1 files changed, 186 insertions, 0 deletions
diff --git a/chromium/third_party/WebKit/Source/devtools/front_end/network/RequestTimingView.js b/chromium/third_party/WebKit/Source/devtools/front_end/network/RequestTimingView.js
new file mode 100644
index 00000000000..b2b491ed6f0
--- /dev/null
+++ b/chromium/third_party/WebKit/Source/devtools/front_end/network/RequestTimingView.js
@@ -0,0 +1,186 @@
+/*
+ * Copyright (C) 2010 Google Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/**
+ * @constructor
+ * @extends {WebInspector.VBox}
+ * @param {!WebInspector.NetworkRequest} request
+ */
+WebInspector.RequestTimingView = function(request)
+{
+    WebInspector.VBox.call(this);
+    this.element.classList.add("resource-timing-view");
+
+    this._request = request;
+}
+
+WebInspector.RequestTimingView.prototype = {
+    wasShown: function()
+    {
+        this._request.addEventListener(WebInspector.NetworkRequest.Events.TimingChanged, this._refresh, this);
+        this._request.addEventListener(WebInspector.NetworkRequest.Events.FinishedLoading, this._refresh, this);
+
+        if (!this._request.timing) {
+            if (!this._emptyView) {
+                this._emptyView = new WebInspector.EmptyView(WebInspector.UIString("This request has no detailed timing info."));
+                this._emptyView.show(this.element);
+                this.innerView = this._emptyView;
+            }
+            return;
+        }
+
+        if (this._emptyView) {
+            this._emptyView.detach();
+            delete this._emptyView;
+        }
+
+        this._refresh();
+    },
+
+    willHide: function()
+    {
+        this._request.removeEventListener(WebInspector.NetworkRequest.Events.TimingChanged, this._refresh, this);
+        this._request.removeEventListener(WebInspector.NetworkRequest.Events.FinishedLoading, this._refresh, this);
+    },
+
+    _refresh: function()
+    {
+        if (this._tableElement)
+            this._tableElement.remove();
+
+        this._tableElement = WebInspector.RequestTimingView.createTimingTable(this._request);
+        this.element.appendChild(this._tableElement);
+    },
+
+    __proto__: WebInspector.VBox.prototype
+}
+
+
+/**
+ * @param {!WebInspector.NetworkRequest} request
+ * @return {!Element}
+ */
+WebInspector.RequestTimingView.createTimingTable = function(request)
+{
+    var tableElement = document.createElement("table");
+    tableElement.className = "network-timing-table";
+    var rows = [];
+
+    function addRow(title, className, start, end)
+    {
+        var row = {};
+        row.title = title;
+        row.className = className;
+        row.start = start;
+        row.end = end;
+        rows.push(row);
+    }
+
+    function firstPositive(numbers)
+    {
+        for (var i = 0; i < numbers.length; ++i) {
+            if (numbers[i] > 0)
+                return numbers[i];
+        }
+        return undefined;
+    }
+
+    var timing = request.timing;
+    var blocking = firstPositive([timing.dnsStart, timing.connectStart, timing.sendStart]);
+    var endTime = firstPositive([request.endTime, request.responseReceivedTime, timing.requestTime]);
+    var total = (endTime - timing.requestTime) * 1000;
+
+    if (blocking > 0)
+        addRow(WebInspector.UIString("Blocking"), "blocking", 0, blocking);
+
+    if (timing.proxyStart !== -1)
+        addRow(WebInspector.UIString("Proxy"), "proxy", timing.proxyStart, timing.proxyEnd);
+
+    if (timing.dnsStart !== -1)
+        addRow(WebInspector.UIString("DNS Lookup"), "dns", timing.dnsStart, timing.dnsEnd);
+
+    if (timing.connectStart !== -1)
+        addRow(WebInspector.UIString("Connecting"), "connecting", timing.connectStart, timing.connectEnd);
+
+    if (timing.sslStart !== -1)
+        addRow(WebInspector.UIString("SSL"), "ssl", timing.sslStart, timing.sslEnd);
+
+    addRow(WebInspector.UIString("Sending"), "sending", timing.sendStart, timing.sendEnd);
+    addRow(WebInspector.UIString("Waiting"), "waiting", timing.sendEnd, timing.receiveHeadersEnd);
+
+    if (request.endTime !== -1)
+        addRow(WebInspector.UIString("Receiving"), "receiving", (request.responseReceivedTime - timing.requestTime) * 1000, total);
+
+    const chartWidth = 200;
+    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 = Math.floor(scale * rows[i].start) + "px";
+        bar.style.right = Math.floor(scale * (total - rows[i].end)) + "px";
+        bar.style.backgroundColor = rows[i].color;
+        bar.textContent = "\u200B"; // Important for 0-time items to have 0 width.
+        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.secondsToString((rows[i].end - rows[i].start) / 1000, true);
+        row.appendChild(title);
+
+        tr.appendChild(td);
+    }
+
+    if (!request.finished) {
+        var cell = tableElement.createChild("tr").createChild("td", "caution");
+        cell.colSpan = 2;
+        cell.createTextChild(WebInspector.UIString("CAUTION: request is not finished yet!"));
+    }
+
+    return tableElement;
+}