SoSensor.h

#ifndef COIN_SOSENSOR_H
#define COIN_SOSENSOR_H
 
/**************************************************************************\
 * Copyright (c) Kongsberg Oil & Gas Technologies AS
 * All rights reserved.
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 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
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 * Redistributions of source code must retain the above copyright notice,
 * this list of conditions and the following disclaimer.
 * 
 * Redistributions in binary form must reproduce the above copyright
 * notice, this list of conditions and the following disclaimer in the
 * documentation and/or other materials provided with the distribution.
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 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 * 
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\**************************************************************************/
 
#include <Inventor/SbBasic.h>
 
class SoSensor;
 
typedef void SoSensorCB(void * data, SoSensor * sensor);
typedef SoSensorCB * SoSensorCBPtr;
 
class COIN_DLL_API SoSensor {
public:
  SoSensor(void);
  SoSensor(SoSensorCB * func, void * data);
  virtual ~SoSensor(void);
 
  void setFunction(SoSensorCB * callbackfunction);
  SoSensorCBPtr getFunction(void) const;
  void setData(void * callbackdata);
  void * getData(void) const;
 
  virtual void schedule(void) = 0;
  virtual void unschedule(void) = 0;
  virtual SbBool isScheduled(void) const = 0;
 
  virtual void trigger(void);
 
  virtual SbBool isBefore(const SoSensor * s) const = 0;
  void setNextInQueue(SoSensor * next);
  SoSensor * getNextInQueue(void) const;
 
  static void initClass(void);
 
protected:
  SoSensorCB * func;
  void * funcData;
};
 
#endif // !COIN_SOSENSOR_H