1 // Copyright (c) 2003-2009 Nokia Corporation and/or its subsidiary(-ies).

     2 // All rights reserved.

     3 // This component and the accompanying materials are made available

     4 // under the terms of "Eclipse Public License v1.0"

     5 // which accompanies this distribution, and is available

     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 // Contains definitions for classes that implement signal strength functionality.

    15 // 

    16 //

    17 

    18 /**

    19  @file

    20  @internalAll

    21 */

    22 

    23 #ifndef CSimDtmf_H__

    24 #define CSimDtmf_H__

    25 

    26 #include <et_phone.h>

    27 #include "csimtimer.h"

    28 

    29 class CSimPhone;

    30 class CTestConfigSection;

    31 

    32 /**

    33  * Implements the RMobilePhone based functions that constitute the signal strength

    34  * functionality provided by the SIM TSY.

    35  */

    36 class CSimDtmf : public CBase, MTimerCallBack

    37 	{

    38 public:

    39 	static CSimDtmf* NewL(CSimPhone* aPhone);

    40 	CSimDtmf(CSimPhone* aPhone);

    41 	~CSimDtmf();

    42 	TInt GetDtmfCaps(TTsyReqHandle aReqHandle,TDes8* aPckg1);

    43 	TInt NotifyDtmfCapsChange(TTsyReqHandle aReqHandle,TDes8* aPckg1);

    44 	void NotifyDtmfCapsChangeCancel(TTsyReqHandle aReqHandle);

    45 	TInt SendDTMFTones(TTsyReqHandle aReqHandle,TDes* aPckg1);

    46 	TInt StartDTMFTone(TTsyReqHandle aReqHandle,TDes8* aPckg1);

    47 	TInt StopDTMFTone(TTsyReqHandle aReqHandle);

    48 	TInt NotifyStopInDTMFString(TTsyReqHandle aReqHandle);

    49 	void NotifyStopInDTMFStringCancel();

    50 	TInt ContinueDtmfStringSending(TTsyReqHandle aReqHandle,TDes8* aPckg1);

    51 	void SendDTMFTonesCancel();

    52 	void CallClosureCallback();

    53 	const CTestConfigSection* CfgFile();

    54 

    55 private:

    56 	void ConstructL();

    57 	enum TEvent

    58 		{

    59 		EEventStartDtmfString,

    60 		EEventStartDtmfTone,

    61 		EEventTimer,

    62 		EEventStopDtmfTone,

    63 		EEventContinueDtmf,

    64 		EEventTerminateDtmf,

    65 		EEventCallClosure

    66 		};

    67 	TInt ActionEvent(TEvent aEvent);

    68  	TInt ActionEvent(TEvent aEvent,const TChar& aTone);

    69  	TInt ProcessTone(const TChar& aTone,TBool aStartTimer);

    70 

    71 	void CompleteDtmfStringTx(TInt aStatus);

    72 	void CheckNotification();

    73 	TInt SetDtmfCall();

    74 	TBool CheckForActiveVoiceCall();

    75 	void TimerCallBack(TInt aId);

    76 

    77 private:

    78 	CSimPhone* iPhone;		//< Pointer to the parent phone class.

    79 	CSimTimer* iTimer;		//< Pointer to the owned timer class.

    80 	HBufC* iDtmfData;		//< Pointer to buffer holding string of DTMF characters.

    81 

    82 	TBool iNotifyStopChar;				//< Flag indicating that a DTMF Stop Notification is outstanding.

    83 	TTsyReqHandle iNotifyStopReqHandle;	//< The request handle associated with an outstanding DTMF Stop Notification.

    84 	enum TState

    85 		{

    86 		EIdle,

    87 		ETxTone,

    88 		EStopped

    89 		};

    90 	TState iState;						//< DTMF Tx engine state.

    91 	TBool iDtmfString;					//< Flag indicating that a DTMF string tx is ongoing.

    92 	TTsyReqHandle iDtmfStringReqPending;//< The request handle associated with an ongoing DTMF string transmission.

    93 	TInt iDtmfStringIndex;				//< The index of the next DTMF character to be processed when tx'ing a DTMF string.

    94 	};

    95 

    96 #endif