mirrors/pdf.js
1
0
Fork 0
mirror of https://github.com/mozilla/pdf.js.git synced 2025-04-20 15:18:08 +02:00
Code Activity

Only handle scroll events when PDFView.pdfDocument is defined (issue 4642)

Browse source
This commit is contained in:
Jonas Jenwald 2014-04-19 01:30:40 +02:00
parent a0625ec0e5
commit 4e1362642a
1 changed files with 3 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

3
web/viewer.js
View file

@ -242,6 +242,9 @@ var PDFView = {
state.down = true;
state.lastY = viewAreaElement.scrollTop;
viewAreaElement.addEventListener('scroll', function webViewerScroll(evt) {
if (!PDFView.pdfDocument) {
return;
}
var currentY = viewAreaElement.scrollTop;
var lastY = state.lastY;
if (currentY > lastY) {