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96 lines
2.7 KiB
96 lines
2.7 KiB
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ |
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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/ProxyAccessible.h" |
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#include "Accessible-inl.h" |
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namespace mozilla { |
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namespace a11y { |
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/* static */ uint32_t |
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DocAccessibleChildBase::InterfacesFor(Accessible* aAcc) |
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{ |
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uint32_t interfaces = 0; |
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if (aAcc->IsHyperText() && aAcc->AsHyperText()->IsTextRole()) |
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interfaces |= Interfaces::HYPERTEXT; |
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if (aAcc->IsLink()) |
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interfaces |= Interfaces::HYPERLINK; |
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if (aAcc->HasNumericValue()) |
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interfaces |= Interfaces::VALUE; |
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if (aAcc->IsImage()) |
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interfaces |= Interfaces::IMAGE; |
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if (aAcc->IsTable()) { |
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interfaces |= Interfaces::TABLE; |
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} |
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if (aAcc->IsTableCell()) |
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interfaces |= Interfaces::TABLECELL; |
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if (aAcc->IsDoc()) |
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interfaces |= Interfaces::DOCUMENT; |
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if (aAcc->IsSelect()) { |
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interfaces |= Interfaces::SELECTION; |
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} |
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if (aAcc->ActionCount()) { |
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interfaces |= Interfaces::ACTION; |
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} |
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return interfaces; |
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} |
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/* static */ void |
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DocAccessibleChildBase::SerializeTree(Accessible* aRoot, |
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nsTArray<AccessibleData>& aTree) |
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{ |
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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 = AccessibleWrap::GetChildIDFor(aRoot); |
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#endif |
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uint32_t role = aRoot->Role(); |
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uint32_t childCount = aRoot->ChildCount(); |
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uint32_t interfaces = InterfacesFor(aRoot); |
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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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#if defined(XP_WIN) |
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aTree.AppendElement(AccessibleData(id, msaaId, role, childCount, interfaces)); |
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#else |
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aTree.AppendElement(AccessibleData(id, role, childCount, interfaces)); |
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#endif |
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for (uint32_t i = 0; i < childCount; i++) { |
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SerializeTree(aRoot->GetChildAt(i), aTree); |
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} |
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} |
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void |
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DocAccessibleChildBase::ShowEvent(AccShowEvent* aShowEvent) |
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{ |
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Accessible* parent = aShowEvent->Parent(); |
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uint64_t parentID = 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); |
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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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