//MooTools More, <http://mootools.net/more>. Copyright (c) 2006-2009 Aaron Newton <http://clientcide.com/>, Valerio Proietti <http://mad4milk.net> & the MooTools team <http://mootools.net/developers>, MIT Style License.

MooTools.More = {
	'version': '1.2.3.1'
};

/*
Script: Class.Refactor.js
	Extends a class onto itself with new property, preserving any items attached to the class's namespace.

	License:
		MIT-style license.

	Authors:
		Aaron Newton
*/

Class.refactor = function(original, refactors){

	$each(refactors, function(item, name){
		var origin = original.prototype[name];
		if (origin && (origin = origin._origin) && typeof item == 'function') original.implement(name, function(){
			var old = this.previous;
			this.previous = origin;
			var value = item.apply(this, arguments);
			this.previous = old;
			return value;
		}); else original.implement(name, item);
	});

	return original;

};

/*
Script: Request.Periodical.js
	Requests the same url at a time interval that increases when no data is returned from the requested server

	License:
		MIT-style license.

	Authors:
		Christoph Pojer

*/

Request.implement({

	options: {
		initialDelay: 5000,
		delay: 5000,
		limit: 60000
	},

	startTimer: function(data){
		var fn = (function(){
			if (!this.running) this.send({data: data});
		});
		this.timer = fn.delay(this.options.initialDelay, this);
		this.lastDelay = this.options.initialDelay;
		this.completeCheck = function(j){
			$clear(this.timer);
			if (j) this.lastDelay = this.options.delay;
			else this.lastDelay = (this.lastDelay+this.options.delay).min(this.options.limit);
			this.timer = fn.delay(this.lastDelay, this);
		};
		this.addEvent('complete', this.completeCheck);
		return this;
	},

	stopTimer: function(){
		$clear(this.timer);
		this.removeEvent('complete', this.completeCheck);
		return this;
	}

});