accessible/mac/RootAccessibleWrap.mm
author Jeff Walden <jwalden@mit.edu>
Tue, 19 Nov 2019 04:55:39 +0000
changeset 502538 b5c5ba07d3dbd0d07b66fa42a103f4df2c27d3a2
parent 469403 5e25c38549869fff1216ebfc742df301fa21ac3f
permissions -rw-r--r--
Bug 1596544 - intl_ValidateAndCanonicalizeUnicodeExtensionType should ignore the second |option| argument until it's needed to report an error. r=anba Differential Revision: https://phabricator.services.mozilla.com/D53145

/* -*- 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 "RootAccessibleWrap.h"

#include "mozDocAccessible.h"

#include "nsCOMPtr.h"
#include "nsObjCExceptions.h"
#include "nsIFrame.h"
#include "nsView.h"
#include "nsIWidget.h"

using namespace mozilla;
using namespace mozilla::a11y;

RootAccessibleWrap::RootAccessibleWrap(dom::Document* aDocument, PresShell* aPresShell)
    : RootAccessible(aDocument, aPresShell) {}

RootAccessibleWrap::~RootAccessibleWrap() {}

Class RootAccessibleWrap::GetNativeType() {
  NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NIL;

  return [mozRootAccessible class];

  NS_OBJC_END_TRY_ABORT_BLOCK_NIL;
}

void RootAccessibleWrap::GetNativeWidget(void** aOutView) {
  nsIFrame* frame = GetFrame();
  if (frame) {
    nsView* view = frame->GetView();
    if (view) {
      nsIWidget* widget = view->GetWidget();
      if (widget) {
        *aOutView = (void**)widget->GetNativeData(NS_NATIVE_WIDGET);
        NS_ASSERTION(*aOutView, "Couldn't get the native NSView parent we need to connect the "
                                "accessibility hierarchy!");
      }
    }
  }
}