OLD | NEW |
(Empty) | |
| 1 // Copyright 2017 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. |
| 4 |
| 5 package org.chromium.device.geolocation; |
| 6 |
| 7 import android.content.Context; |
| 8 import android.location.Location; |
| 9 import android.os.Bundle; |
| 10 |
| 11 import com.google.android.gms.common.ConnectionResult; |
| 12 import com.google.android.gms.common.GoogleApiAvailability; |
| 13 import com.google.android.gms.common.api.GoogleApiClient; |
| 14 import com.google.android.gms.common.api.GoogleApiClient.ConnectionCallbacks; |
| 15 import com.google.android.gms.common.api.GoogleApiClient.OnConnectionFailedListe
ner; |
| 16 import com.google.android.gms.location.FusedLocationProviderApi; |
| 17 import com.google.android.gms.location.LocationListener; |
| 18 import com.google.android.gms.location.LocationRequest; |
| 19 import com.google.android.gms.location.LocationServices; |
| 20 |
| 21 import org.chromium.base.Log; |
| 22 import org.chromium.base.ThreadUtils; |
| 23 |
| 24 /** |
| 25 * This is a LocationProvider using Google Play Services. |
| 26 * |
| 27 * https://developers.google.com/android/reference/com/google/android/gms/locati
on/package-summary |
| 28 */ |
| 29 public class LocationProviderGmsCore implements ConnectionCallbacks, OnConnectio
nFailedListener, |
| 30 LocationListener, |
| 31 LocationProviderFactory.Location
Provider { |
| 32 private static final String TAG = "cr_LocationProvider"; |
| 33 |
| 34 // Values for the LocationRequest's setInterval for normal and high accuracy
, respectively. |
| 35 private static final long UPDATE_INTERVAL_MS = 1000; |
| 36 private static final long UPDATE_INTERVAL_FAST_MS = 500; |
| 37 |
| 38 private final GoogleApiClient mGoogleApiClient; |
| 39 private FusedLocationProviderApi mLocationProviderApi = LocationServices.Fus
edLocationApi; |
| 40 |
| 41 private boolean mEnablehighAccuracy; |
| 42 private LocationRequest mLocationRequest; |
| 43 |
| 44 public static boolean isGooglePlayServicesAvailable(Context context) { |
| 45 return GoogleApiAvailability.getInstance().isGooglePlayServicesAvailable
(context) |
| 46 == ConnectionResult.SUCCESS; |
| 47 } |
| 48 |
| 49 LocationProviderGmsCore(Context context) { |
| 50 Log.i(TAG, "Google Play Services"); |
| 51 mGoogleApiClient = new GoogleApiClient.Builder(context) |
| 52 .addApi(LocationServices.API) |
| 53 .addConnectionCallbacks(this) |
| 54 .addOnConnectionFailedListener(this) |
| 55 .build(); |
| 56 assert mGoogleApiClient != null; |
| 57 } |
| 58 |
| 59 LocationProviderGmsCore(GoogleApiClient client, FusedLocationProviderApi loc
ationApi) { |
| 60 mGoogleApiClient = client; |
| 61 mLocationProviderApi = locationApi; |
| 62 } |
| 63 |
| 64 // ConnectionCallbacks implementation |
| 65 @Override |
| 66 public void onConnected(Bundle connectionHint) { |
| 67 ThreadUtils.assertOnUiThread(); |
| 68 |
| 69 mLocationRequest = LocationRequest.create(); |
| 70 if (mEnablehighAccuracy) { |
| 71 mLocationRequest.setPriority(LocationRequest.PRIORITY_HIGH_ACCURACY) |
| 72 .setInterval(UPDATE_INTERVAL_FAST_MS); |
| 73 } else { |
| 74 mLocationRequest.setPriority(LocationRequest.PRIORITY_BALANCED_POWER
_ACCURACY) |
| 75 .setInterval(UPDATE_INTERVAL_MS); |
| 76 } |
| 77 |
| 78 final Location location = mLocationProviderApi.getLastLocation(mGoogleAp
iClient); |
| 79 if (location != null) { |
| 80 LocationProviderAdapter.onNewLocationAvailable(location); |
| 81 } |
| 82 |
| 83 try { |
| 84 // Request updates on UI Thread replicating LocationProviderAndroid'
s behaviour. |
| 85 mLocationProviderApi.requestLocationUpdates( |
| 86 mGoogleApiClient, mLocationRequest, this, ThreadUtils.getUiT
hreadLooper()); |
| 87 } catch (IllegalStateException e) { |
| 88 // Happens "If this method is executed in a thread that has not call
ed Looper.prepare()" |
| 89 Log.e(TAG, "Unexpected exception " + e); |
| 90 assert false; |
| 91 } |
| 92 } |
| 93 |
| 94 @Override |
| 95 public void onConnectionSuspended(int cause) {} |
| 96 |
| 97 // OnConnectionFailedListener implementation |
| 98 @Override |
| 99 public void onConnectionFailed(ConnectionResult result) { |
| 100 LocationProviderAdapter.newErrorAvailable( |
| 101 "Failed to connect to Google Play Services: " + result.toString(
)); |
| 102 } |
| 103 |
| 104 // LocationProviderFactory.LocationProvider implementation |
| 105 @Override |
| 106 public void start(boolean enableHighAccuracy) { |
| 107 ThreadUtils.assertOnUiThread(); |
| 108 if (mGoogleApiClient.isConnected()) mGoogleApiClient.disconnect(); |
| 109 |
| 110 mEnablehighAccuracy = enableHighAccuracy; |
| 111 mGoogleApiClient.connect(); // Should return via onConnected(). |
| 112 } |
| 113 |
| 114 @Override |
| 115 public void stop() { |
| 116 ThreadUtils.assertOnUiThread(); |
| 117 if (!mGoogleApiClient.isConnected()) return; |
| 118 |
| 119 mLocationProviderApi.removeLocationUpdates(mGoogleApiClient, this); |
| 120 |
| 121 mGoogleApiClient.disconnect(); |
| 122 } |
| 123 |
| 124 @Override |
| 125 public boolean isRunning() { |
| 126 assert ThreadUtils.runningOnUiThread(); |
| 127 if (mGoogleApiClient == null) return false; |
| 128 return mGoogleApiClient.isConnecting() || mGoogleApiClient.isConnected()
; |
| 129 } |
| 130 |
| 131 // LocationListener implementation |
| 132 @Override |
| 133 public void onLocationChanged(Location location) { |
| 134 LocationProviderAdapter.onNewLocationAvailable(location); |
| 135 } |
| 136 } |
OLD | NEW |