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.qs.tiles.impl.alarm.domain.interactor
18 
19 import android.os.UserHandle
20 import com.android.systemui.common.coroutine.ConflatedCallbackFlow
21 import com.android.systemui.qs.tiles.base.interactor.DataUpdateTrigger
22 import com.android.systemui.qs.tiles.base.interactor.QSTileDataInteractor
23 import com.android.systemui.qs.tiles.impl.alarm.domain.model.AlarmTileModel
24 import com.android.systemui.statusbar.policy.NextAlarmController
25 import com.android.systemui.util.time.DateFormatUtil
26 import javax.inject.Inject
27 import kotlinx.coroutines.channels.awaitClose
28 import kotlinx.coroutines.flow.Flow
29 import kotlinx.coroutines.flow.flowOf
30 
31 /** Observes alarm state changes providing the [AlarmTileModel]. */
32 class AlarmTileDataInteractor
33 @Inject
34 constructor(
35     private val alarmController: NextAlarmController,
36     private val dateFormatUtil: DateFormatUtil
37 ) : QSTileDataInteractor<AlarmTileModel> {
38 
tileDatanull39     override fun tileData(
40         user: UserHandle,
41         triggers: Flow<DataUpdateTrigger>
42     ): Flow<AlarmTileModel> =
43         ConflatedCallbackFlow.conflatedCallbackFlow {
44             val alarmCallback =
45                 NextAlarmController.NextAlarmChangeCallback {
46                     val model =
47                         if (it == null) AlarmTileModel.NoAlarmSet
48                         else AlarmTileModel.NextAlarmSet(dateFormatUtil.is24HourFormat, it)
49                     trySend(model)
50                 }
51             alarmController.addCallback(alarmCallback)
52 
53             awaitClose { alarmController.removeCallback(alarmCallback) }
54         }
55 
availabilitynull56     override fun availability(user: UserHandle): Flow<Boolean> = flowOf(true)
57 }
58