michael@0: /* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- /
michael@0: /* vim: set shiftwidth=2 tabstop=2 autoindent cindent expandtab: */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this file,
michael@0:  * You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: 'use strict';
michael@0: 
michael@0: /**
michael@0:  * This code exists to be a "grab bag" of global code that needs to be
michael@0:  * loaded per B2G process, but doesn't need to directly interact with
michael@0:  * web content.
michael@0:  *
michael@0:  * (It's written as an XPCOM service because it needs to watch
michael@0:  * app-startup.)
michael@0:  */
michael@0: 
michael@0: const Cc = Components.classes;
michael@0: const Ci = Components.interfaces;
michael@0: const Cu = Components.utils;
michael@0: 
michael@0: Cu.import('resource://gre/modules/Services.jsm');
michael@0: Cu.import('resource://gre/modules/XPCOMUtils.jsm');
michael@0: 
michael@0: // Preloading the CSP jsm in this process early on.
michael@0: Cu.import("resource://gre/modules/CSPUtils.jsm");
michael@0: 
michael@0: function debug(msg) {
michael@0:   log(msg);
michael@0: }
michael@0: function log(msg) {
michael@0:   // This file implements console.log(), so use dump().
michael@0:   //dump('ProcessGlobal: ' + msg + '\n');
michael@0: }
michael@0: 
michael@0: function ProcessGlobal() {}
michael@0: ProcessGlobal.prototype = {
michael@0:   classID: Components.ID('{1a94c87a-5ece-4d11-91e1-d29c29f21b28}'),
michael@0:   QueryInterface: XPCOMUtils.generateQI([Ci.nsIObserver,
michael@0:                                          Ci.nsISupportsWeakReference]),
michael@0: 
michael@0:   observe: function pg_observe(subject, topic, data) {
michael@0:     switch (topic) {
michael@0:     case 'app-startup': {
michael@0:       Services.obs.addObserver(this, 'console-api-log-event', false);
michael@0:       break;
michael@0:     }
michael@0:     case 'console-api-log-event': {
michael@0:       // Pipe `console` log messages to the nsIConsoleService which
michael@0:       // writes them to logcat on Gonk.
michael@0:       let message = subject.wrappedJSObject;
michael@0:       let prefix = ('Content JS ' + message.level.toUpperCase() +
michael@0:                     ' at ' + message.filename + ':' + message.lineNumber +
michael@0:                     ' in ' + (message.functionName || 'anonymous') + ': ');
michael@0:       Services.console.logStringMessage(prefix + Array.join(message.arguments,
michael@0:                                                             ' '));
michael@0:       break;
michael@0:     }
michael@0:     }
michael@0:   },
michael@0: };
michael@0: 
michael@0: this.NSGetFactory = XPCOMUtils.generateNSGetFactory([ProcessGlobal]);