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.settings.deviceinfo.simstatus
18 
19 import android.content.Context
20 import android.telephony.CarrierConfigManager
21 import android.telephony.SubscriptionManager
22 import androidx.lifecycle.Lifecycle
23 import androidx.lifecycle.LifecycleOwner
24 import androidx.lifecycle.lifecycleScope
25 import androidx.lifecycle.repeatOnLifecycle
26 import com.android.settings.network.telephony.SimSlotRepository
27 import com.android.settings.network.telephony.ims.ImsMmTelRepository
28 import com.android.settings.network.telephony.ims.ImsMmTelRepositoryImpl
29 import com.android.settings.network.telephony.safeGetConfig
30 import kotlinx.coroutines.Dispatchers
31 import kotlinx.coroutines.ExperimentalCoroutinesApi
32 import kotlinx.coroutines.flow.Flow
33 import kotlinx.coroutines.flow.combine
34 import kotlinx.coroutines.flow.conflate
35 import kotlinx.coroutines.flow.flatMapLatest
36 import kotlinx.coroutines.flow.flow
37 import kotlinx.coroutines.flow.flowOf
38 import kotlinx.coroutines.flow.flowOn
39 import kotlinx.coroutines.launch
40 
41 @OptIn(ExperimentalCoroutinesApi::class)
42 class SimStatusDialogRepository @JvmOverloads constructor(
43     private val context: Context,
44     private val simSlotRepository: SimSlotRepository = SimSlotRepository(context),
45     private val signalStrengthRepository: SignalStrengthRepository =
46         SignalStrengthRepository(context),
47     private val imsMmTelRepositoryFactory: (subId: Int) -> ImsMmTelRepository = { subId ->
48         ImsMmTelRepositoryImpl(context, subId)
49     },
50 ) {
51     private val carrierConfigManager = context.getSystemService(CarrierConfigManager::class.java)!!
52 
53     data class SimStatusDialogInfo(
54         val signalStrength: String? = null,
55         val imsRegistered: Boolean? = null,
56     )
57 
58     private data class SimStatusDialogVisibility(
59         val signalStrengthShowUp: Boolean,
60         val imsRegisteredShowUp: Boolean,
61     )
62 
collectSimStatusDialogInfonull63     fun collectSimStatusDialogInfo(
64         lifecycleOwner: LifecycleOwner,
65         simSlotIndex: Int,
66         action: (info: SimStatusDialogInfo) -> Unit,
67     ) {
68         lifecycleOwner.lifecycleScope.launch {
69             lifecycleOwner.repeatOnLifecycle(Lifecycle.State.STARTED) {
70                 simStatusDialogInfoBySlotFlow(simSlotIndex).collect(action)
71             }
72         }
73     }
74 
simStatusDialogInfoBySlotFlownull75     private fun simStatusDialogInfoBySlotFlow(simSlotIndex: Int): Flow<SimStatusDialogInfo> =
76         simSlotRepository.subIdInSimSlotFlow(simSlotIndex)
77             .flatMapLatest { subId ->
78                 if (SubscriptionManager.isValidSubscriptionId(subId)) {
79                     simStatusDialogInfoFlow(subId)
80                 } else {
81                     flowOf(SimStatusDialogInfo())
82                 }
83             }
84             .conflate()
85             .flowOn(Dispatchers.Default)
86 
simStatusDialogInfoFlownull87     private fun simStatusDialogInfoFlow(subId: Int): Flow<SimStatusDialogInfo> =
88         showUpFlow(subId).flatMapLatest { visibility ->
89             combine(
90                 if (visibility.signalStrengthShowUp) {
91                     signalStrengthRepository.signalStrengthDisplayFlow(subId)
92                 } else flowOf(null),
93                 if (visibility.imsRegisteredShowUp) {
94                     imsMmTelRepositoryFactory(subId).imsRegisteredFlow()
95                 } else flowOf(null),
96             ) { signalStrength, imsRegistered ->
97                 SimStatusDialogInfo(signalStrength = signalStrength, imsRegistered = imsRegistered)
98             }
99         }
100 
<lambda>null101     private fun showUpFlow(subId: Int) = flow {
102         val config = carrierConfigManager.safeGetConfig(
103             keys = listOf(
104                 CarrierConfigManager.KEY_SHOW_SIGNAL_STRENGTH_IN_SIM_STATUS_BOOL,
105                 CarrierConfigManager.KEY_SHOW_IMS_REGISTRATION_STATUS_BOOL,
106             ),
107             subId = subId,
108         )
109         val visibility = SimStatusDialogVisibility(
110             signalStrengthShowUp = config.getBoolean(
111                 CarrierConfigManager.KEY_SHOW_SIGNAL_STRENGTH_IN_SIM_STATUS_BOOL,
112                 true,  // by default we show the signal strength in sim status
113             ),
114             imsRegisteredShowUp = config.getBoolean(
115                 CarrierConfigManager.KEY_SHOW_IMS_REGISTRATION_STATUS_BOOL
116             ),
117         )
118         emit(visibility)
119     }
120 }
121