(function(){

// module factory: start

var moduleFactory = function($) {
// module body: start

var module = this; 
var exports = function() { 

/**
* hoverIntent is similar to jQuery's built-in "hover" function except that
* instead of firing the onMouseOver event immediately, hoverIntent checks
* to see if the user's mouse has slowed down (beneath the sensitivity
* threshold) before firing the onMouseOver event.
*
* hoverIntent r6 // 2011.02.26 // jQuery 1.5.1+
* <http://cherne.net/brian/resources/jquery.hoverIntent.html>
*
* hoverIntent is currently available for use in all personal or commercial
* projects under both MIT and GPL licenses. This means that you can choose
* the license that best suits your project, and use it accordingly.
*
* // basic usage (just like .hover) receives onMouseOver and onMouseOut functions
* $("ul li").hoverIntent( showNav , hideNav );
*
* // advanced usage receives configuration object only
* $("ul li").hoverIntent({
*	sensitivity: 7, // number = sensitivity threshold (must be 1 or higher)
*	interval: 100,   // number = milliseconds of polling interval
*	over: showNav,  // function = onMouseOver callback (required)
*	timeout: 0,   // number = milliseconds delay before onMouseOut function call
*	out: hideNav    // function = onMouseOut callback (required)
* });
*
* @param  f  onMouseOver function || An object with configuration options
* @param  g  onMouseOut function  || Nothing (use configuration options object)
* @author    Brian Cherne brian(at)cherne(dot)net
*/

$.fn.hoverIntent = function(f,g) {
	// default configuration options
	var cfg = {
		sensitivity: 7,
		interval: 100,
		timeout: 0
	};
	// override configuration options with user supplied object
	cfg = $.extend(cfg, g ? { over: f, out: g } : f );

	// instantiate variables
	// cX, cY = current X and Y position of mouse, updated by mousemove event
	// pX, pY = previous X and Y position of mouse, set by mouseover and polling interval
	var cX, cY, pX, pY;

	// A private function for getting mouse position
	var track = function(ev) {
		cX = ev.pageX;
		cY = ev.pageY;
	};

	// A private function for comparing current and previous mouse position
	var compare = function(ev,ob) {
		ob.hoverIntent_t = clearTimeout(ob.hoverIntent_t);
		// compare mouse positions to see if they've crossed the threshold
		if ( ( Math.abs(pX-cX) + Math.abs(pY-cY) ) < cfg.sensitivity ) {
			$(ob).unbind("mousemove",track);
			// set hoverIntent state to true (so mouseOut can be called)
			ob.hoverIntent_s = 1;
			return cfg.over.apply(ob,[ev]);
		} else {
			// set previous coordinates for next time
			pX = cX; pY = cY;
			// use self-calling timeout, guarantees intervals are spaced out properly (avoids JavaScript timer bugs)
			ob.hoverIntent_t = setTimeout( function(){compare(ev, ob);} , cfg.interval );
		}
	};

	// A private function for delaying the mouseOut function
	var delay = function(ev,ob) {
		ob.hoverIntent_t = clearTimeout(ob.hoverIntent_t);
		ob.hoverIntent_s = 0;
		return cfg.out.apply(ob,[ev]);
	};

	// A private function for handling mouse 'hovering'
	var handleHover = function(e) {
		// copy objects to be passed into t (required for event object to be passed in IE)
		var ev = jQuery.extend({},e);
		var ob = this;

		// cancel hoverIntent timer if it exists
		if (ob.hoverIntent_t) { ob.hoverIntent_t = clearTimeout(ob.hoverIntent_t); }

		// if e.type == "mouseenter"
		if (e.type == "mouseenter") {
			// set "previous" X and Y position based on initial entry point
			pX = ev.pageX; pY = ev.pageY;
			// update "current" X and Y position based on mousemove
			$(ob).bind("mousemove",track);
			// start polling interval (self-calling timeout) to compare mouse coordinates over time
			if (ob.hoverIntent_s != 1) { ob.hoverIntent_t = setTimeout( function(){compare(ev,ob);} , cfg.interval );}

		// else e.type == "mouseleave"
		} else {
			// unbind expensive mousemove event
			$(ob).unbind("mousemove",track);
			// if hoverIntent state is true, then call the mouseOut function after the specified delay
			if (ob.hoverIntent_s == 1) { ob.hoverIntent_t = setTimeout( function(){delay(ev,ob);} , cfg.timeout );}
		}
	};

	// bind the function to the two event listeners
	return this.bind('mouseenter',handleHover).bind('mouseleave',handleHover);
};

}; 

exports(); 
module.resolveWith(exports); 

// module body: end

}; 
// module factory: end

dispatch("hoverIntent")
.containing(moduleFactory)
.to("Foundry/2.1 Modules");

}());