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[api-minor] Include the /Lang-property in the documentInfo, and use it in the viewer (issue 14110)

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*Please note:* This is a tentative patch, since I don't have the necessary a11y-software to actually test it.

To avoid having to add a new API-method just for a single string, I figured that adding the new property to the existing `documentInfo`-data (accessed via `PDFDocumentProxy.getMetadata` in the API) will hopefully be deemed acceptable.
This commit is contained in:
Jonas Jenwald 2021-10-11 15:55:16 +02:00
parent 52fce0d17b
commit 00720d059a
4 changed files with 17 additions and 0 deletions
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4
web/app.js
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@ -812,6 +812,7 @@ const PDFViewerApplication = {
const { container } = this.appConfig.errorWrapper;
container.hidden = true;
}
this.appConfig.viewerContainer.removeAttribute("lang");
if (!this.pdfLoadingTask) {
return;
@ -1536,6 +1537,9 @@ const PDFViewerApplication = {
`(PDF.js: ${version || "-"})`
);
if (info.Language) {
this.appConfig.viewerContainer.lang = info.Language;
}
let pdfTitle = info?.Title;
const metadataTitle = metadata?.get("dc:title");