15 lines
7.4 KiB
JavaScript
15 lines
7.4 KiB
JavaScript
|
(function(){function C(){if(!D&&document.body){D=!0;var a=document.body,b=document.documentElement,d=window.innerHeight,c=a.scrollHeight;l=0<=document.compatMode.indexOf("CSS")?b:a;m=a;f.keyboardSupport&&window.addEventListener("keydown",M,!1);if(top!=self)v=!0;else if(ca&&c>d&&(a.offsetHeight<=d||b.offsetHeight<=d)){var e=document.createElement("div");e.style.cssText="position:absolute; z-index:-10000; top:0; left:0; right:0; height:"+l.scrollHeight+"px";document.body.appendChild(e);var g;w=function(){g||
|
||
|
|
(g=setTimeout(function(){e.style.height="0";e.style.height=l.scrollHeight+"px";g=null},500))};setTimeout(w,10);window.addEventListener("resize",w,!1);z=new da(w);z.observe(a,{attributes:!0,childList:!0,characterData:!1});l.offsetHeight<=d&&(d=document.createElement("div"),d.style.clear="both",a.appendChild(d))}f.fixedBackground||(a.style.backgroundAttachment="scroll",b.style.backgroundAttachment="scroll")}}function N(a,b,d){ea(b,d);if(1!=f.accelerationMax){var c=Date.now()-E;c<f.accelerationDelta&&
|
||
|
|
(c=(1+50/c)/2,1<c&&(c=Math.min(c,f.accelerationMax),b*=c,d*=c));E=Date.now()}t.push({x:b,y:d,lastX:0>b?.99:-.99,lastY:0>d?.99:-.99,start:Date.now()});if(!F){c=O();var e=a===c||a===document.body;null==a.$scrollBehavior&&fa(a)&&(a.$scrollBehavior=a.style.scrollBehavior,a.style.scrollBehavior="auto");var g=function(c){c=Date.now();for(var k=0,l=0,h=0;h<t.length;h++){var n=t[h],p=c-n.start,m=p>=f.animationTime,q=m?1:p/f.animationTime;f.pulseAlgorithm&&(p=q,1<=p?q=1:0>=p?q=0:(1==f.pulseNormalize&&(f.pulseNormalize/=
|
||
|
|
P(1)),q=P(p)));p=n.x*q-n.lastX>>0;q=n.y*q-n.lastY>>0;k+=p;l+=q;n.lastX+=p;n.lastY+=q;m&&(t.splice(h,1),h--)}e?window.scrollBy(k,l):(k&&(a.scrollLeft+=k),l&&(a.scrollTop+=l));b||d||(t=[]);t.length?Q(g,a,1E3/f.frameRate+1):(F=!1,null!=a.$scrollBehavior&&(a.style.scrollBehavior=a.$scrollBehavior,a.$scrollBehavior=null))};Q(g,a,0);F=!0}}function R(a){D||C();var b=a.target;if(a.defaultPrevented||a.ctrlKey||r(m,"embed")||r(b,"embed")&&/\.pdf/i.test(b.src)||r(m,"object")||b.shadowRoot)return!0;var d=-a.wheelDeltaX||
|
||
|
|
a.deltaX||0,c=-a.wheelDeltaY||a.deltaY||0;ha&&(a.wheelDeltaX&&x(a.wheelDeltaX,120)&&(d=a.wheelDeltaX/Math.abs(a.wheelDeltaX)*-120),a.wheelDeltaY&&x(a.wheelDeltaY,120)&&(c=a.wheelDeltaY/Math.abs(a.wheelDeltaY)*-120));d||c||(c=-a.wheelDelta||0);1===a.deltaMode&&(d*=40,c*=40);b=S(b);if(!b)return v&&G?(Object.defineProperty(a,"target",{value:window.frameElement}),parent.wheel(a)):!0;if(ia(c))return!0;1.2<Math.abs(d)&&(d*=f.stepSize/120);1.2<Math.abs(c)&&(c*=f.stepSize/120);N(b,d,c);a.preventDefault();
|
||
|
|
T()}function M(a){var b=a.target,d=a.ctrlKey||a.altKey||a.metaKey||a.shiftKey&&a.keyCode!==g.spacebar;document.body.contains(m)||(m=document.activeElement);var c=/^(textarea|select|embed|object)$/i,e=/^(button|submit|radio|checkbox|file|color|image)$/i;if(!(c=a.defaultPrevented||c.test(b.nodeName)||r(b,"input")&&!e.test(b.type)||r(m,"video"))){c=a.target;var h=!1;if(-1!=document.URL.indexOf("www.youtube.com/watch")){do if(h=c.classList&&c.classList.contains("html5-video-controls"))break;while(c=c.parentNode)
|
||
|
|
}c=h}if(c||b.isContentEditable||d||(r(b,"button")||r(b,"input")&&e.test(b.type))&&a.keyCode===g.spacebar||r(b,"input")&&"radio"==b.type&&ja[a.keyCode])return!0;c=b=0;d=S(m);if(!d)return v&&G?parent.keydown(a):!0;e=d.clientHeight;d==document.body&&(e=window.innerHeight);switch(a.keyCode){case g.up:c=-f.arrowScroll;break;case g.down:c=f.arrowScroll;break;case g.spacebar:c=a.shiftKey?1:-1;c=-c*e*.9;break;case g.pageup:c=.9*-e;break;case g.pagedown:c=.9*e;break;case g.home:d==document.body&&document.scrollingElement&&
|
||
|
|
(d=document.scrollingElement);c=-d.scrollTop;break;case g.end:e=d.scrollHeight-d.scrollTop-e;c=0<e?e+10:0;break;case g.left:b=-f.arrowScroll;break;case g.right:b=f.arrowScroll;break;default:return!0}N(d,b,c);a.preventDefault();T()}function U(a){m=a.target}function T(){clearTimeout(V);V=setInterval(function(){W=H=A={}},1E3)}function I(a,b,d){d=d?W:H;for(var c=a.length;c--;)d[J(a[c])]=b;return b}function S(a){var b=[],d=document.body,c=l.scrollHeight;do{var e=H[J(a)];if(e)return I(b,e);b.push(a);if(c===
|
||
|
|
a.scrollHeight){if(e=X(l)&&X(d)||Y(l),v&&l.clientHeight+10<l.scrollHeight||!v&&e)return I(b,O())}else if(a.clientHeight+10<a.scrollHeight&&Y(a))return I(b,a)}while(a=a.parentElement)}function X(a){return"hidden"!==getComputedStyle(a,"").getPropertyValue("overflow-y")}function Y(a){a=getComputedStyle(a,"").getPropertyValue("overflow-y");return"scroll"===a||"auto"===a}function fa(a){var b=J(a);null==A[b]&&(a=getComputedStyle(a,"")["scroll-behavior"],A[b]="smooth"==a);return A[b]}function r(a,b){return a&&
|
||
|
|
(a.nodeName||"").toLowerCase()===b.toLowerCase()}function ea(a,b){a=0<a?1:-1;b=0<b?1:-1;if(B.x!==a||B.y!==b)B.x=a,B.y=b,t=[],E=0}function ia(a){if(a)return h.length||(h=[a,a,a]),a=Math.abs(a),h.push(a),h.shift(),clearTimeout(Z),Z=setTimeout(function(){try{localStorage.SS_deltaBuffer=h.join(",")}catch(b){}},1E3),a=120<a&&K(a),!K(120)&&!K(100)&&!a}function x(a,b){return Math.floor(a/b)==a/b}function K(a){return x(h[0],a)&&x(h[1],a)&&x(h[2],a)}function P(a){a*=f.pulseScale;if(1>a)var b=a-(1-Math.exp(-a));
|
||
|
|
else b=Math.exp(-1),a=1-Math.exp(-(a-1)),b+=a*(1-b);return b*f.pulseNormalize}function y(a){for(var b in a)aa.hasOwnProperty(b)&&(f[b]=a[b])}var aa={frameRate:150,animationTime:400,stepSize:100,pulseAlgorithm:!0,pulseScale:4,pulseNormalize:1,accelerationDelta:50,accelerationMax:3,keyboardSupport:!0,arrowScroll:50,fixedBackground:!0,excluded:""},f=aa,v=!1,B={x:0,y:0},D=!1,l=document.documentElement,m,z,w,h=[],Z,ha=/^Mac/.test(navigator.platform),g={left:37,up:38,right:39,down:40,spacebar:32,pageup:33,
|
||
|
|
pagedown:34,end:35,home:36},ja={37:1,38:1,39:1,40:1},t=[],F=!1,E=Date.now(),J=function(){var a=0;return function(b){return b.uniqueID||(b.uniqueID=a++)}}(),W={},H={},V,A={};if(window.localStorage&&localStorage.SS_deltaBuffer)try{h=localStorage.SS_deltaBuffer.split(",")}catch(a){}var Q=function(){return window.requestAnimationFrame||window.webkitRequestAnimationFrame||window.mozRequestAnimationFrame||function(a,b,d){window.setTimeout(a,d||1E3/60)}}(),da=window.MutationObserver||window.WebKitMutationObserver||
|
||
|
|
window.MozMutationObserver,O=function(){var a=document.scrollingElement;return function(){if(!a){var b=document.createElement("div");b.style.cssText="height:10000px;width:1px;";document.body.appendChild(b);var d=document.body.scrollTop;window.scrollBy(0,3);a=document.body.scrollTop!=d?document.body:document.documentElement;window.scrollBy(0,-3);document.body.removeChild(b)}return a}}(),k=window.navigator.userAgent,u=/Edge/.test(k),G=/chrome/i.test(k)&&!u;u=/safari/i.test(k)&&!u;var ka=/mobile/i.test(k),
|
||
|
|
la=/Windows NT 6.1/i.test(k)&&/rv:11/i.test(k),ca=u&&(/Version\/8/i.test(k)||/Version\/9/i.test(k));k=(G||u||la)&&!ka;var ba=!1;try{window.addEventListener("test",null,Object.defineProperty({},"passive",{get:function(){ba=!0}}))}catch(a){}u=ba?{passive:!1}:!1;var L="onwheel"in document.createElement("div")?"wheel":"mousewheel";L&&k&&(window.addEventListener(L,R,u||!1),window.addEventListener("mousedown",U,!1),window.addEventListener("load",C,!1));y.destroy=function(){z&&z.disconnect();window.removeEventListener(L,
|
||
|
|
R,!1);window.removeEventListener("mousedown",U,!1);window.removeEventListener("keydown",M,!1);window.removeEventListener("resize",w,!1);window.removeEventListener("load",C,!1)};window.SmoothScrollOptions&&y(window.SmoothScrollOptions);"function"===typeof define&&define.amd?define(function(){return y}):"object"==typeof exports?module.exports=y:window.SmoothScroll=y})();
|