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Merge pull request #18681 from Rob--W/crx-mv3-migration

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[CRX] Migrate Chrome extension to Manifest Version 3
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Tim van der Meij 2024-09-08 18:10:43 +02:00 • committed by GitHub
commit a1b45d6e69
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14 changed files with 530 additions and 425 deletions
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27
web/chromecom.js
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@ -31,7 +31,11 @@ if (typeof PDFJSDev === "undefined" || !PDFJSDev.test("CHROME")) {
// is rewritten as soon as possible.
const queryString = document.location.search.slice(1);
const m = /(^|&)file=([^&]*)/.exec(queryString);
const defaultUrl = m ? decodeURIComponent(m[2]) : "";
let defaultUrl = m ? decodeURIComponent(m[2]) : "";
if (!defaultUrl && queryString.startsWith("DNR:")) {
// Redirected via DNR, see registerPdfRedirectRule in pdfHandler.js.
defaultUrl = queryString.slice(4);
}
// Example: chrome-extension://.../http://example.com/file.pdf
const humanReadableUrl = "/" + defaultUrl + location.hash;
@ -249,24 +253,7 @@ function requestAccessToLocalFile(fileUrl, overlayManager, callback) {
});
}
if (window === top) {
// Chrome closes all extension tabs (crbug.com/511670) when the extension
// reloads. To counter this, the tab URL and history state is saved to
// localStorage and restored by extension-router.js.
// Unfortunately, the window and tab index are not restored. And if it was
// the only tab in an incognito window, then the tab is not restored either.
addEventListener("unload", function () {
// If the runtime is still available, the unload is most likely a normal
// tab closure. Otherwise it is most likely an extension reload.
if (!isRuntimeAvailable()) {
localStorage.setItem(
"unload-" + Date.now() + "-" + document.hidden + "-" + location.href,
JSON.stringify(history.state)
);
}
});
}
let dnrRequestId;
// This port is used for several purposes:
// 1. When disconnected, the background page knows that the frame has unload.
// 2. When the referrer was saved in history.state.chromecomState, it is sent
@ -281,6 +268,7 @@ let port;
// 3. Background -> page: Send latest referer and save to history.
// 4. Page: Invoke callback.
function setReferer(url, callback) {
dnrRequestId ??= crypto.getRandomValues(new Uint32Array(1))[0] % 0x80000000;
if (!port) {
// The background page will accept the port, and keep adding the Referer
// request header to requests to |url| until the port is disconnected.
@ -290,6 +278,7 @@ function setReferer(url, callback) {
port.onMessage.addListener(onMessage);
// Initiate the information exchange.
port.postMessage({
dnrRequestId,
referer: window.history.state?.chromecomState,
requestUrl: url,
});