HyperTextAccessible*
DocAccessibleChild::IdToHyperTextAccessible(const uint64_t& aID)
{
Accessible* acc = IdToAccessible(aID);
MOZ_ASSERT(!acc || acc->IsHyperText());
return acc ? acc->AsHyperText() : nullptr;
}
HyperTextAccessible*
nsAccessiblePivot::SearchForText(Accessible* aAccessible, bool aBackward)
{
Accessible* root = GetActiveRoot();
Accessible* accessible = aAccessible;
while (true) {
Accessible* child = nullptr;
while ((child = (aBackward ? accessible->LastChild() :
accessible->FirstChild()))) {
accessible = child;
if (child->IsHyperText())
return child->AsHyperText();
}
Accessible* sibling = nullptr;
Accessible* temp = accessible;
do {
if (temp == root)
break;
if (temp != aAccessible && temp->IsHyperText())
return temp->AsHyperText();
sibling = aBackward ? temp->PrevSibling() : temp->NextSibling();
if (sibling)
break;
} while ((temp = temp->Parent()));
if (!sibling)
break;
accessible = sibling;
if (accessible->IsHyperText())
return accessible->AsHyperText();
}
return nullptr;
}
nsresult
HyperTextAccessibleWrap::HandleAccEvent(AccEvent* aEvent)
{
uint32_t eventType = aEvent->GetEventType();
if (eventType == nsIAccessibleEvent::EVENT_TEXT_REMOVED ||
eventType == nsIAccessibleEvent::EVENT_TEXT_INSERTED) {
Accessible* accessible = aEvent->GetAccessible();
if (accessible && accessible->IsHyperText()) {
AccTextChangeEvent* event = downcast_accEvent(aEvent);
HyperTextAccessibleWrap* text =
static_cast<HyperTextAccessibleWrap*>(accessible->AsHyperText());
ia2AccessibleText::UpdateTextChangeData(text, event->IsTextInserted(),
event->ModifiedText(),
event->GetStartOffset(),
event->GetLength());
}
}
return HyperTextAccessible::HandleAccEvent(aEvent);
}
nsresult
HyperTextAccessibleWrap::HandleAccEvent(AccEvent* aEvent)
{
uint32_t eventType = aEvent->GetEventType();
if (eventType == nsIAccessibleEvent::EVENT_TEXT_REMOVED ||
eventType == nsIAccessibleEvent::EVENT_TEXT_INSERTED) {
Accessible* accessible = aEvent->GetAccessible();
if (accessible && accessible->IsHyperText()) {
sLastTextChangeAcc = accessible;
if (!sLastTextChangeString)
sLastTextChangeString = new nsString();
AccTextChangeEvent* event = downcast_accEvent(aEvent);
event->GetModifiedText(*sLastTextChangeString);
sLastTextChangeStart = event->GetStartOffset();
sLastTextChangeEnd = sLastTextChangeStart + event->GetLength();
sLastTextChangeWasInsert = event->IsTextInserted();
}
}
return HyperTextAccessible::HandleAccEvent(aEvent);
}