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Bug 828563 - Return the most recent location, not the most accurate provider's most recent location. r=blassey

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This commit is contained in:
Chris Peterson 2013-05-07 15:19:58 -07:00
parent 8a141c20d0
commit a3735f4c86
1 changed files with 45 additions and 7 deletions
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52
mobile/android/base/GeckoAppShell.java
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@ -149,7 +149,7 @@ public class GeckoAppShell
private static Sensor gProximitySensor = null;
private static Sensor gLightSensor = null;
private static boolean mLocationHighAccuracy = false;
private static volatile boolean mLocationHighAccuracy;
public static ActivityHandlerHelper sActivityHelper = new ActivityHandlerHelper();
static NotificationClient sNotificationClient;
@ -393,14 +393,52 @@ public class GeckoAppShell
}
}
private static float getLocationAccuracy(Location location) {
float radius = location.getAccuracy();
return (location.hasAccuracy() && radius > 0) ? radius : 1001;
}
private static Location getLastKnownLocation() {
Location lastKnownLocation = null;
LocationManager lm = getLocationManager();
List<String> providers = lm.getAllProviders();
for (String provider : providers) {
Location location = lm.getLastKnownLocation(provider);
if (location == null) {
continue;
}
if (lastKnownLocation == null) {
lastKnownLocation = location;
continue;
}
long timeDiff = location.getElapsedRealtimeNanos()
- lastKnownLocation.getElapsedRealtimeNanos();
if (timeDiff > 0 ||
(timeDiff == 0 &&
getLocationAccuracy(location) < getLocationAccuracy(lastKnownLocation))) {
lastKnownLocation = location;
}
}
return lastKnownLocation;
}
public static void enableLocation(final boolean enable) {
ThreadUtils.postToUiThread(new Runnable() {
@Override
public void run() {
LocationManager lm = (LocationManager)
GeckoApp.mAppContext.getSystemService(Context.LOCATION_SERVICE);
LocationManager lm = getLocationManager();
if (enable) {
Location lastKnownLocation = getLastKnownLocation();
if (lastKnownLocation != null) {
GeckoApp.mAppContext.onLocationChanged(lastKnownLocation);
}
Criteria criteria = new Criteria();
criteria.setSpeedRequired(false);
criteria.setBearingRequired(false);
@ -420,10 +458,6 @@ public class GeckoAppShell
return;
Looper l = Looper.getMainLooper();
Location loc = lm.getLastKnownLocation(provider);
if (loc != null) {
GeckoApp.mAppContext.onLocationChanged(loc);
}
lm.requestLocationUpdates(provider, 100, (float).5, GeckoApp.mAppContext, l);
} else {
lm.removeUpdates(GeckoApp.mAppContext);
@ -432,6 +466,10 @@ public class GeckoAppShell
});
}
private static LocationManager getLocationManager() {
return (LocationManager) GeckoApp.mAppContext.getSystemService(Context.LOCATION_SERVICE);
}
public static void enableLocationHighAccuracy(final boolean enable) {
mLocationHighAccuracy = enable;
}