| /* |
| * Copyright (C) 2018 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.settings.biometrics.face; |
| |
| import android.content.Context; |
| import android.hardware.biometrics.BiometricAuthenticator; |
| import android.hardware.face.FaceManager; |
| |
| import androidx.annotation.Nullable; |
| import androidx.lifecycle.Lifecycle; |
| import androidx.lifecycle.LifecycleObserver; |
| import androidx.lifecycle.OnLifecycleEvent; |
| import androidx.preference.Preference; |
| import androidx.preference.PreferenceScreen; |
| |
| import com.android.internal.annotations.VisibleForTesting; |
| import com.android.settings.R; |
| import com.android.settings.Settings; |
| import com.android.settings.Utils; |
| import com.android.settings.biometrics.BiometricStatusPreferenceController; |
| import com.android.settings.biometrics.ParentalControlsUtils; |
| import com.android.settingslib.RestrictedLockUtils; |
| import com.android.settingslib.RestrictedPreference; |
| |
| public class FaceStatusPreferenceController extends BiometricStatusPreferenceController |
| implements LifecycleObserver { |
| |
| public static final String KEY_FACE_SETTINGS = "face_settings"; |
| |
| protected final FaceManager mFaceManager; |
| @VisibleForTesting |
| RestrictedPreference mPreference; |
| |
| public FaceStatusPreferenceController(Context context) { |
| this(context, KEY_FACE_SETTINGS, null /* lifecycle */); |
| } |
| |
| public FaceStatusPreferenceController(Context context, String key) { |
| this(context, key, null /* lifecycle */); |
| } |
| |
| public FaceStatusPreferenceController(Context context, Lifecycle lifecycle) { |
| this(context, KEY_FACE_SETTINGS, lifecycle); |
| } |
| |
| public FaceStatusPreferenceController(Context context, String key, Lifecycle lifecycle) { |
| super(context, key); |
| mFaceManager = Utils.getFaceManagerOrNull(context); |
| |
| if (lifecycle != null) { |
| lifecycle.addObserver(this); |
| } |
| } |
| |
| @OnLifecycleEvent(Lifecycle.Event.ON_RESUME) |
| public void onResume() { |
| updateStateInternal(); |
| } |
| |
| @Override |
| public void displayPreference(PreferenceScreen screen) { |
| super.displayPreference(screen); |
| mPreference = screen.findPreference(mPreferenceKey); |
| } |
| |
| @Override |
| protected boolean isDeviceSupported() { |
| return !Utils.isMultipleBiometricsSupported(mContext) && Utils.hasFaceHardware(mContext); |
| } |
| |
| @Override |
| protected boolean hasEnrolledBiometrics() { |
| return mFaceManager.hasEnrolledTemplates(getUserId()); |
| } |
| |
| @Override |
| public void updateState(Preference preference) { |
| super.updateState(preference); |
| updateStateInternal(); |
| } |
| |
| private void updateStateInternal() { |
| updateStateInternal(ParentalControlsUtils.parentConsentRequired( |
| mContext, BiometricAuthenticator.TYPE_FACE)); |
| } |
| |
| @VisibleForTesting |
| void updateStateInternal(@Nullable RestrictedLockUtils.EnforcedAdmin enforcedAdmin) { |
| if (mPreference != null) { |
| mPreference.setDisabledByAdmin(enforcedAdmin); |
| } |
| } |
| |
| @Override |
| protected String getSummaryTextEnrolled() { |
| return mContext.getResources() |
| .getString(R.string.security_settings_face_preference_summary); |
| } |
| |
| @Override |
| protected String getSummaryTextNoneEnrolled() { |
| return mContext.getResources() |
| .getString(R.string.security_settings_face_preference_summary_none); |
| } |
| |
| @Override |
| protected String getSettingsClassName() { |
| return Settings.FaceSettingsActivity.class.getName(); |
| } |
| |
| @Override |
| protected String getEnrollClassName() { |
| return FaceEnrollIntroduction.class.getName(); |
| } |
| |
| } |