tools/quitter/QuitterObserver.js@97036ab72558 (annotated)
tools/quitter/QuitterObserver.js
Tue, 06 Jan 2015 21:39:09 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Tue, 06 Jan 2015 21:39:09 +0100
- branch
- TOR_BUG_9701
- changeset 8
- 97036ab72558
- permissions
- -rw-r--r--
Conditionally force memory storage according to privacy.thirdparty.isolate;
This solves Tor bug #9701, complying with disk avoidance documented in
https://www.torproject.org/projects/torbrowser/design/#disk-avoidance.
| michael@0 | 1 | /* This Source Code Form is subject to the terms of the Mozilla Public |
| michael@0 | 2 | * License, v. 2.0. If a copy of the MPL was not distributed with this |
| michael@0 | 3 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| michael@0 | 4 | |
| michael@0 | 5 | Components.utils.import("resource://gre/modules/XPCOMUtils.jsm"); |
| michael@0 | 6 | Components.utils.import("resource://gre/modules/Services.jsm"); |
| michael@0 | 7 | |
| michael@0 | 8 | const Cc = Components.classes; |
| michael@0 | 9 | const Ci = Components.interfaces; |
| michael@0 | 10 | |
| michael@0 | 11 | const CHILD_SCRIPT = "chrome://quitter/content/contentscript.js"; |
| michael@0 | 12 | |
| michael@0 | 13 | /* XPCOM gunk */ |
| michael@0 | 14 | function QuitterObserver() {} |
| michael@0 | 15 | |
| michael@0 | 16 | QuitterObserver.prototype = { |
| michael@0 | 17 | classDescription: "Quitter Observer for use in testing.", |
| michael@0 | 18 | classID: Components.ID("{c235a986-5ac1-4f28-ad73-825dae9bad90}"), |
| michael@0 | 19 | contractID: "@mozilla.org/quitter-observer;1", |
| michael@0 | 20 | QueryInterface: XPCOMUtils.generateQI([Components.interfaces.nsIObserver]), |
| michael@0 | 21 | _xpcom_categories: [{category: "profile-after-change", service: true }], |
| michael@0 | 22 | isFrameScriptLoaded: false, |
| michael@0 | 23 | |
| michael@0 | 24 | observe: function(aSubject, aTopic, aData) |
| michael@0 | 25 | { |
| michael@0 | 26 | if (aTopic == "profile-after-change") { |
| michael@0 | 27 | this.init(); |
| michael@0 | 28 | } else if (!this.isFrameScriptLoaded && |
| michael@0 | 29 | aTopic == "chrome-document-global-created") { |
| michael@0 | 30 | |
| michael@0 | 31 | var messageManager = Cc["@mozilla.org/globalmessagemanager;1"]. |
| michael@0 | 32 | getService(Ci.nsIMessageBroadcaster); |
| michael@0 | 33 | // Register for any messages our API needs us to handle |
| michael@0 | 34 | messageManager.addMessageListener("Quitter.Quit", this); |
| michael@0 | 35 | |
| michael@0 | 36 | messageManager.loadFrameScript(CHILD_SCRIPT, true); |
| michael@0 | 37 | this.isFrameScriptLoaded = true; |
| michael@0 | 38 | } else if (aTopic == "xpcom-shutdown") { |
| michael@0 | 39 | this.uninit(); |
| michael@0 | 40 | } |
| michael@0 | 41 | }, |
| michael@0 | 42 | |
| michael@0 | 43 | init: function() |
| michael@0 | 44 | { |
| michael@0 | 45 | var obs = Services.obs; |
| michael@0 | 46 | obs.addObserver(this, "xpcom-shutdown", false); |
| michael@0 | 47 | obs.addObserver(this, "chrome-document-global-created", false); |
| michael@0 | 48 | }, |
| michael@0 | 49 | |
| michael@0 | 50 | uninit: function() |
| michael@0 | 51 | { |
| michael@0 | 52 | var obs = Services.obs; |
| michael@0 | 53 | obs.removeObserver(this, "chrome-document-global-created", false); |
| michael@0 | 54 | }, |
| michael@0 | 55 | |
| michael@0 | 56 | /** |
| michael@0 | 57 | * messageManager callback function |
| michael@0 | 58 | * This will get requests from our API in the window and process them in chrome for it |
| michael@0 | 59 | **/ |
| michael@0 | 60 | receiveMessage: function(aMessage) { |
| michael@0 | 61 | switch(aMessage.name) { |
| michael@0 | 62 | case "Quitter.Quit": |
| michael@0 | 63 | let appStartup = Cc["@mozilla.org/toolkit/app-startup;1"].getService(Ci.nsIAppStartup); |
| michael@0 | 64 | appStartup.quit(Ci.nsIAppStartup.eForceQuit); |
| michael@0 | 65 | break; |
| michael@0 | 66 | } |
| michael@0 | 67 | } |
| michael@0 | 68 | }; |
| michael@0 | 69 | |
| michael@0 | 70 | const NSGetFactory = XPCOMUtils.generateNSGetFactory([QuitterObserver]); |
