/* hoverIntent.js */

/* 1  */ (function($){
/* 2  */ 	/* hoverIntent by Brian Cherne */
/* 3  */ 	$.fn.hoverIntent = function(f,g) {
/* 4  */ 		// default configuration options
/* 5  */ 		var cfg = {
/* 6  */ 			sensitivity: 7,
/* 7  */ 			interval: 100,
/* 8  */ 			timeout: 100
/* 9  */ 		};
/* 10 */ 		// override configuration options with user supplied object
/* 11 */ 		cfg = $.extend(cfg, g ? { over: f, out: g } : f );
/* 12 */ 
/* 13 */ 		// instantiate variables
/* 14 */ 		// cX, cY = current X and Y position of mouse, updated by mousemove event
/* 15 */ 		// pX, pY = previous X and Y position of mouse, set by mouseover and polling interval
/* 16 */ 		var cX, cY, pX, pY;
/* 17 */ 
/* 18 */ 		// A private function for getting mouse position
/* 19 */ 		var track = function(ev) {
/* 20 */ 			cX = ev.pageX;
/* 21 */ 			cY = ev.pageY;
/* 22 */ 		};
/* 23 */ 
/* 24 */ 		// A private function for comparing current and previous mouse position
/* 25 */ 		var compare = function(ev,ob) {
/* 26 */ 			ob.hoverIntent_t = clearTimeout(ob.hoverIntent_t);
/* 27 */ 			// compare mouse positions to see if they've crossed the threshold
/* 28 */ 			if ( ( Math.abs(pX-cX) + Math.abs(pY-cY) ) < cfg.sensitivity ) {
/* 29 */ 				$(ob).unbind("mousemove",track);
/* 30 */ 				// set hoverIntent state to true (so mouseOut can be called)
/* 31 */ 				ob.hoverIntent_s = 1;
/* 32 */ 				return cfg.over.apply(ob,[ev]);
/* 33 */ 			} else {
/* 34 */ 				// set previous coordinates for next time
/* 35 */ 				pX = cX; pY = cY;
/* 36 */ 				// use self-calling timeout, guarantees intervals are spaced out properly (avoids JavaScript timer bugs)
/* 37 */ 				ob.hoverIntent_t = setTimeout( function(){compare(ev, ob);} , cfg.interval );
/* 38 */ 			}
/* 39 */ 		};
/* 40 */ 
/* 41 */ 		// A private function for delaying the mouseOut function
/* 42 */ 		var delay = function(ev,ob) {
/* 43 */ 			ob.hoverIntent_t = clearTimeout(ob.hoverIntent_t);
/* 44 */ 			ob.hoverIntent_s = 0;
/* 45 */ 			return cfg.out.apply(ob,[ev]);
/* 46 */ 		};
/* 47 */ 
/* 48 */ 		// A private function for handling mouse 'hovering'
/* 49 */ 		var handleHover = function(e) {
/* 50 */ 			// next three lines copied from jQuery.hover, ignore children onMouseOver/onMouseOut

/* hoverIntent.js */

/* 51 */ 			var p = (e.type == "mouseover" ? e.fromElement : e.toElement) || e.relatedTarget;
/* 52 */ 			while ( p && p != this ) { try { p = p.parentNode; } catch(e) { p = this; } }
/* 53 */ 			if ( p == this ) { return false; }
/* 54 */ 
/* 55 */ 			// copy objects to be passed into t (required for event object to be passed in IE)
/* 56 */ 			var ev = jQuery.extend({},e);
/* 57 */ 			var ob = this;
/* 58 */ 
/* 59 */ 			// cancel hoverIntent timer if it exists
/* 60 */ 			if (ob.hoverIntent_t) { ob.hoverIntent_t = clearTimeout(ob.hoverIntent_t); }
/* 61 */ 
/* 62 */ 			// else e.type == "onmouseover"
/* 63 */ 			if (e.type == "mouseover") {
/* 64 */ 				// set "previous" X and Y position based on initial entry point
/* 65 */ 				pX = ev.pageX; pY = ev.pageY;
/* 66 */ 				// update "current" X and Y position based on mousemove
/* 67 */ 				$(ob).bind("mousemove",track);
/* 68 */ 				// start polling interval (self-calling timeout) to compare mouse coordinates over time
/* 69 */ 				if (ob.hoverIntent_s != 1) { ob.hoverIntent_t = setTimeout( function(){compare(ev,ob);} , cfg.interval );}
/* 70 */ 
/* 71 */ 			// else e.type == "onmouseout"
/* 72 */ 			} else {
/* 73 */ 				// unbind expensive mousemove event
/* 74 */ 				$(ob).unbind("mousemove",track);
/* 75 */ 				// if hoverIntent state is true, then call the mouseOut function after the specified delay
/* 76 */ 				if (ob.hoverIntent_s == 1) { ob.hoverIntent_t = setTimeout( function(){delay(ev,ob);} , cfg.timeout );}
/* 77 */ 			}
/* 78 */ 		};
/* 79 */ 
/* 80 */ 		// bind the function to the two event listeners
/* 81 */ 		return this.mouseover(handleHover).mouseout(handleHover);
/* 82 */ 	};
/* 83 */ 	
/* 84 */ })(jQuery);
/* 85 */