Add GPL modules

MediaBrowser.Model/Tasks/ITaskTrigger.cs

@@ -0,0 +1,32 @@
+using System;
+using MediaBrowser.Model.Events;
+using MediaBrowser.Model.Logging;
+
+namespace MediaBrowser.Model.Tasks
+{
+    /// <summary>
+    /// Interface ITaskTrigger
+    /// </summary>
+    public interface ITaskTrigger
+    {
+        /// <summary>
+        /// Fires when the trigger condition is satisfied and the task should run
+        /// </summary>
+        event EventHandler<EventArgs> Triggered;
+
+        /// <summary>
+        /// Gets or sets the options of this task.
+        /// </summary>
+        TaskOptions TaskOptions { get; set; }
+
+        /// <summary>
+        /// Stars waiting for the trigger action
+        /// </summary>
+        void Start(TaskResult lastResult, ILogger logger, string taskName, bool isApplicationStartup);
+
+        /// <summary>
+        /// Stops waiting for the trigger action
+        /// </summary>
+        void Stop();
+    }
+}