michael@0: /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #include "RootAccessibleWrap.h"
michael@0: 
michael@0: #include "mozDocAccessible.h"
michael@0: 
michael@0: #include "nsCOMPtr.h"
michael@0: #include "nsObjCExceptions.h"
michael@0: #include "nsIFrame.h"
michael@0: #include "nsView.h"
michael@0: #include "nsIWidget.h"
michael@0: 
michael@0: using namespace mozilla::a11y;
michael@0: 
michael@0: RootAccessibleWrap::
michael@0:   RootAccessibleWrap(nsIDocument* aDocument, nsIContent* aRootContent,
michael@0:                      nsIPresShell* aPresShell) :
michael@0:   RootAccessible(aDocument, aRootContent, aPresShell)
michael@0: {
michael@0: }
michael@0: 
michael@0: RootAccessibleWrap::~RootAccessibleWrap()
michael@0: {
michael@0: }
michael@0: 
michael@0: Class
michael@0: RootAccessibleWrap::GetNativeType()
michael@0: {
michael@0:   NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NIL;
michael@0: 
michael@0:   return [mozRootAccessible class];
michael@0: 
michael@0:   NS_OBJC_END_TRY_ABORT_BLOCK_NIL;
michael@0: }
michael@0: 
michael@0: void
michael@0: RootAccessibleWrap::GetNativeWidget(void** aOutView)
michael@0: {
michael@0:   nsIFrame *frame = GetFrame();
michael@0:   if (frame) {
michael@0:     nsView *view = frame->GetViewExternal();
michael@0:     if (view) {
michael@0:       nsIWidget *widget = view->GetWidget();
michael@0:       if (widget) {
michael@0:         *aOutView = (void**)widget->GetNativeData (NS_NATIVE_WIDGET);
michael@0:         NS_ASSERTION (*aOutView, 
michael@0:                       "Couldn't get the native NSView parent we need to connect the accessibility hierarchy!");
michael@0:       }
michael@0:     }
michael@0:   }
michael@0: }