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Commit 80c14a30 authored by Caitlin Shkuratov's avatar Caitlin Shkuratov
Browse files

[CS] Add NoopDeviceEntryFaceAuthRepository. 

This is a precursor to ag/23672734, which makes
NotificationStackScrollLayoutController (NSSLC) a singleton.

NSSLC has DeviceEntryFaceAuthRepository as a transitive dependency
(NSSLC injects Optional<NotificationListVM>, which injects
NotificationShelfVM, which injects NotificationShelfInteractor, which
injects DeviceEntryFaceAuthRepository).

Previously, NotificationStackScrollLayoutController and its dependencies
were part of CentralSurfacesComponent, which was only created by
CentralSurfacesImpl which already had DeviceEntryFaceAuthRepository.
Making NSSLC a singleton requires moving those dependencies into
NotificationsModule, which is included in more than just
CentralSurfacesImpl -- specifically, the ARC project.

ARC currently doesn't provide any implementation of
DeviceEntryFaceAuthRepository. By adding this no-op implementation, ARC
can provide that dependency (ARC already includes the
KeyguardFaceAuthNotSupportedModule).

Bug: 277762009
Test: compiles
Change-Id: I68f9db9ed27c99109cab55a66fa3d9d3b7bb27c2
parent 6f4622fd

packages/SystemUI/src/com/android/systemui/keyguard/dagger/KeyguardFaceAuthNotSupportedModule.kt

+7 −0
Original line number Diff line number Diff line
@@ -16,6 +16,8 @@ 


package com.android.systemui.keyguard.dagger



import com.android.systemui.keyguard.data.repository.DeviceEntryFaceAuthRepository

import com.android.systemui.keyguard.data.repository.NoopDeviceEntryFaceAuthRepository

import com.android.systemui.keyguard.domain.interactor.KeyguardFaceAuthInteractor

import com.android.systemui.keyguard.domain.interactor.NoopKeyguardFaceAuthInteractor

import dagger.Binds
@@ -32,4 +34,9 @@ import dagger.Module 
interface KeyguardFaceAuthNotSupportedModule {

    @Binds

    fun keyguardFaceAuthInteractor(impl: NoopKeyguardFaceAuthInteractor): KeyguardFaceAuthInteractor



    @Binds

    fun deviceEntryFaceAuthRepository(

        impl: NoopDeviceEntryFaceAuthRepository

    ): DeviceEntryFaceAuthRepository

}

packages/SystemUI/src/com/android/systemui/keyguard/data/repository/NoopDeviceEntryFaceAuthRepository.kt

0 → 100644
+71 −0
Original line number Diff line number Diff line 
/*

 *   Copyright (C) 2023 The Android Open Source Project

 *

 *   Licensed under the Apache License, Version 2.0 (the "License");

 *   you may not use this file except in compliance with the License.

 *   You may obtain a copy of the License at

 *

 *        http://www.apache.org/licenses/LICENSE-2.0

 *

 *   Unless required by applicable law or agreed to in writing, software

 *   distributed under the License is distributed on an "AS IS" BASIS,

 *   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

 *   See the License for the specific language governing permissions and

 *   limitations under the License.

 */



package com.android.systemui.keyguard.data.repository



import com.android.keyguard.FaceAuthUiEvent

import com.android.systemui.dagger.SysUISingleton

import com.android.systemui.keyguard.shared.model.AuthenticationStatus

import com.android.systemui.keyguard.shared.model.DetectionStatus

import javax.inject.Inject

import kotlinx.coroutines.flow.Flow

import kotlinx.coroutines.flow.MutableStateFlow

import kotlinx.coroutines.flow.StateFlow

import kotlinx.coroutines.flow.emptyFlow



/**

 * Implementation of the repository that noops all face auth operations.

 *

 * This is required for SystemUI variants that do not support face authentication but still inject

 * other SysUI components that depend on [DeviceEntryFaceAuthRepository].

 */

@SysUISingleton

class NoopDeviceEntryFaceAuthRepository @Inject constructor() : DeviceEntryFaceAuthRepository {

    override val isAuthenticated: Flow<Boolean>

        get() = emptyFlow()



    private val _canRunFaceAuth = MutableStateFlow(false)

    override val canRunFaceAuth: StateFlow<Boolean> = _canRunFaceAuth



    override val authenticationStatus: Flow<AuthenticationStatus>

        get() = emptyFlow()



    override val detectionStatus: Flow<DetectionStatus>

        get() = emptyFlow()



    private val _isLockedOut = MutableStateFlow(false)

    override val isLockedOut: StateFlow<Boolean> = _isLockedOut



    private val _isAuthRunning = MutableStateFlow(false)

    override val isAuthRunning: StateFlow<Boolean> = _isAuthRunning



    override val isBypassEnabled: Flow<Boolean>

        get() = emptyFlow()



    /**

     * Trigger face authentication.

     *

     * [uiEvent] provided should be logged whenever face authentication runs. Invocation should be

     * ignored if face authentication is already running. Results should be propagated through

     * [authenticationStatus]

     *

     * Run only face detection when [fallbackToDetection] is true and [canRunFaceAuth] is false.

     */

    override suspend fun authenticate(uiEvent: FaceAuthUiEvent, fallbackToDetection: Boolean) {}



    /** Stop currently running face authentication or detection. */

    override fun cancel() {}

}