69 lines
1.9 KiB
Objective-C
69 lines
1.9 KiB
Objective-C
#import "DroppedPinAnnotation.h"
|
|
|
|
#import "LocationCoordinate2DTransformer.h"
|
|
#import "TimeIntervalTransformer.h"
|
|
|
|
#import <Mapbox/Mapbox.h>
|
|
|
|
static MGLCoordinateFormatter *DroppedPinCoordinateFormatter;
|
|
|
|
@implementation DroppedPinAnnotation {
|
|
NSTimer *_timer;
|
|
NSTimeInterval _priorShownTimeInterval;
|
|
NSDate *_dateShown;
|
|
|
|
NSValueTransformer *_timeIntervalTransformer;
|
|
}
|
|
|
|
+ (void)initialize {
|
|
if (self == [DroppedPinAnnotation class]) {
|
|
DroppedPinCoordinateFormatter = [[MGLCoordinateFormatter alloc] init];
|
|
}
|
|
}
|
|
|
|
- (instancetype)init {
|
|
if (self = [super init]) {
|
|
_timeIntervalTransformer = [NSValueTransformer valueTransformerForName:
|
|
NSStringFromClass([TimeIntervalTransformer class])];
|
|
[self update:nil];
|
|
}
|
|
return self;
|
|
}
|
|
|
|
- (void)dealloc {
|
|
[self pause];
|
|
}
|
|
|
|
- (void)setCoordinate:(CLLocationCoordinate2D)coordinate {
|
|
super.coordinate = coordinate;
|
|
[self update:nil];
|
|
}
|
|
|
|
- (NSTimeInterval)elapsedShownTime {
|
|
return _priorShownTimeInterval - _dateShown.timeIntervalSinceNow;
|
|
}
|
|
|
|
- (void)resume {
|
|
_dateShown = [NSDate date];
|
|
_timer = [NSTimer scheduledTimerWithTimeInterval:1
|
|
target:self
|
|
selector:@selector(update:)
|
|
userInfo:nil
|
|
repeats:YES];
|
|
}
|
|
|
|
- (void)pause {
|
|
[_timer invalidate];
|
|
_timer = nil;
|
|
_priorShownTimeInterval -= _dateShown.timeIntervalSinceNow;
|
|
_dateShown = nil;
|
|
}
|
|
|
|
- (void)update:(NSTimer *)timer {
|
|
NSString *coordinate = [DroppedPinCoordinateFormatter stringFromCoordinate:self.coordinate];
|
|
NSString *elapsedTime = [_timeIntervalTransformer transformedValue:@(self.elapsedShownTime)];
|
|
self.subtitle = [NSString stringWithFormat:@"%@\nSelected for %@", coordinate, elapsedTime];
|
|
}
|
|
|
|
@end
|