void List<T>::shift(ContextType ctx, ObjectType this_object, size_t argc, const ValueType arguments[], ReturnValue &return_value) {
validate_argument_count(argc, 0);
auto list = get_internal<T, ListClass<T>>(this_object);
if (list->size() == 0) {
list->verify_in_transaction();
return_value.set_undefined();
}
else {
auto realm_object = realm::Object(list->get_realm(), list->get_object_schema(), list->get(0));
return_value.set(RealmObject<T>::create_instance(ctx, realm_object));
list->remove(0);
}
}
void ListClass<T>::pop(ContextType ctx, FunctionType, ObjectType this_object, size_t argc, const ValueType arguments[], ReturnValue &return_value) {
validate_argument_count(argc, 0);
auto list = get_internal<T, ListClass<T>>(this_object);
size_t size = list->size();
if (size == 0) {
list->verify_in_transaction();
return_value.set_undefined();
}
else {
size_t index = size - 1;
auto realm_object = realm::Object(list->get_realm(), list->get_object_schema(), list->get(index));
return_value.set(RealmObjectClass<T>::create_instance(ctx, std::move(realm_object)));
list->remove(index);
}
}
void ListClass<T>::remove_listener(ContextType ctx, FunctionType, ObjectType this_object, size_t argc, const ValueType arguments[], ReturnValue &return_value) {
validate_argument_count(argc, 1);
auto list = get_internal<T, ListClass<T>>(this_object);
auto callback = Value::validated_to_function(ctx, arguments[0]);
auto protected_function = Protected<FunctionType>(ctx, callback);
auto iter = list->m_notification_tokens.begin();
typename Protected<FunctionType>::Comparator compare;
while (iter != list->m_notification_tokens.end()) {
if(compare(iter->first, protected_function)) {
iter = list->m_notification_tokens.erase(iter);
}
else {
iter++;
}
}
}
void ListClass<T>::add_listener(ContextType ctx, FunctionType, ObjectType this_object, size_t argc, const ValueType arguments[], ReturnValue &return_value) {
validate_argument_count(argc, 1);
auto list = get_internal<T, ListClass<T>>(this_object);
auto callback = Value::validated_to_function(ctx, arguments[0]);
Protected<FunctionType> protected_callback(ctx, callback);
Protected<ObjectType> protected_this(ctx, this_object);
Protected<typename T::GlobalContext> protected_ctx(Context<T>::get_global_context(ctx));
auto token = list->add_notification_callback([=](CollectionChangeSet change_set, std::exception_ptr exception) {
HANDLESCOPE
ValueType arguments[2];
arguments[0] = static_cast<ObjectType>(protected_this);
arguments[1] = CollectionClass<T>::create_collection_change_set(protected_ctx, change_set);
Function<T>::callback(protected_ctx, protected_callback, protected_this, 2, arguments);
});
list->m_notification_tokens.emplace_back(protected_callback, std::move(token));
}
void List<T>::sorted(ContextType ctx, ObjectType this_object, size_t argc, const ValueType arguments[], ReturnValue &return_value) {
validate_argument_count(argc, 1, 2);
auto list = get_internal<T, ListClass<T>>(this_object);
return_value.set(Results<T>::create_sorted(ctx, *list, argc, arguments));
}
void List<T>::snapshot(ContextType ctx, ObjectType this_object, size_t argc, const ValueType arguments[], ReturnValue &return_value) {
validate_argument_count(argc, 0);
auto list = get_internal<T, ListClass<T>>(this_object);
return_value.set(Results<T>::create_instance(ctx, *list, false));
}
void ListClass<T>::remove_all_listeners(ContextType ctx, FunctionType, ObjectType this_object, size_t argc, const ValueType arguments[], ReturnValue &return_value) {
validate_argument_count(argc, 0);
auto list = get_internal<T, ListClass<T>>(this_object);
list->m_notification_tokens.clear();
}
