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 #ifndef META_SRC_LOADERS_CLASS_CONTENT_LOADER_H 17 #define META_SRC_LOADERS_CLASS_CONTENT_LOADER_H 18 19 #include <meta/api/property/property_event_handler.h> 20 #include <meta/base/meta_types.h> 21 #include <meta/ext/event_impl.h> 22 #include <meta/ext/object.h> 23 #include <meta/interface/builtin_objects.h> 24 #include <meta/interface/loaders/intf_class_content_loader.h> 25 26 META_BEGIN_NAMESPACE() 27 28 class ClassContentLoader final 29 : public ObjectFwd<ClassContentLoader, ClassId::ClassContentLoader, ClassId::Object, IClassContentLoader> { 30 META_IMPLEMENT_INTERFACE_PROPERTY(IClassContentLoader, ObjectId, ClassId) 31 public: 32 bool Build(const IMetadata::Ptr& data) override; 33 34 public: // IDynamicContentLoader 35 META_IMPLEMENT_INTERFACE_EVENT(IDynamicContentLoader, IOnChanged, ContentChanged) 36 void Reload() override; 37 38 public: // IContentLoader 39 IObject::Ptr Create(const IObject::Ptr& params) override; 40 41 private: 42 PropertyChangedEventHandler classIdChangedHandler_; 43 }; 44 45 META_END_NAMESPACE() 46 47 #endif 48