// Copyright 2018 The Fuchsia Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

library fuchsia.mediasession;

using zx;
using fuchsia.mediaplayer;

struct PlaybackStatus {
    /// Total duration of playing media. 0 if not known or not applicable.
    zx.duration duration;
    PlaybackState playback_state;
    /// A playback function that describes the position and rate of play through
    /// the media.
    // TODO(turnage): move this type to fuchsia.media
    fuchsia.mediaplayer.TimelineFunction playback_function;
    RepeatMode repeat_mode;
    bool shuffle_on;
    /// Whether a media item exists after the playing one in queue (e.g. a next
    /// song in an album or next video in a playlist.)
    bool has_next_item;
    /// Whether a media item preceded the playing one in queue.
    bool has_prev_item;
    Error? error;
};

enum PlaybackState {
    STOPPED = 0;
    PLAYING = 1;
    PAUSED = 2;
    ERROR = 3;
};

struct Error {
    uint32 code;
    string description;
};

enum RepeatMode {
    /// No repeat.
    OFF = 0;
    /// Repeat the relevant group of media (e.g. playlist).
    GROUP = 1;
    /// Repeat the currently playing media.
    SINGLE = 2;
};