ResourceTimingView.js [plain text]
WebInspector.ResourceTimingView = function(resource)
{
WebInspector.View.call(this);
this.element.addStyleClass("resource-timing-view");
this._resource = resource;
resource.addEventListener("timing changed", this._refresh, this);
}
WebInspector.ResourceTimingView.prototype = {
show: function(parentElement)
{
if (!this._resource.timing) {
if (!this._emptyMsgElement) {
this._emptyMsgElement = document.createElement("div");
this._emptyMsgElement.className = "storage-empty-view";
this._emptyMsgElement.textContent = WebInspector.UIString("This request has no detailed timing info.");
this.element.appendChild(this._emptyMsgElement);
}
WebInspector.View.prototype.show.call(this, parentElement);
return;
}
if (this._emptyMsgElement)
this._emptyMsgElement.parentElement.removeChild(this._emptyMsgElement);
this._refresh();
WebInspector.View.prototype.show.call(this, parentElement);
},
_refresh: function()
{
if (this._tableElement)
this._tableElement.parentElement.removeChild(this._tableElement);
this._tableElement = WebInspector.ResourceTimingView.createTimingTable(this._resource);
this.element.appendChild(this._tableElement);
}
}
WebInspector.ResourceTimingView.createTimingTable = function(resource)
{
var tableElement = document.createElement("table");
var rows = [];
function addRow(title, className, start, end, color)
{
var row = {};
row.title = title;
row.className = className;
row.start = start;
row.end = end;
rows.push(row);
}
if (resource.timing.proxyStart !== -1)
addRow(WebInspector.UIString("Proxy"), "proxy", resource.timing.proxyStart, resource.timing.proxyEnd);
if (resource.timing.dnsStart !== -1)
addRow(WebInspector.UIString("DNS Lookup"), "dns", resource.timing.dnsStart, resource.timing.dnsEnd);
if (resource.timing.connectStart !== -1) {
if (resource.connectionReused)
addRow(WebInspector.UIString("Blocking"), "connecting", resource.timing.connectStart, resource.timing.connectEnd);
else {
var connectStart = resource.timing.connectStart;
if (resource.timing.dnsStart !== -1)
connectStart += resource.timing.dnsEnd - resource.timing.dnsStart;
addRow(WebInspector.UIString("Connecting"), "connecting", connectStart, resource.timing.connectEnd);
}
}
if (resource.timing.sslStart !== -1)
addRow(WebInspector.UIString("SSL"), "ssl", resource.timing.sslStart, resource.timing.sslEnd);
var sendStart = resource.timing.sendStart;
if (resource.timing.sslStart !== -1)
sendStart += resource.timing.sslEnd - resource.timing.sslStart;
addRow(WebInspector.UIString("Sending"), "sending", resource.timing.sendStart, resource.timing.sendEnd);
addRow(WebInspector.UIString("Waiting"), "waiting", resource.timing.sendEnd, resource.timing.receiveHeadersEnd);
addRow(WebInspector.UIString("Receiving"), "receiving", (resource.responseReceivedTime - resource.timing.requestTime) * 1000, (resource.endTime - resource.timing.requestTime) * 1000);
const chartWidth = 200;
var total = (resource.endTime - resource.timing.requestTime) * 1000;
var scale = chartWidth / total;
for (var i = 0; i < rows.length; ++i) {
var tr = document.createElement("tr");
tableElement.appendChild(tr);
var td = document.createElement("td");
td.textContent = rows[i].title;
tr.appendChild(td);
td = document.createElement("td");
td.width = chartWidth + "px";
var row = document.createElement("div");
row.className = "network-timing-row";
td.appendChild(row);
var bar = document.createElement("span");
bar.className = "network-timing-bar " + rows[i].className;
bar.style.left = scale * rows[i].start + "px";
bar.style.right = scale * (total - rows[i].end) + "px";
bar.style.backgroundColor = rows[i].color;
bar.textContent = "\u200B"; row.appendChild(bar);
var title = document.createElement("span");
title.className = "network-timing-bar-title";
if (total - rows[i].end < rows[i].start)
title.style.right = (scale * (total - rows[i].end) + 3) + "px";
else
title.style.left = (scale * rows[i].start + 3) + "px";
title.textContent = Number.millisToString(rows[i].end - rows[i].start);
row.appendChild(title);
tr.appendChild(td);
}
return tableElement;
}
WebInspector.ResourceTimingView.prototype.__proto__ = WebInspector.View.prototype;