зеркало из https://github.com/mozilla/gecko-dev.git
54 строки
1.1 KiB
JavaScript
54 строки
1.1 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://devtools/shared/event-emitter.js");
|
|
|
|
const EXPORTED_SYMBOLS = ["Devices"];
|
|
|
|
var 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];
|
|
}
|
|
};
|
|
Object.defineProperty(this, "Devices", {
|
|
value: Devices,
|
|
enumerable: true,
|
|
writable: false
|
|
});
|
|
|
|
EventEmitter.decorate(Devices);
|