/*

* Copyright (c) 2006-2009 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:

* Name        : consolestream.h

* Part of     : stdio server

* To handle console read and write

* 

*

*/

#ifndef _CONSOLESTREAM_H_

#define _CONSOLESTREAM_H_

#include "streambase.h" //CStreamBase

#include "ReadRequestHandler.h" //MRead and CReadRequestHandler

#include <e32keys.h>

class CConsoleBase;

//Enumerations for the console echo - server side

enum TConsoleEcho

	{

	EOff = 0, //Turn Off the echo

	EOn = 1,  //Turn On the echo

	EPrintValid = 33, //Printable ascii character set <33-126>

	EPrintInvalid=127 

	};

//-----------------------------------------------------------------------

//Class name:  CConsoleStream

//Description: This class represents the console stream abstraction.

// 			   It is created through the factory class CConsoleStreamFactory

//-----------------------------------------------------------------------

class CConsoleStream : public CStreamBase

	{

public:

    static CConsoleStream* NewL(TInt aWidth, TInt aHeight);

    virtual void WriteL(TDes8& aDes);

    virtual void Read(TRequestStatus& aStatus, const TInt aLength);

 	~CConsoleStream();

 	virtual void ReadCancel();

 	TDes8& Buf();

 	TInt SetEcho(TUint8 aEcho);

 	TStreamType Type() { return EConsole;}

private:

    CConsoleStream();	

    void ConstructL(TSize aConsoleSize);	 	 

    CConsoleBase* iConsole;

    TInt iBufPos;

    TUint8 iEchoVal; //decides what to echo

    void HandleBuf(TKeyCode & key);

    TBuf8<1> iTbuf;

    };

 #endif //_CONSOLESTREAM_H_