Add new ApplicationDeploymentWrapper class

Load System.Deployment.dll dynamically if possible, otherwise use a dummy implementation
(this enables building and running the exact same executable on Windows and Linux)

1 files changed, 77 insertions, 0 deletions

diff --git a/ApplicationDeploymentWrapper.cs b/ApplicationDeploymentWrapper.cs
new file mode 100644
index 00000000..00df6286
--- /dev/null
+++ b/ApplicationDeploymentWrapper.cs
@@ -0,0 +1,77 @@
+using System;
+using System.IO;
+using System.Reflection;
+
+namespace com.clusterrr.hakchi_gui
+{
+    public class ApplicationDeployment
+    {
+        private static bool inited = false;
+        private static Type applicationDeploymentType;
+
+        public static bool IsNetworkDeployed
+        {
+            get
+            {
+                if (!inited) init();
+                if (applicationDeploymentType == null) return false;
+
+                ExternalPropertyHelper<bool> IsNetworkDeployedProp = new ExternalPropertyHelper<bool>(applicationDeploymentType.GetProperty("IsNetworkDeployed"));
+                return IsNetworkDeployedProp.Value;
+            }
+        }
+
+        public static ApplicationDeployment CurrentDeployment
+        {
+            get { return new ApplicationDeployment(); }
+        }
+
+        public bool IsFirstRun
+        {
+            get
+            {
+                if (applicationDeploymentType == null) return false;
+
+                ExternalPropertyHelper<object> CurrentDeploymentProp = new ExternalPropertyHelper<object>(applicationDeploymentType.GetProperty("CurrentDeployment"));
+                object CurrentDeployment = CurrentDeploymentProp.Value;
+                return (bool)CurrentDeployment.GetType().GetProperty("IsFirstRun").GetValue(CurrentDeployment, null);
+            }
+        }
+
+        private static void init()
+        {
+            try
+            {
+                string runtimeDirectory = System.Runtime.InteropServices.RuntimeEnvironment.GetRuntimeDirectory();
+                Assembly systemDeploymentAssembly = Assembly.LoadFrom(Path.Combine(runtimeDirectory, "System.Deployment.dll"));
+                applicationDeploymentType = systemDeploymentAssembly.GetType("System.Deployment.Application.ApplicationDeployment");
+            }
+            catch (FileNotFoundException e)
+            {
+                Console.WriteLine("Could not load System.Deployment.dll dynamically: {0}", e.Message);
+            }
+            finally
+            {
+                inited = true;
+            }
+        }
+
+        private class ExternalPropertyHelper<PropertyType>
+        {
+            delegate PropertyType GetFunction();
+            GetFunction GetValue;
+
+            public ExternalPropertyHelper(PropertyInfo externalProperty)
+            {
+                MethodInfo getMethod = externalProperty.GetGetMethod();
+                GetFunction getter = (GetFunction)Delegate.CreateDelegate(typeof(GetFunction), getMethod);
+                GetValue = getter;
+            }
+
+            public PropertyType Value
+            {
+                get { return GetValue(); }
+            }
+        }
+    }
+}