1 files changed, 69 insertions, 0 deletions
diff --git a/devtools/client/netmonitor/components/toggle-button.js b/devtools/client/netmonitor/components/toggle-button.js
new file mode 100644
index 000000000..db546c55d
--- /dev/null
+++ b/devtools/client/netmonitor/components/toggle-button.js
@@ -0,0 +1,69 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* vim: set ft=javascript ts=2 et sw=2 tw=80: */
+/* 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/. */
+/* globals NetMonitorView */
+"use strict";
+
+const { DOM, PropTypes } = require("devtools/client/shared/vendor/react");
+const { connect } = require("devtools/client/shared/vendor/react-redux");
+const { L10N } = require("../l10n");
+const Actions = require("../actions/index");
+
+// Shortcuts
+const { button } = DOM;
+
+/**
+ * Button used to toggle sidebar
+ */
+function ToggleButton({
+  disabled,
+  onToggle,
+  visible,
+}) {
+  let className = ["devtools-button"];
+  if (!visible) {
+    className.push("pane-collapsed");
+  }
+  let titleMsg = visible ? L10N.getStr("collapseDetailsPane") :
+                           L10N.getStr("expandDetailsPane");
+
+  return button({
+    id: "details-pane-toggle",
+    className: className.join(" "),
+    title: titleMsg,
+    disabled: disabled,
+    tabIndex: "0",
+    onMouseDown: onToggle,
+  });
+}
+
+ToggleButton.propTypes = {
+  disabled: PropTypes.bool.isRequired,
+  onToggle: PropTypes.func.isRequired,
+  visible: PropTypes.bool.isRequired,
+};
+
+module.exports = connect(
+  (state) => ({
+    disabled: state.sidebar.toggleButtonDisabled,
+    visible: state.sidebar.visible,
+  }),
+  (dispatch) => ({
+    onToggle: () => {
+      dispatch(Actions.toggleSidebar());
+
+      let requestsMenu = NetMonitorView.RequestsMenu;
+      let selectedIndex = requestsMenu.selectedIndex;
+
+      // Make sure there's a selection if the button is pressed, to avoid
+      // showing an empty network details pane.
+      if (selectedIndex == -1 && requestsMenu.itemCount) {
+        requestsMenu.selectedIndex = 0;
+      } else {
+        requestsMenu.selectedIndex = -1;
+      }
+    },
+  })
+)(ToggleButton);