/*

* Copyright (c) 2006 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:  Container store delete handler.

*

*/

#ifndef __CONTAINER_STORE_DELETE_HANDLER_H__

#define __CONTAINER_STORE_DELETE_HANDLER_H__

// ========

// INCLUDES

// ========

#include <e32base.h>

#include <d32dbms.h>  // database

//<cmail>

//</cmail>

#include "ContainerStore.h"

// =======

// CLASSES

// =======

// =====================

// CLASS: CDeleteHandler

// =====================

class CDeleteHandler : private CActive

    {

    public:

        enum TState

            {

            ERetryDelete,

            EDelete

            };

        // ==============

        // PUBLIC METHODS

        // ==============

        static CDeleteHandler* NewL( CContainerStore&               aContainerStore, 

                                     MBackgroundOperationsObserver& aBackgroundOperationsObserver, 

                                     TInt                           aPriority );

        virtual ~CDeleteHandler();

        void Start();

        void FinishDeletes();

    private:

        // ===============

        // PRIVATE METHODS

        // ===============

        CDeleteHandler( CContainerStore&               aContainerStore, 

                        MBackgroundOperationsObserver& aBackgroundOperationsObserver, 

                        TInt                           aPriority );

        void Reschedule();

        void FindContainerToDeleteL();

        TBool DoNextDelete();

		// inherited from CActive

		virtual void RunL();

		virtual void DoCancel();

	    CContainerStore&               iContainerStore;

        MBackgroundOperationsObserver& iBackgroundOperationsObserver;

	    // =============

	    // PRIVATE TYPES

	    // =============

	    struct TStackNode

	        {

	        TContainerId iId;

	        TDbBookmark  iBookmark;

	        };

	    // ==================

	    // PRIVATE ATTRIBUTES

	    // ==================

	    RArray<TStackNode> iStack;

        TState iState;

	    __LOG_DECLARATION

    }; // end class CDeleteHandler

#endif