1 /*
2  * Copyright (C) 2015 Google Inc.
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 android.location.cts;
17 
18 import android.location.Location;
19 import android.location.LocationListener;
20 import android.location.LocationManager;
21 import android.os.Bundle;
22 
23 import java.util.ArrayList;
24 import java.util.List;
25 import java.util.concurrent.CountDownLatch;
26 import java.util.concurrent.TimeUnit;
27 
28 /**
29  * Used for receiving notifications from the LocationManager when the location has changed.
30  */
31 class TestLocationListener implements LocationListener {
32     private volatile boolean mProviderEnabled;
33     private volatile boolean mLocationReceived;
34     // Timeout in sec for count down latch wait
35     private static final int TIMEOUT_IN_SEC = 120;
36     private final CountDownLatch mCountDownLatch;
37     private List<Location>  mLocationList = null;
38 
TestLocationListener(int locationToCollect)39     TestLocationListener(int locationToCollect) {
40         mCountDownLatch = new CountDownLatch(locationToCollect);
41         mLocationList = new ArrayList<>();
42     }
43 
44     @Override
onLocationChanged(Location location)45     public void onLocationChanged(Location location) {
46         mLocationReceived = true;
47         mLocationList.add(location);
48         mCountDownLatch.countDown();
49     }
50 
51     @Override
onStatusChanged(String s, int i, Bundle bundle)52     public void onStatusChanged(String s, int i, Bundle bundle) {
53     }
54 
55     @Override
onProviderEnabled(String s)56     public void onProviderEnabled(String s) {
57         if (LocationManager.GPS_PROVIDER.equals(s)) {
58             mProviderEnabled = true;
59         }
60     }
61 
62     @Override
onProviderDisabled(String s)63     public void onProviderDisabled(String s) {
64         if (LocationManager.GPS_PROVIDER.equals(s)) {
65             mProviderEnabled = false;
66         }
67     }
68 
await()69     public boolean await() throws InterruptedException {
70         return TestUtils.waitFor(mCountDownLatch, TIMEOUT_IN_SEC);
71     }
72 
73     /**
74      * Get the list of locations received
75      *
76      * @return mLocationList, List of {@link Location}.
77      */
getReceivedLocationList()78     public List<Location> getReceivedLocationList(){
79         return mLocationList;
80     }
81 
82     /**
83      * Check if location provider is enabled.
84      *
85      * @return {@code true} if the location provider is enabled and {@code false}
86      *         if location provider is disabled.
87      */
isProviderEnabled()88     public boolean isProviderEnabled() {
89         return mProviderEnabled;
90     }
91 
92     /**
93      * Check if the location is received.
94      *
95      * @return {@code true} if the location is received and {@code false}
96      *         if location is not received.
97      */
isLocationReceived()98     public boolean isLocationReceived() {
99         return mLocationReceived;
100     }
101 }
102