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
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: const { classes: Cc, interfaces: Ci, utils: Cu } = Components;
michael@0: Cu.import("resource://gre/modules/XPCOMUtils.jsm");
michael@0: XPCOMUtils.defineLazyModuleGetter(this, "Services", "resource://gre/modules/Services.jsm");
michael@0: 
michael@0: function oopCommandlineHandler() {
michael@0: }
michael@0: 
michael@0: oopCommandlineHandler.prototype = {
michael@0:     handle: function(cmdLine) {
michael@0:         let oopFlag = cmdLine.handleFlag("oop", false);
michael@0:         if (oopFlag) {
michael@0:             /**
michael@0:              * Manipulate preferences by adding to the *default* branch.  Adding
michael@0:              * to the default branch means the changes we make won"t get written
michael@0:              * back to user preferences.
michael@0:              */
michael@0:             let prefs = Services.prefs
michael@0:             let branch = prefs.getDefaultBranch("");
michael@0: 
michael@0:             try {
michael@0:                 // Turn on all OOP services, making desktop run similar to phone
michael@0:                 // environment
michael@0:                 branch.setBoolPref("dom.ipc.tabs.disabled", false);
michael@0:                 branch.setBoolPref("layers.acceleration.disabled", false);
michael@0:                 branch.setBoolPref("layers.offmainthreadcomposition.enabled", true);
michael@0:                 branch.setBoolPref("layers.offmainthreadcomposition.async-animations", true);
michael@0:                 branch.setBoolPref("layers.async-video.enabled", true);
michael@0:                 branch.setBoolPref("layers.async-pan-zoom.enabled", true);
michael@0:                 branch.setCharPref("gfx.content.azure.backends", "cairo");
michael@0:             } catch (e) { }
michael@0: 
michael@0:         }
michael@0:         if (cmdLine.state == Ci.nsICommandLine.STATE_REMOTE_AUTO) {
michael@0:             cmdLine.preventDefault = true;
michael@0:         }
michael@0:     },
michael@0: 
michael@0:     helpInfo: "  -oop         Use out-of-process model in B2G\n",
michael@0:     classID: Components.ID("{e30b0e13-2d12-4cb0-bc4c-4e617a1bf76e}"),
michael@0:     QueryInterface: XPCOMUtils.generateQI([Ci.nsICommandLineHandler]),
michael@0: };
michael@0: 
michael@0: this.NSGetFactory = XPCOMUtils.generateNSGetFactory([oopCommandlineHandler]);