// Copyright (c) 2006-2009 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:

// CWsRootWindow and associated classes definitions

// 

//

#ifndef __ROOTWIN_H__

#define __ROOTWIN_H__

#include "server.h"

#include "window.h"

class CWsRootWindow : public CWsWindow

	{

public:

	CWsRootWindow(CWsClient* aOwner, CScreen* aScreen);

	~CWsRootWindow();

	void ConstructL();

	const CWsWindow *PointerWindow(const TPoint &inPos,TPoint *outPos, TPoint *parentPos, const CWsWindow *grabWin,

											const CWsWindow *&aOriginalWinItIsIn,const CWsWindowGroup *aForceInGroup);

	CWsWindowGroup *Child() const;

	inline CWsWindowBase *PrevSibling() const;

	inline CWsWindowBase *NextSibling() const;

	CWsWindowBase *Parent() const;

	virtual void GenerateWindowRegion(RWsRegion &aRegion) const;

	void SetColor(TRgb aColor);

	void SetColorIfClear();

	void InvalidateWholeScreen();

	void Invalidate(RWsRegion* aRegion);

	void AdjustCoordsDueToRotation();

	void ClearDisplay();

	void SetSystemFaded(TBool aFaded, TUint8 aBlackMap, TUint8 aWhiteMap);

	CWsWindowGroup* WindowGroup(TInt aWindowGroup);

	CWsTopClientWindow *FirstTopClientWindow() const;

	inline TRgb DefaultBackgroundColor() const;

public:	// from CWsObject

	void CommandL(TInt aOpcode, const TAny *aCmdData);

public: // from MWsWindowTreeNode

	const MWsWindow* Window() const;	

public: // from MWsWindow

	const TRegion& WindowArea() const;

public: // from CWsWindowBase

	void SendState(MWsWindowTreeObserver& aWindowTreeObserver) const;

private:

	inline CWsBlankWindow* BlankRedraw();

private:

	TRegionFix<1> iArea;

	TRgb iDefaultBackgroundColor;

	};

inline CWsBlankWindow* CWsRootWindow::BlankRedraw()

	{

	return STATIC_CAST(CWsBlankWindow*,iRedraw);

	}

inline CWsWindowGroup *CWsRootWindow::Child() const

	{

	return (CWsWindowGroup *)iChild;

	}

inline CWsWindowBase *CWsRootWindow::NextSibling() const

	{

	return iSibling;

	}

inline CWsWindowBase *CWsRootWindow::PrevSibling() const

	{

	return GetPrevSibling();

	}

inline CWsWindowBase *CWsRootWindow::Parent() const

	{

	return iParent;

	}

inline TRgb CWsRootWindow::DefaultBackgroundColor() const

	{

	return iDefaultBackgroundColor;

	}	

#endif