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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/***************************************************************************
 *            event.cc
 *
 *  Sat Sep 18 22:02:16 CEST 2010
 *  Copyright 2010 Bent Bisballe Nyeng
 *  deva@aasimon.org
 ****************************************************************************/

/*
 *  This file is part of DrumGizmo.
 *
 *  DrumGizmo is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU Lesser General Public License as published by
 *  the Free Software Foundation; either version 3 of the License, or
 *  (at your option) any later version.
 *
 *  DrumGizmo 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 Lesser General Public License for more details.
 *
 *  You should have received a copy of the GNU Lesser General Public License
 *  along with DrumGizmo; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA.
 */
#include "events.h"

void EventQueue::post(Event* event, timepos_t time)
{
	std::lock_guard<std::mutex> guard(mutex);
	event->offset = time;
	queue.insert(std::pair<timepos_t, Event*>(time, event));
}

Event* EventQueue::take(timepos_t time)
{
	std::lock_guard<std::mutex> guard(mutex);
	std::multimap<timepos_t, Event*>::iterator i = queue.find(time);
	if(i == queue.end())
		return NULL;
	Event* event = i->second;
	queue.erase(i);
	return event;
}

bool EventQueue::hasEvent(timepos_t time)
{
	std::lock_guard<std::mutex> guard(mutex);
	return queue.find(time) != queue.end();
}