/*

* Copyright (c) 2007-2007 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:  Check disk space if it is under Critical Level

*

*/

#ifndef C_CVPBKFFSCHECK_H

#define C_CVPBKFFSCHECK_H

//  INCLUDES

#include <e32base.h>    // CBase

namespace VPbkEngUtils {

/**

 * Disk space check helper class.

 *

 * @lib VPbkEngUtils.dll

 */

class CVPbkDiskSpaceCheck : public CBase

    {

public:

    /**

     * @param aFs               Open file system session

     *                      

     * @param aDrive            number of the drive to be checked.

     *                          (see TDriveNumber of f32file.h)

     */

    IMPORT_C static CVPbkDiskSpaceCheck* NewL( RFs& aFs, TInt aDrive );

    IMPORT_C ~CVPbkDiskSpaceCheck();

    /**

     * Checks critical disk space level. 

     * Will leave with KErrDiskFull if space is below CL

     *

     * @param aBytesToWrite  how many bytes will be written to FFS. 

     *                       Default is unknown (=0). Leaves with KErrDiskFull

     *                       if not enough space.

     */

     IMPORT_C void DiskSpaceCheckL( TInt aBytesToWrite=0 );

private:

    CVPbkDiskSpaceCheck( RFs& aFs, TInt aDrive );

private: // data

    /// Not Owned: Open file system session

    RFs& iFs;

    /// Not Owned: Drive which space is checked

    TInt iDrive;    

    };

} // namespace VPbkEngUtils

#endif // C_CVPBKFFSCHECK_H