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)); }