ZenBrowserMirrors/pdf.js
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Don't create PDFViewerApplication.pdfHistory when the browsing history is disabled

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Similar to other viewer components, e.g. the `PDFFindBar` and `PDFPresentationMode`, there's no need to create a `PDFHistory`-instance when it's not going to be used.
This commit is contained in:
Jonas Jenwald 2021-09-09 14:21:15 +02:00
parent 8a79f13e5a
commit aa289b17b6
2 changed files with 13 additions and 15 deletions
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8
web/pdf_link_service.js
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@ -380,15 +380,11 @@ class PDFLinkService {
// See PDF reference, table 8.45 - Named action
switch (action) {
case "GoBack":
if (this.pdfHistory) {
this.pdfHistory.back();
}
this.pdfHistory?.back();
break;
case "GoForward":
if (this.pdfHistory) {
this.pdfHistory.forward();
}
this.pdfHistory?.forward();
break;
case "NextPage":