/*
   orxonox - the future of 3D-vertical-scrollers

   Copyright (C) 2004 orx

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 2, or (at your option)
   any later version.

   ### File Specific:
   main-programmer: Patrick Boenzli
   co-programmer: ...
*/

#define DEBUG_SPECIAL_MODULE DEBUG_MODULE_EVENT

#include "event_listener.h"
#include "event_handler.h"

ObjectListDefinition(EventListener);
/**
 * @brief standard constructor
 */
EventListener::EventListener ()
{
  this->registerObject(this, EventListener::_objectList);
}


/**
 * @brief standard deconstructor
 *
 * Unsubscribes all Subscribed Events, of this EventListener.
 */
EventListener::~EventListener ()
{
  /* unsubscribes itself from the event listener */
  EventHandler::getInstance()->unsubscribe(this, ES_ALL);
}

bool EventListener::isEventSubscribed(elState state, int eventType) const
{
  return EventHandler::getInstance()->isSubscribed(state, eventType);
}


/**
 * @brief Subscribes an Events to this EventListener.
 * @param state the state to subscribe to.
 * @param eventType the Type of Event to subscribe.
 */
void EventListener::subscribeEvent(elState state, int eventType)
{
  EventHandler::getInstance()->subscribe(this, state, eventType);
}


/**
 * @brief Unubscribes an Event from this EventListener.
 * @param state the state to unsubscribe from.
 * @param eventType the Type of Event to unsubscribe.
 */
void EventListener::unsubscribeEvent(elState state, int eventType)
{
  EventHandler::getInstance()->unsubscribe(this, state, eventType);
}

void EventListener::unsubscribeEvents(elState state)
{
  EventHandler::getInstance()->unsubscribe(this, state);
}