UserPackage.java revision 564c2fd5db707dbe3e10df3e69780c0ab6ce7a51 
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.Build;
24import android.os.UserManager;
25
26import java.util.ArrayList;
27import java.util.List;
28
29/**
30 * Utility class for storing a (user,PackageInfo) mapping.
31 * @hide
32 */
33public class UserPackage {
34    private final UserInfo mUserInfo;
35    private final PackageInfo mPackageInfo;
36
37    public UserPackage(UserInfo user, PackageInfo packageInfo) {
38        this.mUserInfo = user;
39        this.mPackageInfo = packageInfo;
40    }
41
42    /**
43     * Returns a list of (User,PackageInfo) pairs corresponding to the PackageInfos for all
44     * device users for the package named {@param packageName}.
45     */
46    public static List<UserPackage> getPackageInfosAllUsers(Context context,
47            String packageName, int packageFlags) {
48        List<UserInfo> users = getAllUsers(context);
49        List<UserPackage> userPackages = new ArrayList<UserPackage>(users.size());
50        for (UserInfo user : users) {
51            PackageInfo packageInfo = null;
52            try {
53                packageInfo = context.getPackageManager().getPackageInfoAsUser(
54                        packageName, packageFlags, user.id);
55            } catch (NameNotFoundException e) {
56            }
57            userPackages.add(new UserPackage(user, packageInfo));
58        }
59        return userPackages;
60    }
61
62    /**
63     * Returns whether the given package is enabled.
64     * This state can be changed by the user from Settings->Apps
65     */
66    public boolean isEnabledPackage() {
67        if (mPackageInfo == null) return false;
68        return mPackageInfo.applicationInfo.enabled;
69    }
70
71    /**
72     * Return true if the package is installed and not hidden
73     */
74    public boolean isInstalledPackage() {
75        if (mPackageInfo == null) return false;
76        return (((mPackageInfo.applicationInfo.flags & ApplicationInfo.FLAG_INSTALLED) != 0)
77            && ((mPackageInfo.applicationInfo.privateFlags
78                        & ApplicationInfo.PRIVATE_FLAG_HIDDEN) == 0));
79    }
80
81    /**
82     * Returns whether the package represented by {@param packageInfo} targets a sdk version
83     * supported by the current framework version.
84     */
85    public static boolean hasCorrectTargetSdkVersion(PackageInfo packageInfo) {
86        // TODO(gsennton) use Build.VERSION_CODES.O when that has been updated.
87        return packageInfo.applicationInfo.targetSdkVersion > Build.VERSION_CODES.N_MR1;
88    }
89
90    public UserInfo getUserInfo() {
91        return mUserInfo;
92    }
93
94    public PackageInfo getPackageInfo() {
95        return mPackageInfo;
96    }
97
98
99    private static List<UserInfo> getAllUsers(Context context) {
100        UserManager userManager = (UserManager) context.getSystemService(Context.USER_SERVICE);
101        return userManager.getUsers(false);
102    }
103
104}
105