1 files changed, 42 insertions, 0 deletions
diff --git a/testing/specialpowers/content/SpecialPowersEventUtils.jsm b/testing/specialpowers/content/SpecialPowersEventUtils.jsm
new file mode 100644
index 0000000000..e1557d509d
--- /dev/null
+++ b/testing/specialpowers/content/SpecialPowersEventUtils.jsm
@@ -0,0 +1,42 @@
+/* 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";
+
+var EXPORTED_SYMBOLS = ["EventUtils"];
+
+/**
+ * Loads a stub copy of EventUtils.js which can be used by things like
+ * content tasks without holding any direct references to windows.
+ */
+
+const { Services } = ChromeUtils.import("resource://gre/modules/Services.jsm");
+
+let EventUtils = {};
+
+EventUtils.window = {};
+EventUtils.parent = EventUtils.window;
+EventUtils._EU_Ci = Ci;
+EventUtils._EU_Cc = Cc;
+
+EventUtils.synthesizeClick = element =>
+  new Promise(resolve => {
+    element.addEventListener("click", () => resolve(), { once: true });
+
+    EventUtils.synthesizeMouseAtCenter(
+      element,
+      { type: "mousedown", isSynthesized: false },
+      element.ownerGlobal
+    );
+    EventUtils.synthesizeMouseAtCenter(
+      element,
+      { type: "mouseup", isSynthesized: false },
+      element.ownerGlobal
+    );
+  });
+
+Services.scriptloader.loadSubScript(
+  "chrome://mochikit/content/tests/SimpleTest/EventUtils.js",
+  EventUtils
+);