From 69c38a75cc0dd212026f21c1ecf356c4bb835c5a Mon Sep 17 00:00:00 2001
From: pacien
Date: Thu, 19 Jul 2018 19:45:25 +0200
Subject: Check popup opening

---
 pointless/viewer/stage.js | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/pointless/viewer/stage.js b/pointless/viewer/stage.js
index f8d6e09..117b0af 100644
--- a/pointless/viewer/stage.js
+++ b/pointless/viewer/stage.js
@@ -11,17 +11,17 @@ class Stage {
   constructor(onReady, onNext, onPrevious) {
     this.onNext = onNext;
     this.onPrevious = onPrevious;
-    this.projector = window.open(window.location.href);
     this.audienceScreen = null;
     this.presenterScreen = null;
 
-    this._setMessage(window, "Please allow pop-ups on this page");
+    this.projector = window.open(window.location.href);
+    if (this.projector == null)
+      alert("Please allow pop-ups, then refresh this page.");
 
     var self = this;
     this.projector.addEventListener("load", function() {
       self.audienceScreen = new Screen(self.projector, false, false);
       self.presenterScreen = new Screen(window, true, true);
-      self._setMessage(window, null);
       self._watchDetach();
       onReady();
     });
-- 
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