accessible/generic/TextLeafAccessible.cpp
author Tokio Kajitsuka <kajitsuka-tokio@g.ecc.u-tokyo.ac.jp>
Tue, 08 May 2018 04:05:50 +0900
changeset 418198 6d057f79731365555281285f6a5441febc168e62
parent 292438 d0c6dd45e0cfcb641746485511767fea770e8459
child 418608 dfc05d5ae732ce78aa4076fac0fe5b2684925dbd
permissions -rw-r--r--
Bug 1438193 - part7: NativeRole r=surkov turn NativeRole into const functions

/* -*- 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 "TextLeafAccessible.h"

#include "nsAccUtils.h"
#include "DocAccessible.h"
#include "Role.h"

using namespace mozilla::a11y;

////////////////////////////////////////////////////////////////////////////////
// TextLeafAccessible
////////////////////////////////////////////////////////////////////////////////

TextLeafAccessible::
  TextLeafAccessible(nsIContent* aContent, DocAccessible* aDoc) :
  LinkableAccessible(aContent, aDoc)
{
  mType = eTextLeafType;
  mGenericTypes |= eText;
  mStateFlags |= eNoKidsFromDOM;
}

TextLeafAccessible::~TextLeafAccessible()
{
}

role
TextLeafAccessible::NativeRole() const
{
  nsIFrame* frame = GetFrame();
  if (frame && frame->IsGeneratedContentFrame())
    return roles::STATICTEXT;

  return roles::TEXT_LEAF;
}

void
TextLeafAccessible::AppendTextTo(nsAString& aText, uint32_t aStartOffset,
                                 uint32_t aLength)
{
  aText.Append(Substring(mText, aStartOffset, aLength));
}

ENameValueFlag
TextLeafAccessible::Name(nsString& aName)
{
  // Text node, ARIA can't be used.
  aName = mText;
  return eNameOK;
}