1 /* <lambda>null2 * Copyright (C) 2023 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.deviceentry.domain.interactor 18 19 import com.android.systemui.dagger.SysUISingleton 20 import com.android.systemui.deviceentry.shared.DeviceEntryBiometricMode 21 import com.android.systemui.deviceentry.shared.model.FailedFaceAuthenticationStatus 22 import com.android.systemui.keyguard.data.repository.BiometricSettingsRepository 23 import javax.inject.Inject 24 import kotlinx.coroutines.flow.Flow 25 import kotlinx.coroutines.flow.combine 26 import kotlinx.coroutines.flow.emptyFlow 27 import kotlinx.coroutines.flow.filterIsInstance 28 import kotlinx.coroutines.flow.flatMapLatest 29 import kotlinx.coroutines.flow.map 30 31 /** Business logic for device entry biometric states that may differ based on the biometric mode. */ 32 @SysUISingleton 33 class DeviceEntryBiometricAuthInteractor 34 @Inject 35 constructor( 36 biometricSettingsRepository: BiometricSettingsRepository, 37 deviceEntryFaceAuthInteractor: DeviceEntryFaceAuthInteractor, 38 ) { 39 private val biometricMode: Flow<DeviceEntryBiometricMode> = 40 combine( 41 biometricSettingsRepository.isFingerprintEnrolledAndEnabled, 42 biometricSettingsRepository.isFaceAuthEnrolledAndEnabled, 43 ) { fingerprintEnrolled, faceEnrolled -> 44 if (fingerprintEnrolled && faceEnrolled) { 45 DeviceEntryBiometricMode.CO_EXPERIENCE 46 } else if (fingerprintEnrolled) { 47 DeviceEntryBiometricMode.FINGERPRINT_ONLY 48 } else if (faceEnrolled) { 49 DeviceEntryBiometricMode.FACE_ONLY 50 } else { 51 DeviceEntryBiometricMode.NONE 52 } 53 } 54 private val faceOnly: Flow<Boolean> = 55 biometricMode.map { it == DeviceEntryBiometricMode.FACE_ONLY } 56 57 /** 58 * Triggered if face is the only biometric that can be used for device entry and a face failure 59 * occurs. 60 */ 61 val faceOnlyFaceFailure: Flow<FailedFaceAuthenticationStatus> = 62 faceOnly.flatMapLatest { faceOnly -> 63 if (faceOnly) { 64 deviceEntryFaceAuthInteractor.authenticationStatus.filterIsInstance< 65 FailedFaceAuthenticationStatus 66 >() 67 } else { 68 emptyFlow() 69 } 70 } 71 } 72