summaryrefslogtreecommitdiffstats
path: root/toolkit/content/widgets/general.js
blob: 14003a7558e32cf31deab0145a5782ee11b8acd8 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
/* 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";

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

    disconnectedCallback() {
      if (this.getAttribute("commandupdater") === "true") {
        document.commandDispatcher.removeCommandUpdater(this);
      }
    }
  }

  customElements.define("commandset", MozCommandSet);
}