[banshee] [ServiceStack] Add a startup job for faster startup

[Gabriel Burt <gburt src gnome org>]

commit 41e33a3de7d8e5182e0727bf5f723d220d7a039c
Author: Gabriel Burt <gabriel burt gmail com>
Date:   Tue Aug 10 18:14:11 2010 -0700

    [ServiceStack] Add a startup job for faster startup
    
    It has a SpeedSensitive priority hint and uses all resources, so the
    scheduler will block jobs like save-metadata, Mirage analysis, etc until
    the UI is fully loaded.  Fixes bgo#626487 and bgo#626486.

 .../Banshee.ServiceStack/JobScheduler.cs           |   35 ++++++++++++++++++++
 1 files changed, 35 insertions(+), 0 deletions(-)
---
diff --git a/src/Core/Banshee.Services/Banshee.ServiceStack/JobScheduler.cs b/src/Core/Banshee.Services/Banshee.ServiceStack/JobScheduler.cs
index c043c03..cbcfc83 100644
--- a/src/Core/Banshee.Services/Banshee.ServiceStack/JobScheduler.cs
+++ b/src/Core/Banshee.Services/Banshee.ServiceStack/JobScheduler.cs
@@ -34,6 +34,41 @@ namespace Banshee.ServiceStack
 {
     public class JobScheduler : Scheduler, IRequiredService
     {
+        class StartupJob : Job
+        {
+            public StartupJob ()
+            {
+                Title = "Startup Job";
+                PriorityHints = PriorityHints.SpeedSensitive;
+                SetResources (Resource.Cpu, Resource.Disk, Resource.Database);
+                IsBackground = true;
+            }
+
+            public void Finish ()
+            {
+                OnFinished ();
+            }
+        }
+
+        StartupJob startup_job = new StartupJob ();
+
+        public JobScheduler ()
+        {
+            // This startup job blocks any other jobs from starting
+            // until we're up and running.
+            Add (startup_job);
+            Application.ClientStarted += OnClientStarted;
+        }
+
+        private void OnClientStarted (Client client)
+        {
+            Application.ClientStarted -= OnClientStarted;
+            Application.RunTimeout (1000, delegate {
+                startup_job.Finish ();
+                return false;
+            });
+        }
+
         string IService.ServiceName {
             get { return "JobScheduler"; }
         }