gecko-dev/toolkit/devtools/apps/Devices.jsm

49 строки
1.0 KiB
JavaScript

/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
"use strict";
Components.utils.import("resource://gre/modules/devtools/event-emitter.js");
const EXPORTED_SYMBOLS = ["Devices"];
let addonInstalled = false;
const Devices = {
_devices: {},
get helperAddonInstalled() {
return addonInstalled;
},
set helperAddonInstalled(v) {
addonInstalled = v;
if (!addonInstalled) {
for (let name in this._devices) {
this.unregister(name);
}
}
this.emit("addon-status-updated", v);
},
register: function (name, device) {
this._devices[name] = device;
this.emit("register");
},
unregister: function (name) {
delete this._devices[name];
this.emit("unregister");
},
available: function () {
return Object.keys(this._devices).sort();
},
getByName: function (name) {
return this._devices[name];
}
};
EventEmitter.decorate(Devices);