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.ims 18 19 import android.content.Context 20 import android.telephony.AccessNetworkConstants.TransportType 21 import android.telephony.ims.feature.MmTelFeature.MmTelCapabilities.MmTelCapability 22 import android.telephony.ims.stub.ImsRegistrationImplBase.ImsRegistrationTech 23 import com.android.settings.network.telephony.subscriptionsChangedFlow 24 import kotlinx.coroutines.ExperimentalCoroutinesApi 25 import kotlinx.coroutines.flow.Flow 26 import kotlinx.coroutines.flow.combine 27 import kotlinx.coroutines.flow.flatMapLatest 28 29 /** 30 * A repository for the IMS feature. 31 * 32 * @throws IllegalArgumentException if the [subId] is invalid. 33 */ 34 @OptIn(ExperimentalCoroutinesApi::class) 35 class ImsFeatureRepository( 36 private val context: Context, 37 private val subId: Int, 38 private val provisioningRepository: ProvisioningRepository = ProvisioningRepository(context), 39 private val imsMmTelRepository: ImsMmTelRepository = ImsMmTelRepositoryImpl(context, subId) 40 ) { 41 /** 42 * A cold flow that determines the provisioning status for the specified IMS MmTel capability, 43 * and whether or not the requested MmTel capability is supported by the carrier on the 44 * specified network transport. 45 * 46 * @return true if the feature is provisioned and supported, false otherwise. 47 */ 48 fun isReadyFlow( 49 @MmTelCapability capability: Int, 50 @ImsRegistrationTech tech: Int, 51 @TransportType transportType: Int, 52 ): Flow<Boolean> = 53 context.subscriptionsChangedFlow().flatMapLatest { 54 combine( 55 provisioningRepository.imsFeatureProvisionedFlow(subId, capability, tech), 56 imsMmTelRepository.isSupportedFlow(capability, transportType), 57 ) { imsFeatureProvisioned, isSupported -> 58 imsFeatureProvisioned && isSupported 59 } 60 } 61 } 62