1 /*
<lambda>null2  * 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.settingslib.statusbar.notification.data.repository
18 
19 import android.app.NotificationManager
20 import android.content.BroadcastReceiver
21 import android.content.Context
22 import android.content.Intent
23 import android.content.IntentFilter
24 import com.android.settingslib.statusbar.notification.data.model.ZenMode
25 import kotlin.coroutines.CoroutineContext
26 import kotlinx.coroutines.CoroutineScope
27 import kotlinx.coroutines.channels.awaitClose
28 import kotlinx.coroutines.flow.SharingStarted
29 import kotlinx.coroutines.flow.StateFlow
30 import kotlinx.coroutines.flow.callbackFlow
31 import kotlinx.coroutines.flow.filter
32 import kotlinx.coroutines.flow.flowOn
33 import kotlinx.coroutines.flow.map
34 import kotlinx.coroutines.flow.onStart
35 import kotlinx.coroutines.flow.shareIn
36 import kotlinx.coroutines.flow.stateIn
37 import kotlinx.coroutines.launch
38 
39 /** Provides state of volume policy and restrictions imposed by notifications. */
40 interface NotificationsSoundPolicyRepository {
41 
42     /** @see NotificationManager.getNotificationPolicy */
43     val notificationPolicy: StateFlow<NotificationManager.Policy?>
44 
45     /** @see NotificationManager.getZenMode */
46     val zenMode: StateFlow<ZenMode?>
47 }
48 
49 class NotificationsSoundPolicyRepositoryImpl(
50     private val context: Context,
51     private val notificationManager: NotificationManager,
52     scope: CoroutineScope,
53     backgroundCoroutineContext: CoroutineContext,
54 ) : NotificationsSoundPolicyRepository {
55 
56     private val notificationBroadcasts =
<lambda>null57         callbackFlow {
58                 val receiver =
59                     object : BroadcastReceiver() {
60                         override fun onReceive(context: Context?, intent: Intent?) {
61                             intent?.action?.let { action -> launch { send(action) } }
62                         }
63                     }
64 
65                 context.registerReceiver(
66                     receiver,
67                     IntentFilter().apply {
68                         addAction(NotificationManager.ACTION_INTERRUPTION_FILTER_CHANGED)
69                         addAction(NotificationManager.ACTION_NOTIFICATION_POLICY_CHANGED)
70                     }
71                 )
72 
73                 awaitClose { context.unregisterReceiver(receiver) }
74             }
75             .shareIn(
76                 started = SharingStarted.WhileSubscribed(),
77                 scope = scope,
78             )
79 
80     override val notificationPolicy: StateFlow<NotificationManager.Policy?> =
81         notificationBroadcasts
<lambda>null82             .filter { NotificationManager.ACTION_NOTIFICATION_POLICY_CHANGED == it }
<lambda>null83             .map { notificationManager.consolidatedNotificationPolicy }
<lambda>null84             .onStart { emit(notificationManager.consolidatedNotificationPolicy) }
85             .flowOn(backgroundCoroutineContext)
86             .stateIn(scope, SharingStarted.WhileSubscribed(), null)
87 
88     override val zenMode: StateFlow<ZenMode?> =
89         notificationBroadcasts
<lambda>null90             .filter { NotificationManager.ACTION_INTERRUPTION_FILTER_CHANGED == it }
<lambda>null91             .map { ZenMode(notificationManager.zenMode) }
<lambda>null92             .onStart { emit(ZenMode(notificationManager.zenMode)) }
93             .flowOn(backgroundCoroutineContext)
94             .stateIn(scope, SharingStarted.WhileSubscribed(), null)
95 }
96