examples/networkCallbackManager/DtExampleEventSignaler.h

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/******************************************************************************
** Copyright (c) 2012 MAK Technologies, Inc.
** All rights reserved.
******************************************************************************/
/******************************************************************************
** $RCSfile: DtExampleEventSignaler.h,v $ $Revision: 1.4 $ $State: Exp $
******************************************************************************/

//\file DtExampleEventSignaler.h
//\brief Contains DtExampleEventSignaler class.
//An event signaler is a class that is used to signal boost style signals from
//the gui thread to the networking thread

#pragma once

#include <vrfGuiCore/vrfGuiCore.h>
#include <vrvUtil/event_signal.h>
#include <vrvUtil/DtVirtualBaseClass.h>
#include <vrvUtil/signalslib.h>

namespace makVrv
{
   class DtDe;
   class DtSharedSettingsManager;
}

class DtExampleEventSignaler : public makVrv::DtVirtualBaseClass
{
public:

   //Get an instance of the simulation settings automatically from the
   //settings manager. this will return a different signaler depending
   //on what thread this function is called from.
   static DtExampleEventSignaler& instance(const makVrv::DtSharedSettingsManager&);

   //Get an instance of the simulation settings from the event queue 
   //interface. This will return the same signaler independent of the thread.
   static DtExampleEventSignaler& instance(makVrv::DtEventQueueInterface&);

   //Find an instance of the signaler, for an interface, if one does not
   //exist it will not be created.
   //\retval NULL if the instance does not exist.
   static DtExampleEventSignaler* findInstance(
      makVrv::DtEventQueueInterface*);

   //DTOR
   virtual ~DtExampleEventSignaler();

   //@name Signals

   //\brief Signal to send a pdu from the network thread
   makVrv::event_signal<void ()> signal_sendPdu;

protected:
   DtExampleEventSignaler(makVrv::DtEventQueueInterface& eqi);

private:
   DtExampleEventSignaler(const DtExampleEventSignaler&);
   DtExampleEventSignaler& operator=(const DtExampleEventSignaler&);
};