1 2 /* 3 * Copyright (C) 2014 The Android Open Source Project 4 * 5 * Licensed under the Apache License, Version 2.0 (the "License"); 6 * you may not use this file except in compliance with the License. 7 * You may obtain a copy of the License at 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 */ 17 18 package com.android.launcher3.compat; 19 20 import android.annotation.TargetApi; 21 import android.content.Context; 22 import android.content.SharedPreferences; 23 import android.content.pm.PackageManager; 24 import android.graphics.drawable.Drawable; 25 import android.os.Build; 26 import android.os.UserHandle; 27 28 import com.android.launcher3.LauncherAppState; 29 import com.android.launcher3.Utilities; 30 import com.android.launcher3.util.LongArrayMap; 31 32 import java.util.ArrayList; 33 import java.util.Collections; 34 import java.util.HashMap; 35 import java.util.List; 36 37 @TargetApi(Build.VERSION_CODES.LOLLIPOP) 38 public class UserManagerCompatVL extends UserManagerCompatV17 { 39 private static final String USER_CREATION_TIME_KEY = "user_creation_time_"; 40 41 private final PackageManager mPm; 42 private final Context mContext; 43 UserManagerCompatVL(Context context)44 UserManagerCompatVL(Context context) { 45 super(context); 46 mPm = context.getPackageManager(); 47 mContext = context; 48 } 49 50 @Override enableAndResetCache()51 public void enableAndResetCache() { 52 synchronized (this) { 53 mUsers = new LongArrayMap<>(); 54 mUserToSerialMap = new HashMap<>(); 55 List<UserHandle> users = mUserManager.getUserProfiles(); 56 if (users != null) { 57 for (UserHandle user : users) { 58 long serial = mUserManager.getSerialNumberForUser(user); 59 UserHandleCompat userCompat = UserHandleCompat.fromUser(user); 60 mUsers.put(serial, userCompat); 61 mUserToSerialMap.put(userCompat, serial); 62 } 63 } 64 } 65 } 66 67 @Override getUserProfiles()68 public List<UserHandleCompat> getUserProfiles() { 69 synchronized (this) { 70 if (mUsers != null) { 71 List<UserHandleCompat> users = new ArrayList<>(); 72 users.addAll(mUserToSerialMap.keySet()); 73 return users; 74 } 75 } 76 77 List<UserHandle> users = mUserManager.getUserProfiles(); 78 if (users == null) { 79 return Collections.emptyList(); 80 } 81 ArrayList<UserHandleCompat> compatUsers = new ArrayList<UserHandleCompat>( 82 users.size()); 83 for (UserHandle user : users) { 84 compatUsers.add(UserHandleCompat.fromUser(user)); 85 } 86 return compatUsers; 87 } 88 89 @Override getBadgedDrawableForUser(Drawable unbadged, UserHandleCompat user)90 public Drawable getBadgedDrawableForUser(Drawable unbadged, UserHandleCompat user) { 91 return mPm.getUserBadgedIcon(unbadged, user.getUser()); 92 } 93 94 @Override getBadgedLabelForUser(CharSequence label, UserHandleCompat user)95 public CharSequence getBadgedLabelForUser(CharSequence label, UserHandleCompat user) { 96 if (user == null) { 97 return label; 98 } 99 return mPm.getUserBadgedLabel(label, user.getUser()); 100 } 101 102 @Override getUserCreationTime(UserHandleCompat user)103 public long getUserCreationTime(UserHandleCompat user) { 104 if (Utilities.ATLEAST_MARSHMALLOW) { 105 return mUserManager.getUserCreationTime(user.getUser()); 106 } 107 SharedPreferences prefs = mContext.getSharedPreferences( 108 LauncherAppState.getSharedPreferencesKey(), Context.MODE_PRIVATE); 109 String key = USER_CREATION_TIME_KEY + getSerialNumberForUser(user); 110 if (!prefs.contains(key)) { 111 prefs.edit().putLong(key, System.currentTimeMillis()).apply(); 112 } 113 return prefs.getLong(key, 0); 114 } 115 } 116 117