2 lines
7.3 KiB
JavaScript
2 lines
7.3 KiB
JavaScript
|
//1.4.10
|
||
|
|
!function(){var s,i,c,a,o={frameRate:150,animationTime:400,stepSize:100,pulseAlgorithm:!0,pulseScale:4,pulseNormalize:1,accelerationDelta:50,accelerationMax:3,keyboardSupport:!0,arrowScroll:50,fixedBackground:!0,excluded:""},p=o,u=!1,d=!1,n={x:0,y:0},f=!1,m=document.documentElement,l=[],h=/^Mac/.test(navigator.platform),w={left:37,up:38,right:39,down:40,spacebar:32,pageup:33,pagedown:34,end:35,home:36},v={37:1,38:1,39:1,40:1};function y(){if(!f&&document.body){f=!0;var e=document.body,t=document.documentElement,o=window.innerHeight,n=e.scrollHeight;if(m=0<=document.compatMode.indexOf("CSS")?t:e,s=e,p.keyboardSupport&&Y("keydown",x),top!=self)d=!0;else if(Q&&o<n&&(e.offsetHeight<=o||t.offsetHeight<=o)){var r,a=document.createElement("div");a.style.cssText="position:absolute; z-index:-10000; top:0; left:0; right:0; height:"+m.scrollHeight+"px",document.body.appendChild(a),c=function(){r=r||setTimeout(function(){u||(a.style.height="0",a.style.height=m.scrollHeight+"px",r=null)},500)},setTimeout(c,10),Y("resize",c);if((i=new R(c)).observe(e,{attributes:!0,childList:!0,characterData:!1}),m.offsetHeight<=o){var l=document.createElement("div");l.style.clear="both",e.appendChild(l)}}p.fixedBackground||u||(e.style.backgroundAttachment="scroll",t.style.backgroundAttachment="scroll")}}var b=[],g=!1,r=Date.now();function S(d,f,m){if(function(e,t){e=0<e?1:-1,t=0<t?1:-1,n.x===e&&n.y===t||(n.x=e,n.y=t,b=[],r=0)}(f,m),1!=p.accelerationMax){var e=Date.now()-r;if(e<p.accelerationDelta){var t=(1+50/e)/2;1<t&&(t=Math.min(t,p.accelerationMax),f*=t,m*=t)}r=Date.now()}if(b.push({x:f,y:m,lastX:f<0?.99:-.99,lastY:m<0?.99:-.99,start:Date.now()}),!g){var o=q(),h=d===o||d===document.body;null==d.$scrollBehavior&&function(e){var t=M(e);if(null==B[t]){var o=getComputedStyle(e,"")["scroll-behavior"];B[t]="smooth"==o}return B[t]}(d)&&(d.$scrollBehavior=d.style.scrollBehavior,d.style.scrollBehavior="auto");var w=function(e){for(var t=Date.now(),o=0,n=0,r=0;r<b.length;r++){var a=b[r],l=t-a.start,i=l>=p.animationTime,c=i?1:l/p.animationTime;p.pulseAlgorithm&&(c=F(c));var s=a.x*c-a.lastX>>0,u=a.y*c-a.lastY>>0;o+=s,n+=u,a.lastX+=s,a.lastY+=u,i&&(b.splice(r,1),r--)}h?window.scrollBy(o,n):(o&&(d.scrollLeft+=o),n&&(d.scrollTop+=n)),f||m||(b=[]),b.length?j(w,d,1e3/p.frameRate+1):(g=!1,null!=d.$scrollBehavior&&(d.style.scrollBehavior=d.$scrollBehavior,d.$scrollBehavior=null))};j(w,d,0),g=!0}}function e(e){f||y();var t=e.target;if(e.defaultPrevented||e.ctrlKey)return!0;if(N(s,"embed")||N(t,"embed")&&/\.pdf/i.test(t.src)||N(s,"object")||t.shadowRoot)return!0;var o=-e.wheelDeltaX||e.deltaX||0,n=-e.wheelDeltaY||e.deltaY||0;h&&(e.wheelDeltaX&&K(e.wheelDeltaX,120)&&(o=e.wheelDeltaX/Math.abs(e.wheelDeltaX)*-120),e.wheelDeltaY&&K(e.wheelDeltaY,120)&&(n=e.wheelDeltaY/Math.abs(e.wheelDeltaY)*-120)),o||n||(n=-e.wheelDelta||0),1===e.deltaMode&&(o*=40,n*=40);var r=z(t);return r?!!function(e){if(!e)return;l.length||(l=[e,e,e]);e=Math.abs(e),l.push(e),l.shift(),clearTimeout(a),a=setTimeout(function(){try{localStorage.SS_deltaBuffer=l.join(",")}catch(e){}},1e3);var t=120<e&&P(e),o=!P(120)&&!P(100)&&!t;return e<50||o}(n)||(1.2<Math.abs(o)&&(o*=p.stepSize/120),1.2<Math.abs(n)&&(n*=p.stepSize/120),S(r,o,n),e.preventDefault(),void C()):!d||!W||(Object.defineProperty(e,"target",{value:window.frameElement}),parent.wheel(e))}function x(e){var t=e.target,o=e.ctrlKey||e.altKey||e.metaKey||e.shiftKey&&e.keyCode!==w.spacebar;document.body.contains(s)||(s=document.activeElement);var n=/^(button|submit|radio|checkbox|file|color|image)$/i;if(e.defaultPrevented||/^(textarea|select|embed|object)$/i.test(t.nodeName)||N(t,"input")&&!n.test(t.type)||N(s,"video")||function(e){var t=e.target,o=!1;if(-1!=document.URL.indexOf("www.youtube.com/watch"))do{if(o=t.classList&&t.classList.contains("html5-video-controls"))break}while(t=t.parentNode);return o}(e)||t.isContentEditable||o)return!0;if((N(t,"button")||N(t,"input")&&n.test(t.type))&&e.keyCode===w.spacebar)return!0;if(N(t,"input")&&"radio"==t.type&&v[e.keyCode])return!0;var r=0,a=0,l=z(s);if(!l)return!d||!W||parent.keydown(e);var i=l.clientHeight
|