[osx] Fixed IB latitude/longitude inspectables

platform/osx/sdk/Mapbox.m

@@ -1,5 +1,6 @@
 #import <Mapbox/Mapbox.h>
 
+#import "../src/MGLMapView_Private.h"
 #import "../src/NSBundle+MGLAdditions.h"
 #import "../src/NSProcessInfo+MGLAdditions.h"
 #import "../../darwin/NSString+MGLAdditions.h"
@@ -14,6 +15,7 @@ static void InitializeMapbox() {
     mgl_linkBundleCategory();
     mgl_linkStringCategory();
     mgl_linkProcessInfoCategory();
+    mgl_linkMapViewIBCategory();
     
     [MGLAccountManager class];
     [MGLAnnotationImage class];

platform/osx/src/MGLMapView+IBAdditions.m

@@ -2,6 +2,8 @@
 
 #import "MGLMapView_Private.h"
 
+void mgl_linkMapViewIBCategory() {}
+
 @implementation MGLMapView (IBAdditions)
 
 + (NS_SET_OF(NSString *) *)keyPathsForValuesAffectingStyleURL__ {

platform/osx/src/MGLMapView.mm

@@ -209,7 +209,7 @@ public:
 }
 
 + (NSArray *)restorableStateKeyPaths {
-    return @[@"zoomLevel", @"direction"];
+    return @[@"latitude", @"longitude", @"zoomLevel", @"direction"];
 }
 
 - (void)commonInit {
@@ -275,6 +275,8 @@ public:
     options.center = mbgl::LatLng(0, 0);
     options.zoom = _mbglMap->getMinZoom();
     _mbglMap->jumpTo(options);
+    _pendingLatitude = NAN;
+    _pendingLongitude = NAN;
 }
 
 /// Adds zoom controls to the lower-right corner.
@@ -770,6 +772,10 @@ public:
 
 #pragma mark Viewport
 
++ (NS_SET_OF(NSString *) *)keyPathsForValuesAffectingCenterCoordinate {
+    return [NSSet setWithObjects:@"latitude", @"longitude", nil];
+}
+
 - (CLLocationCoordinate2D)centerCoordinate {
     return MGLLocationCoordinate2DFromLatLng(_mbglMap->getLatLng());
 }
@@ -793,6 +799,22 @@ public:
     [self didChangeValueForKey:@"centerCoordinate"];
 }
 
+- (CLLocationDegrees)pendingLatitude {
+    return _pendingLatitude;
+}
+
+- (void)setPendingLatitude:(CLLocationDegrees)pendingLatitude {
+    _pendingLatitude = pendingLatitude;
+}
+
+- (CLLocationDegrees)pendingLongitude {
+    return _pendingLongitude;
+}
+
+- (void)setPendingLongitude:(CLLocationDegrees)pendingLongitude {
+    _pendingLongitude = pendingLongitude;
+}
+
 - (double)zoomLevel {
     return _mbglMap->getZoom();
 }

platform/osx/src/MGLMapView_Private.h

@@ -1,5 +1,7 @@
 #import <mbgl/osx/MGLMapView.h>
 
+void mgl_linkMapViewIBCategory();
+
 @interface MGLMapView (Private)
 
 /// True if the view or application is in a state where it is not expected to be