2 lines
17 KiB
JavaScript
Executable file
2 lines
17 KiB
JavaScript
Executable file
/*! ScrollMagic v2.0.5 | (c) 2015 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 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.prototype.constructor=e.Controller},e.Scene=function(n){var o,s,a="BEFORE",l="DURING",c="AFTER",u=r.defaults,f=this,d=i.extend({},u,n),h=a,g=0,p={start:0,end:0},v=0,m=!0,w=function(){for(var e in d)u.hasOwnProperty(e)||delete d[e];for(var t in u)L(t);C()},y={};this.on=function(e,t){return i.type.Function(t)&&(e=e.trim().split(" "),e.forEach(function(e){var n=e.split("."),r=n[0],i=n[1];"*"!=r&&(y[r]||(y[r]=[]),y[r].push({namespace:i||"",callback:t}))})),f},this.off=function(e,t){return e?(e=e.trim().split(" "),e.forEach(function(e){var n=e.split("."),r=n[0],i=n[1]||"",o="*"===r?Object.keys(y):[r];o.forEach(function(e){for(var n=y[e]||[],r=n.length;r--;){var o=n[r];!o||i!==o.namespace&&"*"!==i||t&&t!=o.callback||n.splice(r,1)}n.length||delete y[e]})}),f):f},this.trigger=function(t,n){if(t){var r=t.trim().split("."),i=r[0],o=r[1],s=y[i];s&&s.forEach(function(t){o&&o!==t.namespace||t.callback.call(f,new e.Event(i,t.namespace,f,n))})}return f},f.on("change.internal",function(e){"loglevel"!==e.what&&"tweenChanges"!==e.what&&("triggerElement"===e.what?E():"reverse"===e.what&&f.update())}).on("shift.internal",function(){S(),f.update()}),this.addTo=function(t){return t instanceof e.Controller&&s!=t&&(s&&s.removeScene(f),s=t,C(),b(!0),E(!0),S(),s.info("container").addEventListener("resize",x),t.addScene(f),f.trigger("add",{controller:s}),f.update()),f},this.enabled=function(e){return arguments.length?(m!=e&&(m=!!e,f.update(!0)),f):m},this.remove=function(){if(s){s.info("container").removeEventListener("resize",x);var 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S=function(){p={start:v+d.offset},s&&d.triggerElement&&(p.start-=s.info("size")*d.triggerHook),p.end=p.start+d.duration},b=function(e){if(o){var t="duration";F(t,o.call(f))&&!e&&(f.trigger("change",{what:t,newval:d[t]}),f.trigger("shift",{reason:t}))}},E=function(e){var n=0,r=d.triggerElement;if(s&&r){for(var o=s.info(),a=i.get.offset(o.container),l=o.vertical?"top":"left";r.parentNode.hasAttribute(t);)r=r.parentNode;var c=i.get.offset(r);o.isDocument||(a[l]-=s.scrollPos()),n=c[l]-a[l]}var u=n!=v;v=n,u&&!e&&f.trigger("shift",{reason:"triggerElementPosition"})},x=function(){d.triggerHook>0&&f.trigger("shift",{reason:"containerResize"})},z=i.extend(r.validate,{duration:function(e){if(i.type.String(e)&&e.match(/^(\.|\d)*\d+%$/)){var t=parseFloat(e)/100;e=function(){return s?s.info("size")*t:0}}if(i.type.Function(e)){o=e;try{e=parseFloat(o())}catch(n){e=-1}}if(e=parseFloat(e),!i.type.Number(e)||0>e)throw o?(o=void 0,0):0;return e}}),C=function(e){e=arguments.length?[e]:Object.keys(z),e.forEach(function(e){var t;if(z[e])try{t=z[e](d[e])}catch(n){t=u[e]}finally{d[e]=t}})},F=function(e,t){var n=!1,r=d[e];return d[e]!=t&&(d[e]=t,C(e),n=r!=d[e]),n},L=function(e){f[e]||(f[e]=function(t){return arguments.length?("duration"===e&&(o=void 0),F(e,t)&&(f.trigger("change",{what:e,newval:d[e]}),r.shifts.indexOf(e)>-1&&f.trigger("shift",{reason:e})),f):d[e]})};this.controller=function(){return s},this.state=function(){return h},this.scrollOffset=function(){return p.start},this.triggerPosition=function(){var e=d.offset;return s&&(e+=d.triggerElement?v:s.info("size")*f.triggerHook()),e};var T,A;f.on("shift.internal",function(e){var t="duration"===e.reason;(h===c&&t||h===l&&0===d.duration)&&O(),t&&_()}).on("progress.internal",function(){O()}).on("add.internal",function(){_()}).on("destroy.internal",function(e){f.removePin(e.reset)});var O=function(e){if(T&&s){var t=s.info(),n=A.spacer.firstChild;if(e||h!==l){var r={position:A.inFlow?"relative":"absolute",top:0,left:0},o=i.css(n,"position")!=r.position;A.pushFollowers?d.duration>0&&(h===c&&0===parseFloat(i.css(A.spacer,"padding-top"))?o=!0:h===a&&0===parseFloat(i.css(A.spacer,"padding-bottom"))&&(o=!0)):r[t.vertical?"top":"left"]=d.duration*g,i.css(n,r),o&&_()}else{"fixed"!=i.css(n,"position")&&(i.css(n,{position:"fixed"}),_());var u=i.get.offset(A.spacer,!0),f=d.reverse||0===d.duration?t.scrollPos-p.start:Math.round(g*d.duration*10)/10;u[t.vertical?"top":"left"]+=f,i.css(A.spacer.firstChild,{top:u.top,left:u.left})}}},_=function(){if(T&&s&&A.inFlow){var 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r={pushFollowers:!0,spacerClass:"scrollmagic-pin-spacer"};if(n=i.extend({},r,n),e=i.get.elements(e)[0],!e)return f;if("fixed"===i.css(e,"position"))return f;if(T){if(T===e)return f;f.removePin()}T=e;var o=T.parentNode.style.display,s=["top","left","bottom","right","margin","marginLeft","marginRight","marginTop","marginBottom"];T.parentNode.style.display="none";var a="absolute"!=i.css(T,"position"),l=i.css(T,s.concat(["display"])),c=i.css(T,["width","height"]);T.parentNode.style.display=o,!a&&n.pushFollowers&&(n.pushFollowers=!1);var u=T.parentNode.insertBefore(document.createElement("div"),T),d=i.extend(l,{position:a?"relative":"absolute",boxSizing:"content-box",mozBoxSizing:"content-box",webkitBoxSizing:"content-box"});if(a||i.extend(d,i.css(T,["width","height"])),i.css(u,d),u.setAttribute(t,""),i.addClass(u,n.spacerClass),A={spacer:u,relSize:{width:"%"===c.width.slice(-1),height:"%"===c.height.slice(-1),autoFullWidth:"auto"===c.width&&a&&i.isMarginCollapseType(l.display)},pushFollowers:n.pushFollowers,inFlow:a},!T.___origStyle){T.___origStyle={};var h=T.style,g=s.concat(["width","height","position","boxSizing","mozBoxSizing","webkitBoxSizing"]);g.forEach(function(e){T.___origStyle[e]=h[e]||""})}return A.relSize.width&&i.css(u,{width:c.width}),A.relSize.height&&i.css(u,{height:c.height}),u.appendChild(T),i.css(T,{position:a?"relative":"absolute",margin:"auto",top:"auto",left:"auto",bottom:"auto",right:"auto"}),(A.relSize.width||A.relSize.autoFullWidth)&&i.css(T,{boxSizing:"border-box",mozBoxSizing:"border-box",webkitBoxSizing:"border-box"}),window.addEventListener("scroll",N),window.addEventListener("resize",N),window.addEventListener("resize",P),T.addEventListener("mousewheel",D),T.addEventListener("DOMMouseScroll",D),O(),f},this.removePin=function(e){if(T){if(h===l&&O(!0),e||!s){var n=A.spacer.firstChild;if(n.hasAttribute(t)){var r=A.spacer.style,o=["margin","marginLeft","marginRight","marginTop","marginBottom"];margins={},o.forEach(function(e){margins[e]=r[e]||""}),i.css(n,margins)}A.spacer.parentNode.insertBefore(n,A.spacer),A.spacer.parentNode.removeChild(A.spacer),T.parentNode.hasAttribute(t)||(i.css(T,T.___origStyle),delete T.___origStyle)}window.removeEventListener("scroll",N),window.removeEventListener("resize",N),window.removeEventListener("resize",P),T.removeEventListener("mousewheel",D),T.removeEventListener("DOMMouseScroll",D),T=void 0}return f};var R,k=[];return f.on("destroy.internal",function(e){f.removeClassToggle(e.reset)}),this.setClassToggle=function(e,t){var n=i.get.elements(e);return 0!==n.length&&i.type.String(t)?(k.length>0&&f.removeClassToggle(),R=t,k=n,f.on("enter.internal_class leave.internal_class",function(e){var t="enter"===e.type?i.addClass:i.removeClass;k.forEach(function(e){t(e,R)})}),f):f},this.removeClassToggle=function(e){return e&&k.forEach(function(e){i.removeClass(e,R)}),f.off("start.internal_class end.internal_class"),R=void 0,k=[],f},w(),f};var r={defaults:{duration:0,offset:0,triggerElement:void 0,triggerHook:.5,reverse:!0,loglevel:2},validate:{offset:function(e){if(e=parseFloat(e),!i.type.Number(e))throw 0;return e},triggerElement:function(e){if(e=e||void 0){var t=i.get.elements(e)[0];if(!t)throw 0;e=t}return e},triggerHook:function(e){var t={onCenter:.5,onEnter:1,onLeave:0};if(i.type.Number(e))e=Math.max(0,Math.min(parseFloat(e),1));else{if(!(e in t))throw 0;e=t[e]}return e},reverse:function(e){return!!e}},shifts:["duration","offset","triggerHook"]};e.Scene.addOption=function(e,t,n,i){e in r.defaults||(r.defaults[e]=t,r.validate[e]=n,i&&r.shifts.push(e))},e.Scene.extend=function(t){var n=this;e.Scene=function(){return n.apply(this,arguments),this.$super=i.extend({},this),t.apply(this,arguments)||this},i.extend(e.Scene,n),e.Scene.prototype=n.prototype,e.Scene.prototype.constructor=e.Scene},e.Event=function(e,t,n,r){r=r||{};for(var i in r)this[i]=r[i];return this.type=e,this.target=this.currentTarget=n,this.namespace=t||"",this.timeStamp=this.timestamp=Date.now(),this};var i=e._util=function(e){var t,n={},r=function(e){return parseFloat(e)||0},i=function(t){return t.currentStyle?t.currentStyle:e.getComputedStyle(t)},o=function(t,n,o,s){if(n=n===document?e:n,n===e)s=!1;else if(!f.DomElement(n))return 0;t=t.charAt(0).toUpperCase()+t.substr(1).toLowerCase();var a=(o?n["offset"+t]||n["outer"+t]:n["client"+t]||n["inner"+t])||0;if(o&&s){var l=i(n);a+="Height"===t?r(l.marginTop)+r(l.marginBottom):r(l.marginLeft)+r(l.marginRight)}return a},s=function(e){return e.replace(/^[^a-z]+([a-z])/g,"$1").replace(/-([a-z])/g,function(e){return e[1].toUpperCase()})};n.extend=function(e){for(e=e||{},t=1;t<arguments.length;t++)if(arguments[t])for(var n in arguments[t])arguments[t].hasOwnProperty(n)&&(e[n]=arguments[t][n]);return e},n.isMarginCollapseType=function(e){return["block","flex","list-item","table","-webkit-box"].indexOf(e)>-1};var a=0,l=["ms","moz","webkit","o"],c=e.requestAnimationFrame,u=e.cancelAnimationFrame;for(t=0;!c&&t<l.length;++t)c=e[l[t]+"RequestAnimationFrame"],u=e[l[t]+"CancelAnimationFrame"]||e[l[t]+"CancelRequestAnimationFrame"];c||(c=function(t){var n=(new Date).getTime(),r=Math.max(0,16-(n-a)),i=e.setTimeout(function(){t(n+r)},r);return a=n+r,i}),u||(u=function(t){e.clearTimeout(t)}),n.rAF=c.bind(e),n.cAF=u.bind(e);var f=n.type=function(e){return Object.prototype.toString.call(e).replace(/^\[object (.+)\]$/,"$1").toLowerCase()};f.String=function(e){return"string"===f(e)},f.Function=function(e){return"function"===f(e)},f.Array=function(e){return Array.isArray(e)},f.Number=function(e){return!f.Array(e)&&e-parseFloat(e)+1>=0},f.DomElement=function(e){return"object"==typeof HTMLElement?e instanceof HTMLElement:e&&"object"==typeof e&&null!==e&&1===e.nodeType&&"string"==typeof e.nodeName};var d=n.get={};return d.elements=function(t){var n=[];if(f.String(t))try{t=document.querySelectorAll(t)}catch(r){return n}if("nodelist"===f(t)||f.Array(t))for(var i=0,o=n.length=t.length;o>i;i++){var s=t[i];n[i]=f.DomElement(s)?s:d.elements(s)}else(f.DomElement(t)||t===document||t===e)&&(n=[t]);return n},d.scrollTop=function(t){return t&&"number"==typeof t.scrollTop?t.scrollTop:e.pageYOffset||0},d.scrollLeft=function(t){return t&&"number"==typeof t.scrollLeft?t.scrollLeft:e.pageXOffset||0},d.width=function(e,t,n){return o("width",e,t,n)},d.height=function(e,t,n){return o("height",e,t,n)},d.offset=function(e,t){var n={top:0,left:0};if(e&&e.getBoundingClientRect){var r=e.getBoundingClientRect();n.top=r.top,n.left=r.left,t||(n.top+=d.scrollTop(),n.left+=d.scrollLeft())}return n},n.addClass=function(e,t){t&&(e.classList?e.classList.add(t):e.className+=" "+t)},n.removeClass=function(e,t){t&&(e.classList?e.classList.remove(t):e.className=e.className.replace(RegExp("(^|\\b)"+t.split(" ").join("|")+"(\\b|$)","gi")," 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