GPS: event-based using Raw.

Part of #1424.

src/main/java/de/dennisguse/opentracks/services/handlers/GPSManager.java

@@ -20,6 +20,9 @@ import de.dennisguse.opentracks.R;
 import de.dennisguse.opentracks.data.models.Distance;
 import de.dennisguse.opentracks.data.models.TrackPoint;
 import de.dennisguse.opentracks.sensors.SensorConnector;
+import de.dennisguse.opentracks.sensors.SensorManager;
+import de.dennisguse.opentracks.sensors.sensorData.AggregatorGPS;
+import de.dennisguse.opentracks.sensors.sensorData.Raw;
 import de.dennisguse.opentracks.settings.PreferencesUtils;
 import de.dennisguse.opentracks.util.LocationUtils;
 import de.dennisguse.opentracks.util.PermissionRequester;
@@ -32,6 +35,8 @@ public class GPSManager implements SensorConnector, LocationListenerCompat, GpsS
     private static final String LOCATION_PROVIDER = LocationManager.GPS_PROVIDER;
 
     private TrackPointCreator trackPointCreator;
+
+    private SensorManager.SensorDataChangedObserver listener;
     private Context context;
     private Handler handler;
 
@@ -40,8 +45,9 @@ public class GPSManager implements SensorConnector, LocationListenerCompat, GpsS
     private Duration gpsInterval;
     private Distance thresholdHorizontalAccuracy;
 
-    public GPSManager(TrackPointCreator trackPointCreator) {
+    public GPSManager(TrackPointCreator trackPointCreator, SensorManager.SensorDataChangedObserver listener) {
         this.trackPointCreator = trackPointCreator;
+        this.listener = listener;
     }
 
     public void start(@NonNull Context context, @NonNull Handler handler) {
@@ -52,6 +58,9 @@ public class GPSManager implements SensorConnector, LocationListenerCompat, GpsS
 
         gpsStatusManager = new GpsStatusManager(context, this, handler);
         locationManager = (LocationManager) context.getSystemService(Context.LOCATION_SERVICE);
+
+        listener.onConnect(new AggregatorGPS("internal"));
+
         registerLocationListener();
         gpsStatusManager.start();
     }
@@ -72,6 +81,9 @@ public class GPSManager implements SensorConnector, LocationListenerCompat, GpsS
         gpsStatusManager.stop();
         gpsStatusManager = null;
 
+        listener.onDisconnect(new AggregatorGPS("internal"));
+        listener = null;
+
         trackPointCreator = null;
     }
 
@@ -126,7 +138,7 @@ public class GPSManager implements SensorConnector, LocationListenerCompat, GpsS
             return;
         }
 
-        trackPointCreator.onChange(location);
+        listener.onChange(new Raw<>(location));
     }
 
     @Override

src/main/java/de/dennisguse/opentracks/services/handlers/TrackPointCreator.java

@@ -2,7 +2,6 @@ package de.dennisguse.opentracks.services.handlers;
 
 import android.content.Context;
 import android.content.SharedPreferences;
-import android.location.Location;
 import android.os.Handler;
 import android.util.Log;
 import android.util.Pair;
@@ -69,10 +68,6 @@ public class TrackPointCreator implements SharedPreferences.OnSharedPreferenceCh
         this.context = null;
     }
 
-    public synchronized void onChange(@NonNull Location location) {
-        onNewTrackPoint(new TrackPoint(location, createNow()));
-    }
-
     /**
      * Got a new TrackPoint from Bluetooth only; contains no GPS location.
      */