1 files changed, 38 insertions, 0 deletions
diff --git a/browser/extensions/webcompat/injections/js/bug1605611-maps.google.com-directions-time.js b/browser/extensions/webcompat/injections/js/bug1605611-maps.google.com-directions-time.js
new file mode 100644
index 0000000000..a068e8dcd5
--- /dev/null
+++ b/browser/extensions/webcompat/injections/js/bug1605611-maps.google.com-directions-time.js
@@ -0,0 +1,38 @@
+/* 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";
+
+/**
+ * Bug 1605611 - Cannot change Departure/arrival dates in Google Maps on Android
+ *
+ * This patch re-enables the disabled "Leave now" button.
+ *
+ * See https://bugzilla.mozilla.org/show_bug.cgi?id=1800498 and
+ *     https://bugzilla.mozilla.org/show_bug.cgi?id=1605611 for details.
+ */
+
+const selector =
+  ".ml-directions-searchbox-parent [aria-haspopup=dialog][disabled=true]";
+
+document.addEventListener("DOMContentLoaded", () => {
+  // In case the element appeared before the MutationObserver was activated.
+  for (const elem of document.querySelectorAll(selector)) {
+    elem.disabled = false;
+  }
+  // Start watching for the insertion of the "Leave now" button.
+  const moOptions = {
+    attributeFilter: ["disabled"],
+    attributes: true,
+    subtree: true,
+  };
+  const mo = new MutationObserver(function (records) {
+    for (const { target } of records) {
+      if (target.matches(selector)) {
+        target.disabled = false;
+      }
+    }
+  });
+  mo.observe(document.body, moOptions);
+});