1/* clang-format off */ 2/* -*- Mode: Objective-C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ 3/* clang-format on */ 4/* This Source Code Form is subject to the terms of the Mozilla Public 5 * License, v. 2.0. If a copy of the MPL was not distributed with this 6 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ 7 8#include "RootAccessibleWrap.h" 9 10#include "mozRootAccessible.h" 11 12#include "gfxPlatform.h" 13#include "nsCOMPtr.h" 14#include "nsObjCExceptions.h" 15#include "nsIFrame.h" 16#include "nsView.h" 17#include "nsIWidget.h" 18 19using namespace mozilla; 20using namespace mozilla::a11y; 21 22RootAccessibleWrap::RootAccessibleWrap(dom::Document* aDocument, 23 PresShell* aPresShell) 24 : RootAccessible(aDocument, aPresShell) {} 25 26RootAccessibleWrap::~RootAccessibleWrap() {} 27 28Class RootAccessibleWrap::GetNativeType() { 29 NS_OBJC_BEGIN_TRY_BLOCK_RETURN; 30 31 return [mozRootAccessible class]; 32 33 NS_OBJC_END_TRY_BLOCK_RETURN(nil); 34} 35 36void RootAccessibleWrap::GetNativeWidget(void** aOutView) { 37 nsIFrame* frame = GetFrame(); 38 if (frame) { 39 nsView* view = frame->GetView(); 40 if (view) { 41 nsIWidget* widget = view->GetWidget(); 42 if (widget) { 43 *aOutView = (void**)widget->GetNativeData(NS_NATIVE_WIDGET); 44 MOZ_ASSERT( 45 *aOutView || gfxPlatform::IsHeadless(), 46 "Couldn't get the native NSView parent we need to connect the " 47 "accessibility hierarchy!"); 48 } 49 } 50 } 51} 52