/*

* 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:   Definitions for the display object of none type

*

*/

#ifndef C_SCREENSAVERCTRLNONE_H

#define C_SCREENSAVERCTRLNONE_H

#include "screensaverbase.h"

/**

 * The none type of the display object to cut off the screen light  

 */

class CScreensaverCtrlNone : public CScreensaverBase

    {

public:

    /**

    * The symbian c++ constructor

    */

    static CScreensaverCtrlNone* NewL();

    /**

    * destructor

    */

    ~CScreensaverCtrlNone();

    /**

    * Start the control needed timer

    */

    void StartTimer();

    /**

    * Cancels the timer

    */

    void CancelTimer();

    /**

    * Show the control

    */

    void DrawObject();

    /**

    * Clear the screen

    */

    void ClearScreen();

    /*

    * Refresh the display 

    */

    void Refresh();

public:

    // From CCoeControl

    /** 

    * Resource change handling  

    */

    void HandleResourceChange( TInt aType );

    /**

    * Responds to changes to the size and position of the contents 

    * of this control.  

    */

    void SizeChanged();

private:

    /**

    *The Default C++ constructor   

    */

    CScreensaverCtrlNone();

    /**

    * The two-phased constructor

    */

    void ConstructL();

    /**

    * Switch off light in aSecs

    * 

    * @param aSecs after this seconds, screen will switch light

    */

    void SwitchLights( TInt aSecs );

    /**

    * Switch on/off the screen

    */

    void SwitchDisplayState( TInt aState );

    };

#endif // C_SCREENSAVERCTRLNONE_H