accessible/mac/RootAccessibleWrap.mm
author Chris Manchester <cmanchester@mozilla.com>
Thu, 12 May 2016 11:55:59 -0700
changeset 323517 5d4213512f1af0c13fb721db996b6f440bb3e789
parent 318683 4f9e86886f0f1fb81e723dbe7f9ccce76a6d8d80
permissions -rw-r--r--
Bug 1257326 - Move MOZ_SERVICES_SYNC to Python configure. r=glandium MozReview-Commit-ID: DCDoSgHfwVY

/* -*- 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::a11y;

RootAccessibleWrap::
  RootAccessibleWrap(nsIDocument* aDocument, nsIPresShell* 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!");
      }
    }
  }
}