gecko-dev/browser/modules/E10SUtils.jsm

61 lines
1.9 KiB
JavaScript

/* 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";
this.EXPORTED_SYMBOLS = ["E10SUtils"];
const {interfaces: Ci, utils: Cu, classes: Cc} = Components;
Cu.import("resource://gre/modules/Services.jsm");
this.E10SUtils = {
shouldBrowserBeRemote: function(aURL) {
// loadURI in browser.xml treats null as about:blank
if (!aURL)
aURL = "about:blank";
if (aURL.startsWith("about:") &&
aURL.toLowerCase() != "about:home" &&
aURL.toLowerCase() != "about:blank" &&
!aURL.toLowerCase().startsWith("about:neterror") &&
!aURL.toLowerCase().startsWith("about:certerror")) {
return false;
}
return true;
},
shouldLoadURI: function(aDocShell, aURI, aReferrer) {
// about:blank is the initial document and can load anywhere
if (aURI.spec == "about:blank")
return true;
// Inner frames should always load in the current process
if (aDocShell.QueryInterface(Ci.nsIDocShellTreeItem).sameTypeParent)
return true;
// If the URI can be loaded in the current process then continue
let isRemote = Services.appinfo.processType == Services.appinfo.PROCESS_TYPE_CONTENT;
if (this.shouldBrowserBeRemote(aURI.spec) == isRemote)
return true;
return false;
},
redirectLoad: function(aDocShell, aURI, aReferrer) {
// Retarget the load to the correct process
let messageManager = aDocShell.QueryInterface(Ci.nsIInterfaceRequestor)
.getInterface(Ci.nsIContentFrameMessageManager);
let sessionHistory = aDocShell.getInterface(Ci.nsIWebNavigation).sessionHistory;
messageManager.sendAsyncMessage("Browser:LoadURI", {
uri: aURI.spec,
referrer: aReferrer ? aReferrer.spec : null,
historyIndex: sessionHistory.requestedIndex,
});
return false;
},
};