f1200d47db
Assigned unique IDs to localizable English strings in code. Made iosapp non-localizable. For the time being, it isn’t worth the trouble to localize more strings for this demo application than for the SDK itself.
88 lines
2.4 KiB
Objective-C
88 lines
2.4 KiB
Objective-C
#import "MGLUserLocation_Private.h"
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#import "MGLMapView.h"
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#import "NSBundle+MGLAdditions.h"
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NS_ASSUME_NONNULL_BEGIN
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@interface MGLUserLocation ()
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@property (nonatomic, weak) MGLMapView *mapView;
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@end
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NS_ASSUME_NONNULL_END
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@implementation MGLUserLocation
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- (instancetype)initWithMapView:(MGLMapView *)mapView
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{
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if (self = [super init])
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{
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_location = [[CLLocation alloc] initWithLatitude:MAXFLOAT longitude:MAXFLOAT];
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_mapView = mapView;
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}
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return self;
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}
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+ (BOOL)automaticallyNotifiesObserversForKey:(NSString *)key
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{
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return ! [key isEqualToString:@"location"] && ! [key isEqualToString:@"heading"];
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}
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+ (NS_SET_OF(NSString *) *)keyPathsForValuesAffectingCoordinate
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{
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return [NSSet setWithObject:@"location"];
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}
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- (void)setLocation:(CLLocation *)newLocation
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{
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if ( ! newLocation || ! CLLocationCoordinate2DIsValid(newLocation.coordinate)) return;
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if ( _location && CLLocationCoordinate2DIsValid(_location.coordinate) && [newLocation distanceFromLocation:_location] == 0) return;
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if (newLocation.coordinate.latitude == 0 && newLocation.coordinate.longitude == 0) return;
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[self willChangeValueForKey:@"location"];
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_location = newLocation;
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[self didChangeValueForKey:@"location"];
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}
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- (BOOL)isUpdating
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{
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return self.mapView.userTrackingMode != MGLUserTrackingModeNone;
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}
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- (void)setHeading:(CLHeading *)newHeading
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{
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if (newHeading.trueHeading != _heading.trueHeading)
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{
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[self willChangeValueForKey:@"heading"];
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_heading = newHeading;
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[self didChangeValueForKey:@"heading"];
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}
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}
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- (CLLocationCoordinate2D)coordinate
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{
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return self.location.coordinate;
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}
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- (NSString *)title
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{
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return _title ?: NSLocalizedStringWithDefaultValue(@"USER_DOT_TITLE", nil, nil, @"You Are Here", @"Default user location annotation title");
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}
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- (NSString *)description
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{
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return [NSString stringWithFormat:@"<%@: %p; location = %f, %f; updating = %@; altitude = %.0fm; heading = %.0f°; title = %@; subtitle = %@>",
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NSStringFromClass([self class]), (void *)self,
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self.location.coordinate.latitude, self.location.coordinate.longitude,
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self.updating ? @"yes" : @"no",
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self.location.altitude,
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self.heading.trueHeading,
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self.title ? [NSString stringWithFormat:@"\"%@\"", self.title] : self.title,
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self.subtitle ? [NSString stringWithFormat:@"\"%@\"", self.subtitle] : self.subtitle];
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}
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@end
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