1 /*
2  * Copyright (C) 2018 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 static android.os.UserManager.DISALLOW_FACTORY_RESET;
20 
21 import android.car.drivingstate.CarUxRestrictions;
22 import android.car.userlib.CarUserManagerHelper;
23 import android.content.Context;
24 import android.os.UserManager;
25 
26 import androidx.preference.Preference;
27 
28 import com.android.car.settings.common.FragmentController;
29 import com.android.car.settings.common.PreferenceController;
30 
31 /**
32  * Controller which determines if master clear (aka "factory reset") should be displayed based on
33  * user status.
34  */
35 public class MasterClearEntryPreferenceController extends PreferenceController<Preference> {
36 
37     private final CarUserManagerHelper mCarUserManagerHelper;
38 
MasterClearEntryPreferenceController(Context context, String preferenceKey, FragmentController fragmentController, CarUxRestrictions uxRestrictions)39     public MasterClearEntryPreferenceController(Context context, String preferenceKey,
40             FragmentController fragmentController, CarUxRestrictions uxRestrictions) {
41         super(context, preferenceKey, fragmentController, uxRestrictions);
42         mCarUserManagerHelper = new CarUserManagerHelper(context);
43     }
44 
45     @Override
getPreferenceType()46     protected Class<Preference> getPreferenceType() {
47         return Preference.class;
48     }
49 
50     @Override
getAvailabilityStatus()51     public int getAvailabilityStatus() {
52         return isUserRestricted() ? DISABLED_FOR_USER : AVAILABLE;
53     }
54 
isUserRestricted()55     private boolean isUserRestricted() {
56         return !(mCarUserManagerHelper.isCurrentProcessAdminUser() || isDemoUser())
57                 || mCarUserManagerHelper.isCurrentProcessUserHasRestriction(DISALLOW_FACTORY_RESET);
58     }
59 
isDemoUser()60     private boolean isDemoUser() {
61         return UserManager.isDeviceInDemoMode(getContext())
62                 && mCarUserManagerHelper.isCurrentProcessDemoUser();
63     }
64 }
65