The Tor Browser: b2g/components/ProcessGlobal.js@925c144e1f1f

     1 /* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- /

     2 /* vim: set shiftwidth=2 tabstop=2 autoindent cindent expandtab: */

     3 /* This Source Code Form is subject to the terms of the Mozilla Public

     4  * License, v. 2.0. If a copy of the MPL was not distributed with this file,

     5  * You can obtain one at http://mozilla.org/MPL/2.0/. */

     7 'use strict';

     9 /**

    10  * This code exists to be a "grab bag" of global code that needs to be

    11  * loaded per B2G process, but doesn't need to directly interact with

    12  * web content.

    13  *

    14  * (It's written as an XPCOM service because it needs to watch

    15  * app-startup.)

    16  */

    18 const Cc = Components.classes;

    19 const Ci = Components.interfaces;

    20 const Cu = Components.utils;

    22 Cu.import('resource://gre/modules/Services.jsm');

    23 Cu.import('resource://gre/modules/XPCOMUtils.jsm');

    25 // Preloading the CSP jsm in this process early on.

    26 Cu.import("resource://gre/modules/CSPUtils.jsm");

    28 function debug(msg) {

    29   log(msg);

    30 }

    31 function log(msg) {

    32   // This file implements console.log(), so use dump().

    33   //dump('ProcessGlobal: ' + msg + '\n');

    34 }

    36 function ProcessGlobal() {}

    37 ProcessGlobal.prototype = {

    38   classID: Components.ID('{1a94c87a-5ece-4d11-91e1-d29c29f21b28}'),

    39   QueryInterface: XPCOMUtils.generateQI([Ci.nsIObserver,

    40                                          Ci.nsISupportsWeakReference]),

    42   observe: function pg_observe(subject, topic, data) {

    43     switch (topic) {

    44     case 'app-startup': {

    45       Services.obs.addObserver(this, 'console-api-log-event', false);

    46       break;

    47     }

    48     case 'console-api-log-event': {

    49       // Pipe `console` log messages to the nsIConsoleService which

    50       // writes them to logcat on Gonk.

    51       let message = subject.wrappedJSObject;

    52       let prefix = ('Content JS ' + message.level.toUpperCase() +

    53                     ' at ' + message.filename + ':' + message.lineNumber +

    54                     ' in ' + (message.functionName || 'anonymous') + ': ');

    55       Services.console.logStringMessage(prefix + Array.join(message.arguments,

    56                                                             ' '));

    57       break;

    58     }

    59     }

    60   },

    61 };

    63 this.NSGetFactory = XPCOMUtils.generateNSGetFactory([ProcessGlobal]);

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