gecko-dev/accessible/mac/RootAccessibleWrap.mm

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/* clang-format off */
/* -*- Mode: Objective-C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* clang-format on */
/* 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 "mozRootAccessible.h"
#include "gfxPlatform.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_BLOCK_RETURN;
return [mozRootAccessible class];
NS_OBJC_END_TRY_BLOCK_RETURN(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);
MOZ_ASSERT(
*aOutView || gfxPlatform::IsHeadless(),
"Couldn't get the native NSView parent we need to connect the "
"accessibility hierarchy!");
}
}
}
}