diff -r 000000000000 -r 6474c204b198 dom/interfaces/events/nsIDOMMouseEvent.idl
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dom/interfaces/events/nsIDOMMouseEvent.idl	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,86 @@
+/* -*- Mode: IDL; 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/. */
+
+#include "nsIDOMUIEvent.idl"
+
+/**
+ * The nsIDOMMouseEvent interface is the datatype for all mouse events
+ * in the Document Object Model.
+ *
+ * For more information on this interface please see
+ * http://www.w3.org/TR/DOM-Level-2-Events/
+ */
+
+[scriptable, builtinclass, uuid(df068636-9a5b-11e3-b71f-2c27d728e7f9)]
+interface nsIDOMMouseEvent : nsIDOMUIEvent
+{
+  readonly attribute long               screenX;
+  readonly attribute long               screenY;
+
+  readonly attribute long               mozMovementX;
+  readonly attribute long               mozMovementY;
+
+  readonly attribute long               clientX;
+  readonly attribute long               clientY;
+
+  readonly attribute boolean            ctrlKey;
+  readonly attribute boolean            shiftKey;
+  readonly attribute boolean            altKey;
+  readonly attribute boolean            metaKey;
+
+  readonly attribute short              button;
+  readonly attribute unsigned short     buttons;
+  readonly attribute nsIDOMEventTarget  relatedTarget;
+
+  void                      initMouseEvent(in DOMString typeArg,
+                                           in boolean canBubbleArg,
+                                           in boolean cancelableArg,
+                                           in nsIDOMWindow viewArg,
+                                           in long detailArg,
+                                           in long screenXArg,
+                                           in long screenYArg,
+                                           in long clientXArg,
+                                           in long clientYArg,
+                                           in boolean ctrlKeyArg,
+                                           in boolean altKeyArg,
+                                           in boolean shiftKeyArg,
+                                           in boolean metaKeyArg,
+                                           in unsigned short buttonArg,
+                                           in nsIDOMEventTarget relatedTargetArg);
+
+  // Finger or touch pressure event value
+  // ranges between 0.0 and 1.0
+  readonly attribute float mozPressure;
+
+  const unsigned short    MOZ_SOURCE_UNKNOWN    = 0;
+  const unsigned short    MOZ_SOURCE_MOUSE      = 1;
+  const unsigned short    MOZ_SOURCE_PEN        = 2;
+  const unsigned short    MOZ_SOURCE_ERASER     = 3;
+  const unsigned short    MOZ_SOURCE_CURSOR     = 4;
+  const unsigned short    MOZ_SOURCE_TOUCH      = 5;
+  const unsigned short    MOZ_SOURCE_KEYBOARD   = 6;
+
+  readonly attribute unsigned short mozInputSource;
+
+  void                initNSMouseEvent(in DOMString typeArg,
+                                       in boolean canBubbleArg,
+                                       in boolean cancelableArg,
+                                       in nsIDOMWindow viewArg,
+                                       in long detailArg,
+                                       in long screenXArg,
+                                       in long screenYArg,
+                                       in long clientXArg,
+                                       in long clientYArg,
+                                       in boolean ctrlKeyArg,
+                                       in boolean altKeyArg,
+                                       in boolean shiftKeyArg,
+                                       in boolean metaKeyArg,
+                                       in unsigned short buttonArg,
+                                       in nsIDOMEventTarget relatedTargetArg,
+                                       in float pressure,
+                                       in unsigned short inputSourceArg);
+
+  bool getModifierState(in DOMString keyArg);
+};