SoProtoInstance.h

#ifndef COIN_SOPROTOINSTANCE_H
#define COIN_SOPROTOINSTANCE_H

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// NB: This is work-in-progress, and the API might change from day to
// day. Do not use this class unless you are prepared for this.
// pederb, 2002-05-28

#include <Inventor/nodes/SoNode.h>
#include <Inventor/nodes/SoSubNode.h>

class SoProto;
class SoSensor;

class COIN_DLL_API SoProtoInstance : public SoNode {
  typedef SoNode inherited;

  // The following definitions are used instead of SO_NODE_HEADER() to
  // let SoProtoInstance have dynamic handling of SoFieldData objects.

  PRIVATE_NODE_TYPESYSTEM_HEADER();
protected:
  virtual const SoFieldData * getFieldData(void) const;
private:
  SoFieldData * classfielddata;

public:
  static void initClass(void);

  SoProtoInstance(SoProto * proto,
                  const SoFieldData * deffielddata);

  static SoProtoInstance * findProtoInstance(const SoNode * rootnode); 
  void setRootNode(SoNode * root);
  SoNode * getRootNode(void);

  SoProto * getProtoDefinition(void) const;
  SbName getProtoName(void) const;
  
  virtual void write(SoWriteAction * action);

protected:
  virtual ~SoProtoInstance();
  virtual SbBool readInstance(SoInput * in, unsigned short flags);
  virtual const char * getFileFormatName(void) const;

private:

  static void sensorCB(void * data, SoSensor * sensor);
  static void cleanupClass(void);
  void copyFieldData(const SoFieldData * src);

  class SoProtoInstanceP * pimpl;
};

#endif // !COIN_SOPROTOINSTANCE_H