1 files changed, 81 insertions, 0 deletions
diff --git a/devtools/client/netmonitor/src/components/request-details/StackTracePanel.js b/devtools/client/netmonitor/src/components/request-details/StackTracePanel.js
new file mode 100644
index 0000000000..6b01ee27b7
--- /dev/null
+++ b/devtools/client/netmonitor/src/components/request-details/StackTracePanel.js
@@ -0,0 +1,81 @@
+/* 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,
+  createFactory,
+} = 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 {
+  fetchNetworkUpdatePacket,
+} = require("resource://devtools/client/netmonitor/src/utils/request-utils.js");
+
+const { div } = dom;
+
+// Components
+const StackTrace = createFactory(
+  require("resource://devtools/client/shared/components/StackTrace.js")
+);
+
+/**
+ * This component represents a side panel responsible for
+ * rendering stack-trace info for selected request.
+ */
+class StackTracePanel extends Component {
+  static get propTypes() {
+    return {
+      connector: PropTypes.object.isRequired,
+      request: PropTypes.object.isRequired,
+      sourceMapURLService: PropTypes.object,
+      openLink: PropTypes.func,
+    };
+  }
+
+  /**
+   * `componentDidMount` is called when opening the StackTracePanel
+   * for the first time
+   */
+  componentDidMount() {
+    const { request, connector } = this.props;
+    if (!request.stacktrace) {
+      fetchNetworkUpdatePacket(connector.requestData, request, ["stackTrace"]);
+    }
+  }
+
+  /**
+   * `componentWillReceiveProps` is the only method called when
+   * switching between two requests while this panel is displayed.
+   */
+  // FIXME: https://bugzilla.mozilla.org/show_bug.cgi?id=1774507
+  UNSAFE_componentWillReceiveProps(nextProps) {
+    const { request, connector } = nextProps;
+    // Only try to fetch the stacktrace if we don't already have the stacktrace yet
+    if (!request.stacktrace) {
+      fetchNetworkUpdatePacket(connector.requestData, request, ["stackTrace"]);
+    }
+  }
+
+  render() {
+    const { connector, openLink, request, sourceMapURLService } = this.props;
+
+    const { stacktrace } = request;
+
+    return div(
+      { className: "panel-container" },
+      StackTrace({
+        stacktrace: stacktrace || [],
+        onViewSourceInDebugger: ({ url, line, column }) => {
+          return connector.viewSourceInDebugger(url, line, column);
+        },
+        sourceMapURLService,
+        openLink,
+      })
+    );
+  }
+}
+
+module.exports = StackTracePanel;