updateLocations

gistfile1.m

- (void)updateLocations {
  NSDictionary *metadata = viewControllerDelegate.stillPhotoMetadata;
  [self updateLocationsWithMetadata:metadata];
}

- (void)updateLocationsWithMetadata:(NSDictionary *)metadata {
  CLLocation *gpsLoc;

  if (metadata != nil) {
    NSString *latRef = [((NSDictionary *)[metadata objectForKey:@"{GPS}"]) valueForKey:@"LatitudeRef"];
    NSString *lonRef = [((NSDictionary *)[metadata objectForKey:@"{GPS}"]) valueForKey:@"LongitudeRef"];
        
    int latDirection = ([latRef isEqualToString:@"S"]) ? -1 : 1;
    int lonDirection = ([lonRef isEqualToString:@"W"]) ? -1 : 1;

    NSNumber *photoLat = [((NSDictionary *)[metadata objectForKey:@"{GPS}"]) valueForKey:@"Latitude"];
    NSNumber *photoLon = [((NSDictionary *)[metadata objectForKey:@"{GPS}"]) valueForKey:@"Longitude"];
    gpsLoc = [[[CLLocation alloc] initWithLatitude:[photoLat floatValue]*latDirection longitude:[photoLon floatValue]*lonDirection] autorelease];
  } else {
    gpsLoc = ((Panda_MobileAppDelegate *)[[UIApplication sharedApplication] delegate]).currentLocation;
  }

  [HPAPI cancel:_requestUpdateLocation release:true];
  _requestUpdateLocation = [[[HPAPI sharedInstance] loadLocations:gpsLoc target:self onFinish:@selector(refreshLocationData:) onFail:@selector(onASIError:)] retain];
}