1 files changed, 54 insertions, 0 deletions
diff --git a/browser/base/content/newInstall.js b/browser/base/content/newInstall.js
new file mode 100644
index 0000000000..2ec90e3bf1
--- /dev/null
+++ b/browser/base/content/newInstall.js
@@ -0,0 +1,54 @@
+/* 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/. */
+
+const { Services } = ChromeUtils.import(
+  "resource://gre/modules/Services.jsm",
+  {}
+);
+
+function init() {
+  document.querySelector("button").addEventListener("command", () => {
+    window.close();
+  });
+
+  if (navigator.platform == "MacIntel") {
+    hideMenus();
+    window.addEventListener("unload", showMenus);
+  }
+}
+
+let gHidden = [];
+let gCollapsed = [];
+
+function hideItem(id) {
+  let hiddenDoc = Services.appShell.hiddenDOMWindow.document;
+  let element = hiddenDoc.getElementById(id);
+  element.hidden = true;
+  gHidden.push(element);
+}
+
+function collapseItem(id) {
+  let hiddenDoc = Services.appShell.hiddenDOMWindow.document;
+  let element = hiddenDoc.getElementById(id);
+  element.collapsed = true;
+  gCollapsed.push(element);
+}
+
+function hideMenus() {
+  hideItem("macDockMenuNewWindow");
+  hideItem("macDockMenuNewPrivateWindow");
+  collapseItem("aboutName");
+  collapseItem("menu_preferences");
+  collapseItem("menu_mac_services");
+}
+
+function showMenus() {
+  for (let menu of gHidden) {
+    menu.hidden = false;
+  }
+
+  for (let menu of gCollapsed) {
+    menu.collapsed = false;
+  }
+}