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