--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/serialserver/packetloopbackcsy/inc/FlowControlChange.h	Thu Dec 17 09:22:25 2009 +0200
@@ -0,0 +1,63 @@
+// Copyright (c) 2004-2009 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:
+// FlowControlChange.cpp
+// Class that listens for requests to change flow control in packet loopback
+// 
+//
+
+/**
+ @file
+*/
+
+#ifndef __FLOW_CONTROL_CHANGE__
+#define __FLOW_CONTROL_CHANGE__
+
+#include <e32base.h>
+#include <e32property.h>
+
+class MFlowControlChangeCallBack
+	{
+	public:
+	/** This method is called when flow control is started */
+	virtual void StartFlowControl() = 0;
+	/** This method is called when flow control is stopped */
+	virtual void StopFlowControl() = 0;
+	};
+	
+NONSHARABLE_CLASS(CFlowControlChange) : public CActive
+	{
+public:
+	static CFlowControlChange* NewL(TUint aUnit, MFlowControlChangeCallBack* aCallback);
+	~CFlowControlChange();
+
+	TBool FlowControlIsOn() const;
+
+private:
+	CFlowControlChange(TUint aUnit, MFlowControlChangeCallBack* aCallback);
+	
+	void RunL();
+	void DoCancel();
+
+    /** Class with implementation of MFlowControlChangeCallBack::StartFlowControl that is called when the flow control is changed */
+	MFlowControlChangeCallBack *iCallback;
+	/** The property to listen on for changes to flow control */
+	RProperty iProperty;
+	/** The port to listen on for changes to flow control */
+	TUint iUnit;
+	/** True if flow control is on */
+	TBool iFlowControlIsOn;
+	};
+
+#endif
+