/*

* 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 encrypt handler.

*

*/

#ifndef MESSAGE_STORE_ENCRYPT_HANDLER_H_

#define MESSAGE_STORE_ENCRYPT_HANDLER_H_

#include "ContainerStore.h"

#include "ContainerStoreDefs.h"

#include "EncryptableTable.h"

class CContainerStoreGeneralTable;

class CContainerStoreUtils;

//class MEncryptHandlerObserver

//    {

//    public:

//        virtual void EncryptOrDecryptComplete( TInt aErrCode ) = 0;

//    };

/** The class encrypt database records asynchronoously. */   

class CMessageStoreEncryptHandler : private CActive

    {

    public:

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

        // PUBLIC METHODS

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

        static CMessageStoreEncryptHandler* NewL( CContainerStoreGeneralTable& aGeneralTable,

                                                   CContainerStoreUtils&        aUtils,

                                                   TInt                         aPriority );

        virtual ~CMessageStoreEncryptHandler();

        void AddEncryptableTableL( MEncryptableTable* aEncryptableTable );

        void EncryptL();

        void DecryptL();

        void StartL();

        TBool IsInProgress() { return IsActive(); }

    private:

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

        // PRIVATE METHODS

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

        CMessageStoreEncryptHandler(  CContainerStoreGeneralTable& aGeneralTable,

                                       CContainerStoreUtils&        aUtils,

                                       TInt                         aPriority );

        void ConstructL();

        void ScheduleNext();

        void DoNextOperationL();

        void InitState();

        // inherited from CActive

        void RunL();

        void DoCancel();

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

        // PRIVATE ATTRIBUTES

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

        CContainerStoreGeneralTable&     iGeneralTable;

        CContainerStoreUtils&            iUtils;

        TEncryptionState                 iEncryptionState;  //EIdle, EEncrypting, EDecrypting

        RPointerArray<MEncryptableTable> iEncryptableTables;

        TInt                             iCurTableIndex;

        TBool                            iIsFirstInTable;

        TDbBookmark                      iBookmark;

        __LOG_DECLARATION

    }; // end MESSAGE_STORE_ENCRYPT_HANDLER_H_

#endif /*CONTAINER_STORE_ENCRYPT_HANDLER_H_*/