| | 1 | | #nullable disable |
| | 2 | |
|
| | 3 | | using System; |
| | 4 | | using System.Collections.Generic; |
| | 5 | | using System.Linq; |
| | 6 | | using Jellyfin.Extensions; |
| | 7 | | using MediaBrowser.Model.SyncPlay; |
| | 8 | |
|
| | 9 | | namespace MediaBrowser.Controller.SyncPlay.Queue |
| | 10 | | { |
| | 11 | | /// <summary> |
| | 12 | | /// Class PlayQueueManager. |
| | 13 | | /// </summary> |
| | 14 | | public class PlayQueueManager |
| | 15 | | { |
| | 16 | | /// <summary> |
| | 17 | | /// Placeholder index for when no item is playing. |
| | 18 | | /// </summary> |
| | 19 | | /// <value>The no-playing item index.</value> |
| | 20 | | private const int NoPlayingItemIndex = -1; |
| | 21 | |
|
| | 22 | | /// <summary> |
| | 23 | | /// The sorted playlist. |
| | 24 | | /// </summary> |
| | 25 | | /// <value>The sorted playlist, or play queue of the group.</value> |
| 0 | 26 | | private List<SyncPlayQueueItem> _sortedPlaylist = new List<SyncPlayQueueItem>(); |
| | 27 | |
|
| | 28 | | /// <summary> |
| | 29 | | /// The shuffled playlist. |
| | 30 | | /// </summary> |
| | 31 | | /// <value>The shuffled playlist, or play queue of the group.</value> |
| 0 | 32 | | private List<SyncPlayQueueItem> _shuffledPlaylist = new List<SyncPlayQueueItem>(); |
| | 33 | |
|
| | 34 | | /// <summary> |
| | 35 | | /// Initializes a new instance of the <see cref="PlayQueueManager" /> class. |
| | 36 | | /// </summary> |
| | 37 | | public PlayQueueManager() |
| | 38 | | { |
| 0 | 39 | | Reset(); |
| 0 | 40 | | } |
| | 41 | |
|
| | 42 | | /// <summary> |
| | 43 | | /// Gets the playing item index. |
| | 44 | | /// </summary> |
| | 45 | | /// <value>The playing item index.</value> |
| | 46 | | public int PlayingItemIndex { get; private set; } |
| | 47 | |
|
| | 48 | | /// <summary> |
| | 49 | | /// Gets the last time the queue has been changed. |
| | 50 | | /// </summary> |
| | 51 | | /// <value>The last time the queue has been changed.</value> |
| | 52 | | public DateTime LastChange { get; private set; } |
| | 53 | |
|
| | 54 | | /// <summary> |
| | 55 | | /// Gets the shuffle mode. |
| | 56 | | /// </summary> |
| | 57 | | /// <value>The shuffle mode.</value> |
| | 58 | | public GroupShuffleMode ShuffleMode { get; private set; } = GroupShuffleMode.Sorted; |
| | 59 | |
|
| | 60 | | /// <summary> |
| | 61 | | /// Gets the repeat mode. |
| | 62 | | /// </summary> |
| | 63 | | /// <value>The repeat mode.</value> |
| | 64 | | public GroupRepeatMode RepeatMode { get; private set; } = GroupRepeatMode.RepeatNone; |
| | 65 | |
|
| | 66 | | /// <summary> |
| | 67 | | /// Checks if an item is playing. |
| | 68 | | /// </summary> |
| | 69 | | /// <returns><c>true</c> if an item is playing; <c>false</c> otherwise.</returns> |
| | 70 | | public bool IsItemPlaying() |
| | 71 | | { |
| 0 | 72 | | return PlayingItemIndex != NoPlayingItemIndex; |
| | 73 | | } |
| | 74 | |
|
| | 75 | | /// <summary> |
| | 76 | | /// Gets the current playlist considering the shuffle mode. |
| | 77 | | /// </summary> |
| | 78 | | /// <returns>The playlist.</returns> |
| | 79 | | public IReadOnlyList<SyncPlayQueueItem> GetPlaylist() |
| | 80 | | { |
| 0 | 81 | | return GetPlaylistInternal(); |
| | 82 | | } |
| | 83 | |
|
| | 84 | | /// <summary> |
| | 85 | | /// Sets a new playlist. Playing item is reset. |
| | 86 | | /// </summary> |
| | 87 | | /// <param name="items">The new items of the playlist.</param> |
| | 88 | | public void SetPlaylist(IReadOnlyList<Guid> items) |
| | 89 | | { |
| 0 | 90 | | _sortedPlaylist.Clear(); |
| 0 | 91 | | _shuffledPlaylist.Clear(); |
| | 92 | |
|
| 0 | 93 | | _sortedPlaylist = CreateQueueItemsFromArray(items); |
| 0 | 94 | | if (ShuffleMode.Equals(GroupShuffleMode.Shuffle)) |
| | 95 | | { |
| 0 | 96 | | _shuffledPlaylist = new List<SyncPlayQueueItem>(_sortedPlaylist); |
| 0 | 97 | | _shuffledPlaylist.Shuffle(); |
| | 98 | | } |
| | 99 | |
|
| 0 | 100 | | PlayingItemIndex = NoPlayingItemIndex; |
| 0 | 101 | | LastChange = DateTime.UtcNow; |
| 0 | 102 | | } |
| | 103 | |
|
| | 104 | | /// <summary> |
| | 105 | | /// Appends new items to the playlist. The specified order is maintained. |
| | 106 | | /// </summary> |
| | 107 | | /// <param name="items">The items to add to the playlist.</param> |
| | 108 | | public void Queue(IReadOnlyList<Guid> items) |
| | 109 | | { |
| 0 | 110 | | var newItems = CreateQueueItemsFromArray(items); |
| | 111 | |
|
| 0 | 112 | | _sortedPlaylist.AddRange(newItems); |
| 0 | 113 | | if (ShuffleMode.Equals(GroupShuffleMode.Shuffle)) |
| | 114 | | { |
| 0 | 115 | | _shuffledPlaylist.AddRange(newItems); |
| | 116 | | } |
| | 117 | |
|
| 0 | 118 | | LastChange = DateTime.UtcNow; |
| 0 | 119 | | } |
| | 120 | |
|
| | 121 | | /// <summary> |
| | 122 | | /// Shuffles the playlist. Shuffle mode is changed. The playlist gets re-shuffled if already shuffled. |
| | 123 | | /// </summary> |
| | 124 | | public void ShufflePlaylist() |
| | 125 | | { |
| 0 | 126 | | if (PlayingItemIndex == NoPlayingItemIndex) |
| | 127 | | { |
| 0 | 128 | | _shuffledPlaylist = new List<SyncPlayQueueItem>(_sortedPlaylist); |
| 0 | 129 | | _shuffledPlaylist.Shuffle(); |
| | 130 | | } |
| 0 | 131 | | else if (ShuffleMode.Equals(GroupShuffleMode.Sorted)) |
| | 132 | | { |
| | 133 | | // First time shuffle. |
| 0 | 134 | | var playingItem = _sortedPlaylist[PlayingItemIndex]; |
| 0 | 135 | | _shuffledPlaylist = new List<SyncPlayQueueItem>(_sortedPlaylist); |
| 0 | 136 | | _shuffledPlaylist.RemoveAt(PlayingItemIndex); |
| 0 | 137 | | _shuffledPlaylist.Shuffle(); |
| 0 | 138 | | _shuffledPlaylist.Insert(0, playingItem); |
| 0 | 139 | | PlayingItemIndex = 0; |
| | 140 | | } |
| | 141 | | else |
| | 142 | | { |
| | 143 | | // Re-shuffle playlist. |
| 0 | 144 | | var playingItem = _shuffledPlaylist[PlayingItemIndex]; |
| 0 | 145 | | _shuffledPlaylist.RemoveAt(PlayingItemIndex); |
| 0 | 146 | | _shuffledPlaylist.Shuffle(); |
| 0 | 147 | | _shuffledPlaylist.Insert(0, playingItem); |
| 0 | 148 | | PlayingItemIndex = 0; |
| | 149 | | } |
| | 150 | |
|
| 0 | 151 | | ShuffleMode = GroupShuffleMode.Shuffle; |
| 0 | 152 | | LastChange = DateTime.UtcNow; |
| 0 | 153 | | } |
| | 154 | |
|
| | 155 | | /// <summary> |
| | 156 | | /// Resets the playlist to sorted mode. Shuffle mode is changed. |
| | 157 | | /// </summary> |
| | 158 | | public void RestoreSortedPlaylist() |
| | 159 | | { |
| 0 | 160 | | if (PlayingItemIndex != NoPlayingItemIndex) |
| | 161 | | { |
| 0 | 162 | | var playingItem = _shuffledPlaylist[PlayingItemIndex]; |
| 0 | 163 | | PlayingItemIndex = _sortedPlaylist.IndexOf(playingItem); |
| | 164 | | } |
| | 165 | |
|
| 0 | 166 | | _shuffledPlaylist.Clear(); |
| | 167 | |
|
| 0 | 168 | | ShuffleMode = GroupShuffleMode.Sorted; |
| 0 | 169 | | LastChange = DateTime.UtcNow; |
| 0 | 170 | | } |
| | 171 | |
|
| | 172 | | /// <summary> |
| | 173 | | /// Clears the playlist. Shuffle mode is preserved. |
| | 174 | | /// </summary> |
| | 175 | | /// <param name="clearPlayingItem">Whether to remove the playing item as well.</param> |
| | 176 | | public void ClearPlaylist(bool clearPlayingItem) |
| | 177 | | { |
| 0 | 178 | | var playingItem = GetPlayingItem(); |
| 0 | 179 | | _sortedPlaylist.Clear(); |
| 0 | 180 | | _shuffledPlaylist.Clear(); |
| 0 | 181 | | LastChange = DateTime.UtcNow; |
| | 182 | |
|
| 0 | 183 | | if (!clearPlayingItem && playingItem is not null) |
| | 184 | | { |
| 0 | 185 | | _sortedPlaylist.Add(playingItem); |
| 0 | 186 | | if (ShuffleMode.Equals(GroupShuffleMode.Shuffle)) |
| | 187 | | { |
| 0 | 188 | | _shuffledPlaylist.Add(playingItem); |
| | 189 | | } |
| | 190 | |
|
| 0 | 191 | | PlayingItemIndex = 0; |
| | 192 | | } |
| | 193 | | else |
| | 194 | | { |
| 0 | 195 | | PlayingItemIndex = NoPlayingItemIndex; |
| | 196 | | } |
| 0 | 197 | | } |
| | 198 | |
|
| | 199 | | /// <summary> |
| | 200 | | /// Adds new items to the playlist right after the playing item. The specified order is maintained. |
| | 201 | | /// </summary> |
| | 202 | | /// <param name="items">The items to add to the playlist.</param> |
| | 203 | | public void QueueNext(IReadOnlyList<Guid> items) |
| | 204 | | { |
| 0 | 205 | | var newItems = CreateQueueItemsFromArray(items); |
| | 206 | |
|
| 0 | 207 | | if (ShuffleMode.Equals(GroupShuffleMode.Shuffle)) |
| | 208 | | { |
| 0 | 209 | | var playingItem = GetPlayingItem(); |
| 0 | 210 | | var sortedPlayingItemIndex = _sortedPlaylist.IndexOf(playingItem); |
| | 211 | | // Append items to sorted and shuffled playlist as they are. |
| 0 | 212 | | _sortedPlaylist.InsertRange(sortedPlayingItemIndex + 1, newItems); |
| 0 | 213 | | _shuffledPlaylist.InsertRange(PlayingItemIndex + 1, newItems); |
| | 214 | | } |
| | 215 | | else |
| | 216 | | { |
| 0 | 217 | | _sortedPlaylist.InsertRange(PlayingItemIndex + 1, newItems); |
| | 218 | | } |
| | 219 | |
|
| 0 | 220 | | LastChange = DateTime.UtcNow; |
| 0 | 221 | | } |
| | 222 | |
|
| | 223 | | /// <summary> |
| | 224 | | /// Gets playlist identifier of the playing item, if any. |
| | 225 | | /// </summary> |
| | 226 | | /// <returns>The playlist identifier of the playing item.</returns> |
| | 227 | | public Guid GetPlayingItemPlaylistId() |
| | 228 | | { |
| 0 | 229 | | var playingItem = GetPlayingItem(); |
| 0 | 230 | | return playingItem?.PlaylistItemId ?? Guid.Empty; |
| | 231 | | } |
| | 232 | |
|
| | 233 | | /// <summary> |
| | 234 | | /// Gets the playing item identifier, if any. |
| | 235 | | /// </summary> |
| | 236 | | /// <returns>The playing item identifier.</returns> |
| | 237 | | public Guid GetPlayingItemId() |
| | 238 | | { |
| 0 | 239 | | var playingItem = GetPlayingItem(); |
| 0 | 240 | | return playingItem?.ItemId ?? Guid.Empty; |
| | 241 | | } |
| | 242 | |
|
| | 243 | | /// <summary> |
| | 244 | | /// Sets the playing item using its identifier. If not in the playlist, the playing item is reset. |
| | 245 | | /// </summary> |
| | 246 | | /// <param name="itemId">The new playing item identifier.</param> |
| | 247 | | public void SetPlayingItemById(Guid itemId) |
| | 248 | | { |
| 0 | 249 | | var playlist = GetPlaylistInternal(); |
| 0 | 250 | | PlayingItemIndex = playlist.FindIndex(item => item.ItemId.Equals(itemId)); |
| 0 | 251 | | LastChange = DateTime.UtcNow; |
| 0 | 252 | | } |
| | 253 | |
|
| | 254 | | /// <summary> |
| | 255 | | /// Sets the playing item using its playlist identifier. If not in the playlist, the playing item is reset. |
| | 256 | | /// </summary> |
| | 257 | | /// <param name="playlistItemId">The new playing item identifier.</param> |
| | 258 | | /// <returns><c>true</c> if playing item has been set; <c>false</c> if item is not in the playlist.</returns> |
| | 259 | | public bool SetPlayingItemByPlaylistId(Guid playlistItemId) |
| | 260 | | { |
| 0 | 261 | | var playlist = GetPlaylistInternal(); |
| 0 | 262 | | PlayingItemIndex = playlist.FindIndex(item => item.PlaylistItemId.Equals(playlistItemId)); |
| 0 | 263 | | LastChange = DateTime.UtcNow; |
| | 264 | |
|
| 0 | 265 | | return PlayingItemIndex != NoPlayingItemIndex; |
| | 266 | | } |
| | 267 | |
|
| | 268 | | /// <summary> |
| | 269 | | /// Sets the playing item using its position. If not in range, the playing item is reset. |
| | 270 | | /// </summary> |
| | 271 | | /// <param name="playlistIndex">The new playing item index.</param> |
| | 272 | | public void SetPlayingItemByIndex(int playlistIndex) |
| | 273 | | { |
| 0 | 274 | | var playlist = GetPlaylistInternal(); |
| 0 | 275 | | if (playlistIndex < 0 || playlistIndex > playlist.Count) |
| | 276 | | { |
| 0 | 277 | | PlayingItemIndex = NoPlayingItemIndex; |
| | 278 | | } |
| | 279 | | else |
| | 280 | | { |
| 0 | 281 | | PlayingItemIndex = playlistIndex; |
| | 282 | | } |
| | 283 | |
|
| 0 | 284 | | LastChange = DateTime.UtcNow; |
| 0 | 285 | | } |
| | 286 | |
|
| | 287 | | /// <summary> |
| | 288 | | /// Removes items from the playlist. If not removed, the playing item is preserved. |
| | 289 | | /// </summary> |
| | 290 | | /// <param name="playlistItemIds">The items to remove.</param> |
| | 291 | | /// <returns><c>true</c> if playing item got removed; <c>false</c> otherwise.</returns> |
| | 292 | | public bool RemoveFromPlaylist(IReadOnlyList<Guid> playlistItemIds) |
| | 293 | | { |
| 0 | 294 | | var playingItem = GetPlayingItem(); |
| | 295 | |
|
| 0 | 296 | | _sortedPlaylist.RemoveAll(item => playlistItemIds.Contains(item.PlaylistItemId)); |
| 0 | 297 | | _shuffledPlaylist.RemoveAll(item => playlistItemIds.Contains(item.PlaylistItemId)); |
| | 298 | |
|
| 0 | 299 | | LastChange = DateTime.UtcNow; |
| | 300 | |
|
| 0 | 301 | | if (playingItem is not null) |
| | 302 | | { |
| 0 | 303 | | if (playlistItemIds.Contains(playingItem.PlaylistItemId)) |
| | 304 | | { |
| | 305 | | // Playing item has been removed, picking previous item. |
| 0 | 306 | | PlayingItemIndex--; |
| 0 | 307 | | if (PlayingItemIndex < 0) |
| | 308 | | { |
| | 309 | | // Was first element, picking next if available. |
| | 310 | | // Default to no playing item otherwise. |
| 0 | 311 | | PlayingItemIndex = _sortedPlaylist.Count > 0 ? 0 : NoPlayingItemIndex; |
| | 312 | | } |
| | 313 | |
|
| 0 | 314 | | return true; |
| | 315 | | } |
| | 316 | |
|
| | 317 | | // Restoring playing item. |
| 0 | 318 | | SetPlayingItemByPlaylistId(playingItem.PlaylistItemId); |
| 0 | 319 | | return false; |
| | 320 | | } |
| | 321 | |
|
| 0 | 322 | | return false; |
| | 323 | | } |
| | 324 | |
|
| | 325 | | /// <summary> |
| | 326 | | /// Moves an item in the playlist to another position. |
| | 327 | | /// </summary> |
| | 328 | | /// <param name="playlistItemId">The item to move.</param> |
| | 329 | | /// <param name="newIndex">The new position.</param> |
| | 330 | | /// <returns><c>true</c> if the item has been moved; <c>false</c> otherwise.</returns> |
| | 331 | | public bool MovePlaylistItem(Guid playlistItemId, int newIndex) |
| | 332 | | { |
| 0 | 333 | | var playlist = GetPlaylistInternal(); |
| 0 | 334 | | var playingItem = GetPlayingItem(); |
| | 335 | |
|
| 0 | 336 | | var oldIndex = playlist.FindIndex(item => item.PlaylistItemId.Equals(playlistItemId)); |
| 0 | 337 | | if (oldIndex < 0) |
| | 338 | | { |
| 0 | 339 | | return false; |
| | 340 | | } |
| | 341 | |
|
| 0 | 342 | | var queueItem = playlist[oldIndex]; |
| 0 | 343 | | playlist.RemoveAt(oldIndex); |
| 0 | 344 | | newIndex = Math.Clamp(newIndex, 0, playlist.Count); |
| 0 | 345 | | playlist.Insert(newIndex, queueItem); |
| | 346 | |
|
| 0 | 347 | | LastChange = DateTime.UtcNow; |
| 0 | 348 | | PlayingItemIndex = playlist.IndexOf(playingItem); |
| 0 | 349 | | return true; |
| | 350 | | } |
| | 351 | |
|
| | 352 | | /// <summary> |
| | 353 | | /// Resets the playlist to its initial state. |
| | 354 | | /// </summary> |
| | 355 | | public void Reset() |
| | 356 | | { |
| 0 | 357 | | _sortedPlaylist.Clear(); |
| 0 | 358 | | _shuffledPlaylist.Clear(); |
| 0 | 359 | | PlayingItemIndex = NoPlayingItemIndex; |
| 0 | 360 | | ShuffleMode = GroupShuffleMode.Sorted; |
| 0 | 361 | | RepeatMode = GroupRepeatMode.RepeatNone; |
| 0 | 362 | | LastChange = DateTime.UtcNow; |
| 0 | 363 | | } |
| | 364 | |
|
| | 365 | | /// <summary> |
| | 366 | | /// Sets the repeat mode. |
| | 367 | | /// </summary> |
| | 368 | | /// <param name="mode">The new mode.</param> |
| | 369 | | public void SetRepeatMode(GroupRepeatMode mode) |
| | 370 | | { |
| 0 | 371 | | RepeatMode = mode; |
| 0 | 372 | | LastChange = DateTime.UtcNow; |
| 0 | 373 | | } |
| | 374 | |
|
| | 375 | | /// <summary> |
| | 376 | | /// Sets the shuffle mode. |
| | 377 | | /// </summary> |
| | 378 | | /// <param name="mode">The new mode.</param> |
| | 379 | | public void SetShuffleMode(GroupShuffleMode mode) |
| | 380 | | { |
| 0 | 381 | | if (mode.Equals(GroupShuffleMode.Shuffle)) |
| | 382 | | { |
| 0 | 383 | | ShufflePlaylist(); |
| | 384 | | } |
| | 385 | | else |
| | 386 | | { |
| 0 | 387 | | RestoreSortedPlaylist(); |
| | 388 | | } |
| 0 | 389 | | } |
| | 390 | |
|
| | 391 | | /// <summary> |
| | 392 | | /// Toggles the shuffle mode between sorted and shuffled. |
| | 393 | | /// </summary> |
| | 394 | | public void ToggleShuffleMode() |
| | 395 | | { |
| 0 | 396 | | if (ShuffleMode.Equals(GroupShuffleMode.Sorted)) |
| | 397 | | { |
| 0 | 398 | | ShufflePlaylist(); |
| | 399 | | } |
| | 400 | | else |
| | 401 | | { |
| 0 | 402 | | RestoreSortedPlaylist(); |
| | 403 | | } |
| 0 | 404 | | } |
| | 405 | |
|
| | 406 | | /// <summary> |
| | 407 | | /// Gets the next item in the playlist considering repeat mode and shuffle mode. |
| | 408 | | /// </summary> |
| | 409 | | /// <returns>The next item in the playlist.</returns> |
| | 410 | | public SyncPlayQueueItem GetNextItemPlaylistId() |
| | 411 | | { |
| | 412 | | int newIndex; |
| 0 | 413 | | var playlist = GetPlaylistInternal(); |
| | 414 | |
|
| 0 | 415 | | switch (RepeatMode) |
| | 416 | | { |
| | 417 | | case GroupRepeatMode.RepeatOne: |
| 0 | 418 | | newIndex = PlayingItemIndex; |
| 0 | 419 | | break; |
| | 420 | | case GroupRepeatMode.RepeatAll: |
| 0 | 421 | | newIndex = PlayingItemIndex + 1; |
| 0 | 422 | | if (newIndex >= playlist.Count) |
| | 423 | | { |
| 0 | 424 | | newIndex = 0; |
| | 425 | | } |
| | 426 | |
|
| 0 | 427 | | break; |
| | 428 | | default: |
| 0 | 429 | | newIndex = PlayingItemIndex + 1; |
| | 430 | | break; |
| | 431 | | } |
| | 432 | |
|
| 0 | 433 | | if (newIndex < 0 || newIndex >= playlist.Count) |
| | 434 | | { |
| 0 | 435 | | return null; |
| | 436 | | } |
| | 437 | |
|
| 0 | 438 | | return playlist[newIndex]; |
| | 439 | | } |
| | 440 | |
|
| | 441 | | /// <summary> |
| | 442 | | /// Sets the next item in the queue as playing item. |
| | 443 | | /// </summary> |
| | 444 | | /// <returns><c>true</c> if the playing item changed; <c>false</c> otherwise.</returns> |
| | 445 | | public bool Next() |
| | 446 | | { |
| 0 | 447 | | if (RepeatMode.Equals(GroupRepeatMode.RepeatOne)) |
| | 448 | | { |
| 0 | 449 | | LastChange = DateTime.UtcNow; |
| 0 | 450 | | return true; |
| | 451 | | } |
| | 452 | |
|
| 0 | 453 | | PlayingItemIndex++; |
| 0 | 454 | | if (PlayingItemIndex >= _sortedPlaylist.Count) |
| | 455 | | { |
| 0 | 456 | | if (RepeatMode.Equals(GroupRepeatMode.RepeatAll)) |
| | 457 | | { |
| 0 | 458 | | PlayingItemIndex = 0; |
| | 459 | | } |
| | 460 | | else |
| | 461 | | { |
| 0 | 462 | | PlayingItemIndex = _sortedPlaylist.Count - 1; |
| 0 | 463 | | return false; |
| | 464 | | } |
| | 465 | | } |
| | 466 | |
|
| 0 | 467 | | LastChange = DateTime.UtcNow; |
| 0 | 468 | | return true; |
| | 469 | | } |
| | 470 | |
|
| | 471 | | /// <summary> |
| | 472 | | /// Sets the previous item in the queue as playing item. |
| | 473 | | /// </summary> |
| | 474 | | /// <returns><c>true</c> if the playing item changed; <c>false</c> otherwise.</returns> |
| | 475 | | public bool Previous() |
| | 476 | | { |
| 0 | 477 | | if (RepeatMode.Equals(GroupRepeatMode.RepeatOne)) |
| | 478 | | { |
| 0 | 479 | | LastChange = DateTime.UtcNow; |
| 0 | 480 | | return true; |
| | 481 | | } |
| | 482 | |
|
| 0 | 483 | | PlayingItemIndex--; |
| 0 | 484 | | if (PlayingItemIndex < 0) |
| | 485 | | { |
| 0 | 486 | | if (RepeatMode.Equals(GroupRepeatMode.RepeatAll)) |
| | 487 | | { |
| 0 | 488 | | PlayingItemIndex = _sortedPlaylist.Count - 1; |
| | 489 | | } |
| | 490 | | else |
| | 491 | | { |
| 0 | 492 | | PlayingItemIndex = 0; |
| 0 | 493 | | return false; |
| | 494 | | } |
| | 495 | | } |
| | 496 | |
|
| 0 | 497 | | LastChange = DateTime.UtcNow; |
| 0 | 498 | | return true; |
| | 499 | | } |
| | 500 | |
|
| | 501 | | /// <summary> |
| | 502 | | /// Creates a list from the array of items. Each item is given an unique playlist identifier. |
| | 503 | | /// </summary> |
| | 504 | | /// <returns>The list of queue items.</returns> |
| | 505 | | private List<SyncPlayQueueItem> CreateQueueItemsFromArray(IReadOnlyList<Guid> items) |
| | 506 | | { |
| 0 | 507 | | var list = new List<SyncPlayQueueItem>(); |
| 0 | 508 | | foreach (var item in items) |
| | 509 | | { |
| 0 | 510 | | var queueItem = new SyncPlayQueueItem(item); |
| 0 | 511 | | list.Add(queueItem); |
| | 512 | | } |
| | 513 | |
|
| 0 | 514 | | return list; |
| | 515 | | } |
| | 516 | |
|
| | 517 | | /// <summary> |
| | 518 | | /// Gets the current playlist considering the shuffle mode. |
| | 519 | | /// </summary> |
| | 520 | | /// <returns>The playlist.</returns> |
| | 521 | | private List<SyncPlayQueueItem> GetPlaylistInternal() |
| | 522 | | { |
| 0 | 523 | | if (ShuffleMode.Equals(GroupShuffleMode.Shuffle)) |
| | 524 | | { |
| 0 | 525 | | return _shuffledPlaylist; |
| | 526 | | } |
| | 527 | |
|
| 0 | 528 | | return _sortedPlaylist; |
| | 529 | | } |
| | 530 | |
|
| | 531 | | /// <summary> |
| | 532 | | /// Gets the current playing item, depending on the shuffle mode. |
| | 533 | | /// </summary> |
| | 534 | | /// <returns>The playing item.</returns> |
| | 535 | | private SyncPlayQueueItem GetPlayingItem() |
| | 536 | | { |
| 0 | 537 | | if (PlayingItemIndex == NoPlayingItemIndex) |
| | 538 | | { |
| 0 | 539 | | return null; |
| | 540 | | } |
| | 541 | |
|
| 0 | 542 | | if (ShuffleMode.Equals(GroupShuffleMode.Shuffle)) |
| | 543 | | { |
| 0 | 544 | | return _shuffledPlaylist[PlayingItemIndex]; |
| | 545 | | } |
| | 546 | |
|
| 0 | 547 | | return _sortedPlaylist[PlayingItemIndex]; |
| | 548 | | } |
| | 549 | | } |
| | 550 | | } |