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 17 package com.android.settings.biometrics.fingerprint2.data.repository 18 19 import kotlinx.coroutines.flow.Flow 20 import kotlinx.coroutines.flow.MutableStateFlow 21 import kotlinx.coroutines.flow.asStateFlow 22 import kotlinx.coroutines.flow.flowOf 23 import kotlinx.coroutines.flow.update 24 25 /** 26 * A repository responsible for indicating the current user. 27 */ 28 interface UserRepo { 29 /** 30 * This flow indicates the current user. 31 */ 32 val currentUser: Flow<Int> 33 34 /** 35 * Updates the current user. 36 */ updateUsernull37 fun updateUser(user: Int) 38 } 39 40 class UserRepoImpl(currUser: Int): UserRepo { 41 private val _currentUser = MutableStateFlow(currUser) 42 override val currentUser = _currentUser.asStateFlow() 43 44 override fun updateUser(user: Int) { 45 _currentUser.update { user } 46 } 47 } 48