1 files changed, 33 insertions, 12 deletions
diff --git a/platform/ios/src/MGLCameraChange.h b/platform/ios/src/MGLCameraChange.h
index bfd956d66d..c2f7728f2c 100644
--- a/platform/ios/src/MGLCameraChange.h
+++ b/platform/ios/src/MGLCameraChange.h
@@ -1,14 +1,35 @@
 #import "MGLFoundation.h"
 
-typedef NSString *MGLCameraChangeReason NS_TYPED_ENUM;
-
-extern MGL_EXPORT const MGLCameraChangeReason MGLCameraChangeReasonUnknown;
-extern MGL_EXPORT const MGLCameraChangeReason MGLCameraChangeReasonProgramatic;
-extern MGL_EXPORT const MGLCameraChangeReason MGLCameraChangeReasonGestureResetNorth;
-extern MGL_EXPORT const MGLCameraChangeReason MGLCameraChangeReasonGesturePan;
-extern MGL_EXPORT const MGLCameraChangeReason MGLCameraChangeReasonGesturePinch;
-extern MGL_EXPORT const MGLCameraChangeReason MGLCameraChangeReasonGestureRotate;
-extern MGL_EXPORT const MGLCameraChangeReason MGLCameraChangeReasonGestureDoubleTap;
-extern MGL_EXPORT const MGLCameraChangeReason MGLCameraChangeReasonGestureTwoFingerSingleTap;
-extern MGL_EXPORT const MGLCameraChangeReason MGLCameraChangeReasonGestureQuickZoom;
-extern MGL_EXPORT const MGLCameraChangeReason MGLCameraChangeReasonGesturePitchStart;
+typedef NS_OPTIONS(NSUInteger, MGLCameraChangeReason)
+{
+    /// No reason for the camera move is specified.
+    MGLCameraChangeReasonNone = 0,
+
+    /// Set when a public API that moves the camera is called. This may be set for some gestures
+    MGLCameraChangeReasonProgrammatic = 1 << 0,
+
+    /// User tapped the compass to reset to North
+    MGLCameraChangeReasonResetNorth = 1 << 1,// Tap on compass
+
+    /// User panned the map.
+    MGLCameraChangeReasonGesturePan = 1 << 2,
+
+    /// User pinched to zoom in/out
+    MGLCameraChangeReasonGesturePinch = 1 << 3,
+
+    // User rotated the map
+    MGLCameraChangeReasonGestureRotate = 1 << 4,
+
+    /// User zoomed the map in
+    MGLCameraChangeReasonGestureZoomIn = 1 << 5,// One finger double tap
+
+    /// User zoomed the map out
+    MGLCameraChangeReasonGestureZoomOut = 1 << 6,// Two finger single tap
+
+    /// User long pressed on the map for a quick zoom
+    MGLCameraChangeReasonGestureQuickZoom = 1 << 7,// Long press
+
+    // User panned with two fingers to tilt the map
+    MGLCameraChangeReasonGesturePitch = 1 << 8// Two finger drag
+};
+