Move Android code for Geolocation out

Reviewed By: cpojer

Differential Revision: D14692916

fbshipit-source-id: 6bcfda8aa8c7d22dce36828dae9f57068815ce20

ReactAndroid/src/main/java/com/facebook/react/modules/location/BUCK

@@ -1,20 +0,0 @@
-load("//tools/build_defs/oss:rn_defs.bzl", "react_native_dep", "react_native_target", "rn_android_library")
-
-rn_android_library(
-    name = "location",
-    srcs = glob(["**/*.java"]),
-    is_androidx = True,
-    visibility = [
-        "PUBLIC",
-    ],
-    deps = [
-        react_native_dep("libraries/fbcore/src/main/java/com/facebook/common/logging:logging"),
-        react_native_dep("third-party/android/support/v4:lib-support-v4"),
-        react_native_dep("third-party/java/infer-annotations:infer-annotations"),
-        react_native_dep("third-party/java/jsr-305:jsr-305"),
-        react_native_target("java/com/facebook/react/bridge:bridge"),
-        react_native_target("java/com/facebook/react/common:common"),
-        react_native_target("java/com/facebook/react/module/annotations:annotations"),
-        react_native_target("java/com/facebook/react/modules/core:core"),
-    ],
-)

ReactAndroid/src/main/java/com/facebook/react/modules/location/LocationModule.java

@@ -1,377 +0,0 @@
-/**
- * Copyright (c) Facebook, Inc. and its affiliates.
- *
- * This source code is licensed under the MIT license found in the
- * LICENSE file in the root directory of this source tree.
- */
-
-package com.facebook.react.modules.location;
-
-import android.annotation.SuppressLint;
-import android.content.Context;
-import android.content.pm.PackageManager;
-import android.location.Location;
-import android.location.LocationListener;
-import android.location.LocationManager;
-import android.location.LocationProvider;
-import android.os.Build;
-import android.os.Bundle;
-import android.os.Handler;
-import androidx.core.content.ContextCompat;
-import com.facebook.common.logging.FLog;
-import com.facebook.react.bridge.Arguments;
-import com.facebook.react.bridge.Callback;
-import com.facebook.react.bridge.ReactApplicationContext;
-import com.facebook.react.bridge.ReactContextBaseJavaModule;
-import com.facebook.react.bridge.ReactMethod;
-import com.facebook.react.bridge.ReadableMap;
-import com.facebook.react.bridge.WritableMap;
-import com.facebook.react.common.ReactConstants;
-import com.facebook.react.common.SystemClock;
-import com.facebook.react.module.annotations.ReactModule;
-import com.facebook.react.modules.core.DeviceEventManagerModule.RCTDeviceEventEmitter;
-import javax.annotation.Nullable;
-
-/**
- * Native module that exposes Geolocation to JS.
- */
-@SuppressLint("MissingPermission")
-@ReactModule(name = LocationModule.NAME)
-public class LocationModule extends ReactContextBaseJavaModule {
-
-  public static final String NAME = "LocationObserver";
-  private @Nullable String mWatchedProvider;
-  private static final float RCT_DEFAULT_LOCATION_ACCURACY = 100;
-
-  private final LocationListener mLocationListener = new LocationListener() {
-    @Override
-    public void onLocationChanged(Location location) {
-      getReactApplicationContext().getJSModule(RCTDeviceEventEmitter.class)
-          .emit("geolocationDidChange", locationToMap(location));
-    }
-
-    @Override
-    public void onStatusChanged(String provider, int status, Bundle extras) {
-      if (status == LocationProvider.OUT_OF_SERVICE) {
-        emitError(PositionError.POSITION_UNAVAILABLE, "Provider " + provider + " is out of service.");
-      } else if (status == LocationProvider.TEMPORARILY_UNAVAILABLE) {
-        emitError(PositionError.TIMEOUT, "Provider " + provider + " is temporarily unavailable.");
-      }
-    }
-
-    @Override
-    public void onProviderEnabled(String provider) { }
-
-    @Override
-    public void onProviderDisabled(String provider) { }
-  };
-
-  public LocationModule(ReactApplicationContext reactContext) {
-    super(reactContext);
-  }
-
-  @Override
-  public String getName() {
-    return NAME;
-  }
-
-  private static class LocationOptions {
-    private final long timeout;
-    private final double maximumAge;
-    private final boolean highAccuracy;
-    private final float distanceFilter;
-
-    private LocationOptions(
-      long timeout,
-      double maximumAge,
-      boolean highAccuracy,
-      float distanceFilter) {
-      this.timeout = timeout;
-      this.maximumAge = maximumAge;
-      this.highAccuracy = highAccuracy;
-      this.distanceFilter = distanceFilter;
-    }
-
-    private static LocationOptions fromReactMap(ReadableMap map) {
-      // precision might be dropped on timeout (double -> int conversion), but that's OK
-      long timeout =
-          map.hasKey("timeout") ? (long) map.getDouble("timeout") : Long.MAX_VALUE;
-      double maximumAge =
-          map.hasKey("maximumAge") ? map.getDouble("maximumAge") : Double.POSITIVE_INFINITY;
-      boolean highAccuracy =
-          map.hasKey("enableHighAccuracy") && map.getBoolean("enableHighAccuracy");
-      float distanceFilter = map.hasKey("distanceFilter") ?
-        (float) map.getDouble("distanceFilter") :
-        RCT_DEFAULT_LOCATION_ACCURACY;
-
-      return new LocationOptions(timeout, maximumAge, highAccuracy, distanceFilter);
-    }
-  }
-
-  /**
-   * Get the current position. This can return almost immediately if the location is cached or
-   * request an update, which might take a while.
-   *
-   * @param options map containing optional arguments: timeout (millis), maximumAge (millis) and
-   *        highAccuracy (boolean)
-   */
-  @ReactMethod
-  public void getCurrentPosition(
-      ReadableMap options,
-      final Callback success,
-      Callback error) {
-    LocationOptions locationOptions = LocationOptions.fromReactMap(options);
-
-    try {
-      LocationManager locationManager =
-          (LocationManager) getReactApplicationContext().getSystemService(Context.LOCATION_SERVICE);
-      String provider = getValidProvider(locationManager, locationOptions.highAccuracy);
-      if (provider == null) {
-        error.invoke(
-            PositionError.buildError(
-                PositionError.POSITION_UNAVAILABLE, "No location provider available."));
-        return;
-      }
-      Location location = locationManager.getLastKnownLocation(provider);
-      if (location != null && (SystemClock.currentTimeMillis() - location.getTime()) < locationOptions.maximumAge) {
-        success.invoke(locationToMap(location));
-        return;
-      }
-
-      new SingleUpdateRequest(locationManager, provider, locationOptions.timeout, success, error)
-          .invoke(location);
-    } catch (SecurityException e) {
-      throwLocationPermissionMissing(e);
-    }
-  }
-
-  /**
-   * Start listening for location updates. These will be emitted via the
-   * {@link RCTDeviceEventEmitter} as {@code geolocationDidChange} events.
-   *
-   * @param options map containing optional arguments: highAccuracy (boolean)
-   */
-  @ReactMethod
-  public void startObserving(ReadableMap options) {
-    if (LocationManager.GPS_PROVIDER.equals(mWatchedProvider)) {
-      return;
-    }
-    LocationOptions locationOptions = LocationOptions.fromReactMap(options);
-
-    try {
-      LocationManager locationManager =
-          (LocationManager) getReactApplicationContext().getSystemService(Context.LOCATION_SERVICE);
-      String provider = getValidProvider(locationManager, locationOptions.highAccuracy);
-      if (provider == null) {
-        emitError(PositionError.POSITION_UNAVAILABLE, "No location provider available.");
-        return;
-      }
-      if (!provider.equals(mWatchedProvider)) {
-        locationManager.removeUpdates(mLocationListener);
-        locationManager.requestLocationUpdates(
-          provider,
-          1000,
-          locationOptions.distanceFilter,
-          mLocationListener);
-      }
-      mWatchedProvider = provider;
-    } catch (SecurityException e) {
-      throwLocationPermissionMissing(e);
-    }
-  }
-
-  /**
-   * Stop listening for location updates.
-   *
-   * NB: this is not balanced with {@link #startObserving}: any number of calls to that method will
-   * be canceled by just one call to this one.
-   */
-  @ReactMethod
-  public void stopObserving() {
-    LocationManager locationManager =
-        (LocationManager) getReactApplicationContext().getSystemService(Context.LOCATION_SERVICE);
-    locationManager.removeUpdates(mLocationListener);
-    mWatchedProvider = null;
-  }
-
-  @Nullable
-  private String getValidProvider(LocationManager locationManager, boolean highAccuracy) {
-    String provider =
-        highAccuracy ? LocationManager.GPS_PROVIDER : LocationManager.NETWORK_PROVIDER;
-    if (!locationManager.isProviderEnabled(provider)) {
-      provider = provider.equals(LocationManager.GPS_PROVIDER)
-          ? LocationManager.NETWORK_PROVIDER
-          : LocationManager.GPS_PROVIDER;
-      if (!locationManager.isProviderEnabled(provider)) {
-        return null;
-      }
-    }
-    // If it's an enabled provider, but we don't have permissions, ignore it
-    int finePermission = ContextCompat.checkSelfPermission(getReactApplicationContext(), android.Manifest.permission.ACCESS_FINE_LOCATION);
-    if (provider.equals(LocationManager.GPS_PROVIDER) && finePermission != PackageManager.PERMISSION_GRANTED) {
-      return null;
-    }
-    return provider;
-  }
-
-  private static WritableMap locationToMap(Location location) {
-    WritableMap map = Arguments.createMap();
-    WritableMap coords = Arguments.createMap();
-    coords.putDouble("latitude", location.getLatitude());
-    coords.putDouble("longitude", location.getLongitude());
-    coords.putDouble("altitude", location.getAltitude());
-    coords.putDouble("accuracy", location.getAccuracy());
-    coords.putDouble("heading", location.getBearing());
-    coords.putDouble("speed", location.getSpeed());
-    map.putMap("coords", coords);
-    map.putDouble("timestamp", location.getTime());
-
-    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR2) {
-      map.putBoolean("mocked", location.isFromMockProvider());
-    }
-
-    return map;
-  }
-
-  private void emitError(int code, String message) {
-    getReactApplicationContext().getJSModule(RCTDeviceEventEmitter.class)
-        .emit("geolocationError", PositionError.buildError(code, message));
-  }
-
-  /**
-   * Provides a clearer exception message than the default one.
-   */
-  private static void throwLocationPermissionMissing(SecurityException e) {
-    throw new SecurityException(
-      "Looks like the app doesn't have the permission to access location.\n" +
-      "Add the following line to your app's AndroidManifest.xml:\n" +
-      "<uses-permission android:name=\"android.permission.ACCESS_FINE_LOCATION\" />", e);
-  }
-
-  private static class SingleUpdateRequest {
-
-    private final Callback mSuccess;
-    private final Callback mError;
-    private final LocationManager mLocationManager;
-    private final String mProvider;
-    private final long mTimeout;
-    private Location mOldLocation;
-    private final Handler mHandler = new Handler();
-    private final Runnable mTimeoutRunnable = new Runnable() {
-      @Override
-      public void run() {
-        synchronized (SingleUpdateRequest.this) {
-          if (!mTriggered) {
-            mError.invoke(PositionError.buildError(PositionError.TIMEOUT, "Location request timed out"));
-            mLocationManager.removeUpdates(mLocationListener);
-            FLog.i(ReactConstants.TAG, "LocationModule: Location request timed out");
-            mTriggered = true;
-          }
-        }
-      }
-    };
-    private final LocationListener mLocationListener = new LocationListener() {
-      @Override
-      public void onLocationChanged(Location location) {
-        synchronized (SingleUpdateRequest.this) {
-          if (!mTriggered && isBetterLocation(location, mOldLocation)) {
-            mSuccess.invoke(locationToMap(location));
-            mHandler.removeCallbacks(mTimeoutRunnable);
-            mTriggered = true;
-            mLocationManager.removeUpdates(mLocationListener);
-          }
-
-          mOldLocation = location;
-        }
-      }
-
-      @Override
-      public void onStatusChanged(String provider, int status, Bundle extras) {}
-
-      @Override
-      public void onProviderEnabled(String provider) {}
-
-      @Override
-      public void onProviderDisabled(String provider) {}
-    };
-    private boolean mTriggered;
-
-    private SingleUpdateRequest(
-        LocationManager locationManager,
-        String provider,
-        long timeout,
-        Callback success,
-        Callback error) {
-      mLocationManager = locationManager;
-      mProvider = provider;
-      mTimeout = timeout;
-      mSuccess = success;
-      mError = error;
-    }
-
-    public void invoke(Location location) {
-      mOldLocation = location;
-      mLocationManager.requestLocationUpdates(mProvider, 100, 1, mLocationListener);
-      mHandler.postDelayed(mTimeoutRunnable, mTimeout);
-    }
-
-    private static final int TWO_MINUTES = 1000 * 60 * 2;
-
-    /** Determines whether one Location reading is better than the current Location fix
-    * taken from Android Examples https://developer.android.com/guide/topics/location/strategies.html
-    *
-    * @param location  The new Location that you want to evaluate
-    * @param currentBestLocation  The current Location fix, to which you want to compare the new one
-    */
-    private boolean isBetterLocation(Location location, Location currentBestLocation) {
-      if (currentBestLocation == null) {
-        // A new location is always better than no location
-        return true;
-      }
-
-      // Check whether the new location fix is newer or older
-      long timeDelta = location.getTime() - currentBestLocation.getTime();
-      boolean isSignificantlyNewer = timeDelta > TWO_MINUTES;
-      boolean isSignificantlyOlder = timeDelta < -TWO_MINUTES;
-      boolean isNewer = timeDelta > 0;
-
-      // If it's been more than two minutes since the current location, use the new location
-      // because the user has likely moved
-      if (isSignificantlyNewer) {
-        return true;
-      // If the new location is more than two minutes older, it must be worse
-      } else if (isSignificantlyOlder) {
-        return false;
-      }
-
-      // Check whether the new location fix is more or less accurate
-      int accuracyDelta = (int) (location.getAccuracy() - currentBestLocation.getAccuracy());
-      boolean isLessAccurate = accuracyDelta > 0;
-      boolean isMoreAccurate = accuracyDelta < 0;
-      boolean isSignificantlyLessAccurate = accuracyDelta > 200;
-
-      // Check if the old and new location are from the same provider
-      boolean isFromSameProvider = isSameProvider(location.getProvider(),
-      currentBestLocation.getProvider());
-
-      // Determine location quality using a combination of timeliness and accuracy
-      if (isMoreAccurate) {
-        return true;
-      } else if (isNewer && !isLessAccurate) {
-        return true;
-      } else if (isNewer && !isSignificantlyLessAccurate && isFromSameProvider) {
-        return true;
-      }
-
-      return false;
-  }
-
-  /** Checks whether two providers are the same */
-  private boolean isSameProvider(String provider1, String provider2) {
-    if (provider1 == null) {
-        return provider2 == null;
-      }
-    return provider1.equals(provider2);
-    }
-  }
-}

ReactAndroid/src/main/java/com/facebook/react/modules/location/PositionError.java

@@ -1,51 +0,0 @@
-/**
- * Copyright (c) Facebook, Inc. and its affiliates.
- *
- * This source code is licensed under the MIT license found in the
- * LICENSE file in the root directory of this source tree.
- */
-
-package com.facebook.react.modules.location;
-
-import com.facebook.react.bridge.Arguments;
-import com.facebook.react.bridge.WritableMap;
-
-/**
- * @see {https://developer.mozilla.org/en-US/docs/Web/API/PositionError}
- */
-public class PositionError {
-  /**
-   * The acquisition of the geolocation information failed because
-   * the page didn't have the permission to do it.
-   */
-  public static int PERMISSION_DENIED = 1;
-
-  /**
-   * The acquisition of the geolocation failed because at least one
-   * internal source of position returned an internal error.
-   */
-  public static int POSITION_UNAVAILABLE = 2;
-
-  /**
-   * The time allowed to acquire the geolocation, defined by
-   * PositionOptions.timeout information was reached before the information was obtained.
-   */
-  public static int TIMEOUT = 3;
-
-  public static WritableMap buildError(int code, String message) {
-    WritableMap error = Arguments.createMap();
-    error.putInt("code", code);
-
-    if (message != null) {
-      error.putString("message", message);
-    }
-    
-    /**
-    * Provide error types in error message. Feature parity with iOS
-    */
-    error.putInt("PERMISSION_DENIED", PERMISSION_DENIED);
-    error.putInt("POSITION_UNAVAILABLE", POSITION_UNAVAILABLE);
-    error.putInt("TIMEOUT", TIMEOUT);
-    return error;
-  }
-}

ReactAndroid/src/main/java/com/facebook/react/shell/BUCK

@@ -34,7 +34,6 @@ rn_android_library(
         react_native_target("java/com/facebook/react/modules/i18nmanager:i18nmanager"),
         react_native_target("java/com/facebook/react/modules/image:image"),
         react_native_target("java/com/facebook/react/modules/intent:intent"),
-        react_native_target("java/com/facebook/react/modules/location:location"),
         react_native_target("java/com/facebook/react/modules/netinfo:netinfo"),
         react_native_target("java/com/facebook/react/modules/network:network"),
         react_native_target("java/com/facebook/react/modules/permissions:permissions"),

ReactAndroid/src/main/java/com/facebook/react/shell/MainReactPackage.java

@@ -28,7 +28,6 @@ import com.facebook.react.modules.fresco.FrescoModule;
 import com.facebook.react.modules.i18nmanager.I18nManagerModule;
 import com.facebook.react.modules.image.ImageLoaderModule;
 import com.facebook.react.modules.intent.IntentModule;
-import com.facebook.react.modules.location.LocationModule;
 import com.facebook.react.modules.netinfo.NetInfoModule;
 import com.facebook.react.modules.network.NetworkingModule;
 import com.facebook.react.modules.permissions.PermissionsModule;
@@ -88,7 +87,6 @@ import javax.inject.Provider;
   ImageLoaderModule.class,
   ImageStoreManager.class,
   IntentModule.class,
-  LocationModule.class,
   NativeAnimatedModule.class,
   NetworkingModule.class,
   NetInfoModule.class,
@@ -239,14 +237,6 @@ public class MainReactPackage extends LazyReactPackage {
                 return new IntentModule(context);
               }
             }),
-        ModuleSpec.nativeModuleSpec(
-            LocationModule.class,
-            new Provider<NativeModule>() {
-              @Override
-              public NativeModule get() {
-                return new LocationModule(context);
-              }
-            }),
         ModuleSpec.nativeModuleSpec(
             NativeAnimatedModule.class,
             new Provider<NativeModule>() {