fune/browser/extensions/report-site-issue/experimentalAPIs/aboutConfigPrefs.js

39 lines
1.3 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";
/* global ExtensionAPI, ExtensionCommon, Services */
this.aboutConfigPrefs = class extends ExtensionAPI {
getAPI(context) {
const EventManager = ExtensionCommon.EventManager;
const extensionIDBase = context.extension.id.split("@")[0];
const endpointPrefName = `extensions.${extensionIDBase}.newIssueEndpoint`;
return {
aboutConfigPrefs: {
onEndpointPrefChange: new EventManager({
context,
name: "aboutConfigPrefs.onEndpointPrefChange",
register: fire => {
const callback = () => {
fire.async().catch(() => {}); // ignore Message Manager disconnects
};
Services.prefs.addObserver(endpointPrefName, callback);
return () => {
Services.prefs.removeObserver(endpointPrefName, callback);
};
},
}).api(),
async getEndpointPref() {
return Services.prefs.getStringPref(endpointPrefName, undefined);
},
async setEndpointPref(value) {
Services.prefs.setStringPref(endpointPrefName, value);
},
},
};
}
};