1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/os/graphics/windowing/windowserver/nga/SERVER/openwfc/winbase.h Fri Jun 15 03:10:57 2012 +0200
1.3 @@ -0,0 +1,179 @@
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 +// CWsWindowBase and associated classes definitions
1.18 +//
1.19 +//
1.20 +
1.21 +#ifndef __WINBASE_H__
1.22 +#define __WINBASE_H__
1.23 +
1.24 +#include "server.h"
1.25 +
1.26 +class TWalkWindowTreeBase;
1.27 +class TResumableWalkWindowTreeBase;
1.28 +class CWsAnim;
1.29 +class CWsSprite;
1.30 +class CWsBlankWindow;
1.31 +
1.32 +/** The base class that represents a node in the window tree.
1.33 +
1.34 +Every window and window group is part of a window tree. The root of the tree is an instance of the
1.35 +CWsRootWindow class.
1.36 +
1.37 +@see RWindowTreeNode
1.38 +@internalComponent
1.39 +@released
1.40 +*/
1.41 +class CWsWindowBase : public CWsScreenObject, public MWsWindowTreeNode
1.42 + {
1.43 +public:
1.44 + CWsWindowBase(CWsClient *aOwner,WH_HANDLES aType, CScreen* aScreen);
1.45 + void ConstructL(CWsWindowBase *aParent);
1.46 + virtual void AreaCovered(TRegion &aRegion)=0;
1.47 + virtual TPoint Origin() const = 0;
1.48 + virtual TRect AbsRect() const = 0;
1.49 + virtual TSize Size() const = 0;
1.50 + CWsWindowGroup *WinGroup() const;
1.51 + inline TUint32 ClientHandle() const;
1.52 + inline CWsWindowBase *BaseParent() const;
1.53 + inline CWsWindowBase *BaseChild() const;
1.54 + inline CWsWindowBase *NextSibling() const;
1.55 + CWsWindowBase *GetPrevSibling() const;
1.56 + CWsWindowBase *LastSibling() const;
1.57 + CWsWindowBase *PrevSiblingMultiParent() const;
1.58 + CWsWindowBase *NextSiblingMultiParent() const;
1.59 + inline TWinType WinType() const;
1.60 + virtual void StatusDump(TDes &aBuf)=0;
1.61 + TBool QueueEvent(TInt aEvent, TInt aIntVal = 0) const;
1.62 + inline TBool AdvancedPointersEnabled() const;
1.63 + inline CWsPointerCursor *PointerCursor() const;
1.64 + TEventQueueWalkRet EventPurgeCheck(TWsEvent *aEvent);
1.65 + virtual void SetOrdinalPosition(TInt aPos);
1.66 + TBool TreeIsObscured() const;
1.67 + CEventQueue *EventQueue() const;
1.68 + TInt Depth() const;
1.69 + void WalkWindowTree(TWalkWindowTreeBase &doIt,TWalkMode aMode);
1.70 + void WalkWindowTree(TResumableWalkWindowTreeBase& aWalkClass, TWalkMode aMode, TBool aResume);
1.71 + void WalkWindowTreeBackToFront(TWalkWindowTreeBase &doIt, TWalkModeBackToFront aMode);
1.72 + void PurgeEvents();
1.73 + inline TInt FadeCount() const;
1.74 + void AddSprite(CWsSpriteBase * aSprite);
1.75 + void RemoveSprite(CWsSpriteBase * aSprite);
1.76 + inline TBool HasSprite() const;
1.77 + virtual TBool IsDSAHost() const;
1.78 + virtual void SendState(MWsWindowTreeObserver& aWindowTreeObserver) const;
1.79 +
1.80 +public: // from CWsObject
1.81 + TBool CommandL(TInt aOpcode, TWsWinCmdUnion &aCmd);
1.82 +
1.83 +public: // from MWsWindowTreeNode
1.84 + MWsWindowTreeNode::TType NodeType() const;
1.85 + const MWsWindow* Window() const;
1.86 + const MWsSprite* Sprite() const;
1.87 + const MWsStandardTextCursor* StandardTextCursor() const;
1.88 + const MWsWindowGroup* WindowGroup() const;
1.89 + const MWsWindowTreeNode* ParentNode() const;
1.90 +
1.91 +protected:
1.92 + TInt OrdinalPosition(TBool aFull) const;
1.93 + TBool CheckOrdinalPositionChange(TInt aPos);
1.94 + virtual void Shutdown(); // Part of two phase destruction
1.95 + void SetPointerCursor(CWsPointerCursor *aCursor);
1.96 + void SetPointerCursorByIndex(TInt aIndex);
1.97 + void ChangeWindowPosition(TInt aPos,CWsWindowBase* aNewParent);
1.98 +
1.99 +private:
1.100 + void RemoveFromSiblingList();
1.101 + virtual TBool IsActivated() const;
1.102 +
1.103 +public:
1.104 + CWsSpriteBase *iSpriteList; // Start of linked list of sprites attached to the window
1.105 +
1.106 +protected:
1.107 + enum TBaseWinFlags
1.108 + {
1.109 + EBaseWinAdvancedPointersEnabled = 0x00000001,
1.110 + EBaseWinNodeCreated = 0x00000002,
1.111 + };
1.112 +
1.113 + CWsWindowBase *iParent;
1.114 + CWsWindowBase *iSibling;
1.115 + CWsWindowBase *iChild;
1.116 + /** The handle specified by the client when the object was created.
1.117 +
1.118 + This is different from CWsObject::iWsOwner which is the handle assigned to the object by the server.
1.119 + @see CWsObject::iWsOwner
1.120 + */
1.121 + TUint32 iClientHandle;
1.122 + TInt iOrdinalPriority;
1.123 + TWinType iWinType;
1.124 + TInt iFadeCount;
1.125 + TUint iBaseWinFlags;
1.126 +
1.127 +private:
1.128 + CWsPointerCursor *iPointerCursor;
1.129 +
1.130 +#if defined(_DEBUG)
1.131 +public:
1.132 + void CheckTree();
1.133 + TBool IsClientHandleInUse(TUint32 aHandle);
1.134 +#endif
1.135 + };
1.136 +
1.137 +inline TWinType CWsWindowBase::WinType() const
1.138 + {
1.139 + return iWinType;
1.140 + }
1.141 +
1.142 +inline CWsPointerCursor *CWsWindowBase::PointerCursor() const
1.143 + {
1.144 + return iPointerCursor;
1.145 + }
1.146 +
1.147 +inline CWsWindowBase *CWsWindowBase::NextSibling() const
1.148 + {
1.149 + return iSibling;
1.150 + }
1.151 +
1.152 +inline CWsWindowBase *CWsWindowBase::BaseChild() const
1.153 + {
1.154 + return iChild;
1.155 + }
1.156 +
1.157 +inline CWsWindowBase *CWsWindowBase::BaseParent() const
1.158 + {
1.159 + return iParent;
1.160 + }
1.161 +
1.162 +inline TUint32 CWsWindowBase::ClientHandle() const
1.163 + {
1.164 + return iClientHandle;
1.165 + }
1.166 +
1.167 +inline TInt CWsWindowBase::FadeCount() const
1.168 + {
1.169 + return iFadeCount;
1.170 + }
1.171 +
1.172 +inline TBool CWsWindowBase::AdvancedPointersEnabled() const
1.173 + {
1.174 + return iBaseWinFlags&EBaseWinAdvancedPointersEnabled;
1.175 + }
1.176 +
1.177 +inline TBool CWsWindowBase::HasSprite() const
1.178 + {
1.179 + return (NULL != iSpriteList);
1.180 + }
1.181 +
1.182 +#endif