1 /* 2 * Copyright (C) 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.packageinstaller.role.utils; 18 19 import android.content.Context; 20 import android.content.pm.PackageManager; 21 import android.os.Process; 22 import android.os.UserHandle; 23 import android.os.UserManager; 24 25 import androidx.annotation.NonNull; 26 import androidx.annotation.Nullable; 27 28 import java.util.List; 29 import java.util.Objects; 30 31 /** 32 * Utility methods about user. 33 */ 34 public class UserUtils { 35 UserUtils()36 private UserUtils() {} 37 38 /** 39 * Check whether a user is a work profile. 40 * 41 * @param user the user to check 42 * @param context the {@code Context} to retrieve system services 43 * 44 * @return whether the user is a work profile 45 */ isWorkProfile(@onNull UserHandle user, @NonNull Context context)46 public static boolean isWorkProfile(@NonNull UserHandle user, @NonNull Context context) { 47 UserManager userManager = context.getSystemService(UserManager.class); 48 return userManager.isManagedProfile(user.getIdentifier()); 49 } 50 51 /** 52 * Get the work profile of current user, if any. 53 * 54 * @param context the {@code Context} to retrieve system services 55 * 56 * @return the work profile of current user, or {@code null} if none 57 */ 58 @Nullable getWorkProfile(@onNull Context context)59 public static UserHandle getWorkProfile(@NonNull Context context) { 60 UserManager userManager = context.getSystemService(UserManager.class); 61 List<UserHandle> profiles = userManager.getUserProfiles(); 62 UserHandle user = Process.myUserHandle(); 63 64 int profilesSize = profiles.size(); 65 for (int i = 0; i < profilesSize; i++) { 66 UserHandle profile = profiles.get(i); 67 68 if (Objects.equals(profile, user)) { 69 continue; 70 } 71 if (!userManager.isManagedProfile(profile.getIdentifier())) { 72 continue; 73 } 74 return profile; 75 } 76 return null; 77 } 78 79 /** 80 * Create a context for a user. 81 * 82 * @param context The context to clone 83 * @param user The user the new context should be for 84 * 85 * @return The context for the new user 86 */ 87 @NonNull getUserContext(@onNull Context context, @NonNull UserHandle user)88 public static Context getUserContext(@NonNull Context context, @NonNull UserHandle user) { 89 if (Process.myUserHandle().equals(user)) { 90 return context; 91 } else { 92 try { 93 return context.createPackageContextAsUser(context.getPackageName(), 0, user); 94 } catch (PackageManager.NameNotFoundException doesNotHappen) { 95 throw new IllegalStateException(doesNotHappen); 96 } 97 } 98 } 99 } 100