/*

* Copyright (c) 2010 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:  

*

*/

#ifndef CFILEMONITOR_H

#define CFILEMONITOR_H

//  INCLUDES 

#include <e32base.h>

#include "cfileplugin.h"

#include "fastfindfileserverpluginclient.h"

// FORWARD DECLARATIONS

class CFolderRenamedHarvester;

class CFileMonitor : public CActive

  	{

	public:

		/**

		* NewL

		* @return

		*/

		static CFileMonitor* NewL(  CFilePlugin& aFilePlugin, RFs* aFsSession );

		/**

		* Destructor

		*/

		virtual ~CFileMonitor();

		/**

		* From 

		*/

		TBool StartMonitoring();

		/**

		* From 

		*/

		TInt Initialize();

    	/**

		* From 

		*/

    	TInt Release();

    	/**

		* From 

		*/

    	TInt OpenEngine();

    	/**

		* From 

		*/

    	void AddNotificationPathsL( const TDriveNumber aDriveNumber );

    	/**

		* From 

		*/

    	void RemoveNotificationPaths( const TDriveNumber aDriveNumber );

    	/**

		* From 

		*/

    	TInt Enable();

    	/**

		* From 

		*/

    	TInt Disable();

    protected: // CActivi

        /**

	     * From CActive.

	     */

        void DoCancel();

        /**

	     * From CActive.

         */

        void RunL();

        /**

	     * From CActive.

	     * @param aError Leave code from RunL()

	     * @return Error code, KErrNone if error was handled successfully.

         */

        TInt RunError( TInt aError );

    protected:

		/**

		* From ConstructL

		*/

		void ConstructL( CFilePlugin& aFilePlugin, RFs* aFsSession );

	private:

		/**

		* From Constructor

		*/

		CFileMonitor( CFilePlugin& aFilePlugin, RFs* aFsSession );

		/**

		* Reset status of package

		*/

		void ResetStatus();

	private:

		CFilePlugin&      iFilePlugin;

		RFastFindFSPEngine iEngine;

	    RFs* iFsSession;

	    TFastFindFSPStatusPckg iPckg;

	    // If a folder name is changed then files in that folder need to be indexed again as path changed.

	    CFolderRenamedHarvester* iFolderRenamedHarvester;

	};

#endif // CFILEMONITOR_H