1 files changed, 42 insertions, 0 deletions
diff --git a/platform/ios/src/MGLCameraChangeReason_Private.h b/platform/ios/src/MGLCameraChangeReason_Private.h
new file mode 100644
index 0000000000..4c058b1d61
--- /dev/null
+++ b/platform/ios/src/MGLCameraChangeReason_Private.h
@@ -0,0 +1,42 @@
+#import "MGLFoundation.h"
+
+/**
+ Internal bitmask values used to represent ongoing gestures and API calls that triggers a camera
+ change.
+
+ At the end of a camera movement, the resulting bitmask is mapped to one of the public
+ MGLCameraChangeReason enum values and passed to the delegate camera change methods.
+ */
+typedef NS_OPTIONS(NSUInteger, MGLCameraChangeReasonBitmask)
+{
+    /// The default value. Set at the start, and reset when a camera move has completed.
+    MGLCameraChangeReasonBitmaskNone = 0,
+
+    /// Set when a public API that moves the camera is called. This may be set for some gestures,
+    /// for example, when the user taps the compass to reset north.
+    MGLCameraChangeReasonBitmaskProgrammatic = 1 << 0,
+
+    /// The user tapped the compass to reset the map orientation so North is up.
+    MGLCameraChangeReasonBitmaskResetNorth = 1 << 1,
+
+    /// The user panned the map.
+    MGLCameraChangeReasonBitmaskGesturePan = 1 << 2,
+
+    /// The user pinched to zoom in/out.
+    MGLCameraChangeReasonBitmaskGesturePinch = 1 << 3,
+
+    /// The user rotated the map.
+    MGLCameraChangeReasonBitmaskGestureRotate = 1 << 4,
+
+    /// The user zoomed the map in. (One finger double tap.)
+    MGLCameraChangeReasonBitmaskGestureZoomIn = 1 << 5,
+
+    /// The user zoomed the map out. (Two finger single tap.)
+    MGLCameraChangeReasonBitmaskGestureZoomOut = 1 << 6,
+
+    /// The user long pressed on the map for a quick zoom. (Single tap, then long press and drag up/down.)
+    MGLCameraChangeReasonBitmaskGestureOneFingerZoom = 1 << 7,
+
+    // The user panned with two fingers to tilt the map. (Two finger drag.)
+    MGLCameraChangeReasonBitmaskGestureTwoFingerDrag = 1 << 8
+};