1 files changed, 91 insertions, 0 deletions
diff --git a/devtools/client/netmonitor/src/components/request-list/RequestListColumnTime.js b/devtools/client/netmonitor/src/components/request-list/RequestListColumnTime.js
new file mode 100644
index 0000000000..4ee35d196f
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+++ b/devtools/client/netmonitor/src/components/request-list/RequestListColumnTime.js
@@ -0,0 +1,91 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+"use strict";
+
+const {
+  Component,
+} = require("resource://devtools/client/shared/vendor/react.js");
+const dom = require("resource://devtools/client/shared/vendor/react-dom-factories.js");
+const PropTypes = require("resource://devtools/client/shared/vendor/react-prop-types.js");
+const {
+  getFormattedTime,
+} = require("resource://devtools/client/netmonitor/src/utils/format-utils.js");
+const {
+  fetchNetworkUpdatePacket,
+  getResponseTime,
+  getStartTime,
+  getEndTime,
+} = require("resource://devtools/client/netmonitor/src/utils/request-utils.js");
+
+/**
+ * This component represents a column displaying selected
+ * timing value. There are following possible values this
+ * column can render:
+ * - Start Time
+ * - End Time
+ * - Response Time
+ * - Duration Time
+ * - Latency Time
+ */
+class RequestListColumnTime extends Component {
+  static get propTypes() {
+    return {
+      connector: PropTypes.object.isRequired,
+      firstRequestStartedMs: PropTypes.number.isRequired,
+      item: PropTypes.object.isRequired,
+      type: PropTypes.oneOf(["start", "end", "response", "duration", "latency"])
+        .isRequired,
+    };
+  }
+
+  componentDidMount() {
+    const { item, connector } = this.props;
+    fetchNetworkUpdatePacket(connector.requestData, item, ["eventTimings"]);
+  }
+
+  // FIXME: https://bugzilla.mozilla.org/show_bug.cgi?id=1774507
+  UNSAFE_componentWillReceiveProps(nextProps) {
+    const { item, connector } = nextProps;
+    fetchNetworkUpdatePacket(connector.requestData, item, ["eventTimings"]);
+  }
+
+  shouldComponentUpdate(nextProps) {
+    return this.getTime(this.props) !== this.getTime(nextProps);
+  }
+
+  getTime(props) {
+    const { firstRequestStartedMs, item, type } = props;
+
+    switch (type) {
+      case "start":
+        return getStartTime(item, firstRequestStartedMs);
+      case "end":
+        return getEndTime(item, firstRequestStartedMs);
+      case "response":
+        return getResponseTime(item, firstRequestStartedMs);
+      case "duration":
+        return item.totalTime;
+      case "latency":
+        return item.eventTimings ? item.eventTimings.timings.wait : undefined;
+    }
+
+    return 0;
+  }
+
+  render() {
+    const { type } = this.props;
+    const time = getFormattedTime(this.getTime(this.props));
+
+    return dom.td(
+      {
+        className: "requests-list-column requests-list-" + type + "-time",
+        title: time,
+      },
+      time
+    );
+  }
+}
+
+module.exports = RequestListColumnTime;