1 /*
2  * Copyright (C) 2019 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 package com.android.wallpaper.testing;
17 
18 
19 import com.android.wallpaper.module.NetworkStatusNotifier;
20 
21 import java.util.ArrayList;
22 import java.util.List;
23 
24 /**
25  * Test implementation of {@link NetworkStatusNotifier} which enables clients to manually notify
26  * listeners of a network status change.
27  */
28 public class TestNetworkStatusNotifier implements NetworkStatusNotifier {
29 
30     private List<Listener> mListeners;
31     @NetworkStatus
32     private int mNetworkStatus;
33 
TestNetworkStatusNotifier()34     public TestNetworkStatusNotifier() {
35         mListeners = new ArrayList<>();
36         mNetworkStatus = NETWORK_CONNECTED;
37     }
38 
39     @Override
getNetworkStatus()40     public int getNetworkStatus() {
41         return mNetworkStatus;
42     }
43 
44     @Override
registerListener(Listener listener)45     public void registerListener(Listener listener) {
46         mListeners.add(listener);
47         listener.onNetworkChanged(mNetworkStatus);
48     }
49 
50     @Override
unregisterListener(Listener listener)51     public void unregisterListener(Listener listener) {
52         mListeners.remove(listener);
53     }
54 
setAndNotifyNetworkStatus(@etworkStatus int networkStatus)55     public void setAndNotifyNetworkStatus(@NetworkStatus int networkStatus) {
56         mNetworkStatus = networkStatus;
57         for (Listener listener : mListeners) {
58             listener.onNetworkChanged(mNetworkStatus);
59         }
60     }
61 }
62