--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/windowing/windowserver/nga/SERVER/openwfc/Direct.H	Tue Feb 02 01:47:50 2010 +0200
@@ -0,0 +1,149 @@
+// Copyright (c) 2000-2009 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:
+// Definition of Direct Screen Access class
+// 
+//
+
+#ifndef __DIRECT_H__
+#define __DIRECT_H__
+
+#include <e32std.h>
+#include <e32base.h>
+#include "W32STD.H"
+#include "w32cmd.h"
+#include "OBJECT.H"
+#include "CLIENT.H"
+#include <e32msgqueue.h>
+
+class CWsClientWindow;
+class CWsDirectScreenAccess;
+class CDsaMsgQueue;
+
+NONSHARABLE_CLASS(CWsAbortDirect) : public CActive
+	{
+public:
+	CWsAbortDirect(CWsDirectScreenAccess* aDirect,CDsaMsgQueue* aParent);
+	~CWsAbortDirect();
+	void Started();
+	void Complete(TInt aReason);
+private:
+	//Pure virtual function from CActive
+	void RunL();
+	void DoCancel();
+private:
+	CWsDirectScreenAccess* iDirect;
+	CDsaMsgQueue* iParent;
+	};
+
+NONSHARABLE_CLASS(CDsaMsgQueue) : public CBase
+{
+	public:
+		static CDsaMsgQueue* NewL(CWsDirectScreenAccess* aDirect);
+		~CDsaMsgQueue();
+		TInt CreateSendQueue();
+		TInt CreateRecQueue();
+		RMsgQueueBase* SendQueue();
+		RMsgQueueBase* RecQueue();
+		void Cancel();
+		void Complete();
+		void CompleteAbort();
+		void Started();
+		TInt Send(TInt aData);
+		TInt ReceiveData();
+		TRequestStatus& Status()
+		{
+			return iAborted->iStatus;
+		}
+		
+	private:
+		CDsaMsgQueue();
+		void ConstructL(CWsDirectScreenAccess* aDirect);
+	private:
+		RMsgQueueBase iSendQueue;
+		RMsgQueueBase iRecQueue;
+		CWsAbortDirect* iAborted;
+	};
+
+class CWsDirectScreenAccess : public CWsScreenObject
+	{
+public:
+	enum TStatus
+		{
+		EDirectStatusTimeNotCreated,
+		EDirectStatusNone,
+		EDirectStatusInitialising,
+		EDirectStatusRunning,
+		EDirectStatusCompleted,
+		EDirectStatusCanceling,
+		EDirectStatusAbortedWindow,
+		EDirectStatusAbortedGlobal,
+		EDirectStatusAborted=EDirectStatusAbortedWindow,
+		};
+public:
+	static CWsDirectScreenAccess* NewL(CWsClient* aOwner,TBool aRegionTrackingOnly);
+	~CWsDirectScreenAccess();
+	void Request(TInt handle);
+	void GetRegion(TInt aNumRects);
+	void Cancel();
+	void Aborted();
+	void AbortNow();
+	TInt GetSendQueue();
+	TInt GetRecQueue();
+	void SignalAbort(RDirectScreenAccess::TTerminationReasons aReason);
+	inline TRequestStatus& AbortStatus() {return iMsgQueue->Status();}
+	void CancelAbortObject();
+	void Abort();
+	//Pure virtual function from CWsObject
+	void CommandL(TInt aOpcode, const TAny* aCmdData);
+	inline TBool IsVisible() const;
+	inline TBool IsRegionTrackingOnly();
+	TBool IsAbortRequired(const TRegion& aTopVisibleRegion) const;
+	inline CWsClientWindow* ClientWindow() const;
+public:
+	TSglQueLink iLink;
+	TSglQueLink iMultipleDSALink;
+	TSglQueLink iAbortLink; // Used to build a list of DSA objects that need to be aborted on a specific window
+private:
+	inline CWsDirectScreenAccess(CWsClient* aOwner): CWsScreenObject(aOwner,WS_HANDLE_DIRECT, aOwner->Screen()) {}
+	void ConstructL(TBool aRegionTrackingOnly);
+	TInt Initiate();
+	void Terminate1();
+	void Terminate2();
+	void CorrectScreen();
+#if defined(_DEBUG)
+	TBool OnQueue();
+#endif
+private:
+	CWsClientWindow* iWin;
+	RWsRegion iVisible;
+	CDsaMsgQueue* iMsgQueue;
+	TStatus iStatus;
+	RDirectScreenAccess::TTerminationReasons iAbortReason;
+	TBool iRegionTrackingOnly;
+	};
+
+inline TBool CWsDirectScreenAccess::IsVisible() const
+	{
+	return !iVisible.IsEmpty();
+	}
+inline CWsClientWindow* CWsDirectScreenAccess::ClientWindow() const
+	{
+	return iWin;
+	}
+
+inline TBool CWsDirectScreenAccess::IsRegionTrackingOnly()
+	{
+	return iRegionTrackingOnly;
+	}
+#endif