working on HtmlViewer

QuickLook.Plugin/QuickLook.Plugin.HtmlViewer/WebkitPanel.xaml.cs

@@ -0,0 +1,54 @@
+using System;
+using System.IO;
+using System.Text;
+using System.Windows.Controls;
+
+namespace QuickLook.Plugin.HtmlViewer
+{
+    /// <summary>
+    ///     Interaction logic for UserControl1.xaml
+    /// </summary>
+    public partial class WebkitPanel : UserControl
+    {
+        public WebkitPanel()
+        {
+            InitializeComponent();
+        }
+
+        public void Navigate(string path)
+        {
+            //path = "http://pooi.moe/QuickLook";
+            if (Path.IsPathRooted(path))
+                path = FilePathToFileUrl(path);
+
+            browser.Loaded += (sender, e) => browser.Navigate(path);
+        }
+
+        private static string FilePathToFileUrl(string filePath)
+        {
+            StringBuilder uri = new StringBuilder();
+            foreach (char v in filePath)
+            {
+                if ((v >= 'a' && v <= 'z') || (v >= 'A' && v <= 'Z') || (v >= '0' && v <= '9') ||
+                    v == '+' || v == '/' || v == ':' || v == '.' || v == '-' || v == '_' || v == '~' ||
+                    v > '\xFF')
+                {
+                    uri.Append(v);
+                }
+                else if (v == Path.DirectorySeparatorChar || v == Path.AltDirectorySeparatorChar)
+                {
+                    uri.Append('/');
+                }
+                else
+                {
+                    uri.Append($"%{(int) v:X2}");
+                }
+            }
+            if (uri.Length >= 2 && uri[0] == '/' && uri[1] == '/') // UNC path
+                uri.Insert(0, "file:");
+            else
+                uri.Insert(0, "file:///");
+            return uri.ToString();
+        }
+    }
+}