/*

* Copyright (c) 2004 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of the License "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: 

*      Declaration of class RFavouritesSrvDbNotifier.

*      

*

*/

#ifndef FAVOURITES_SRV_DB_NOTIFIER_H

#define FAVOURITES_SRV_DB_NOTIFIER_H

//  INCLUDES

#include <e32base.h>

#include <d32dbms.h>

// FORWARD DECLARATIONS

class CFavouritesSrvDb;

// CLASS DECLARATION

/**

* Server side change notifier for the Favourites Engine.

*/

NONSHARABLE_CLASS(CFavouritesSrvDbNotifier): public CActive

    {

    public:     // construct / destruct

        /**

        * Two phase constructor. Leaves on failure.

        * @param aDb The database to be watched.

        */

        static CFavouritesSrvDbNotifier* NewL( CFavouritesSrvDb& aDb );

        /**

        * Destructor.

        */

        virtual ~CFavouritesSrvDbNotifier();

    protected:  // construct

        /**

        * Constructor. Leaves on failure.

        */

        CFavouritesSrvDbNotifier();

        /**

        * Second phase constructor. Leaves on failure.

        * @param aDb The database to be watched.

        */

        void ConstructL( CFavouritesSrvDb& aDb );

    protected:  // from CActive

        /**

        * Invoked when the outstanding request completes.

        */

        void RunL();

        /**

        * Implementation of the Cancel protocol;

        * cancel any outstanding request.

        */

        void DoCancel();

    public:     // new methods

        /**

        * Request notification about all database events.

        * @param aMessage Message.

        */

        void NotifyAllEvents( const RMessage2& aMessage );

        /**

        * Request notification about database changes.

        * @param aMessage Message.

        */

        void NotifyChange( const RMessage2& aMessage );

    private:        // Data

        RDbNotifier iNotifier;  ///< DBMS notifier object.

        RMessage2 iMessage;     ///< The message.

    };

#endif

// End of File