1 /*
2  * Copyright (C) 2017 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 android.webkit;
17 
18 import android.content.Context;
19 import android.content.pm.ApplicationInfo;
20 import android.content.pm.PackageInfo;
21 import android.content.pm.PackageManager.NameNotFoundException;
22 import android.content.pm.UserInfo;
23 import android.os.Build;
24 import android.os.UserManager;
25 
26 import java.util.ArrayList;
27 import java.util.List;
28 
29 /**
30  * Utility class for storing a (user,PackageInfo) mapping.
31  * @hide
32  */
33 public class UserPackage {
34     private final UserInfo mUserInfo;
35     private final PackageInfo mPackageInfo;
36 
37     public static final int MINIMUM_SUPPORTED_SDK = Build.VERSION_CODES.TIRAMISU;
38 
UserPackage(UserInfo user, PackageInfo packageInfo)39     public UserPackage(UserInfo user, PackageInfo packageInfo) {
40         this.mUserInfo = user;
41         this.mPackageInfo = packageInfo;
42     }
43 
44     /**
45      * Returns a list of (User,PackageInfo) pairs corresponding to the PackageInfos for all
46      * device users for the package named {@param packageName}.
47      */
getPackageInfosAllUsers(Context context, String packageName, int packageFlags)48     public static List<UserPackage> getPackageInfosAllUsers(Context context,
49             String packageName, int packageFlags) {
50         List<UserInfo> users = getAllUsers(context);
51         List<UserPackage> userPackages = new ArrayList<UserPackage>(users.size());
52         for (UserInfo user : users) {
53             PackageInfo packageInfo = null;
54             try {
55                 packageInfo = context.getPackageManager().getPackageInfoAsUser(
56                         packageName, packageFlags, user.id);
57             } catch (NameNotFoundException e) {
58             }
59             userPackages.add(new UserPackage(user, packageInfo));
60         }
61         return userPackages;
62     }
63 
64     /**
65      * Returns whether the given package is enabled.
66      * This state can be changed by the user from Settings->Apps
67      */
isEnabledPackage()68     public boolean isEnabledPackage() {
69         if (mPackageInfo == null) return false;
70         return mPackageInfo.applicationInfo.enabled;
71     }
72 
73     /**
74      * Return {@code true} if the package is installed and not hidden
75      */
isInstalledPackage()76     public boolean isInstalledPackage() {
77         if (mPackageInfo == null) return false;
78         return (((mPackageInfo.applicationInfo.flags & ApplicationInfo.FLAG_INSTALLED) != 0)
79             && ((mPackageInfo.applicationInfo.privateFlags
80                         & ApplicationInfo.PRIVATE_FLAG_HIDDEN) == 0));
81     }
82 
83     /**
84      * Returns whether the package represented by {@param packageInfo} targets a sdk version
85      * supported by the current framework version.
86      */
hasCorrectTargetSdkVersion(PackageInfo packageInfo)87     public static boolean hasCorrectTargetSdkVersion(PackageInfo packageInfo) {
88         return packageInfo.applicationInfo.targetSdkVersion >= MINIMUM_SUPPORTED_SDK;
89     }
90 
getUserInfo()91     public UserInfo getUserInfo() {
92         return mUserInfo;
93     }
94 
getPackageInfo()95     public PackageInfo getPackageInfo() {
96         return mPackageInfo;
97     }
98 
99 
getAllUsers(Context context)100     private static List<UserInfo> getAllUsers(Context context) {
101         UserManager userManager = (UserManager) context.getSystemService(Context.USER_SERVICE);
102         return userManager.getUsers();
103     }
104 
105 }
106