27 lines
933 B
JavaScript
27 lines
933 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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// This is loaded into chrome windows with the subscript loader. Wrap in
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// a block to prevent accidentally leaking globals onto `window`.
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{
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class MozCommandSet extends MozXULElement {
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connectedCallback() {
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if (this.getAttribute("commandupdater") === "true") {
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const events = this.getAttribute("events") || "*";
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const targets = this.getAttribute("targets") || "*";
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document.commandDispatcher.addCommandUpdater(this, events, targets);
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}
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}
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disconnectedCallback() {
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if (this.getAttribute("commandupdater") === "true") {
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document.commandDispatcher.removeCommandUpdater(this);
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}
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}
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}
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customElements.define("commandset", MozCommandSet);
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}
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