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 com.android.incallui.bindings.InCallUiBindings;
21 import com.android.incallui.bindings.InCallUiBindingsFactory;
22 import com.android.incallui.bindings.InCallUiBindingsStub;
23 import java.util.Objects;
24 
25 /** Accessor for the in call UI bindings. */
26 public class Bindings {
27 
28   private static InCallUiBindings instance;
29 
Bindings()30   private Bindings() {}
31 
get(Context context)32   public static InCallUiBindings get(Context context) {
33     Objects.requireNonNull(context);
34     if (instance != null) {
35       return instance;
36     }
37 
38     Context application = context.getApplicationContext();
39     if (application instanceof InCallUiBindingsFactory) {
40       instance = ((InCallUiBindingsFactory) application).newInCallUiBindings();
41     }
42 
43     if (instance == null) {
44       instance = new InCallUiBindingsStub();
45     }
46     return instance;
47   }
48 
setForTesting(InCallUiBindings testInstance)49   public static void setForTesting(InCallUiBindings testInstance) {
50     instance = testInstance;
51   }
52 }
53