| | 1 | | #nullable disable |
| | 2 | |
|
| | 3 | | using System.Threading; |
| | 4 | | using MediaBrowser.Controller.Session; |
| | 5 | | using MediaBrowser.Controller.SyncPlay.PlaybackRequests; |
| | 6 | | using MediaBrowser.Model.SyncPlay; |
| | 7 | | using Microsoft.Extensions.Logging; |
| | 8 | |
|
| | 9 | | namespace MediaBrowser.Controller.SyncPlay.GroupStates |
| | 10 | | { |
| | 11 | | /// <summary> |
| | 12 | | /// Class AbstractGroupState. |
| | 13 | | /// </summary> |
| | 14 | | /// <remarks> |
| | 15 | | /// Class is not thread-safe, external locking is required when accessing methods. |
| | 16 | | /// </remarks> |
| | 17 | | public abstract class AbstractGroupState : IGroupState |
| | 18 | | { |
| | 19 | | /// <summary> |
| | 20 | | /// The logger. |
| | 21 | | /// </summary> |
| | 22 | | private readonly ILogger<AbstractGroupState> _logger; |
| | 23 | |
|
| | 24 | | /// <summary> |
| | 25 | | /// Initializes a new instance of the <see cref="AbstractGroupState"/> class. |
| | 26 | | /// </summary> |
| | 27 | | /// <param name="loggerFactory">Instance of the <see cref="ILoggerFactory"/> interface.</param> |
| | 28 | | protected AbstractGroupState(ILoggerFactory loggerFactory) |
| | 29 | | { |
| | 30 | | LoggerFactory = loggerFactory; |
| 0 | 31 | | _logger = loggerFactory.CreateLogger<AbstractGroupState>(); |
| 0 | 32 | | } |
| | 33 | |
|
| | 34 | | /// <inheritdoc /> |
| | 35 | | public abstract GroupStateType Type { get; } |
| | 36 | |
|
| | 37 | | /// <summary> |
| | 38 | | /// Gets the logger factory. |
| | 39 | | /// </summary> |
| | 40 | | protected ILoggerFactory LoggerFactory { get; } |
| | 41 | |
|
| | 42 | | /// <inheritdoc /> |
| | 43 | | public abstract void SessionJoined(IGroupStateContext context, GroupStateType prevState, SessionInfo session, Ca |
| | 44 | |
|
| | 45 | | /// <inheritdoc /> |
| | 46 | | public abstract void SessionLeaving(IGroupStateContext context, GroupStateType prevState, SessionInfo session, C |
| | 47 | |
|
| | 48 | | /// <inheritdoc /> |
| | 49 | | public virtual void HandleRequest(IGroupPlaybackRequest request, IGroupStateContext context, GroupStateType prev |
| | 50 | | { |
| 0 | 51 | | UnhandledRequest(request); |
| 0 | 52 | | } |
| | 53 | |
|
| | 54 | | /// <inheritdoc /> |
| | 55 | | public virtual void HandleRequest(PlayGroupRequest request, IGroupStateContext context, GroupStateType prevState |
| | 56 | | { |
| 0 | 57 | | UnhandledRequest(request); |
| 0 | 58 | | } |
| | 59 | |
|
| | 60 | | /// <inheritdoc /> |
| | 61 | | public virtual void HandleRequest(SetPlaylistItemGroupRequest request, IGroupStateContext context, GroupStateTyp |
| | 62 | | { |
| 0 | 63 | | var waitingState = new WaitingGroupState(LoggerFactory); |
| 0 | 64 | | context.SetState(waitingState); |
| 0 | 65 | | waitingState.HandleRequest(request, context, Type, session, cancellationToken); |
| 0 | 66 | | } |
| | 67 | |
|
| | 68 | | /// <inheritdoc /> |
| | 69 | | public virtual void HandleRequest(RemoveFromPlaylistGroupRequest request, IGroupStateContext context, GroupState |
| | 70 | | { |
| | 71 | | bool playingItemRemoved; |
| 0 | 72 | | if (request.ClearPlaylist) |
| | 73 | | { |
| 0 | 74 | | context.ClearPlayQueue(request.ClearPlayingItem); |
| 0 | 75 | | playingItemRemoved = request.ClearPlayingItem; |
| | 76 | | } |
| | 77 | | else |
| | 78 | | { |
| 0 | 79 | | playingItemRemoved = context.RemoveFromPlayQueue(request.PlaylistItemIds); |
| | 80 | | } |
| | 81 | |
|
| 0 | 82 | | var playQueueUpdate = context.GetPlayQueueUpdate(PlayQueueUpdateReason.RemoveItems); |
| 0 | 83 | | var update = new SyncPlayPlayQueueUpdate(context.GroupId, playQueueUpdate); |
| 0 | 84 | | context.SendGroupUpdate(session, SyncPlayBroadcastType.AllGroup, update, cancellationToken); |
| | 85 | |
|
| 0 | 86 | | if (playingItemRemoved && !context.PlayQueue.IsItemPlaying()) |
| | 87 | | { |
| 0 | 88 | | _logger.LogDebug("Play queue in group {GroupId} is now empty.", context.GroupId.ToString()); |
| | 89 | |
|
| 0 | 90 | | IGroupState idleState = new IdleGroupState(LoggerFactory); |
| 0 | 91 | | context.SetState(idleState); |
| 0 | 92 | | var stopRequest = new StopGroupRequest(); |
| 0 | 93 | | idleState.HandleRequest(stopRequest, context, Type, session, cancellationToken); |
| | 94 | | } |
| 0 | 95 | | } |
| | 96 | |
|
| | 97 | | /// <inheritdoc /> |
| | 98 | | public virtual void HandleRequest(MovePlaylistItemGroupRequest request, IGroupStateContext context, GroupStateTy |
| | 99 | | { |
| 0 | 100 | | var result = context.MoveItemInPlayQueue(request.PlaylistItemId, request.NewIndex); |
| | 101 | |
|
| 0 | 102 | | if (!result) |
| | 103 | | { |
| 0 | 104 | | _logger.LogError("Unable to move item in group {GroupId}.", context.GroupId.ToString()); |
| 0 | 105 | | return; |
| | 106 | | } |
| | 107 | |
|
| 0 | 108 | | var playQueueUpdate = context.GetPlayQueueUpdate(PlayQueueUpdateReason.MoveItem); |
| 0 | 109 | | var update = new SyncPlayPlayQueueUpdate(context.GroupId, playQueueUpdate); |
| 0 | 110 | | context.SendGroupUpdate(session, SyncPlayBroadcastType.AllGroup, update, cancellationToken); |
| 0 | 111 | | } |
| | 112 | |
|
| | 113 | | /// <inheritdoc /> |
| | 114 | | public virtual void HandleRequest(QueueGroupRequest request, IGroupStateContext context, GroupStateType prevStat |
| | 115 | | { |
| 0 | 116 | | var result = context.AddToPlayQueue(request.ItemIds, request.Mode); |
| | 117 | |
|
| 0 | 118 | | if (!result) |
| | 119 | | { |
| 0 | 120 | | _logger.LogError("Unable to add items to play queue in group {GroupId}.", context.GroupId.ToString()); |
| 0 | 121 | | return; |
| | 122 | | } |
| | 123 | |
|
| 0 | 124 | | var reason = request.Mode switch |
| 0 | 125 | | { |
| 0 | 126 | | GroupQueueMode.QueueNext => PlayQueueUpdateReason.QueueNext, |
| 0 | 127 | | _ => PlayQueueUpdateReason.Queue |
| 0 | 128 | | }; |
| 0 | 129 | | var playQueueUpdate = context.GetPlayQueueUpdate(reason); |
| 0 | 130 | | var update = new SyncPlayPlayQueueUpdate(context.GroupId, playQueueUpdate); |
| 0 | 131 | | context.SendGroupUpdate(session, SyncPlayBroadcastType.AllGroup, update, cancellationToken); |
| 0 | 132 | | } |
| | 133 | |
|
| | 134 | | /// <inheritdoc /> |
| | 135 | | public virtual void HandleRequest(UnpauseGroupRequest request, IGroupStateContext context, GroupStateType prevSt |
| | 136 | | { |
| 0 | 137 | | UnhandledRequest(request); |
| 0 | 138 | | } |
| | 139 | |
|
| | 140 | | /// <inheritdoc /> |
| | 141 | | public virtual void HandleRequest(PauseGroupRequest request, IGroupStateContext context, GroupStateType prevStat |
| | 142 | | { |
| 0 | 143 | | UnhandledRequest(request); |
| 0 | 144 | | } |
| | 145 | |
|
| | 146 | | /// <inheritdoc /> |
| | 147 | | public virtual void HandleRequest(StopGroupRequest request, IGroupStateContext context, GroupStateType prevState |
| | 148 | | { |
| 0 | 149 | | UnhandledRequest(request); |
| 0 | 150 | | } |
| | 151 | |
|
| | 152 | | /// <inheritdoc /> |
| | 153 | | public virtual void HandleRequest(SeekGroupRequest request, IGroupStateContext context, GroupStateType prevState |
| | 154 | | { |
| 0 | 155 | | UnhandledRequest(request); |
| 0 | 156 | | } |
| | 157 | |
|
| | 158 | | /// <inheritdoc /> |
| | 159 | | public virtual void HandleRequest(BufferGroupRequest request, IGroupStateContext context, GroupStateType prevSta |
| | 160 | | { |
| 0 | 161 | | UnhandledRequest(request); |
| 0 | 162 | | } |
| | 163 | |
|
| | 164 | | /// <inheritdoc /> |
| | 165 | | public virtual void HandleRequest(ReadyGroupRequest request, IGroupStateContext context, GroupStateType prevStat |
| | 166 | | { |
| 0 | 167 | | UnhandledRequest(request); |
| 0 | 168 | | } |
| | 169 | |
|
| | 170 | | /// <inheritdoc /> |
| | 171 | | public virtual void HandleRequest(NextItemGroupRequest request, IGroupStateContext context, GroupStateType prevS |
| | 172 | | { |
| 0 | 173 | | UnhandledRequest(request); |
| 0 | 174 | | } |
| | 175 | |
|
| | 176 | | /// <inheritdoc /> |
| | 177 | | public virtual void HandleRequest(PreviousItemGroupRequest request, IGroupStateContext context, GroupStateType p |
| | 178 | | { |
| 0 | 179 | | UnhandledRequest(request); |
| 0 | 180 | | } |
| | 181 | |
|
| | 182 | | /// <inheritdoc /> |
| | 183 | | public virtual void HandleRequest(SetRepeatModeGroupRequest request, IGroupStateContext context, GroupStateType |
| | 184 | | { |
| 0 | 185 | | context.SetRepeatMode(request.Mode); |
| 0 | 186 | | var playQueueUpdate = context.GetPlayQueueUpdate(PlayQueueUpdateReason.RepeatMode); |
| 0 | 187 | | var update = new SyncPlayPlayQueueUpdate(context.GroupId, playQueueUpdate); |
| 0 | 188 | | context.SendGroupUpdate(session, SyncPlayBroadcastType.AllGroup, update, cancellationToken); |
| 0 | 189 | | } |
| | 190 | |
|
| | 191 | | /// <inheritdoc /> |
| | 192 | | public virtual void HandleRequest(SetShuffleModeGroupRequest request, IGroupStateContext context, GroupStateType |
| | 193 | | { |
| 0 | 194 | | context.SetShuffleMode(request.Mode); |
| 0 | 195 | | var playQueueUpdate = context.GetPlayQueueUpdate(PlayQueueUpdateReason.ShuffleMode); |
| 0 | 196 | | var update = new SyncPlayPlayQueueUpdate(context.GroupId, playQueueUpdate); |
| 0 | 197 | | context.SendGroupUpdate(session, SyncPlayBroadcastType.AllGroup, update, cancellationToken); |
| 0 | 198 | | } |
| | 199 | |
|
| | 200 | | /// <inheritdoc /> |
| | 201 | | public virtual void HandleRequest(PingGroupRequest request, IGroupStateContext context, GroupStateType prevState |
| | 202 | | { |
| | 203 | | // Collected pings are used to account for network latency when unpausing playback. |
| 0 | 204 | | context.UpdatePing(session, request.Ping); |
| 0 | 205 | | } |
| | 206 | |
|
| | 207 | | /// <inheritdoc /> |
| | 208 | | public virtual void HandleRequest(IgnoreWaitGroupRequest request, IGroupStateContext context, GroupStateType pre |
| | 209 | | { |
| 0 | 210 | | context.SetIgnoreGroupWait(session, request.IgnoreWait); |
| 0 | 211 | | } |
| | 212 | |
|
| | 213 | | /// <summary> |
| | 214 | | /// Sends a group state update to all group. |
| | 215 | | /// </summary> |
| | 216 | | /// <param name="context">The context of the state.</param> |
| | 217 | | /// <param name="reason">The reason of the state change.</param> |
| | 218 | | /// <param name="session">The session.</param> |
| | 219 | | /// <param name="cancellationToken">The cancellation token.</param> |
| | 220 | | protected void SendGroupStateUpdate(IGroupStateContext context, IGroupPlaybackRequest reason, SessionInfo sessio |
| | 221 | | { |
| | 222 | | // Notify relevant state change event. |
| 0 | 223 | | var stateUpdate = new GroupStateUpdate(Type, reason.Action); |
| 0 | 224 | | var update = new SyncPlayStateUpdate(context.GroupId, stateUpdate); |
| 0 | 225 | | context.SendGroupUpdate(session, SyncPlayBroadcastType.AllGroup, update, cancellationToken); |
| 0 | 226 | | } |
| | 227 | |
|
| | 228 | | private void UnhandledRequest(IGroupPlaybackRequest request) |
| | 229 | | { |
| 0 | 230 | | _logger.LogWarning("Unhandled request of type {RequestType} in {StateType} state.", request.Action, Type); |
| 0 | 231 | | } |
| | 232 | | } |
| | 233 | | } |