1 /*
2  * Copyright (C) 2021 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.car.settings.enterprise;
17 
18 import android.car.drivingstate.CarUxRestrictions;
19 import android.content.Context;
20 import android.os.UserHandle;
21 
22 import androidx.preference.Preference;
23 
24 import com.android.car.settings.R;
25 import com.android.car.settings.common.FragmentController;
26 
27 import java.util.List;
28 
29 /**
30  * Controller to show whether the device owner created CA Certificates for the user.
31  */
32 public final class CaCertsCurrentUserPreferenceController
33         extends BaseEnterprisePreferenceController<Preference> {
34 
CaCertsCurrentUserPreferenceController(Context context, String preferenceKey, FragmentController fragmentController, CarUxRestrictions uxRestrictions)35     public CaCertsCurrentUserPreferenceController(Context context, String preferenceKey,
36             FragmentController fragmentController, CarUxRestrictions uxRestrictions) {
37         super(context, preferenceKey, fragmentController, uxRestrictions);
38     }
39 
40     @Override
getDefaultAvailabilityStatus()41     protected int getDefaultAvailabilityStatus() {
42         int superStatus = super.getDefaultAvailabilityStatus();
43         if (superStatus != AVAILABLE) return superStatus;
44 
45         return getNumberOfOwnerInstalledCaCertsForCurrentUser() > 0 ? AVAILABLE
46                 : DISABLED_FOR_PROFILE;
47     }
48 
49     @Override
updateState(Preference preference)50     public void updateState(Preference preference) {
51         int certs = getNumberOfOwnerInstalledCaCertsForCurrentUser();
52         preference.setSummary(getContext().getResources().getQuantityString(
53                 R.plurals.enterprise_privacy_number_ca_certs, certs, certs));
54         preference.setTitle(isInCompMode()
55                 ? R.string.enterprise_privacy_ca_certs_personal
56                 : R.string.enterprise_privacy_ca_certs_device);
57     }
58 
getNumberOfOwnerInstalledCaCertsForCurrentUser()59     private int getNumberOfOwnerInstalledCaCertsForCurrentUser() {
60         List<String> certs = mDpm.getOwnerInstalledCaCerts(new UserHandle(UserHandle.myUserId()));
61         if (certs == null) {
62             return 0;
63         }
64         return certs.size();
65     }
66 }
67