repo creation with initial code after cloning public repo
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#nullable disable
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using System.Threading;
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using MediaBrowser.Controller.Session;
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using MediaBrowser.Controller.SyncPlay.PlaybackRequests;
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using MediaBrowser.Model.SyncPlay;
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using Microsoft.Extensions.Logging;
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namespace MediaBrowser.Controller.SyncPlay.GroupStates
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{
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/// <summary>
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/// Class AbstractGroupState.
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/// </summary>
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/// <remarks>
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/// Class is not thread-safe, external locking is required when accessing methods.
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/// </remarks>
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public abstract class AbstractGroupState : IGroupState
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{
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/// <summary>
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/// The logger.
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/// </summary>
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private readonly ILogger<AbstractGroupState> _logger;
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/// <summary>
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/// Initializes a new instance of the <see cref="AbstractGroupState"/> class.
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/// </summary>
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/// <param name="loggerFactory">Instance of the <see cref="ILoggerFactory"/> interface.</param>
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protected AbstractGroupState(ILoggerFactory loggerFactory)
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{
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LoggerFactory = loggerFactory;
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_logger = loggerFactory.CreateLogger<AbstractGroupState>();
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}
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/// <inheritdoc />
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public abstract GroupStateType Type { get; }
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/// <summary>
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/// Gets the logger factory.
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/// </summary>
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protected ILoggerFactory LoggerFactory { get; }
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/// <inheritdoc />
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public abstract void SessionJoined(IGroupStateContext context, GroupStateType prevState, SessionInfo session, CancellationToken cancellationToken);
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/// <inheritdoc />
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public abstract void SessionLeaving(IGroupStateContext context, GroupStateType prevState, SessionInfo session, CancellationToken cancellationToken);
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/// <inheritdoc />
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public virtual void HandleRequest(IGroupPlaybackRequest request, IGroupStateContext context, GroupStateType prevState, SessionInfo session, CancellationToken cancellationToken)
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{
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UnhandledRequest(request);
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}
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/// <inheritdoc />
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public virtual void HandleRequest(PlayGroupRequest request, IGroupStateContext context, GroupStateType prevState, SessionInfo session, CancellationToken cancellationToken)
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{
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UnhandledRequest(request);
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}
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/// <inheritdoc />
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public virtual void HandleRequest(SetPlaylistItemGroupRequest request, IGroupStateContext context, GroupStateType prevState, SessionInfo session, CancellationToken cancellationToken)
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{
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var waitingState = new WaitingGroupState(LoggerFactory);
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context.SetState(waitingState);
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waitingState.HandleRequest(request, context, Type, session, cancellationToken);
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}
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/// <inheritdoc />
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public virtual void HandleRequest(RemoveFromPlaylistGroupRequest request, IGroupStateContext context, GroupStateType prevState, SessionInfo session, CancellationToken cancellationToken)
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{
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bool playingItemRemoved;
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if (request.ClearPlaylist)
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{
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context.ClearPlayQueue(request.ClearPlayingItem);
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playingItemRemoved = request.ClearPlayingItem;
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}
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else
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{
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playingItemRemoved = context.RemoveFromPlayQueue(request.PlaylistItemIds);
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}
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var playQueueUpdate = context.GetPlayQueueUpdate(PlayQueueUpdateReason.RemoveItems);
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var update = new SyncPlayPlayQueueUpdate(context.GroupId, playQueueUpdate);
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context.SendGroupUpdate(session, SyncPlayBroadcastType.AllGroup, update, cancellationToken);
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if (playingItemRemoved && !context.PlayQueue.IsItemPlaying())
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{
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_logger.LogDebug("Play queue in group {GroupId} is now empty.", context.GroupId.ToString());
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IGroupState idleState = new IdleGroupState(LoggerFactory);
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context.SetState(idleState);
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var stopRequest = new StopGroupRequest();
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idleState.HandleRequest(stopRequest, context, Type, session, cancellationToken);
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}
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}
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/// <inheritdoc />
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public virtual void HandleRequest(MovePlaylistItemGroupRequest request, IGroupStateContext context, GroupStateType prevState, SessionInfo session, CancellationToken cancellationToken)
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{
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var result = context.MoveItemInPlayQueue(request.PlaylistItemId, request.NewIndex);
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if (!result)
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{
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_logger.LogError("Unable to move item in group {GroupId}.", context.GroupId.ToString());
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return;
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}
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var playQueueUpdate = context.GetPlayQueueUpdate(PlayQueueUpdateReason.MoveItem);
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var update = new SyncPlayPlayQueueUpdate(context.GroupId, playQueueUpdate);
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context.SendGroupUpdate(session, SyncPlayBroadcastType.AllGroup, update, cancellationToken);
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}
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/// <inheritdoc />
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public virtual void HandleRequest(QueueGroupRequest request, IGroupStateContext context, GroupStateType prevState, SessionInfo session, CancellationToken cancellationToken)
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{
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var result = context.AddToPlayQueue(request.ItemIds, request.Mode);
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if (!result)
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{
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_logger.LogError("Unable to add items to play queue in group {GroupId}.", context.GroupId.ToString());
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return;
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}
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var reason = request.Mode switch
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{
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GroupQueueMode.QueueNext => PlayQueueUpdateReason.QueueNext,
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_ => PlayQueueUpdateReason.Queue
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};
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var playQueueUpdate = context.GetPlayQueueUpdate(reason);
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var update = new SyncPlayPlayQueueUpdate(context.GroupId, playQueueUpdate);
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context.SendGroupUpdate(session, SyncPlayBroadcastType.AllGroup, update, cancellationToken);
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}
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/// <inheritdoc />
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public virtual void HandleRequest(UnpauseGroupRequest request, IGroupStateContext context, GroupStateType prevState, SessionInfo session, CancellationToken cancellationToken)
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{
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UnhandledRequest(request);
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}
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/// <inheritdoc />
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public virtual void HandleRequest(PauseGroupRequest request, IGroupStateContext context, GroupStateType prevState, SessionInfo session, CancellationToken cancellationToken)
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{
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UnhandledRequest(request);
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}
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/// <inheritdoc />
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public virtual void HandleRequest(StopGroupRequest request, IGroupStateContext context, GroupStateType prevState, SessionInfo session, CancellationToken cancellationToken)
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{
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UnhandledRequest(request);
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}
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/// <inheritdoc />
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public virtual void HandleRequest(SeekGroupRequest request, IGroupStateContext context, GroupStateType prevState, SessionInfo session, CancellationToken cancellationToken)
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{
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UnhandledRequest(request);
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}
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/// <inheritdoc />
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public virtual void HandleRequest(BufferGroupRequest request, IGroupStateContext context, GroupStateType prevState, SessionInfo session, CancellationToken cancellationToken)
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{
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UnhandledRequest(request);
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}
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/// <inheritdoc />
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public virtual void HandleRequest(ReadyGroupRequest request, IGroupStateContext context, GroupStateType prevState, SessionInfo session, CancellationToken cancellationToken)
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{
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UnhandledRequest(request);
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}
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/// <inheritdoc />
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public virtual void HandleRequest(NextItemGroupRequest request, IGroupStateContext context, GroupStateType prevState, SessionInfo session, CancellationToken cancellationToken)
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{
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UnhandledRequest(request);
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}
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/// <inheritdoc />
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public virtual void HandleRequest(PreviousItemGroupRequest request, IGroupStateContext context, GroupStateType prevState, SessionInfo session, CancellationToken cancellationToken)
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{
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UnhandledRequest(request);
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}
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/// <inheritdoc />
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public virtual void HandleRequest(SetRepeatModeGroupRequest request, IGroupStateContext context, GroupStateType prevState, SessionInfo session, CancellationToken cancellationToken)
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{
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context.SetRepeatMode(request.Mode);
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var playQueueUpdate = context.GetPlayQueueUpdate(PlayQueueUpdateReason.RepeatMode);
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var update = new SyncPlayPlayQueueUpdate(context.GroupId, playQueueUpdate);
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context.SendGroupUpdate(session, SyncPlayBroadcastType.AllGroup, update, cancellationToken);
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}
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/// <inheritdoc />
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public virtual void HandleRequest(SetShuffleModeGroupRequest request, IGroupStateContext context, GroupStateType prevState, SessionInfo session, CancellationToken cancellationToken)
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{
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context.SetShuffleMode(request.Mode);
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var playQueueUpdate = context.GetPlayQueueUpdate(PlayQueueUpdateReason.ShuffleMode);
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var update = new SyncPlayPlayQueueUpdate(context.GroupId, playQueueUpdate);
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context.SendGroupUpdate(session, SyncPlayBroadcastType.AllGroup, update, cancellationToken);
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}
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/// <inheritdoc />
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public virtual void HandleRequest(PingGroupRequest request, IGroupStateContext context, GroupStateType prevState, SessionInfo session, CancellationToken cancellationToken)
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{
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// Collected pings are used to account for network latency when unpausing playback.
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context.UpdatePing(session, request.Ping);
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}
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/// <inheritdoc />
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public virtual void HandleRequest(IgnoreWaitGroupRequest request, IGroupStateContext context, GroupStateType prevState, SessionInfo session, CancellationToken cancellationToken)
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{
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context.SetIgnoreGroupWait(session, request.IgnoreWait);
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}
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/// <summary>
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/// Sends a group state update to all group.
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/// </summary>
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/// <param name="context">The context of the state.</param>
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/// <param name="reason">The reason of the state change.</param>
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/// <param name="session">The session.</param>
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/// <param name="cancellationToken">The cancellation token.</param>
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protected void SendGroupStateUpdate(IGroupStateContext context, IGroupPlaybackRequest reason, SessionInfo session, CancellationToken cancellationToken)
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{
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// Notify relevant state change event.
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var stateUpdate = new GroupStateUpdate(Type, reason.Action);
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var update = new SyncPlayStateUpdate(context.GroupId, stateUpdate);
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context.SendGroupUpdate(session, SyncPlayBroadcastType.AllGroup, update, cancellationToken);
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}
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private void UnhandledRequest(IGroupPlaybackRequest request)
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{
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_logger.LogWarning("Unhandled request of type {RequestType} in {StateType} state.", request.Action, Type);
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}
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}
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}
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