//
//  RMUserLocation.m
//  MapView
//
//  Created by Justin Miller on 5/8/12.
//  Copyright (c) 2012 MapBox / Development Seed. All rights reserved.
//

#import "RMUserLocation.h"
#import "RMMarker.h"
#import "RMMapView.h"

@implementation RMUserLocation

@synthesize updating;
@synthesize location;
@synthesize heading;

- (id)initWithMapView:(RMMapView *)aMapView coordinate:(CLLocationCoordinate2D)aCoordinate andTitle:(NSString *)aTitle
{
    if ( ! (self = [super initWithMapView:aMapView coordinate:aCoordinate andTitle:aTitle]))
        return nil;

    NSAssert([[NSBundle mainBundle] pathForResource:@"TrackingDot" ofType:@"png"], @"Unable to find necessary user location graphical assets (copy from MapView/Map/Resources)");
    
    layer = [[RMMarker alloc] initWithUIImage:[UIImage imageNamed:@"TrackingDot.png"]];
    
    return self;
}

- (BOOL)isUpdating
{
    return (self.mapView.userTrackingMode != RMUserTrackingModeNone);
}

- (void)setLocation:(CLLocation *)newLocation
{
    if ([newLocation distanceFromLocation:location])
    {
        [location release];
        location = [newLocation retain];
        self.coordinate = location.coordinate;
    }
}

- (void)setHeading:(CLHeading *)newHeading
{
    if (newHeading.trueHeading != heading.trueHeading)
    {
        [heading release];
        heading = [newHeading retain];
    }
}

@end