--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/telephonyserverplugins/simtsy/inc/CSimDtmf.h	Tue Feb 02 01:41:59 2010 +0200
@@ -0,0 +1,96 @@
+// 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:
+// Contains definitions for classes that implement signal strength functionality.
+// 
+//
+
+/**
+ @file
+ @internalAll
+*/
+
+#ifndef CSimDtmf_H__
+#define CSimDtmf_H__
+
+#include <et_phone.h>
+#include "csimtimer.h"
+
+class CSimPhone;
+class CTestConfigSection;
+
+/**
+ * Implements the RMobilePhone based functions that constitute the signal strength
+ * functionality provided by the SIM TSY.
+ */
+class CSimDtmf : public CBase, MTimerCallBack
+	{
+public:
+	static CSimDtmf* NewL(CSimPhone* aPhone);
+	CSimDtmf(CSimPhone* aPhone);
+	~CSimDtmf();
+	TInt GetDtmfCaps(TTsyReqHandle aReqHandle,TDes8* aPckg1);
+	TInt NotifyDtmfCapsChange(TTsyReqHandle aReqHandle,TDes8* aPckg1);
+	void NotifyDtmfCapsChangeCancel(TTsyReqHandle aReqHandle);
+	TInt SendDTMFTones(TTsyReqHandle aReqHandle,TDes* aPckg1);
+	TInt StartDTMFTone(TTsyReqHandle aReqHandle,TDes8* aPckg1);
+	TInt StopDTMFTone(TTsyReqHandle aReqHandle);
+	TInt NotifyStopInDTMFString(TTsyReqHandle aReqHandle);
+	void NotifyStopInDTMFStringCancel();
+	TInt ContinueDtmfStringSending(TTsyReqHandle aReqHandle,TDes8* aPckg1);
+	void SendDTMFTonesCancel();
+	void CallClosureCallback();
+	const CTestConfigSection* CfgFile();
+
+private:
+	void ConstructL();
+	enum TEvent
+		{
+		EEventStartDtmfString,
+		EEventStartDtmfTone,
+		EEventTimer,
+		EEventStopDtmfTone,
+		EEventContinueDtmf,
+		EEventTerminateDtmf,
+		EEventCallClosure
+		};
+	TInt ActionEvent(TEvent aEvent);
+ 	TInt ActionEvent(TEvent aEvent,const TChar& aTone);
+ 	TInt ProcessTone(const TChar& aTone,TBool aStartTimer);
+
+	void CompleteDtmfStringTx(TInt aStatus);
+	void CheckNotification();
+	TInt SetDtmfCall();
+	TBool CheckForActiveVoiceCall();
+	void TimerCallBack(TInt aId);
+
+private:
+	CSimPhone* iPhone;		//< Pointer to the parent phone class.
+	CSimTimer* iTimer;		//< Pointer to the owned timer class.
+	HBufC* iDtmfData;		//< Pointer to buffer holding string of DTMF characters.
+
+	TBool iNotifyStopChar;				//< Flag indicating that a DTMF Stop Notification is outstanding.
+	TTsyReqHandle iNotifyStopReqHandle;	//< The request handle associated with an outstanding DTMF Stop Notification.
+	enum TState
+		{
+		EIdle,
+		ETxTone,
+		EStopped
+		};
+	TState iState;						//< DTMF Tx engine state.
+	TBool iDtmfString;					//< Flag indicating that a DTMF string tx is ongoing.
+	TTsyReqHandle iDtmfStringReqPending;//< The request handle associated with an ongoing DTMF string transmission.
+	TInt iDtmfStringIndex;				//< The index of the next DTMF character to be processed when tx'ing a DTMF string.
+	};
+
+#endif