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os/graphics/windowing/windowserver/nonnga/SERVER/window.h
author sl
Tue, 10 Jun 2014 14:32:02 +0200
changeset 1 260cb5ec6c19
permissions -rw-r--r--
Update contrib. 
     1 // Copyright (c) 2006-2009 Nokia Corporation and/or its subsidiary(-ies).

     2 // All rights reserved.

     3 // This component and the accompanying materials are made available

     4 // under the terms of "Eclipse Public License v1.0"

     5 // which accompanies this distribution, and is available

     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 // CWsWindow and associated classes definitions

    15 // 

    16 //

    17 

    18 #ifndef __WINDOW_H__

    19 #define __WINDOW_H__

    20 

    21 #include "server.h"

    22 #include "winbase.h"

    23 

    24 class CWsWindow : public CWsWindowBase, public MWsWindow

    25 	{

    26 	friend class TWalkWindowTreeDisconnect;

    27 	friend class CWsRootWindow;

    28 	friend class TWalkWindowTreeFindWithFlag;

    29 public:

    30 	CWsWindow(CWsClient* aOwner,WH_HANDLES aType, CScreen* aScreen);

    31 	~CWsWindow();

    32 	void Construct();

    33 	inline const TRect& Rel() const;

    34 	inline const TRect& Abs() const;

    35 	inline CWsWindow *PrevSiblingMultiParent() const;

    36 	inline CWsWindow *NextSiblingMultiParent() const;

    37 	inline TUint PointerFilter() const;

    38 	inline TBool HasPointerGrab() const;

    39 	inline TBool ShutDownInProgress() const;

    40 	inline TRgb BackColor() const;

    41 	virtual const TRegion& WindowArea() const = 0;

    42 	const TRegion* VisibleRegionIfValid() const;

    43 	const TRegion& VisibleRegion() const;

    44 	void ClearVisibleRegion();

    45 	void SetVisibleRegion(const TRegion& aRegion, const TRegion* aTop, TRegion& aNewFadableRegion);

    46 	virtual void GenerateWindowRegion(RWsRegion &aRegion) const=0;

    47 	TRect FullRect() const;

    48 	inline TBool ClientSetInvisible() const;

    49 	inline TBool IsVisible() const;

    50 	inline TBool DragDropCapture() const;

    51 	inline CWsBackedUpWindow *Backup() const;

    52 	TDisplayMode DisplayMode() const;

    53 	inline TInt UsingPointerBuffer() const;

    54 	virtual TDblQue<TPointerKeyList> *PointerKeyList() const;

    55 	inline CWsWindowRedraw *Redraw() const;

    56 	inline TBool IsTopClientWindow() const;

    57 	inline TBool IsActive() const;

    58 	inline void AddDSA(CWsDirectScreenAccess& aDirect);

    59 	inline void RemoveDSA(CWsDirectScreenAccess& aDirect);

    60 	void AbortAllDSAs();

    61 #if defined(_DEBUG)

    62 	inline const TSglQue<CWsDirectScreenAccess>& DSAs() const;

    63 #endif

    64 	void PossibleVisibilityChangedEvent(TBool aForceSend);

    65 	void SetNonFading(TBool aNonFading); 

    66 	void SetFadeBehind(TBool aFade);

    67 	inline void GetFadingParams(TUint8& aBlackMap,TUint8& aWhiteMap) const;

    68 	inline TBool IsTranslucent() const;

    69 	inline TBool HasAlpha() const;

    70 	inline TBool HasBeenDrawnToScreen() const;

    71 	inline void SetDrawnToScreen(TBool aDrawn);

    72 	void FocusChanged(TBool aNewFocusState);

    73 	void ClipRectToViewport(TRect& aRect) const;

    74 	void SetNextScheduled(CWsWindow * aWin);

    75 	CWsWindow * NextScheduled() const;

    76 	inline const RWsRegion * ScheduledRegion() const;

    77 	TBool SetScheduledRegion(const RWsRegion& aRegion);

    78 	void ClearScheduledRegion();	

    79 	static TBool ReleaseMemory(MWsMemoryRelease::TMemoryReleaseLevel aLevel);

    80 	TBool ReadyToDraw() const;

    81 	virtual void Render(CFbsBitGc * aGc, const TRegion& aRegion);	

    82 	void AddSprite(CWsSpriteBase * aSprite);

    83 	void RemoveSprite(CWsSpriteBase * aSprite);

    84 	void Accessed();

    85 	

    86 	inline TBool IsNonFading() const;

    87 	const TRegion& FadableRegion() const;

    88 	inline TBool HasSprite() const;

    89 	inline TBool HasAnimation() const;

    90 	

    91 public: // from CWsWindowBase

    92 	TBool IsDSAHost() const;

    93 	

    94 public:	// from MWsWindow

    95 	virtual TPoint Origin() const;

    96 	virtual TRect AbsRect() const;

    97 	virtual TSize Size() const;

    98 	virtual TUint32 Handle() const;

    99 	virtual MWsScreen * WsScreen() const;

   100 	virtual void Invalidate(const TRect *) {}

   101 	virtual MWsWindow * FindChildByHandle(TUint32 aHandle);

   102 	virtual TInt OrdinalPriority() const;

   103 	

   104 protected:

   105 // Shadow generation

   106 	TPoint InquireOffset(TUint32 aHandle) const;

   107 //

   108 	void Shutdown();	// Part of two phase destruction

   109 	void FocusChangedL(TBool aNewFocusState);

   110 	void RemoveFromAccessList();

   111 	void InsertIntoAccessListOldestEnd();

   112 	void InsertIntoAccessListRecentEnd();

   113 	void DeactivateAllSprites();

   114 private:

   115 	void StatusDump(TDes &aBuf);

   116 	void ResetVisibleRegion();

   117 	void AbortDsaIfRequired(const TRegion& aNewRegion, const TRegion* aTop);

   118 #if defined (_DEBUG)

   119 public:

   120 	TBool iInteresting;  // Often useful while debugging for conditional breakpoints.

   121 #endif

   122 protected:

   123 	TRect iRel;

   124 	TRect iAbs;

   125 	TPoint iOrigin;

   126 	RWsRegion iVisibleRegion;

   127 	TUint iPointerFilter;

   128 	TInt iPointerCapturePriority;

   129 	TUint iFlags;

   130 	CWsWindowRedraw *iRedraw;

   131 	TSglQue<CWsDirectScreenAccess> iDSAs;

   132 	CWsWindow * iNextScheduled;

   133 	RWsRegion iScheduledRegion;

   134 	// The access list is a "most recently drawn" ordering list of all redraw msg windows.

   135 	static CWsWindow * iAccessListRecentEnd;

   136 	static CWsWindow * iAccessListOldestEnd;

   137 	CWsWindow * iAccessListPrev;

   138 	CWsWindow * iAccessListNext;

   139 	TUint8 iBlackMap;

   140 	TUint8 iWhiteMap;

   141 	RWsRegion iFadableRegion; // Region which can be faded (Visible region minus already faded regions)

   142 public:

   143 	/** The list of graphic contexts associated with this window. The list is managed by calling the

   144 	GcActivated() and GcDeactivated() functions. 

   145 	This is a linked list. The CWsGc class contains a pointer to the next item: CWsGc::iNextWinGc.

   146 	*/

   147 	CWsGc *iWinGcList;

   148 	CWsAnim *iAnimList;	// Start of linked list of animated objects attached to the window

   149 	CWsSpriteBase *iSpriteList; // Start of linked list of sprites attached to the window

   150 	};

   151 

   152 #include "wnredraw.h"

   153 

   154 inline TBool CWsWindow::IsVisible() const

   155 	{

   156 	return(!(iFlags&EFlagHidden));

   157 	}

   158 

   159 inline TBool CWsWindow::ClientSetInvisible() const

   160 	{

   161 	return(iFlags&EFlagInvisible);

   162 	}

   163 

   164 inline TBool CWsWindow::DragDropCapture() const

   165 	{

   166 	return(iFlags&EFlagPointerCaptureDragDrop);

   167 	}

   168 

   169 inline TRgb CWsWindow::BackColor() const

   170 	{

   171 	return(iRedraw->BackColor());

   172 	}

   173 

   174 inline TInt CWsWindow::UsingPointerBuffer() const

   175 	{

   176 	return(iFlags&EFlagUsingPointerBuffer);

   177 	}

   178 

   179 inline CWsWindowRedraw *CWsWindow::Redraw() const

   180 	{

   181 	return iRedraw;

   182 	}

   183 

   184 inline const TRect& CWsWindow::Rel() const

   185 	{

   186 	return iRel;

   187 	}

   188 	

   189 inline const TRect& CWsWindow::Abs() const

   190 	{

   191 	return iAbs;

   192 	}

   193 	

   194 inline TBool CWsWindow::IsTopClientWindow() const

   195 	{

   196 	return (WinType() == EWinTypeClient && iParent->WinType() == EWinTypeGroup);

   197 	}

   198 

   199 inline TUint CWsWindow::PointerFilter() const

   200 	{

   201 	return(iPointerFilter);

   202 	}

   203 

   204 inline TBool CWsWindow::HasPointerGrab() const

   205 	{

   206 	return(iFlags&EFlagPointerGrab);

   207 	}

   208 

   209 inline TBool CWsWindow::ShutDownInProgress() const

   210 	{

   211 	return(iFlags&EFlagShutDownInProgress);

   212 	}

   213 

   214 inline CWsBackedUpWindow *CWsWindow::Backup() const

   215 	{

   216 	return(iRedraw->Backup());

   217 	}

   218 

   219 inline TBool CWsWindow::IsActive() const

   220 	{

   221 	return iFlags&EFlagActive;

   222 	}

   223 

   224 inline void CWsWindow::AddDSA(CWsDirectScreenAccess& aDirect)

   225 	{

   226 	iDSAs.AddLast(aDirect);

   227 	}

   228 

   229 inline void CWsWindow::RemoveDSA(CWsDirectScreenAccess& aDirect)

   230 	{

   231 	iDSAs.Remove(aDirect);

   232 	}

   233 

   234 inline TBool CWsWindow::IsTranslucent() const

   235 	{

   236 	return (iFlags & static_cast<TUint>(EFlagHasAlpha)) != 0;

   237 	}

   238 

   239 inline TBool CWsWindow::HasAlpha() const

   240 	{

   241 	return (iFlags & static_cast<TUint>(EFlagHasAlpha)) !=0;

   242 	}

   243 

   244 inline TBool CWsWindow::HasBeenDrawnToScreen() const

   245 	{

   246 	return (iFlags & static_cast<TUint>(EFlagDrawnToScreen)) != 0;

   247 	}

   248 

   249 inline void CWsWindow::SetDrawnToScreen(TBool aDrawn)

   250 	{

   251 	if (aDrawn)

   252 		iFlags |= static_cast<TUint>(EFlagDrawnToScreen);

   253 	else

   254 		iFlags &= ~static_cast<TUint>(EFlagDrawnToScreen);

   255 	}

   256 

   257 inline const RWsRegion * CWsWindow::ScheduledRegion() const

   258 	{

   259 	return &iScheduledRegion;

   260 	}

   261 

   262 #if defined(_DEBUG)

   263 inline const TSglQue<CWsDirectScreenAccess>& CWsWindow::DSAs() const

   264 	{

   265 	return iDSAs;

   266 	}

   267 #endif

   268 

   269 inline TBool CWsWindow::IsNonFading() const

   270 	{

   271 	return (iFlags&EFlagNonFadingWindow);

   272 	}

   273 	

   274 inline void CWsWindow::GetFadingParams(TUint8& aBlackMap,TUint8& aWhiteMap) const

   275     {aBlackMap=iBlackMap;aWhiteMap=iWhiteMap;}

   276 

   277 inline TBool CWsWindow::HasSprite() const

   278 	{

   279 	return (NULL != iSpriteList);

   280 	}

   281 

   282 inline TBool CWsWindow::HasAnimation() const

   283 	{

   284 	return (NULL != iAnimList);

   285 	}

   286 #endif
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