working on HtmlViewer

QuickLook.Plugin/QuickLook.Plugin.HtmlViewer/Plugin.cs

@@ -0,0 +1,52 @@
+using System;
+using System.IO;
+using System.Windows;
+
+namespace QuickLook.Plugin.HtmlViewer
+{
+    public class Plugin : IViewer
+    {
+        private WebkitPanel _panel;
+
+        public int Priority => Int32.MaxValue;
+
+        public bool CanHandle(string path)
+        {
+            if (Directory.Exists(path))
+                return false;
+
+            switch (Path.GetExtension(path).ToLower())
+            {
+                case ".html":
+                case ".htm":
+                    return true;
+
+                default:
+                    return false;
+            }
+        }
+
+        public void Prepare(string path, ContextObject context)
+        {
+            context.PreferredSize = new Size(600, 800);
+        }
+
+        public void View(string path, ContextObject context)
+        {
+            _panel = new WebkitPanel();
+            context.ViewerContent = _panel;
+
+            _panel.Navigate(path);
+            context.IsBusy = false;
+        }
+
+        public void Dispose()
+        {
+        }
+
+        ~Plugin()
+        {
+            Dispose();
+        }
+    }
+}