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Diffstat (limited to '')
-rw-r--r-- | accessible/android/DocAccessibleWrap.cpp | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/accessible/android/DocAccessibleWrap.cpp b/accessible/android/DocAccessibleWrap.cpp new file mode 100644 index 0000000000..0e46b56649 --- /dev/null +++ b/accessible/android/DocAccessibleWrap.cpp @@ -0,0 +1,78 @@ +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* vim: set ts=2 et sw=2 tw=80: */ +/* 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 "LocalAccessible-inl.h" +#include "AccAttributes.h" +#include "DocAccessibleChild.h" +#include "DocAccessibleWrap.h" +#include "nsIDocShell.h" +#include "nsIScrollableFrame.h" +#include "nsLayoutUtils.h" +#include "nsAccessibilityService.h" +#include "nsAccUtils.h" +#include "Pivot.h" +#include "SessionAccessibility.h" +#include "TraversalRule.h" +#include "mozilla/PresShell.h" + +using namespace mozilla; +using namespace mozilla::a11y; + +#define UNIQUE_ID(acc) \ + !acc || (acc->IsDoc() && acc->AsDoc()->IPCDoc()) \ + ? 0 \ + : reinterpret_cast<uint64_t>(acc->UniqueID()) + +//////////////////////////////////////////////////////////////////////////////// +// DocAccessibleWrap +//////////////////////////////////////////////////////////////////////////////// + +DocAccessibleWrap::DocAccessibleWrap(Document* aDocument, PresShell* aPresShell) + : DocAccessible(aDocument, aPresShell) { + // We need an nsINode associated with this accessible to register it with the + // right SessionAccessibility instance. When the base AccessibleWrap + // constructor is called we don't have one yet because null is passed as the + // content node. So we do it here after a Document is associated with the + // accessible. + if (!IPCAccessibilityActive()) { + MonitorAutoLock mal(nsAccessibilityService::GetAndroidMonitor()); + SessionAccessibility::RegisterAccessible(this); + } +} + +DocAccessibleWrap::~DocAccessibleWrap() {} + +void DocAccessibleWrap::Shutdown() { + // Unregister here before disconnecting from PresShell. + if (!IPCAccessibilityActive()) { + MonitorAutoLock mal(nsAccessibilityService::GetAndroidMonitor()); + if (IsRoot()) { + SessionAccessibility::UnregisterAll(PresShellPtr()); + } else { + SessionAccessibility::UnregisterAccessible(this); + } + } + DocAccessible::Shutdown(); +} + +DocAccessibleWrap* DocAccessibleWrap::GetTopLevelContentDoc( + AccessibleWrap* aAccessible) { + DocAccessibleWrap* doc = + static_cast<DocAccessibleWrap*>(aAccessible->Document()); + while (doc && !doc->IsTopLevelContentDoc()) { + doc = static_cast<DocAccessibleWrap*>(doc->ParentDocument()); + } + + return doc; +} + +bool DocAccessibleWrap::IsTopLevelContentDoc() { + DocAccessible* parentDoc = ParentDocument(); + return DocumentNode()->IsContentDocument() && + (!parentDoc || !parentDoc->DocumentNode()->IsContentDocument()); +} + +#undef UNIQUE_ID |