accessible/html/HTMLElementAccessibles.cpp
author Wes Kocher <wkocher@mozilla.com>
Wed, 07 Oct 2015 10:19:19 -0700
changeset 266639 41dea9df27ed995f8315ab4318c187a617937664
parent 266617 91d4539e00cecb658604e021675a923c60ef3235
child 268184 e8c7dfe727cd970e2c3294934e2927b14143c205
permissions -rw-r--r--
Backed out changeset 91d4539e00ce (bug 1207245)

/* -*- 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/. */

#include "HTMLElementAccessibles.h"

#include "DocAccessible.h"
#include "nsAccUtils.h"
#include "nsIPersistentProperties2.h"
#include "nsTextEquivUtils.h"
#include "Relation.h"
#include "Role.h"
#include "States.h"

#include "mozilla/dom/HTMLLabelElement.h"

using namespace mozilla::a11y;

////////////////////////////////////////////////////////////////////////////////
// HTMLHRAccessible
////////////////////////////////////////////////////////////////////////////////

role
HTMLHRAccessible::NativeRole()
{
  return roles::SEPARATOR;
}

////////////////////////////////////////////////////////////////////////////////
// HTMLBRAccessible
////////////////////////////////////////////////////////////////////////////////

role
HTMLBRAccessible::NativeRole()
{
  return roles::WHITESPACE;
}

uint64_t
HTMLBRAccessible::NativeState()
{
  return states::READONLY;
}

ENameValueFlag
HTMLBRAccessible::NativeName(nsString& aName)
{
  aName = static_cast<char16_t>('\n');    // Newline char
  return eNameOK;
}

////////////////////////////////////////////////////////////////////////////////
// HTMLLabelAccessible
////////////////////////////////////////////////////////////////////////////////

NS_IMPL_ISUPPORTS_INHERITED0(HTMLLabelAccessible, HyperTextAccessible)

ENameValueFlag
HTMLLabelAccessible::NativeName(nsString& aName)
{
  nsTextEquivUtils::GetNameFromSubtree(this, aName);
  return aName.IsEmpty() ? eNameOK : eNameFromSubtree;
}

Relation
HTMLLabelAccessible::RelationByType(RelationType aType)
{
  Relation rel = AccessibleWrap::RelationByType(aType);
  if (aType == RelationType::LABEL_FOR) {
    nsRefPtr<dom::HTMLLabelElement> label = dom::HTMLLabelElement::FromContent(mContent);
    rel.AppendTarget(mDoc, label->GetControl());
  }

  return rel;
}

////////////////////////////////////////////////////////////////////////////////
// nsHTMLOuputAccessible
////////////////////////////////////////////////////////////////////////////////

NS_IMPL_ISUPPORTS_INHERITED0(HTMLOutputAccessible, HyperTextAccessible)

Relation
HTMLOutputAccessible::RelationByType(RelationType aType)
{
  Relation rel = AccessibleWrap::RelationByType(aType);
  if (aType == RelationType::CONTROLLED_BY)
    rel.AppendIter(new IDRefsIterator(mDoc, mContent, nsGkAtoms::_for));

  return rel;
}