/*

* Copyright (c) 2009 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:   ?Description

*

*/

#ifndef GLXTNOBSERVER_H

#define GLXTNOBSERVER_H

#include <QObject>

#include <glxtnmonitor.h>

class CGlxTNMonitor;

class GlxTNObserver : public QObject, public MGlxTNObserver

{

    Q_OBJECT

public:

    /*

     * constructor

     */

    GlxTNObserver();

    /*

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

     */

    void updateTNCount(int &count); 

    /*

     * It will return the number of TN is left to create.

     */

    int getTNLeftCount() ;

    /*

     * It will start the tumbnail generation montior process.

     */    

    void startTNObserving(); 

    /*

     * To start the thumbnail generation in back ground

     */

    void startTNMDaemon() ;

    /*

     * To stop the thumbnail generation in back ground

     */

    void stopTNMDaemon() ;

    /*

     * Destructor

     */

    ~GlxTNObserver();

signals : 

    /*

     * broad cast the number of thumbnail left to generate

     */

    void leftTNCount( int count);

private :

    CGlxTNMonitor* mTNMonitor;

};

#endif /* GLXTNOBSERVER_H */