2 * Copyright (C) 2010 Google Inc. All rights reserved.
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are
8 * * Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * * Redistributions in binary form must reproduce the above
11 * copyright notice, this list of conditions and the following disclaimer
12 * in the documentation and/or other materials provided with the
14 * * Neither the name of Google Inc. nor the names of its
15 * contributors may be used to endorse or promote products derived from
16 * this software without specific prior written permission.
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
33 * @extends {WebInspector.View}
34 * @param {!WebInspector.NetworkRequest} request
36 WebInspector.RequestTimingView = function(request)
38 WebInspector.View.call(this);
39 this.element.classList.add("resource-timing-view");
41 this._request = request;
44 WebInspector.RequestTimingView.prototype = {
47 this._request.addEventListener(WebInspector.NetworkRequest.Events.TimingChanged, this._refresh, this);
48 this._request.addEventListener(WebInspector.NetworkRequest.Events.FinishedLoading, this._refresh, this);
50 if (!this._request.timing) {
51 if (!this._emptyView) {
52 this._emptyView = new WebInspector.EmptyView(WebInspector.UIString("This request has no detailed timing info."));
53 this._emptyView.show(this.element);
54 this.innerView = this._emptyView;
59 if (this._emptyView) {
60 this._emptyView.detach();
61 delete this._emptyView;
69 this._request.removeEventListener(WebInspector.NetworkRequest.Events.TimingChanged, this._refresh, this);
70 this._request.removeEventListener(WebInspector.NetworkRequest.Events.FinishedLoading, this._refresh, this);
75 if (this._tableElement)
76 this._tableElement.remove();
78 this._tableElement = WebInspector.RequestTimingView.createTimingTable(this._request);
79 this.element.appendChild(this._tableElement);
82 __proto__: WebInspector.View.prototype
86 WebInspector.RequestTimingView.createTimingTable = function(request)
88 var tableElement = document.createElement("table");
89 tableElement.className = "network-timing-table";
92 function addRow(title, className, start, end)
96 row.className = className;
102 function firstPositive(numbers)
104 for (var i = 0; i < numbers.length; ++i) {
111 var timing = request.timing;
112 var blocking = firstPositive([timing.dnsStart, timing.connectStart, timing.sendStart]);
113 var endTime = firstPositive([request.endTime, request.responseReceivedTime, timing.requestTime]);
114 var total = (endTime - timing.requestTime) * 1000;
117 addRow(WebInspector.UIString("Blocking"), "blocking", 0, blocking);
119 if (timing.proxyStart !== -1)
120 addRow(WebInspector.UIString("Proxy"), "proxy", timing.proxyStart, timing.proxyEnd);
122 if (timing.dnsStart !== -1)
123 addRow(WebInspector.UIString("DNS Lookup"), "dns", timing.dnsStart, timing.dnsEnd);
125 if (timing.connectStart !== -1)
126 addRow(WebInspector.UIString("Connecting"), "connecting", timing.connectStart, timing.connectEnd);
128 if (timing.sslStart !== -1)
129 addRow(WebInspector.UIString("SSL"), "ssl", timing.sslStart, timing.sslEnd);
131 addRow(WebInspector.UIString("Sending"), "sending", timing.sendStart, timing.sendEnd);
132 addRow(WebInspector.UIString("Waiting"), "waiting", timing.sendEnd, timing.receiveHeadersEnd);
134 if (request.endTime !== -1)
135 addRow(WebInspector.UIString("Receiving"), "receiving", (request.responseReceivedTime - timing.requestTime) * 1000, total);
137 const chartWidth = 200;
138 var scale = chartWidth / total;
140 for (var i = 0; i < rows.length; ++i) {
141 var tr = document.createElement("tr");
142 tableElement.appendChild(tr);
144 var td = document.createElement("td");
145 td.textContent = rows[i].title;
148 td = document.createElement("td");
149 td.width = chartWidth + "px";
151 var row = document.createElement("div");
152 row.className = "network-timing-row";
155 var bar = document.createElement("span");
156 bar.className = "network-timing-bar " + rows[i].className;
157 bar.style.left = Math.floor(scale * rows[i].start) + "px";
158 bar.style.right = Math.floor(scale * (total - rows[i].end)) + "px";
159 bar.style.backgroundColor = rows[i].color;
160 bar.textContent = "\u200B"; // Important for 0-time items to have 0 width.
161 row.appendChild(bar);
163 var title = document.createElement("span");
164 title.className = "network-timing-bar-title";
165 if (total - rows[i].end < rows[i].start)
166 title.style.right = (scale * (total - rows[i].end) + 3) + "px";
168 title.style.left = (scale * rows[i].start + 3) + "px";
169 title.textContent = Number.secondsToString((rows[i].end - rows[i].start) / 1000, true);
170 row.appendChild(title);
175 if (!request.finished) {
176 var cell = tableElement.createChild("tr").createChild("td", "caution");
178 cell.createTextChild(WebInspector.UIString("CAUTION: request is not finished yet!"));