12 lines
5.3 KiB
JavaScript
12 lines
5.3 KiB
JavaScript
/* InstantClick 3.0 | (C) 2014 Alexandre Dieulot | http://instantclick.io/license.html */
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var InstantClick=function(e,g){function v(a){var c=a.indexOf("#");return 0>c?a:a.substr(0,c)}function y(a){for(;"A"!=a.nodeName;)a=a.parentNode;return a}function t(a,c){for(var b=0;b<D[a].length;b++)D[a][b](c)}function G(a,c,b,l){e.title=a;e.documentElement.replaceChild(c,e.body);if(b){history.pushState(null,null,b);a=b.indexOf("#");a=-1<a&&e.getElementById(b.substr(a+1));c=0;if(a)for(;a.offsetParent;)c+=a.offsetTop,a=a.offsetParent;scrollTo(0,c);m=v(b)}else scrollTo(0,l);H();z.done();t("change",
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!1)}function I(a){w(y(a.target).href)}function J(a){a=y(a.target);a.addEventListener("mouseout",Q);E?(K=a.href,r=setTimeout(w,E)):w(a.href)}function R(a){a=y(a.target);A?a.removeEventListener("mousedown",I):a.removeEventListener("mouseover",J);w(a.href)}function S(a){1<a.which||a.metaKey||a.ctrlKey||(a.preventDefault(),L(y(a.target).href))}function Q(){r?(clearTimeout(r),r=!1):u&&!h&&(p.abort(),h=u=!1)}function T(){if(!(4>p.readyState)&&0!=p.status){q.ready=+new Date-q.start;t("receive");if(p.getResponseHeader("Content-Type").match(/\/(x|ht|xht)ml/)){var a=
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e.implementation.createHTMLDocument("");a.documentElement.innerHTML=p.responseText;F=a.title;x=a.body;var c=v(s);f[c]={body:x,title:F,scrollY:c in f?f[c].scrollY:0};for(var a=a.head.children,c=0,b,l=a.length-1;0<=l;l--)if(b=a[l],b.hasAttribute("data-instant-track")){b=b.getAttribute("href")||b.getAttribute("src")||b.innerHTML;for(var n=B.length-1;0<=n;n--)B[n]==b&&c++}c!=B.length&&(C=!0)}else C=!0;h&&(h=!1,L(s))}}function H(a){for(var c=e.getElementsByTagName("a"),b,l=g.protocol+"//"+g.host,n=c.length-
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1;0<=n;n--){b=c[n];var d;if(!((d=b.target)||(d=b.hasAttribute("download"))||(d=0!=b.href.indexOf(l+"/"))||(d=-1<b.href.indexOf("#")&&v(b.href)==m)))if(M){a:{d=b;do{if(!d.hasAttribute)break;if(d.hasAttribute("data-no-instant"))break;if(d.hasAttribute("data-instant")){d=!0;break a}}while(d=d.parentNode);d=!1}d=!d}else a:{d=b;do{if(!d.hasAttribute)break;if(d.hasAttribute("data-instant"))break;if(d.hasAttribute("data-no-instant")){d=!0;break a}}while(d=d.parentNode);d=!1}d||(b.addEventListener("touchstart",
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R),A?b.addEventListener("mousedown",I):b.addEventListener("mouseover",J),b.addEventListener("click",S))}if(!a)for(a=e.body.getElementsByTagName("script"),n=0,j=a.length;n<j;n++)c=a[n],c.hasAttribute("data-no-instant")||(b=e.createElement("script"),c.src&&(b.src=c.src),c.innerHTML&&(b.innerHTML=c.innerHTML),l=c.parentNode,d=c.nextSibling,l.removeChild(c),l.insertBefore(b,d))}function w(a){if(A||!("display"in q&&100>+new Date-(q.start+q.display)))if(r&&(clearTimeout(r),r=!1),a||(a=K),!u||a!=s&&!h)u=
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!0,h=!1,s=a,C=x=!1,q={start:+new Date},t("fetch"),p.open("GET",a),p.send()}function L(a){"display"in q||(q.display=+new Date-q.start);r?s&&s!=a?g.href=a:(w(a),z.start(0,!0),t("wait"),h=!0):!u||h?g.href=a:C?g.href=s:x?(f[m].scrollY=pageYOffset,h=u=!1,G(F,x,s)):(z.start(0,!0),t("wait"),h=!0)}var N=navigator.userAgent,O="createTouch"in e,m,K,r,f={},p,s=!1,F=!1,C=!1,x=!1,q={},u=!1,h=!1,B=[],M,A,E,D={fetch:[],receive:[],wait:[],change:[]},z=function(){function a(a,d){f=a;e.getElementById(k.id)&&e.body.removeChild(k);
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k.style.opacity="1";e.getElementById(k.id)&&e.body.removeChild(k);l();d&&setTimeout(c,0);clearTimeout(m);m=setTimeout(b,500)}function c(){f=10;l()}function b(){f+=1+2*Math.random();98<=f?f=98:m=setTimeout(b,500);l()}function l(){g.style[h]="translate("+f+"%)";e.getElementById(k.id)||e.body.appendChild(k)}function n(){e.getElementById(k.id)?(clearTimeout(m),f=100,l(),k.style.opacity="0"):(a(100==f?0:f),setTimeout(n,0))}function d(){k.style.left=pageXOffset+"px";k.style.width=innerWidth+"px";k.style.top=
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pageYOffset+"px";var a=innerWidth/screen[90==Math.abs(orientation)?"height":"width"]*2;k.style[h]="scaleY("+a+")"}var k,g,h,f,m;return{init:function(){k=e.createElement("div");k.id="instantclick";g=e.createElement("div");g.id="instantclick-bar";g.className="instantclick-bar";k.appendChild(g);var a=["Webkit","Moz","O"];h="transform";if(!(h in g.style))for(var b=0;3>b;b++)a[b]+"Transform"in g.style&&(h=a[b]+"Transform");var c="transition";if(!(c in g.style))for(b=0;3>b;b++)a[b]+"Transition"in g.style&&
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(c="-"+a[b].toLowerCase()+"-"+c);a=e.createElement("style");a.innerHTML="#instantclick{position:"+(O?"absolute":"fixed")+";top:0;left:0;width:100%;pointer-events:none;z-index:2147483647;"+c+":opacity .25s .1s}.instantclick-bar{background:#29d;width:100%;margin-left:-100%;height:2px;"+c+":all .25s}";e.head.appendChild(a);O&&(d(),addEventListener("resize",d),addEventListener("scroll",d))},start:a,done:n}}(),P="pushState"in history&&(!N.match("Android")||N.match("Chrome/"))&&"file:"!=g.protocol;return{supported:P,
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init:function(){if(!m)if(P){for(var a=arguments.length-1;0<=a;a--){var c=arguments[a];!0===c?M=!0:"mousedown"==c?A=!0:"number"==typeof c&&(E=c)}m=v(g.href);f[m]={body:e.body,title:e.title,scrollY:pageYOffset};for(var c=e.head.children,b,a=c.length-1;0<=a;a--)b=c[a],b.hasAttribute("data-instant-track")&&(b=b.getAttribute("href")||b.getAttribute("src")||b.innerHTML,B.push(b));p=new XMLHttpRequest;p.addEventListener("readystatechange",T);H(!0);z.init();t("change",!0);addEventListener("popstate",function(){var a=
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v(g.href);a!=m&&(a in f?(f[m].scrollY=pageYOffset,m=a,G(f[a].title,f[a].body,!1,f[a].scrollY)):g.href=g.href)})}else t("change",!0)},on:function(a,c){D[a].push(c)}}}(document,location); |