fix javascript error

2012-06-14 20:55:36 +07:00 · 2012-06-14 20:55:36 +07:00 · 4cc9bf09be
parent 12bfc551fb
commit 4cc9bf09be
1 changed files with 4 additions and 0 deletions
--- 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++) {