1 files changed, 57 insertions, 0 deletions
diff --git a/platform/ios/MGLUserLocation.m b/platform/ios/MGLUserLocation.m
new file mode 100644
index 0000000000..054dfa686d
--- /dev/null
+++ b/platform/ios/MGLUserLocation.m
@@ -0,0 +1,57 @@
+#import "MGLUserLocation_Private.h"
+
+@implementation MGLUserLocation
+{
+    CLLocationCoordinate2D _coordinate;
+}
+
+@synthesize coordinate = _coordinate;
+
+- (instancetype)init
+{
+    if (self = [super init])
+    {
+        _coordinate = CLLocationCoordinate2DMake(MAXFLOAT, MAXFLOAT);
+    }
+
+    return self;
+}
+
++ (BOOL)automaticallyNotifiesObserversForKey:(NSString *)key
+{
+    return ! [key isEqualToString:@"location"] && ! [key isEqualToString:@"heading"];
+}
+
++ (NSSet *)keyPathsForValuesAffectingCoordinate
+{
+    return [NSSet setWithObject:@"location"];
+}
+
+- (void)setLocation:(CLLocation *)newLocation
+{
+    if ([newLocation distanceFromLocation:_location] && newLocation.coordinate.latitude != 0 &&
+            newLocation.coordinate.longitude != 0)
+    {
+        [self willChangeValueForKey:@"location"];
+        _location = newLocation;
+        _coordinate = _location.coordinate;
+        [self didChangeValueForKey:@"location"];
+    }
+}
+
+- (void)setHeading:(CLHeading *)newHeading
+{
+    if (newHeading.trueHeading != _heading.trueHeading)
+    {
+        [self willChangeValueForKey:@"heading"];
+        _heading = newHeading;
+        [self didChangeValueForKey:@"heading"];
+    }
+}
+
+- (NSString *)title
+{
+    if ( ! _title) return @"Current Location";
+}
+
+@end