1 /*

     2 * Copyright (c) 2006-2009 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

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

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:

    15 * Name        : consolestream.h

    16 * Part of     : stdio server

    17 * To handle console read and write

    18 * 

    19 *

    20 */

    21 

    22 

    23 

    24  

    25 #ifndef _CONSOLESTREAM_H_

    26 #define _CONSOLESTREAM_H_

    27 

    28 #include "streambase.h" //CStreamBase

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

    30 #include <e32keys.h>

    31 

    32 

    33 class CConsoleBase;

    34 

    35 //Enumerations for the console echo - server side

    36 enum TConsoleEcho

    37 	{

    38 	EOff = 0, //Turn Off the echo

    39 	EOn = 1,  //Turn On the echo

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

    41 	EPrintInvalid=127 

    42 	};

    43 

    44 //-----------------------------------------------------------------------

    45 //Class name:  CConsoleStream

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

    47 // 			   It is created through the factory class CConsoleStreamFactory

    48 //-----------------------------------------------------------------------

    49 class CConsoleStream : public CStreamBase

    50 	{

    51 public:

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

    53     virtual void WriteL(TDes8& aDes);

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

    55  	~CConsoleStream();

    56  	virtual void ReadCancel();

    57  	TDes8& Buf();

    58  	TInt SetEcho(TUint8 aEcho);

    59  	TStreamType Type() { return EConsole;}

    60 	

    61 private:

    62     CConsoleStream();	

    63     void ConstructL(TSize aConsoleSize);	 	 

    64     CConsoleBase* iConsole;

    65     TInt iBufPos;

    66     TUint8 iEchoVal; //decides what to echo

    67     void HandleBuf(TKeyCode & key);

    68     TBuf8<1> iTbuf;

    69     };

    70 

    71  #endif //_CONSOLESTREAM_H_