/*

* Copyright (c) 2002 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: 

*      Contact database rollback event listener.

*

*/

#ifndef __CPbkDbRecovery_H__

#define __CPbkDbRecovery_H__

// INCLUDES

#include <cntdb.h>

// FORWARD DECLARATIONS

class MPbkRecoveryErrorHandler;

// CLASS DECLARATION

/**

 * Contact database rollback event listener.

 */

class CPbkDbRecovery : 

        public CBase,

        public MContactDbObserver

    {

    public: // Constructors and Destructor

        /**

         * Creates a new instance of this class.

		 * @param aDb Reference to contact database

         */

        IMPORT_C static CPbkDbRecovery* NewL(CContactDatabase& aDb);

        /**

         * Destructor.

         */

        ~CPbkDbRecovery();

    public:  // New functions

        /**

         * Sets a recovery error handler.

         */

        IMPORT_C void SetErrorHandler(MPbkRecoveryErrorHandler* aErrorHandler);

    private:  // from MContactDbObserver

	    void HandleDatabaseEventL(TContactDbObserverEvent aEvent);

    private:  // Implementation

        CPbkDbRecovery(CContactDatabase& aDb);

        void ConstructL();

        void StartRecovery();

        TBool DoRecoveryL();

        static TInt DoRecoveryL(TAny* aSelf);

    private:  // Data

		/// Ref: contact database

        CContactDatabase& iDb;

		/// Own:: contact db change notifier

        CContactChangeNotifier* iDbChangeNotifier;

		/// Ref: error handler

        MPbkRecoveryErrorHandler* iErrorHandler;

		/// Own:: starter for asynchronous callback process

        CIdle* iStarter;

    };

#endif // __CPbkDbRecovery_H__

// End of File