Add GPL modules

MediaBrowser.Model/Tasks/ITaskManager.cs

@@ -0,0 +1,78 @@
+using System;
+using System.Collections.Generic;
+using System.Threading.Tasks;
+using MediaBrowser.Model.Events;
+
+namespace MediaBrowser.Model.Tasks
+{
+    public interface ITaskManager : IDisposable
+    {
+        /// <summary>
+        /// Gets the list of Scheduled Tasks
+        /// </summary>
+        /// <value>The scheduled tasks.</value>
+        IScheduledTaskWorker[] ScheduledTasks { get; }
+
+        /// <summary>
+        /// Cancels if running and queue.
+        /// </summary>
+        /// <typeparam name="T"></typeparam>
+        /// <param name="options">Task options.</param>
+        void CancelIfRunningAndQueue<T>(TaskOptions options)
+            where T : IScheduledTask;
+
+        /// <summary>
+        /// Cancels if running and queue.
+        /// </summary>
+        /// <typeparam name="T"></typeparam>
+        void CancelIfRunningAndQueue<T>()
+            where T : IScheduledTask;
+
+        /// <summary>
+        /// Cancels if running.
+        /// </summary>
+        /// <typeparam name="T"></typeparam>
+        void CancelIfRunning<T>()
+            where T : IScheduledTask;
+
+        /// <summary>
+        /// Queues the scheduled task.
+        /// </summary>
+        /// <typeparam name="T"></typeparam>
+        /// <param name="options">Task options.</param>
+        void QueueScheduledTask<T>(TaskOptions options)
+            where T : IScheduledTask;
+
+        /// <summary>
+        /// Queues the scheduled task.
+        /// </summary>
+        /// <typeparam name="T"></typeparam>
+        void QueueScheduledTask<T>()
+            where T : IScheduledTask;
+
+        void QueueIfNotRunning<T>()
+            where T : IScheduledTask;
+        
+        /// <summary>
+        /// Queues the scheduled task.
+        /// </summary>
+        void QueueScheduledTask(IScheduledTask task, TaskOptions options);
+
+        /// <summary>
+        /// Adds the tasks.
+        /// </summary>
+        /// <param name="tasks">The tasks.</param>
+        void AddTasks(IEnumerable<IScheduledTask> tasks);
+
+        void Cancel(IScheduledTaskWorker task);
+        Task Execute(IScheduledTaskWorker task, TaskOptions options);
+
+        void Execute<T>()
+            where T : IScheduledTask;
+        
+        event EventHandler<GenericEventArgs<IScheduledTaskWorker>> TaskExecuting;
+        event EventHandler<TaskCompletionEventArgs> TaskCompleted;
+
+        void RunTaskOnNextStartup(string key);
+    }
+}