1 /*
<lambda>null2  * 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.biometrics.data.repository
18 
19 import android.os.Handler
20 import com.android.systemui.dagger.SysUISingleton
21 import com.android.systemui.dagger.qualifiers.Main
22 import com.android.systemui.util.settings.SecureSettings
23 import java.util.concurrent.ConcurrentHashMap
24 import javax.inject.Inject
25 
26 /**
27  * Repository for the global state of users Face Unlock preferences.
28  *
29  * Largely a wrapper around [SecureSettings]'s proxy to Settings.Secure.
30  */
31 interface FaceSettingsRepository {
32 
33     /** Get Settings for the given user [id]. */
34     fun forUser(id: Int?): FaceUserSettingsRepository
35 }
36 
37 @SysUISingleton
38 class FaceSettingsRepositoryImpl
39 @Inject
40 constructor(
41     @Main private val mainHandler: Handler,
42     private val secureSettings: SecureSettings,
43 ) : FaceSettingsRepository {
44 
45     private val userSettings = ConcurrentHashMap<Int, FaceUserSettingsRepository>()
46 
forUsernull47     override fun forUser(id: Int?): FaceUserSettingsRepository =
48         if (id != null) {
49             userSettings.computeIfAbsent(id) { _ ->
50                 FaceUserSettingsRepositoryImpl(id, mainHandler, secureSettings).also { repo ->
51                     repo.start()
52                 }
53             }
54         } else {
55             FaceUserSettingsRepositoryImpl.Empty
56         }
57 }
58