diff options
Diffstat (limited to 'MediaBrowser.Controller/SyncPlay/Queue/PlayQueueManager.cs')
| -rw-r--r-- | MediaBrowser.Controller/SyncPlay/Queue/PlayQueueManager.cs | 124 |
1 files changed, 51 insertions, 73 deletions
diff --git a/MediaBrowser.Controller/SyncPlay/Queue/PlayQueueManager.cs b/MediaBrowser.Controller/SyncPlay/Queue/PlayQueueManager.cs index b8ae9f3ff..f49876cca 100644 --- a/MediaBrowser.Controller/SyncPlay/Queue/PlayQueueManager.cs +++ b/MediaBrowser.Controller/SyncPlay/Queue/PlayQueueManager.cs @@ -3,6 +3,7 @@ using System; using System.Collections.Generic; using System.Linq; +using Jellyfin.Extensions; using MediaBrowser.Model.SyncPlay; namespace MediaBrowser.Controller.SyncPlay.Queue @@ -19,10 +20,16 @@ namespace MediaBrowser.Controller.SyncPlay.Queue private const int NoPlayingItemIndex = -1; /// <summary> - /// Random number generator used to shuffle lists. + /// The sorted playlist. /// </summary> - /// <value>The random number generator.</value> - private readonly Random _randomNumberGenerator = new Random(); + /// <value>The sorted playlist, or play queue of the group.</value> + private List<QueueItem> _sortedPlaylist = new List<QueueItem>(); + + /// <summary> + /// The shuffled playlist. + /// </summary> + /// <value>The shuffled playlist, or play queue of the group.</value> + private List<QueueItem> _shuffledPlaylist = new List<QueueItem>(); /// <summary> /// Initializes a new instance of the <see cref="PlayQueueManager" /> class. @@ -57,18 +64,6 @@ namespace MediaBrowser.Controller.SyncPlay.Queue public GroupRepeatMode RepeatMode { get; private set; } = GroupRepeatMode.RepeatNone; /// <summary> - /// Gets or sets the sorted playlist. - /// </summary> - /// <value>The sorted playlist, or play queue of the group.</value> - private List<QueueItem> SortedPlaylist { get; set; } = new List<QueueItem>(); - - /// <summary> - /// Gets or sets the shuffled playlist. - /// </summary> - /// <value>The shuffled playlist, or play queue of the group.</value> - private List<QueueItem> ShuffledPlaylist { get; set; } = new List<QueueItem>(); - - /// <summary> /// Checks if an item is playing. /// </summary> /// <returns><c>true</c> if an item is playing; <c>false</c> otherwise.</returns> @@ -92,14 +87,14 @@ namespace MediaBrowser.Controller.SyncPlay.Queue /// <param name="items">The new items of the playlist.</param> public void SetPlaylist(IReadOnlyList<Guid> items) { - SortedPlaylist.Clear(); - ShuffledPlaylist.Clear(); + _sortedPlaylist.Clear(); + _shuffledPlaylist.Clear(); - SortedPlaylist = CreateQueueItemsFromArray(items); + _sortedPlaylist = CreateQueueItemsFromArray(items); if (ShuffleMode.Equals(GroupShuffleMode.Shuffle)) { - ShuffledPlaylist = new List<QueueItem>(SortedPlaylist); - Shuffle(ShuffledPlaylist); + _shuffledPlaylist = new List<QueueItem>(_sortedPlaylist); + _shuffledPlaylist.Shuffle(); } PlayingItemIndex = NoPlayingItemIndex; @@ -114,10 +109,10 @@ namespace MediaBrowser.Controller.SyncPlay.Queue { var newItems = CreateQueueItemsFromArray(items); - SortedPlaylist.AddRange(newItems); + _sortedPlaylist.AddRange(newItems); if (ShuffleMode.Equals(GroupShuffleMode.Shuffle)) { - ShuffledPlaylist.AddRange(newItems); + _shuffledPlaylist.AddRange(newItems); } LastChange = DateTime.UtcNow; @@ -130,26 +125,26 @@ namespace MediaBrowser.Controller.SyncPlay.Queue { if (PlayingItemIndex == NoPlayingItemIndex) { - ShuffledPlaylist = new List<QueueItem>(SortedPlaylist); - Shuffle(ShuffledPlaylist); + _shuffledPlaylist = new List<QueueItem>(_sortedPlaylist); + _shuffledPlaylist.Shuffle(); } else if (ShuffleMode.Equals(GroupShuffleMode.Sorted)) { // First time shuffle. - var playingItem = SortedPlaylist[PlayingItemIndex]; - ShuffledPlaylist = new List<QueueItem>(SortedPlaylist); - ShuffledPlaylist.RemoveAt(PlayingItemIndex); - Shuffle(ShuffledPlaylist); - ShuffledPlaylist.Insert(0, playingItem); + var playingItem = _sortedPlaylist[PlayingItemIndex]; + _shuffledPlaylist = new List<QueueItem>(_sortedPlaylist); + _shuffledPlaylist.RemoveAt(PlayingItemIndex); + _shuffledPlaylist.Shuffle(); + _shuffledPlaylist.Insert(0, playingItem); PlayingItemIndex = 0; } else { // Re-shuffle playlist. - var playingItem = ShuffledPlaylist[PlayingItemIndex]; - ShuffledPlaylist.RemoveAt(PlayingItemIndex); - Shuffle(ShuffledPlaylist); - ShuffledPlaylist.Insert(0, playingItem); + var playingItem = _shuffledPlaylist[PlayingItemIndex]; + _shuffledPlaylist.RemoveAt(PlayingItemIndex); + _shuffledPlaylist.Shuffle(); + _shuffledPlaylist.Insert(0, playingItem); PlayingItemIndex = 0; } @@ -164,11 +159,11 @@ namespace MediaBrowser.Controller.SyncPlay.Queue { if (PlayingItemIndex != NoPlayingItemIndex) { - var playingItem = ShuffledPlaylist[PlayingItemIndex]; - PlayingItemIndex = SortedPlaylist.IndexOf(playingItem); + var playingItem = _shuffledPlaylist[PlayingItemIndex]; + PlayingItemIndex = _sortedPlaylist.IndexOf(playingItem); } - ShuffledPlaylist.Clear(); + _shuffledPlaylist.Clear(); ShuffleMode = GroupShuffleMode.Sorted; LastChange = DateTime.UtcNow; @@ -181,16 +176,16 @@ namespace MediaBrowser.Controller.SyncPlay.Queue public void ClearPlaylist(bool clearPlayingItem) { var playingItem = GetPlayingItem(); - SortedPlaylist.Clear(); - ShuffledPlaylist.Clear(); + _sortedPlaylist.Clear(); + _shuffledPlaylist.Clear(); LastChange = DateTime.UtcNow; if (!clearPlayingItem && playingItem != null) { - SortedPlaylist.Add(playingItem); + _sortedPlaylist.Add(playingItem); if (ShuffleMode.Equals(GroupShuffleMode.Shuffle)) { - ShuffledPlaylist.Add(playingItem); + _shuffledPlaylist.Add(playingItem); } PlayingItemIndex = 0; @@ -212,14 +207,14 @@ namespace MediaBrowser.Controller.SyncPlay.Queue if (ShuffleMode.Equals(GroupShuffleMode.Shuffle)) { var playingItem = GetPlayingItem(); - var sortedPlayingItemIndex = SortedPlaylist.IndexOf(playingItem); + var sortedPlayingItemIndex = _sortedPlaylist.IndexOf(playingItem); // Append items to sorted and shuffled playlist as they are. - SortedPlaylist.InsertRange(sortedPlayingItemIndex + 1, newItems); - ShuffledPlaylist.InsertRange(PlayingItemIndex + 1, newItems); + _sortedPlaylist.InsertRange(sortedPlayingItemIndex + 1, newItems); + _shuffledPlaylist.InsertRange(PlayingItemIndex + 1, newItems); } else { - SortedPlaylist.InsertRange(PlayingItemIndex + 1, newItems); + _sortedPlaylist.InsertRange(PlayingItemIndex + 1, newItems); } LastChange = DateTime.UtcNow; @@ -298,8 +293,8 @@ namespace MediaBrowser.Controller.SyncPlay.Queue { var playingItem = GetPlayingItem(); - SortedPlaylist.RemoveAll(item => playlistItemIds.Contains(item.PlaylistItemId)); - ShuffledPlaylist.RemoveAll(item => playlistItemIds.Contains(item.PlaylistItemId)); + _sortedPlaylist.RemoveAll(item => playlistItemIds.Contains(item.PlaylistItemId)); + _shuffledPlaylist.RemoveAll(item => playlistItemIds.Contains(item.PlaylistItemId)); LastChange = DateTime.UtcNow; @@ -313,7 +308,7 @@ namespace MediaBrowser.Controller.SyncPlay.Queue { // Was first element, picking next if available. // Default to no playing item otherwise. - PlayingItemIndex = SortedPlaylist.Count > 0 ? 0 : NoPlayingItemIndex; + PlayingItemIndex = _sortedPlaylist.Count > 0 ? 0 : NoPlayingItemIndex; } return true; @@ -363,8 +358,8 @@ namespace MediaBrowser.Controller.SyncPlay.Queue /// </summary> public void Reset() { - SortedPlaylist.Clear(); - ShuffledPlaylist.Clear(); + _sortedPlaylist.Clear(); + _shuffledPlaylist.Clear(); PlayingItemIndex = NoPlayingItemIndex; ShuffleMode = GroupShuffleMode.Sorted; RepeatMode = GroupRepeatMode.RepeatNone; @@ -460,7 +455,7 @@ namespace MediaBrowser.Controller.SyncPlay.Queue } PlayingItemIndex++; - if (PlayingItemIndex >= SortedPlaylist.Count) + if (PlayingItemIndex >= _sortedPlaylist.Count) { if (RepeatMode.Equals(GroupRepeatMode.RepeatAll)) { @@ -468,7 +463,7 @@ namespace MediaBrowser.Controller.SyncPlay.Queue } else { - PlayingItemIndex = SortedPlaylist.Count - 1; + PlayingItemIndex = _sortedPlaylist.Count - 1; return false; } } @@ -494,7 +489,7 @@ namespace MediaBrowser.Controller.SyncPlay.Queue { if (RepeatMode.Equals(GroupRepeatMode.RepeatAll)) { - PlayingItemIndex = SortedPlaylist.Count - 1; + PlayingItemIndex = _sortedPlaylist.Count - 1; } else { @@ -508,23 +503,6 @@ namespace MediaBrowser.Controller.SyncPlay.Queue } /// <summary> - /// Shuffles a given list. - /// </summary> - /// <param name="list">The list to shuffle.</param> - private void Shuffle<T>(IList<T> list) - { - int n = list.Count; - while (n > 1) - { - n--; - int k = _randomNumberGenerator.Next(n + 1); - T value = list[k]; - list[k] = list[n]; - list[n] = value; - } - } - - /// <summary> /// Creates a list from the array of items. Each item is given an unique playlist identifier. /// </summary> /// <returns>The list of queue items.</returns> @@ -548,11 +526,11 @@ namespace MediaBrowser.Controller.SyncPlay.Queue { if (ShuffleMode.Equals(GroupShuffleMode.Shuffle)) { - return ShuffledPlaylist; + return _shuffledPlaylist; } else { - return SortedPlaylist; + return _sortedPlaylist; } } @@ -568,11 +546,11 @@ namespace MediaBrowser.Controller.SyncPlay.Queue } else if (ShuffleMode.Equals(GroupShuffleMode.Shuffle)) { - return ShuffledPlaylist[PlayingItemIndex]; + return _shuffledPlaylist[PlayingItemIndex]; } else { - return SortedPlaylist[PlayingItemIndex]; + return _sortedPlaylist[PlayingItemIndex]; } } } |