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/* -*- 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 "mozilla/a11y/DocAccessibleChildBase.h"
#include "mozilla/a11y/ProxyAccessible.h"
#include "Accessible-inl.h"
namespace mozilla {
namespace a11y {
/* static */ uint32_t
DocAccessibleChildBase::InterfacesFor(Accessible* aAcc)
{
uint32_t interfaces = 0;
if (aAcc->IsHyperText() && aAcc->AsHyperText()->IsTextRole())
interfaces |= Interfaces::HYPERTEXT;
if (aAcc->IsLink())
interfaces |= Interfaces::HYPERLINK;
if (aAcc->HasNumericValue())
interfaces |= Interfaces::VALUE;
if (aAcc->IsImage())
interfaces |= Interfaces::IMAGE;
if (aAcc->IsTable()) {
interfaces |= Interfaces::TABLE;
}
if (aAcc->IsTableCell())
interfaces |= Interfaces::TABLECELL;
if (aAcc->IsDoc())
interfaces |= Interfaces::DOCUMENT;
if (aAcc->IsSelect()) {
interfaces |= Interfaces::SELECTION;
}
if (aAcc->ActionCount()) {
interfaces |= Interfaces::ACTION;
}
return interfaces;
}
/* static */ void
DocAccessibleChildBase::SerializeTree(Accessible* aRoot,
nsTArray<AccessibleData>& aTree)
{
uint64_t id = reinterpret_cast<uint64_t>(aRoot->UniqueID());
#if defined(XP_WIN)
int32_t msaaId = AccessibleWrap::GetChildIDFor(aRoot);
#endif
uint32_t role = aRoot->Role();
uint32_t childCount = aRoot->ChildCount();
uint32_t interfaces = InterfacesFor(aRoot);
// OuterDocAccessibles are special because we don't want to serialize the
// child doc here, we'll call PDocAccessibleConstructor in
// NotificationController.
MOZ_ASSERT(!aRoot->IsDoc(), "documents shouldn't be serialized");
if (aRoot->IsOuterDoc()) {
childCount = 0;
}
#if defined(XP_WIN)
aTree.AppendElement(AccessibleData(id, msaaId, role, childCount, interfaces));
#else
aTree.AppendElement(AccessibleData(id, role, childCount, interfaces));
#endif
for (uint32_t i = 0; i < childCount; i++) {
SerializeTree(aRoot->GetChildAt(i), aTree);
}
}
void
DocAccessibleChildBase::ShowEvent(AccShowEvent* aShowEvent)
{
Accessible* parent = aShowEvent->Parent();
uint64_t parentID = parent->IsDoc() ? 0 : reinterpret_cast<uint64_t>(parent->UniqueID());
uint32_t idxInParent = aShowEvent->GetAccessible()->IndexInParent();
nsTArray<AccessibleData> shownTree;
ShowEventData data(parentID, idxInParent, shownTree);
SerializeTree(aShowEvent->GetAccessible(), data.NewTree());
MaybeSendShowEvent(data, aShowEvent->IsFromUserInput());
}
} // namespace a11y
} // namespace mozilla
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