diff -r 000000000000 -r 6474c204b198 dom/events/XULCommandEvent.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dom/events/XULCommandEvent.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,72 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim:set ts=2 sw=2 sts=2 et cindent: */
+/* 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/. */
+
+// This class implements a XUL "command" event.  See nsIDOMXULCommandEvent.idl
+
+#ifndef mozilla_dom_XULCommandEvent_h_
+#define mozilla_dom_XULCommandEvent_h_
+
+#include "mozilla/dom/UIEvent.h"
+#include "mozilla/dom/XULCommandEventBinding.h"
+#include "nsIDOMXULCommandEvent.h"
+
+namespace mozilla {
+namespace dom {
+
+class XULCommandEvent : public UIEvent,
+                        public nsIDOMXULCommandEvent
+{
+public:
+  XULCommandEvent(EventTarget* aOwner,
+                  nsPresContext* aPresContext,
+                  WidgetInputEvent* aEvent);
+
+  NS_DECL_ISUPPORTS_INHERITED
+  NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(XULCommandEvent, UIEvent)
+  NS_DECL_NSIDOMXULCOMMANDEVENT
+
+  // Forward our inherited virtual methods to the base class
+  NS_FORWARD_TO_UIEVENT
+
+  virtual JSObject* WrapObject(JSContext* aCx) MOZ_OVERRIDE
+  {
+    return XULCommandEventBinding::Wrap(aCx, this);
+  }
+
+  bool AltKey();
+  bool CtrlKey();
+  bool ShiftKey();
+  bool MetaKey();
+
+  already_AddRefed<Event> GetSourceEvent()
+  {
+    nsRefPtr<Event> e =
+      mSourceEvent ? mSourceEvent->InternalDOMEvent() : nullptr;
+    return e.forget();
+  }
+
+  void InitCommandEvent(const nsAString& aType,
+                        bool aCanBubble, bool aCancelable,
+                        nsIDOMWindow* aView,
+                        int32_t aDetail,
+                        bool aCtrlKey, bool aAltKey,
+                        bool aShiftKey, bool aMetaKey,
+                        Event* aSourceEvent,
+                        ErrorResult& aRv)
+  {
+    aRv = InitCommandEvent(aType, aCanBubble, aCancelable, aView, aDetail,
+                           aCtrlKey, aAltKey, aShiftKey, aMetaKey,
+                           aSourceEvent);
+  }
+
+protected:
+  nsCOMPtr<nsIDOMEvent> mSourceEvent;
+};
+
+} // namespace dom
+} // namespace mozilla
+
+#endif // mozilla_dom_XULCommandEvent_h_