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-rw-r--r--dom/ipc/preload.js130
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diff --git a/dom/ipc/preload.js b/dom/ipc/preload.js
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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/. */
+
+// Preload some things, in an attempt to make app startup faster.
+//
+// This script is run when the preallocated process starts. It is injected as
+// a frame script.
+
+var BrowserElementIsPreloaded = true;
+
+var DoPreloadPostfork = function(aCallback) {
+ Services.obs.addObserver({
+ _callback: aCallback,
+
+ observe: function() {
+ this._callback();
+ Services.obs.removeObserver(this, "preload-postfork");
+ }
+ }, "preload-postfork", false);
+};
+
+(function (global) {
+ "use strict";
+
+ let Cu = Components.utils;
+ let Cc = Components.classes;
+ let Ci = Components.interfaces;
+
+ Cu.import("resource://gre/modules/AppsUtils.jsm");
+ Cu.import("resource://gre/modules/BrowserElementPromptService.jsm");
+ Cu.import("resource://gre/modules/DOMRequestHelper.jsm");
+ Cu.import("resource://gre/modules/FileUtils.jsm");
+ Cu.import("resource://gre/modules/Geometry.jsm");
+ Cu.import("resource://gre/modules/IndexedDBHelper.jsm");
+ Cu.import("resource://gre/modules/NetUtil.jsm");
+ Cu.import("resource://gre/modules/Services.jsm");
+ Cu.import("resource://gre/modules/SettingsDB.jsm");
+ Cu.import("resource://gre/modules/XPCOMUtils.jsm");
+
+ Cc["@mozilla.org/appshell/appShellService;1"].getService(Ci["nsIAppShellService"]);
+ Cc["@mozilla.org/appshell/window-mediator;1"].getService(Ci["nsIWindowMediator"]);
+ Cc["@mozilla.org/base/telemetry;1"].getService(Ci["nsITelemetry"]);
+ Cc["@mozilla.org/categorymanager;1"].getService(Ci["nsICategoryManager"]);
+ Cc["@mozilla.org/childprocessmessagemanager;1"].getService(Ci["nsIMessageSender"]);
+ Cc["@mozilla.org/consoleservice;1"].getService(Ci["nsIConsoleService"]);
+ Cc["@mozilla.org/docshell/urifixup;1"].getService(Ci["nsIURIFixup"]);
+ Cc["@mozilla.org/dom/dom-request-service;1"].getService(Ci["nsIDOMRequestService"]);
+ Cc["@mozilla.org/embedcomp/prompt-service;1"].getService(Ci["nsIPromptService"]);
+ Cc["@mozilla.org/embedcomp/window-watcher;1"].getService(Ci["nsIWindowWatcher"]);
+ Cc["@mozilla.org/eventlistenerservice;1"].getService(Ci["nsIEventListenerService"]);
+ Cc["@mozilla.org/focus-manager;1"].getService(Ci["nsIFocusManager"]);
+ Cc["@mozilla.org/intl/nslocaleservice;1"].getService(Ci["nsILocaleService"]);
+ Cc["@mozilla.org/intl/stringbundle;1"].getService(Ci["nsIStringBundleService"]);
+ Cc["@mozilla.org/layout/content-policy;1"].getService(Ci["nsIContentPolicy"]);
+ Cc["@mozilla.org/message-loop;1"].getService(Ci["nsIMessageLoop"]);
+ Cc["@mozilla.org/moz/jssubscript-loader;1"].getService(Ci["mozIJSSubScriptLoader"]);
+ Cc["@mozilla.org/network/application-cache-service;1"].getService(Ci["nsIApplicationCacheService"]);
+ Cc["@mozilla.org/network/dns-service;1"].getService(Ci["nsIDNSService"]);
+ Cc["@mozilla.org/network/effective-tld-service;1"].getService(Ci["nsIEffectiveTLDService"]);
+ Cc["@mozilla.org/network/idn-service;1"].getService(Ci["nsIIDNService"]);
+ Cc["@mozilla.org/network/io-service;1"].getService(Ci["nsIIOService2"]);
+ Cc["@mozilla.org/network/mime-hdrparam;1"].getService(Ci["nsIMIMEHeaderParam"]);
+ Cc["@mozilla.org/network/socket-transport-service;1"].getService(Ci["nsISocketTransportService"]);
+ Cc["@mozilla.org/network/stream-transport-service;1"].getService(Ci["nsIStreamTransportService"]);
+ Cc["@mozilla.org/network/url-parser;1?auth=maybe"].getService(Ci["nsIURLParser"]);
+ Cc["@mozilla.org/network/url-parser;1?auth=no"].getService(Ci["nsIURLParser"]);
+ Cc["@mozilla.org/network/url-parser;1?auth=yes"].getService(Ci["nsIURLParser"]);
+ Cc["@mozilla.org/observer-service;1"].getService(Ci["nsIObserverService"]);
+ Cc["@mozilla.org/preferences-service;1"].getService(Ci["nsIPrefBranch"]);
+ Cc["@mozilla.org/scriptsecuritymanager;1"].getService(Ci["nsIScriptSecurityManager"]);
+ Cc["@mozilla.org/storage/service;1"].getService(Ci["mozIStorageService"]);
+ Cc["@mozilla.org/system-info;1"].getService(Ci["nsIPropertyBag2"]);
+ Cc["@mozilla.org/thread-manager;1"].getService(Ci["nsIThreadManager"]);
+ Cc["@mozilla.org/toolkit/app-startup;1"].getService(Ci["nsIAppStartup"]);
+ Cc["@mozilla.org/uriloader;1"].getService(Ci["nsIURILoader"]);
+ Cc["@mozilla.org/cspcontext;1"].createInstance(Ci["nsIContentSecurityPolicy"]);
+ Cc["@mozilla.org/settingsManager;1"].createInstance(Ci["nsISupports"]);
+
+ /* Applications Specific Helper */
+ try {
+ if (Services.prefs.getBoolPref("dom.sysmsg.enabled")) {
+ Cc["@mozilla.org/system-message-manager;1"].getService(Ci["nsIDOMNavigatorSystemMessages"]);
+ }
+ } catch(e) {
+ }
+
+ try {
+ if (Services.prefs.getBoolPref("dom.mozInputMethod.enabled")) {
+ Services.scriptloader.loadSubScript("chrome://global/content/forms.js", global);
+ }
+ } catch (e) {
+ }
+
+ Services.scriptloader.loadSubScript("chrome://global/content/BrowserElementCopyPaste.js", global);
+ Services.scriptloader.loadSubScript("chrome://global/content/BrowserElementChildPreload.js", global);
+
+ Services.io.getProtocolHandler("app");
+ Services.io.getProtocolHandler("default");
+
+ // Register an observer for topic "preload_postfork" after we fork a content
+ // process.
+ DoPreloadPostfork(function () {
+ // Load AppsServiceChild.jsm after fork since it sends an async message to
+ // the chrome process in its init() function.
+ Cu.import("resource://gre/modules/AppsServiceChild.jsm");
+
+ // Load nsIAppsService after fork since its implementation loads
+ // AppsServiceChild.jsm
+ Cc["@mozilla.org/AppsService;1"].getService(Ci["nsIAppsService"]);
+
+ // Load nsICookieService after fork since it sends an IPC constructor
+ // message to the chrome process.
+ Cc["@mozilla.org/cookieService;1"].getService(Ci["nsICookieService"]);
+
+ // Load nsIPermissionManager after fork since it sends a message to the
+ // chrome process to read permissions.
+ Cc["@mozilla.org/permissionmanager;1"].getService(Ci["nsIPermissionManager"]);
+
+ // Load nsIProtocolProxyService after fork since it asynchronously accesses
+ // the "Proxy Resolution" thread after it's frozen.
+ Cc["@mozilla.org/network/protocol-proxy-service;1"].getService(Ci["nsIProtocolProxyService"]);
+
+ // Call docShell.createAboutBlankContentViewer() after fork since it has IPC
+ // activity in the PCompositor protocol.
+ docShell.createAboutBlankContentViewer(null);
+ docShell.isActive = false;
+ });
+})(this);
+