// Copyright (c) 2008-2010 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:

//

/**

 @file

 @internalTechnology

*/

#ifndef TMSMEMMAP_H

#define TMSMEMMAP_H

class TMsDataMemMap

	{

public:

	TMsDataMemMap();

    void Reset();

    void InitDataArea(TUint32 aFirstDataSector, TUint32 aNumSectors, TUint32 aSectorSize);

    void InitDataArea(TUint64 aSize);

    TUint32 BlockLength() const;

    TUint64 DataSize() const;

    TInt64 GetDataPos(TInt64 aPos) const;

    TInt TranslateDataPos(TInt64& aPos, TInt& aLength) const;

    TInt CheckBlockInRange(TInt64& aPos, TInt aLength) const;

    TInt FormatSectorShift() const;

private:

    // Whole media

    // Size

    TUint64 iSize;

    // Data Area

    // Offset

    TInt64 iDataOffset;

    // Sector Size (Media Block Size)

    TUint32 iSectorSize;

    // Sector-size dependant

    TInt iFormatSectorShift;

	};

#include "tmsmemmap.inl"

#endif // TMSMEMMAP_H