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.ConcurrentLinkedQueue; 26 import java.util.concurrent.CountDownLatch; 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 35 // Timeout in sec for count down latch wait 36 private static final int TIMEOUT_IN_SEC = 120; 37 private final CountDownLatch mCountDownLatch; 38 private ConcurrentLinkedQueue<Location> mLocationList = null; 39 TestLocationListener(int locationToCollect)40 TestLocationListener(int locationToCollect) { 41 mCountDownLatch = new CountDownLatch(locationToCollect); 42 mLocationList = new ConcurrentLinkedQueue<>(); 43 } 44 45 @Override onLocationChanged(Location location)46 public void onLocationChanged(Location location) { 47 mLocationReceived = true; 48 mLocationList.add(location); 49 mCountDownLatch.countDown(); 50 } 51 52 @Override onStatusChanged(String s, int i, Bundle bundle)53 public void onStatusChanged(String s, int i, Bundle bundle) { 54 } 55 56 @Override onProviderEnabled(String s)57 public void onProviderEnabled(String s) { 58 if (LocationManager.GPS_PROVIDER.equals(s)) { 59 mProviderEnabled = true; 60 } 61 } 62 63 @Override onProviderDisabled(String s)64 public void onProviderDisabled(String s) { 65 if (LocationManager.GPS_PROVIDER.equals(s)) { 66 mProviderEnabled = false; 67 } 68 } 69 await()70 public boolean await() throws InterruptedException { 71 return TestUtils.waitFor(mCountDownLatch, TIMEOUT_IN_SEC); 72 } 73 await(int timeInSec)74 public boolean await(int timeInSec) throws InterruptedException { 75 return TestUtils.waitFor(mCountDownLatch, timeInSec); 76 } 77 78 /** 79 * Get the list of locations received. 80 * 81 * Makes a copy of {@code mLocationList}. New locations received after this call is 82 * made are not reflected in the returned list so that the returned list can be safely 83 * iterated without getting a ConcurrentModificationException. Occasionally, 84 * even after calling TestLocationManager.removeLocationUpdates(), the location listener 85 * can receive one or two location updates. 86 */ getReceivedLocationList()87 public List<Location> getReceivedLocationList(){ 88 return new ArrayList(mLocationList); 89 } 90 91 /** 92 * Check if location provider is enabled. 93 * 94 * @return {@code true} if the location provider is enabled and {@code false} 95 * if location provider is disabled. 96 */ isProviderEnabled()97 public boolean isProviderEnabled() { 98 return mProviderEnabled; 99 } 100 101 /** 102 * Check if the location is received. 103 * 104 * @return {@code true} if the location is received and {@code false} 105 * if location is not received. 106 */ isLocationReceived()107 public boolean isLocationReceived() { 108 return mLocationReceived; 109 } 110 } 111