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/***************************************************************************
stardatasink.h - description
-------------------
begin : Son Feb 10 2002
copyright : (C) 2002 by Thomas Kabelmann
email : tk78@gmx.de
***************************************************************************/
/***************************************************************************
* *
* 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. *
* *
***************************************************************************/
#ifndef STARDATASINK_H
#define STARDATASINK_H
/**@class StarDataSink
*StarDataSink receives data from an FileSource object and appends these data
*to a TQList of star data. It's an asynchronous io class.
*@author Thomas Kabelmann
*@version 1.0
*/
#include <tqobject.h>
#include <tqasyncio.h>
#include <tqglobal.h>
class KStarsData;
class StarDataSink : public TQObject, public TQDataSink {
/**
*class needs signals
*/
Q_OBJECT
TQ_OBJECT
public:
/** constructor */
StarDataSink( KStarsData *parent, const char *name=0 );
/** destructor */
~StarDataSink();
/** is this object ready to receive data? */
int readyToReceive();
/** end of data transmission reached */
void eof();
/**
*This function receives data from FileSource and appends data
*to some lists in KStarsData.
*/
void receive( const uchar *data, int entries );
private:
KStarsData *ksData;
// has objectnamelist changed while reloading?
uint nameListCount;
// counts the number of blocks
uint receivedBlocks;
signals:
/**
*send signal if all data were transmitted
*/
void done();
/**
*send signal to update skymap time by time
*just for long data transmissions needed.
*/
void updateSkymap();
/**
*If name list has changed emit this signal.
*/
void clearCache();
};
#endif
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