accessible/base/AccessibleOrProxy.cpp

   1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* vim: set ts=2 et sw=2 tw=80: */
   3 /* This Source Code Form is subject to the terms of the Mozilla Public
   4  * License, v. 2.0. If a copy of the MPL was not distributed with this
   5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 #include "AccessibleOrProxy.h"
   8
   9 namespace mozilla {
  10 namespace a11y {
  11
  12 AccessibleOrProxy AccessibleOrProxy::Parent() const {
  13   if (IsAccessible()) {
  14     return AsAccessible()->Parent();
  15   }
  16
  17   ProxyAccessible* proxy = AsProxy();
  18   if (!proxy) {
  19     return nullptr;
  20   }
  21
  22   if (ProxyAccessible* parent = proxy->Parent()) {
  23     return parent;
  24   }
  25
  26   // Otherwise this should be the proxy for the tab's top level document.
  27   return proxy->OuterDocOfRemoteBrowser();
  28 }
  29
  30 }  // namespace a11y
  31 }  // namespace mozilla