Add MarkdownViewer

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

@@ -0,0 +1,35 @@
+// Copyright © 2010-2017 The CefSharp Authors. All rights reserved.
+//
+// Use of this source code is governed by a BSD-style license that can be found in the LICENSE file.
+
+using CefSharp;
+
+namespace QuickLook.Plugin.HtmlViewer
+{
+    internal class MenuHandler : IContextMenuHandler
+    {
+        public void OnBeforeContextMenu(IWebBrowser browserControl, IBrowser browser, IFrame frame,
+            IContextMenuParams parameters,
+            IMenuModel model)
+        {
+        }
+
+        public bool OnContextMenuCommand(IWebBrowser browserControl, IBrowser browser, IFrame frame,
+            IContextMenuParams parameters,
+            CefMenuCommand commandId, CefEventFlags eventFlags)
+        {
+            return false;
+        }
+
+        public void OnContextMenuDismissed(IWebBrowser browserControl, IBrowser browser, IFrame frame)
+        {
+        }
+
+        public bool RunContextMenu(IWebBrowser browserControl, IBrowser browser, IFrame frame,
+            IContextMenuParams parameters,
+            IMenuModel model, IRunContextMenuCallback callback)
+        {
+            return true;
+        }
+    }
+}

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

@@ -8,7 +8,7 @@ public class Plugin : IViewer
     {
         private WebkitPanel _panel;
 
-        public int Priority => Int32.MaxValue;
+        public int Priority => int.MaxValue;
 
         public bool CanHandle(string path)
         {
@@ -37,6 +37,7 @@ public void View(string path, ContextObject context)
         {
             _panel = new WebkitPanel();
             context.ViewerContent = _panel;
+            context.Title = Path.IsPathRooted(path) ? Path.GetFileName(path) : path;
 
             _panel.Navigate(path);
             context.IsBusy = false;

QuickLook.Plugin/QuickLook.Plugin.HtmlViewer/Properties/AssemblyInfo.cs

@@ -1,6 +1,4 @@
 using System.Reflection;
-using System.Resources;
-using System.Runtime.CompilerServices;
 using System.Runtime.InteropServices;
 using System.Windows;
 
@@ -31,13 +29,13 @@
 //[assembly: NeutralResourcesLanguage("en-US", UltimateResourceFallbackLocation.Satellite)]
 
 
-[assembly:ThemeInfo(
+[assembly: ThemeInfo(
     ResourceDictionaryLocation.None, //where theme specific resource dictionaries are located
-                             //(used if a resource is not found in the page,
-                             // or application resource dictionaries)
+    //(used if a resource is not found in the page,
+    // or application resource dictionaries)
     ResourceDictionaryLocation.SourceAssembly //where the generic resource dictionary is located
-                                      //(used if a resource is not found in the page,
-                                      // app, or any theme specific resource dictionaries)
+    //(used if a resource is not found in the page,
+    // app, or any theme specific resource dictionaries)
 )]
 
 
@@ -52,4 +50,4 @@
 // by using the '*' as shown below:
 // [assembly: AssemblyVersion("1.0.*")]
 [assembly: AssemblyVersion("1.0.0.0")]
-[assembly: AssemblyFileVersion("1.0.0.0")]
+[assembly: AssemblyFileVersion("1.0.0.0")]

QuickLook.Plugin/QuickLook.Plugin.HtmlViewer/Properties/Settings.settings

@@ -1,4 +1,5 @@
 <?xml version='1.0' encoding='utf-8'?>
+
 <SettingsFile xmlns="uri:settings" CurrentProfile="(Default)">
   <Profiles>
     <Profile Name="(Default)" />

QuickLook.Plugin/QuickLook.Plugin.HtmlViewer/QuickLook.Plugin.HtmlViewer.csproj

@@ -66,7 +66,10 @@
       <Generator>MSBuild:Compile</Generator>
       <SubType>Designer</SubType>
     </Page>
+    <Compile Include="MenuHandler.cs" />
     <Compile Include="Plugin.cs" />
+    <Compile Include="RequestHandler.cs" />
+    <Compile Include="UrlHelper.cs" />
     <Compile Include="WebkitPanel.xaml.cs">
       <DependentUpon>WebkitPanel.xaml</DependentUpon>
       <SubType>Code</SubType>

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

@@ -0,0 +1,113 @@
+// Copyright © 2010-2017 The CefSharp Authors. All rights reserved.
+//
+// Use of this source code is governed by a BSD-style license that can be found in the LICENSE file.
+
+using System.Security.Cryptography.X509Certificates;
+using CefSharp;
+
+namespace QuickLook.Plugin.HtmlViewer
+{
+    public class RequestHandler : IRequestHandler
+    {
+        bool IRequestHandler.OnBeforeBrowse(IWebBrowser browserControl, IBrowser browser, IFrame frame,
+            IRequest request, bool isRedirect)
+        {
+            return request.TransitionType != TransitionType.Explicit;
+        }
+
+        bool IRequestHandler.OnOpenUrlFromTab(IWebBrowser browserControl, IBrowser browser, IFrame frame,
+            string targetUrl, WindowOpenDisposition targetDisposition, bool userGesture)
+        {
+            return OnOpenUrlFromTab(browserControl, browser, frame, targetUrl, targetDisposition, userGesture);
+        }
+
+        bool IRequestHandler.OnCertificateError(IWebBrowser browserControl, IBrowser browser, CefErrorCode errorCode,
+            string requestUrl, ISslInfo sslInfo, IRequestCallback callback)
+        {
+            callback.Dispose();
+            return false;
+        }
+
+        void IRequestHandler.OnPluginCrashed(IWebBrowser browserControl, IBrowser browser, string pluginPath)
+        {
+        }
+
+        CefReturnValue IRequestHandler.OnBeforeResourceLoad(IWebBrowser browserControl, IBrowser browser, IFrame frame,
+            IRequest request, IRequestCallback callback)
+        {
+            return CefReturnValue.Continue;
+        }
+
+        bool IRequestHandler.GetAuthCredentials(IWebBrowser browserControl, IBrowser browser, IFrame frame,
+            bool isProxy, string host, int port, string realm, string scheme, IAuthCallback callback)
+        {
+            callback.Dispose();
+            return false;
+        }
+
+        bool IRequestHandler.OnSelectClientCertificate(IWebBrowser browserControl, IBrowser browser, bool isProxy,
+            string host, int port, X509Certificate2Collection certificates, ISelectClientCertificateCallback callback)
+        {
+            //NOTE: If you do not wish to implement this method returning false is the default behaviour
+            // We also suggest you explicitly Dispose of the callback as it wraps an unmanaged resource.
+
+            return OnSelectClientCertificate(browserControl, browser, isProxy, host, port, certificates, callback);
+        }
+
+        void IRequestHandler.OnRenderProcessTerminated(IWebBrowser browserControl, IBrowser browser,
+            CefTerminationStatus status)
+        {
+        }
+
+        bool IRequestHandler.OnQuotaRequest(IWebBrowser browserControl, IBrowser browser, string originUrl,
+            long newSize, IRequestCallback callback)
+        {
+            callback.Dispose();
+            return false;
+        }
+
+        void IRequestHandler.OnResourceRedirect(IWebBrowser browserControl, IBrowser browser, IFrame frame,
+            IRequest request, IResponse response, ref string newUrl)
+        {
+        }
+
+        bool IRequestHandler.OnProtocolExecution(IWebBrowser browserControl, IBrowser browser, string url)
+        {
+            return false;
+        }
+
+        void IRequestHandler.OnRenderViewReady(IWebBrowser browserControl, IBrowser browser)
+        {
+        }
+
+        bool IRequestHandler.OnResourceResponse(IWebBrowser browserControl, IBrowser browser, IFrame frame,
+            IRequest request, IResponse response)
+        {
+            return false;
+        }
+
+        IResponseFilter IRequestHandler.GetResourceResponseFilter(IWebBrowser browserControl, IBrowser browser,
+            IFrame frame, IRequest request, IResponse response)
+        {
+            return null;
+        }
+
+        void IRequestHandler.OnResourceLoadComplete(IWebBrowser browserControl, IBrowser browser, IFrame frame,
+            IRequest request, IResponse response, UrlRequestStatus status, long receivedContentLength)
+        {
+        }
+
+        protected virtual bool OnOpenUrlFromTab(IWebBrowser browserControl, IBrowser browser, IFrame frame,
+            string targetUrl, WindowOpenDisposition targetDisposition, bool userGesture)
+        {
+            return false;
+        }
+
+        protected virtual bool OnSelectClientCertificate(IWebBrowser browserControl, IBrowser browser, bool isProxy,
+            string host, int port, X509Certificate2Collection certificates, ISelectClientCertificateCallback callback)
+        {
+            callback.Dispose();
+            return false;
+        }
+    }
+}

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

@@ -0,0 +1,27 @@
+using System.IO;
+using System.Text;
+
+namespace QuickLook.Plugin.HtmlViewer
+{
+    internal static class UrlHelper
+    {
+        internal static string FilePathToFileUrl(string filePath)
+        {
+            var uri = new StringBuilder();
+            foreach (var 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();
+        }
+    }
+}

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

@@ -1,13 +1,13 @@
 <UserControl x:Class="QuickLook.Plugin.HtmlViewer.WebkitPanel"
              xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
              xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
-             xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" 
-             xmlns:d="http://schemas.microsoft.com/expression/blend/2008" 
+             xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+             xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
              xmlns:local="clr-namespace:QuickLook.Plugin.HtmlViewer"
              xmlns:cef="clr-namespace:CefSharp.Wpf;assembly=CefSharp.Wpf"
-             mc:Ignorable="d" 
+             mc:Ignorable="d"
              d:DesignHeight="300" d:DesignWidth="300">
     <Grid>
         <cef:ChromiumWebBrowser x:Name="browser" />
     </Grid>
-</UserControl>
+</UserControl>

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

@@ -1,8 +1,7 @@
 using System;
 using System.Collections.Generic;
 using System.IO;
-using System.Runtime.CompilerServices;
-using System.Text;
+using System.Reflection;
 using System.Windows;
 using System.Windows.Controls;
 using CefSharp;
@@ -12,10 +11,10 @@ namespace QuickLook.Plugin.HtmlViewer
     /// <summary>
     ///     Interaction logic for UserControl1.xaml
     /// </summary>
-    public partial class WebkitPanel : UserControl,IDisposable
+    public partial class WebkitPanel : UserControl, IDisposable
     {
-        private string _cefPath =
-            Path.Combine(Path.GetDirectoryName(System.Reflection.Assembly.GetExecutingAssembly().Location));
+        private readonly string _cefPath =
+            Path.Combine(Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location));
 
         public WebkitPanel()
         {
@@ -28,52 +27,36 @@ public WebkitPanel()
                     LocalesDirPath = Path.Combine(_cefPath, "locales"),
                     ResourcesDirPath = _cefPath,
                     LogSeverity = LogSeverity.Disable,
-                    CefCommandLineArgs = {new KeyValuePair<string, string>("disable-gpu", "1")},
+                    CefCommandLineArgs = {new KeyValuePair<string, string>("disable-gpu", "1")}
                 });
 
             InitializeComponent();
 
             Application.Current.Exit += (sender, e) => Cef.Shutdown();
+
+            browser.RequestHandler = new RequestHandler();
+            browser.MenuHandler = new MenuHandler();
+        }
+
+        public void Dispose()
+        {
+            browser?.Dispose();
         }
 
         public void Navigate(string path)
         {
             if (Path.IsPathRooted(path))
-                path = FilePathToFileUrl(path);
+                path = UrlHelper.FilePathToFileUrl(path);
 
             browser.IsBrowserInitializedChanged += (sender, e) => browser.Load(path);
         }
 
-        private static string FilePathToFileUrl(string filePath)
+        public void LoadHtml(string html, string path)
         {
-            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();
-        }
-
-        public void Dispose()
-        {
-            browser?.Dispose();
+            if (Path.IsPathRooted(path))
+                path = UrlHelper.FilePathToFileUrl(path);
+
+            browser.IsBrowserInitializedChanged += (sender, e) => browser.LoadHtml(html, path);
         }
     }
 }