/*

* Copyright (c) 2008-2008 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:  Monitors the file system for changes in a file.

*

*/

#ifndef C_FILEMONITOR_H

#define C_FILEMONITOR_H

#include <e32base.h>

#include <f32file.h>//??? remove???

class MFileMonitorObserver;

/**

 *  File monitor class

 *

 *  @since S60 5.0

 */

NONSHARABLE_CLASS( CFileMonitor ) : public CActive

    {

public:

    /**

    * Two-phased constructor

    */

    static CFileMonitor* NewL( MFileMonitorObserver& aObserver);

    /**

    * Virtual destructor

    */

    virtual ~CFileMonitor();

    /**

    * Start monitoring a particular file

    * @param aFile file to monitor

    */

    void StartL( const TDesC& aFile );

protected:

    /**

    * From CActive

    */

    void RunL();

    /**

    * From CActive

    */

    void DoCancel();

    /**

    *  From CActive

    */

    TInt RunError(TInt aError);    

private:

    /**

    * Private constructor

    */

    CFileMonitor( MFileMonitorObserver& aObserver);

    /**

    * 2nd phased constructor

    */

    void ConstructL();

private: // data

    MFileMonitorObserver&  iObserver;

    RFs iFs; 

    HBufC* iFilePath;

    };

#endif // C_FILEMONITOR_H