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