From c99825362f4a221af728f1dcee139c7403a7916f Mon Sep 17 00:00:00 2001
From: bobzel <zzzman@gmail.com>
Date: Mon, 6 Jun 2022 13:13:49 -0400
Subject: added auto links from recordings to pdfs when they scroll.   opened
 audio links on right by default instead of in lightbox.  focus on
 pdf/coponent anchor when following link from it (via the LinkMenu)

---
 src/client/views/pdf/PDFViewer.tsx | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'src/client/views/pdf/PDFViewer.tsx')

diff --git a/src/client/views/pdf/PDFViewer.tsx b/src/client/views/pdf/PDFViewer.tsx
index f706be6c6..0ded1bb3c 100644
--- a/src/client/views/pdf/PDFViewer.tsx
+++ b/src/client/views/pdf/PDFViewer.tsx
@@ -274,6 +274,8 @@ export class PDFViewer extends React.Component<IViewerProps> {
         }
     }
 
+    @observable private _scrollTimer: any;
+
     onScroll = (e: React.UIEvent<HTMLElement>) => {
         if (this._mainCont.current && !this._forcedScroll) {
             this._ignoreScroll = true; // the pdf scrolled, so we need to tell the Doc to scroll but we don't want the doc to then try to set the PDF scroll pos (which would interfere with the smooth scroll animation)
@@ -281,6 +283,11 @@ export class PDFViewer extends React.Component<IViewerProps> {
                 this.props.layoutDoc._scrollTop = this._mainCont.current.scrollTop;
             }
             this._ignoreScroll = false;
+            if (this._scrollTimer) clearTimeout(this._scrollTimer); // wait until a scrolling pause, then create an anchor to audio
+            this._scrollTimer = setTimeout(() => {
+                DocUtils.MakeLinkToActiveAudio(() => this.props.DocumentView?.().ComponentView?.getAnchor!()!, false);
+                this._scrollTimer = undefined;
+            }, 200);
         }
     }
 
-- 
cgit v1.2.3-70-g09d2

