зеркало из https://github.com/mozilla/gecko-dev.git
50 строки
1.8 KiB
JavaScript
50 строки
1.8 KiB
JavaScript
/* vim: set ts=2 sw=2 sts=2 et tw=80: */
|
|
/* 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/. */
|
|
"use strict";
|
|
|
|
var EXPORTED_SYMBOLS = ["BrowserChild"];
|
|
|
|
const {ActorChild} = ChromeUtils.import("resource://gre/modules/ActorChild.jsm");
|
|
|
|
ChromeUtils.defineModuleGetter(this, "BrowserUtils",
|
|
"resource://gre/modules/BrowserUtils.jsm");
|
|
|
|
class BrowserChild extends ActorChild {
|
|
handleEvent(event) {
|
|
if (event.type == "DOMWindowClose") {
|
|
this.mm.sendAsyncMessage("DOMWindowClose");
|
|
}
|
|
}
|
|
|
|
receiveMessage(message) {
|
|
switch (message.name) {
|
|
case "Browser:CreateAboutBlank":
|
|
if (!this.content.document || this.content.document.documentURI != "about:blank") {
|
|
throw new Error("Can't create a content viewer unless on about:blank");
|
|
}
|
|
let principal = message.data;
|
|
principal = BrowserUtils.principalWithMatchingOA(principal, this.content.document.nodePrincipal);
|
|
this.mm.docShell.createAboutBlankContentViewer(principal);
|
|
break;
|
|
|
|
case "InPermitUnload":
|
|
let inPermitUnload = this.mm.docShell.contentViewer && this.mm.docShell.contentViewer.inPermitUnload;
|
|
this.mm.sendAsyncMessage("InPermitUnload", {id: message.data.id, inPermitUnload});
|
|
break;
|
|
|
|
case "PermitUnload":
|
|
this.mm.sendAsyncMessage("PermitUnload", {id: message.data.id, kind: "start"});
|
|
|
|
let permitUnload = true;
|
|
if (this.mm.docShell && this.mm.docShell.contentViewer) {
|
|
permitUnload = this.mm.docShell.contentViewer.permitUnload(message.data.aPermitUnloadFlags);
|
|
}
|
|
|
|
this.mm.sendAsyncMessage("PermitUnload", {id: message.data.id, kind: "end", permitUnload});
|
|
break;
|
|
}
|
|
}
|
|
}
|