/* Copyright 2011 sss
 * This file is part of evil_core.
 * 
 * evil_core 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 3 of the License, or
 * (at your option) any later version.
 * 
 * evil_core is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with evil_core.  If not, see <http://www.gnu.org/licenses/>.*/

#include "commonheaders.h"

extern std::list<evt_handler*> event_handlers;
extern boost::mutex event_handlers_mutex;


const int evt_handler::getType()
{
	return evt_type;
}

evt_handler::evt_handler(int type)
{
	evt_type = type;
}

void evt_handler::AddHandler(EVENT_HANDLER add_handler)
{
	handler.connect(add_handler);
}
void* evt_handler::Execute(void* data)
{
	return handler(data);
}

bool RegisterEventHandler(int type, EVENT_HANDLER func)
{
	if(!event_handlers.empty())
	{
		event_handlers_mutex.lock();
		std::list<evt_handler*>::iterator end = event_handlers.end();
		for(std::list<evt_handler*>::iterator i = event_handlers.begin(); i != end; ++i)
		{
			if((*i)->getType() == type)
			{
				(*i)->AddHandler(func);
			}
		}
	}
	return true;
}
int RegisterEventType(int type)
{
	if(!event_handlers.empty())
	{
		event_handlers_mutex.lock();
		std::list<evt_handler*>::iterator end = event_handlers.end();
		for(std::list<evt_handler*>::iterator i = event_handlers.begin(); i != end; ++i)
		{
			if((*i)->getType() == type)
				return -1;
		}
	}
	event_handlers.push_back(new evt_handler(type));
	return 0;
}

void* ExecuteEvent(int type,void* data)
{
	if(!event_handlers.empty())
	{
		event_handlers_mutex.lock();
		std::list<evt_handler*>::iterator end = event_handlers.end();
		for(std::list<evt_handler*>::iterator i = event_handlers.begin(); i != end; ++i)
		{
			if((*i)->getType() == type)
				return (*i)->Execute(data);
		}
	}
	event_handlers.push_back(new evt_handler(type));
//	return (void*)&event_handlers.back()->Execute; TODO:
}