102 lines
3.2 KiB
JavaScript
102 lines
3.2 KiB
JavaScript
function I(i){return document.getElementById(i);}
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//INITIALIZE SPEEDTEST
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var s=new Speedtest(); //create speedtest object
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var meterBk=/Trident.*rv:(\d+\.\d+)/i.test(navigator.userAgent)?"#EAEAEA":"#80808040";
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var dlColor="#6060AA",
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ulColor="#616161";
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var progColor=meterBk;
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//CODE FOR GAUGES
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function drawMeter(c,amount,bk,fg,progress,prog){
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var ctx=c.getContext("2d");
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var dp=window.devicePixelRatio||1;
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var cw=c.clientWidth*dp, ch=c.clientHeight*dp;
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var sizScale=ch*0.0055;
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if(c.width==cw&&c.height==ch){
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ctx.clearRect(0,0,cw,ch);
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}else{
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c.width=cw;
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c.height=ch;
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}
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ctx.beginPath();
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ctx.strokeStyle=bk;
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ctx.lineWidth=12*sizScale;
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ctx.arc(c.width/2,c.height-58*sizScale,c.height/1.8-ctx.lineWidth,-Math.PI*1.1,Math.PI*0.1);
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ctx.stroke();
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ctx.beginPath();
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ctx.strokeStyle=fg;
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ctx.lineWidth=12*sizScale;
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ctx.arc(c.width/2,c.height-58*sizScale,c.height/1.8-ctx.lineWidth,-Math.PI*1.1,amount*Math.PI*1.2-Math.PI*1.1);
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ctx.stroke();
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if(typeof progress !== "undefined"){
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ctx.fillStyle=prog;
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ctx.fillRect(c.width*0.3,c.height-16*sizScale,c.width*0.4*progress,4*sizScale);
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}
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}
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function mbpsToAmount(s){
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return 1-(1/(Math.pow(1.3,Math.sqrt(s))));
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}
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function format(d){
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d=Number(d);
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if(d<10) return d.toFixed(2);
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if(d<100) return d.toFixed(1);
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return d.toFixed(0);
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}
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//UI CODE
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var uiData=null;
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function startStop(){
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if(s.getState()==3){
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//speedtest is running, abort
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s.abort();
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data=null;
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I("startStopBtn").className="";
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initUI();
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}else{
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//test is not running, begin
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I("startStopBtn").className="running";
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s.onupdate=function(data){
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uiData=data;
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};
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s.onend=function(aborted){
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I("startStopBtn").className="";
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updateUI(true);
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};
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s.start();
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}
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}
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//this function reads the data sent back by the test and updates the UI
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function updateUI(forced){
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if(!forced&&s.getState()!=3) return;
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if(uiData==null) return;
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var status=uiData.testState;
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I("ip").textContent=uiData.clientIp;
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I("dlText").textContent=(status==1&&uiData.dlStatus==0)?"...":format(uiData.dlStatus);
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drawMeter(I("dlMeter"),mbpsToAmount(Number(uiData.dlStatus*(status==1?oscillate():1))),meterBk,dlColor,Number(uiData.dlProgress),progColor);
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I("ulText").textContent=(status==3&&uiData.ulStatus==0)?"...":format(uiData.ulStatus);
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drawMeter(I("ulMeter"),mbpsToAmount(Number(uiData.ulStatus*(status==3?oscillate():1))),meterBk,ulColor,Number(uiData.ulProgress),progColor);
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I("pingText").textContent=format(uiData.pingStatus);
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I("jitText").textContent=format(uiData.jitterStatus);
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}
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function oscillate(){
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return 1+0.02*Math.sin(Date.now()/100);
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}
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//update the UI every frame
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window.requestAnimationFrame=window.requestAnimationFrame||window.webkitRequestAnimationFrame||window.mozRequestAnimationFrame||window.msRequestAnimationFrame||(function(callback,element){setTimeout(callback,1000/60);});
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function frame(){
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requestAnimationFrame(frame);
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updateUI();
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}
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frame(); //start frame loop
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//function to (re)initialize UI
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function initUI(){
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drawMeter(I("dlMeter"),0,meterBk,dlColor,0);
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drawMeter(I("ulMeter"),0,meterBk,ulColor,0);
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I("dlText").textContent="";
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I("ulText").textContent="";
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I("pingText").textContent="";
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I("jitText").textContent="";
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I("ip").textContent="";
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}
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