1 /* 2 * Copyright (C) 2021 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 package com.android.settings.biometrics.combination; 17 18 import android.app.admin.DevicePolicyManager; 19 import android.content.Context; 20 21 import androidx.lifecycle.Lifecycle; 22 import androidx.preference.Preference; 23 24 import com.android.settings.Utils; 25 import com.android.settings.biometrics.face.FaceStatusPreferenceController; 26 import com.android.settingslib.RestrictedLockUtils; 27 import com.android.settingslib.RestrictedLockUtilsInternal; 28 import com.android.settingslib.RestrictedPreference; 29 30 /** 31 * Preference controller for face settings within the biometrics settings page, that controls the 32 * ability to unlock the phone with face authentication. 33 */ 34 public class BiometricFaceStatusPreferenceController extends FaceStatusPreferenceController { 35 BiometricFaceStatusPreferenceController(Context context, String key)36 public BiometricFaceStatusPreferenceController(Context context, String key) { 37 super(context, key, null /* lifecycle */); 38 } 39 BiometricFaceStatusPreferenceController( Context context, String key, Lifecycle lifecycle)40 public BiometricFaceStatusPreferenceController( 41 Context context, String key, Lifecycle lifecycle) { 42 super(context, key, lifecycle); 43 } 44 45 @Override updateState(Preference preference)46 public void updateState(Preference preference) { 47 super.updateState(preference); 48 final boolean isFaceEnrolled = mFaceStatusUtils.hasEnrolled(); 49 final RestrictedLockUtils.EnforcedAdmin admin = 50 RestrictedLockUtilsInternal.checkIfKeyguardFeaturesDisabled( 51 mContext, DevicePolicyManager.KEYGUARD_DISABLE_FACE, getUserId()); 52 if (admin != null && !isFaceEnrolled) { 53 ((RestrictedPreference) preference).setDisabledByAdmin(admin); 54 } else { 55 preference.setEnabled(true); 56 } 57 } 58 59 @Override isDeviceSupported()60 protected boolean isDeviceSupported() { 61 return Utils.isMultipleBiometricsSupported(mContext) && isHardwareSupported(); 62 } 63 64 @Override isHardwareSupported()65 protected boolean isHardwareSupported() { 66 return Utils.hasFaceHardware(mContext); 67 } 68 } 69