// 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:

//

#ifndef COMREADWRITE_H

#define COMREADWRITE_H

#include <e32base.h>

#include <c32comm.h>

class RComm;

class RCommServ;

class IrTranpUtil;

class MComReadWriteObserver

	{

public:

	virtual void ReceiveComplete(TDesC8& aBuffer) = 0;

	virtual void SendComplete() = 0;

	virtual void SendError(TInt aError) = 0;

	virtual void ReceiveError(TInt aError) = 0;

	virtual void Error(TInt aError) = 0;

	};

NONSHARABLE_CLASS(CComReadWrite) : public CActive

{

public:

	enum TState {EError, ESend, EReceive, EOpen, EClose, EStop};

public:

	CComReadWrite();

	~CComReadWrite();

	static CComReadWrite* NewL(MComReadWriteObserver& iObserver);

	void ConstructL();

	void Open();

	void Close();

	void Send(TDesC8& data);

	void Receive();

	void Signal(TInt aError);

private:

	void RunL();

	void DoCancel();

private:

	CComReadWrite(TInt aPrority, MComReadWriteObserver& aObserver);

	RComm iCommPort;

	RCommServ iServer;

	TState iState;

	TBuf8<2048> iRxBuffer;

	TBuf8<2048> iSCEPFrame;

	TBuf8<2048> iTxBuffer;

	MComReadWriteObserver& iObserver;

};

#endif //COMREADWRITE_H