/*

* Copyright (c) 2005-2009 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: 

*

*/

 /********************************************************************************

 *

 * CDataSupplierFile

 *

 ********************************************************************************/

#ifndef __CDATASUPPLIERFILE_H__

#define __CDATASUPPLIERFILE_H__

 /*************************************************************************

 *

 * System Includes

 *

 *************************************************************************/

#include <e32std.h>

#include <e32base.h>

#include <f32file.h>

/********************************************************************************

 *

 * Local Includes

 *

 ********************************************************************************/

#include "stat_interfaces.h"

/********************************************************************************

 *

 * Types

 *

 ********************************************************************************/

class CDataSupplierFile :  public CBase, public MDataSupplier

{

public:

	// Construction and destruction

	static CDataSupplierFile *NewL( void );

	// from MDataSupplier

	void	Delete( void );

	TInt	GetTotalSize( TInt &aTotalSize );

	TInt	GetRemainingSize( TInt &aRemainingSize );

	// The data source is a string representing a file path.

	TInt 	SetData( const TDesC8 &aSource );

	TInt	GetData( HBufC8 &aDestination,

				TInt aLengthToCopy, TInt &aActuallyCopied );

private:

	CDataSupplierFile( void );

	virtual ~CDataSupplierFile();

	void ConstructL( void );

	HBufC8	*iDataBuffer;

	TInt	iCurrentLocation;

	TPath	iFilePath;

	RFs		iFsSession;

	RMutex	iLock;

};

#endif // __CDATASUPPLIERFILE_H__