1 /* 2 * Copyright (c) 2024 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16 #include "class_content_loader.h" 17 18 #include <meta/interface/intf_object_registry.h> 19 META_BEGIN_NAMESPACE()20META_BEGIN_NAMESPACE() 21 22 bool ClassContentLoader::Build(const IMetadata::Ptr& data) 23 { 24 classIdChangedHandler_.Subscribe( 25 META_ACCESS_PROPERTY(ClassId), MakeCallback<IOnChanged>(this, &ClassContentLoader::Reload)); 26 return true; 27 } 28 Reload()29void ClassContentLoader::Reload() 30 { 31 Invoke<IOnChanged>(META_ACCESS_EVENT(ContentChanged)); 32 } 33 Create(const IObject::Ptr &)34IObject::Ptr ClassContentLoader::Create(const IObject::Ptr&) 35 { 36 const auto& id = META_ACCESS_PROPERTY(ClassId)->GetValue(); 37 38 if (id != BASE_NS::Uid {}) { 39 return META_NS::GetObjectRegistry().Create(id); 40 } 41 42 return {}; 43 } 44 45 META_END_NAMESPACE() 46