38 lines
1.4 KiB
Plaintext
38 lines
1.4 KiB
Plaintext
/* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/* 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/.
|
|
*/
|
|
|
|
interface AudioChannelManager : EventTarget {
|
|
/**
|
|
* Indicates whether the headphones are plugged in or not.
|
|
*/
|
|
readonly attribute boolean headphones;
|
|
|
|
/**
|
|
* Fired when the headphones are plugged or unplugged.
|
|
*
|
|
* When the headphones are unplugged, we may start playing audio through the
|
|
* system's speakers. Similarly, when headphones are plugged in, we may
|
|
* switch audio from speakers to headphones.
|
|
*
|
|
* If audio is currently playing in this window or in one of its children, we
|
|
* will fire this event before we switch the audio output from headphones to
|
|
* speakers (or vice versa). This allows you to, for example, pause your
|
|
* window's audio when the headphones are unplugged.
|
|
*/
|
|
attribute EventHandler onheadphoneschange;
|
|
|
|
/**
|
|
* Indicates which audio channel is used to adjust volume when pressing HW
|
|
* volume keys.
|
|
*/
|
|
attribute DOMString volumeControlChannel;
|
|
|
|
[Pure, Cached, Throws,
|
|
Pref="dom.mozBrowserFramesEnabled",
|
|
CheckAnyPermissions="system-app-only-audio-channels-in-app"]
|
|
readonly attribute sequence<BrowserElementAudioChannel> allowedAudioChannels;
|
|
};
|