1 files changed, 74 insertions, 0 deletions
diff --git a/comm/mail/base/content/troubleshootMode.js b/comm/mail/base/content/troubleshootMode.js
new file mode 100644
index 0000000000..79343f3004
--- /dev/null
+++ b/comm/mail/base/content/troubleshootMode.js
@@ -0,0 +1,74 @@
+/* -*- Mode: JavaScript; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* 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/. */
+
+var { XPIDatabase } = ChromeUtils.import(
+  "resource://gre/modules/addons/XPIDatabase.jsm"
+);
+
+function restartApp() {
+  Services.startup.quit(
+    Services.startup.eForceQuit | Services.startup.eRestart
+  );
+}
+
+function deleteLocalstore() {
+  // Delete the xulstore file.
+  let xulstoreFile = Services.dirsvc.get("ProfD", Ci.nsIFile);
+  xulstoreFile.append("xulstore.json");
+  if (xulstoreFile.exists()) {
+    xulstoreFile.remove(false);
+  }
+}
+
+async function disableAddons() {
+  XPIDatabase.syncLoadDB(false);
+  let addons = XPIDatabase.getAddons();
+  for (let addon of addons) {
+    if (addon.type == "theme") {
+      // Setting userDisabled to false on the default theme activates it,
+      // disables all other themes and deactivates the applied persona, if
+      // any.
+      const DEFAULT_THEME_ID = "default-theme@mozilla.org";
+      if (addon.id == DEFAULT_THEME_ID) {
+        await XPIDatabase.updateAddonDisabledState(addon, {
+          userDisabled: false,
+        });
+      }
+    } else {
+      await XPIDatabase.updateAddonDisabledState(addon, { userDisabled: true });
+    }
+  }
+}
+
+async function onOK(event) {
+  event.preventDefault();
+  if (document.getElementById("resetToolbars").checked) {
+    deleteLocalstore();
+  }
+  if (document.getElementById("disableAddons").checked) {
+    await disableAddons();
+  }
+  restartApp();
+}
+
+function onCancel() {
+  Services.startup.quit(Services.startup.eForceQuit);
+}
+
+function onLoad() {
+  document
+    .getElementById("tasks")
+    .addEventListener("CheckboxStateChange", updateOKButtonState);
+
+  document.addEventListener("dialogaccept", onOK);
+  document.addEventListener("dialogcancel", onCancel);
+  document.addEventListener("dialogextra1", () => window.close());
+}
+
+function updateOKButtonState() {
+  document.querySelector("dialog").getButton("accept").disabled =
+    !document.getElementById("resetToolbars").checked &&
+    !document.getElementById("disableAddons").checked;
+}