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: "use strict";
michael@0: 
michael@0: Components.utils.import("resource://gre/modules/devtools/event-emitter.js");
michael@0: 
michael@0: const EXPORTED_SYMBOLS = ["Devices"];
michael@0: 
michael@0: let addonInstalled = false;
michael@0: 
michael@0: const Devices = {
michael@0:   _devices: {},
michael@0: 
michael@0:   get helperAddonInstalled() {
michael@0:     return addonInstalled;
michael@0:   },
michael@0:   set helperAddonInstalled(v) {
michael@0:     addonInstalled = v;
michael@0:     this.emit("addon-status-updated", v);
michael@0:   },
michael@0: 
michael@0:   register: function (name, device) {
michael@0:     this._devices[name] = device;
michael@0:     this.emit("register");
michael@0:   },
michael@0: 
michael@0:   unregister: function (name) {
michael@0:     delete this._devices[name];
michael@0:     this.emit("unregister");
michael@0:   },
michael@0: 
michael@0:   available: function () {
michael@0:     return Object.keys(this._devices).sort();
michael@0:   },
michael@0: 
michael@0:   getByName: function (name) {
michael@0:     return this._devices[name];
michael@0:   }
michael@0: };
michael@0: 
michael@0: EventEmitter.decorate(Devices);