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