--- /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