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.biometrics.domain.interactor.FingerprintPropertyInteractor 20 import com.android.systemui.biometrics.shared.model.SensorLocation 21 import com.android.systemui.dagger.SysUISingleton 22 import com.android.systemui.keyguard.data.repository.BiometricSettingsRepository 23 import com.android.systemui.keyguard.data.repository.DeviceEntryFingerprintAuthRepository 24 import javax.inject.Inject 25 import kotlinx.coroutines.ExperimentalCoroutinesApi 26 import kotlinx.coroutines.flow.Flow 27 import kotlinx.coroutines.flow.StateFlow 28 import kotlinx.coroutines.flow.combine 29 import kotlinx.coroutines.flow.flatMapLatest 30 import kotlinx.coroutines.flow.flowOf 31 32 /** Encapsulates business logic for device entry under-display fingerprint state changes. */ 33 @ExperimentalCoroutinesApi 34 @SysUISingleton 35 class DeviceEntryUdfpsInteractor 36 @Inject 37 constructor( 38 fingerprintPropertyInteractor: FingerprintPropertyInteractor, 39 // TODO (b/309655554): create & use interactors for these repositories 40 fingerprintAuthRepository: DeviceEntryFingerprintAuthRepository, 41 biometricSettingsRepository: BiometricSettingsRepository, 42 ) { 43 /** Whether the device supports an under display fingerprint sensor. */ 44 val isUdfpsSupported: StateFlow<Boolean> = fingerprintPropertyInteractor.isUdfps 45 46 /** Whether the under-display fingerprint sensor is enrolled and enabled for device entry. */ 47 val isUdfpsEnrolledAndEnabled: Flow<Boolean> = 48 combine(isUdfpsSupported, biometricSettingsRepository.isFingerprintEnrolledAndEnabled) { 49 udfps, 50 fpEnrolledAndEnabled -> 51 udfps && fpEnrolledAndEnabled 52 } 53 /** Whether the under display fingerprint sensor is currently running. */ 54 val isListeningForUdfps = 55 isUdfpsSupported.flatMapLatest { isUdfps -> 56 if (isUdfps) { 57 fingerprintAuthRepository.isRunning 58 } else { 59 flowOf(false) 60 } 61 } 62 63 /** 64 * Location of the under-display fingerprint sensor on the display. Null if the device does not 65 * support UDFPS. 66 */ 67 val udfpsLocation: Flow<SensorLocation?> = 68 isUdfpsSupported.flatMapLatest { 69 if (it) { 70 fingerprintPropertyInteractor.sensorLocation 71 } else { 72 flowOf(null) 73 } 74 } 75 } 76