accessible/html/HTMLElementAccessibles.h
author Ehsan Akhgari <ehsan@mozilla.com>
Thu, 25 Oct 2018 13:35:24 +0000
changeset 491334 578d395f555ee3d71cacb239f5f84ce897b313cb
parent 491055 be829221e462a24668b46f6d11b00402b9c01cf4
permissions -rw-r--r--
Bug 1501286 - Part 4: Remove the browser.contentblocking.ui.enabled pref from several tests which now set it needlessly r=johannh Depends on D9521 Differential Revision: https://phabricator.services.mozilla.com/D9522

/* -*- 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_HTMLElementAccessibles_h__
#define mozilla_a11y_HTMLElementAccessibles_h__

#include "BaseAccessibles.h"

namespace mozilla {
namespace a11y {

/**
 * Used for HTML hr element.
 */
class HTMLHRAccessible : public LeafAccessible
{
public:

  HTMLHRAccessible(nsIContent* aContent, DocAccessible* aDoc) :
    LeafAccessible(aContent, aDoc) {}

  // Accessible
  virtual a11y::role NativeRole() const override;
};

/**
 * Used for HTML br element.
 */
class HTMLBRAccessible : public LeafAccessible
{
public:
  HTMLBRAccessible(nsIContent* aContent, DocAccessible* aDoc) :
    LeafAccessible(aContent, aDoc)
  {
    mType = eHTMLBRType;
    mGenericTypes |= eText;
  }

  // Accessible
  virtual a11y::role NativeRole() const override;
  virtual uint64_t NativeState() const override;

protected:
  // Accessible
  virtual ENameValueFlag NativeName(nsString& aName) const override;
};

/**
 * Used for HTML label element.
 */
class HTMLLabelAccessible : public HyperTextAccessibleWrap
{
public:

  HTMLLabelAccessible(nsIContent* aContent, DocAccessible* aDoc) :
    HyperTextAccessibleWrap(aContent, aDoc) {}

  NS_INLINE_DECL_REFCOUNTING_INHERITED(HTMLLabelAccessible,
                                       HyperTextAccessibleWrap)

  // Accessible
  virtual Relation RelationByType(RelationType aType) 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;

protected:
  virtual ~HTMLLabelAccessible() {}
  virtual ENameValueFlag NativeName(nsString& aName) const override;
};

/**
 * Used for HTML output element.
 */
class HTMLOutputAccessible : public HyperTextAccessibleWrap
{
public:

  HTMLOutputAccessible(nsIContent* aContent, DocAccessible* aDoc) :
    HyperTextAccessibleWrap(aContent, aDoc) {}

  NS_INLINE_DECL_REFCOUNTING_INHERITED(HTMLOutputAccessible,
                                       HyperTextAccessibleWrap)

  // Accessible
  virtual Relation RelationByType(RelationType aType) const override;

protected:
  virtual ~HTMLOutputAccessible() {}
};

/**
 * Accessible for the HTML summary element.
 */
class HTMLSummaryAccessible : public HyperTextAccessibleWrap
{

public:
  enum { eAction_Click = 0 };

  HTMLSummaryAccessible(nsIContent* aContent, DocAccessible* aDoc);

  // Accessible
  virtual uint64_t NativeState() 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;

  // Widgets
  virtual bool IsWidget() const override;
};

/**
 * Used for HTML header and footer elements.
 */
class HTMLHeaderOrFooterAccessible : public HyperTextAccessibleWrap
{
public:

  HTMLHeaderOrFooterAccessible(nsIContent* aContent, DocAccessible* aDoc) :
    HyperTextAccessibleWrap(aContent, aDoc) {}

  NS_INLINE_DECL_REFCOUNTING_INHERITED(HTMLHeaderOrFooterAccessible,
                                       HyperTextAccessibleWrap)

  // Accessible
  virtual nsAtom* LandmarkRole() const override;
  virtual a11y::role NativeRole() const override;

protected:
  virtual ~HTMLHeaderOrFooterAccessible() {}
};

/**
 * Used for HTML section element.
 */
class HTMLSectionAccessible : public HyperTextAccessibleWrap
{
public:

  HTMLSectionAccessible(nsIContent* aContent, DocAccessible* aDoc) :
    HyperTextAccessibleWrap(aContent, aDoc) {}

  NS_INLINE_DECL_REFCOUNTING_INHERITED(HTMLSectionAccessible,
                                       HyperTextAccessibleWrap)

  // Accessible
  virtual nsAtom* LandmarkRole() const override;
  virtual a11y::role NativeRole() const override;

protected:
  virtual ~HTMLSectionAccessible() = default;
};

} // namespace a11y
} // namespace mozilla

#endif