From f11bdd13fcdf0952bed3d912afe48266636ce295 Mon Sep 17 00:00:00 2001
From: Robin Ward <robin.ward@gmail.com>
Date: Wed, 2 Sep 2015 15:12:35 -0400
Subject: [PATCH] FIX: Menu panels scrolled weird in iOS

---
 .../javascripts/discourse/components/menu-panel.js.es6    | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/app/assets/javascripts/discourse/components/menu-panel.js.es6 b/app/assets/javascripts/discourse/components/menu-panel.js.es6
index a6a0b725a5e..18a36917c00 100644
--- a/app/assets/javascripts/discourse/components/menu-panel.js.es6
+++ b/app/assets/javascripts/discourse/components/menu-panel.js.es6
@@ -79,7 +79,11 @@ export default Ember.Component.extend({
       });
       this.performLayout();
       this._watchSizeChanges();
-      $(window).on('scroll.discourse-menu-panel', () => this.performLayout());
+
+      // iOS does not handle scroll events well
+      if (!this.capabilities.touch) {
+        $(window).on('scroll.discourse-menu-panel', () => this.performLayout());
+      }
     } else {
       Ember.run.scheduleOnce('afterRender', () => this.sendAction('onHidden'));
       $('html').off('click.close-menu-panel');
@@ -175,7 +179,7 @@ export default Ember.Component.extend({
     $('body').off('keydown.discourse-menu-panel');
     $('html').off('click.close-menu-panel');
     $(window).off('resize.discourse-menu-panel');
-      $(window).off('scroll.discourse-menu-panel');
+    $(window).off('scroll.discourse-menu-panel');
   },
 
   hide() {