virtual void VisitPersistentHandle(v8::Persistent<v8::Value>* value, uint16_t classId) override
{
if (classId != WrapperTypeInfo::NodeClassId && classId != WrapperTypeInfo::ObjectClassId)
return;
// Casting to a Handle is safe here, since the Persistent doesn't get GCd
// during tracing.
ASSERT((*reinterpret_cast<v8::Handle<v8::Value>*>(value))->IsObject());
v8::Handle<v8::Object>* wrapper = reinterpret_cast<v8::Handle<v8::Object>*>(value);
ASSERT(V8DOMWrapper::isDOMWrapper(*wrapper));
if (m_visitor)
toWrapperTypeInfo(*wrapper)->trace(m_visitor, toScriptWrappableBase(*wrapper));
}
virtual void VisitPersistentHandle(v8::Persistent<v8::Value>* value, uint16_t classId) override
{
if (classId != WrapperTypeInfo::NodeClassId && classId != WrapperTypeInfo::ObjectClassId)
return;
// Casting to a Handle is safe here, since the Persistent doesn't get GCd
// during the GC prologue.
ASSERT((*reinterpret_cast<v8::Handle<v8::Value>*>(value))->IsObject());
v8::Handle<v8::Object>* wrapper = reinterpret_cast<v8::Handle<v8::Object>*>(value);
ASSERT(V8DOMWrapper::isDOMWrapper(*wrapper));
if (value->IsIndependent())
return;
const WrapperTypeInfo* type = toWrapperTypeInfo(*wrapper);
ActiveDOMObject* activeDOMObject = type->toActiveDOMObject(*wrapper);
if (activeDOMObject && activeDOMObject->hasPendingActivity()) {
m_isolate->SetObjectGroupId(*value, liveRootId());
++m_domObjectsWithPendingActivity;
}
if (classId == WrapperTypeInfo::NodeClassId) {
ASSERT(V8Node::hasInstance(*wrapper, m_isolate));
Node* node = V8Node::toImpl(*wrapper);
if (node->hasEventListeners())
addReferencesForNodeWithEventListeners(m_isolate, node, v8::Persistent<v8::Object>::Cast(*value));
Node* root = V8GCController::opaqueRootForGC(m_isolate, node);
m_isolate->SetObjectGroupId(*value, v8::UniqueId(reinterpret_cast<intptr_t>(root)));
if (m_constructRetainedObjectInfos)
m_groupsWhichNeedRetainerInfo.append(root);
} else if (classId == WrapperTypeInfo::ObjectClassId) {
type->visitDOMWrapper(m_isolate, toScriptWrappableBase(*wrapper), v8::Persistent<v8::Object>::Cast(*value));
} else {
ASSERT_NOT_REACHED();
}
}
NPObject* v8ObjectToNPObject(v8::Handle<v8::Object> object)
{
return reinterpret_cast<NPObject*>(toScriptWrappableBase(object));
}
