accessible/src/generic/TextLeafAccessible.h
author Gregory Szorc <gps@mozilla.com>
Wed, 10 Oct 2012 11:08:09 -0700
changeset 109790 cff221895afe122f2bb51224d369e6d26509dfad
parent 108499 2c694d8bf7a59441faba5d6266862299fa354b03
child 113636 5cb2cc9be615d66b1eb96843a4c8c45b9b60e29d
permissions -rw-r--r--
Bug 799291 - Part 3: Move mozbuild.testing into testing/; r=jhammel

/* -*- 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_TextLeafAccessible_h__
#define mozilla_a11y_TextLeafAccessible_h__

#include "BaseAccessibles.h"

namespace mozilla {
namespace a11y {
 
/**
 * Generic class used for text nodes.
 */
class TextLeafAccessible : public LinkableAccessible
{
public:
  TextLeafAccessible(nsIContent* aContent, DocAccessible* aDoc);
  virtual ~TextLeafAccessible();

  // Accessible
  virtual mozilla::a11y::role NativeRole();
  virtual void AppendTextTo(nsAString& aText, uint32_t aStartOffset = 0,
                            uint32_t aLength = UINT32_MAX);
  virtual ENameValueFlag Name(nsString& aName);

  // TextLeafAccessible
  void SetText(const nsAString& aText) { mText = aText; }
  const nsString& Text() const { return mText; }

protected:
  // Accessible
  virtual void CacheChildren();

protected:
  nsString mText;
};

} // namespace a11y
} // namespace mozilla

////////////////////////////////////////////////////////////////////////////////
// Accessible downcast method

inline mozilla::a11y::TextLeafAccessible*
Accessible::AsTextLeaf()
{
  return mFlags & eTextLeafAccessible ?
    static_cast<mozilla::a11y::TextLeafAccessible*>(this) : nullptr;
}

#endif