diff -r 000000000000 -r 6474c204b198 accessible/src/generic/RootAccessible.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/accessible/src/generic/RootAccessible.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,88 @@
+/* -*- Mode: C++; 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/. */
+
+#ifndef mozilla_a11y_RootAccessible_h__
+#define mozilla_a11y_RootAccessible_h__
+
+#include "HyperTextAccessible.h"
+#include "DocAccessibleWrap.h"
+
+#include "nsIDOMEventListener.h"
+
+class nsIDocument;
+
+namespace mozilla {
+namespace a11y {
+
+class RootAccessible : public DocAccessibleWrap,
+                       public nsIDOMEventListener
+{
+  NS_DECL_ISUPPORTS_INHERITED
+
+public:
+  RootAccessible(nsIDocument* aDocument, nsIContent* aRootContent,
+                 nsIPresShell* aPresShell);
+  virtual ~RootAccessible();
+
+  // nsIDOMEventListener
+  NS_IMETHOD HandleEvent(nsIDOMEvent* aEvent);
+
+  // Accessible
+  virtual void Shutdown();
+  virtual mozilla::a11y::ENameValueFlag Name(nsString& aName);
+  virtual Relation RelationByType(RelationType aType) MOZ_OVERRIDE;
+  virtual mozilla::a11y::role NativeRole();
+  virtual uint64_t NativeState();
+
+  // RootAccessible
+
+  /**
+   * Notify that the sub document presshell was activated.
+   */
+  virtual void DocumentActivated(DocAccessible* aDocument);
+
+protected:
+
+  /**
+   * Add/remove DOM event listeners.
+   */
+  virtual nsresult AddEventListeners();
+  virtual nsresult RemoveEventListeners();
+
+  /**
+   * Process the DOM event.
+   */
+  void ProcessDOMEvent(nsIDOMEvent* aEvent);
+
+  /**
+   * Process "popupshown" event. Used by HandleEvent().
+   */
+  void HandlePopupShownEvent(Accessible* aAccessible);
+
+  /*
+   * Process "popuphiding" event. Used by HandleEvent().
+   */
+  void HandlePopupHidingEvent(nsINode* aNode);
+
+#ifdef MOZ_XUL
+    void HandleTreeRowCountChangedEvent(nsIDOMEvent* aEvent,
+                                        XULTreeAccessible* aAccessible);
+    void HandleTreeInvalidatedEvent(nsIDOMEvent* aEvent,
+                                    XULTreeAccessible* aAccessible);
+
+    uint32_t GetChromeFlags();
+#endif
+};
+
+inline RootAccessible*
+Accessible::AsRoot()
+{
+  return IsRoot() ? static_cast<mozilla::a11y::RootAccessible*>(this) : nullptr;
+}
+
+} // namespace a11y
+} // namespace mozilla
+
+#endif