--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/filemanager/bkupengine/inc/CMMCScBkupBufferManagers.h	Mon Jan 18 20:09:41 2010 +0200
@@ -0,0 +1,428 @@
+/*
+* 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 CMMCScBkupBufferManagerBase
+*     
+*
+*/
+
+#ifndef __CMMCSCBKUPBUFFERMANAGERS_H__
+#define __CMMCSCBKUPBUFFERMANAGERS_H__
+
+// User includes
+#include <e32std.h>
+#include <e32cmn.h>
+#include <f32file.h>
+#include <ezbufman.h>
+
+// User includes
+#include "TMMCScBkupArchiveVector.h"
+
+// Classes referenced
+class MMMCScBkupArchiveDataInterface;
+class CMMCScBkupDataStrategy;
+class MMMCScBkupProgressObserver;
+
+// Constants
+const TInt KScBkupDefaultBufferSize = 0x4000;
+
+/**
+*
+*
+* @since 3.0
+*/
+NONSHARABLE_CLASS(CMMCScBkupBufferManagerBase) : public CBase, public MEZBufferManager 
+    {
+    public: // Enumerations
+
+        /**
+        *
+        */
+        enum TType
+            {
+            ETypeDescriptorToArchive = 0,
+            ETypeFileToArchive,
+            ETypeArchiveToDescriptor,
+            ETypeArchiveToFile
+            };
+
+    public: // Construct / destruct
+
+        /**
+        *
+        */
+        static CMMCScBkupBufferManagerBase* NewByTypeL( TType aType, MMMCScBkupProgressObserver& aProgressManager, MMMCScBkupArchiveDataInterface& aADI, TAny* aParam1 = NULL, TAny* aParam2 = NULL );
+
+        /**
+        *
+        */
+        ~CMMCScBkupBufferManagerBase();
+
+    protected: // Internal construct
+
+        /**
+        *
+        */
+        CMMCScBkupBufferManagerBase( MMMCScBkupProgressObserver& aProgressManager, MMMCScBkupArchiveDataInterface& aADI, TType aType );
+
+        /**
+        *
+        */
+        virtual void ConstructL( TInt aBufferSize = KScBkupDefaultBufferSize );
+
+    public: // Framework API
+
+        /**
+        *
+        */
+        inline TType Type() const { return iType; }
+
+        /**
+        *
+        */
+        inline const TMMCScBkupArchiveVector& Info() const { return iInfo; }
+
+        /**
+        *
+        */
+        inline TMMCScBkupArchiveVector& Info() { return iInfo; }
+
+        /**
+        *
+        */
+        virtual void InitializeL( TAny* aParam1 = NULL, TAny* aParam2 = NULL ) = 0;
+
+    protected: // Internal methods
+
+        /**
+        *
+        */
+        inline TPtr8& WriteBuffer() { return iBufferPointer; }
+
+        /**
+        *
+        */
+        inline const TDesC8& DataView() const { return *iBuffer; }
+
+        /**
+        *
+        */
+        inline MMMCScBkupProgressObserver& ProgressManager() const { return iProgressManager; }
+
+        /**
+        *
+        */
+        inline MMMCScBkupArchiveDataInterface& ADI() const { return iADI; }
+
+        /**
+        *
+        */
+        void WriteToArchiveAndUpdateStatsL( const TDesC8& aData );
+
+    private:
+
+        /**
+        *
+        */
+        TType iType;
+
+        /**
+        *
+        */
+        HBufC8* iBuffer;
+
+        /**
+        *
+        */
+        TPtr8 iBufferPointer;
+
+        /**
+        *
+        */
+        MMMCScBkupProgressObserver& iProgressManager;
+
+        /**
+        *
+        */
+        MMMCScBkupArchiveDataInterface& iADI;
+
+        /**
+        *
+        */
+        TMMCScBkupArchiveVector iInfo;
+    };
+
+
+
+/**
+*
+*
+* @since 3.0
+*/
+NONSHARABLE_CLASS(CMMCScBkupBufferManagerDescriptorToArchive) : public CMMCScBkupBufferManagerBase
+    {
+    private:
+
+        /**
+        *
+        */
+        CMMCScBkupBufferManagerDescriptorToArchive( MMMCScBkupProgressObserver& aProgressManager, MMMCScBkupArchiveDataInterface& aADI );
+
+        /**
+        *
+        */
+        static CMMCScBkupBufferManagerDescriptorToArchive* NewL( MMMCScBkupProgressObserver& aProgressManager, MMMCScBkupArchiveDataInterface& aADI );
+
+    public: // From CMMCScBkupBufferManagerBase
+        void InitializeL(TAny* aParam1, TAny* aParam2);
+
+    private: // From MEZBufferManager
+        void InitializeL( CEZZStream& aZStream );
+        void NeedInputL( CEZZStream& aZStream );
+        void NeedOutputL( CEZZStream& aZStream );
+        void FinalizeL( CEZZStream& aZStream );
+
+    private: // Data members
+
+        /**
+        *
+        */
+        TPtrC8 iSource;
+
+        friend class CMMCScBkupBufferManagerBase;
+    };
+
+
+
+
+/**
+*
+*
+* @since 3.0
+*/
+NONSHARABLE_CLASS(CMMCScBkupBufferManagerFileToArchive) : public CMMCScBkupBufferManagerBase 
+    {
+    public:
+
+        /**
+        *
+        */
+        ~CMMCScBkupBufferManagerFileToArchive();
+
+    private:
+
+        /**
+        *
+        */
+        CMMCScBkupBufferManagerFileToArchive( MMMCScBkupProgressObserver& aProgressManager, MMMCScBkupArchiveDataInterface& aADI );
+
+        /**
+        *
+        */
+        void ConstructL(const TDesC& aFileName);
+
+        /**
+        *
+        */
+        static CMMCScBkupBufferManagerFileToArchive* NewL( MMMCScBkupProgressObserver& aProgressManager, MMMCScBkupArchiveDataInterface& aADI );
+
+    public: // From CMMCScBkupBufferManagerBase
+        void InitializeL(TAny* aParam1, TAny* aParam2);
+
+    private: // From MEZBufferManager
+        void InitializeL( CEZZStream& aZStream );
+        void NeedInputL( CEZZStream& aZStream );
+        void NeedOutputL( CEZZStream& aZStream );
+        void FinalizeL( CEZZStream& aZStream );
+
+    private: // Data members
+
+        /**
+        *
+        */
+        CMMCScBkupDataStrategy* iReadStrategy;
+
+        /**
+        *
+        */
+        HBufC8* iOutput;
+
+        /**
+        *
+        */
+        TPtr8 iOutputPointer;
+        
+        /**
+        * Useful for debugging
+        */
+        TPtrC iFileName;
+
+        friend class CMMCScBkupBufferManagerBase;
+    };
+
+
+
+
+
+
+/**
+*
+*
+* @since 3.0
+*/
+NONSHARABLE_CLASS(CMMCScBkupBufferManagerArchiveToDescriptor) : public CMMCScBkupBufferManagerBase
+    {
+    public:
+
+        /**
+        *
+        */
+        ~CMMCScBkupBufferManagerArchiveToDescriptor();
+
+    private:
+
+        /**
+        *
+        */
+        CMMCScBkupBufferManagerArchiveToDescriptor( MMMCScBkupProgressObserver& aProgressManager, MMMCScBkupArchiveDataInterface& aADI );
+
+        /**
+        *
+        */
+        static CMMCScBkupBufferManagerArchiveToDescriptor* NewL( MMMCScBkupProgressObserver& aProgressManager, MMMCScBkupArchiveDataInterface& aADI );
+
+    public: // From CMMCScBkupBufferManagerBase
+        void InitializeL(TAny* aParam1, TAny* aParam2);
+
+    private: // From MEZBufferManager
+        void InitializeL( CEZZStream& aZStream );
+        void NeedInputL( CEZZStream& aZStream );
+        void NeedOutputL( CEZZStream& aZStream );
+        void FinalizeL( CEZZStream& aZStream );
+
+    private: // Internal methods
+        
+        /**
+        *
+        */
+        void TryToReadMoreSourceDataL();
+
+    private: // Data members
+
+        /**
+        *
+        */
+        TPtr8 iOutputPointer;
+
+        friend class CMMCScBkupBufferManagerBase;
+    };
+
+
+
+
+
+
+
+
+
+/**
+*
+*
+* @since 3.0
+*/
+NONSHARABLE_CLASS(CMMCScBkupBufferManagerArchiveToFile) : public CMMCScBkupBufferManagerBase 
+    {
+    public:
+
+        /**
+        *
+        */
+        ~CMMCScBkupBufferManagerArchiveToFile();
+
+    private:
+
+        /**
+        *
+        */
+        CMMCScBkupBufferManagerArchiveToFile( MMMCScBkupProgressObserver& aProgressManager, MMMCScBkupArchiveDataInterface& aADI );
+
+        /**
+        *
+        */
+        void ConstructL(const TDesC& aFileName);
+
+        /**
+        *
+        */
+        static CMMCScBkupBufferManagerArchiveToFile* NewL( MMMCScBkupProgressObserver& aProgressManager, MMMCScBkupArchiveDataInterface& aADI );
+
+    public: // From CMMCScBkupBufferManagerBase
+        void InitializeL(TAny* aParam1, TAny* aParam2);
+
+    private: // From MEZBufferManager
+        void InitializeL( CEZZStream& aZStream );
+        void NeedInputL( CEZZStream& aZStream );
+        void NeedOutputL( CEZZStream& aZStream );
+        void FinalizeL( CEZZStream& aZStream );
+
+    private: // Internal methods
+        
+        /**
+        *
+        */
+        void TryToReadMoreSourceDataL();
+
+    private: // Data members
+
+        /**
+        *
+        */
+        CMMCScBkupDataStrategy* iWriteStrategy;
+
+        /**
+        *
+        */
+        HBufC8* iOutput;
+
+        /**
+        *
+        */
+        TPtr8 iOutputPointer;
+        
+        /**
+        * Needed, since we restore to temporary file
+        * and then delete and rename temp file if
+        * extraction succeeds.
+        */
+        TPtrC iFileName;
+
+        friend class CMMCScBkupBufferManagerBase;
+    };
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+#endif // __CMMCSCBKUPBUFFERMANAGERS_H__
+
+//End of File