1 files changed, 116 insertions, 0 deletions
diff --git a/MediaBrowser.Api/Session/SessionInfoWebSocketListener.cs b/MediaBrowser.Api/Session/SessionInfoWebSocketListener.cs
new file mode 100644
index 000000000..e6b525e53
--- /dev/null
+++ b/MediaBrowser.Api/Session/SessionInfoWebSocketListener.cs
@@ -0,0 +1,116 @@
+using MediaBrowser.Common.Net;
+using MediaBrowser.Controller.Library;
+using MediaBrowser.Controller.Session;
+using MediaBrowser.Model.Logging;
+using MediaBrowser.Model.Session;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+
+namespace MediaBrowser.Api.Session
+{
+    /// <summary>
+    /// Class SessionInfoWebSocketListener
+    /// </summary>
+    class SessionInfoWebSocketListener : BasePeriodicWebSocketListener<IEnumerable<SessionInfoDto>, WebSocketListenerState>
+    {
+        /// <summary>
+        /// Gets the name.
+        /// </summary>
+        /// <value>The name.</value>
+        protected override string Name
+        {
+            get { return "Sessions"; }
+        }
+
+        /// <summary>
+        /// The _kernel
+        /// </summary>
+        private readonly ISessionManager _sessionManager;
+
+        /// <summary>
+        /// Initializes a new instance of the <see cref="SessionInfoWebSocketListener"/> class.
+        /// </summary>
+        /// <param name="logger">The logger.</param>
+        /// <param name="sessionManager">The session manager.</param>
+        public SessionInfoWebSocketListener(ILogger logger, ISessionManager sessionManager)
+            : base(logger)
+        {
+            _sessionManager = sessionManager;
+
+            _sessionManager.SessionStarted += _sessionManager_SessionStarted;
+            _sessionManager.SessionEnded += _sessionManager_SessionEnded;
+            _sessionManager.PlaybackStart += _sessionManager_PlaybackStart;
+            _sessionManager.PlaybackStopped += _sessionManager_PlaybackStopped;
+            _sessionManager.PlaybackProgress += _sessionManager_PlaybackProgress;
+            _sessionManager.CapabilitiesChanged += _sessionManager_CapabilitiesChanged;
+            _sessionManager.SessionActivity += _sessionManager_SessionActivity;
+        }
+
+        void _sessionManager_SessionActivity(object sender, SessionEventArgs e)
+        {
+            SendData(false);
+        }
+
+        void _sessionManager_CapabilitiesChanged(object sender, SessionEventArgs e)
+        {
+            SendData(true);
+        }
+
+        void _sessionManager_PlaybackProgress(object sender, PlaybackProgressEventArgs e)
+        {
+            SendData(false);
+        }
+
+        void _sessionManager_PlaybackStopped(object sender, PlaybackStopEventArgs e)
+        {
+            SendData(true);
+        }
+
+        void _sessionManager_PlaybackStart(object sender, PlaybackProgressEventArgs e)
+        {
+            SendData(true);
+        }
+
+        void _sessionManager_SessionEnded(object sender, SessionEventArgs e)
+        {
+            SendData(true);
+        }
+
+        void _sessionManager_SessionStarted(object sender, SessionEventArgs e)
+        {
+            SendData(true);
+        }
+
+        /// <summary>
+        /// Gets the data to send.
+        /// </summary>
+        /// <param name="state">The state.</param>
+        /// <returns>Task{SystemInfo}.</returns>
+        protected override Task<IEnumerable<SessionInfoDto>> GetDataToSend(WebSocketListenerState state)
+        {
+            return Task.FromResult(_sessionManager.Sessions.Where(i => i.IsActive).Select(_sessionManager.GetSessionInfoDto));
+        }
+
+        protected override bool SendOnTimer
+        {
+            get
+            {
+                return false;
+            }
+        }
+
+        protected override void Dispose(bool dispose)
+        {
+            _sessionManager.SessionStarted -= _sessionManager_SessionStarted;
+            _sessionManager.SessionEnded -= _sessionManager_SessionEnded;
+            _sessionManager.PlaybackStart -= _sessionManager_PlaybackStart;
+            _sessionManager.PlaybackStopped -= _sessionManager_PlaybackStopped;
+            _sessionManager.PlaybackProgress -= _sessionManager_PlaybackProgress;
+            _sessionManager.CapabilitiesChanged -= _sessionManager_CapabilitiesChanged;
+            _sessionManager.SessionActivity -= _sessionManager_SessionActivity;
+
+            base.Dispose(dispose);
+        }
+    }
+}