diff -r 000000000000 -r 6474c204b198 accessible/src/generic/ApplicationAccessible.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/accessible/src/generic/ApplicationAccessible.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,98 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim:expandtab:shiftwidth=2:tabstop=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_ApplicationAccessible_h__
+#define mozilla_a11y_ApplicationAccessible_h__
+
+#include "AccessibleWrap.h"
+#include "nsIAccessibleApplication.h"
+
+#include "nsIMutableArray.h"
+#include "nsIXULAppInfo.h"
+
+namespace mozilla {
+namespace a11y {
+
+/**
+ * ApplicationAccessible is for the whole application of Mozilla.
+ * Only one instance of ApplicationAccessible exists for one Mozilla instance.
+ * And this one should be created when Mozilla Startup (if accessibility
+ * feature has been enabled) and destroyed when Mozilla Shutdown.
+ *
+ * All the accessibility objects for toplevel windows are direct children of
+ * the ApplicationAccessible instance.
+ */
+
+class ApplicationAccessible : public AccessibleWrap,
+                              public nsIAccessibleApplication
+{
+public:
+
+  ApplicationAccessible();
+
+  // nsISupports
+  NS_DECL_ISUPPORTS_INHERITED
+
+  // nsIAccessible
+  NS_IMETHOD GetRootDocument(nsIAccessibleDocument** aRootDocument);
+  NS_IMETHOD ScrollTo(uint32_t aScrollType);
+  NS_IMETHOD ScrollToPoint(uint32_t aCoordinateType, int32_t aX, int32_t aY);
+  NS_IMETHOD GetLanguage(nsAString& aLanguage);
+  NS_IMETHOD GetParent(nsIAccessible **aParent);
+  NS_IMETHOD GetNextSibling(nsIAccessible **aNextSibling);
+  NS_IMETHOD GetPreviousSibling(nsIAccessible **aPreviousSibling);
+  NS_IMETHOD GetBounds(int32_t *aX, int32_t *aY,
+                       int32_t *aWidth, int32_t *aHeight);
+  NS_IMETHOD SetSelected(bool aIsSelected);
+  NS_IMETHOD TakeSelection();
+  NS_IMETHOD TakeFocus();
+  NS_IMETHOD GetActionName(uint8_t aIndex, nsAString &aName);
+  NS_IMETHOD GetActionDescription(uint8_t aIndex, nsAString &aDescription);
+  NS_IMETHOD DoAction(uint8_t aIndex);
+
+  // nsIAccessibleApplication
+  NS_DECL_NSIACCESSIBLEAPPLICATION
+
+  // Accessible
+  virtual void Shutdown();
+  virtual already_AddRefed<nsIPersistentProperties> NativeAttributes() MOZ_OVERRIDE;
+  virtual GroupPos GroupPosition();
+  virtual ENameValueFlag Name(nsString& aName);
+  virtual void ApplyARIAState(uint64_t* aState) const;
+  virtual void Description(nsString& aDescription);
+  virtual void Value(nsString& aValue);
+  virtual mozilla::a11y::role NativeRole();
+  virtual uint64_t State();
+  virtual uint64_t NativeState();
+  virtual Relation RelationByType(RelationType aType) MOZ_OVERRIDE;
+
+  virtual Accessible* ChildAtPoint(int32_t aX, int32_t aY,
+                                   EWhichChildAtPoint aWhichChild);
+  virtual Accessible* FocusedChild();
+
+  virtual void InvalidateChildren();
+
+  // ActionAccessible
+  virtual uint8_t ActionCount();
+  virtual KeyBinding AccessKey() const;
+
+protected:
+
+  // Accessible
+  virtual void CacheChildren();
+  virtual Accessible* GetSiblingAtOffset(int32_t aOffset,
+                                         nsresult *aError = nullptr) const;
+
+private:
+  nsCOMPtr<nsIXULAppInfo> mAppInfo;
+};
+
+} // namespace a11y
+} // namespace mozilla
+
+#endif
+