--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/windowing/windowserverplugins/openwfc/inc/fbrenderstage.h	Tue Feb 02 01:47:50 2010 +0200
@@ -0,0 +1,136 @@
+// 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 __FBRENDERSTAGE_H__
+#define __FBRENDERSTAGE_H__
+
+#include <graphics/wsrenderstage.h>
+#include <graphics/wsscene.h>
+#include <graphics/wsdisplaycontrol.h>
+#include <graphics/wsdisplaymapping.h>
+#include "rendertarget.h"
+
+class CRenderTarget;
+class MWsScreenDevice;
+class MWsDrawableSourceProvider;
+class CDisplayPolicy;
+class CFbRenderStage;
+
+// An animation throttle to ensure that WSERV is not always busy animating.
+class CAnimationThrottle : public CTimer
+	{
+public:
+	static CAnimationThrottle* NewL (CFbRenderStage* aRenderStage);
+	~CAnimationThrottle ();
+private:
+	CAnimationThrottle (CFbRenderStage* aRenderStage);
+	void ConstructL ();
+	void RunL();
+private:
+	CFbRenderStage* iRenderStage;
+	};
+
+/**
+Active object to receive downstream pipeline signals (if the upstream uses signalling).
+*/ 
+class CRenderStageController : public CActive
+	{
+public:
+	static CRenderStageController* NewL(CFbRenderStage* aRenderStage);
+	
+	~CRenderStageController();
+	void SetActive();
+	TBool IsActive();
+
+private:
+	CRenderStageController(CFbRenderStage* aRenderStage);
+	void ConstructL();
+	void DoCancel();
+	void RunL();
+
+private:
+	CFbRenderStage* iRenderStage;
+	CAnimationThrottle* iAnimationThrottle;
+	};
+
+/**
+This is the implementation of CWsRenderStage which is created by a CFbRenderStageFactory
+*/
+class CFbRenderStage :
+	public CWsRenderStage,
+	public MWsDisplayControl,
+	public MWsDisplayMapping,
+	public MWsScene
+	{
+public:
+	static CFbRenderStage* NewL(MWsGraphicDrawerEnvironment* aEnv, MWsScreen* aScreen, MWsScreenRedraw* aScreenRedraw, CWsRenderStage* aNextStage);
+	~CFbRenderStage();
+
+public: //from CWsRenderStage
+	TAny* ResolveObjectInterface(TUint aTypeId);
+	void Begin(const TRegion* aRegion);
+	void End(TRequestStatus* aFinished);	
+
+public: //from MWsScene
+    TInt SetSceneRotation(const 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:
+	void DoEnd();
+
+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 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);	
+	
+private:
+	CFbRenderStage();
+	void ConstructL(MWsGraphicDrawerEnvironment* aEnv, MWsScreen* aScreen, MWsScreenRedraw* aScreenRedraw, CWsRenderStage* aNextStage);
+	
+private:
+	CRenderStageController* iController;
+	TRequestStatus* iUpstreamRequestStatus;
+	TBool iRequestPending;
+	MWsScreenDevice* iNextScreenDevice;
+	MWsScene* iNextScene;
+	RRegion* iUpdateRegion;
+	CRenderTarget* iRenderTarget;
+	MWsDisplayControl*				iDisplayControl;
+	CDisplayPolicy*					iDisplayPolicy;
+	MWsDisplayMapping*				iDisplayMapping;
+
+	MWsDrawableSourceProvider* iDrawableSourceProvider;
+	/** Drawable sources for copying iRenderTarget to the next render stage */
+	TAny* iDrawableSources[CRenderTarget::EAspectRatioCount];
+	};
+
+#endif //__FBRENDERSTAGE_H__