include <bldvariant.hrh>

class TUpdatedKey

    {

    public:

        TUpdatedKey() {};

    public:

        TUid    iUid;

        TUint32 iKey;

        TInt    iValue;

    };

/**

*  Notifier inteface for Pub&Sub or shared data key changes

*  (depends on which system is used in the platform)

*

*  @since Series 60 2.6

*/

class MCANotifierKeyObserver

    {

    public: // New functions

        /**

        * This function is called when a PS or shared data key value is changed

        * @param aUpdatedValues

        */

        virtual void HandleKeyChange( TUpdatedKey& aUpdatedValues ) = 0;

    protected: // Destructor

        virtual ~MCANotifierKeyObserver() {};

    };

#endif      // MCANOTIFIERKEYOBSERVER_H 

// End of File