diff -r 491b3ed49290 -r 65326cf895ed filemanager/bkupengine/inc/CMMCScBkupArchiveDataManager.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/filemanager/bkupengine/inc/CMMCScBkupArchiveDataManager.h	Wed Sep 01 12:31:07 2010 +0100
@@ -0,0 +1,223 @@
+/*
+* 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 of CMMCScBkupArchiveDataManager
+*     
+*
+*/
+
+#ifndef __CMMCSCBKUPARCHIVEDATAMANAGER_H__
+#define __CMMCSCBKUPARCHIVEDATAMANAGER_H__
+
+// System includes
+#include <f32file.h>
+#include <s32strm.h>
+
+// User includes
+#include "CMMCScBkupBufferManagers.h"
+#include "MMMCScBkupArchiveDataInterface.h"
+#include "TMMCScBkupArchiveVector.h"
+#include "RMMCScBkupArchiveStreams.h"
+#include "MMCScBkupOperations.h"
+#include "MMCScBkupConfig.h"
+
+// Classes referenced
+class CEZCompressor;
+class CEZDecompressor;
+class RMMCScBkupArchiveBuf;
+class MMMCScBkupProgressObserver;
+
+
+/**
+*
+*
+* @since 3.0
+*/
+NONSHARABLE_CLASS(CMMCScBkupArchiveDataManager) : public CActive, public MMMCScBkupArchiveDataInterface
+    {
+    public:
+
+        /**
+        * Static constructor
+        */
+        static CMMCScBkupArchiveDataManager* NewL( RFs& aFsSession, RFile64& aFile, MMMCScBkupProgressObserver& aProgressManager );
+
+        /**
+        * C++ destructor
+        */
+        ~CMMCScBkupArchiveDataManager();
+
+    private:
+
+        /**
+        * C++ default constructor
+        */
+        CMMCScBkupArchiveDataManager( RFs& aFsSession, RFile64& aFile, MMMCScBkupProgressObserver& aProgressManager );
+
+        /**
+        *
+        */
+        void ConstructL();
+
+    public: // API
+
+        /**
+        * Leaves on error, returns offset
+        */
+        TInt CurrentOffsetL() const;
+
+        /**
+        * Returns error or offset
+        */
+        TInt CurrentOffset() const;
+
+    private: // For RMMCScBkupArchiveBuf only
+   
+        /**
+        *
+        */
+        void SetCurrentVector(const TMMCScBkupArchiveVector& aInfo);
+
+
+    private: // From MMMCScBkupArchiveDataInterface
+        RFs& ADIFsSession() const;
+        RFile64& ADIRawArchiveFile() const;
+        //
+        const TMMCScBkupArchiveVector& ADICurrentArchiveVectorInfo() const;
+        const TMMCScBkupArchiveVector& ADIOverallArchiveVectorInfo() const;
+        //
+        RWriteStream& ADIWriteStreamUncompressedLC( TInt aPos );
+        RReadStream& ADIReadStreamUncompressedLC( TInt aPos );
+        //
+        const TMMCScBkupArchiveVector& ADIWriteL( const TDesC8& aData );
+        const TMMCScBkupArchiveVector& ADIReadL( TDes8& aSink, const TMMCScBkupArchiveVector& aInfo );
+        //
+        void ADIWriteFileL( const TDesC& aSourceFileName, TRequestStatus& aObserver );
+        void ADIReadFileL( const TDesC& aDestinationFileName, const TMMCScBkupArchiveVector& aInfo, TRequestStatus& aStatus );
+        //
+        void ADIWriteCompressedL( const TDesC8& aData, TRequestStatus& aObserver );
+        void ADIReadDecompressedL( TDes8& aSink, const TMMCScBkupArchiveVector& aInfo, TRequestStatus& aStatus ) ;
+        //
+        void ADIAsynchronousCancel();
+        void ADIResetResources(TMMCScBkupOperationType aType);
+#ifdef RD_FILE_MANAGER_BACKUP
+        void ADIActivateCrcCalculation(TBool aType) { iCrcCalcActivated = aType; }
+        TUint32 ADIArchiveCrc() { return iCrc; }
+#endif
+
+
+    private: // Internal enumerations
+
+        /**
+        *
+        */
+        enum TOperation
+            {
+            EOperationIdle = 0,
+            EOperationCompressing,
+            EOperationDecompressing
+            };
+    
+    private: // Internal methods
+
+        /**
+        *
+        */
+        void EnsureCompressorExistsL(MEZBufferManager& aBufferManager);
+
+        /**
+        *
+        */
+        void EnsureDecompressorExistsL(MEZBufferManager& aBufferManager);
+
+        /**
+        *
+        */
+        void SetObserver(TRequestStatus& aStatus);
+
+        /**
+        *
+        */
+        void CompleteSelf(TInt aCompletionCode = KErrNone);
+
+        /**
+        *
+        */
+        void CompleteObserver(TInt aCompletionCode = KErrNone);
+
+        /**
+        *
+        */
+        void SetOperation(TOperation aOperation);
+        
+#ifdef RD_FILE_MANAGER_BACKUP
+        /**
+        *
+        */
+        void CalculateCrc( const TAny* aPtr,TInt aLength );
+#endif
+
+
+    private: // From CActive
+        void RunL();
+        void DoCancel();
+        TInt RunError(TInt aError);
+
+    private: // Member data
+
+        // Owned externally:
+        // 
+        RFs& iFsSession;
+        //
+        RFile64& iFile;
+        //
+        MMMCScBkupProgressObserver& iProgressManager;
+        //
+        TRequestStatus* iObserverStatus;
+
+        // Owned by this object
+        //
+        TOperation iOperation;
+        //
+        CMMCScBkupBufferManagerBase* iBufferManager;
+        //
+        CEZCompressor* iCompressor;
+        //
+        CEZDecompressor* iDecompressor;
+        //
+        TMMCScBkupArchiveVector iCurrentVectorInfo;
+        //
+        TMMCScBkupArchiveVector iOverallArchiveVectorInfo;
+        //
+        RMMCScBkupArchiveWriteStream iWriteStream;
+        //
+        RMMCScBkupArchiveReadStream iReadStream;
+#ifdef RD_FILE_MANAGER_BACKUP
+        //
+        TBool iCrcCalcActivated;
+        //
+        TUint32 iCrc;
+#if defined(__MMCSCBKUPLOGGING_ENABLED__)
+        TUint32 iTotalTickCount;
+#endif
+#endif // RD_FILE_MANAGER_BACKUP
+
+        friend class RMMCScBkupArchiveBuf;
+    };
+
+
+
+
+#endif // __CMMCSCBKUPARCHIVEDATAMANAGER_H__
+
+//End of File