RootAccessibleWrap.cpp

Enable keyboard shortcuts

/* -*- 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 "Compatibility.h"

#include "mozilla/PresShell.h"

#include "nsCoreUtils.h"

#include "nsWinUtils.h"

using namespace mozilla;

using namespace mozilla::a11y;

////////////////////////////////////////////////////////////////////////////////

// Constructor/destructor

RootAccessibleWrap::RootAccessibleWrap(dom::Document* aDocument,

                                       PresShell* aPresShell)

    : RootAccessible(aDocument, aPresShell) {}

RootAccessibleWrap::~RootAccessibleWrap() {}

////////////////////////////////////////////////////////////////////////////////

// RootAccessible

void RootAccessibleWrap::DocumentActivated(DocAccessible* aDocument) {

  // This check will never work with e10s enabled, in other words, as of

  // Firefox 57.

  if (Compatibility::IsDolphin() &&

      nsCoreUtils::IsTopLevelContentDocInProcess(aDocument->DocumentNode())) {

    MOZ_ASSERT(XRE_IsParentProcess());

    uint32_t count = mChildDocuments.Length();

    for (uint32_t idx = 0; idx < count; idx++) {

      DocAccessible* childDoc = mChildDocuments[idx];

      HWND childDocHWND = static_cast<HWND>(childDoc->GetNativeWindow());

      if (childDoc != aDocument)

        nsWinUtils::HideNativeWindow(childDocHWND);

      else

        nsWinUtils::ShowNativeWindow(childDocHWND);