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