From bfcd1b520fd79b893e721ba916ae5e1656407d2f Mon Sep 17 00:00:00 2001
From: Luke Pulverenti <luke.pulverenti@gmail.com>
Date: Wed, 16 Aug 2017 02:43:41 -0400
Subject: merge common implementations and server implementations

---
 .../ScheduledTasks/SystemEventTrigger.cs           | 86 ++++++++++++++++++++++
 1 file changed, 86 insertions(+)
 create mode 100644 Emby.Server.Implementations/ScheduledTasks/SystemEventTrigger.cs

(limited to 'Emby.Server.Implementations/ScheduledTasks/SystemEventTrigger.cs')

diff --git a/Emby.Server.Implementations/ScheduledTasks/SystemEventTrigger.cs b/Emby.Server.Implementations/ScheduledTasks/SystemEventTrigger.cs
new file mode 100644
index 000000000..976754a40
--- /dev/null
+++ b/Emby.Server.Implementations/ScheduledTasks/SystemEventTrigger.cs
@@ -0,0 +1,86 @@
+using System;
+using System.Threading.Tasks;
+using MediaBrowser.Model.Events;
+using MediaBrowser.Model.Logging;
+using MediaBrowser.Model.System;
+using MediaBrowser.Model.Tasks;
+
+namespace Emby.Server.Implementations.ScheduledTasks
+{
+    /// <summary>
+    /// Class SystemEventTrigger
+    /// </summary>
+    public class SystemEventTrigger : ITaskTrigger
+    {
+        /// <summary>
+        /// Gets or sets the system event.
+        /// </summary>
+        /// <value>The system event.</value>
+        public SystemEvent SystemEvent { get; set; }
+
+        /// <summary>
+        /// Gets the execution properties of this task.
+        /// </summary>
+        /// <value>
+        /// The execution properties of this task.
+        /// </value>
+        public TaskExecutionOptions TaskOptions { get; set; }
+
+        private readonly ISystemEvents _systemEvents;
+
+        public SystemEventTrigger(ISystemEvents systemEvents)
+        {
+            _systemEvents = systemEvents;
+        }
+
+        /// <summary>
+        /// Stars waiting for the trigger action
+        /// </summary>
+        /// <param name="lastResult">The last result.</param>
+        /// <param name="isApplicationStartup">if set to <c>true</c> [is application startup].</param>
+        public void Start(TaskResult lastResult, ILogger logger, string taskName, bool isApplicationStartup)
+        {
+            switch (SystemEvent)
+            {
+                case SystemEvent.WakeFromSleep:
+                    _systemEvents.Resume += _systemEvents_Resume;
+                    break;
+            }
+        }
+
+        private async void _systemEvents_Resume(object sender, EventArgs e)
+        {
+            if (SystemEvent == SystemEvent.WakeFromSleep)
+            {
+                // This value is a bit arbitrary, but add a delay to help ensure network connections have been restored before running the task
+                await Task.Delay(10000).ConfigureAwait(false);
+
+                OnTriggered();
+            }
+        }
+
+        /// <summary>
+        /// Stops waiting for the trigger action
+        /// </summary>
+        public void Stop()
+        {
+            _systemEvents.Resume -= _systemEvents_Resume;
+        }
+
+        /// <summary>
+        /// Occurs when [triggered].
+        /// </summary>
+        public event EventHandler<GenericEventArgs<TaskExecutionOptions>> Triggered;
+
+        /// <summary>
+        /// Called when [triggered].
+        /// </summary>
+        private void OnTriggered()
+        {
+            if (Triggered != null)
+            {
+                Triggered(this, new GenericEventArgs<TaskExecutionOptions>(TaskOptions));
+            }
+        }
+    }
+}
-- 
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