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PsnSignalDispatcher.cxx

Go to the documentation of this file.

/*
 * This file is part of openMask © INRIA, CNRS, Universite de Rennes 1 1993-2002, thereinafter the Software
 * 
 * The Software has been developped within the Siames Project. 
 * INRIA, the University of Rennes 1 and CNRS jointly hold intellectual property rights
 * 
 * The Software has been registered with the Agence pour la Protection des
 * Programmes (APP) under registration number IDDN.FR.001.510008.00.S.P.2001.000.41200
 *  
 * This file may be distributed under the terms of the Q Public License
 * version 1.0 as defined by Trolltech AS of Norway and appearing in the file
 * LICENSE.QPL included in the packaging of this file.
 *
 * Licensees holding valid specific licenses issued by INRIA, CNRS or Université de Rennes 1 
 * for the software may use this file in accordance with that specific license
 *
 */
#include "PsnSignalDispatcher.h"

#include "PsController.h"
#include "PsEvent.h"

PsnSignalDispatcher::PsnSignalDispatcher(PsController & ctrl ) :
   _controler (ctrl) 
{

}

PsnSignalDispatcher::~PsnSignalDispatcher() {
   for (_TableType::iterator i = _tableOfRegistredObjects.begin() ;
        i !=  _tableOfRegistredObjects.end() ;
        i++ )
      {
         delete (*i).second ;
      }
}

void PsnSignalDispatcher::sendEventsForSignal ( PsEvent & event,
                                               const PsEventIdentifier & sigId )
{
   //cerr<<"PsnSignalDispatcher:"<<this<<":sendEventsForSignal "<<sigId<<endl;
   _mutexForRegistredObjectsTable.protect() ;
   _TableType::iterator i = _tableOfRegistredObjects.find ( sigId ) ;
   if (i != _tableOfRegistredObjects.end() )
      {
         _ListType::iterator listeIterator = (*i).second->begin();
         while ( listeIterator != (*i).second->end() )
            {
               event.receiver = listeIterator->first ;
               event.eventId = listeIterator->second ;
               PsSimulatedObject * receiver = _controler.getPointerToSimulatedObjectNamed(event.receiver) ;
               if ( receiver != NULL ) 
                  {
                     receiver->getObjectHandle()->receiveEvent(event) ;
                     listeIterator ++ ;
                  }
               else 
                  {
                     // we suppose the objet no longer exists
                     cerr<<"WARNING : PsnReferenceObjectHandle::sendSignalAsEvent "
                         <<receiver
                         << "no longer seems to exists : deleted from data structure "<<endl;
                     listeIterator = (*i).second->erase ( listeIterator ) ; 
                  }
            }
      }
   _mutexForRegistredObjectsTable.unprotect() ;
}

bool PsnSignalDispatcher::registerForSignal ( const PsEventIdentifier & sigId, 
                                              const PsName & registrant, 
                                              const PsEventIdentifier & eventId ) 
{
   //cerr<<"PsnSignalDispatcher:"<<this<<":registerForSignal on "<<sigId<<" send "<<eventId<<" to "<<registrant<<endl;
   _mutexForRegistredObjectsTable.protect() ;
   _TableType::iterator i = _tableOfRegistredObjects.find ( sigId ) ;
   if (i == _tableOfRegistredObjects.end() )
      {
         _tableOfRegistredObjects[sigId] = new _ListType (1,PsPair<PsName,PsEventIdentifier>(registrant,eventId)) ;
      }
   else 
      {
         (*i).second->push_back( PsPair < PsName, PsEventIdentifier> ( registrant, eventId ) );
      }
   _mutexForRegistredObjectsTable.unprotect() ;
   return true ;
}


bool PsnSignalDispatcher::cancelRegistrationForSignal ( const PsEventIdentifier & sigId, 
                                                        const PsName & registrant ) 
{
   _mutexForRegistredObjectsTable.protect() ;
   _TableType::iterator i = _tableOfRegistredObjects.find ( sigId ) ;
   if (i != _tableOfRegistredObjects.end() )
      {
         _ListType::iterator listeIterator = (*i).second->begin();
         while ( listeIterator != (*i).second->end() )
            {
               if (listeIterator->first == registrant ) 
                  {
                     listeIterator = (*i).second->erase ( listeIterator ) ;
                  }
               else
                  {
                     listeIterator++ ;
                  }
            }
      }
   _mutexForRegistredObjectsTable.unprotect() ;   
   return true ;
}

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