https://www.achtypistours.gr/sites/all/themes/fusion/fusion_core/js/hoverIntent.js?t

1
2;(function($){
3	/* hoverIntent by Brian Cherne */
4	$.fn.hoverIntent = function(f,g) {
5		// default configuration options
6		var cfg = {
7			sensitivity: 7,
8			interval: 100,
9			timeout: 0
10		};
11		// override configuration options with user supplied object
12		cfg = $.extend(cfg, g ? { over: f, out: g } : f );
13
14		// instantiate variables
15		// cX, cY = current X and Y position of mouse, updated by mousemove event
16		// pX, pY = previous X and Y position of mouse, set by mouseover and polling interval
17		var cX, cY, pX, pY;
18
19		// A private function for getting mouse position
20		var track = function(ev) {
21			cX = ev.pageX;
22			cY = ev.pageY;
23		};
24
25		// A private function for comparing current and previous mouse position
26		var compare = function(ev,ob) {
27			ob.hoverIntent_t = clearTimeout(ob.hoverIntent_t);
28			// compare mouse positions to see if they've crossed the threshold
29			if ( ( Math.abs(pX-cX) + Math.abs(pY-cY) ) < cfg.sensitivity ) {
30				$(ob).unbind("mousemove",track);
31				// set hoverIntent state to true (so mouseOut can be called)
32				ob.hoverIntent_s = 1;
33				return cfg.over.apply(ob,[ev]);
34			} else {
35				// set previous coordinates for next time
36				pX = cX; pY = cY;
37				// use self-calling timeout, guarantees intervals are spaced out properly (avoids JavaScript timer bugs)
38				ob.hoverIntent_t = setTimeout( function(){compare(ev, ob);} , cfg.interval );
39			}
40		};
41
42		// A private function for delaying the mouseOut function
43		var delay = function(ev,ob) {
44			ob.hoverIntent_t = clearTimeout(ob.hoverIntent_t);
45			ob.hoverIntent_s = 0;
46			return cfg.out.apply(ob,[ev]);
47		};
48
49		// A private function for handling mouse 'hovering'
50		var handleHover = function(e) {
51			// next three lines copied from jQuery.hover, ignore children onMouseOver/onMouseOut
52			var p = (e.type == "mouseover" ? e.fromElement : e.toElement) || e.relatedTarget;
53			while ( p && p != this ) { try { p = p.parentNode; } catch(e) { p = this; } }
54			if ( p == this ) { return false; }
55
56			// copy objects to be passed into t (required for event object to be passed in IE)
57			var ev = jQuery.extend({},e);
58			var ob = this;
59
60			// cancel hoverIntent timer if it exists
61			if (ob.hoverIntent_t) { ob.hoverIntent_t = clearTimeout(ob.hoverIntent_t); }
62
63			// else e.type == "onmouseover"
64			if (e.type == "mouseover") {
65				// set "previous" X and Y position based on initial entry point
66				pX = ev.pageX; pY = ev.pageY;
67				// update "current" X and Y position based on mousemove
68				$(ob).bind("mousemove",track);
69				// start polling interval (self-calling timeout) to compare mouse coordinates over time
70				if (ob.hoverIntent_s != 1) { ob.hoverIntent_t = setTimeout( function(){compare(ev,ob);} , cfg.interval );}
71
72			// else e.type == "onmouseout"
73			} else {
74				// unbind expensive mousemove event
75				$(ob).unbind("mousemove",track);
76				// if hoverIntent state is true, then call the mouseOut function after the specified delay
77				if (ob.hoverIntent_s == 1) { ob.hoverIntent_t = setTimeout( function(){delay(ev,ob);} , cfg.timeout );}
78			}
79		};
80
81		// bind the function to the two event listeners
82		return this.mouseover(handleHover).mouseout(handleHover);
83	};
84	
85})(jQuery);