diff options
Diffstat (limited to 'src/com/android/dialer/compat/UserManagerCompat.java')
-rw-r--r-- | src/com/android/dialer/compat/UserManagerCompat.java | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/src/com/android/dialer/compat/UserManagerCompat.java b/src/com/android/dialer/compat/UserManagerCompat.java new file mode 100644 index 000000000..576703364 --- /dev/null +++ b/src/com/android/dialer/compat/UserManagerCompat.java @@ -0,0 +1,71 @@ +/* + * 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; + } +} |