// Copyright (c) 2007-2009 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:

//

#ifndef __DISPLAYRENDERSTAGE_H__

#define __DISPLAYRENDERSTAGE_H__

#include <graphics/surfaceupdateclient.h> 

#include <graphics/wsrenderstage.h>

#include <graphics/wsscreendevice.h>

#include <graphics/wsdisplaycontrol.h>

#include <graphics/wsdisplaymapping.h>

#include <graphics/wsdisplaypolicy.h>

#include <graphics/wsscene.h>

class CDirectGdiDriver;

class CDirectGdiGcWrapper;

class CRenderTarget;

class RSgImageCollection;

class CDisplayPolicy;

class CRsDisplayChangeNotifier;

class CRsConfigChangeNotifier;

class COpenWfcWrapper;

#if defined(__WINS__) && defined(_DEBUG)

class CDebugBarDrawer;

#endif

/**

This is the implementation of CWsRenderStage which is created by a CDisplayRenderStageFactory

*/

class CDisplayRenderStage : 

		public CWsRenderStage,

		public MWsScreenDevice,

		public MWsDisplayControl,

		public MWsDisplayMapping,

		public MWsDisplayPolicy,

		public MWsScene

	{

friend class COpenWfcWrapper;

public:

	static CDisplayRenderStage* NewL(MWsGraphicDrawerEnvironment* aEnv, MWsScreen* aScreen, TInt aScreenNumber);

	~CDisplayRenderStage();

public: //from CWsRenderStage

	TAny* ResolveObjectInterface(TUint aTypeId);

	void Begin(const TRegion* aRegion);

	void End(TRequestStatus* aFinished);	

public: //from MWsScreenDevice

	TInt ScreenNumber() const;

	TDisplayMode DisplayMode() const;

	TSize SizeInPixels() const;

	TSize SizeInTwips() const;

	TRect PointerRect() const;

	void GetPixel(TRgb& aColor, const TPoint& aPixel) const;

	void GetScanLine(TDes8& aScanLine, const TPoint& aStartPixel, TInt aPixelLength, TDisplayMode aDispMode) const;

	TBool RectCompare(const TRect& aRect1, const TRect& aRect2) const;

	void CopyScreenToBitmapL(CFbsBitmap* aBitmap, const TRect &aRect) const;

	void ClearDisplay(TRgb aBackColor);

public: //from MWsScene

    TInt SetSceneRotation(const MWsScene::TSceneRotation aSceneRotation);

    MWsScene::TSceneRotation SceneRotation() const;

    MWsElement* CreateSceneElementL();

    void DestroySceneElement(MWsElement* aElement);

    TInt InsertSceneElement(MWsElement* aInsertElement, MWsElement* aSubordinateElement);

    TInt RemoveSceneElement(MWsElement* aRemoveElement);

    void ComposePendingScene(TSurfaceId& aOffScreenTarget, TRequestStatus* aCompleted);

    TInt RegisterSurface(const TSurfaceId& aSurface);

    TInt UnregisterSurface(const TSurfaceId& aSurface);

public: // from MWsDisplayControl/MDisplayControlBase

	void NotifyOnDisplayChange(TRequestStatus& aStatus);

	void NotifyOnDisplayChangeCancel();

	void NotifyOnConfigChange(TRequestStatus& aStatus);

	void NotifyOnConfigChangeCancel();

	TInt NumberOfResolutions() const;

	TInt GetResolutions(RArray<TResolution>& aResolutions) const;

	void GetConfiguration(TDisplayConfiguration& aConfig) const;

	TInt SetConfigurationAndBuffer(const TDisplayConfiguration& aConfig,const TSize* aUiSize);

	TInt SetConfiguration(const TDisplayConfiguration& aConfig);

	TInt PreferredDisplayVersion() const;

public: //from MWsDisplayMapping/MDisplayMapping

	virtual TInt MapCoordinates(TCoordinateSpace aSourceSpace, const TRect& aSource, TCoordinateSpace aTargetSpace, TRect& aTarget) const;

	void SetSizeModeExtent(TRect& aExtent, TBitFlags32 aContext);

public ://from MWsDisplayPolicy

	virtual void NewAppModesAvailable(); 

	TInt GetSizeModeConfiguration(TInt aScreenSizeMode, TDisplayConfiguration& aConfig, TRect& aSizeModePosition) const;

	TInt SuitableAppMode(TDisplayStatus aSituation);

	void SetLastAppMode(TInt aMode);

private:

	CDisplayRenderStage(TInt aScreenNumber);

	void ConstructL(MWsGraphicDrawerEnvironment* aEnv, MWsScreen* aScreen, TInt aScreenNumber);

	void CreateRenderTargetL(TInt aScreenNumber, MWsIniFile* aIniFile);

private:

	TInt iScreenNumber;

	TTimeStamp iTimeStamp;

	RSurfaceUpdateSession iSurfaceUpdateSession;

	const TRegion* iUpdateRegion;

	CDirectGdiDriver* iDGdiDriver;

	CRenderTarget* iRenderTarget;

	COpenWfcWrapper* iOpenWfcWrapper;

	MWsDisplayControl*	iOpenWfcWrapperDisplayControl;

	CDisplayPolicy*	iDisplayPolicy;

	TBool iDisplayPolicyEnabled;

	//required for display and config change notification

	CRsDisplayChangeNotifier* iDispNotifier;

	CRsConfigChangeNotifier* iConfigNotifier;

#if defined(__WINS__) && defined(_DEBUG)

	CDebugBarDrawer* iDebugBarDrawer;

#endif

	};

#endif //__DISPLAYRENDERSTAGE_H__