1
|
!function(){var a={},b=null,c=null,d=null,e=null,f={},g={color:"#ff0084",background:"#bbb",shadow:"#fff",fallback:!1},h=window.devicePixelRatio>1,i=function(){var a=navigator.userAgent.toLowerCase();return function(b){return-1!==a.indexOf(b)}}(),j={ie:i("msie"),chrome:i("chrome"),webkit:i("chrome")||i("safari"),safari:i("safari")&&!i("chrome"),mozilla:i("mozilla")&&!i("chrome")&&!i("safari")},k=function(){for(var a=document.getElementsByTagName("link"),b=0,c=a.length;c>b;b++)if("icon"===a[b].getAttribute("rel")||"shortcut icon"===a[b].getAttribute("rel"))return a[b];return!1},l=function(){for(var a=document.getElementsByTagName("link"),b=document.getElementsByTagName("head")[0],c=0,d=a.length;d>c;c++)("icon"===a[c].getAttribute("rel")||"shortcut icon"===a[c].getAttribute("rel"))&&b.removeChild(a[c])},m=function(a){l();var b=document.createElement("link");b.type="image/x-icon",b.rel="icon",b.href=a,document.getElementsByTagName("head")[0].appendChild(b)},n=function(){return e||(e=document.createElement("canvas"),h?(e.width=32,e.height=32):(e.width=16,e.height=16)),e},o=function(a){var b=n(),c=b.getContext("2d");a=a||0,c&&(c.clearRect(0,0,b.width,b.height),c.beginPath(),c.moveTo(b.width/2,b.height/2),c.arc(b.width/2,b.height/2,Math.min(b.width/2,b.height/2),0,2*Math.PI,!1),c.fillStyle=f.shadow,c.fill(),c.beginPath(),c.moveTo(b.width/2,b.height/2),c.arc(b.width/2,b.height/2,Math.min(b.width/2,b.height/2)-2,0,2*Math.PI,!1),c.fillStyle=f.background,c.fill(),a>0&&(c.beginPath(),c.moveTo(b.width/2,b.height/2),c.arc(b.width/2,b.height/2,Math.min(b.width/2,b.height/2)-2,-.5*Math.PI,(-.5+2*a/100)*Math.PI,!1),c.lineTo(b.width/2,b.height/2),c.fillStyle=f.color,c.fill()),m(b.toDataURL()))},p=function(a){document.title=a>0?"("+a+"%) "+d:d};a.setOptions=function(a){f={};for(var b in g)f[b]=a.hasOwnProperty(b)?a[b]:g[b];return this},a.setProgress=function(a){if(d||(d=document.title),!c||!b){var e=k();c=b=e?e.getAttribute("href"):"/favicon.ico"}return!isNaN(parseFloat(a))&&isFinite(a)?!n().getContext||j.ie||j.safari||f.fallback===!0?p(a):("force"===f.fallback&&p(a),o(a)):!1},a.reset=function(){d&&(document.title=d),c&&(b=c,m(b))},a.setOptions(g),window.Piecon=a}();
|