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Ensure that attempting to print with disableAutoFetch set will fail gracefully (issue 11339)

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This patch simply restores the behaviour that existed prior to PR 7697, since I cannot imagine that that was changed other than by pure accident.
As mentioned by a comment in `BaseViewer.setDocument`: "Printing is semi-broken with auto fetch disabled.", and note that since triggering of printing is a synchronous operation there's generally no easy way to load the missing data.

https://github.com/mozilla/pdf.js/pull/7697/files#diff-529d1853ee1bba753a0fcb40ea778723L1114-L1118
This commit is contained in:
Jonas Jenwald 2019-11-19 11:58:19 +01:00
parent be02e67972
commit 0b0bf71ad0
1 changed files with 8 additions and 1 deletions
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9
web/base_viewer.js
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@ -181,7 +181,14 @@ class BaseViewer {
* @type {boolean} - True if all {PDFPageView} objects are initialized.
*/
get pageViewsReady() {
return this._pageViewsReady;
if (!this._pageViewsReady) {
return false;
}
// Prevent printing errors when 'disableAutoFetch' is set, by ensuring
// that *all* pages have in fact been completely loaded.
return this._pages.every(function(pageView) {
return !!(pageView && pageView.pdfPage);
});
}
/**