1 /*
2  * Copyright (C) 2023 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 package com.android.systemui.statusbar.notification.stack.ui.viewmodel
18 
19 import com.android.systemui.dagger.SysUISingleton
20 import com.android.systemui.flags.FeatureFlags
21 import com.android.systemui.flags.Flags
22 import com.android.systemui.statusbar.notification.shelf.ui.viewmodel.NotificationShelfViewModel
23 import dagger.Module
24 import dagger.Provides
25 import java.util.Optional
26 import javax.inject.Provider
27 
28 /** ViewModel for the list of notifications. */
29 class NotificationListViewModel(
30     val shelf: NotificationShelfViewModel,
31 )
32 
33 @Module
34 object NotificationListViewModelModule {
35     @JvmStatic
36     @Provides
37     @SysUISingleton
38     fun maybeProvideViewModel(
39         featureFlags: FeatureFlags,
40         shelfViewModel: Provider<NotificationShelfViewModel>,
41     ): Optional<NotificationListViewModel> =
42         if (featureFlags.isEnabled(Flags.NOTIFICATION_SHELF_REFACTOR)) {
43             Optional.of(NotificationListViewModel(shelfViewModel.get()))
44         } else {
45             Optional.empty()
46         }
47 }
48