1 /* 2 * Copyright (C) 2019 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.settings.biometrics.face; 18 19 import android.content.Context; 20 import android.content.pm.PackageManager; 21 import android.hardware.face.FaceManager; 22 import android.os.UserHandle; 23 import android.os.UserManager; 24 import android.provider.Settings; 25 26 import androidx.preference.Preference; 27 28 import com.android.internal.annotations.VisibleForTesting; 29 import com.android.settingslib.RestrictedLockUtils.EnforcedAdmin; 30 import com.android.settingslib.RestrictedSwitchPreference; 31 32 public class FaceSettingsLockscreenBypassPreferenceController 33 extends FaceSettingsPreferenceController { 34 35 @VisibleForTesting 36 protected FaceManager mFaceManager; 37 private UserManager mUserManager; 38 FaceSettingsLockscreenBypassPreferenceController(Context context, String preferenceKey)39 public FaceSettingsLockscreenBypassPreferenceController(Context context, String preferenceKey) { 40 super(context, preferenceKey); 41 if (context.getPackageManager().hasSystemFeature(PackageManager.FEATURE_FACE)) { 42 mFaceManager = context.getSystemService(FaceManager.class); 43 } 44 45 mUserManager = context.getSystemService(UserManager.class); 46 } 47 48 @Override isChecked()49 public boolean isChecked() { 50 if (!FaceSettings.isFaceHardwareDetected(mContext)) { 51 return false; 52 } else if (getRestrictingAdmin() != null) { 53 return false; 54 } 55 int defaultValue = mContext.getResources().getBoolean( 56 com.android.internal.R.bool.config_faceAuthDismissesKeyguard) ? 1 : 0; 57 return Settings.Secure.getIntForUser(mContext.getContentResolver(), 58 Settings.Secure.FACE_UNLOCK_DISMISSES_KEYGUARD, defaultValue, getUserId()) != 0; 59 } 60 61 @Override setChecked(boolean isChecked)62 public boolean setChecked(boolean isChecked) { 63 Settings.Secure.putInt(mContext.getContentResolver(), 64 Settings.Secure.FACE_UNLOCK_DISMISSES_KEYGUARD, isChecked ? 1 : 0); 65 return true; 66 } 67 68 @Override updateState(Preference preference)69 public void updateState(Preference preference) { 70 EnforcedAdmin admin; 71 super.updateState(preference); 72 if (!FaceSettings.isFaceHardwareDetected(mContext)) { 73 preference.setEnabled(false); 74 } else if ((admin = getRestrictingAdmin()) != null) { 75 ((RestrictedSwitchPreference) preference).setDisabledByAdmin(admin); 76 } else if (!mFaceManager.hasEnrolledTemplates(getUserId())) { 77 preference.setEnabled(false); 78 } else { 79 preference.setEnabled(true); 80 } 81 } 82 83 @Override getAvailabilityStatus()84 public int getAvailabilityStatus() { 85 if (mUserManager.isManagedProfile(UserHandle.myUserId())) { 86 return UNSUPPORTED_ON_DEVICE; 87 } 88 89 if (mFaceManager != null && mFaceManager.isHardwareDetected()) { 90 return mFaceManager.hasEnrolledTemplates(getUserId()) 91 ? AVAILABLE : DISABLED_DEPENDENT_SETTING; 92 } else { 93 return UNSUPPORTED_ON_DEVICE; 94 } 95 } 96 } 97