UserManagerCompatVL.java revision b84046dacf48b38069c89ac908ff5ae1e8fc1d13 
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
18package com.android.launcher3.compat;
19
20import android.annotation.TargetApi;
21import android.content.Context;
22import android.content.SharedPreferences;
23import android.content.pm.PackageManager;
24import android.os.Build;
25import android.os.UserHandle;
26
27import com.android.launcher3.LauncherAppState;
28import com.android.launcher3.Utilities;
29import com.android.launcher3.util.LongArrayMap;
30
31import java.util.ArrayList;
32import java.util.Collections;
33import java.util.HashMap;
34import java.util.List;
35
36@TargetApi(Build.VERSION_CODES.LOLLIPOP)
37public class UserManagerCompatVL extends UserManagerCompatV17 {
38    private static final String USER_CREATION_TIME_KEY = "user_creation_time_";
39
40    private final PackageManager mPm;
41    private final Context mContext;
42
43    UserManagerCompatVL(Context context) {
44        super(context);
45        mPm = context.getPackageManager();
46        mContext = context;
47    }
48
49    @Override
50    public void enableAndResetCache() {
51        synchronized (this) {
52            mUsers = new LongArrayMap<>();
53            mUserToSerialMap = new HashMap<>();
54            List<UserHandle> users = mUserManager.getUserProfiles();
55            if (users != null) {
56                for (UserHandle user : users) {
57                    long serial = mUserManager.getSerialNumberForUser(user);
58                    UserHandleCompat userCompat = UserHandleCompat.fromUser(user);
59                    mUsers.put(serial, userCompat);
60                    mUserToSerialMap.put(userCompat, serial);
61                }
62            }
63        }
64    }
65
66    @Override
67    public List<UserHandleCompat> getUserProfiles() {
68        synchronized (this) {
69            if (mUsers != null) {
70                List<UserHandleCompat> users = new ArrayList<>();
71                users.addAll(mUserToSerialMap.keySet());
72                return users;
73            }
74        }
75
76        List<UserHandle> users = mUserManager.getUserProfiles();
77        if (users == null) {
78            return Collections.emptyList();
79        }
80        ArrayList<UserHandleCompat> compatUsers = new ArrayList<UserHandleCompat>(
81                users.size());
82        for (UserHandle user : users) {
83            compatUsers.add(UserHandleCompat.fromUser(user));
84        }
85        return compatUsers;
86    }
87
88    @Override
89    public CharSequence getBadgedLabelForUser(CharSequence label, UserHandleCompat user) {
90        if (user == null) {
91            return label;
92        }
93        return mPm.getUserBadgedLabel(label, user.getUser());
94    }
95
96    @Override
97    public long getUserCreationTime(UserHandleCompat user) {
98        if (Utilities.ATLEAST_MARSHMALLOW) {
99            return mUserManager.getUserCreationTime(user.getUser());
100        }
101        SharedPreferences prefs = mContext.getSharedPreferences(
102                LauncherAppState.getSharedPreferencesKey(), Context.MODE_PRIVATE);
103        String key = USER_CREATION_TIME_KEY + getSerialNumberForUser(user);
104        if (!prefs.contains(key)) {
105            prefs.edit().putLong(key, System.currentTimeMillis()).apply();
106        }
107        return prefs.getLong(key, 0);
108    }
109}
110
111