toad.city
That fuck shit the fascists are using
1package org.tm.archive.maps;
2
3import android.Manifest;
4import android.content.Context;
5import android.content.pm.PackageManager;
6import android.location.Location;
7import android.location.LocationListener;
8import android.location.LocationManager;
9import android.location.LocationProvider;
10import android.os.Bundle;
11
12import androidx.annotation.NonNull;
13import androidx.annotation.Nullable;
14import androidx.core.content.ContextCompat;
15import androidx.lifecycle.DefaultLifecycleObserver;
16import androidx.lifecycle.LifecycleOwner;
17
18import org.signal.core.util.logging.Log;
19import org.tm.archive.util.ServiceUtil;
20
21/**
22 * A lifecycle-safe way to retrieve a single location update. If a cached location is available,
23 * we'll use that. Otherwise we'll listen for one.
24 */
25class LocationRetriever implements DefaultLifecycleObserver, LocationListener {
26
27 private static final String TAG = Log.tag(LocationRetriever.class);
28
29 private final Context context;
30 private final LocationManager locationManager;
31 private final SuccessListener successListener;
32 private final FailureListener failureListener;
33
34 LocationRetriever(@NonNull Context context, @NonNull LifecycleOwner lifecycleOwner, @NonNull SuccessListener successListener, @NonNull FailureListener failureListener) {
35 this.context = context;
36 this.locationManager = ServiceUtil.getLocationManager(context);
37 this.successListener = successListener;
38 this.failureListener = failureListener;
39
40 lifecycleOwner.getLifecycle().addObserver(this);
41 }
42
43 @Override
44 public void onStart(@NonNull LifecycleOwner owner) {
45 if (ContextCompat.checkSelfPermission(context, Manifest.permission.ACCESS_COARSE_LOCATION) != PackageManager.PERMISSION_GRANTED &&
46 ContextCompat.checkSelfPermission(context, Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED)
47 {
48 Log.w(TAG, "No location permission!");
49 failureListener.onFailure();
50 }
51
52 LocationProvider provider = locationManager.getProvider(LocationManager.GPS_PROVIDER);
53
54 if (provider == null) {
55 Log.w(TAG, "GPS provider is null. Trying network provider.");
56 provider = locationManager.getProvider(LocationManager.NETWORK_PROVIDER);
57 }
58
59 if (provider == null) {
60 Log.w(TAG, "Network provider is null. Unable to retrieve location.");
61 failureListener.onFailure();
62 return;
63 }
64
65 Location lastKnown = locationManager.getLastKnownLocation(provider.getName());
66
67 if (lastKnown != null) {
68 Log.i(TAG, "Using last known location.");
69 successListener.onSuccess(lastKnown);
70 } else {
71 Log.i(TAG, "No last known location. Requesting a single update.");
72 locationManager.requestSingleUpdate(provider.getName(), this, null);
73 }
74 }
75
76 @Override
77 public void onStop(@NonNull LifecycleOwner owner) {
78 Log.i(TAG, "Removing any possible location listeners.");
79 locationManager.removeUpdates(this);
80 }
81
82 @Override
83 public void onLocationChanged(@Nullable Location location) {
84 if (location != null) {
85 Log.w(TAG, "[onLocationChanged] Successfully retrieved location.");
86 successListener.onSuccess(location);
87 } else {
88 Log.w(TAG, "[onLocationChanged] Null location.");
89 failureListener.onFailure();
90 }
91 }
92
93 @Override
94 public void onStatusChanged(@NonNull String provider, int status, @Nullable Bundle extras) {
95 Log.i(TAG, "[onStatusChanged] Provider: " + provider + " Status: " + status);
96 }
97
98 @Override
99 public void onProviderEnabled(@NonNull String provider) {
100 Log.i(TAG, "[onProviderEnabled] Provider: " + provider);
101 }
102
103 @Override
104 public void onProviderDisabled(@NonNull String provider) {
105 Log.i(TAG, "[onProviderDisabled] Provider: " + provider);
106 }
107
108 interface SuccessListener {
109 void onSuccess(@NonNull Location location);
110 }
111
112 interface FailureListener {
113 void onFailure();
114 }
115}