--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/cbsref/telephonyrefplugins/atltsy/atcommand/callcontrol/inc/atdtmfvts.h	Tue Aug 31 16:23:08 2010 +0300
@@ -0,0 +1,242 @@
+// Copyright (c) 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:
+// @file atdtmfvts.h
+// This contains CATDtmfVts which send the DTMF to network.
+// 
+
+#ifndef ATDTMFVTS_H_
+#define ATDTMFVTS_H_
+
+//system include
+#include <callbacktimer.h>
+//user include
+#include "atcommandbase.h"
+
+//const define
+const TInt KLtsyTonesLength = 200;
+
+
+//class forward
+class CGlobalPhonemanager;
+class CCtsyDispatcherCallback;
+
+class CATDtmfVts : public CAtCommandBase, 
+				   public MTimerObserver
+	{
+public:
+	/**
+	 * Factory funciton
+	 * 
+	 */
+	static CATDtmfVts* NewL(CGlobalPhonemanager& aGloblePhone,
+			                CCtsyDispatcherCallback& aCtsyDispatcherCallback);
+	
+	/**
+	 * Factory function
+	 * 
+	 */
+	static CATDtmfVts* NewLC(CGlobalPhonemanager& aGloblePhone,
+			                 CCtsyDispatcherCallback& aCtsyDispatcherCallback);
+	
+	/**
+	 * Destructor
+	 * 
+	 */
+	virtual ~CATDtmfVts();
+	
+	/**
+	 * Execute the AT command
+	 * 
+	 */
+	virtual void ExecuteCommand();
+		
+	/**
+	 * Start the request
+	 * 
+	 */
+	virtual void StartRequest();
+	
+	/**
+	 * From CAtCommandBase
+	 * 
+	 */
+	virtual void EventSignal(TAtEventSource aEventSource, TInt aStatus);
+
+	/**
+	 * From CAtCommandBase
+	 * 
+	 */
+	virtual void ParseResponseL(const TDesC8& aResponseBuf);
+		
+	/**
+	 * This call id is must an active call id
+	 * 
+	 */
+	TInt SetCallId(TInt aCallId);
+	
+	/**
+	 * Must be invoke when Execucommand
+	 * 
+	 */
+	TInt SetDtmfString(const TDesC& aDtmfString);
+	
+	/**
+	 * Check if the char is the DTMF tones
+	 * 
+	 */
+	TBool CharIsDtmf(const TChar& aDtmfChar);
+	
+	/**
+	 * Check if the string are DTMF tones
+	 * 
+	 */
+	TBool StringIsDtmf(const TDesC& aDtmfString);
+	
+	/**
+     * Reset the all the flag
+	 * 
+	 */
+	void InitVariable();		
+public:
+	/**
+	 * Define the DTMF type
+	 * 
+	 */
+	enum TDtmfWorkType
+		{
+		EDtmfUnknow,
+		EDtmfSendOneTone,   //Send One Char
+		EDtmfSendMoreTones, //Send string tones
+		EDtmfStopOneTone,   //Stop One char
+		EDtmfCancelMoreTones //Cancel More Tones
+		};
+	
+	/**
+	 * 
+     * Set the DTMF Type
+	 */
+	void SetDtmfWorkType(TDtmfWorkType aDtmfWorkType);
+protected:	
+	/**
+	 * Constructor
+	 * 
+	 */
+	CATDtmfVts(CGlobalPhonemanager& aGloblePhone,
+			   CCtsyDispatcherCallback& aCtsyDispatcherCallback);
+	
+	/**
+	 * 2nd constructor
+	 * 
+	 */
+	void ConstructL();	
+private:
+	/**
+	 * Overwite the Parent's complete
+	 * 
+	 */
+	virtual void Complete();
+	
+	/**
+	 * Checck if there is any active call current
+	 * 
+	 */
+	TBool IsHaveActiveCall(TInt aActiveCallId);	
+	
+	/**
+	 * From MTimerObserver 
+	 * 
+	 */
+    virtual void TimerRun(TInt aError);
+    
+    /**
+     * Start the timer
+     * 
+     */
+    void StartTimer();	
+    
+	/**
+	 * Handle IO errors
+	 * 
+	 */
+	void HandleIOError();
+	
+	/**
+	 * Handle response error
+	 * 
+	 */
+	void HandleResponseError();
+	
+	/**
+	 * Handle the complete event
+	 * 
+	 */
+	void HandleSendDtmfTonesSuccess();
+	
+private:
+	
+	/**
+	 * Define the state of sending the DTMF tone
+	 * 
+	 */
+	enum TATStep
+		{
+		EATNotInProgress,
+		EATWaitForWriteComplete,
+		EATReadComplete
+		};
+private:
+	/**
+	 * I/O error when Read or Write
+	 * include timeout
+	 */
+	TInt iIOStatus;
+	
+	/**
+	 * At command return errors
+	 * 
+	 */
+	TInt iATResult;
+	
+	/**
+	 * The sending is done successfully
+	 * 
+	 */
+	TBool iOKFounded;
+	
+	/**
+	 * Identifier step
+	 * 
+	 */
+	TATStep iAnswerStep;	
+	
+	/**
+	 * The calll Id
+	 * 
+	 */
+	TInt iCallId;
+	
+	/**
+	 * The DTMF type
+	 * 
+	 */
+	TDtmfWorkType iDtmfWorkType;
+	
+	/**
+	 * The timer active object
+	 * 
+	 */
+	CCallbackTimer* iCallbackTimer;	
+	};
+
+#endif /*ATDTMFVTS_H_*/