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// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
module media_router.mojom;
import "components/media_router/common/mojom/media_status.mojom";
import "mojo/public/mojom/base/time.mojom";
// Interface for a controller to change the current state of a media content.
// This interface should be kept free of details specific to Media Router, so
// that it can be moved to the media namespace and be reused for other features
// in the future.
interface MediaController {
// Starts playing the media if it is paused. Is a no-op if not supported by
// the media or the media is already playing.
Play();
// Pauses the media if it is playing. Is a no-op if not supported by the media
// or the media is already paused.
Pause();
// Mutes the media if |mute| is true, and unmutes it if false. Is a no-op if
// not supported by the media.
SetMute(bool mute);
// Changes the current volume of the media, with 1 being the highest and 0
// being the lowest/no sound. Does not change the (un)muted state of the
// media. Is a no-op if not supported by the media.
SetVolume(float volume);
// Sets the current playback position. |time| must be less than or equal to
// the duration of the media. Is a no-op if the media doesn't support seeking.
Seek(mojo_base.mojom.TimeDelta time);
// Skips to the next media track, e.g. the next song in a playlist. It is a
// no-op if there is no next track.
NextTrack();
// Skips to the previous media track, e.g. the previous song in a playlist. It
// is a no-op if there is no previous track.
PreviousTrack();
};
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