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 17 package com.android.launcher3.compat; 18 19 import android.content.Context; 20 import android.content.SharedPreferences; 21 import android.content.pm.PackageManager; 22 import android.os.UserHandle; 23 import android.os.UserManager; 24 import android.util.ArrayMap; 25 import com.android.launcher3.util.LongArrayMap; 26 import com.android.launcher3.util.ManagedProfileHeuristic; 27 import java.util.ArrayList; 28 import java.util.Collections; 29 import java.util.List; 30 31 public class UserManagerCompatVL extends UserManagerCompat { 32 private static final String USER_CREATION_TIME_KEY = "user_creation_time_"; 33 34 protected final UserManager mUserManager; 35 private final PackageManager mPm; 36 private final Context mContext; 37 38 protected LongArrayMap<UserHandle> mUsers; 39 // Create a separate reverse map as LongArrayMap.indexOfValue checks if objects are same 40 // and not {@link Object#equals} 41 protected ArrayMap<UserHandle, Long> mUserToSerialMap; 42 43 UserManagerCompatVL(Context context) { 44 mUserManager = (UserManager) context.getSystemService(Context.USER_SERVICE); 45 mPm = context.getPackageManager(); 46 mContext = context; 47 } 48 49 @Override 50 public long getSerialNumberForUser(UserHandle user) { 51 synchronized (this) { 52 if (mUserToSerialMap != null) { 53 Long serial = mUserToSerialMap.get(user); 54 return serial == null ? 0 : serial; 55 } 56 } 57 return mUserManager.getSerialNumberForUser(user); 58 } 59 60 @Override 61 public UserHandle getUserForSerialNumber(long serialNumber) { 62 synchronized (this) { 63 if (mUsers != null) { 64 return mUsers.get(serialNumber); 65 } 66 } 67 return mUserManager.getUserForSerialNumber(serialNumber); 68 } 69 70 @Override 71 public boolean isQuietModeEnabled(UserHandle user) { 72 return false; 73 } 74 75 @Override 76 public boolean isUserUnlocked(UserHandle user) { 77 return true; 78 } 79 80 @Override 81 public boolean isDemoUser() { 82 return false; 83 } 84 85 @Override 86 public void enableAndResetCache() { 87 synchronized (this) { 88 mUsers = new LongArrayMap<>(); 89 mUserToSerialMap = new ArrayMap<>(); 90 List<UserHandle> users = mUserManager.getUserProfiles(); 91 if (users != null) { 92 for (UserHandle user : users) { 93 long serial = mUserManager.getSerialNumberForUser(user); 94 mUsers.put(serial, user); 95 mUserToSerialMap.put(user, serial); 96 } 97 } 98 } 99 } 100 101 @Override 102 public List<UserHandle> getUserProfiles() { 103 synchronized (this) { 104 if (mUsers != null) { 105 return new ArrayList<>(mUserToSerialMap.keySet()); 106 } 107 } 108 109 List<UserHandle> users = mUserManager.getUserProfiles(); 110 return users == null ? Collections.<UserHandle>emptyList() : users; 111 } 112 113 @Override 114 public CharSequence getBadgedLabelForUser(CharSequence label, UserHandle user) { 115 if (user == null) { 116 return label; 117 } 118 return mPm.getUserBadgedLabel(label, user); 119 } 120 121 @Override 122 public long getUserCreationTime(UserHandle user) { 123 SharedPreferences prefs = ManagedProfileHeuristic.prefs(mContext); 124 String key = USER_CREATION_TIME_KEY + getSerialNumberForUser(user); 125 if (!prefs.contains(key)) { 126 prefs.edit().putLong(key, System.currentTimeMillis()).apply(); 127 } 128 return prefs.getLong(key, 0); 129 } 130 } 131 132