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Merge pull request #11845 from Snuffleupagus/less-createObjectURL

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Use the native `URL.createObjectURL` method more in the `web/` folder
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Tim van der Meij 2020-04-24 23:12:37 +02:00 committed by GitHub
commit 7363308b97
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2 changed files with 34 additions and 15 deletions
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25
web/firefoxcom.js
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@ -14,8 +14,8 @@
*/ */
import "../extensions/firefox/tools/l10n.js"; import "../extensions/firefox/tools/l10n.js";
import { createObjectURL, PDFDataRangeTransport, shadow } from "pdfjs-lib";
import { DefaultExternalServices, PDFViewerApplication } from "./app.js"; import { DefaultExternalServices, PDFViewerApplication } from "./app.js";
import { PDFDataRangeTransport, shadow } from "pdfjs-lib";
import { BasePreferences } from "./preferences.js"; import { BasePreferences } from "./preferences.js";
import { DEFAULT_SCALE_VALUE } from "./ui_utils.js"; import { DEFAULT_SCALE_VALUE } from "./ui_utils.js";
@ -100,14 +100,23 @@ class DownloadManager {
} }
downloadData(data, filename, contentType) { downloadData(data, filename, contentType) {
const blobUrl = createObjectURL(data, contentType); const blobUrl = URL.createObjectURL(
new Blob([data], { type: contentType })
);
const onResponse = err => {
URL.revokeObjectURL(blobUrl);
};
FirefoxCom.request("download", { FirefoxCom.request(
blobUrl, "download",
originalUrl: blobUrl, {
filename, blobUrl,
isAttachment: true, originalUrl: blobUrl,
}); filename,
isAttachment: true,
},
onResponse
);
} }
download(blob, url, filename) { download(blob, url, filename) {

24
web/pdf_attachment_viewer.js
View File

@ -14,7 +14,6 @@
*/ */
import { import {
createObjectURL,
createPromiseCapability, createPromiseCapability,
getFilenameFromUrl, getFilenameFromUrl,
removeNullCharacters, removeNullCharacters,
@ -84,14 +83,19 @@ class PDFAttachmentViewer {
); );
} }
let blobUrl; let blobUrl;
button.onclick = function () { button.onclick = () => {
if (!blobUrl) { if (!blobUrl) {
blobUrl = createObjectURL(content, "application/pdf"); blobUrl = URL.createObjectURL(
new Blob([content], { type: "application/pdf" })
);
} }
let viewerUrl; let viewerUrl;
if (typeof PDFJSDev === "undefined" || PDFJSDev.test("GENERIC")) { if (typeof PDFJSDev === "undefined" || PDFJSDev.test("GENERIC")) {
// The current URL is the viewer, let's use it and append the file. // The current URL is the viewer, let's use it and append the file.
viewerUrl = "?file=" + encodeURIComponent(blobUrl + "#" + filename); viewerUrl = "?file=" + encodeURIComponent(blobUrl + "#" + filename);
} else if (PDFJSDev.test("MOZCENTRAL")) {
// Let Firefox's content handler catch the URL and display the PDF.
viewerUrl = blobUrl + "?" + encodeURIComponent(filename);
} else if (PDFJSDev.test("CHROME")) { } else if (PDFJSDev.test("CHROME")) {
// In the Chrome extension, the URL is rewritten using the history API // In the Chrome extension, the URL is rewritten using the history API
// in viewer.js, so an absolute URL must be generated. // in viewer.js, so an absolute URL must be generated.
@ -100,11 +104,17 @@ class PDFAttachmentViewer {
chrome.runtime.getURL("/content/web/viewer.html") + chrome.runtime.getURL("/content/web/viewer.html") +
"?file=" + "?file=" +
encodeURIComponent(blobUrl + "#" + filename); encodeURIComponent(blobUrl + "#" + filename);
} else if (PDFJSDev.test("MOZCENTRAL")) {
// Let Firefox's content handler catch the URL and display the PDF.
viewerUrl = blobUrl + "?" + encodeURIComponent(filename);
} }
window.open(viewerUrl); try {
window.open(viewerUrl);
} catch (ex) {
console.error(`_bindPdfLink: ${ex}`);
// Release the `blobUrl`, since opening it failed...
URL.revokeObjectURL(blobUrl);
blobUrl = null;
// ... and fallback to downloading the PDF file.
this.downloadManager.downloadData(content, filename, "application/pdf");
}
return false; return false;
}; };
} }