UserPackage.java revision 364e16029017a4e16ed727a5e501f70363d04e5a 
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 */
16package android.webkit;
17
18import android.content.Context;
19import android.content.pm.ApplicationInfo;
20import android.content.pm.PackageInfo;
21import android.content.pm.PackageManager.NameNotFoundException;
22import android.content.pm.UserInfo;
23import android.os.UserManager;
24
25import java.util.ArrayList;
26import java.util.List;
27
28/**
29 * Utility class for storing a (user,PackageInfo) mapping.
30 * @hide
31 */
32public class UserPackage {
33    private final UserInfo mUserInfo;
34    private final PackageInfo mPackageInfo;
35
36    public UserPackage(UserInfo user, PackageInfo packageInfo) {
37        this.mUserInfo = user;
38        this.mPackageInfo = packageInfo;
39    }
40
41    /**
42     * Returns a list of (User,PackageInfo) pairs corresponding to the PackageInfos for all
43     * device users for the package named {@param packageName}.
44     */
45    public static List<UserPackage> getPackageInfosAllUsers(Context context,
46            String packageName, int packageFlags) {
47        List<UserInfo> users = getAllUsers(context);
48        List<UserPackage> userPackages = new ArrayList<UserPackage>(users.size());
49        for (UserInfo user : users) {
50            PackageInfo packageInfo = null;
51            try {
52                packageInfo = context.getPackageManager().getPackageInfoAsUser(
53                        packageName, packageFlags, user.id);
54            } catch (NameNotFoundException e) {
55            }
56            userPackages.add(new UserPackage(user, packageInfo));
57        }
58        return userPackages;
59    }
60
61    /**
62     * Returns whether the given package is enabled.
63     * This state can be changed by the user from Settings->Apps
64     */
65    public boolean isEnabledPackage() {
66        if (mPackageInfo == null) return false;
67        return mPackageInfo.applicationInfo.enabled;
68    }
69
70    /**
71     * Return true if the package is installed and not hidden
72     */
73    public boolean isInstalledPackage() {
74        if (mPackageInfo == null) return false;
75        return (((mPackageInfo.applicationInfo.flags & ApplicationInfo.FLAG_INSTALLED) != 0)
76            && ((mPackageInfo.applicationInfo.privateFlags
77                        & ApplicationInfo.PRIVATE_FLAG_HIDDEN) == 0));
78    }
79
80    public UserInfo getUserInfo() {
81        return mUserInfo;
82    }
83
84    public PackageInfo getPackageInfo() {
85        return mPackageInfo;
86    }
87
88
89    private static List<UserInfo> getAllUsers(Context context) {
90        UserManager userManager = (UserManager) context.getSystemService(Context.USER_SERVICE);
91        return userManager.getUsers(false);
92    }
93
94}
95