1 files changed, 53 insertions, 0 deletions
diff --git a/win/CS/HandBrakeWPF/Startup/MefBootstrapper.cs b/win/CS/HandBrakeWPF/Startup/MefBootstrapper.cs
new file mode 100644
index 000000000..c03d4baf9
--- /dev/null
+++ b/win/CS/HandBrakeWPF/Startup/MefBootstrapper.cs
@@ -0,0 +1,53 @@
+namespace HandBrakeWPF.Startup 
+{
+    using System;
+    using System.Collections.Generic;
+    using System.ComponentModel.Composition;
+    using System.ComponentModel.Composition.Hosting;
+    using System.Linq;
+
+    using Caliburn.Micro;
+
+    using HandBrakeWPF.ViewModels.Interfaces;
+
+    public class MefBootstrapper : Bootstrapper<IMainViewModel>
+    {
+        private CompositionContainer container;
+
+        protected override void Configure()
+        {
+            container = new CompositionContainer(
+                new AggregateCatalog(AssemblySource.Instance.Select(x => new AssemblyCatalog(x)))
+                );
+
+            var batch = new CompositionBatch();
+
+            batch.AddExportedValue<IWindowManager>(new WindowManager());
+            batch.AddExportedValue<IEventAggregator>(new EventAggregator());
+            batch.AddExportedValue(container);
+
+            container.Compose(batch);
+        }
+
+        protected override object GetInstance(Type serviceType, string key)
+        {
+            string contract = string.IsNullOrEmpty(key) ? AttributedModelServices.GetContractName(serviceType) : key;
+            var exports = container.GetExportedValues<object>(contract);
+
+            if (exports.Count() > 0)
+                return exports.First();
+
+            throw new Exception(string.Format("Could not locate any instances of contract {0}.", contract));
+        }
+
+        protected override IEnumerable<object> GetAllInstances(Type serviceType)
+        {
+            return container.GetExportedValues<object>(AttributedModelServices.GetContractName(serviceType));
+        }
+
+        protected override void BuildUp(object instance)
+        {
+            container.SatisfyImportsOnce(instance);
+        }
+    }
+}
+\ No newline at end of file