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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14
web/pdf_viewer.js
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@ -341,7 +341,7 @@ class PDFViewer {
// Fetch a single page so we can get a viewport that will be the default
// viewport for all pages
return firstPagePromise.then((pdfPage) => {
firstPagePromise.then((pdfPage) => {
let scale = this.currentScale;
let viewport = pdfPage.getViewport(scale * CSS_UNITS);
for (let pageNum = 1; pageNum <= pagesCount; ++pageNum) {
@ -387,6 +387,12 @@ class PDFViewer {
if (--getPagesLeft === 0) {
pagesCapability.resolve();
}
}, (reason) => {
console.error(`Unable to get page ${pageNum} to initialize viewer`,
reason);
if (--getPagesLeft === 0) {
pagesCapability.resolve();
}
});
}
});
@ -400,6 +406,8 @@ class PDFViewer {
if (this.findController) {
this.findController.resolveFirstPage();
}
}).catch((reason) => {
console.error('Unable to initialize viewer', reason);
});
}
@ -838,6 +846,10 @@ class PDFViewer {
}
this._pagesRequests[pageNumber] = null;
return pdfPage;
}).catch((reason) => {
console.error('Unable to get page for page view', reason);
// Page error -- there is nothing can be done.
this._pagesRequests[pageNumber] = null;
});
this._pagesRequests[pageNumber] = promise;
return promise;