1 /*
2  * Copyright (C) 2016 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.incallui;
18 
19 import android.content.Context;
20 import android.support.annotation.Nullable;
21 import com.android.dialer.compat.UserManagerCompat;
22 
23 import com.android.contacts.common.preference.ContactsPreferences;
24 import com.android.contacts.common.testing.NeededForTesting;
25 
26 /**
27  * Factory class for {@link ContactsPreferences}.
28  */
29 public class ContactsPreferencesFactory {
30 
31     private static boolean sUseTestInstance;
32     private static ContactsPreferences sTestInstance;
33 
34     /**
35      * Creates a new {@link ContactsPreferences} object if possible.
36      *
37      * @param context the context to use when creating the ContactsPreferences.
38      * @return a new ContactsPreferences object or {@code null} if the user is locked.
39      */
40     @Nullable
newContactsPreferences(Context context)41     public static ContactsPreferences newContactsPreferences(Context context) {
42         if (sUseTestInstance) {
43             return sTestInstance;
44         }
45         if (UserManagerCompat.isUserUnlocked(context)) {
46             return new ContactsPreferences(context);
47         }
48         return null;
49     }
50 
51     /**
52      * Sets the instance to be returned by all calls to {@link #newContactsPreferences(Context)}.
53      *
54      * @param testInstance the instance to return.
55      */
56     @NeededForTesting
setTestInstance(ContactsPreferences testInstance)57     static void setTestInstance(ContactsPreferences testInstance) {
58         sUseTestInstance = true;
59         sTestInstance = testInstance;
60     }
61 }
62