3 lines
17 KiB
JavaScript
3 lines
17 KiB
JavaScript
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/*! ScrollMagic v2.0.7 | (c) 2019 Jan Paepke (@janpaepke) | license & info: http://scrollmagic.io */
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!function(e,t){"function"==typeof define&&define.amd?define(t):"object"==typeof exports?module.exports=t():e.ScrollMagic=t()}(this,function(){"use strict";var _=function(){};_.version="2.0.7",window.addEventListener("mousewheel",function(){});var P="data-scrollmagic-pin-spacer";_.Controller=function(e){var n,r,i="REVERSE",t="PAUSED",o=z.defaults,s=this,a=R.extend({},o,e),l=[],c=!1,f=0,u=t,d=!0,h=0,p=!0,g=function(){0<a.refreshInterval&&(r=window.setTimeout(E,a.refreshInterval))},v=function(){return a.vertical?R.get.scrollTop(a.container):R.get.scrollLeft(a.container)},m=function(){return a.vertical?R.get.height(a.container):R.get.width(a.container)},w=this._setScrollPos=function(e){a.vertical?d?window.scrollTo(R.get.scrollLeft(),e):a.container.scrollTop=e:d?window.scrollTo(e,R.get.scrollTop()):a.container.scrollLeft=e},y=function(){if(p&&c){var e=R.type.Array(c)?c:l.slice(0);c=!1;var t=f,n=(f=s.scrollPos())-t;0!==n&&(u=0<n?"FORWARD":i),u===i&&e.reverse(),e.forEach(function(e,t){e.update(!0)})}},S=function(){n=R.rAF(y)},b=function(e){"resize"==e.type&&(h=m(),u=t),!0!==c&&(c=!0,S())},E=function(){if(!d&&h!=m()){var t;try{t=new Event("resize",{bubbles:!1,cancelable:!1})}catch(e){(t=document.createEvent("Event")).initEvent("resize",!1,!1)}a.container.dispatchEvent(t)}l.forEach(function(e,t){e.refresh()}),g()};this._options=a;var x=function(e){if(e.length<=1)return e;var t=e.slice(0);return t.sort(function(e,t){return e.scrollOffset()>t.scrollOffset()?1:-1}),t};return this.addScene=function(e){if(R.type.Array(e))e.forEach(function(e,t){s.addScene(e)});else if(e instanceof _.Scene)if(e.controller()!==s)e.addTo(s);else if(l.indexOf(e)<0)for(var t in l.push(e),l=x(l),e.on("shift.controller_sort",function(){l=x(l)}),a.globalSceneOptions)e[t]&&e[t].call(e,a.globalSceneOptions[t]);return s},this.removeScene=function(e){if(R.type.Array(e))e.forEach(function(e,t){s.removeScene(e)});else{var t=l.indexOf(e);-1<t&&(e.off("shift.controller_sort"),l.splice(t,1),e.remove())}return s},this.updateScene=function(e,n){return R.type.Array(e)?e.forEach(function(e,t){s.updateScene(e,n)}):n?e.update(!0):!0!==c&&e instanceof _.Scene&&(-1==(c=c||[]).indexOf(e)&&c.push(e),c=x(c),S()),s},this.update=function(e){return b({type:"resize"}),e&&y(),s},this.scrollTo=function(e,t){if(R.type.Number(e))w.call(a.container,e,t);else if(e instanceof _.Scene)e.controller()===s&&s.scrollTo(e.scrollOffset(),t);else if(R.type.Function(e))w=e;else{var n=R.get.elements(e)[0];if(n){for(;n.parentNode.hasAttribute(P);)n=n.parentNode;var r=a.vertical?"top":"left",i=R.get.offset(a.container),o=R.get.offset(n);d||(i[r]-=s.scrollPos()),s.scrollTo(o[r]-i[r],t)}}return s},this.scrollPos=function(e){return arguments.length?(R.type.Function(e)&&(v=e),s):v.call(s)},this.info=function(e){var t={size:h,vertical:a.vertical,scrollPos:f,scrollDirection:u,container:a.container,isDocument:d};return arguments.length?void 0!==t[e]?t[e]:void 0:t},this.loglevel=function(e){return s},this.enabled=function(e){return arguments.length?(p!=e&&(p=!!e,s.updateScene(l,!0)),s):p},this.destroy=function(e){window.clearTimeout(r);for(var t=l.length;t--;)l[t].destroy(e);return a.container.removeEventListener("resize",b),a.container.removeEventListener("scroll",b),R.cAF(n),null},function(){for(var e in a)o.hasOwnProperty(e)||delete a[e];if(a.container=R.get.elements(a.container)[0],!a.container)throw"ScrollMagic.Controller init failed.";(d=a.container===window||a.container===document.body||!document.body.contains(a.container))&&(a.container=window),h=m(),a.container.addEventListener("resize",b),a.container.addEventListener("scroll",b);var t=parseInt(a.refreshInterval,10);a.refreshInterval=R.type.Number(t)?t:o.refreshInterval,g()}(),s};var z={defaults:{container:window,vertical:!0,globalSceneOptions:{},loglevel:2,refreshInterval:100}};_.Controller.addOption=function(e,t){z.defaults[e]=t},_.Controller.extend=function(e){var t=this;_.Controller=function(){return t.apply(this,arguments),this.$super=R.extend({},this),e.apply(this,arguments)||this},R.extend(_.Controller,t),_.Controller.prototype=t.prototype,_.
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