gecko-dev/accessible/windows/msaa/RootAccessibleWrap.cpp

45 строки
1.6 KiB
C++

/* -*- 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);
}
}
}