1 /*
2  * Copyright (C) 2016 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 package com.android.settings.users;
17 
18 import android.content.Context;
19 import android.os.UserHandle;
20 import android.provider.Settings;
21 
22 import androidx.preference.Preference;
23 
24 import com.android.internal.widget.LockPatternUtils;
25 import com.android.settings.core.TogglePreferenceController;
26 import com.android.settingslib.RestrictedSwitchPreference;
27 
28 public class AddUserWhenLockedPreferenceController extends TogglePreferenceController {
29 
30     private final UserCapabilities mUserCaps;
31     private final LockPatternUtils mLockPatternUtils;
32 
AddUserWhenLockedPreferenceController(Context context, String key)33     public AddUserWhenLockedPreferenceController(Context context, String key) {
34         super(context, key);
35         mUserCaps = UserCapabilities.create(context);
36         mLockPatternUtils = new LockPatternUtils(context);
37     }
38 
39     @Override
updateState(Preference preference)40     public void updateState(Preference preference) {
41         super.updateState(preference);
42         mUserCaps.updateAddUserCapabilities(mContext);
43         final RestrictedSwitchPreference restrictedSwitchPreference =
44                 (RestrictedSwitchPreference) preference;
45         if (!isAvailable()) {
46             restrictedSwitchPreference.setVisible(false);
47         } else {
48             restrictedSwitchPreference.setDisabledByAdmin(
49                     mUserCaps.disallowAddUser() ? mUserCaps.getEnforcedAdmin() : null);
50             restrictedSwitchPreference.setVisible(mUserCaps.mUserSwitcherEnabled);
51         }
52     }
53 
54     @Override
getAvailabilityStatus()55     public int getAvailabilityStatus() {
56         if (!mUserCaps.isAdmin()) {
57             return DISABLED_FOR_USER;
58         } else if (mUserCaps.disallowAddUser() || mUserCaps.disallowAddUserSetByAdmin()) {
59             return DISABLED_FOR_USER;
60         } else if (!mLockPatternUtils.isSecure(UserHandle.myUserId())) {
61             return CONDITIONALLY_UNAVAILABLE;
62         } else {
63             return mUserCaps.mUserSwitcherEnabled ? AVAILABLE : CONDITIONALLY_UNAVAILABLE;
64         }
65     }
66 
67     @Override
isChecked()68     public boolean isChecked() {
69         return Settings.Global.getInt(mContext.getContentResolver(),
70                 Settings.Global.ADD_USERS_WHEN_LOCKED, 0) == 1;
71     }
72 
73     @Override
setChecked(boolean isChecked)74     public boolean setChecked(boolean isChecked) {
75         return Settings.Global.putInt(mContext.getContentResolver(),
76                 Settings.Global.ADD_USERS_WHEN_LOCKED, isChecked ? 1 : 0);
77     }
78 }
79