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: */
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/* 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 = ["BrowserChild"];
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ChromeUtils.import("resource://gre/modules/ActorChild.jsm");
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ChromeUtils.defineModuleGetter(this, "BrowserUtils",
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"resource://gre/modules/BrowserUtils.jsm");
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class BrowserChild extends ActorChild {
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handleEvent(event) {
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if (event.type == "DOMWindowClose") {
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this.mm.sendAsyncMessage("DOMWindowClose");
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}
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}
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receiveMessage(message) {
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switch (message.name) {
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case "Browser:CreateAboutBlank":
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if (!this.content.document || this.content.document.documentURI != "about:blank") {
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throw new Error("Can't create a content viewer unless on about:blank");
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}
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let principal = message.data;
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principal = BrowserUtils.principalWithMatchingOA(principal, this.content.document.nodePrincipal);
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this.mm.docShell.createAboutBlankContentViewer(principal);
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break;
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case "InPermitUnload":
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let inPermitUnload = this.mm.docShell.contentViewer && this.mm.docShell.contentViewer.inPermitUnload;
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this.mm.sendAsyncMessage("InPermitUnload", {id: message.data.id, inPermitUnload});
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break;
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case "PermitUnload":
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this.mm.sendAsyncMessage("PermitUnload", {id: message.data.id, kind: "start"});
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let permitUnload = true;
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if (this.mm.docShell && this.mm.docShell.contentViewer) {
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permitUnload = this.mm.docShell.contentViewer.permitUnload(message.data.aPermitUnloadFlags);
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}
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this.mm.sendAsyncMessage("PermitUnload", {id: message.data.id, kind: "end", permitUnload});
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break;
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}
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}
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}
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