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 android.support.v4.os.UserManagerCompat; 22 import com.android.contacts.common.preference.ContactsPreferences; 23 24 /** Factory class for {@link ContactsPreferences}. */ 25 public class ContactsPreferencesFactory { 26 27 private static boolean useTestInstance; 28 private static ContactsPreferences testInstance; 29 30 /** 31 * Creates a new {@link ContactsPreferences} object if possible. 32 * 33 * @param context the context to use when creating the ContactsPreferences. 34 * @return a new ContactsPreferences object or {@code null} if the user is locked. 35 */ 36 @Nullable 37 public static ContactsPreferences newContactsPreferences(Context context) { 38 if (useTestInstance) { 39 return testInstance; 40 } 41 if (UserManagerCompat.isUserUnlocked(context)) { 42 return new ContactsPreferences(context); 43 } 44 return null; 45 } 46 47 /** 48 * Sets the instance to be returned by all calls to {@link #newContactsPreferences(Context)}. 49 * 50 * @param testInstance the instance to return. 51 */ 52 static void setTestInstance(ContactsPreferences testInstance) { 53 useTestInstance = true; 54 ContactsPreferencesFactory.testInstance = testInstance; 55 } 56 } 57
