gecko-dev/accessible/mac/RootAccessibleWrap.mm

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/* -*- 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!");
}
}
}
}