accessible/mac/RootAccessibleWrap.mm
author Keita Mimura <k-mimura@onu.edu>
Tue, 07 Apr 2015 11:35:38 -0700
changeset 238128 af2151f856fbfe2391827c9d019dd661401bc4a5
parent 190354 85b4fe3a7fa90caa702aa36f6985c667d9e01b02
child 247605 f4b92d3bee3f74525c9be77048fef891ff119657
permissions -rw-r--r--
Bug 1137234 - Make middle clicks on search suggestions on about:home, about:newtab open search results in a background tab. r=adw

/* -*- 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, nsIContent* aRootContent,
                     nsIPresShell* aPresShell) :
  RootAccessible(aDocument, aRootContent, 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->GetViewExternal();
    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!");
      }
    }
  }
}