2 lines
17 KiB
JavaScript
2 lines
17 KiB
JavaScript
|
/*! ScrollMagic v2.0.5 | (c) 2015 Jan Paepke (@janpaepke) | license & info: http://scrollmagic.io */
|
||
|
|
!function(e,t){"function"==typeof define&&define.amd?define(t):"object"==typeof exports?module.exports=t():e.ScrollMagic=t()}(this,function(){"use strict";var e=function(){};e.version="2.0.5",window.addEventListener("mousewheel",function(){});var t="data-scrollmagic-pin-spacer";e.Controller=function(r){var o,s,a="ScrollMagic.Controller",l="FORWARD",c="REVERSE",u="PAUSED",f=n.defaults,d=this,h=i.extend({},f,r),g=[],p=!1,v=0,m=u,w=!0,y=0,S=!0,b=function(){for(var e in h)f.hasOwnProperty(e)||delete h[e];if(h.container=i.get.elements(h.container)[0],!h.container)throw a+" init failed.";w=h.container===window||h.container===document.body||!document.body.contains(h.container),w&&(h.container=window),y=z(),h.container.addEventListener("resize",T),h.container.addEventListener("scroll",T),h.refreshInterval=parseInt(h.refreshInterval)||f.refreshInterval,E()},E=function(){h.refreshInterval>0&&(s=window.setTimeout(A,h.refreshInterval))},x=function(){return h.vertical?i.get.scrollTop(h.container):i.get.scrollLeft(h.container)},z=function(){return h.vertical?i.get.height(h.container):i.get.width(h.container)},C=this._setScrollPos=function(e){h.vertical?w?window.scrollTo(i.get.scrollLeft(),e):h.container.scrollTop=e:w?window.scrollTo(e,i.get.scrollTop()):h.container.scrollLeft=e},F=function(){if(S&&p){var e=i.type.Array(p)?p:g.slice(0);p=!1;var t=v;v=d.scrollPos();var n=v-t;0!==n&&(m=n>0?l:c),m===c&&e.reverse(),e.forEach(function(e){e.update(!0)})}},L=function(){o=i.rAF(F)},T=function(e){"resize"==e.type&&(y=z(),m=u),p!==!0&&(p=!0,L())},A=function(){if(!w&&y!=z()){var e;try{e=new Event("resize",{bubbles:!1,cancelable:!1})}catch(t){e=document.createEvent("Event"),e.initEvent("resize",!1,!1)}h.container.dispatchEvent(e)}g.forEach(function(e){e.refresh()}),E()};this._options=h;var O=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(t){if(i.type.Array(t))t.forEach(function(e){d.addScene(e)});else if(t instanceof e.Scene)if(t.controller()!==d)t.addTo(d);else if(g.indexOf(t)<0){g.push(t),g=O(g),t.on("shift.controller_sort",function(){g=O(g)});for(var n in h.globalSceneOptions)t[n]&&t[n].call(t,h.globalSceneOptions[n])}return d},this.removeScene=function(e){if(i.type.Array(e))e.forEach(function(e){d.removeScene(e)});else{var t=g.indexOf(e);t>-1&&(e.off("shift.controller_sort"),g.splice(t,1),e.remove())}return d},this.updateScene=function(t,n){return i.type.Array(t)?t.forEach(function(e){d.updateScene(e,n)}):n?t.update(!0):p!==!0&&t instanceof e.Scene&&(p=p||[],-1==p.indexOf(t)&&p.push(t),p=O(p),L()),d},this.update=function(e){return T({type:"resize"}),e&&F(),d},this.scrollTo=function(n,r){if(i.type.Number(n))C.call(h.container,n,r);else if(n instanceof e.Scene)n.controller()===d&&d.scrollTo(n.scrollOffset(),r);else if(i.type.Function(n))C=n;else{var o=i.get.elements(n)[0];if(o){for(;o.parentNode.hasAttribute(t);)o=o.parentNode;var s=h.vertical?"top":"left",a=i.get.offset(h.container),l=i.get.offset(o);w||(a[s]-=d.scrollPos()),d.scrollTo(l[s]-a[s],r)}}return d},this.scrollPos=function(e){return arguments.length?(i.type.Function(e)&&(x=e),d):x.call(d)},this.info=function(e){var t={size:y,vertical:h.vertical,scrollPos:v,scrollDirection:m,container:h.container,isDocument:w};return arguments.length?void 0!==t[e]?t[e]:void 0:t},this.loglevel=function(){return d},this.enabled=function(e){return arguments.length?(S!=e&&(S=!!e,d.updateScene(g,!0)),d):S},this.destroy=function(e){window.clearTimeout(s);for(var t=g.length;t--;)g[t].destroy(e);return h.container.removeEventListener("resize",T),h.container.removeEventListener("scroll",T),i.cAF(o),null},b(),d};var n={defaults:{container:window,vertical:!0,globalSceneOptions:{},loglevel:2,refreshInterval:100}};e.Controller.addOption=function(e,t){n.defaults[e]=t},e.Controller.extend=function(t){var n=this;e.Controller=function(){return n.apply(this,arguments),this.$super=i.extend({},this),t.apply(this,arguments)||this},i.extend(e.Controller,n),e.Controller.prototype=n.prototype,e.Controller.protot
|