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/base/namespace.h>
22 #include <meta/ext/event_impl.h>
23 #include <meta/ext/implementation_macros.h>
24 #include <meta/ext/object_fwd.h>
25 #include <meta/interface/builtin_objects.h>
26 #include <meta/interface/loaders/intf_class_content_loader.h>
27
META_BEGIN_NAMESPACE()28 META_BEGIN_NAMESPACE()
29
30 class ClassContentLoader final : public IntroduceInterfaces<ObjectFwd, IClassContentLoader> {
31 META_OBJECT(ClassContentLoader, ClassId::ClassContentLoader, IntroduceInterfaces)
32 public:
33 bool Build(const IMetadata::Ptr& data) override;
34
35 META_BEGIN_STATIC_DATA()
36 META_STATIC_PROPERTY_DATA(IClassContentLoader, ObjectId, ClassId)
37 META_STATIC_EVENT_DATA(IDynamicContentLoader, IOnChanged, ContentChanged)
38 META_END_STATIC_DATA()
39 META_IMPLEMENT_PROPERTY(ObjectId, ClassId)
40 META_IMPLEMENT_EVENT(IOnChanged, ContentChanged)
41
42 public: // IDynamicContentLoader
43 void Reload() override;
44
45 public: // IContentLoader
46 IObject::Ptr Create(const IObject::Ptr& params) override;
47
48 private:
49 PropertyChangedEventHandler classIdChangedHandler_;
50 };
51
52 META_END_NAMESPACE()
53
54 #endif
55