Screensaver.js

/**
 * Script:
 *   Screensaver.js - Screensaver functionality written in MooTools.
 *
 * License:
 *   MIT-style license.
 * 
 * Author:
 *   Jose Prado
 *
 * Copyright:
 *   Copyright (©) 2009 [Jose Prado](http://pradador.com/).
 *
 */
var Screensaver = new Class({
	Implements: [Options, Events],
	options: { time: 10000 },

	initialize: function(show, hide, options) {
		this.setOptions(options);
		this.show = show;
		this.hide = hide;
		this.enabled = false;

		window.addEvents({
			'click':     this.reset.bind(this),
			'keypress':  this.reset.bind(this),
			'mousemove': this.reset.bind(this)
		});

		this.start();
	},

	start: function() { this.clearID = this.display.delay(this.options.time, this); },

	reset: function() {
		$clear(this.clearID);
		if (this.enabled) {
			this.hide();
			this.enabled = false;
			this.fireEvent('hide');
		}
		this.start();
		this.fireEvent('reset');
	},

	display: function() {
		this.show();
		this.enabled = true;
		this.fireEvent('show');
	}
});