ZenBrowserMirrors/pdf.js
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More robust getPage() error handling.

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This commit is contained in:
Yury Delendik 2017-08-03 17:24:19 -05:00
parent 0c95bc7d83
commit d0e93721ae
4 changed files with 33 additions and 3 deletions
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10
web/pdf_thumbnail_viewer.js
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@ -133,10 +133,10 @@ class PDFThumbnailViewer {
this.pdfDocument = pdfDocument;
if (!pdfDocument) {
return Promise.resolve();
return;
}
return pdfDocument.getPage(1).then((firstPage) => {
pdfDocument.getPage(1).then((firstPage) => {
let pagesCount = pdfDocument.numPages;
let viewport = firstPage.getViewport(1.0);
for (let pageNum = 1; pageNum <= pagesCount; ++pageNum) {
@ -151,6 +151,8 @@ class PDFThumbnailViewer {
});
this._thumbnails.push(thumbnail);
}
}).catch((reason) => {
console.error('Unable to initialize thumbnail viewer', reason);
});
}
@ -205,6 +207,10 @@ class PDFThumbnailViewer {
thumbView.setPdfPage(pdfPage);
this._pagesRequests[pageNumber] = null;
return pdfPage;
}).catch((reason) => {
console.error('Unable to get page for thumb view', reason);
// Page error -- there is nothing can be done.
this._pagesRequests[pageNumber] = null;
});
this._pagesRequests[pageNumber] = promise;
return promise;