1 /* 2 * Copyright (C) 2014 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 com.android.providers.contacts.util; 17 18 import com.android.providers.contacts.ContactsProvider2; 19 20 import android.app.admin.DevicePolicyManager; 21 import android.content.Context; 22 import android.content.pm.UserInfo; 23 import android.os.UserHandle; 24 import android.os.UserManager; 25 import android.util.Log; 26 27 public final class UserUtils { 28 public static final String TAG = ContactsProvider2.TAG; 29 30 public static final boolean VERBOSE_LOGGING = Log.isLoggable(TAG, Log.VERBOSE); 31 32 private UserUtils() { 33 } 34 35 public static UserManager getUserManager(Context context) { 36 return (UserManager) context.getSystemService(Context.USER_SERVICE); 37 } 38 39 private static DevicePolicyManager getDevicePolicyManager(Context context) { 40 return (DevicePolicyManager) context.getSystemService(Context.DEVICE_POLICY_SERVICE); 41 } 42 43 public static int getCurrentUserHandle(Context context) { 44 return getUserManager(context).getUserHandle(); 45 } 46 47 /** 48 * @param context Context 49 * @return {@link UserInfo} of the corp user that is linked to the current user, 50 * if any. If there's no such user or cross-user contacts access is 51 * disallowed by policy, returns null. 52 */ 53 private static UserInfo getCorpUserInfo(Context context) { 54 final UserManager um = getUserManager(context); 55 final int myUser = um.getUserHandle(); 56 57 // Check each user. 58 for (UserInfo ui : um.getUsers()) { 59 if (!ui.isManagedProfile()) { 60 continue; // Not a managed user. 61 } 62 final UserInfo parent = um.getProfileParent(ui.id); 63 if (parent == null) { 64 continue; // No parent. 65 } 66 // Check if it's linked to the current user. 67 if (parent.id == myUser) { 68 return ui; 69 } 70 } 71 return null; 72 } 73 74 /** 75 * @return the user ID of the corp user that is linked to the current user, 76 * if any. If there's no such user returns -1. 77 */ 78 public static int getCorpUserId(Context context) { 79 final UserInfo ui = getCorpUserInfo(context); 80 return ui == null ? -1 : ui.id; 81 } 82 } 83
