1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/os/graphics/windowing/windowserver/nonnga/SERVER/ScreenRedraw.h	Fri Jun 15 03:10:57 2012 +0200
     1.3 @@ -0,0 +1,103 @@
     1.4 +// Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).
     1.5 +// All rights reserved.
     1.6 +// This component and the accompanying materials are made available
     1.7 +// under the terms of "Eclipse Public License v1.0"
     1.8 +// which accompanies this distribution, and is available
     1.9 +// at the URL "http://www.eclipse.org/legal/epl-v10.html".
    1.10 +//
    1.11 +// Initial Contributors:
    1.12 +// Nokia Corporation - initial contribution.
    1.13 +//
    1.14 +// Contributors:
    1.15 +//
    1.16 +// Description:
    1.17 +// SCREEN_REDRAW.H
    1.18 +// 
    1.19 +//
    1.20 +
    1.21 +#ifndef __SCREEN_REDRAW_H__
    1.22 +#define __SCREEN_REDRAW_H__
    1.23 +
    1.24 +#include <e32base.h>
    1.25 +#include <e32std.h>
    1.26 +#include <gdi.h>
    1.27 +#include "wstypes.h"
    1.28 +#include <Graphics/WSGRAPHICDRAWERINTERFACE.H>
    1.29 +#include "Graphics/wsgraphicdrawerinternal.h"
    1.30 +
    1.31 +class CScreen;
    1.32 +class CWsRenderStage;
    1.33 +class CWsWindow;
    1.34 +
    1.35 +//#define USE_DEBUG_REGIONS
    1.36 +
    1.37 +/**
    1.38 +The CScreenRedraw maintains the areas of the screen which need to be updated, and handles some of the
    1.39 +scheduling of draw code to do so.  It has a close relationship with the animation scheduler, which 
    1.40 +by default will be the CDefaultAnimationScheduler in server.cpp
    1.41 +*/
    1.42 +class CScreenRedraw : public CBase, public MWsScreenRedraw
    1.43 +	{
    1.44 +public:
    1.45 +	static CScreenRedraw * NewL(CScreen& aScreen);
    1.46 +	virtual ~CScreenRedraw();
    1.47 +	const TTime& Now() const;
    1.48 +	void ScheduleRegionUpdate(const TRegion* aDefinitelyDirty);
    1.49 +	void RegionUpdate();
    1.50 +	void ScheduleRedraw();
    1.51 +	void ScheduleAnimation(const TRect& aRect,const TTimeIntervalMicroSeconds& aFromNow,const TTimeIntervalMicroSeconds& aFreq,const TTimeIntervalMicroSeconds& aStop);
    1.52 +	void OnAnimation();
    1.53 +	void AddRedrawRegion(const TRegion& aRegion, TBool aSchedule = ETrue, TRedrawDepth aDepth = ERedrawAll);
    1.54 +	void DoRedrawNow();
    1.55 +	void DiscardAllSchedules();
    1.56 +	void ScheduleRender(const TTimeIntervalMicroSeconds& aFromNow);
    1.57 +	void ScheduleWinFadeNoRedraw( CWsWindow* aWin );	
    1.58 +	void AcceptFadeRequest( CWsWindow* aWin, TBool	aIsFaded, TBool aIsBehind, TBool aIncludeChildren = EFalse );
    1.59 +	
    1.60 +public: // Implementing MWsScreenRedraw
    1.61 +	void SetObserver(MWsScreenRedrawObserver* aObserver);	
    1.62 +	TBool IsUpdatePending();
    1.63 +	const TRegion * AnimationRegion() const;
    1.64 +	void UpdateDevice();
    1.65 +	
    1.66 +public: // Implementing MWsObjectProvider
    1.67 +	TAny * ResolveObjectInterface(TUint aTypeId);
    1.68 +
    1.69 +	void BanThisRegionUpdate( TRegion& aForbiddenRegion );
    1.70 +	void LiftRegionUpdateBan( TRegion& aFormerForbiddenRegion  );
    1.71 +	
    1.72 +private:
    1.73 +	CScreenRedraw(CScreen& aScreen);
    1.74 +	void ConstructL();
    1.75 +#	ifdef USE_DEBUG_REGIONS
    1.76 +	void DebugRect(TRgb aColor, TRgb aFill, const TRect * aRect);
    1.77 +	void DebugRegion(TRgb aColor, TRgb aFill, const TRegion * aRegion);
    1.78 +#	endif
    1.79 +
    1.80 +private:
    1.81 +	struct TTimedRect
    1.82 +		{
    1.83 +		TTimedRect(const TRect& aRect, const TTime& aTime);
    1.84 +		TRect iRect;
    1.85 +		TTime iTime;
    1.86 +		static TInt Compare(const TTimedRect& aOne,const TTimedRect& aOther);
    1.87 +		};
    1.88 +
    1.89 +private:
    1.90 +	CScreen& iScreen;
    1.91 +	mutable TTime iNow;
    1.92 +	mutable TTime iNext;
    1.93 +	TBool iScheduled;
    1.94 +	TBool iAnimating;
    1.95 +	TBool iRegionUpdateScheduled;
    1.96 +	TBool iRenderScheduled;
    1.97 +	RArray<TTimedRect> iTimedDrawRect;
    1.98 +	RRegionBuf<20> iInvalid;  // Region that needs to be redrawn (eg window contents changed).
    1.99 +	RRegionBuf<20> iTopLayer; // Region that we need to draw, but don't need to redraw (eg new window)
   1.100 +	const TRegion * iAnimationRegion; // Region being redrawn during animation
   1.101 +	MWsScreenRedrawObserver* iObserver;
   1.102 +	CWsRenderStage * iRenderStages;
   1.103 +	RRegion	iBannedRegion;
   1.104 +	};
   1.105 +
   1.106 +#endif //__SCREEN_REDRAW_H__