/**
 * Copyright 2013 (c) Anna Schumaker.
 */
#include <core/idle.h>

#include <queue>

static std::queue<idle :: IdleBase *> idle_queue;
static float queued   = 0.0;
static float serviced = 0.0;

idle :: IdleBase :: IdleBase()
{
}

idle :: IdleBase :: ~IdleBase()
{
}

void idle :: IdleBase :: schedule()
{
	idle_queue.push(this);
	queued++;
}


bool idle :: run_task()
{
	if (idle_queue.size() > 0) {
		idle_queue.front()->run();
		delete idle_queue.front();
		idle_queue.pop();
		serviced++;
	}

	if (idle_queue.size() > 0)
		return true;

	queued = 0.0;
	serviced = 0.0;
	return false;
}

float idle :: get_progress()
{
	if (idle_queue.size() == 0)
		return 1.0;
	return serviced / queued;
}