From f32cd8586d2564f531ae87630c8d6a120a2b82a0 Mon Sep 17 00:00:00 2001
From: oyron <oyron@statoil.com>
Date: Fri, 5 Oct 2018 15:18:08 +0200
Subject: [PATCH] Handle previously opened notes window, by giving focus.

---
 plugin/notes/notes.js | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/plugin/notes/notes.js b/plugin/notes/notes.js
index a5b15b4b..c9993c42 100644
--- a/plugin/notes/notes.js
+++ b/plugin/notes/notes.js
@@ -11,15 +11,22 @@
  */
 var RevealNotes = (function() {
 
+    var notesPopup = null;
+
 	function openNotes( notesFilePath ) {
 
+        if (notesPopup && !notesPopup.closed) {
+            notesPopup.focus();
+            return;
+        }
+
 		if( !notesFilePath ) {
 			var jsFileLocation = document.querySelector('script[src$="notes.js"]').src;  // this js file path
 			jsFileLocation = jsFileLocation.replace(/notes\.js(\?.*)?$/, '');   // the js folder path
 			notesFilePath = jsFileLocation + 'notes.html';
 		}
 
-		var notesPopup = window.open( notesFilePath, 'reveal.js - Notes', 'width=1100,height=700' );
+		notesPopup = window.open( notesFilePath, 'reveal.js - Notes', 'width=1100,height=700' );
 
 		if( !notesPopup ) {
 			alert( 'Speaker view popup failed to open. Please make sure popups are allowed and reopen the speaker view.' );