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infer pdfjs document title from iframe url

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This commit is contained in:
ansuz 2017-08-17 17:30:28 +02:00
parent a125253cde
commit 3a5526e247
1 changed files with 10 additions and 19 deletions
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29
www/common/pdfjs/web/viewer.js
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@ -341,25 +341,14 @@ function isDataSchema(url) {
return url.substr(i, 5).toLowerCase() === 'data:'; return url.substr(i, 5).toLowerCase() === 'data:';
} }
function getPDFFileNameFromURL(url) { function getPDFFileNameFromURL(url) {
var defaultFilename = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 'document.pdf'; var query;
var title;
if (isDataSchema(url)) { if (/\?/.test(url)) {
console.warn('getPDFFileNameFromURL: ' + 'ignoring "data:" URL for performance reasons.'); url.replace(/\?(.*)$/, function (all, t) {
return defaultFilename; title = t;
});
} }
var reURI = /^(?:(?:[^:]+:)?\/\/[^\/]+)?([^?#]*)(\?[^#]*)?(#.*)?$/; return title || 'document.pdf';
var reFilename = /[^\/?#=]+\.pdf\b(?!.*\.pdf\b)/i;
var splitURI = reURI.exec(url);
var suggestedFilename = reFilename.exec(splitURI[1]) || reFilename.exec(splitURI[2]) || reFilename.exec(splitURI[3]);
if (suggestedFilename) {
suggestedFilename = suggestedFilename[0];
if (suggestedFilename.indexOf('%') !== -1) {
try {
suggestedFilename = reFilename.exec(decodeURIComponent(suggestedFilename))[0];
} catch (e) {}
}
}
return suggestedFilename || defaultFilename;
} }
function normalizeWheelEventDelta(evt) { function normalizeWheelEventDelta(evt) {
var delta = Math.sqrt(evt.deltaX * evt.deltaX + evt.deltaY * evt.deltaY); var delta = Math.sqrt(evt.deltaX * evt.deltaX + evt.deltaY * evt.deltaY);
@ -1192,11 +1181,13 @@ var PDFViewerApplication = {
setTitleUsingUrl: function pdfViewSetTitleUsingUrl(url) { setTitleUsingUrl: function pdfViewSetTitleUsingUrl(url) {
this.url = url; this.url = url;
this.baseUrl = url.split('#')[0]; this.baseUrl = url.split('#')[0];
var title = (0, _ui_utils.getPDFFileNameFromURL)(url, '');
var title = _ui_utils.getPDFFileNameFromURL(url);
if (!title) { if (!title) {
try { try {
title = decodeURIComponent((0, _pdfjsLib.getFilenameFromUrl)(url)) || url; title = decodeURIComponent((0, _pdfjsLib.getFilenameFromUrl)(url)) || url;
} catch (e) { } catch (e) {
console.error(e)
title = url; title = url;
} }
} }