--- android/TrainInfo/src/dk/thoerup/traininfo/LocationLookup.java	2009/09/11 12:24:53	319
+++ android/TrainInfo/src/dk/thoerup/traininfo/LocationLookup.java	2009/10/29 13:42:57	488
@@ -3,7 +3,6 @@
 import java.util.List;
 
 import android.content.Context;
-import android.location.Criteria;
 import android.location.Location;
 import android.location.LocationListener;
 import android.location.LocationManager;
@@ -18,19 +17,17 @@
 	Context cntx;
 	Handler hndl;
 
+	Location lastKnownLocation = null;
 	Location savedLocation = null;
 	
+	boolean isSearching = false;
 	boolean hasGps;
 
 	public LocationLookup(Context c, Handler h) {
 		cntx = c;
 		hndl = h;
-		
 	}
 	
-	public void abortLocationListener() {
-		locManager.removeUpdates(this);
-	}
 	
 	public boolean hasLocation() {
 		return savedLocation != null;
@@ -40,8 +37,15 @@
 	{
 		return savedLocation;
 	}
+	
+	public Location getLastKnownLocation() {
+		return lastKnownLocation;
+	}
 
 	public void locateStations() {
+		
+		isSearching = true;
+		
 		hasGps = false;
 		locManager = (LocationManager) cntx.getSystemService(Context.LOCATION_SERVICE);
 
@@ -53,15 +57,21 @@
 				if (provider.equalsIgnoreCase("gps"))
 					hasGps = true;
 				locManager.requestLocationUpdates(provider, 0, 0, this);
+				
+				saveLastKnownLocation(locManager.getLastKnownLocation(provider));
 			}
 		} else {
 			// message that no suitable provider was found
-			hndl.sendEmptyMessage(TrainInfoList.NOPROVIDER);
+			hndl.sendEmptyMessage(StationList.NOPROVIDER);
 		}
 	}
 	@Override
 	public void onLocationChanged(Location location) {
+		if (isSearching == false)
+			return;
+		
 		Log.i("Location", "Got location fix " + location.getLatitude() + ", " + location.getLongitude() + " accuracy=" + location.getAccuracy() + " provider=" +location.getProvider());
+		
 
 		if (savedLocation == null || location.getAccuracy() < savedLocation.getAccuracy())
 			savedLocation = new Location(location); //save a copy
@@ -69,25 +79,32 @@
 		if (hasGps) {
 			if (!location.getProvider().equals("gps")) {
 				return; // at least give the gps a chance
-			} else if (location.getAccuracy() > 100) {
+			} else if (location.getAccuracy() > 256) {
 				return; //if we have a gps provider lets wait for a more precise fix
 			}
 
 		}
-
-		locManager.removeUpdates(this);
-		hndl.sendEmptyMessage(TrainInfoList.GOTLOCATION);
+		stopSearch();
+		hndl.sendEmptyMessage(StationList.GOTLOCATION);
+	}
+	
+	private void saveLastKnownLocation(Location loc) {
+		if (lastKnownLocation == null) { 
+			lastKnownLocation = loc; 
+		} else {
+			if (loc.getTime() > lastKnownLocation.getTime()) {//if loc is more recent than saved
+				lastKnownLocation = loc;
+			}
+		}
+	}
+	
+	public void stopSearch()
+	{
+		if (isSearching) {
+			isSearching = false;
+			locManager.removeUpdates(this);
+		}
 	}
-	/*
-
-	public void findNearestStations(Location location) {
-		provider.lookupStations(location);
-		
-		if ( provider.getStations().size() > 0) 
-			hndl.sendEmptyMessage(TrainInfoList.GOTSTATIONLIST);
-		else
-			hndl.sendEmptyMessage(TrainInfoList.LOOKUPSTATIONFAILED);
-	}*/
 
 
 	@Override
@@ -105,41 +122,4 @@
 		// TODO Auto-generated method stub
 
 	}
-	
-
-	public static void injectMockLocation(Context cntx) {
-		Location odder = new Location("gps2"); 
-		odder.setLatitude(55.976632);
-		odder.setLongitude(10.16407);
-		
-		Location kbh = new Location("gps2"); //Christiansborg 55.675092,12.578573
-		kbh.setLatitude(55.675092);
-		kbh.setLongitude(12.578573);
-		
-		Location bjbro = new Location("gps2");
-		bjbro.setLatitude(56.380745);
-		bjbro.setLongitude(9.655609);
-		
-		Location hillerod = new Location("gps");
-		hillerod.setLatitude(55.929177);
-		hillerod.setLongitude(12.308095);
-		
-		Location aarhus = new Location("gps"); //Aros
-		aarhus.setLatitude(56.153828);
-		aarhus.setLongitude(10.200369);
-		
-		
-		
-		LocationManager lm = (LocationManager) cntx.getSystemService(Context.LOCATION_SERVICE);
-		if (lm.getProvider("gps2") == null)
-			lm.addTestProvider("gps2", false, true, true, false, false, false, false, 0, Criteria.ACCURACY_FINE );
-		lm.setTestProviderEnabled("gps2", true);
-		lm.setTestProviderLocation("gps2", kbh);
-	}
-	
-	public static void removeMockLocation(Context cntx) {
-		LocationManager lm = (LocationManager) cntx.getSystemService(Context.LOCATION_SERVICE);
-		if (lm.getProvider("gps2") != null)
-			lm.removeTestProvider("gps2");
-	}
 }