Modified Example

Example/Notifier.cs

@@ -0,0 +1,77 @@
+#if UBUNTU
+using Notifications;
+#endif
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.Threading;
+
+namespace Example
+{
+  internal class Notifier : IDisposable
+  {
+    private bool                       _enabled;
+    private Queue<NotificationMessage> _queue;
+    private ManualResetEvent           _waitHandle;
+
+    public Notifier ()
+    {
+      _enabled = true;
+      _queue = new Queue<NotificationMessage> ();
+      _waitHandle = new ManualResetEvent (false);
+
+      ThreadPool.QueueUserWorkItem (
+        state => {
+          while (_enabled || Count > 0) {
+            Thread.Sleep (500);
+            if (Count > 0) {
+              var msg = dequeue ();
+#if UBUNTU
+              var nf = new Notification (msg.Summary, msg.Body, msg.Icon);
+              nf.AddHint ("append", "allowed");
+              nf.Show ();
+#else
+              Console.WriteLine (msg);
+#endif
+            }
+          }
+
+          _waitHandle.Set ();
+        });
+    }
+
+    public int Count {
+      get {
+        lock (((ICollection) _queue).SyncRoot) {
+          return _queue.Count;
+        }
+      }
+    }
+
+    private NotificationMessage dequeue ()
+    {
+      lock (((ICollection) _queue).SyncRoot) {
+        return _queue.Dequeue ();
+      }
+    }
+
+    public void Close ()
+    {
+      _enabled = false;
+      _waitHandle.WaitOne ();
+      _waitHandle.Close ();
+    }
+
+    public void Notify (NotificationMessage message)
+    {
+      lock (((ICollection) _queue).SyncRoot) {
+        _queue.Enqueue (message);
+      }
+    }
+
+    void IDisposable.Dispose ()
+    {
+      Close ();
+    }
+  }
+}