зеркало из https://github.com/mozilla/gecko-dev.git
33 строки
964 B
JavaScript
33 строки
964 B
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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module.metadata = {
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"stability": "experimental"
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};
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const { emit, off } = require("./event/core");
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const { when: unload } = require("./system/unload");
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const { PrefsTarget } = require("./preferences/event-target");
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const { id } = require("./self");
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const observers = require("./deprecated/observer-service");
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const ADDON_BRANCH = "extensions." + id + ".";
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const BUTTON_PRESSED = id + "-cmdPressed";
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const target = PrefsTarget({ branchName: ADDON_BRANCH });
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// Listen to clicks on buttons
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function buttonClick(subject, data) {
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emit(target, data);
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}
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observers.add(BUTTON_PRESSED, buttonClick);
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// Make sure we cleanup listeners on unload.
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unload(function() {
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observers.remove(BUTTON_PRESSED, buttonClick);
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});
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module.exports = target;
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