Template:CU Boulder/jquery.hoverIntent.js

/*!

* hoverIntent v1.8.0 // 2014.06.29 // jQuery v1.9.1+
* http://cherne.net/brian/resources/jquery.hoverIntent.html
*
* You may use hoverIntent under the terms of the MIT license. Basically that
* means you are free to use hoverIntent as long as this header is left intact.
* Copyright 2007, 2014 Brian Cherne
*/

(function($){$.fn.hoverIntent=function(handlerIn,handlerOut,selector){var cfg={interval:100,sensitivity:6,timeout:0};if(typeof handlerIn==="object"){cfg=$.extend(cfg,handlerIn)}else{if($.isFunction(handlerOut)){cfg=$.extend(cfg,{over:handlerIn,out:handlerOut,selector:selector})}else{cfg=$.extend(cfg,{over:handlerIn,out:handlerIn,selector:handlerOut})}}var cX,cY,pX,pY;var track=function(ev){cX=ev.pageX;cY=ev.pageY};var compare=function(ev,ob){ob.hoverIntent_t=clearTimeout(ob.hoverIntent_t);if(Math.sqrt((pX-cX)*(pX-cX)+(pY-cY)*(pY-cY))<cfg.sensitivity){$(ob).off("mousemove.hoverIntent",track);ob.hoverIntent_s=true;return cfg.over.apply(ob,[ev])}else{pX=cX;pY=cY;ob.hoverIntent_t=setTimeout(function(){compare(ev,ob)},cfg.interval)}};var delay=function(ev,ob){ob.hoverIntent_t=clearTimeout(ob.hoverIntent_t);ob.hoverIntent_s=false;return cfg.out.apply(ob,[ev])};var handleHover=function(e){var ev=$.extend({},e);var ob=this;if(ob.hoverIntent_t){ob.hoverIntent_t=clearTimeout(ob.hoverIntent_t)}if(e.type==="mouseenter"){pX=ev.pageX;pY=ev.pageY;$(ob).on("mousemove.hoverIntent",track);if(!ob.hoverIntent_s){ob.hoverIntent_t=setTimeout(function(){compare(ev,ob)},cfg.interval)}}else{$(ob).off("mousemove.hoverIntent",track);if(ob.hoverIntent_s){ob.hoverIntent_t=setTimeout(function(){delay(ev,ob)},cfg.timeout)}}};return this.on({"mouseenter.hoverIntent":handleHover,"mouseleave.hoverIntent":handleHover},cfg.selector)}})(jQuery);