accessible/base/AccessibleOrProxy.cpp
author Olli Pettay <Olli.Pettay@helsinki.fi>
Thu, 29 Nov 2018 15:15:22 +0200
changeset 448734 b9b9586a6d8b7f291d5d03a107810dff8b7fab78
parent 407749 89c65fe897e523b4891fa83e823f3bbfd869cfeb
child 448947 6f3709b3878117466168c40affa7bca0b60cf75b
permissions -rw-r--r--
Bug 1510633, no need to remove ShadowRoot's MutationObserver if there isn't host anymore, r=emilio,edgar

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=2 et sw=2 tw=80: */
/* 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 "AccessibleOrProxy.h"

namespace mozilla {
namespace a11y {

AccessibleOrProxy
AccessibleOrProxy::Parent() const
{
  if (IsAccessible()) {
    return AsAccessible()->Parent();
  }

  ProxyAccessible* proxy = AsProxy();
  if (!proxy) {
    return nullptr;
  }

  if (ProxyAccessible* parent = proxy->Parent()) {
    return parent;
  }

  // Otherwise this should be the proxy for the tab's top level document.
  return proxy->OuterDocOfRemoteBrowser();
}

}
}