/* Beginning on line 786 */
// If we have a valid rate (can't compute if rate is 0),
// then determine how much time (in seconds) is remaining.
if ( _speed > 0) {
	double kbLeft = ((_size/1024.0) - 
		 (_amountRead/1024.0));
	_timeLeft = newTimeRemaining((int)(kbLeft / _speed));
}

// This member data is for the rolling average.
private final int N = 10; // the number of times to save, adjust at leasure
private boolean full = false; // to only use the average when we have N #s
private int index = 0; // the index for the element to replace in times[]
private int times[] = new int[N]; // the list of times
/**
 * This method calculates the new time remaining based on a rolling average.
 * @author bsdman
 */
private int newTimeRemaining(int anotherTime)
{
	times[index++] = anotherTime;
	if(index == N)
	{
		index = 0;
		full = true;
	}
	if(!full)
		return anotherTime; // since we can't average yet
	// otherwise, take the average
	// TODO this average could probably be written more efficeiently
	long total = 0;
	for(int i = 0; i < N; i++)
		total += times[i];
	return (int)(total/N);
}