fix: issue 3085, onFullscreen call backs are never fired

ios/Video/RCTVideo.swift

@@ -59,6 +59,7 @@ class RCTVideo: UIView, RCTVideoPlayerViewControllerDelegate, RCTPlayerObserverH
     private var _fullscreenAutorotate:Bool = true
     private var _fullscreenOrientation:String! = "all"
     private var _fullscreenPlayerPresented:Bool = false
+    private var _fullscreenUncontrolPlayerPresented:Bool = false // to call events switching full screen mode from player controls
     private var _filterName:String!
     private var _filterEnabled:Bool = false
     private var _presentingViewController:UIViewController?
@@ -1113,12 +1114,27 @@ class RCTVideo: UIView, RCTVideoPlayerViewControllerDelegate, RCTPlayerObserverH
         let oldRect = change.oldValue
         let newRect = change.newValue
         if !oldRect!.equalTo(newRect!) {
+            // https://github.com/react-native-video/react-native-video/issues/3085#issuecomment-1557293391
             if newRect!.equalTo(UIScreen.main.bounds) {
                 RCTLog("in fullscreen")
+                if (!_fullscreenUncontrolPlayerPresented) {
+                    _fullscreenUncontrolPlayerPresented = true;
+
+                    self.onVideoFullscreenPlayerWillPresent?(["target": self.reactTag as Any])
+                    self.onVideoFullscreenPlayerDidPresent?(["target": self.reactTag as Any])
+                }
+            } else {
+                NSLog("not fullscreen")
+                if (_fullscreenUncontrolPlayerPresented) {
+                    _fullscreenUncontrolPlayerPresented = false;
+
+                    self.onVideoFullscreenPlayerWillDismiss?(["target": self.reactTag as Any])
+                    self.onVideoFullscreenPlayerDidDismiss?(["target": self.reactTag as Any])
+                }
+            }
 
             self.reactViewController().view.frame = UIScreen.main.bounds
             self.reactViewController().view.setNeedsLayout()
-            } else {NSLog("not fullscreen")}
         }
     }