// Copyright (c) 1997-2009 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:

// Contents :  fax s/r header file

// 

//

/**

 @file

 @internalComponent 

*/

#ifndef __FAXMODEM_H

#define __FAXMODEM_H

#include "FAXLOG.H"

// high level modem control functions

class CFaxModem : public CBase

/**

@internalComponent

*/

	{

public:

	static CFaxModem * NewL (TFaxServerSessionSettings *,RFax::TProgress& aProgress);

	static CFaxModem * NewLC (TFaxServerSessionSettings *,RFax::TProgress& aProgress);

	CFaxModem (RFax::TProgress& aProgress);	// added by MattS

	~CFaxModem ();

private:

	void ConstructL (TFaxServerSessionSettings *);

	TInt SubImportL (TDes8 &, TInt);	// chop up long timeouts

	void Dropdtr (void);				// drop DTR for a second

	void LowerDTR (void);				// do this to hang up modem

	void RaiseDTR (void);				// normal port state

	void Speed (TBps);					// set port speed

	void SendL (const TDesC8 &);		// Send a descriptor

	void HangupProcedureL();			// Destructor Hangup procedure

	void SetModemCommandModeL(void);	// Switch modem into command mode and clear its buffer.

public:

	TInt GetMatchL (const TDesC8 &, TInt);

	TInt ImportL (TDes8 &, TInt);

	TInt ExportL (const TDesC8 &);

	TInt clock (void);					// get ticks since start

	void Silence (void);

	void Silence (TInt) const;

	void Xonon (void);					// set Kxon/Kxoff

	void Xonoff (void);					// no handshaking, normal port state

	TInt Rxstat (void);					// Any character waiting to be read ?

	TInt Txstat (void);					// Any characters waiting to be sent ?

	void TxcharL (TUint8);				// this sends a byte

	inline void SendTransmitBufferL (void);

	void CommitTransmitBufferL (void);

	TInt RxcharWaitL (TInt &);

	void ProgressUpdateL ();

	TInt iVerbose;

	TInt iCancel;

	RFax::TProgress& iProgress;			// was TFaxTransferProgress. MattS.

	TBuf8 < 256 > iOurMessage;			// for feedback

	TInt iGranularity;					// for looking up timer granularity

	TInt iCalls;						// call calibration for high granularity

	TBuf8 < 1 > iReadone;				// for single character reads

	TBuf8 < KBufSize+16 > iTransmitBuffer;	// send data i/o buffer

	TBuf8 < KBufSize > iReceiveBuffer;		// read data i/o buffer

protected:									// all these will default to EFalse

	TBool iFileSessionOpen;

	TBool iFileOpen;

	TBool iPortOpen;

	TBool iModemSet;

	TBool iTimingLoopDelay;

	TCommConfig iRS232Settings;

	TRequestStatus iRecstat;				// for reads

	TRequestStatus iTranstat;				// for sends

	TBuf8 < 1 > iSendone;					// for single character sends

	TTime iStartTime;						// time we started at

	RComm iCommSession;

	RFs iFileSession;

	RFile iFile;

	};

/********************************************************************/

#include "FAXMODEM.INL"

#endif