From 485ccfa11690ced4593dca1fbd853722ff4e6647 Mon Sep 17 00:00:00 2001
From: Dmitry Lyzo <ashephard0@gmail.com>
Date: Tue, 10 Mar 2020 18:50:31 +0300
Subject: [PATCH] Prevent nested slideshow

---
 src/components/slideshow/slideshow.js | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/components/slideshow/slideshow.js b/src/components/slideshow/slideshow.js
index 40d87e9519..67cae4b6b0 100644
--- a/src/components/slideshow/slideshow.js
+++ b/src/components/slideshow/slideshow.js
@@ -188,6 +188,11 @@ define(['dialogHelper', 'inputManager', 'connectionManager', 'layoutManager', 'f
                 stopInterval();
             });
 
+            // Blur foreign element to prevent starting of "nested" slideshow
+            if (document.activeElement && !dlg.contains(document.activeElement)) {
+                document.activeElement.blur();
+            }
+
             inputManager.on(window, onInputCommand);
             document.addEventListener((window.PointerEvent ? 'pointermove' : 'mousemove'), onPointerMove);