/*

* ============================================================================

*  Name        : glxscreensavermonitor.h

*  Part of     : GLX / Collection Data Source Framework

*  Description : 

*  Version     :%version:  1 %

*  Copyright © 2006-2007 Nokia.  All rights reserved.

*  This material, including documentation and any related computer

*  programs, is protected by copyright controlled by Nokia.  All

*  rights are reserved.  Copying, including reproducing, storing,

*  adapting or translating, any or all of this material requires the

*  prior written consent of Nokia.  This material also contains

*  confidential information which may not be disclosed to others

*  without the prior written consent of Nokia.

* ============================================================================

*/

#ifndef PLUGINSCREENSAVERMONITORAO_H_

#define PLUGINSCREENSAVERMONITORAO_H_

#include <e32base.h>

#include <e32property.h>

class MGlxTNObserver

{

public :

    /*

     * Constructor

     */

    MGlxTNObserver() {}

    /*

     * Call back to get the number is left to create.

     */

    virtual void updateTNCount(int & count) = 0;

    /*

     * Destructor

     */

    virtual ~MGlxTNObserver() {}    

};

/**

* Class for monitoring harvester pause.

*/

class CGlxTNMonitor: public CActive

{

    public:

        /** Construction */

    	IMPORT_C static CGlxTNMonitor* NewL( MGlxTNObserver *observer );

        /**

         * Destructor - virtual and class not intended

         * for derivation, so not exported.

         */

    	virtual ~CGlxTNMonitor();

    protected:

    	/**

    	 * RunL

    	 * From CActive.

    	 */

        virtual void RunL();

    	/**

    	 * DoCancel

    	 * From CActive.

    	 */

        virtual void DoCancel();

    	/**

    	 * RunError. Error handler in case RunL() leaves.

    	 * From CActive.

    	 * @param aError  Leave code from RunL.

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

    	 */

        virtual TInt RunError( TInt aError );

    private:

        /**

         * constructor

         */

        CGlxTNMonitor( MGlxTNObserver *observer );

        /**

         * 2nd phase construction.

         */    

        void ConstructL();

    private:

        RProperty iScreenSaverProperty;

//		TTime iStartTime;

//		TTime iStopTime;

		MGlxTNObserver *iObserver;

};

#endif