accessible/html/HTMLLinkAccessible.h
author Kris Maglione <maglione.k@gmail.com>
Fri, 02 Nov 2018 18:05:14 -0700
changeset 500743 cad4c41bf7fefbc2f2142ce9d57c7b0a0ee8c4a8
parent 472831 1c7fc1a1c68314f568ed25f35f885e901d17083a
child 505383 6f3709b3878117466168c40affa7bca0b60cf75b
permissions -rw-r--r--
Bug 1482091: Follow-up: Whitelist errors in yet another fullscreen test. r=bustage

/* -*- 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_HTMLLinkAccessible_h__
#define mozilla_a11y_HTMLLinkAccessible_h__

#include "HyperTextAccessibleWrap.h"

namespace mozilla {
namespace a11y {

class HTMLLinkAccessible : public HyperTextAccessibleWrap
{
public:
  HTMLLinkAccessible(nsIContent* aContent, DocAccessible* aDoc);

  NS_INLINE_DECL_REFCOUNTING_INHERITED(HTMLLinkAccessible,
                                       HyperTextAccessibleWrap)

  // Accessible
  virtual void Value(nsString& aValue) const override;
  virtual a11y::role NativeRole() const override;
  virtual uint64_t NativeState() const override;
  virtual uint64_t NativeLinkState() const override;
  virtual uint64_t NativeInteractiveState() const override;

  // ActionAccessible
  virtual uint8_t ActionCount() const override;
  virtual void ActionNameAt(uint8_t aIndex, nsAString& aName) override;
  virtual bool DoAction(uint8_t aIndex) const override;

  // HyperLinkAccessible
  virtual bool IsLink() const override;
  virtual already_AddRefed<nsIURI> AnchorURIAt(uint32_t aAnchorIndex) const override;

protected:
  virtual ~HTMLLinkAccessible() {}

  enum { eAction_Jump = 0 };

  /**
   * Returns true if the link has href attribute.
   */
  bool IsLinked() const;
};

} // namespace a11y
} // namespace mozilla

#endif