gecko-dev/dom/ipc/preload.js

153 строки
7.2 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/. */
// 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) {
}
if (Services.prefs.getIntPref("dom.w3c_touch_events.enabled") != 0) {
try {
if (Services.prefs.getBoolPref("layers.async-pan-zoom.enabled") === false) {
Services.scriptloader.loadSubScript("chrome://global/content/BrowserElementPanningAPZDisabled.js", global);
}
} catch (e) {
}
Services.scriptloader.loadSubScript("chrome://global/content/BrowserElementPanning.js", global);
}
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 UserCustomizations.jsm after fork since it sends an async message to
// the chrome process in its init() function.
try {
if (Services.prefs.getBoolPref("dom.apps.customization.enabled")) {
Cu.import("resource://gre/modules/UserCustomizations.jsm");
}
} catch(e) {}
// 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"]);
// Create this instance after fork since it loads AppsServiceChild.jsm
Cc["@mozilla.org/webapps;1"].createInstance(Ci["nsISupports"]);
// 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);