1 /* <lambda>null2 * 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.systemui.keyguard.data.repository 18 19 import android.annotation.IntDef 20 import android.content.res.Resources 21 import android.provider.Settings 22 import com.android.systemui.dagger.SysUISingleton 23 import com.android.systemui.dagger.qualifiers.Background 24 import com.android.systemui.dagger.qualifiers.Main 25 import com.android.systemui.dump.DumpManager 26 import com.android.systemui.keyguard.shared.model.DevicePosture 27 import com.android.systemui.keyguard.shared.model.DevicePosture.UNKNOWN 28 import com.android.systemui.res.R 29 import com.android.systemui.util.kotlin.FlowDumperImpl 30 import com.android.systemui.util.settings.repository.UserAwareSecureSettingsRepository 31 import javax.inject.Inject 32 import kotlinx.coroutines.CoroutineDispatcher 33 import kotlinx.coroutines.flow.Flow 34 import kotlinx.coroutines.flow.combine 35 import kotlinx.coroutines.flow.distinctUntilChanged 36 import kotlinx.coroutines.flow.flowOf 37 import kotlinx.coroutines.flow.flowOn 38 import kotlinx.coroutines.flow.map 39 40 @SysUISingleton 41 class KeyguardBypassRepository 42 @Inject 43 constructor( 44 @Main resources: Resources, 45 biometricSettingsRepository: BiometricSettingsRepository, 46 devicePostureRepository: DevicePostureRepository, 47 dumpManager: DumpManager, 48 secureSettingsRepository: UserAwareSecureSettingsRepository, 49 @Background backgroundDispatcher: CoroutineDispatcher, 50 ) : FlowDumperImpl(dumpManager) { 51 52 @get:BypassOverride 53 private val bypassOverride: Int by lazy { 54 resources.getInteger(R.integer.config_face_unlock_bypass_override) 55 } 56 57 private val configFaceAuthSupportedPosture: DevicePosture by lazy { 58 DevicePosture.toPosture(resources.getInteger(R.integer.config_face_auth_supported_posture)) 59 } 60 61 private var bypassEnabledSetting: Flow<Boolean> = 62 secureSettingsRepository 63 .boolSetting( 64 name = Settings.Secure.FACE_UNLOCK_DISMISSES_KEYGUARD, 65 defaultValue = 66 resources.getBoolean( 67 com.android.internal.R.bool.config_faceAuthDismissesKeyguard 68 ), 69 ) 70 .flowOn(backgroundDispatcher) 71 .dumpWhileCollecting("bypassEnabledSetting") 72 73 private val overrideFaceBypassSetting: Flow<Boolean> = 74 when (bypassOverride) { 75 FACE_UNLOCK_BYPASS_ALWAYS -> flowOf(true) 76 FACE_UNLOCK_BYPASS_NEVER -> flowOf(false) 77 else -> bypassEnabledSetting 78 } 79 80 private val isPostureAllowedForFaceAuth: Flow<Boolean> = 81 when (configFaceAuthSupportedPosture) { 82 UNKNOWN -> flowOf(true) 83 else -> 84 devicePostureRepository.currentDevicePosture 85 .map { posture -> posture == configFaceAuthSupportedPosture } 86 .distinctUntilChanged() 87 } 88 89 /** 90 * Whether bypass is available. 91 * 92 * Bypass is the ability to skip the lockscreen when the device is unlocked using non-primary 93 * authentication types like face unlock, instead of requiring the user to explicitly dismiss 94 * the lockscreen by swiping after the device is already unlocked. 95 * 96 * "Available" refers to a combination of the user setting to skip the lockscreen being set, 97 * whether hard-wired OEM-overridable configs allow the feature, whether a foldable is in the 98 * right foldable posture, and other such things. It does _not_ model this based on more 99 * runtime-like states of the UI. 100 */ 101 val isBypassAvailable: Flow<Boolean> = 102 combine( 103 overrideFaceBypassSetting, 104 biometricSettingsRepository.isFaceAuthEnrolledAndEnabled, 105 isPostureAllowedForFaceAuth, 106 ) { 107 bypassOverride: Boolean, 108 isFaceEnrolledAndEnabled: Boolean, 109 isPostureAllowedForFaceAuth: Boolean -> 110 bypassOverride && isFaceEnrolledAndEnabled && isPostureAllowedForFaceAuth 111 } 112 .distinctUntilChanged() 113 .dumpWhileCollecting("isBypassAvailable") 114 115 @IntDef(FACE_UNLOCK_BYPASS_NO_OVERRIDE, FACE_UNLOCK_BYPASS_ALWAYS, FACE_UNLOCK_BYPASS_NEVER) 116 @Retention(AnnotationRetention.SOURCE) 117 private annotation class BypassOverride 118 119 companion object { 120 private const val FACE_UNLOCK_BYPASS_NO_OVERRIDE = 0 121 private const val FACE_UNLOCK_BYPASS_ALWAYS = 1 122 private const val FACE_UNLOCK_BYPASS_NEVER = 2 123 124 private const val TAG = "KeyguardBypassRepository" 125 } 126 } 127