1 /*

     2 * Copyright (c) 2005-2009 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description: 

    15 *

    16 */

    17 

    18 

    19 

    20  /********************************************************************************

    21  *

    22  * CDataSupplierFile

    23  *

    24  ********************************************************************************/

    25 #ifndef __CDATASUPPLIERFILE_H__

    26 #define __CDATASUPPLIERFILE_H__

    27 

    28  /*************************************************************************

    29  *

    30  * System Includes

    31  *

    32  *************************************************************************/

    33 

    34 #include <e32std.h>

    35 #include <e32base.h>

    36 #include <f32file.h>

    37 

    38 /********************************************************************************

    39  *

    40  * Local Includes

    41  *

    42  ********************************************************************************/

    43 

    44 #include "stat_interfaces.h"

    45 

    46 /********************************************************************************

    47  *

    48  * Types

    49  *

    50  ********************************************************************************/

    51 class CDataSupplierFile :  public CBase, public MDataSupplier

    52 {

    53 public:

    54 	// Construction and destruction

    55 	static CDataSupplierFile *NewL( void );

    56 

    57 	// from MDataSupplier

    58 	void	Delete( void );

    59 	TInt	GetTotalSize( TInt &aTotalSize );

    60 	TInt	GetRemainingSize( TInt &aRemainingSize );

    61 

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

    63 	TInt 	SetData( const TDesC8 &aSource );

    64 	TInt	GetData( HBufC8 &aDestination,

    65 				TInt aLengthToCopy, TInt &aActuallyCopied );

    66 

    67 private:

    68 	CDataSupplierFile( void );

    69 	virtual ~CDataSupplierFile();

    70 	void ConstructL( void );

    71 

    72 	HBufC8	*iDataBuffer;

    73 	TInt	iCurrentLocation;

    74 

    75 	TPath	iFilePath;

    76 	RFs		iFsSession;

    77 

    78 	RMutex	iLock;

    79 };

    80 

    81 #endif // __CDATASUPPLIERFILE_H__