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#import "MGLUserLocation_Private.h"
#import "MGLMapView.h"
#import "NSBundle+MGLAdditions.h"
NS_ASSUME_NONNULL_BEGIN
@interface MGLUserLocation ()
@property (nonatomic, weak) MGLMapView *mapView;
@end
NS_ASSUME_NONNULL_END
@implementation MGLUserLocation
- (instancetype)initWithMapView:(MGLMapView *)mapView
{
if (self = [super init])
{
_mapView = mapView;
}
return self;
}
+ (BOOL)supportsSecureCoding {
return YES;
}
- (instancetype)initWithCoder:(NSCoder *)decoder {
if (self = [super init]) {
_location = [decoder decodeObjectOfClass:[CLLocation class] forKey:@"location"];
_title = [decoder decodeObjectOfClass:[NSString class] forKey:@"title"];
_subtitle = [decoder decodeObjectOfClass:[NSString class] forKey:@"subtitle"];
}
return self;
}
- (void)encodeWithCoder:(NSCoder *)coder {
[coder encodeObject:_location forKey:@"location"];
[coder encodeObject:_title forKey:@"title"];
[coder encodeObject:_subtitle forKey:@"subtitle"];
}
- (BOOL)isEqual:(id)other {
if (self == other) return YES;
if (![other isKindOfClass:[MGLUserLocation class]]) return NO;
MGLUserLocation *otherUserLocation = other;
return ((!self.location && !otherUserLocation.location) || [self.location distanceFromLocation:otherUserLocation.location] == 0)
&& ((!self.title && !otherUserLocation.title) || [self.title isEqualToString:otherUserLocation.title])
&& ((!self.subtitle && !otherUserLocation.subtitle) || [self.subtitle isEqualToString:otherUserLocation.subtitle]);
}
- (NSUInteger)hash {
NSUInteger hash = [super hash];
hash += [_location hash];
hash += [_heading hash];
hash += [_title hash];
hash += [_subtitle hash];
return hash;
}
+ (BOOL)automaticallyNotifiesObserversForKey:(NSString *)key
{
return ! [key isEqualToString:@"location"] && ! [key isEqualToString:@"heading"];
}
+ (NS_SET_OF(NSString *) *)keyPathsForValuesAffectingCoordinate
{
return [NSSet setWithObject:@"location"];
}
- (void)setLocation:(CLLocation *)newLocation
{
if ( ! newLocation || ! CLLocationCoordinate2DIsValid(newLocation.coordinate)) return;
if ( _location && CLLocationCoordinate2DIsValid(_location.coordinate) && [newLocation distanceFromLocation:_location] == 0) return;
if (newLocation.coordinate.latitude == 0 && newLocation.coordinate.longitude == 0) return;
[self willChangeValueForKey:@"location"];
_location = newLocation;
[self didChangeValueForKey:@"location"];
}
- (BOOL)isUpdating
{
return self.mapView.userTrackingMode != MGLUserTrackingModeNone;
}
- (void)setHeading:(CLHeading *)newHeading
{
if (newHeading.trueHeading != _heading.trueHeading)
{
[self willChangeValueForKey:@"heading"];
_heading = newHeading;
[self didChangeValueForKey:@"heading"];
}
}
- (CLLocationCoordinate2D)coordinate
{
return _location ? _location.coordinate : kCLLocationCoordinate2DInvalid;
}
- (NSString *)title
{
return _title ?: NSLocalizedStringWithDefaultValue(@"USER_DOT_TITLE", nil, nil, @"You Are Here", @"Default user location annotation title");
}
- (NSString *)description
{
return [NSString stringWithFormat:@"<%@: %p; location = %f, %f; updating = %@; altitude = %.0fm; heading = %.0f°; title = %@; subtitle = %@>",
NSStringFromClass([self class]), (void *)self,
self.location.coordinate.latitude, self.location.coordinate.longitude,
self.updating ? @"yes" : @"no",
self.location.altitude,
self.heading.trueHeading,
self.title ? [NSString stringWithFormat:@"\"%@\"", self.title] : self.title,
self.subtitle ? [NSString stringWithFormat:@"\"%@\"", self.subtitle] : self.subtitle];
}
@end
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