From: Thomas Mueller <thomas.mueller@tmit.eu>
Date: Thu, 14 Jun 2012 18:55:36 +0000 (+0200)
Subject: fix javascript error
X-Git-Tag: v4.5.0beta1~74^2~420^2~24
X-Git-Url: https://source.dussan.org/?a=commitdiff_plain;h=4cc9bf09be7ddb5e576ccfd798e9bcc80bc8a953;p=nextcloud-server.git

fix javascript error
---

diff --git a/apps/files_pdfviewer/js/pdfjs/viewer.js b/apps/files_pdfviewer/js/pdfjs/viewer.js
index ff4f2452b60..8a568e6a749 100644
--- a/apps/files_pdfviewer/js/pdfjs/viewer.js
+++ b/apps/files_pdfviewer/js/pdfjs/viewer.js
@@ -1675,6 +1675,10 @@ function preDraw() {
 function updateViewarea() {
   if (!PDFView.initialized)
     return;
+  var container = document.getElementById('viewer');
+  if (!container)
+    return;
+
   var visiblePages = PDFView.getVisiblePages();
   var pageToDraw;
   for (var i = 0; i < visiblePages.length; i++) {