1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/os/graphics/windowing/windowserver/nga/SERVER/openwfc/wnredraw.h Fri Jun 15 03:10:57 2012 +0200
1.3 @@ -0,0 +1,214 @@
1.4 +// Copyright (c) 2006-2009 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 +// CWsWindowRedraw and associated classes definitions
1.18 +//
1.19 +//
1.20 +
1.21 +#ifndef __WNREDRAW_H__
1.22 +#define __WNREDRAW_H__
1.23 +
1.24 +#include "server.h"
1.25 +#include "panics.h"
1.26 +
1.27 +class TSurfaceId;
1.28 +
1.29 +class CPlaybackGc;
1.30 +class MWsGraphicsContext;
1.31 +class TBackgroundAttributes;
1.32 +
1.33 +//
1.34 +// Base class defining how a window is redrawn, i.e. Backed up, redraw from client, blanked...
1.35 +//
1.36 +class CWsWindowRedraw : public CBase
1.37 + {
1.38 +private:
1.39 + enum TStateFlags
1.40 + {
1.41 + EHasElement=0x01,
1.42 + EMayContainElement=0x10,
1.43 + };
1.44 +public:
1.45 + ~CWsWindowRedraw();
1.46 + virtual void ConstructL();
1.47 + virtual TBool CommandL(TInt aOpcode, TWsWinCmdUnion &aCmd)=0;
1.48 + virtual TRgb BackColor() const=0;
1.49 + virtual TBool NeedsRedraw() const=0;
1.50 + virtual TBool GetRedrawRect(TRect &aRect) const=0;
1.51 + virtual const TRegion &BaseDrawRegion() const;
1.52 + virtual void ClipInvalidRegion(const TRect &aRect);
1.53 + virtual const TRegion& InvalidArea() const;
1.54 + virtual void Resize(const TSize &aSize, const TSize &aOldSize);
1.55 + virtual CWsBackedUpWindow *Backup() const;
1.56 + virtual void Scroll(const TRect &aClipRect, const TPoint &aOffset,const TRect &aRect);
1.57 + virtual void UpdateAnimArea();
1.58 + virtual void PrepareForResizeL(const TSize &aSize, TSize &aOldSize);
1.59 + virtual void Moved() {}
1.60 + virtual void ClearRedrawStore(TBool aClearPendingRedraw=EFalse);
1.61 + virtual TBool DrawCommand(CWsGc* aGc,const TAny *aCmdData);
1.62 + virtual void GcAttributeChange(CWsGc* aGc,const TAny *aCmdData);
1.63 + virtual void GcDeactivate(CWsGc* aGc);
1.64 + inline CWsWindow *WsWin(); // Link back to main window class
1.65 + virtual void ClientExposing();
1.66 + virtual void DrawWindow()=0;
1.67 + TInt DrawBackgroundColor(const TRegion& aRegion, TBool aDoFillColor);
1.68 + virtual TBool Contains(const TArray<TGraphicDrawerId>& aDrawers,const TRegion& aRegion) const;
1.69 + const TRegion * RedrawRegion();
1.70 + virtual TBool ReleaseMemory(MWsMemoryRelease::TMemoryReleaseLevel aLevel);
1.71 + virtual CFbsDevice* OutputDevice() const;
1.72 + virtual void VisibleRegionChange();
1.73 + virtual TBool ReadyToDraw() const;
1.74 + void PreDrawWindow(MWsGraphicsContext * aGc, const TRegion &aWindowRegion);
1.75 + void PostDrawWindow(MWsGraphicsContext* aGc, const TRegion& aWindowChildNodeRegion);
1.76 + virtual void Invalidate(const TRect *) {}
1.77 + virtual TInt SizeInBytes() const { return 0; }
1.78 + inline TBool HasElement() const;
1.79 + inline TBool MayContainElement() const;
1.80 + inline void SetHasElement(TBool);
1.81 + inline TBool HasElementExtentDefined() const;
1.82 + inline void ClearMayContainElement();
1.83 + virtual TBool RedrawingInProgress() const;
1.84 + virtual void WindowClosing();
1.85 + virtual TBool IsRedrawStoreEmpty() const { return EFalse; }
1.86 + virtual TBool IsBackgroundClearEnabled() const { return ETrue; }
1.87 + virtual CFbsBitmap* BitmapFromHandle(TInt /*aHandle*/) const { return NULL; }
1.88 +
1.89 + void SetDsaElementL();
1.90 + inline void QueueRedraw();
1.91 + void Fade(MWsGraphicsContext * aGc, const TRegion& aRegion);
1.92 +protected:
1.93 + CWsWindowRedraw(CWsWindow *aWin);
1.94 + void SetReply(TInt aReply);
1.95 + void OwnerPanic(TClientPanic aPanic);
1.96 + inline CScreen* Screen() const;
1.97 + inline CWsClientWindow *CliWin() const;
1.98 + void DrawWindowAnimsL(MWsGraphicsContext * aGc, const TRegion& aRegion);
1.99 + TBackgroundAttributes& AcquireBackgroundElementL();
1.100 + void SetBackgroundSurfaceL(const TSurfaceId& aSurface);
1.101 + void SetBackgroundSurfaceL(const TSurfaceConfiguration& aConfiguration, TBool aTriggerRedraw, TBool aAllowScreenSurface);
1.102 + void SetElementExtentL(TRect& aNewExtent, TBackgroundAttributes& aAttributes);
1.103 + void ElementRedraw(const TRect& aOldExtent, const TRect& aNewExtent, TBool aAlwaysScheduleUpdate);
1.104 + void RemoveBackgroundSurface(TBool aTriggerRedraw);
1.105 + void RemoveBackgroundElement(TBool aTriggerRedraw);
1.106 + void GetBackgroundSurfaceL(TSurfaceConfiguration& aConfiguration);
1.107 + void ReleaseBackgroundElement();
1.108 + void SetMayContainElementFlags();
1.109 +private:
1.110 + void DoFade(const TRegion& aRegion);
1.111 + void DrawWindowAnims(MWsGraphicsContext * aGc, const TRegion& aRegion);
1.112 + void DrawCursorAndSprites(MWsGraphicsContext * aGc, const TRegion& aRegion);
1.113 + TBool HasDsaElement() const;
1.114 +
1.115 +protected:
1.116 + CWsWindow *iWsWin; // Link back to main window class
1.117 + TUint iStateFlags; // Flags affecting how drawing is done
1.118 + const TRegion * iRedrawRegion; // During a scheduled draw, this is the window area scheduled to be drawn.
1.119 + }; // In ChangeTracking mode, iRedrawRegion doesn't include the area to be drawn by window-sprites, cursors or window-anims.
1.120 + // All of them use the sprite region, declared in CWsWindow::iDirtySpriteRegion.
1.121 +
1.122 +class CWsBlankWindow : public CWsWindowRedraw
1.123 + {
1.124 +public:
1.125 + CWsBlankWindow(CWsWindow *aWin);
1.126 + ~CWsBlankWindow();
1.127 + void ConstructL();
1.128 +
1.129 + //from CWsWindowRedraw
1.130 + TBool CommandL(TInt aOpcode, TWsWinCmdUnion &aCmd);
1.131 + TBool NeedsRedraw() const;
1.132 + TBool GetRedrawRect(TRect &aRect) const;
1.133 + void DrawWindow();
1.134 +
1.135 + void SetColor(TRgb aColor);
1.136 + inline void SetBackgroundClear();
1.137 + inline TBool IsBackgroundColor();
1.138 +private:
1.139 + TRgb BackColor() const;
1.140 +private:
1.141 + TRgb iColor;
1.142 + TBool iNoColor;
1.143 + };
1.144 +
1.145 +#include "window.h"
1.146 +
1.147 +inline CWsWindow *CWsWindowRedraw::WsWin()
1.148 + {
1.149 + return iWsWin;
1.150 + }
1.151 +
1.152 +inline CScreen* CWsWindowRedraw::Screen() const
1.153 + {
1.154 + return iWsWin->Screen();
1.155 + }
1.156 +
1.157 +inline CWsClientWindow *CWsWindowRedraw::CliWin() const
1.158 + {
1.159 + return (CWsClientWindow *)iWsWin;
1.160 + }
1.161 +
1.162 +inline TBool CWsWindowRedraw::HasElement() const
1.163 + {
1.164 + return (iStateFlags&EHasElement)>0;
1.165 + }
1.166 +inline void CWsWindowRedraw::SetHasElement(TBool aSet)
1.167 + {
1.168 + TInt oldStateFlags = iStateFlags;
1.169 + if (aSet)
1.170 + {
1.171 + iStateFlags|=EHasElement;
1.172 + }
1.173 + else
1.174 + {
1.175 + iStateFlags&=~EHasElement;
1.176 + }
1.177 + if (oldStateFlags!=iStateFlags)
1.178 + {
1.179 + iWsWin->SetupVisibleRegionTracking(aSet);
1.180 + }
1.181 + }
1.182 +
1.183 +inline TBool CWsWindowRedraw::MayContainElement() const
1.184 + {
1.185 + return (iStateFlags&EMayContainElement)>0;
1.186 + }
1.187 +
1.188 +inline void CWsWindowRedraw::ClearMayContainElement()
1.189 + {
1.190 + iStateFlags&=~EMayContainElement;
1.191 + }
1.192 +
1.193 +
1.194 +inline void CWsBlankWindow::SetBackgroundClear()
1.195 + {
1.196 + iNoColor=ETrue;
1.197 + }
1.198 +
1.199 +inline TBool CWsBlankWindow::IsBackgroundColor()
1.200 + {
1.201 + return !iNoColor;
1.202 + }
1.203 +
1.204 +inline void CWsWindowRedraw::QueueRedraw()
1.205 + {
1.206 + if (iWsWin->IsActive())
1.207 + {
1.208 + iWsWin->WsOwner()->RedrawQueue()->AddInvalid(this);
1.209 + }
1.210 + }
1.211 +
1.212 +inline const TRegion * CWsWindowRedraw::RedrawRegion()
1.213 + {
1.214 + return iRedrawRegion;
1.215 + }
1.216 +
1.217 +#endif