1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/os/graphics/windowing/windowserver/nonnga/SERVER/winbase.h	Fri Jun 15 03:10:57 2012 +0200
     1.3 @@ -0,0 +1,142 @@
     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
    1.42 +	{
    1.43 +public:
    1.44 +	CWsWindowBase(CWsClient *aOwner,WH_HANDLES aType, CScreen* aScreen);
    1.45 +	void ConstructL(CWsWindowBase *aParent);
    1.46 +	virtual TPoint Origin() const = 0;
    1.47 +	virtual TRect AbsRect() const = 0;
    1.48 +	virtual TSize Size() const = 0;
    1.49 +	CWsWindowGroup *WinGroup() const;
    1.50 +	inline TUint32 ClientHandle() const;
    1.51 +	inline CWsWindowBase *BaseParent() const;
    1.52 +	inline CWsWindowBase *BaseChild() const;
    1.53 +	inline CWsWindowBase *NextSibling() const;
    1.54 +	CWsWindowBase *GetPrevSibling() const;
    1.55 +	CWsWindowBase *LastSibling() const;
    1.56 +	CWsWindowBase *PrevSiblingMultiParent() const;
    1.57 +	CWsWindowBase *NextSiblingMultiParent() const;
    1.58 +	inline TWinType WinType() const;
    1.59 +	virtual void StatusDump(TDes &aBuf)=0;
    1.60 +	TBool QueueEvent(TInt aEvent) const;
    1.61 +	inline CWsPointerCursor *PointerCursor() const;
    1.62 +	TEventQueueWalkRet EventPurgeCheck(TWsEvent *aEvent);
    1.63 +	virtual void SetOrdinalPosition(TInt aPos);
    1.64 +	TBool TreeIsObscured() const;
    1.65 +	CEventQueue *EventQueue() const;
    1.66 +	void WalkWindowTree(TWalkWindowTreeBase &doIt,TWalkMode aMode);
    1.67 +	void WalkWindowTree(TResumableWalkWindowTreeBase& aWalkClass, TWalkMode aMode, TBool aResume);
    1.68 +	void PurgeEvents();
    1.69 +	inline TInt FadeCount() const;
    1.70 +
    1.71 +	virtual TBool IsDSAHost() const;
    1.72 +public:	// from CWsObject
    1.73 +	TBool CommandL(TInt aOpcode, TWsWinCmdUnion &aCmd);
    1.74 +
    1.75 +protected:
    1.76 +	TInt OrdinalPosition(TBool aFull) const;
    1.77 +	TBool CheckOrdinalPositionChange(TInt aPos);
    1.78 +	virtual void Shutdown();	// Part of two phase destruction
    1.79 +	void SetPointerCursor(CWsPointerCursor *aCursor);
    1.80 +	void SetPointerCursorByIndex(TInt aIndex);
    1.81 +	void ChangeWindowPosition(TInt aPos,CWsWindowBase* aNewParent);
    1.82 +
    1.83 +private:
    1.84 +	void RemoveFromSiblingList();
    1.85 +
    1.86 +protected:
    1.87 +	CWsWindowBase *iParent;
    1.88 +	CWsWindowBase *iSibling;
    1.89 +	CWsWindowBase *iChild;
    1.90 +	/** The handle specified by the client when the object was created.
    1.91 +	
    1.92 +	This is different from CWsObject::iWsOwner which is the handle assigned to the object by the server.
    1.93 +	@see CWsObject::iWsOwner
    1.94 +	*/
    1.95 +	TUint32 iClientHandle;
    1.96 +	TInt iOrdinalPriority;
    1.97 +	TWinType iWinType;
    1.98 +	TInt iFadeCount;
    1.99 +
   1.100 +private:
   1.101 +	CWsPointerCursor *iPointerCursor;
   1.102 +	
   1.103 +#if defined(_DEBUG)
   1.104 +public:
   1.105 +	void CheckTree();
   1.106 +	TBool IsClientHandleInUse(TUint32 aHandle);
   1.107 +#endif
   1.108 +	};
   1.109 +	
   1.110 +inline TWinType CWsWindowBase::WinType() const
   1.111 +	{
   1.112 +	return iWinType;
   1.113 +	}
   1.114 +
   1.115 +inline CWsPointerCursor *CWsWindowBase::PointerCursor() const
   1.116 +	{
   1.117 +	return iPointerCursor;
   1.118 +	}
   1.119 +
   1.120 +inline CWsWindowBase *CWsWindowBase::NextSibling() const
   1.121 +	{
   1.122 +	return iSibling;
   1.123 +	}
   1.124 +
   1.125 +inline CWsWindowBase *CWsWindowBase::BaseChild() const
   1.126 +	{
   1.127 +	return iChild;
   1.128 +	}
   1.129 +
   1.130 +inline CWsWindowBase *CWsWindowBase::BaseParent() const
   1.131 +	{
   1.132 +	return iParent;
   1.133 +	}
   1.134 +
   1.135 +inline TUint32 CWsWindowBase::ClientHandle() const
   1.136 +	{
   1.137 +	return iClientHandle;
   1.138 +	}
   1.139 +
   1.140 +inline TInt CWsWindowBase::FadeCount() const
   1.141 +	{
   1.142 +	return iFadeCount;
   1.143 +	}
   1.144 +
   1.145 +#endif