ScXMLEventTarget.h

#ifndef SCXML_EVENTTARGET_H
#define SCXML_EVENTTARGET_H
 
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#include <Inventor/scxml/ScXMLObject.h>
#include <Inventor/tools/SbPimplPtr.h>
 
class ScXMLSendElt;
class ScXMLEventElt;
class ScXMLEvent;
 
class COIN_DLL_API ScXMLEventTarget : public ScXMLObject {
  typedef ScXMLObject inherited;
  SCXML_OBJECT_ABSTRACT_HEADER(ScXMLEventTarget)
 
public:
  static void initClass(void);
  static void cleanClass(void);
 
  ScXMLEventTarget(void);
  virtual ~ScXMLEventTarget(void);
 
  // event-target identification
  virtual void setEventTargetType(const char * targettype);
  const char * getEventTargetType(void) const { return this->targettype; }
 
  virtual void setEventTargetName(const char * targetname);
  const char * getEventTargetName(void) const { return this->targetname; }
 
  // event processing
  virtual const ScXMLEvent * getCurrentEvent(void) const { return this->currentevent; }
 
  virtual void queueEvent(const ScXMLEvent * event);
  virtual void queueEvent(const SbName & eventid);
 
  virtual SbBool processEventQueue(void);
 
  // inter-system communication
  virtual SbBool sendExternalEvent(const ScXMLSendElt * sendelt);
  virtual SbBool sendInternalEvent(const ScXMLEventElt * sendelt);
 
  virtual void queueInternalEvent(const ScXMLEvent * event);
  virtual void queueInternalEvent(const SbName & eventid);
 
protected:
  char * targetname;
  char * targettype;
 
  const ScXMLEvent * currentevent;
  SbBool isprocessingqueue;
 
  virtual void setCurrentEvent(const ScXMLEvent * event);
  virtual const ScXMLEvent * getNextEvent(void);
  virtual const ScXMLEvent * getNextInternalEvent(void);
  virtual const ScXMLEvent * getNextExternalEvent(void);
 
  virtual SbBool processOneEvent(const ScXMLEvent * event);
 
  static void registerEventTarget(ScXMLEventTarget * target, const char * sessionid = NULL);
  static void unregisterEventTarget(ScXMLEventTarget * target, const char * sessionid = NULL);
 
  static ScXMLEventTarget * getEventTarget(const char * targettype, const char * targetname, const char * sessionid = NULL);
 
private:
  ScXMLEventTarget(const ScXMLEventTarget & rhs); // N/A
  ScXMLEventTarget & operator = (const ScXMLEventTarget & rhs); // N/A
 
  class PImpl;
  SbPimplPtr<PImpl> pimpl;
 
}; // ScXMLEventTarget
 
#endif // !SCXML_EVENTTARGET_H