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k3b/libk3b/projects/k3bpipebuffer.h

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/*
*
* $Id: k3bpipebuffer.h 619556 2007-01-03 17:38:12Z trueg $
* Copyright (C) 2003 Sebastian Trueg <trueg@k3b.org>
*
* This file is part of the K3b project.
* Copyright (C) 1998-2007 Sebastian Trueg <trueg@k3b.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
* See the file "COPYING" for the exact licensing terms.
*/
#ifndef _K3B_PIPE_BUFFER_H_
#define _K3B_PIPE_BUFFER_H_
#include <k3bthreadjob.h>
/**
* the pipebuffer uses the signal percent to show it's status.
*/
class K3bPipeBuffer : public K3bThreadJob
{
public:
K3bPipeBuffer( K3bJobHandler*, QObject* parent = 0, const char* name = 0 );
~K3bPipeBuffer();
/**
* Set the buffer size in MB. The default value is 4 MB.
*/
void setBufferSize( int );
/**
* If this is set to -1 (which is the default) the pipebuffer
* will create a fd pair which can be obtained by inFd() after
* the buffer has been started.
*/
void readFromFd( int fd );
void writeToFd( int fd );
/**
* This is only valid after the piepbuffer has been started and no fd
* has been set with readFromFd.
*/
int inFd() const;
public slots:
void start();
void cancel();
private:
class WorkThread;
WorkThread* m_thread;
};
#endif