diff -r 000000000000 -r 6474c204b198 accessible/src/generic/BaseAccessibles.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/accessible/src/generic/BaseAccessibles.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,132 @@
+/* -*- 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_BaseAccessibles_h__
+#define mozilla_a11y_BaseAccessibles_h__
+
+#include "AccessibleWrap.h"
+#include "HyperTextAccessibleWrap.h"
+
+class nsIContent;
+
+/**
+  * This file contains a number of classes that are used as base
+  *  classes for the different accessibility implementations of
+  *  the HTML and XUL widget sets.  --jgaunt
+  */
+
+namespace mozilla {
+namespace a11y {
+
+/**
+  * Leaf version of DOM Accessible -- has no children
+  */
+class LeafAccessible : public AccessibleWrap
+{
+public:
+
+  LeafAccessible(nsIContent* aContent, DocAccessible* aDoc);
+
+  // nsISupports
+  NS_DECL_ISUPPORTS_INHERITED
+
+  // Accessible
+  virtual Accessible* ChildAtPoint(int32_t aX, int32_t aY,
+                                   EWhichChildAtPoint aWhichChild);
+  virtual bool InsertChildAt(uint32_t aIndex, Accessible* aChild) MOZ_OVERRIDE MOZ_FINAL;
+  virtual bool RemoveChild(Accessible* aChild) MOZ_OVERRIDE MOZ_FINAL;
+
+protected:
+
+  // Accessible
+  virtual void CacheChildren();
+};
+
+/**
+ * Used for text or image accessible nodes contained by link accessibles or
+ * accessibles for nodes with registered click event handler. It knows how to
+ * report the state of the host link (traveled or not) and can activate (click)
+ * the host accessible programmatically.
+ */
+class LinkableAccessible : public AccessibleWrap
+{
+public:
+  enum { eAction_Jump = 0 };
+
+  LinkableAccessible(nsIContent* aContent, DocAccessible* aDoc);
+
+  NS_DECL_ISUPPORTS_INHERITED
+
+  // nsIAccessible
+  NS_IMETHOD GetActionName(uint8_t aIndex, nsAString& aName);
+  NS_IMETHOD DoAction(uint8_t index);
+  NS_IMETHOD TakeFocus();
+
+  // Accessible
+  virtual void Shutdown();
+  virtual void Value(nsString& aValue);
+  virtual uint64_t NativeLinkState() const;
+
+  // ActionAccessible
+  virtual uint8_t ActionCount();
+  virtual KeyBinding AccessKey() const;
+
+  // HyperLinkAccessible
+  virtual already_AddRefed<nsIURI> AnchorURIAt(uint32_t aAnchorIndex);
+
+protected:
+  // Accessible
+  virtual void BindToParent(Accessible* aParent, uint32_t aIndexInParent);
+  virtual void UnbindFromParent();
+
+  /**
+   * Parent accessible that provides an action for this linkable accessible.
+   */
+  Accessible* mActionAcc;
+  bool mIsLink;
+  bool mIsOnclick;
+};
+
+/**
+ * A simple accessible that gets its enumerated role passed into constructor.
+ */
+class EnumRoleAccessible : public AccessibleWrap
+{
+public:
+  EnumRoleAccessible(nsIContent* aContent, DocAccessible* aDoc, 
+                     a11y::role aRole);
+  virtual ~EnumRoleAccessible() { }
+
+  NS_DECL_ISUPPORTS_INHERITED
+
+  // Accessible
+  virtual a11y::role NativeRole();
+
+protected:
+  a11y::role mRole;
+};
+
+
+/**
+ * A wrapper accessible around native accessible to connect it with
+ * crossplatform accessible tree.
+ */
+class DummyAccessible : public AccessibleWrap
+{
+public:
+  DummyAccessible() : AccessibleWrap(nullptr, nullptr) { }
+  virtual ~DummyAccessible() { }
+
+  virtual uint64_t NativeState() MOZ_OVERRIDE MOZ_FINAL;
+  virtual uint64_t NativeInteractiveState() const MOZ_OVERRIDE MOZ_FINAL;
+  virtual uint64_t NativeLinkState() const MOZ_OVERRIDE MOZ_FINAL;
+  virtual bool NativelyUnavailable() const MOZ_OVERRIDE MOZ_FINAL;
+  virtual void ApplyARIAState(uint64_t* aState) const MOZ_OVERRIDE MOZ_FINAL;
+};
+
+} // namespace a11y
+} // namespace mozilla
+
+#endif