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      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 import com.android.launcher3.LauncherAppState;
     28 import java.util.ArrayList;
     29 import java.util.Collections;
     30 import java.util.List;
     31 
     32 @TargetApi(Build.VERSION_CODES.LOLLIPOP)
     33 public class UserManagerCompatVL extends UserManagerCompatV17 {
     34     private static final String USER_CREATION_TIME_KEY = "user_creation_time_";
     35 
     36     private final PackageManager mPm;
     37     private final Context mContext;
     38 
     39     UserManagerCompatVL(Context context) {
     40         super(context);
     41         mPm = context.getPackageManager();
     42         mContext = context;
     43     }
     44 
     45     @Override
     46     public List<UserHandleCompat> getUserProfiles() {
     47         List<UserHandle> users = mUserManager.getUserProfiles();
     48         if (users == null) {
     49             return Collections.emptyList();
     50         }
     51         ArrayList<UserHandleCompat> compatUsers = new ArrayList<UserHandleCompat>(
     52                 users.size());
     53         for (UserHandle user : users) {
     54             compatUsers.add(UserHandleCompat.fromUser(user));
     55         }
     56         return compatUsers;
     57     }
     58 
     59     @Override
     60     public Drawable getBadgedDrawableForUser(Drawable unbadged, UserHandleCompat user) {
     61         return mPm.getUserBadgedIcon(unbadged, user.getUser());
     62     }
     63 
     64     @Override
     65     public CharSequence getBadgedLabelForUser(CharSequence label, UserHandleCompat user) {
     66         if (user == null) {
     67             return label;
     68         }
     69         return mPm.getUserBadgedLabel(label, user.getUser());
     70     }
     71 
     72     @Override
     73     public long getUserCreationTime(UserHandleCompat user) {
     74         // TODO: Use system API once available.
     75         SharedPreferences prefs = mContext.getSharedPreferences(
     76                 LauncherAppState.getSharedPreferencesKey(), Context.MODE_PRIVATE);
     77         String key = USER_CREATION_TIME_KEY + getSerialNumberForUser(user);
     78         if (!prefs.contains(key)) {
     79             prefs.edit().putLong(key, System.currentTimeMillis()).apply();
     80         }
     81         return prefs.getLong(key, 0);
     82     }
     83 }
     84 
     85