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9 lines
No EOL
2.2 KiB
JavaScript
9 lines
No EOL
2.2 KiB
JavaScript
/*!
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* hoverIntent v1.9.0 // 2017.09.01 // jQuery v1.7.0+
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* http://briancherne.github.io/jquery-hoverIntent/
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*
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* You may use hoverIntent under the terms of the MIT license. Basically that
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* means you are free to use hoverIntent as long as this header is left intact.
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* Copyright 2007-2017 Brian Cherne
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*/
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!function(factory){"use strict";"function"==typeof define&&define.amd?define(["jquery"],factory):jQuery&&!jQuery.fn.hoverIntent&&factory(jQuery)}(function($){"use strict";var cX,cY,_cfg={interval:100,sensitivity:6,timeout:0},INSTANCE_COUNT=0,track=function(ev){cX=ev.pageX,cY=ev.pageY},compare=function(ev,$el,s,cfg){if(Math.sqrt((s.pX-cX)*(s.pX-cX)+(s.pY-cY)*(s.pY-cY))<cfg.sensitivity)return $el.off(s.event,track),delete s.timeoutId,s.isActive=!0,ev.pageX=cX,ev.pageY=cY,delete s.pX,delete s.pY,cfg.over.apply($el[0],[ev]);s.pX=cX,s.pY=cY,s.timeoutId=setTimeout(function(){compare(ev,$el,s,cfg)},cfg.interval)},delay=function(ev,$el,s,out){return delete $el.data("hoverIntent")[s.id],out.apply($el[0],[ev])};$.fn.hoverIntent=function(handlerIn,handlerOut,selector){var instanceId=INSTANCE_COUNT++,cfg=$.extend({},_cfg);$.isPlainObject(handlerIn)?(cfg=$.extend(cfg,handlerIn),$.isFunction(cfg.out)||(cfg.out=cfg.over)):cfg=$.isFunction(handlerOut)?$.extend(cfg,{over:handlerIn,out:handlerOut,selector:selector}):$.extend(cfg,{over:handlerIn,out:handlerIn,selector:handlerOut});var handleHover=function(e){var ev=$.extend({},e),$el=$(this),hoverIntentData=$el.data("hoverIntent");hoverIntentData||$el.data("hoverIntent",hoverIntentData={});var state=hoverIntentData[instanceId];state||(hoverIntentData[instanceId]=state={id:instanceId}),state.timeoutId&&(state.timeoutId=clearTimeout(state.timeoutId));var mousemove=state.event="mousemove.hoverIntent.hoverIntent"+instanceId;if("mouseenter"===e.type){if(state.isActive)return;state.pX=ev.pageX,state.pY=ev.pageY,$el.off(mousemove,track).on(mousemove,track),state.timeoutId=setTimeout(function(){compare(ev,$el,state,cfg)},cfg.interval)}else{if(!state.isActive)return;$el.off(mousemove,track),state.timeoutId=setTimeout(function(){delay(ev,$el,state,cfg.out)},cfg.timeout)}};return this.on({"mouseenter.hoverIntent":handleHover,"mouseleave.hoverIntent":handleHover},cfg.selector)}}); |