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/*
* This file is part of Privacy Badger <https://www.eff.org/privacybadger>
* Copyright (C) 2020 Electronic Frontier Foundation
*
* Privacy Badger is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 3 as
* published by the Free Software Foundation.
*
* Privacy Badger is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Privacy Badger. If not, see <http://www.gnu.org/licenses/>.
*/
(function () {
// don't inject into non-HTML documents (such as XML documents)
// but do inject into XHTML documents
if (document instanceof HTMLDocument === false && (
document instanceof XMLDocument === false ||
document.createElement('div') instanceof HTMLDivElement === false
)) {
return;
}
function hideFrame(url) {
let sel = "iframe[src='" + CSS.escape(url) + "']";
let el = document.querySelector(sel);
if (el) { // el could have gotten replaced since the lookup
el.style.setProperty("display", "none", "important");
}
}
chrome.runtime.onMessage.addListener(function (request, sender, sendResponse) {
if (request.hideFrame) {
hideFrame(request.url);
sendResponse(true);
}
});
// check the page for any frames that were blocked before we got here
chrome.runtime.sendMessage({
type: "getBlockedFrameUrls"
}, function (frameUrls) {
if (!frameUrls) {
return;
}
for (let url of frameUrls) {
hideFrame(url);
}
});
}());
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