void DocAccessibleWrap::CacheFocusPath(AccessibleWrap* aAccessible) {
mFocusPath.Clear();
if (IPCAccessibilityActive()) {
DocAccessibleChild* ipcDoc = IPCDoc();
nsTArray<BatchData> cacheData;
for (AccessibleWrap* acc = aAccessible; acc && acc != this->Parent();
acc = static_cast<AccessibleWrap*>(acc->Parent())) {
auto uid = acc->IsDoc() && acc->AsDoc()->IPCDoc()
? 0
: reinterpret_cast<uint64_t>(acc->UniqueID());
nsAutoString name;
acc->Name(name);
nsAutoString textValue;
acc->Value(textValue);
nsAutoString nodeID;
acc->WrapperDOMNodeID(nodeID);
nsCOMPtr<nsIPersistentProperties> props = acc->Attributes();
nsTArray<Attribute> attributes;
nsAccUtils::PersistentPropertiesToArray(props, &attributes);
cacheData.AppendElement(BatchData(
acc->Document()->IPCDoc(), uid, acc->State(), acc->Bounds(),
acc->ActionCount(), name, textValue, nodeID, acc->CurValue(),
acc->MinValue(), acc->MaxValue(), acc->Step(), attributes));
mFocusPath.Put(acc->UniqueID(), acc);
}
ipcDoc->SendBatch(eBatch_FocusPath, cacheData);
} else if (SessionAccessibility* sessionAcc =
SessionAccessibility::GetInstanceFor(this)) {
nsTArray<AccessibleWrap*> accessibles;
for (AccessibleWrap* acc = aAccessible; acc && acc != this->Parent();
acc = static_cast<AccessibleWrap*>(acc->Parent())) {
accessibles.AppendElement(acc);
}
sessionAcc->ReplaceFocusPathCache(accessibles);
}
}
void DocAccessibleWrap::UpdateFocusPathBounds() {
if (!mFocusPath.Count()) {
return;
}
if (IPCAccessibilityActive()) {
DocAccessibleChild* ipcDoc = IPCDoc();
nsTArray<BatchData> boundsData(mFocusPath.Count());
for (auto iter = mFocusPath.Iter(); !iter.Done(); iter.Next()) {
Accessible* accessible = iter.Data();
if (!accessible || accessible->IsDefunct()) {
MOZ_ASSERT_UNREACHABLE("Focus path cached accessible is gone.");
continue;
}
auto uid = accessible->IsDoc() && accessible->AsDoc()->IPCDoc()
? 0
: reinterpret_cast<uint64_t>(accessible->UniqueID());
boundsData.AppendElement(BatchData(
accessible->Document()->IPCDoc(), uid, 0, accessible->Bounds(), 0,
nsString(), nsString(), nsString(), UnspecifiedNaN<double>(),
UnspecifiedNaN<double>(), UnspecifiedNaN<double>(),
UnspecifiedNaN<double>(), nsTArray<Attribute>()));
}
ipcDoc->SendBatch(eBatch_BoundsUpdate, boundsData);
} else if (SessionAccessibility* sessionAcc =
SessionAccessibility::GetInstanceFor(this)) {
nsTArray<AccessibleWrap*> accessibles(mFocusPath.Count());
for (auto iter = mFocusPath.Iter(); !iter.Done(); iter.Next()) {
accessibles.AppendElement(
static_cast<AccessibleWrap*>(iter.Data().get()));
}
sessionAcc->UpdateCachedBounds(accessibles);
}
}
void DocAccessibleWrap::CacheViewportCallback(nsITimer* aTimer,
void* aDocAccParam) {
RefPtr<DocAccessibleWrap> docAcc(
dont_AddRef(reinterpret_cast<DocAccessibleWrap*>(aDocAccParam)));
if (!docAcc) {
return;
}
nsIPresShell* presShell = docAcc->PresShell();
if (!presShell) {
return;
}
nsIFrame* rootFrame = presShell->GetRootFrame();
if (!rootFrame) {
return;
}
nsTArray<nsIFrame*> frames;
nsIScrollableFrame* sf = presShell->GetRootScrollFrameAsScrollable();
nsRect scrollPort = sf ? sf->GetScrollPortRect() : rootFrame->GetRect();
nsLayoutUtils::GetFramesForArea(
presShell->GetRootFrame(), scrollPort, frames,
nsLayoutUtils::FrameForPointFlags::ONLY_VISIBLE);
AccessibleHashtable inViewAccs;
for (size_t i = 0; i < frames.Length(); i++) {
nsIContent* content = frames.ElementAt(i)->GetContent();
if (!content) {
continue;
}
Accessible* visibleAcc = docAcc->GetAccessibleOrContainer(content);
if (!visibleAcc) {
continue;
}
for (Accessible* acc = visibleAcc; acc && acc != docAcc->Parent();
acc = acc->Parent()) {
if (inViewAccs.Contains(acc->UniqueID())) {
break;
}
inViewAccs.Put(acc->UniqueID(), acc);
}
}
if (IPCAccessibilityActive()) {
DocAccessibleChild* ipcDoc = docAcc->IPCDoc();
nsTArray<BatchData> cacheData(inViewAccs.Count());
for (auto iter = inViewAccs.Iter(); !iter.Done(); iter.Next()) {
Accessible* accessible = iter.Data();
auto uid = accessible->IsDoc() && accessible->AsDoc()->IPCDoc()
? 0
: reinterpret_cast<uint64_t>(accessible->UniqueID());
cacheData.AppendElement(
BatchData(accessible->Document()->IPCDoc(), uid, accessible->State(),
accessible->Bounds(), accessible->ActionCount(), nsString(),
nsString(), nsString(), UnspecifiedNaN<double>(),
UnspecifiedNaN<double>(), UnspecifiedNaN<double>(),
UnspecifiedNaN<double>(), nsTArray<Attribute>()));
}
ipcDoc->SendBatch(eBatch_Viewport, cacheData);
} else if (SessionAccessibility* sessionAcc =
SessionAccessibility::GetInstanceFor(docAcc)) {
nsTArray<AccessibleWrap*> accessibles(inViewAccs.Count());
for (auto iter = inViewAccs.Iter(); !iter.Done(); iter.Next()) {
accessibles.AppendElement(
static_cast<AccessibleWrap*>(iter.Data().get()));
}
sessionAcc->ReplaceViewportCache(accessibles);
}
if (docAcc->mCacheRefreshTimer) {
docAcc->mCacheRefreshTimer = nullptr;
}
}
