/*

* Copyright (c) 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: 

*       Central Repository notifier and callback

*

*/

#ifndef CMCSSATNOTIFIER_H

#define CMCSSATNOTIFIER_H

// INCLUDES

#include <e32base.h>

#include <e32property.h>

/*

*   Callback for notifier.

*/

class MMcsSATNotifierCallback

    {

    public:

        /**

         * SATChangeL is called when the subscribed key has been changed

         * 

         */

        virtual void SATChangeL() = 0;

    };

// FORWARD DECLARATIONS

/**

 * Central repository notifier

 */

class CMcsSatNotifier : public CActive

    {

    public: // Construction and destruction

        /**

         * Creates an instance of CMenuSatNotifier implementation.

         * @param aCallBack Reference to notifier interface

         * @param aCategory application uid

         * @param aKey key for central repository

         */

    IMPORT_C   static CMcsSatNotifier* NewL( MMcsSATNotifierCallback* aCallback,

                                       TUid aCategory, 

                                       TUint aKey );

        /**

         * Destructor.

         */

        virtual ~CMcsSatNotifier();

    private: // From base classes

        /**

        * From CActive.

        */

        void DoCancel();

        void RunL();

        TInt RunError( TInt aError );

    private:

        // Constructor

        CMcsSatNotifier( MMcsSATNotifierCallback* aCallback, 

                                    TUid aCategory, 

                                    TUint aKey );

        /**

        * By default Symbian 2nd phase constructor is private.

        */

        void ConstructL();

    private: // Data

        // User side interface to Publish & Subscribe.

        RProperty iProperty;

        // Interface for notifying changes in SAT

        MMcsSATNotifierCallback* iCallback;

        // category uid

        TUid    iCategory;

        // key identifier

        TUint   iKey;

    };

#endif // CMCSSATNOTIFIER_H

// End of File