1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/os/graphics/windowing/windowserver/nga/SERVER/openwfc/windowelementset.h Fri Jun 15 03:10:57 2012 +0200
1.3 @@ -0,0 +1,250 @@
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 +//
1.18 +
1.19 +#if !defined(__WINDOWELEMENTSET_H__)
1.20 +#define __WINDOWELEMENTSET_H__
1.21 +
1.22 +/**
1.23 +@file
1.24 +@internalComponent
1.25 +*/
1.26 +
1.27 +#include <graphics/wselement.h>
1.28 +
1.29 +class CBase;
1.30 +class CWsClientWindow;
1.31 +class TSurfaceConfiguration;
1.32 +class MWsScene;
1.33 +
1.34 +class TAttributes
1.35 +{
1.36 +public:
1.37 + TAttributes(){iFlags = 0;}
1.38 + enum
1.39 + {
1.40 + EConcealed = 0x00000001,
1.41 + EDrawnOver = 0x00000002,
1.42 + EDrawnOverLast = 0x01000000,
1.43 + };
1.44 + //flag accessors
1.45 + inline TBool Concealed() const {return iFlags&EConcealed;}
1.46 + inline void SetConcealed(TBool aSetting = ETrue) {aSetting?iFlags|=EConcealed:iFlags&=~EConcealed;}
1.47 + inline TBool DrawnOver() const {return iFlags&EDrawnOver;}
1.48 + inline void SetDrawnOver(TBool aSetting = ETrue) {aSetting?iFlags|=EDrawnOver:iFlags&=~EDrawnOver;}
1.49 + inline TBool DrawnOverLast() const {return iFlags&EDrawnOverLast;}
1.50 + inline void SetDrawnOverLast(TBool aSetting = ETrue)
1.51 + { iFlags= aSetting? iFlags|EDrawnOverLast:iFlags&~EDrawnOverLast; }
1.52 + inline TInt Flags()const
1.53 + { return iFlags; }
1.54 + TBool Destroy(MWsScene& aScene, TBool aUnregister);
1.55 +public:
1.56 + TInt DebugFlags()const { return iFlags; }
1.57 +protected:
1.58 + TUint iFlags;
1.59 +public:
1.60 + MWsElement* iElement;
1.61 +};
1.62 +
1.63 +class TBackgroundAttributes : public TAttributes
1.64 +{
1.65 +public:
1.66 + enum
1.67 + {
1.68 + EExplicitExtent = 0x00010000,
1.69 + //EAbsoluteExtent = 0x00020000, //This would be used to represent wallpaper or DSA per window
1.70 + EExplicitViewPort = 0x00040000,
1.71 + };
1.72 + //flag accessors
1.73 + inline TBool ExplicitExtent() const {return iFlags&EExplicitExtent;}
1.74 + inline void SetExplicitExtent(TBool aSetting = ETrue)
1.75 + { iFlags= aSetting? iFlags|EExplicitExtent:iFlags&~EExplicitExtent;}
1.76 +//Absolute extent functionality is currently not required or used
1.77 +// inline TBool AbsoluteExtent() const {return iFlags&EAbsoluteExtent;}
1.78 +// inline void SetAbsoluteExtent(TBool aSetting = ETrue)
1.79 +// { iFlags= aSetting? iFlags|EAbsoluteExtent:iFlags&~EAbsoluteExtent;}
1.80 + inline TBool ExplicitViewPort() const {return iFlags&EExplicitViewPort;}
1.81 + inline void SetExplicitViewPort(TBool aSetting = ETrue)
1.82 + { iFlags = aSetting ? iFlags|EExplicitViewPort : iFlags&~EExplicitExtent;}
1.83 +};
1.84 +
1.85 +class TPlacedAttributes : public TAttributes
1.86 +{
1.87 +public:
1.88 + enum
1.89 + {
1.90 + EUnassigned = 0x00010000,
1.91 + ELockedConfig = 0x00020000,
1.92 + EChangedClip = 0x00040000,
1.93 + EOverlapping = 0x00080000,
1.94 + };
1.95 + //flag accessors
1.96 + inline TBool Unassigned() const {return iFlags&EUnassigned ;}
1.97 + inline void SetUnassigned(TBool aSetting = ETrue)
1.98 + { iFlags= aSetting? iFlags|EUnassigned :iFlags&~EUnassigned; }
1.99 + inline TBool LockedConfig() const {return iFlags&ELockedConfig ;}
1.100 + inline void SetLockedConfig(TBool aSetting = ETrue)
1.101 + {aSetting?iFlags|=ELockedConfig:iFlags&=~ELockedConfig;}
1.102 + inline TBool ChangedClip() const {return iFlags&EChangedClip;}
1.103 + inline void SetChangedClip(TBool aSetting = ETrue)
1.104 + {aSetting?iFlags|=EChangedClip:iFlags&=~EChangedClip;}
1.105 + inline TBool Overlapping() const {return iFlags&EOverlapping;}
1.106 + inline void SetOverlapping(TBool aSetting = ETrue)
1.107 + { iFlags= aSetting? iFlags|EOverlapping:iFlags&~EOverlapping; }
1.108 + inline void ClearRedrawFlags()
1.109 + { iFlags &= (~(EUnassigned|ELockedConfig|EChangedClip|EOverlapping)); }
1.110 +};
1.111 +
1.112 +class CWindowElement : public CBase
1.113 +{
1.114 +friend class CWindowElementSet;
1.115 +public:
1.116 + enum
1.117 + {
1.118 + EFastPath = 0x00000001,
1.119 + EPauseComposition = 0x00000002, //assign flags this if pause is needed immediately
1.120 + EResort = 0x00000004,
1.121 + EFailed = 0x00010000, //cleanup failure needs to be reported separately
1.122 + };
1.123 +
1.124 + CWindowElement(const CWsClientWindow& aWindow);
1.125 +
1.126 + TInt UnassignPlacedElements(const TRegion& aRegion,TInt aGcDrawingCount);
1.127 + void FlagAssignedElementsDrawnOver(TInt aGcDrawingCount);
1.128 + static TBool IsElementAMatch(MWsElement&,const TSurfaceConfiguration&,TInt);
1.129 + static TInt SetElement(MWsElement&,const TSurfaceConfiguration&,TBool);
1.130 + TBool InsertCache(TInt aIndexToInsert);
1.131 + static void NotifyReleasingSurface(TSurfaceId aSurfaceId);
1.132 + TInt AssignPlacedElement(TPlacedAttributes*& aPlacedAttributes,
1.133 + const TSurfaceConfiguration& aSurfaceConfiguration,
1.134 + const TRegion& aUserDefinedRegion, MWsScene& aScene,TInt aGcDrawingCount);
1.135 +
1.136 + TInt CleanUpPlacedElements(MWsScene& aScene,TInt aGcDrawingCount);
1.137 + void MoveToAboveGivenElement(MWsScene& aScene, MWsElement* aAboveElement);
1.138 + void UpdateElementExtent(const TPoint* aOffset);
1.139 + TBool SetVisibleRegion(const TRegion& aRegion, MWsScene& aScene);
1.140 + TInt ReleaseAllElements();
1.141 + TBool SearchDuplicateSurfaceId(const TSurfaceId& aSurfaceId);
1.142 + void SetElementOpacity(TInt aOpacity, MWsScene& aScene);
1.143 + void ResubmitAllElementExtents();
1.144 + MWsElement* Element() const;
1.145 +
1.146 +protected:
1.147 + TInt AssignRecycleElement(const TInt aIndex,
1.148 + const TSurfaceConfiguration& aSurfaceConfiguration,
1.149 + const TRegion& aUserDefinedRegion,
1.150 + MWsScene& aScene);
1.151 + TInt AssignCreateElement(const TSurfaceConfiguration& aSurfaceConfiguration,
1.152 + const TRegion& aUserDefinedRegion,
1.153 + MWsScene& aScene);
1.154 + TInt AssignExtendElement(const TInt aIndex,
1.155 + const TSurfaceConfiguration& aSurfaceConfiguration,
1.156 + const TRegion& aUserDefinedRegion,
1.157 + MWsScene& aScene);
1.158 +
1.159 +public:
1.160 + const CWsClientWindow& iWindow;
1.161 +private:
1.162 + TBackgroundAttributes iBackgroundElement;
1.163 + RArray<TPlacedAttributes> iPlacedElements;
1.164 +private: //The following are all exclusively used during window rendering
1.165 + RArray<RRegion> iCache;
1.166 + //memory of surfaces that need to be removed
1.167 + RArray<TSurfaceId> iRemovedSurfaces;
1.168 + TBool iRemovedSurfacesValid;
1.169 +
1.170 + RRegion iNonRedrawVisibleRegion;
1.171 + TInt iHighestReusedIndex;
1.172 + TInt iStartGcDrawingCount;
1.173 + TUint iFlags;
1.174 +};
1.175 +
1.176 +/**
1.177 +Owns the set of elements and their associated identification information. Only
1.178 +references are provided for clients.
1.179 +*/
1.180 +class CWindowElementSet : public CBase
1.181 +{
1.182 +public:
1.183 + static CWindowElementSet* NewL(MWsScene& aScene);
1.184 + ~CWindowElementSet();
1.185 + TBackgroundAttributes& AcquireBackgroundElementL(CWsClientWindow& aWindow);
1.186 + TInt ReleaseBackgroundElement(const CWsClientWindow&, TBool aWindowClosing = EFalse);
1.187 + TInt ReleaseAllElements(const CWsClientWindow&, TBool aWindowClosing = EFalse);
1.188 + TInt UnassignPlacedElements(const TRegion& aRedrawRegion, const CWsClientWindow& aWindow,TInt aGcDrawingCount);
1.189 + TInt AssignPlacedElement(TPlacedAttributes*&, const TSurfaceConfiguration&, const TRegion& aUserDefinedRegion,
1.190 + const CWsClientWindow&,TInt aGcDrawingCount);
1.191 + TInt CleanUpPlacedElements(const CWsClientWindow& aWindow,TInt aGcDrawingCount);
1.192 + TInt Count() const;
1.193 + TBackgroundAttributes* FindBackgroundElement(const CWsClientWindow&);
1.194 + TBool FindElements(const CWsClientWindow&,const TBackgroundAttributes*&,const RArray<TPlacedAttributes>*&);
1.195 + TInt RegisterSurface(const TSurfaceId& aSurface);
1.196 + void UnregisterSurface(const TSurfaceId& aSurface);
1.197 + TBool SortByZOrder();
1.198 + TInt SetVisibleRegion(CWsClientWindow& aWindow); //cant be a const win as VisibleRegion() isnt const??
1.199 + void UpdateElementExtent(const CWsClientWindow&, const TPoint* aOffset);
1.200 + static TInt GetConfiguration(TSurfaceConfiguration&,MWsElement&);
1.201 + TBool SearchDuplicateSurfaceId(const TSurfaceId& aSurfaceId);
1.202 + void SetElementOpacity(CWsClientWindow& aWindow, TInt aOpacity);
1.203 + void ResubmitAllElementExtents();
1.204 + MWsElement* GetElementFromWindow(const CWsClientWindow& aWindow) const;
1.205 +
1.206 +public:
1.207 + const CWsClientWindow* DebugWindowAt(TUint aWin)const;
1.208 + const TBackgroundAttributes* DebugBackgroundAt(TUint aWin)const;
1.209 + const TPlacedAttributes* DebugPlacedAt(TUint aWin,TUint aPlace)const;
1.210 +//Note: The following methods are currently unused
1.211 +// const TPlacedAttributes* DebugPlacedAt(const CWsClientWindow& aWindow,TInt aPlace)const;
1.212 +// const RRegion* DebugCacheAt(TInt aWin,TInt aPlace)const;
1.213 + TInt DebugPlacedCountAt(TUint aWin)const;
1.214 +
1.215 +protected:
1.216 + CWindowElement* FindElement(const CWsClientWindow& aWindow) const;
1.217 +
1.218 +private:
1.219 + CWindowElementSet(MWsScene& aScene);
1.220 + TInt FindEntry(const CWsClientWindow& aWindow, TInt& aIndex, TBool aLinearSearch = EFalse) const;
1.221 + static TBool WindowMatch(const CWindowElement& aFirst, const CWindowElement& aSecond);
1.222 + static TInt WindowOrder(const CWindowElement& aFirst, const CWindowElement& aSecond);
1.223 + void DestroyWindowElementEntry(const TInt aWinElementIndex);
1.224 +
1.225 +private:
1.226 + RPointerArray<CWindowElement> iElements;
1.227 + MWsScene& iScene;
1.228 +};
1.229 +
1.230 +/** Gc to element rotation function
1.231 +*/
1.232 +inline MWsElement::TElementRotation GcToElementRotation(CFbsBitGc::TGraphicsOrientation aGcRotation)
1.233 + {
1.234 + MWsElement::TElementRotation elementRotation = MWsElement::EElementAntiClockwise0;
1.235 +
1.236 + switch (aGcRotation)
1.237 + {
1.238 + case CFbsBitGc::EGraphicsOrientationRotated90:
1.239 + elementRotation = MWsElement::EElementAntiClockwise90;
1.240 + break;
1.241 + case CFbsBitGc::EGraphicsOrientationRotated180:
1.242 + elementRotation = MWsElement::EElementAntiClockwise180;
1.243 + break;
1.244 + case CFbsBitGc::EGraphicsOrientationRotated270:
1.245 + elementRotation = MWsElement::EElementAntiClockwise270;
1.246 + break;
1.247 + default:
1.248 + break;
1.249 + }
1.250 + return elementRotation;
1.251 + }
1.252 +
1.253 +#endif // !defined(__WINDOWELEMENTSET_H__)