forked from mirrors/gecko-dev
552af4f9de
Sending these doesn't really do any harm, as we already disregard them in the parent process. However, it's certainly unnecessary and wasteful. Differential Revision: https://phabricator.services.mozilla.com/D116204
83 lines
3.1 KiB
C++
83 lines
3.1 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "mozilla/a11y/DocAccessibleChildBase.h"
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#include "mozilla/a11y/RemoteAccessible.h"
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#include "mozilla/StaticPrefs_accessibility.h"
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#include "LocalAccessible-inl.h"
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namespace mozilla {
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namespace a11y {
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/* static */
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void DocAccessibleChildBase::SerializeTree(LocalAccessible* aRoot,
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nsTArray<AccessibleData>& aTree) {
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uint64_t id = reinterpret_cast<uint64_t>(aRoot->UniqueID());
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#if defined(XP_WIN)
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int32_t msaaId = StaticPrefs::accessibility_cache_enabled_AtStartup()
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? 0
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: MsaaAccessible::GetChildIDFor(aRoot);
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#endif
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a11y::role role = aRoot->Role();
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uint32_t childCount = aRoot->ChildCount();
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// OuterDocAccessibles are special because we don't want to serialize the
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// child doc here, we'll call PDocAccessibleConstructor in
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// NotificationController.
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MOZ_ASSERT(!aRoot->IsDoc(), "documents shouldn't be serialized");
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if (aRoot->IsOuterDoc()) {
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childCount = 0;
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}
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uint32_t genericTypes = aRoot->mGenericTypes;
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if (aRoot->ARIAHasNumericValue()) {
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// XXX: We need to do this because this requires a state check.
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genericTypes |= eNumericValue;
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}
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if (aRoot->ActionCount()) {
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genericTypes |= eActionable;
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}
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#if defined(XP_WIN)
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aTree.AppendElement(AccessibleData(
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id, msaaId, role, childCount, static_cast<AccType>(aRoot->mType),
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static_cast<AccGenericType>(genericTypes), aRoot->mRoleMapEntryIndex));
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#else
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aTree.AppendElement(AccessibleData(
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id, role, childCount, static_cast<AccType>(aRoot->mType),
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static_cast<AccGenericType>(genericTypes), aRoot->mRoleMapEntryIndex));
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#endif
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for (uint32_t i = 0; i < childCount; i++) {
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SerializeTree(aRoot->LocalChildAt(i), aTree);
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}
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}
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void DocAccessibleChildBase::InsertIntoIpcTree(LocalAccessible* aParent,
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LocalAccessible* aChild,
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uint32_t aIdxInParent) {
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uint64_t parentID =
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aParent->IsDoc() ? 0 : reinterpret_cast<uint64_t>(aParent->UniqueID());
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nsTArray<AccessibleData> shownTree;
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ShowEventData data(parentID, aIdxInParent, shownTree, true);
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SerializeTree(aChild, data.NewTree());
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MaybeSendShowEvent(data, false);
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}
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void DocAccessibleChildBase::ShowEvent(AccShowEvent* aShowEvent) {
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LocalAccessible* parent = aShowEvent->LocalParent();
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uint64_t parentID =
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parent->IsDoc() ? 0 : reinterpret_cast<uint64_t>(parent->UniqueID());
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uint32_t idxInParent = aShowEvent->GetAccessible()->IndexInParent();
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nsTArray<AccessibleData> shownTree;
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ShowEventData data(parentID, idxInParent, shownTree, false);
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SerializeTree(aShowEvent->GetAccessible(), data.NewTree());
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MaybeSendShowEvent(data, aShowEvent->IsFromUserInput());
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}
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} // namespace a11y
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} // namespace mozilla
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