gecko-dev/accessible/generic/TextLeafAccessible.cpp

/* -*- 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) const {
  // Text node, ARIA can't be used.
  aName = mText;
  return eNameOK;
}