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// Copyright (c) 2004-2009 Nokia Corporation and/or its subsidiary(-ies).
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// All rights reserved.
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// This component and the accompanying materials are made available
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// under the terms of "Eclipse Public License v1.0"
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// which accompanies this distribution, and is available
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// at the URL "http://www.eclipse.org/legal/epl-v10.html".
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//
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// Initial Contributors:
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// Nokia Corporation - initial contribution.
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//
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// Contributors:
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//
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// Description:
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//
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#ifndef __FILE_ACCESS_H__
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#define __FILE_ACCESS_H__
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#include <caf/content.h>
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#include <caf/data.h>
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#include <mmf/common/mmcaf.h>
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// Abstract class providing generic file access
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class MGenericFile
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{
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public:
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virtual ~MGenericFile();
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virtual TInt Seek(TSeek aSeekMode, TInt aPosition)=0;
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virtual TInt Read(TDes8& aDes,TInt aLength)=0;
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virtual void Read(TDes8& aDes, TInt aLength, TRequestStatus& aStatus)=0;
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virtual TInt Write(const TDesC8& aDes,TInt aLength)=0;
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virtual void Write(const TDesC8& aDes, TInt aLength, TRequestStatus& aStatus)=0;
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virtual TInt Size(TInt& aSize)=0;
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virtual TInt SetSize(TInt aSize)=0;
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virtual TInt EvaluateIntent(const ContentAccess::TIntent aIntent) const = 0;
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virtual TInt ExecuteIntent(const ContentAccess::TIntent aIntent) = 0;
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virtual TBool IsProtected()const = 0;
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// legacy file support - better to use Data()
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virtual RFile& FileL()=0;
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virtual TInt SetAgentProperty(ContentAccess::TAgentProperty aProperty, TInt aValue) = 0;
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virtual TInt Read(TInt aPosition, TDes8& aDes, TInt aLength, TRequestStatus& aStatus) = 0;
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// access to CData
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virtual TInt Data(ContentAccess::CData*& aData) = 0;
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};
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// Provide RFile based file access - only now used for recording
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class CF32File : public CBase, public MGenericFile
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{
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public:
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static CF32File* NewL(RFs& aSession, TDesC& aPath, TUint aMode);
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static CF32File* NewL(RFile& aFile);
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void ConstructL(RFile& aFile);
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void ConstructL(RFs& aSession, TDesC& aPath, TUint aMode);
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virtual ~CF32File();
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// from MGenericFile
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virtual TInt Seek(TSeek aSeekMode, TInt aPosition);
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virtual TInt Read(TDes8& aDes,TInt aLength);
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virtual void Read(TDes8& aDes, TInt aLength, TRequestStatus& aStatus);
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virtual TInt Write(const TDesC8& aDes,TInt aLength);
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virtual void Write(const TDesC8& aDes, TInt aLength, TRequestStatus& aStatus);
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virtual TInt Size(TInt& aSize);
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virtual TInt SetSize(TInt aSize);
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virtual TInt EvaluateIntent(const ContentAccess::TIntent aIntent) const;
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virtual TInt ExecuteIntent(const ContentAccess::TIntent aIntent);
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virtual TBool IsProtected() const;
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virtual RFile& FileL();
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virtual TInt SetAgentProperty(ContentAccess::TAgentProperty, TInt aValue);
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virtual TInt Read(TInt aPosition, TDes8& aDes, TInt aLength, TRequestStatus& aStatus);
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virtual TInt Data(ContentAccess::CData*& aData);
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private:
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CF32File();
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private:
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RFs* iSession; // not owned
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HBufC* iFilePath;
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RFile iFile;
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TBool iFileHandle;
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TInt iFileSize;
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};
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// Provides content access framework based file access
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class CContentFile : public CBase, public MGenericFile
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{
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public:
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static CContentFile* NewL(RFs& aSession, const TDesC& aPath, const TDesC& aUniqueId, TUint aMode, TBool aEnableUI);
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void ConstructL(RFs& aSession, const TDesC& aPath, const TDesC& aUniqueId, TUint aMode, TBool aEnableUI);
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static CContentFile* NewL(RFile& aFile, const TDesC& aUniqueId, TBool aEnableUI);
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void ConstructL(RFile& aFile, const TDesC& aUniqueId, TBool aEnableUI);
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virtual ~CContentFile();
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// from MGenericFile
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virtual TInt Seek(TSeek aSeekMode, TInt aPosition);
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virtual TInt Read(TDes8& aDes,TInt aLength);
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virtual void Read(TDes8& aDes, TInt aLength, TRequestStatus& aStatus);
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virtual TInt Write(const TDesC8& aDes,TInt aLength);
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virtual void Write(const TDesC8& aDes, TInt aLength, TRequestStatus& aStatus);
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virtual TInt Size(TInt& aSize);
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virtual TInt SetSize(TInt aSize);
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virtual TInt EvaluateIntent(const ContentAccess::TIntent aIntent) const;
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virtual TInt ExecuteIntent(const ContentAccess::TIntent aIntent);
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virtual TBool IsProtected() const;
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virtual RFile& FileL();
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virtual TInt SetAgentProperty(ContentAccess::TAgentProperty, TInt aValue);
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virtual TInt Read(TInt aPosition, TDes8& aDes, TInt aLength, TRequestStatus& aStatus);
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virtual TInt Data(ContentAccess::CData*& aData);
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private:
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CContentFile();
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private:
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RFs* iSession; // not owned
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HBufC* iFilePath;
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ContentAccess::CData* iData;
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RFile iLegacyFile;
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RFile64 iFile64; //For defect EASA-84ZC6J
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TBool iLegacyFileOpen;
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};
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inline CF32File::CF32File()
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{
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}
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inline CContentFile::CContentFile()
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{
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}
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inline MGenericFile::~MGenericFile()
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{
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}
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#endif //__FILE_ACCESS_H__
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