2 lines
17 KiB
JavaScript
2 lines
17 KiB
JavaScript
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/*! ScrollMagic v2.0.8 | (c) 2020 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";function _(){}_.version="2.0.8","undefined"!=typeof window&&window.addEventListener("mousewheel",void 0);var P="data-scrollmagic-pin-spacer";_.Controller=function(e){function t(){var e,t,n;v&&u&&(e=R.type.Array(u)?u:f.slice(0),u=!1,t=d,0!=(n=(d=l.scrollPos())-t)&&(h=0<n?"FORWARD":i),h===i&&e.reverse(),e.forEach(function(e,t){e.update(!0)}))}function r(){n=R.rAF(t)}var n,o,i="REVERSE",s="PAUSED",a=z.defaults,l=this,c=R.extend({},a,e),f=[],u=!1,d=0,h=s,p=!0,g=0,v=!0,m=function(){0<c.refreshInterval&&(o=window.setTimeout(E,c.refreshInterval))},w=function(){return c.vertical?R.get.scrollTop(c.container):R.get.scrollLeft(c.container)},y=function(){return c.vertical?R.get.height(c.container):R.get.width(c.container)},S=this._setScrollPos=function(e){c.vertical?p?window.scrollTo(R.get.scrollLeft(),e):c.container.scrollTop=e:p?window.scrollTo(e,R.get.scrollTop()):c.container.scrollLeft=e},b=function(e){"resize"==e.type&&(g=y(),h=s),!0!==u&&(u=!0,r())},E=function(){if(!p&&g!=y()){var t;try{t=new Event("resize",{bubbles:!1,cancelable:!1})}catch(e){(t=document.createEvent("Event")).initEvent("resize",!1,!1)}c.container.dispatchEvent(t)}f.forEach(function(e,t){e.refresh()}),m()};this._options=c;function x(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){l.addScene(e)});else if(e instanceof _.Scene)if(e.controller()!==l)e.addTo(l);else if(!~f.indexOf(e))for(var t in f.push(e),f=x(f),e.on("shift.controller_sort",function(){f=x(f)}),c.globalSceneOptions)e[t]&&e[t].call(e,c.globalSceneOptions[t]);return l},this.removeScene=function(e){var t;return R.type.Array(e)?e.forEach(function(e,t){l.removeScene(e)}):-1<(t=f.indexOf(e))&&(e.off("shift.controller_sort"),f.splice(t,1),e.remove()),l},this.updateScene=function(e,n){return R.type.Array(e)?e.forEach(function(e,t){l.updateScene(e,n)}):n?e.update(!0):!0!==u&&e instanceof _.Scene&&(~(u=u||[]).indexOf(e)||u.push(e),u=x(u),r()),l},this.update=function(e){return b({type:"resize"}),e&&t(),l},this.scrollTo=function(e,t){if(R.type.Number(e))S.call(c.container,e,t);else if(e instanceof _.Scene)e.controller()===l&&l.scrollTo(e.scrollOffset(),t);else if(R.type.Function(e))S=e;else{var n=R.get.elements(e)[0];if(n){for(;n.parentNode.hasAttribute(P);)n=n.parentNode;var r=c.vertical?"top":"left",o=R.get.offset(c.container),i=R.get.offset(n);p||(o[r]-=l.scrollPos()),l.scrollTo(i[r]-o[r],t)}}return l},this.scrollPos=function(e){return arguments.length?(R.type.Function(e)&&(w=e),l):w.call(l)},this.info=function(e){var t={size:g,vertical:c.vertical,scrollPos:d,scrollDirection:h,container:c.container,isDocument:p};return arguments.length?void 0!==t[e]?t[e]:void 0:t},this.loglevel=function(e){return l},this.enabled=function(e){return arguments.length?(v!=e&&(v=!!e,l.updateScene(f,!0)),l):v},this.destroy=function(e){window.clearTimeout(o);for(var t=f.length;t--;)f[t].destroy(e);return c.container.removeEventListener("resize",b),c.container.removeEventListener("scroll",b),R.cAF(n),null},function(){for(var e in c)a.hasOwnProperty(e)||delete c[e];if(c.container=R.get.elements(c.container)[0],!c.container)throw"ScrollMagic.Controller init failed.";(p=c.container===window||c.container===document.body||!document.body.contains(c.container))&&(c.container=window),g=y(),c.container.addEventListener("resize",b),c.container.addEventListener("scroll",b);var t=parseInt(c.refreshInterval,10);c.refreshInterval=R.type.Number(t)?t:a.refreshInterval,m()}(),l};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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