1 /* 2 * Copyright 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.car.settings.system; 18 19 import android.car.drivingstate.CarUxRestrictions; 20 import android.car.userlib.CarUserManagerHelper; 21 import android.content.Context; 22 23 import androidx.preference.Preference; 24 25 import com.android.car.settings.common.FragmentController; 26 import com.android.car.settings.common.PreferenceController; 27 28 /** 29 * Displays a warning message on the factory reset screen when multiple switchable users are present 30 * on the vehicle. 31 */ 32 public class MasterClearOtherUsersPresentPreferenceController extends 33 PreferenceController<Preference> { 34 35 private final CarUserManagerHelper mCarUserManagerHelper; 36 MasterClearOtherUsersPresentPreferenceController(Context context, String preferenceKey, FragmentController fragmentController, CarUxRestrictions uxRestrictions)37 public MasterClearOtherUsersPresentPreferenceController(Context context, String preferenceKey, 38 FragmentController fragmentController, CarUxRestrictions uxRestrictions) { 39 super(context, preferenceKey, fragmentController, uxRestrictions); 40 mCarUserManagerHelper = new CarUserManagerHelper(context); 41 } 42 43 @Override getPreferenceType()44 protected Class<Preference> getPreferenceType() { 45 return Preference.class; 46 } 47 48 @Override updateState(Preference preference)49 protected void updateState(Preference preference) { 50 preference.setVisible(!mCarUserManagerHelper.getAllSwitchableUsers().isEmpty()); 51 } 52 } 53