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76 lines
2.3 KiB
Plaintext
76 lines
2.3 KiB
Plaintext
/* 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 file,
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* You can obtain one at http://mozilla.org/MPL/2.0/.
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*/
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/**
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* This enum lists all supported behaviors on the media controller.
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*/
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enum MediaControlKey {
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"focus",
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"play",
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"pause",
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"playpause",
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"previoustrack",
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"nexttrack",
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"seekbackward",
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"seekforward",
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"skipad",
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"seekto",
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"stop",
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};
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/**
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* MediaController is used to control media playback for a tab, and each tab
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* would only have one media controller, which can be accessed from the
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* canonical browsing context.
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*/
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[Exposed=Window, ChromeOnly]
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interface MediaController : EventTarget {
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readonly attribute unsigned long long id;
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readonly attribute boolean isActive;
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readonly attribute boolean isAudible;
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readonly attribute boolean isPlaying;
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readonly attribute MediaSessionPlaybackState playbackState;
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[Throws]
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MediaMetadataInit getMetadata();
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[Frozen, Cached, Pure]
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readonly attribute sequence<MediaControlKey> supportedKeys;
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attribute EventHandler onactivated;
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attribute EventHandler ondeactivated;
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// Following events would only be dispatched after controller is active.
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attribute EventHandler onmetadatachange;
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attribute EventHandler onplaybackstatechange;
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attribute EventHandler onpositionstatechange;
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attribute EventHandler onsupportedkeyschange;
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undefined focus();
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undefined play();
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undefined pause();
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undefined stop();
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undefined prevTrack();
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undefined nextTrack();
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undefined seekBackward(double seekOffset);
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undefined seekForward(double seekOffset);
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undefined skipAd();
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undefined seekTo(double seekTime, optional boolean fastSeek = false);
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};
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[ChromeOnly,Exposed=Window,HeaderFile="mozilla/dom/MediaControlService.h"]
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namespace MediaControlService {
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// This is used to generate fake media control keys event in testing.
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undefined generateMediaControlKey(MediaControlKey aKey, optional double aSeekValue = 0.0);
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// This is used to get the media metadata from the current main controller in
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// testing.
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MediaMetadataInit getCurrentActiveMediaMetadata();
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// This is used to get the actual media playback state from the current main
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// controller in testing.
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MediaSessionPlaybackState getCurrentMediaSessionPlaybackState();
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};
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