/*

* Copyright (c) 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:   Server declaration, internal for Nokia

*

*/

#ifndef __ALF_SCREEN_H__

#define __ALF_SCREEN_H__

#include <e32std.h>

#include <e32base.h>

#include <uiacceltk/HuiDisplay.h>

#include <uiacceltk/HuiTextVisual.h>

#include "alfshareddisplaycoecontrol.h"

enum TAlfControlGroupRole

    {

    /** Unknown */

    EAlfUnknownContainer,

    /** Alf application control group */

    EAlfSessionContainer,

    /** WSERV window group */

    EAlfWindowGroupContainer,

    /** WSERV floating sprite group */

    EAlfWindowFloatingSpriteContainer,

    /** Group for showing effects */

    EAlfFullScreenEffectContainer,

    };

NONSHARABLE_CLASS( TAlfControlGroupEntry )  

    {

public:

    TAlfControlGroupEntry() :    

        iControlGroup(NULL),

        iWindowGroupNodeId(0),

        iClientWindowGroupId(0),

        iScreenNumber(0),

        iSecureId(0)

            {

            }

    /** Control group which represents a window group */

    CHuiControlGroup* iControlGroup;

    /** Window group node id, internal */

    TInt iWindowGroupNodeId; 

    /** Window group id, external id seen e.g. by the application using wserv */

    TInt iClientWindowGroupId;

    TUint8 iScreenNumber;

    TInt32 iSecureId;

    };

NONSHARABLE_CLASS(CAlfScreen) : public CBase

	    {

	public:

        /**

         * Constructor

         */

	    CAlfScreen(); 

        /**

         * 2nd phase construction

         */

	    void ConstructL(TInt aScreenNum, MHuiDisplayRefreshObserver& aObserver, CHuiEnv& aHuiEnv, CAlfSharedDisplayCoeControl* aSharedCoeControl);

        void ConstructL(TInt aScreenNum, MHuiDisplayRefreshObserver& aObserver, CHuiEnv& aHuiEnv, RWindow* aWindow);

        void CommonConstructL( MHuiDisplayRefreshObserver& aObserver, CHuiEnv& aHuiEnv);

        /**

         * Destructor

         */

	    ~CAlfScreen(); 

        /**

         * Returns the size of the screen in pixels

         * @return Screesize in pixels

         */

        TSize Size() const;

        /**

         * Sets a flag which causes full visual tree visibility scan to happen later.

         */

        void SetVisualTreeVisibilityChanged(TBool aChanged);

        /**

         * Gets a flag which causes full visual tree visibility scan to happen later.

         */

        TBool IsVisualTreeVisibilityChanged();

	public:

	    RArray<TAlfControlGroupEntry> iControlGroups;

	  	CAlfSharedDisplayCoeControl* iCoeControl; // owned

	   	CHuiDisplay* iDisplay; 

	    CHuiControlGroup* iFloatingSpriteControlGroup; 

	    CHuiControlGroup* iFullscreenEffectControlGroup; 

	    TBool iVisualTreeVisibilityChanged;

	    TInt iScreenNum;

	    CFbsBitmap* iSwRenderingTarget;	    

#ifdef SYMBIAN_BUILD_GCE	    

	    CHuiTextVisual* iFPSText;

#endif

	    };

#endif // __ALF_SCREEN_H__