The Tor Browser: b2g/components/OopCommandLine.js@b8a032363ba2

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

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

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

     3  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

     5 const { classes: Cc, interfaces: Ci, utils: Cu } = Components;

     6 Cu.import("resource://gre/modules/XPCOMUtils.jsm");

     7 XPCOMUtils.defineLazyModuleGetter(this, "Services", "resource://gre/modules/Services.jsm");

     9 function oopCommandlineHandler() {

    10 }

    12 oopCommandlineHandler.prototype = {

    13     handle: function(cmdLine) {

    14         let oopFlag = cmdLine.handleFlag("oop", false);

    15         if (oopFlag) {

    16             /**

    17              * Manipulate preferences by adding to the *default* branch.  Adding

    18              * to the default branch means the changes we make won"t get written

    19              * back to user preferences.

    20              */

    21             let prefs = Services.prefs

    22             let branch = prefs.getDefaultBranch("");

    24             try {

    25                 // Turn on all OOP services, making desktop run similar to phone

    26                 // environment

    27                 branch.setBoolPref("dom.ipc.tabs.disabled", false);

    28                 branch.setBoolPref("layers.acceleration.disabled", false);

    29                 branch.setBoolPref("layers.offmainthreadcomposition.enabled", true);

    30                 branch.setBoolPref("layers.offmainthreadcomposition.async-animations", true);

    31                 branch.setBoolPref("layers.async-video.enabled", true);

    32                 branch.setBoolPref("layers.async-pan-zoom.enabled", true);

    33                 branch.setCharPref("gfx.content.azure.backends", "cairo");

    34             } catch (e) { }

    36         }

    37         if (cmdLine.state == Ci.nsICommandLine.STATE_REMOTE_AUTO) {

    38             cmdLine.preventDefault = true;

    39         }

    40     },

    42     helpInfo: "  -oop         Use out-of-process model in B2G\n",

    43     classID: Components.ID("{e30b0e13-2d12-4cb0-bc4c-4e617a1bf76e}"),

    44     QueryInterface: XPCOMUtils.generateQI([Ci.nsICommandLineHandler]),

    45 };

    47 this.NSGetFactory = XPCOMUtils.generateNSGetFactory([oopCommandlineHandler]);

The Tor Browser / file revision