/*
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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;
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import static com.android.settings.Utils.SETTINGS_PACKAGE_NAME;
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import static com.android.settings.biometrics.BiometricEnrollBase.EXTRA_FROM_SETTINGS_SUMMARY;
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import android.content.Context;
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import android.content.Intent;
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import android.os.UserHandle;
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import android.os.UserManager;
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import androidx.preference.Preference;
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import com.android.internal.widget.LockPatternUtils;
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import com.android.settings.Utils;
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import com.android.settings.core.BasePreferenceController;
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import com.android.settings.overlay.FeatureFactory;
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public abstract class BiometricStatusPreferenceController extends BasePreferenceController {
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protected final UserManager mUm;
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protected final LockPatternUtils mLockPatternUtils;
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private final int mUserId = UserHandle.myUserId();
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protected final int mProfileChallengeUserId;
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/**
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* @return true if the manager is not null and the hardware is detected.
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*/
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protected abstract boolean isDeviceSupported();
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/**
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* @return true if the user has enrolled biometrics of the subclassed type.
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*/
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protected abstract boolean hasEnrolledBiometrics();
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/**
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* @return the summary text if biometrics are enrolled.
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*/
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protected abstract String getSummaryTextEnrolled();
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/**
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* @return the summary text if no biometrics are enrolled.
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*/
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protected abstract String getSummaryTextNoneEnrolled();
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/**
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* @return the class name for the settings page.
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*/
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protected abstract String getSettingsClassName();
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/**
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* @return the class name for entry to enrollment.
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*/
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protected abstract String getEnrollClassName();
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public BiometricStatusPreferenceController(Context context, String key) {
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super(context, key);
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mUm = (UserManager) context.getSystemService(Context.USER_SERVICE);
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mLockPatternUtils = FeatureFactory.getFactory(context)
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.getSecurityFeatureProvider()
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.getLockPatternUtils(context);
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mProfileChallengeUserId = Utils.getManagedProfileId(mUm, mUserId);
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}
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@Override
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public int getAvailabilityStatus() {
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if (!isDeviceSupported()) {
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return UNSUPPORTED_ON_DEVICE;
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}
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if (isUserSupported()) {
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return AVAILABLE;
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} else {
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return DISABLED_FOR_USER;
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}
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}
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@Override
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public void updateState(Preference preference) {
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if (!isAvailable()) {
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if (preference != null) {
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preference.setVisible(false);
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}
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return;
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} else {
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preference.setVisible(true);
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}
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final int userId = getUserId();
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final String clazz;
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if (hasEnrolledBiometrics()) {
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preference.setSummary(getSummaryTextEnrolled());
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clazz = getSettingsClassName();
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} else {
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preference.setSummary(getSummaryTextNoneEnrolled());
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clazz = getEnrollClassName();
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}
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preference.setOnPreferenceClickListener(target -> {
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final Context context = target.getContext();
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final UserManager userManager = UserManager.get(context);
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if (Utils.startQuietModeDialogIfNecessary(context, userManager,
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userId)) {
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return false;
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}
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Intent intent = new Intent();
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intent.setClassName(SETTINGS_PACKAGE_NAME, clazz);
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intent.putExtra(Intent.EXTRA_USER_ID, userId);
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intent.putExtra(EXTRA_FROM_SETTINGS_SUMMARY, true);
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context.startActivity(intent);
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return true;
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});
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}
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protected int getUserId() {
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return mUserId;
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}
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protected boolean isUserSupported() {
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return true;
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}
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}
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