sl@0: // Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).
sl@0: // All rights reserved.
sl@0: // This component and the accompanying materials are made available
sl@0: // under the terms of the License "Eclipse Public License v1.0"
sl@0: // which accompanies this distribution, and is available
sl@0: // at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0: //
sl@0: // Initial Contributors:
sl@0: // Nokia Corporation - initial contribution.
sl@0: //
sl@0: // Contributors:
sl@0: //
sl@0: // Description:
sl@0: //
sl@0: 
sl@0: /**
sl@0:  @file
sl@0:  @internalTechnology
sl@0: */
sl@0: 
sl@0: #ifndef TMSMEMMAP_H
sl@0: #define TMSMEMMAP_H
sl@0: 
sl@0: 
sl@0: 
sl@0: class TMsDataMemMap
sl@0: 	{
sl@0: public:
sl@0:     static const TInt KSectorSize = 0x200; // 512
sl@0:     static const TInt KFormatSectorShift = 9;
sl@0: 
sl@0: 	TMsDataMemMap();
sl@0:     void Reset();
sl@0: 
sl@0:     void InitDataArea(TUint32 aFirstDataSector, TUint32 aNumSectors);
sl@0:     void InitDataArea(TUint64 aSize);
sl@0: 
sl@0:     TInt BlockLength() const;
sl@0:     TUint64 DataSize() const;
sl@0: 
sl@0:     TInt64 GetDataPos(TInt64 aPos) const;
sl@0:     TInt TranslateDataPos(TInt64& aPos, TInt& aLength) const;
sl@0:     TInt CheckBlockInRange(TInt64& aPos, TInt aLength) const;
sl@0: 
sl@0: private:
sl@0:     // Whole media
sl@0:     // Size
sl@0:     TUint64 iSize;
sl@0: 
sl@0:     // Data Area
sl@0:     // Offset
sl@0:     TInt64 iDataOffset;
sl@0: 	};
sl@0: 
sl@0: #include "tmsmemmap.inl"
sl@0: 
sl@0: #endif // TMSMEMMAP_H