1 /* 2 * Copyright (C) 2022 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.systemui.statusbar.pipeline.mobile.data.repository 18 19 import com.android.systemui.common.coroutine.ConflatedCallbackFlow.conflatedCallbackFlow 20 import com.android.systemui.dagger.SysUISingleton 21 import com.android.systemui.dagger.qualifiers.Application 22 import com.android.systemui.dagger.qualifiers.Background 23 import com.android.systemui.statusbar.policy.DeviceProvisionedController 24 import javax.inject.Inject 25 import kotlinx.coroutines.CoroutineDispatcher 26 import kotlinx.coroutines.CoroutineScope 27 import kotlinx.coroutines.ExperimentalCoroutinesApi 28 import kotlinx.coroutines.channels.awaitClose 29 import kotlinx.coroutines.flow.SharingStarted 30 import kotlinx.coroutines.flow.StateFlow 31 import kotlinx.coroutines.flow.mapLatest 32 import kotlinx.coroutines.flow.onStart 33 import kotlinx.coroutines.flow.stateIn 34 import kotlinx.coroutines.withContext 35 36 /** 37 * Repository to observe the state of [DeviceProvisionedController.isUserSetup]. This information 38 * can change some policy related to display 39 */ 40 interface UserSetupRepository { 41 /** Observable tracking [DeviceProvisionedController.isUserSetup] */ 42 val isUserSetupFlow: StateFlow<Boolean> 43 } 44 45 @Suppress("EXPERIMENTAL_IS_NOT_ENABLED") 46 @OptIn(ExperimentalCoroutinesApi::class) 47 @SysUISingleton 48 class UserSetupRepositoryImpl 49 @Inject 50 constructor( 51 private val deviceProvisionedController: DeviceProvisionedController, 52 @Background private val bgDispatcher: CoroutineDispatcher, 53 @Application scope: CoroutineScope, 54 ) : UserSetupRepository { 55 /** State flow that tracks [DeviceProvisionedController.isUserSetup] */ 56 override val isUserSetupFlow: StateFlow<Boolean> = 57 conflatedCallbackFlow { 58 val callback = 59 object : DeviceProvisionedController.DeviceProvisionedListener { 60 override fun onUserSetupChanged() { 61 trySend(Unit) 62 } 63 } 64 65 deviceProvisionedController.addCallback(callback) 66 67 awaitClose { deviceProvisionedController.removeCallback(callback) } 68 } 69 .onStart { emit(Unit) } 70 .mapLatest { fetchUserSetupState() } 71 .stateIn(scope, started = SharingStarted.WhileSubscribed(), initialValue = false) 72 73 private suspend fun fetchUserSetupState(): Boolean = 74 withContext(bgDispatcher) { deviceProvisionedController.isCurrentUserSetup } 75 } 76