accessible/generic/TextLeafAccessible.cpp

   1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* This Source Code Form is subject to the terms of the Mozilla Public
   3  * License, v. 2.0. If a copy of the MPL was not distributed with this
   4  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   5
   6 #include "TextLeafAccessible.h"
   7
   8 #include "mozilla/a11y/Role.h"
   9
  10 using namespace mozilla::a11y;
  11
  12 ////////////////////////////////////////////////////////////////////////////////
  13 // TextLeafAccessible
  14 ////////////////////////////////////////////////////////////////////////////////
  15
  16 TextLeafAccessible::TextLeafAccessible(nsIContent* aContent,
  17                                        DocAccessible* aDoc)
  18     : LinkableAccessible(aContent, aDoc) {
  19   mType = eTextLeafType;
  20   mGenericTypes |= eText;
  21   mStateFlags |= eNoKidsFromDOM;
  22 }
  23
  24 TextLeafAccessible::~TextLeafAccessible() {}
  25
  26 role TextLeafAccessible::NativeRole() const {
  27   nsIFrame* frame = GetFrame();
  28   if (frame && frame->IsGeneratedContentFrame()) return roles::STATICTEXT;
  29
  30   return roles::TEXT_LEAF;
  31 }
  32
  33 void TextLeafAccessible::AppendTextTo(nsAString& aText, uint32_t aStartOffset,
  34                                       uint32_t aLength) {
  35   aText.Append(Substring(mText, aStartOffset, aLength));
  36 }
  37
  38 ENameValueFlag TextLeafAccessible::Name(nsString& aName) const {
  39   // Text node, ARIA can't be used.
  40   aName = mText;
  41   return eNameOK;
  42 }