1 /*
2  * Copyright (C) 2024 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.customization.picker.mode.data.repository
18 
19 import com.android.customization.picker.mode.shared.util.DarkModeUtil
20 import com.android.wallpaper.system.PowerManagerWrapper
21 import com.android.wallpaper.system.UiModeManagerWrapper
22 import javax.inject.Inject
23 import javax.inject.Singleton
24 import kotlinx.coroutines.flow.MutableStateFlow
25 import kotlinx.coroutines.flow.asStateFlow
26 import kotlinx.coroutines.flow.flowOf
27 import kotlinx.coroutines.flow.map
28 
29 @Singleton
30 class DarkModeRepository
31 @Inject
32 constructor(
33     darkModeUtil: DarkModeUtil,
34     private val uiModeManager: UiModeManagerWrapper,
35     private val powerManager: PowerManagerWrapper,
36 ) {
37     private val isPowerSaveMode = MutableStateFlow(powerManager.getIsPowerSaveMode() ?: false)
38 
39     private val isAvailable = darkModeUtil.isAvailable()
40 
41     val isEnabled =
42         if (isAvailable) {
<lambda>null43             isPowerSaveMode.map { !it }
44         } else flowOf(false)
45 
46     private val _isDarkMode = MutableStateFlow(uiModeManager.getIsNightModeActivated())
47     val isDarkMode = _isDarkMode.asStateFlow()
48 
setDarkModeActivatednull49     fun setDarkModeActivated(isActive: Boolean) {
50         uiModeManager.setNightModeActivated(isActive)
51         refreshIsDarkModeActivated()
52     }
53 
refreshIsDarkModeActivatednull54     fun refreshIsDarkModeActivated() {
55         _isDarkMode.value = uiModeManager.getIsNightModeActivated()
56     }
57 
refreshIsPowerSaveModeActivatednull58     fun refreshIsPowerSaveModeActivated() {
59         powerManager.getIsPowerSaveMode()?.let { isPowerSaveMode.value = it }
60     }
61 }
62