forked from mirrors/gecko-dev
fa0bdf0264
Differential Revision: https://phabricator.services.mozilla.com/D34565 --HG-- extra : moz-landing-system : lando
59 lines
2.5 KiB
JavaScript
59 lines
2.5 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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/* eslint-env mozilla/frame-script */
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ChromeUtils.defineModuleGetter(this, "BrowserUtils",
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"resource://gre/modules/BrowserUtils.jsm");
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const {WebProgressChild} = ChromeUtils.import("resource://gre/modules/WebProgressChild.jsm");
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this.WebProgress = new WebProgressChild(this);
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docShell.QueryInterface(Ci.nsIInterfaceRequestor)
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.getInterface(Ci.nsIBrowserChild)
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.beginSendingWebProgressEventsToParent();
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// This message is used to measure content process startup performance in Talos
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// tests.
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sendAsyncMessage("Content:BrowserChildReady", { time: Services.telemetry.msSystemNow() });
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addEventListener("DOMTitleChanged", function(aEvent) {
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if (!aEvent.isTrusted || aEvent.target.defaultView != content)
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return;
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sendAsyncMessage("DOMTitleChanged", { title: content.document.title });
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}, false);
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addEventListener("ImageContentLoaded", function(aEvent) {
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if (content.document instanceof Ci.nsIImageDocument) {
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let req = content.document.imageRequest;
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if (!req.image)
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return;
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sendAsyncMessage("ImageDocumentLoaded", { width: req.image.width,
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height: req.image.height });
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}
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}, false);
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// This is here for now until we find a better way of forcing an about:blank load
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// with a particular principal that doesn't involve the message manager. We can't
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// do this with JS Window Actors for now because JS Window Actors are tied to the
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// document principals themselves, so forcing the load with a new principal is
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// self-destructive in that case.
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addMessageListener("BrowserElement:CreateAboutBlank", message => {
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if (!content.document || 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, storagePrincipal} = message.data;
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principal = BrowserUtils.principalWithMatchingOA(principal,
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content.document.nodePrincipal);
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storagePrincipal = BrowserUtils.principalWithMatchingOA(storagePrincipal,
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content.document.effectiveStoragePrincipal);
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docShell.createAboutBlankContentViewer(principal, storagePrincipal);
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});
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// We may not get any responses to Browser:Init if the browser element
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// is torn down too quickly.
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var outerWindowID = docShell.outerWindowID;
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var browsingContextId = docShell.browsingContext.id;
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sendAsyncMessage("Browser:Init", {outerWindowID, browsingContextId});
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