/*

* 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: Declaration for RMMCScBkupArchiveReadStream

*     

*

*/

#ifndef __RMMCSCBKUPARCHIVESTREAMS_H__

#define __RMMCSCBKUPARCHIVESTREAMS_H__

// System includes

#include <s32strm.h>

#include <s32file.h>

// User includes

#include "TMMCScBkupArchiveVector.h"

// Classes referenced

class CMMCScBkupArchiveDataManager;

/**

*

*

* @since 3.0

*/

NONSHARABLE_CLASS(RMMCScBkupArchiveBuf) : public RFileBuf

    {

    public:

        /**

        *

        */

        RMMCScBkupArchiveBuf();

    public: // API

        /**

        *

        */

        void AttachL(CMMCScBkupArchiveDataManager& aADM, RFile64& aFile, TInt aPos, TBool aForWrite );

        /**

        *

        */

        IMPORT_C void Close();

        /**

        *

        */

        TBool IsOpen() const;

    private: // From MStreamBuf

        /**

        *

        */

        void DoRelease();

        /**

        *

        */

        void DoSynchL();

#ifdef RD_FILE_MANAGER_BACKUP

        /**

        *

        */

        void DoWriteL(const TAny* aPtr,TInt aLength);

#endif

    private:

        /**

        *

        */

        void UpdateInfoL();

    private: // Member data

        //

        TBool iWriteMode;

        //

        CMMCScBkupArchiveDataManager* iADM;

        //

        TMMCScBkupArchiveVector iInfo;

    };

/**

*

*

* @since 3.0

*/

NONSHARABLE_CLASS(RMMCScBkupArchiveReadStream) : public RReadStream

    {

    public: // Constructors

        /**

        *

        */

        inline RMMCScBkupArchiveReadStream() { }

    public: // API

        /**

        *

        */

        void OpenLC(CMMCScBkupArchiveDataManager& aADM, RFile64& aArchiveFile, TInt aPos=0);

        /**

        *

        */

        TBool IsOpen() const;

    private: // Member data

        //

        RMMCScBkupArchiveBuf iSource;

    };

/**

*

*

* @since 3.0

*/

NONSHARABLE_CLASS(RMMCScBkupArchiveWriteStream) : public RWriteStream

    {

    public: // Constructors

        /**

        *

        */

        inline RMMCScBkupArchiveWriteStream()

            {}

    public: // API

        /**

        *

        */

        void OpenLC(CMMCScBkupArchiveDataManager& aADM, RFile64& aArchiveFile, TInt aPos=0);

        /**

        *

        */

        TBool IsOpen() const;

    private: // Member data

        //

        RMMCScBkupArchiveBuf iSink;

    };

#endif // __RMMCSCBKUPARCHIVESTREAMS_H__

//End of File