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Ensure that any pending rendering operations in PDFViewer/PDFThumbnailViewer are cancelled when the viewer is closed

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This commit is contained in:
Jonas Jenwald 2016-07-29 20:39:22 +02:00
parent fb5aa58008
commit a824c6c4f6
5 changed files with 66 additions and 27 deletions
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20
web/app.js
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@ -1583,6 +1583,19 @@ function webViewerPageRendered(e) {
var pageIndex = pageNumber - 1;
var pageView = PDFViewerApplication.pdfViewer.getPageView(pageIndex);
// If the page is still visible when it has finished rendering,
// ensure that the page number input loading indicator is hidden.
if (pageNumber === PDFViewerApplication.page) {
var pageNumberInput = PDFViewerApplication.appConfig.toolbar.pageNumber;
pageNumberInput.classList.remove(PAGE_NUMBER_LOADING_INDICATOR);
}
// Prevent errors in the edge-case where the PDF document is removed *before*
// the 'pagerendered' event handler is invoked.
if (!pageView) {
return;
}
// Use the rendered page to set the corresponding thumbnail image.
if (PDFViewerApplication.pdfSidebar.isThumbnailViewVisible) {
var thumbnailView = PDFViewerApplication.pdfThumbnailViewer.
@ -1599,13 +1612,6 @@ function webViewerPageRendered(e) {
'An error occurred while rendering the page.'), pageView.error);
}
// If the page is still visible when it has finished rendering,
// ensure that the page number input loading indicator is hidden.
if (pageNumber === PDFViewerApplication.page) {
var pageNumberInput = PDFViewerApplication.appConfig.toolbar.pageNumber;
pageNumberInput.classList.remove(PAGE_NUMBER_LOADING_INDICATOR);
}
//#if !PRODUCTION
if (true) {
return;