From e29ce4acec172803464f121f77c79c64890ac902 Mon Sep 17 00:00:00 2001
From: Francis Lachapelle <flachapelle@inverse.ca>
Date: Wed, 31 Jan 2018 10:02:47 -0500
Subject: [PATCH] (js) Improve popup detection in mail editor

Fixes #4378
---
 UI/WebServerResources/js/Mailer/MessageController.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/UI/WebServerResources/js/Mailer/MessageController.js b/UI/WebServerResources/js/Mailer/MessageController.js
index b92b65b2cc..deef1f44a9 100644
--- a/UI/WebServerResources/js/Mailer/MessageController.js
+++ b/UI/WebServerResources/js/Mailer/MessageController.js
@@ -351,7 +351,7 @@
     };
 
     this.closePopup = function() {
-      if ($window.opener)
+      if ($window.document.body.classList.contains('popup'))
         $window.close();
     };