/*

* Copyright (c) 2007-2008 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:    Black out control class 

*

*/

#ifndef C_SHWBLACKOUTCONTROL_H

#define C_SHWBLACKOUTCONTROL_H

// INCLUDES

#include <uiacceltk/huiControl.h>

// FORWARD DECLARATIONS

class CGlxHuiUtility;

class CHuiAnchorLayout;

class CShwSlideshowView;

class CHuiTexture;

class CHuiImageVisual;

/**

 *  CShwBlackoutControl

 *

 *  Black out control

 *

 *  @lib shwslideshowviewplugin.lib

 * @internal reviewed 07/06/2007 by Kimmo Hoikka

 */

NONSHARABLE_CLASS( CShwBlackoutControl ) : public CHuiControl

    {

public:

	/**

	 * Factory function constructor

	 */

	static CShwBlackoutControl* NewL( CHuiEnv& aEnv, CHuiDisplay& aDisplay);

	/**

	 * Destructor

	 */

    ~CShwBlackoutControl();

public:

	/**

	 * Activates the blackout control:

	 */

    void ActivateL();

    /**

     * Deactivates the blackout control.

     */

    void Deactivate();

private:

    CShwBlackoutControl(CHuiEnv& aEnv, CHuiDisplay& aDisplay);

    void ConstructL();

private:

    CHuiDisplay& iDisplay; // not owned

    CHuiTexture* iBlackoutTexture;	// owned

    CHuiAnchorLayout* iBlackoutLayout;	// not owned

    CHuiImageVisual* iBlackoutImageVisual;    // not owned

    TBool iActivated;	// owned

    };

#endif // C_SHWBLACKOUTCONTROL_H