Inspectable toggles

Added inspectables for toggling zooming, panning, rotating, and showing the user location for parity with `MKMapView`.

include/mbgl/ios/MGLMapView+IBAdditions.h

@@ -11,7 +11,7 @@
 @property (nonatomic) IBInspectable NSString *accessToken;
 @property (nonatomic) IBInspectable NSString *mapID;
 
-// Some convenience properties related to the initial viewport. These properties
+// Convenience properties related to the initial viewport. These properties
 // are not meant to be used outside of Interface Builder. latitude and longitude
 // are backed by properties of type CLLocationDegrees, but these declarations
 // must use the type double because Interface Builder is unaware that
@@ -21,4 +21,13 @@
 @property (nonatomic) IBInspectable double longitude;
 @property (nonatomic) IBInspectable double zoomLevel;
 
+// Renamed properties. Interface Builder derives the display name of each
+// inspectable from the runtime name, but runtime names don’t always make sense
+// in UI.
+
+@property (nonatomic) IBInspectable BOOL allowsZooming;
+@property (nonatomic) IBInspectable BOOL allowsScrolling;
+@property (nonatomic) IBInspectable BOOL allowsRotating;
+@property (nonatomic) IBInspectable BOOL showsUserLocation;
+
 @end

platform/ios/MGLMapView.mm

@@ -1064,6 +1064,21 @@ mbgl::DefaultFileSource *mbglFileSource = nullptr;
 
 #pragma mark - Properties -
 
++ (NSSet *)keyPathsForValuesAffectingZoomEnabled
+{
+    return [NSSet setWithObject:@"allowsZooming"];
+}
+
++ (NSSet *)keyPathsForValuesAffectingScrollEnabled
+{
+    return [NSSet setWithObject:@"allowsScrolling"];
+}
+
++ (NSSet *)keyPathsForValuesAffectingRotateEnabled
+{
+    return [NSSet setWithObject:@"allowsRotating"];
+}
+
 #pragma clang diagnostic push
 #pragma clang diagnostic ignored "-Wunused-parameter"
 
@@ -2463,4 +2478,49 @@ class MBGLView : public mbgl::View
     }
 }
 
++ (NSSet *)keyPathsForValuesAffectingAllowsZooming
+{
+    return [NSSet setWithObject:@"zoomEnabled"];
+}
+
+- (BOOL)allowsZooming
+{
+    return self.zoomEnabled;
+}
+
+- (void)setAllowsZooming:(BOOL)allowsZooming
+{
+    self.zoomEnabled = allowsZooming;
+}
+
++ (NSSet *)keyPathsForValuesAffectingAllowsScrolling
+{
+    return [NSSet setWithObject:@"scrollEnabled"];
+}
+
+- (BOOL)allowsScrolling
+{
+    return self.scrollEnabled;
+}
+
+- (void)setAllowsScrolling:(BOOL)allowsScrolling
+{
+    self.scrollEnabled = allowsScrolling;
+}
+
++ (NSSet *)keyPathsForValuesAffectingAllowsRotating
+{
+    return [NSSet setWithObject:@"rotateEnabled"];
+}
+
+- (BOOL)allowsRotating
+{
+    return self.rotateEnabled;
+}
+
+- (void)setAllowsRotating:(BOOL)allowsRotating
+{
+    self.rotateEnabled = allowsRotating;
+}
+
 @end