diff options
Diffstat (limited to 'dom/ipc/preload.js')
| -rw-r--r-- | dom/ipc/preload.js | 130 |
1 files changed, 130 insertions, 0 deletions
diff --git a/dom/ipc/preload.js b/dom/ipc/preload.js new file mode 100644 index 000000000..10fd15f4a --- /dev/null +++ b/dom/ipc/preload.js @@ -0,0 +1,130 @@ +/* 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); + |