1 /* 2 * 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 package com.android.settings.wifi.calling 17 18 import android.content.Context 19 import android.os.Bundle 20 import android.telephony.SubscriptionManager.getDefaultSubscriptionId 21 import android.telephony.SubscriptionManager.isValidSubscriptionId 22 import com.android.settings.R 23 import com.android.settings.flags.Flags 24 import com.android.settings.network.SubscriptionUtil 25 import com.android.settings.network.telephony.wificalling.WifiCallingRepository 26 import com.android.settings.wifi.calling.WifiCallingSettingsForSub.EXTRA_SUB_ID 27 import com.android.settingslib.metadata.PreferenceAvailabilityProvider 28 import com.android.settingslib.metadata.ProvidePreferenceScreen 29 import com.android.settingslib.metadata.preferenceHierarchy 30 import com.android.settingslib.preference.PreferenceScreenCreator 31 import kotlinx.coroutines.flow.Flow 32 import kotlinx.coroutines.flow.asFlow 33 import kotlinx.coroutines.flow.filter 34 import kotlinx.coroutines.flow.first 35 import kotlinx.coroutines.flow.flowOf 36 import kotlinx.coroutines.flow.map 37 import kotlinx.coroutines.flow.merge 38 39 @ProvidePreferenceScreen(WifiCallingScreen.KEY, parameterized = true, parameterizedMigration = true) 40 class WifiCallingScreen(override val arguments: Bundle) : 41 PreferenceScreenCreator, PreferenceAvailabilityProvider { 42 43 private val subId = arguments.getInt(EXTRA_SUB_ID, getDefaultSubscriptionId()) 44 45 override val key: String 46 get() = KEY 47 48 override val title: Int 49 get() = R.string.wifi_calling_settings_title 50 51 override val summary: Int 52 get() = R.string.wifi_calling_summary 53 isAvailablenull54 override fun isAvailable(context: Context) = isValidSubscriptionId(subId) 55 56 override fun isFlagEnabled(context: Context) = Flags.catalystWifiCalling() 57 58 override fun fragmentClass() = WifiCallingSettingsForSub::class.java 59 60 override fun hasCompleteHierarchy() = false 61 62 override fun getPreferenceHierarchy(context: Context) = 63 preferenceHierarchy(context, this) { +WifiCallingMainSwitchPreference(subId) } 64 65 companion object { 66 const val KEY = "wifi_calling" 67 68 /** 69 * Provides arguments to generate [WifiCallingScreen]. 70 * 71 * This method is used by annotation processor to produce 72 * `PreferenceScreenMetadataParameterizedFactory`). 73 */ 74 @JvmStatic parametersnull75 fun parameters(context: Context): Flow<Bundle> { 76 fun Int.toArguments() = Bundle(1).also { it.putInt(EXTRA_SUB_ID, this) } 77 // handle backward compatibility with default subscription id 78 val defaultSubId = getDefaultSubscriptionId() 79 val flow = 80 SubscriptionUtil.getSelectableSubscriptionInfoList(context) 81 .asFlow() 82 .filter { 83 val subId = it.subscriptionId 84 subId != defaultSubId && 85 WifiCallingRepository(context, subId).wifiCallingReadyFlow().first() 86 } 87 .map { it.subscriptionId.toArguments() } 88 // Bundle.EMPTY is for backward compatibility 89 return when { 90 isValidSubscriptionId(defaultSubId) -> merge(flowOf(Bundle.EMPTY), flow) 91 else -> flow 92 } 93 } 94 } 95 } 96