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Move the permissions handling into the BaseViewer (PR 11789 follow-up)

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Besides making the permissions-functionality directly available in the viewer-components, these changes are also necessary for the next patch.
This commit is contained in:
Jonas Jenwald 2021-12-11 16:23:29 +01:00
parent d856ed9395
commit b03281de18
4 changed files with 35 additions and 46 deletions
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35
web/app.js
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@ -51,7 +51,6 @@ import {
MissingPDFException,
OPS,
PDFWorker,
PermissionFlag,
shadow,
UnexpectedResponseException,
UNSUPPORTED_FEATURES,
@ -82,7 +81,6 @@ import { ViewHistory } from "./view_history.js";
const DISABLE_AUTO_FETCH_LOADING_BAR_TIMEOUT = 5000; // ms
const FORCE_PAGES_LOADED_TIMEOUT = 10000; // ms
const WHEEL_ZOOM_DISABLED_TIMEOUT = 1000; // ms
const ENABLE_PERMISSIONS_CLASS = "enablePermissions";
const ViewOnLoad = {
UNKNOWN: -1,
@ -530,6 +528,7 @@ const PDFViewerApplication = {
enablePrintAutoRotate: AppOptions.get("enablePrintAutoRotate"),
useOnlyCssZoom: AppOptions.get("useOnlyCssZoom"),
maxCanvasPixels: AppOptions.get("maxCanvasPixels"),
enablePermissions: AppOptions.get("enablePermissions"),
});
pdfRenderingQueue.setViewer(this.pdfViewer);
pdfLinkService.setViewer(this.pdfViewer);
@ -841,7 +840,6 @@ const PDFViewerApplication = {
this.pdfLinkService.setDocument(null);
this.pdfDocumentProperties.setDocument(null);
}
webViewerResetPermissions();
this.pdfLinkService.externalLinkEnabled = true;
this._fellback = false;
this.store = null;
@ -1326,10 +1324,6 @@ const PDFViewerApplication = {
pdfViewer.focus();
}
// Currently only the "copy"-permission is supported, hence we delay
// the `getPermissions` API call until *after* rendering has started.
this._initializePermissions(pdfDocument);
// For documents with different page sizes, once all pages are
// resolved, ensure that the correct location becomes visible on load.
// (To reduce the risk, in very large and/or slow loading documents,
@ -1709,24 +1703,6 @@ const PDFViewerApplication = {
}
},
/**
* @private
*/
async _initializePermissions(pdfDocument) {
const permissions = await pdfDocument.getPermissions();
if (pdfDocument !== this.pdfDocument) {
return; // The document was closed while the permissions resolved.
}
if (!permissions || !AppOptions.get("enablePermissions")) {
return;
}
// Currently only the "copy"-permission is supported.
if (!permissions.includes(PermissionFlag.COPY)) {
this.appConfig.viewerContainer.classList.add(ENABLE_PERMISSIONS_CLASS);
}
},
/**
* @private
*/
@ -2335,15 +2311,6 @@ function webViewerOpenFileViaURL(file) {
}
}
function webViewerResetPermissions() {
const { appConfig } = PDFViewerApplication;
if (!appConfig) {
return;
}
// Currently only the "copy"-permission is supported.
appConfig.viewerContainer.classList.remove(ENABLE_PERMISSIONS_CLASS);
}
function webViewerPageRendered({ pageNumber, error }) {
// If the page is still visible when it has finished rendering,
// ensure that the page number input loading indicator is hidden.