void visitDOMWrapper(DOMDataStore* store, T* object, v8::Persistent<v8::Object> wrapper)
{
WrapperTypeInfo* typeInfo = V8DOMWrapper::domWrapperType(wrapper);
if (!S::process(object, wrapper, typeInfo)) {
ActiveDOMObject* activeDOMObject = typeInfo->toActiveDOMObject(wrapper);
if (activeDOMObject && activeDOMObject->hasPendingActivity())
wrapper.ClearWeak();
}
}
void visitDOMWrapper(DOMDataStore* store, void* object, v8::Persistent<v8::Object> wrapper)
{
WrapperTypeInfo* typeInfo = V8DOMWrapper::domWrapperType(wrapper);
// Additional handling of message port ensuring that entangled ports also
// have their wrappers entangled. This should ideally be handled when the
// ports are actually entangled in MessagePort::entangle, but to avoid
// forking MessagePort.* this is postponed to GC time. Having this postponed
// has the drawback that the wrappers are "entangled/unentangled" for each
// GC even though their entaglement most likely is still the same.
if (V8MessagePort::info.equals(typeInfo)) {
// Mark each port as in-use if it's entangled. For simplicity's sake, we assume all ports are remotely entangled,
// since the Chromium port implementation can't tell the difference.
MessagePort* port1 = static_cast<MessagePort*>(object);
if (port1->isEntangled() || port1->hasPendingActivity())
wrapper.ClearWeak();
} else {
ActiveDOMObject* activeDOMObject = typeInfo->toActiveDOMObject(wrapper);
if (activeDOMObject && activeDOMObject->hasPendingActivity())
wrapper.ClearWeak();
}
}
