ObserverWrap.cxx

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#ifdef HAVE_CONFIG_H
#include "config.h"
#endif

#include "ObserverWrap.h"

#include "pattern/Observable.h"

using std::string;

using namespace boost::python;

namespace hippodraw {
  namespace Python {
    void
    export_Observer ()
    {
      class_ < hippodraw::Observer, ObserverWrap, boost::noncopyable >
        ( "Observer",
          "The base class for classes that can be targets of Observable\n"
          "update messages.",
          no_init )
        ;

      class_ < Observable, boost::noncopyable >
        ( "Observable",
          "The base class for classes that can be target of an Observer\n"
          "object.",
          no_init )
        ;
    }
  }
}


ObserverWrap::
ObserverWrap ( PyObject * self )
  : hippodraw::Observer (),
    m_self ( self )
{
}

void
ObserverWrap::
update ( const Observable * obs )
{
#ifndef HAVE_OLD_PYTHON
  PyGILState_STATE state = PyGILState_Ensure ();
  call_method < void, const Observable * > ( m_self, "update", obs );
  PyGILState_Release ( state );
#endif
}

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