зеркало из https://github.com/mozilla/gecko-dev.git
52 строки
1.5 KiB
JavaScript
52 строки
1.5 KiB
JavaScript
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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"use strict";
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var EXPORTED_SYMBOLS = ["AboutHttpsOnlyErrorParent"];
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const { HomePage } = ChromeUtils.import("resource:///modules/HomePage.jsm");
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const { PrivateBrowsingUtils } = ChromeUtils.import(
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"resource://gre/modules/PrivateBrowsingUtils.jsm"
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);
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const { Services } = ChromeUtils.import("resource://gre/modules/Services.jsm");
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class AboutHttpsOnlyErrorParent extends JSWindowActorParent {
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get browser() {
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return this.browsingContext.top.embedderElement;
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}
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receiveMessage(aMessage) {
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switch (aMessage.name) {
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case "goBack":
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this.goBackFromErrorPage(this.browser);
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break;
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}
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}
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goBackFromErrorPage(aBrowser) {
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if (!aBrowser.canGoBack) {
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// If the unsafe page is the first or the only one in history, go to the
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// start page.
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aBrowser.loadURI(this.getDefaultHomePage(aBrowser.ownerGlobal), {
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triggeringPrincipal: Services.scriptSecurityManager.getSystemPrincipal(),
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});
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} else {
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aBrowser.goBack();
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}
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}
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getDefaultHomePage(win) {
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if (PrivateBrowsingUtils.isWindowPrivate(win)) {
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return win.BROWSER_NEW_TAB_URL || "about:blank";
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}
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let url = HomePage.getDefault();
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// If url is a pipe-delimited set of pages, just take the first one.
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if (url.includes("|")) {
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url = url.split("|")[0];
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}
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return url;
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}
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}
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