diff -r 000000000000 -r 6474c204b198 mobile/android/base/TouchEventInterceptor.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mobile/android/base/TouchEventInterceptor.java	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,14 @@
+/* -*- Mode: Java; c-basic-offset: 4; tab-width: 20; indent-tabs-mode: nil; -*-
+ * 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/. */
+
+package org.mozilla.gecko;
+
+import android.view.MotionEvent;
+import android.view.View;
+
+public interface TouchEventInterceptor extends View.OnTouchListener {
+    /** Override this method for a chance to consume events before the view or its children */
+    public boolean onInterceptTouchEvent(View view, MotionEvent event);
+}