diff --git a/PulleyLib/PulleyViewController.swift b/PulleyLib/PulleyViewController.swift
index 3341b98..b8f141e 100644
--- a/PulleyLib/PulleyViewController.swift
+++ b/PulleyLib/PulleyViewController.swift
@@ -21,11 +21,11 @@ import UIKit
 /**
  *  View controllers in the drawer can implement this to receive changes in state or provide values for the different drawer positions.
  */
-public protocol PulleyDrawerViewControllerDelegate: PulleyDelegate {
+@objc public protocol PulleyDrawerViewControllerDelegate: PulleyDelegate {
     
-    func collapsedDrawerHeight() -> CGFloat
-    func partialRevealDrawerHeight() -> CGFloat
-    func supportedDrawerPositions() -> [PulleyPosition]
+    @objc func collapsedDrawerHeight() -> CGFloat
+    @objc func partialRevealDrawerHeight() -> CGFloat
+    @objc func supportedDrawerPositions() -> [Int]
 }
 
 /**
@@ -49,7 +49,7 @@ public typealias PulleyAnimationCompletionBlock = ((_ finished: Bool) -> Void)
  - open:              When the drawer is fully open.
  - closed:            When the drawer is off-screen at the bottom of the view. Note: Users cannot close or reopen the drawer on their own. You must set this programatically
  */
-public enum PulleyPosition: Int {
+@objc public enum PulleyPosition: Int {
     
     case collapsed = 0
     case partiallyRevealed = 1
@@ -705,7 +705,7 @@ open class PulleyViewController: UIViewController {
     {
         if let drawerVCCompliant = drawerContentViewController as? PulleyDrawerViewControllerDelegate
         {
-            supportedDrawerPositions = drawerVCCompliant.supportedDrawerPositions()
+            supportedDrawerPositions = drawerVCCompliant.supportedDrawerPositions().map{ PulleyPosition(rawValue:$0)! }
         }
         else
         {