| /* |
| * Copyright (C) 2015 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package com.android.dialer.compat; |
| |
| import android.content.Context; |
| import android.os.Process; |
| import android.os.UserHandle; |
| import android.os.UserManager; |
| |
| import com.android.contacts.common.compat.CompatUtils; |
| |
| /** |
| * Compatibility class for {@link UserManager}. |
| */ |
| public class UserManagerCompat { |
| /** |
| * A user id constant to indicate the "system" user of the device. Copied from |
| * {@link UserHandle}. |
| */ |
| private static final int USER_SYSTEM = 0; |
| /** |
| * Range of uids allocated for a user. |
| */ |
| private static final int PER_USER_RANGE = 100000; |
| |
| /** |
| * Used to check if this process is running under the system user. The system user is the |
| * initial user that is implicitly created on first boot and hosts most of the system services. |
| * |
| * @return whether this process is running under the system user. |
| */ |
| public static boolean isSystemUser(UserManager userManager) { |
| if (CompatUtils.isMarshmallowCompatible()) { |
| return userManager.isSystemUser(); |
| } |
| // Adapted from {@link UserManager} and {@link UserHandle}. |
| return (Process.myUid() / PER_USER_RANGE) == USER_SYSTEM; |
| } |
| |
| /** |
| * Return whether the calling user is running in an "unlocked" state. A user |
| * is unlocked only after they've entered their credentials (such as a lock |
| * pattern or PIN), and credential-encrypted private app data storage is |
| * available. |
| * |
| * TODO b/26688153 |
| * |
| * @param context the current context |
| * @return {@code true} if the user is unlocked, {@code false} otherwise |
| * @throws NullPointerException if context is null |
| */ |
| public static boolean isUserUnlocked(Context context) { |
| if (CompatUtils.isNCompatible()) { |
| return UserManagerSdkCompat.isUserUnlocked(context); |
| } |
| return true; |
| } |
| } |