100 lines
3.3 KiB
Java
100 lines
3.3 KiB
Java
/*
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* Copyright (C) 2018 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License
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*/
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package com.android.settings.biometrics.face;
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import static android.provider.Settings.Secure.FACE_UNLOCK_KEYGUARD_ENABLED;
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import android.app.admin.DevicePolicyManager;
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import android.content.Context;
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import android.hardware.face.FaceManager;
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import android.os.UserHandle;
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import android.provider.Settings;
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import androidx.preference.Preference;
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import com.android.settings.Utils;
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import com.android.settings.core.TogglePreferenceController;
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/**
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* Preference controller for Face settings page controlling the ability to unlock the phone
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* with face.
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*/
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public class FaceSettingsKeyguardPreferenceController extends FaceSettingsPreferenceController {
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static final String KEY = "security_settings_face_keyguard";
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private static final int ON = 1;
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private static final int OFF = 0;
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private static final int DEFAULT = ON; // face unlock is enabled on keyguard by default
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private FaceManager mFaceManager;
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public FaceSettingsKeyguardPreferenceController(Context context, String preferenceKey) {
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super(context, preferenceKey);
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mFaceManager = Utils.getFaceManagerOrNull(context);
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}
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public FaceSettingsKeyguardPreferenceController(Context context) {
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this(context, KEY);
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}
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@Override
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public boolean isChecked() {
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if (!FaceSettings.isAvailable(mContext)) {
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return false;
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} else if (adminDisabled()) {
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return false;
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}
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return Settings.Secure.getIntForUser(mContext.getContentResolver(),
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FACE_UNLOCK_KEYGUARD_ENABLED, DEFAULT, getUserId()) == ON;
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}
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@Override
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public boolean setChecked(boolean isChecked) {
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return Settings.Secure.putIntForUser(mContext.getContentResolver(),
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FACE_UNLOCK_KEYGUARD_ENABLED, isChecked ? ON : OFF, getUserId());
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}
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@Override
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public int getAvailabilityStatus() {
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return AVAILABLE;
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}
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@Override
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public void updateState(Preference preference) {
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super.updateState(preference);
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if (!FaceSettings.isAvailable(mContext)) {
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preference.setEnabled(false);
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} else if (adminDisabled()) {
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preference.setEnabled(false);
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} else if (!mFaceManager.hasEnrolledTemplates(getUserId())) {
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preference.setEnabled(false);
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} else {
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preference.setEnabled(true);
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}
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}
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private boolean adminDisabled() {
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DevicePolicyManager dpm =
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(DevicePolicyManager) mContext.getSystemService(Context.DEVICE_POLICY_SERVICE);
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return dpm != null &&
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(dpm.getKeyguardDisabledFeatures(null, UserHandle.myUserId())
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& DevicePolicyManager.KEYGUARD_DISABLE_FACE)
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!= 0;
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}
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}
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