diff -r 491b3ed49290 -r 65326cf895ed filemanager/bkupengine/inc/CMMCScBkupTransferRequest.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/filemanager/bkupengine/inc/CMMCScBkupTransferRequest.h	Wed Sep 01 12:31:07 2010 +0100
@@ -0,0 +1,225 @@
+/*
+* 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 CMMCScBkupTransferRequestBase 
+*     
+*
+*/
+
+#ifndef __CMMCSCBKUPTRANSFERREQUEST_H__
+#define __CMMCSCBKUPTRANSFERREQUEST_H__
+
+// System includes
+#include <e32base.h>
+#include <connect/sbeclient.h>
+
+// User includes
+#include "TMMCScBkupDriveFilter.h"
+#include "TMMCScBkupOwnerDataType.h"
+#include "TMMCScBkupArchiveVector.h"
+
+// Namespaces
+using namespace conn;
+
+// Classes referenced
+class CMMCScBkupDataOwnerInfo;
+class MMMCScBkupDriver;
+class TMMCScBkupArchiveVector;
+
+
+/**
+*
+*
+* @since 3.0
+*/
+NONSHARABLE_CLASS(CMMCScBkupTransferRequestBase) : public CActive
+    {
+    public:
+
+        /**
+        * C++ destructor
+        */
+        ~CMMCScBkupTransferRequestBase();
+    
+    protected:
+
+        /**
+        * C++ default constructor
+        */
+        CMMCScBkupTransferRequestBase( MMMCScBkupDriver& aDriver, TMMCScBkupOwnerDataType aElementType, TBool aUpdateOperationalSizes = ETrue, TInt aPriority = CActive::EPriorityIdle );
+
+    public: // API
+
+        /**
+        *
+        */
+        virtual void RequestL( CMMCScBkupDataOwnerInfo& aOwner, TRequestStatus& aObserver );
+
+    protected: // From CActive
+        void RunL();
+        void DoCancel();
+        TInt RunError( TInt aError );
+
+    protected: // State relation
+
+        /**
+        *
+        */
+        enum TState
+            {
+            EIdle = 0,
+            EFinished,
+            //
+            ETransferData,
+            EProcessData
+            };
+
+        /**
+        *
+        */
+        inline TState State() const { return iState; }
+
+        /**
+        *
+        */
+        inline void SetState( TState aState ) { iState = aState; }
+
+    protected: // Internal framework API
+
+        /**
+        *
+        */
+        virtual TBool ProcessChunkOfDataL() = 0;
+
+        /**
+        *
+        */
+        virtual void PrepareDataTransferL() = 0;
+
+        /**
+        *
+        */
+        virtual TDriveNumber CurrentDrive() const = 0;
+        
+        /**
+        *
+        */
+        virtual void SingleDriveTransferCompleteL();
+
+        /**
+        *
+        */
+        virtual void TransferCompleteL();
+
+    protected: // Internal methods
+
+        /**
+        *
+        */
+        void CompleteSelf( TInt aCompletionCode = KErrNone );
+
+        /**
+        *
+        */
+        inline MMMCScBkupDriver& Driver() { return iDriver; }
+
+        /**
+        *
+        */
+        inline CMMCScBkupDataOwnerInfo& DataOwner() { return *iDataOwner; }
+
+        /**
+        *
+        */
+        inline const CMMCScBkupDataOwnerInfo& DataOwner() const { return *iDataOwner; }
+
+        /**
+        *
+        */
+        inline TMMCScBkupArchiveVector& Info() { return iCurrentInfo; }
+
+        /**
+        *
+        */
+        inline const TMMCScBkupArchiveVector& Info() const { return iCurrentInfo; }
+        
+        /**
+        *
+        */
+        inline TMMCScBkupOwnerDataType ElementType() const { return iElementType; }
+
+        /**
+        *
+        */
+        inline void DataTransferred( TInt aAmount ) { iDataTransferred += aAmount; }
+
+        /**
+        *
+        */
+        inline TInt AmountOfDataTransferred() const { return iDataTransferred; }
+        
+        /**
+        *
+        */
+        inline void ResetDataTransferCounter() { iDataTransferred = 0; }
+
+    private: // Internal methods
+
+        /**
+        *
+        */
+        void SetObserver( TRequestStatus& aObserver );
+
+        /**
+        *
+        */
+        void CompleteObserverRequest( TInt aCompletionCode );
+
+    private: // Internal state methods
+
+        /**
+        *
+        */
+        void ProcessDataChunkL();
+
+    private: // Member data
+
+        // Owned externally
+        //
+        MMMCScBkupDriver& iDriver;
+        //
+        CMMCScBkupDataOwnerInfo* iDataOwner;
+        //
+        TRequestStatus* iObserver;
+
+        // Owned by this class
+        //
+        TInt iDataTransferred;
+        //
+        TState iState;
+        //
+        TMMCScBkupArchiveVector iCurrentInfo;
+        //
+        const TMMCScBkupOwnerDataType iElementType;
+        //
+        const TBool iUpdateOperationalSizes;
+    };
+
+
+
+
+
+
+#endif // __CMMCSCBKUPTRANSFERREQUEST_H__
+
+//End of File