diff -r 000000000000 -r 15bf7259bb7c uiacceltk/hitchcock/CommonInc/alfwindowstructs.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/uiacceltk/hitchcock/CommonInc/alfwindowstructs.h	Tue Feb 02 07:56:43 2010 +0200
@@ -0,0 +1,140 @@
+#ifndef __ALFWINDOWSTRUCTS_H__
+#define __ALFWINDOWSTRUCTS_H__/*
+* Copyright (c) 2008 Nokia Corporation and/or its subsidiary(-ies). 
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description: 
+*
+*/
+
+
+
+#include <graphics/wsgraphicdrawer.h>
+
+class RMemWriteStream;
+class RMemReadStream;
+
+/**
+ * Set of Integers that can be used to idnetify all window server windows in system
+ */
+NONSHARABLE_STRUCT(TWindowIdentifier)
+    {
+    /** 
+    * Constructor, for convenience 
+    **/
+    //Default constructor
+    TWindowIdentifier() {}
+	
+    TWindowIdentifier(TInt aWindowGroupId, TInt aWindowIdentifer ):
+        iWindowGroupId(aWindowGroupId), iWindowIdentifer(aWindowIdentifer){}
+    
+    TBool IsNull() const
+        {
+        return (!(iWindowGroupId || iWindowIdentifer)); 
+        }
+    
+    TBool Equals(const TWindowIdentifier& aId) const
+        {
+        return ((iWindowGroupId == aId.iWindowGroupId)&&(iWindowIdentifer==aId.iWindowIdentifer)); 
+        }
+    
+    TInt iWindowGroupId;            
+    TInt iWindowIdentifer;          
+    };
+
+enum TAlfWServFlags
+    {
+    EAlfWservFlagNone,
+    EAlfWservFlagDeleted = 0x1      /** Window was already deleted from wserv scene **/
+    };
+
+
+
+enum TAlfWindovEvents
+    {
+    EAlfWindowDestroyed = 0x1,      /** Specific window was destroyed in wserv scene **/
+    EAlfWindowPosChanged = 0x2,     /** Window Position in wserv scene was changed **/
+    EAlfWindowSizeChanged = 0x4,    /** Window Size in wserv scene was changed **/
+    EAlfWindowNewContent = 0x8,     /** New drawing commands to InBuffer()  **/
+    EAlfWindowVisibile = 0x10,      /**  window changed to visible in wserv scene **/ 
+    EAlfWindowNotVisibile = 0x20,   /** window was hidden in wserv scene **/     
+    EAlfWindowIndexChanged = 0x40,  /** z-order of window changed on server **/
+    };
+    
+/**
+ * @struct TAlfWServInfo
+ *
+ * The struct provides encapsulation for specific wserv window data
+ * Usually this data is for reference only, e.g. effects plugin must 
+ * not alter the data
+ **/    
+NONSHARABLE_STRUCT(TAlfWServInfo)
+    {
+    /** 
+    * Constructors, for convenience 
+    **/
+    TAlfWServInfo():
+        iPosition(TPoint(0,0)), 
+        iSize(TSize(0,0)), 
+        iRefId(TWindowIdentifier(0,0)), 
+        iClientSideId(TWindowIdentifier(0,0)), 
+        iFlags(EAlfWservFlagNone),
+        iScreenNumber(0),
+        iParentRefId(TWindowIdentifier(0,0)){}
+
+
+    TAlfWServInfo(const TPoint& aPosition, const TSize& aSize, TInt aWgNodeId, 
+                  TInt aWsNodeId, TInt aWsClientHandle, TInt aWgClientHandle, TUint8 aScreenNumber = 0 ):
+        iPosition(aPosition), 
+        iSize(aSize), 
+        iRefId(TWindowIdentifier(aWgNodeId, aWsNodeId)), 
+        iClientSideId(TWindowIdentifier(aWsClientHandle, aWgClientHandle)), 
+        iFlags(EAlfWservFlagNone),
+        iScreenNumber( aScreenNumber ){}
+
+    TPoint iPosition; /** Window position in WServ scene **/
+    TSize iSize; /** Window Size in WServ scene **/
+    TWindowIdentifier iRefId; /** Unique node ids between wserv and alf **/
+    TWindowIdentifier iClientSideId; /** RWindow::ClientHandle(), RWindowGroup::Identifier() **/
+    TUint iFlags; 
+    MWsWindowTreeNode::TType  iNodeType;
+    TUint8 iScreenNumber;
+    TWindowIdentifier iParentRefId; /** Unique node ids between wserv and alf **/
+    
+#ifdef ALF_DEBUG_TRACK_DRAWING	
+    TBool iTrackWindow;
+#endif
+    
+    /** 
+    * For convenience.
+    * @return Indicates whether the window still exists in WServ scene 
+    **/
+    TBool ExistsInWServ() const
+        {
+        return !((iRefId.IsNull()) ||(iFlags & EAlfWservFlagDeleted));
+        }
+    };
+
+
+NONSHARABLE_STRUCT(TChunkHeader)
+    {
+    TChunkHeader( ):iReadOffset(0), iWriteOffset(0),iMemWriteStream(NULL),iMemWriteStreamUsers(0),iMemReadStream(NULL){};
+        
+    TUint32 iReadOffset;
+    TUint32 iWriteOffset;
+    TUint32 iCommittedWriteOffset;
+    RMemWriteStream* iMemWriteStream;
+    TUint8 iMemWriteStreamUsers;
+    RMemReadStream* iMemReadStream;
+    };
+
+#endif