RootAccessibleWrap.mm (1377B)
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 "nsIWidget.h" 17 18 using namespace mozilla; 19 using namespace mozilla::a11y; 20 21 RootAccessibleWrap::RootAccessibleWrap(dom::Document* aDocument, 22 PresShell* aPresShell) 23 : RootAccessible(aDocument, aPresShell) {} 24 25 RootAccessibleWrap::~RootAccessibleWrap() {} 26 27 Class RootAccessibleWrap::GetNativeType() { 28 NS_OBJC_BEGIN_TRY_BLOCK_RETURN; 29 30 return [mozRootAccessible class]; 31 32 NS_OBJC_END_TRY_BLOCK_RETURN(nil); 33 } 34 35 void RootAccessibleWrap::GetNativeWidget(void** aOutView) { 36 if (nsIFrame* frame = GetFrame()) { 37 if (nsIWidget* widget = frame->GetOwnWidget()) { 38 *aOutView = (void**)widget->GetNativeData(NS_NATIVE_WIDGET); 39 MOZ_ASSERT(*aOutView || gfxPlatform::IsHeadless(), 40 "Couldn't get the native NSView parent we need to connect the " 41 "accessibility hierarchy!"); 42 } 43 } 44 }