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.applications;
18 
19 import android.app.admin.DevicePolicyManager;
20 import android.car.userlib.CarUserManagerHelper;
21 import android.content.ComponentName;
22 import android.content.Context;
23 import android.content.pm.UserInfo;
24 import android.telecom.DefaultDialerManager;
25 import android.text.TextUtils;
26 import android.util.ArraySet;
27 
28 import com.android.internal.telephony.SmsApplication;
29 
30 import java.util.List;
31 import java.util.Set;
32 
33 /** Utility functions for use in applications settings. */
34 public class ApplicationsUtils {
35 
ApplicationsUtils()36     private ApplicationsUtils() {
37     }
38 
39     /**
40      * Returns {@code true} if the package should always remain enabled.
41      */
42     // TODO: investigate making this behavior configurable via a feature factory with the current
43     //  contents as the default.
isKeepEnabledPackage(Context context, String packageName)44     public static boolean isKeepEnabledPackage(Context context, String packageName) {
45         // Find current default phone/sms app. We should keep them enabled.
46         Set<String> keepEnabledPackages = new ArraySet<>();
47         String defaultDialer = DefaultDialerManager.getDefaultDialerApplication(context);
48         if (!TextUtils.isEmpty(defaultDialer)) {
49             keepEnabledPackages.add(defaultDialer);
50         }
51         ComponentName defaultSms = SmsApplication.getDefaultSmsApplication(
52                 context, /* updateIfNeeded= */ true);
53         if (defaultSms != null) {
54             keepEnabledPackages.add(defaultSms.getPackageName());
55         }
56         return keepEnabledPackages.contains(packageName);
57     }
58 
59     /**
60      * Returns {@code true} if the given {@code packageName} is device owner or profile owner of at
61      * least one user.
62      */
isProfileOrDeviceOwner(String packageName, DevicePolicyManager dpm, CarUserManagerHelper um)63     public static boolean isProfileOrDeviceOwner(String packageName, DevicePolicyManager dpm,
64             CarUserManagerHelper um) {
65         if (dpm.isDeviceOwnerAppOnAnyUser(packageName)) {
66             return true;
67         }
68         List<UserInfo> userInfos = um.getAllUsers();
69         for (int i = 0; i < userInfos.size(); i++) {
70             ComponentName cn = dpm.getProfileOwnerAsUser(userInfos.get(i).id);
71             if (cn != null && cn.getPackageName().equals(packageName)) {
72                 return true;
73             }
74         }
75         return false;
76     }
77 }
78