--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/telephonyprotocols/csdagt/src/Nd_CallBack.cpp	Tue Feb 02 01:41:59 2010 +0200
@@ -0,0 +1,107 @@
+// Copyright (c) 2003-2009 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:
+// CallBack Timer and Callback state base
+// 
+//
+
+/**
+ @file nd_callback.cpp 
+*/
+
+#include "Nd_CallBack.h"
+
+CCallBackTimer* CCallBackTimer::NewL(MNdCallBackObserver* aNotifier)
+/**
+2 phased constructor, first phase.
+
+@param aNotifier a pointer to the call back observer.
+@exception Leaves if ContructL() leaves, or not enough memory is available.
+@return a new CCallBackTimer object.
+*/
+	{
+	CCallBackTimer* p=new(ELeave) CCallBackTimer(aNotifier);
+	CleanupStack::PushL(p);
+	p->ConstructL();	// CTimer::ConstructL()
+	CleanupStack::Pop();
+	return p;
+	}
+
+CCallBackTimer::CCallBackTimer(MNdCallBackObserver* aNotifier) 
+	: CTimer(EPriorityStandard), iNotifier(aNotifier)
+/**
+Private constructor used in the first phase of construction.
+
+@param aNotifier a pointer to the call back observer.
+*/
+	{
+	CActiveScheduler::Add(this);
+	}
+
+void CCallBackTimer::Start(TTimeIntervalMicroSeconds32 aTimer)
+/**
+Start timer.
+
+@param aTimer a value for the timer.
+*/
+	{
+	__ASSERT_DEBUG(aTimer>TTimeIntervalMicroSeconds32(0), User::Invariant());	
+	After(aTimer);
+	}
+
+void CCallBackTimer::RunL()
+/**
+Notify SM that timer complete.
+*/
+	{
+	iNotifier->TimerComplete(KErrTimedOut);
+	}
+
+// NetDial CallBack State base definitions 
+//
+CNdCallBackStateBase::CNdCallBackStateBase(MAgentStateMachineEnv& aSMObserver)
+	: CAgentStateBase(aSMObserver)
+/**
+Constructor.
+
+@param aSMObserver a reference to the state machine observer.
+*/
+	{}
+
+void CNdCallBackStateBase::ConstructL()
+/**
+Instantiate Member variable.
+*/
+	{
+	iCallBackTimer=CCallBackTimer::NewL(this);
+	}
+
+CNdCallBackStateBase::~CNdCallBackStateBase()
+/**
+Destructor.
+Delete member attributes.
+*/
+	{
+	delete iCallBackTimer;
+	}
+
+void CNdCallBackStateBase::TimerComplete(TInt aError)
+/**
+Timer completed.
+
+@param aError a error passed for completition.
+*/
+	{
+	TRequestStatus* status=&iStatus;
+	User::RequestComplete(status,aError);
+	}