SoTimerQueueSensor.h

/*=======================================================================
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**=======================================================================*/
/*=======================================================================
** Author      : Nick Thompson (MMM yyyy)
** Modified by : Paul Strauss (MMM yyyy)
** Modified by : Gavin Bell (MMM yyyy)
**=======================================================================*/
/*=======================================================================
 *** THE CONTENT OF THIS WORK IS PROPRIETARY TO FEI S.A.S, (FEI S.A.S.),            ***
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**=======================================================================*/
/*=======================================================================
** Modified by : VSG (MMM YYYY)
**=======================================================================*/
 
 
#ifndef  _SO_TIMER_QUEUE_SENSOR_
#define  _SO_TIMER_QUEUE_SENSOR_
 
#include <Inventor/sensors/SoSensor.h>
#include <Inventor/SbTime.h>
 
class  SoTimerQueueSensor : public SoSensor {
 
 public:
  SoTimerQueueSensor();
  SoTimerQueueSensor(SoSensorCB *func, void *data);
 
  // Destructor
#ifndef HIDDEN_FROM_DOC
  virtual ~SoTimerQueueSensor();
#endif // HIDDEN_FROM_DOC
 
  const SbTime &      getTriggerTime() const          { return trigTime; }
 
  virtual void        schedule();
  virtual void        unschedule();
 
 private:
  // Used by subclasses to set the time at which the sensor is to be
  // triggered.
  void                setTriggerTime(const SbTime &time);
 
 private:
  SbTime              trigTime;       // Time when sensor is to be triggered
 
  // Returns TRUE if this sensor should precede sensor s in the delay
  // queue: it must have a lower priority number than s.
  virtual SbBool      isBefore(const SoSensor *s) const;
};
 
#endif  /* _SO_TIMER_SENSOR_ */