RootAccessibleWrap.cpp (1612B)
1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ 2 /* This Source Code Form is subject to the terms of the Mozilla Public 3 * License, v. 2.0. If a copy of the MPL was not distributed with this 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ 5 6 #include "RootAccessibleWrap.h" 7 8 #include "Compatibility.h" 9 #include "mozilla/PresShell.h" 10 #include "nsCoreUtils.h" 11 #include "nsWinUtils.h" 12 13 using namespace mozilla; 14 using namespace mozilla::a11y; 15 16 //////////////////////////////////////////////////////////////////////////////// 17 // Constructor/destructor 18 19 RootAccessibleWrap::RootAccessibleWrap(dom::Document* aDocument, 20 PresShell* aPresShell) 21 : RootAccessible(aDocument, aPresShell) {} 22 23 RootAccessibleWrap::~RootAccessibleWrap() {} 24 25 //////////////////////////////////////////////////////////////////////////////// 26 // RootAccessible 27 28 void RootAccessibleWrap::DocumentActivated(DocAccessible* aDocument) { 29 // This check will never work with e10s enabled, in other words, as of 30 // Firefox 57. 31 if (Compatibility::IsDolphin() && 32 nsCoreUtils::IsTopLevelContentDocInProcess(aDocument->DocumentNode())) { 33 MOZ_ASSERT(XRE_IsParentProcess()); 34 uint32_t count = mChildDocuments.Length(); 35 for (uint32_t idx = 0; idx < count; idx++) { 36 DocAccessible* childDoc = mChildDocuments[idx]; 37 HWND childDocHWND = static_cast<HWND>(childDoc->GetNativeWindow()); 38 if (childDoc != aDocument) 39 nsWinUtils::HideNativeWindow(childDocHWND); 40 else 41 nsWinUtils::ShowNativeWindow(childDocHWND); 42 } 43 } 44 }