toolkit/actors/AudioPlaybackChild.jsm


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23

/* vim: set ts=2 sw=2 sts=2 et tw=80: */
/* 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";

var EXPORTED_SYMBOLS = ["AudioPlaybackChild"];

class AudioPlaybackChild extends JSWindowActorChild {
  observe(subject, topic, data) {
    if (topic === "audio-playback") {
      let name = "AudioPlayback:";
      if (data === "activeMediaBlockStart") {
        name += "ActiveMediaBlockStart";
      } else if (data === "activeMediaBlockStop") {
        name += "ActiveMediaBlockStop";
      } else {
        name += data === "active" ? "Start" : "Stop";
      }
      this.sendAsyncMessage(name);
    }
  }
}