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Don't attempt to modify the DOM and/or trigger rendering when changing Scroll/Spread modes without a PDF document being loaded

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Jonas Jenwald 2018-06-23 10:30:22 +02:00
parent 05f682cd4b
commit d3cb5e7117
1 changed files with 6 additions and 0 deletions
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6
web/pdf_viewer.js
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@ -103,6 +103,9 @@ class PDFViewer extends BaseViewer {
this.eventBus.dispatch('scrollmodechanged', { mode, });
this._updateScrollModeClasses();
if (!this.pdfDocument) {
return;
}
const pageNumber = this._currentPageNumber;
// Non-numeric scale modes can be sensitive to the scroll orientation.
// Call this before re-scrolling to the current page, to ensure that any
@ -140,6 +143,9 @@ class PDFViewer extends BaseViewer {
}
_regroupSpreads() {
if (!this.pdfDocument) {
return;
}
const viewer = this.viewer, pages = this._pages;
// Temporarily remove all the pages from the DOM.
viewer.textContent = '';