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 #include "container_data_model.h"
16 
17 #include <meta/api/make_callback.h>
18 
META_BEGIN_NAMESPACE()19 META_BEGIN_NAMESPACE()
20 
21 bool ContainerDataModel::Build(const IMetadata::Ptr&)
22 {
23     SetRequiredInterfaces({ IMetadata::UID });
24     OnAdded()->AddHandler(MakeCallback<IOnChildChanged>([this](const ChildChangedInfo& info) {
25         META_ACCESS_EVENT(OnDataAdded)->Invoke(DataModelIndex(info.index), 1);
26     }));
27     OnRemoved()->AddHandler(MakeCallback<IOnChildChanged>([this](const ChildChangedInfo& info) {
28         META_ACCESS_EVENT(OnDataRemoved)->Invoke(DataModelIndex(info.index), 1);
29     }));
30     OnMoved()->AddHandler(MakeCallback<IOnChildMoved>([this](const ChildMovedInfo& info) {
31         META_ACCESS_EVENT(OnDataMoved)->Invoke(DataModelIndex(info.from), 1, DataModelIndex(info.to));
32     }));
33     return true;
34 }
35 
GetModelData(const DataModelIndex & index) const36 IMetadata::ConstPtr ContainerDataModel::GetModelData(const DataModelIndex& index) const
37 {
38     return GetAt<IMetadata>(index.Index());
39 }
40 
GetModelData(const DataModelIndex & index)41 IMetadata::Ptr ContainerDataModel::GetModelData(const DataModelIndex& index)
42 {
43     return GetAt<IMetadata>(index.Index());
44 }
45 
GetSize(const DataModelIndex & index) const46 size_t ContainerDataModel::GetSize(const DataModelIndex& index) const
47 {
48     return ObjectContainerFwd::GetSize();
49 }
50 
51 META_END_NAMESPACE()
52