SingleFile/extension/core/content/content-download.js

/*
 * Copyright 2010-2019 Gildas Lormeau
 * contact : gildas.lormeau <at> gmail.com
 * 
 * This file is part of SingleFile.
 *
 *   The code in this file is free software: you can redistribute it and/or 
 *   modify it under the terms of the GNU Affero General Public License 
 *   (GNU AGPL) as published by the Free Software Foundation, either version 3
 *   of the License, or (at your option) any later version.
 * 
 *   The code in this file 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 Affero 
 *   General Public License for more details.
 *
 *   As additional permission under GNU AGPL version 3 section 7, you may 
 *   distribute UNMODIFIED VERSIONS OF THIS file without the copy of the GNU 
 *   AGPL normally required by section 4, provided you include this license 
 *   notice and a URL through which recipients can access the Corresponding 
 *   Source.
 */

/* global addEventListener, removeEventListener, document, URL, MouseEvent, Blob, top */

addEventListener("message", listener, false);

function listener(event) {
	removeEventListener("message", listener, false);
	const [filename, content] = JSON.parse(event.data);
	const link = document.createElement("a");
	document.body.appendChild(link);
	link.download = filename;
	const url = URL.createObjectURL(new Blob([content], { type: "text/html" }));
	link.href = url;
	link.dispatchEvent(new MouseEvent("click"));
	URL.revokeObjectURL(url);
}