The Tor Browser: dom/webidl/AudioChannelManager.webidl@b8a032363ba2

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

     1 /* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

     2 /* This Source Code Form is subject to the terms of the Mozilla Public

     3  * License, v. 2.0. If a copy of the MPL was not distributed with this

     4  * file, You can obtain one at http://mozilla.org/MPL/2.0/.

     5  */

     7 interface AudioChannelManager : EventTarget {

     8   /**

     9    * Indicates whether the headphones are plugged in or not.

    10    */

    11   readonly attribute boolean headphones;

    13   /**

    14    * Fired when the headphones are plugged or unplugged.

    15    *

    16    * When the headphones are unplugged, we may start playing audio through the

    17    * system's speakers.  Similarly, when headphones are plugged in, we may

    18    * switch audio from speakers to headphones.

    19    *

    20    * If audio is currently playing in this window or in one of its children, we

    21    * will fire this event before we switch the audio output from headphones to

    22    * speakers (or vice versa).  This allows you to, for example, pause your

    23    * window's audio when the headphones are unplugged.

    24    */

    25   attribute EventHandler onheadphoneschange;

    27   /**

    28    * Indicates which audio channel is used to adjust volume when pressing HW

    29    * volume keys.

    30    */

    31   attribute DOMString volumeControlChannel;

    32 };

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