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.network.telephony.wificalling 18 19 import android.content.Context 20 import android.telephony.AccessNetworkConstants 21 import android.telephony.CarrierConfigManager 22 import android.telephony.CarrierConfigManager.KEY_USE_WFC_HOME_NETWORK_MODE_IN_ROAMING_NETWORK_BOOL 23 import android.telephony.SubscriptionManager 24 import android.telephony.TelephonyManager 25 import android.telephony.ims.ImsMmTelManager.WiFiCallingMode 26 import android.telephony.ims.feature.MmTelFeature 27 import android.telephony.ims.stub.ImsRegistrationImplBase 28 import com.android.settings.network.telephony.ims.ImsMmTelRepository 29 import com.android.settings.network.telephony.ims.ImsMmTelRepositoryImpl 30 import com.android.settings.network.telephony.ims.imsFeatureProvisionedFlow 31 import com.android.settings.network.telephony.subscriptionsChangedFlow 32 import kotlinx.coroutines.Dispatchers 33 import kotlinx.coroutines.ExperimentalCoroutinesApi 34 import kotlinx.coroutines.flow.Flow 35 import kotlinx.coroutines.flow.combine 36 import kotlinx.coroutines.flow.flatMapLatest 37 import kotlinx.coroutines.flow.flowOf 38 import kotlinx.coroutines.flow.map 39 import kotlinx.coroutines.withContext 40 41 class WifiCallingRepository( 42 private val context: Context, 43 private val subId: Int, 44 private val imsMmTelRepository: ImsMmTelRepository = ImsMmTelRepositoryImpl(context, subId) 45 ) { 46 private val telephonyManager = context.getSystemService(TelephonyManager::class.java)!! 47 .createForSubscriptionId(subId) 48 49 private val carrierConfigManager = context.getSystemService(CarrierConfigManager::class.java)!! 50 51 @WiFiCallingMode 52 fun getWiFiCallingMode(): Int { 53 val useRoamingMode = telephonyManager.isNetworkRoaming && !useWfcHomeModeForRoaming() 54 return imsMmTelRepository.getWiFiCallingMode(useRoamingMode) 55 } 56 57 private fun useWfcHomeModeForRoaming(): Boolean = 58 carrierConfigManager 59 .getConfigForSubId(subId, KEY_USE_WFC_HOME_NETWORK_MODE_IN_ROAMING_NETWORK_BOOL) 60 .getBoolean(KEY_USE_WFC_HOME_NETWORK_MODE_IN_ROAMING_NETWORK_BOOL) 61 62 @OptIn(ExperimentalCoroutinesApi::class) 63 fun wifiCallingReadyFlow(): Flow<Boolean> { 64 if (!SubscriptionManager.isValidSubscriptionId(subId)) return flowOf(false) 65 return context.subscriptionsChangedFlow().flatMapLatest { 66 combine( 67 imsFeatureProvisionedFlow( 68 subId = subId, 69 capability = MmTelFeature.MmTelCapabilities.CAPABILITY_TYPE_VOICE, 70 tech = ImsRegistrationImplBase.REGISTRATION_TECH_IWLAN, 71 ), 72 isWifiCallingSupportedFlow(), 73 ) { imsFeatureProvisioned, isWifiCallingSupported -> 74 imsFeatureProvisioned && isWifiCallingSupported 75 } 76 } 77 } 78 79 private fun isWifiCallingSupportedFlow(): Flow<Boolean> { 80 return imsMmTelRepository.imsReadyFlow().map { imsReady -> 81 imsReady && isWifiCallingSupported() 82 } 83 } 84 85 suspend fun isWifiCallingSupported(): Boolean = withContext(Dispatchers.Default) { 86 imsMmTelRepository.isSupported( 87 capability = MmTelFeature.MmTelCapabilities.CAPABILITY_TYPE_VOICE, 88 transportType = AccessNetworkConstants.TRANSPORT_TYPE_WLAN, 89 ) 90 } 91 } 92