src/com/android/settings/security/SecuritySettings.java

/*
 * 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.security;

import static com.android.settings.biometrics.face.FaceSettings.isFaceHardwareDetected;
import static com.android.settings.biometrics.fingerprint.FingerprintSettings.isFingerprintHardwareDetected;

import android.app.settings.SettingsEnums;
import android.content.Context;
import android.content.Intent;

import androidx.annotation.VisibleForTesting;

import com.android.settings.R;
import com.android.settings.biometrics.combination.CombinedBiometricStatusPreferenceController;
import com.android.settings.biometrics.face.FaceStatusPreferenceController;
import com.android.settings.biometrics.fingerprint.FingerprintStatusPreferenceController;
import com.android.settings.dashboard.DashboardFragment;
import com.android.settings.overlay.FeatureFactory;
import com.android.settings.safetycenter.SafetyCenterManagerWrapper;
import com.android.settings.search.BaseSearchIndexProvider;
import com.android.settings.security.trustagent.TrustAgentListPreferenceController;
import com.android.settings.widget.PreferenceCategoryController;
import com.android.settingslib.core.AbstractPreferenceController;
import com.android.settingslib.core.lifecycle.Lifecycle;
import com.android.settingslib.search.SearchIndexable;

import java.util.ArrayList;
import java.util.List;

@SearchIndexable
public class SecuritySettings extends DashboardFragment {

    private static final String TAG = "SecuritySettings";
    protected static final String SECURITY_CATEGORY = "security_category";

    public static final int CHANGE_TRUST_AGENT_SETTINGS = 126;
    public static final int UNIFY_LOCK_CONFIRM_PROFILE_REQUEST = 129;
    public static final int UNUNIFY_LOCK_CONFIRM_DEVICE_REQUEST = 130;
    @VisibleForTesting
    static final String KEY_FINGERPRINT_SETTINGS = "fingerprint_settings";
    @VisibleForTesting
    static final String KEY_FACE_SETTINGS = "face_settings";

    @Override
    public int getMetricsCategory() {
        return SettingsEnums.SECURITY;
    }

    @Override
    protected int getPreferenceScreenResId() {
        return R.xml.security_dashboard_settings;
    }

    @Override
    protected String getLogTag() {
        return TAG;
    }

    @Override
    public int getHelpResource() {
        return R.string.help_url_security;
    }

    @Override
    protected List<AbstractPreferenceController> createPreferenceControllers(Context context) {
        return buildPreferenceControllers(context, getSettingsLifecycle(), this /* host*/);
    }

    /**
     * see confirmPatternThenDisableAndClear
     */
    @Override
    public void onActivityResult(int requestCode, int resultCode, Intent data) {
        if (use(TrustAgentListPreferenceController.class)
                .handleActivityResult(requestCode, resultCode)) {
            return;
        }
        if (use(LockUnificationPreferenceController.class)
                .handleActivityResult(requestCode, resultCode, data)) {
            return;
        }
        super.onActivityResult(requestCode, resultCode, data);
    }

    void startUnification() {
        use(LockUnificationPreferenceController.class).startUnification();
    }

    void updateUnificationPreference() {
        use(LockUnificationPreferenceController.class).updateState(null);
    }

    private static List<AbstractPreferenceController> buildPreferenceControllers(Context context,
            Lifecycle lifecycle, SecuritySettings host) {
        final List<AbstractPreferenceController> controllers = new ArrayList<>();
        final List<AbstractPreferenceController> securityPreferenceControllers = new ArrayList<>();
        securityPreferenceControllers.add(new FaceStatusPreferenceController(context, lifecycle));
        securityPreferenceControllers.add(new FingerprintStatusPreferenceController(
                context, lifecycle));
        securityPreferenceControllers.add(new CombinedBiometricStatusPreferenceController(
                context, lifecycle));
        securityPreferenceControllers.add(new ChangeScreenLockPreferenceController(context, host));
        controllers.add(new PreferenceCategoryController(context, SECURITY_CATEGORY)
                .setChildren(securityPreferenceControllers));
        controllers.addAll(securityPreferenceControllers);

        return controllers;
    }

    /**
     * For Search. Please keep it in sync when updating "createPreferenceHierarchy()"
     */
    public static final BaseSearchIndexProvider SEARCH_INDEX_DATA_PROVIDER =
            new BaseSearchIndexProvider(R.xml.security_dashboard_settings) {

                @Override
                public List<AbstractPreferenceController> createPreferenceControllers(Context
                        context) {
                    return buildPreferenceControllers(context, null /* lifecycle */,
                            null /* host*/);
                }

                @Override
                protected boolean isPageSearchEnabled(Context context) {
                    return !FeatureFactory.getFeatureFactory().getSecuritySettingsFeatureProvider()
                            .hasAlternativeSecuritySettingsFragment()
                            && !SafetyCenterManagerWrapper.get().isEnabled(context);
                }

                @Override
                public List<String> getNonIndexableKeys(Context context) {
                    final List<String> keys = super.getNonIndexableKeys(context);
                    if (!isFingerprintHardwareDetected(context)) {
                        keys.add(KEY_FINGERPRINT_SETTINGS);
                    }
                    if (!isFaceHardwareDetected(context)) {
                       keys.add(KEY_FACE_SETTINGS);
                    }
                    return keys;
                }
            };

    @Override
    public Lifecycle getSettingsLifecycle() {
        return super.getSettingsLifecycle();
    }
}