Add more channel features

MediaBrowser.Server.Implementations/Channels/RefreshChannelsScheduledTask.cs

@@ -0,0 +1,63 @@
+using MediaBrowser.Common.ScheduledTasks;
+using MediaBrowser.Controller.Channels;
+using MediaBrowser.Model.Tasks;
+using System;
+using System.Collections.Generic;
+using System.Threading.Tasks;
+
+namespace MediaBrowser.Server.Implementations.Channels
+{
+    class RefreshChannelsScheduledTask : IScheduledTask, IConfigurableScheduledTask
+    {
+        private readonly IChannelManager _manager;
+
+        public RefreshChannelsScheduledTask(IChannelManager manager)
+        {
+            _manager = manager;
+        }
+
+        public string Name
+        {
+            get { return "Refresh Channels"; }
+        }
+
+        public string Description
+        {
+            get { return "Refreshes internet channel information."; }
+        }
+
+        public string Category
+        {
+            get { return "Channels"; }
+        }
+
+        public Task Execute(System.Threading.CancellationToken cancellationToken, IProgress<double> progress)
+        {
+            var manager = (ChannelManager)_manager;
+
+            return manager.RefreshChannels(progress, cancellationToken);
+        }
+
+        public IEnumerable<ITaskTrigger> GetDefaultTriggers()
+        {
+            return new ITaskTrigger[] 
+            { 
+                new StartupTrigger(),
+
+                new SystemEventTrigger{ SystemEvent = SystemEvent.WakeFromSleep},
+
+                new IntervalTrigger{ Interval = TimeSpan.FromHours(24)}
+            };
+        }
+
+        public bool IsHidden
+        {
+            get { return true; }
+        }
+
+        public bool IsEnabled
+        {
+            get { return true; }
+        }
+    }
+}