#36: support .msg and .eml files

2025-09-11 09:49:07 +00:00 · 2017-07-02 00:28:15 +03:00
parent 5c081127c7
commit a169cb0767
6 changed files with 273 additions and 1 deletions
--- a/QuickLook.Plugin/QuickLook.Plugin.MailViewer/Plugin.cs
+++ b/QuickLook.Plugin/QuickLook.Plugin.MailViewer/Plugin.cs
@@ -0,0 +1,101 @@
+// Copyright <20> 2017 Paddy Xu
+// 
+// This file is part of QuickLook program.
+// 
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+// 
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+// 
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+using System;
+using System.IO;
+using System.Windows;
+using System.Windows.Threading;
+using MsgReader;
+using QuickLook.Plugin.HtmlViewer;
+
+namespace QuickLook.Plugin.MailViewer
+{
+    public class Plugin : IViewer
+    {
+        private WebpagePanel _panel;
+        private string tmpDir = Path.Combine(Path.GetTempPath(), Guid.NewGuid().ToString());
+
+        public int Priority => int.MaxValue;
+        public bool AllowsTransparency => false;
+
+        public void Init()
+        {
+        }
+
+        public bool CanHandle(string path)
+        {
+            if (Directory.Exists(path))
+                return false;
+
+            switch (Path.GetExtension(path).ToLower())
+            {
+                case ".eml":
+                case ".msg":
+                    return true;
+
+                default:
+                    return false;
+            }
+        }
+
+        public void Prepare(string path, ContextObject context)
+        {
+            context.PreferredSize = new Size {Width = 1000, Height = 600};
+        }
+
+        public void View(string path, ContextObject context)
+        {
+            _panel = new WebpagePanel();
+            context.ViewerContent = _panel;
+            context.Title = Path.GetFileName(path);
+
+            _panel.Navigate(ExtractMailBody(path));
+            _panel.Dispatcher.Invoke(() => { context.IsBusy = false; }, DispatcherPriority.Loaded);
+        }
+
+        public void Cleanup()
+        {
+            GC.SuppressFinalize(this);
+
+            _panel?.Dispose();
+            _panel = null;
+
+            if (Directory.Exists(tmpDir))
+                Directory.Delete(tmpDir, true);
+        }
+
+        private string ExtractMailBody(string path)
+        {
+            tmpDir = Path.Combine(Path.GetTempPath(), Guid.NewGuid().ToString());
+            Directory.CreateDirectory(tmpDir);
+
+            var msg = new Reader();
+
+            var files = msg.ExtractToFolder(path, tmpDir, true);
+
+            if (files.Length > 0 && !string.IsNullOrEmpty(files[0]))
+                return files[0];
+
+            throw new Exception($"{path} is not a valid msg file.");
+        }
+
+        ~Plugin()
+        {
+            Cleanup();
+        }
+    }
+}
--- a/QuickLook.Plugin/QuickLook.Plugin.MailViewer/Properties/AssemblyInfo.cs
+++ b/QuickLook.Plugin/QuickLook.Plugin.MailViewer/Properties/AssemblyInfo.cs
@@ -0,0 +1,68 @@
+// Copyright © 2017 Paddy Xu
+// 
+// This file is part of QuickLook program.
+// 
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+// 
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+// 
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+using System.Reflection;
+using System.Runtime.InteropServices;
+using System.Windows;
+
+// General Information about an assembly is controlled through the following
+// set of attributes. Change these attribute values to modify the information
+// associated with an assembly.
+[assembly: AssemblyTitle("QuickLook.Plugin.MailViewer")]
+[assembly: AssemblyDescription("")]
+[assembly: AssemblyConfiguration("")]
+[assembly: AssemblyCompany("")]
+[assembly: AssemblyProduct("QuickLook.Plugin.MailViewer")]
+[assembly: AssemblyCopyright("Copyright ©  2017")]
+[assembly: AssemblyTrademark("")]
+[assembly: AssemblyCulture("")]
+
+// Setting ComVisible to false makes the types in this assembly not visible
+// to COM components.  If you need to access a type in this assembly from
+// COM, set the ComVisible attribute to true on that type.
+[assembly: ComVisible(false)]
+
+//In order to begin building localizable applications, set
+//<UICulture>CultureYouAreCodingWith</UICulture> in your .csproj file
+//inside a <PropertyGroup>.  For example, if you are using US english
+//in your source files, set the <UICulture> to en-US.  Then uncomment
+//the NeutralResourceLanguage attribute below.  Update the "en-US" in
+//the line below to match the UICulture setting in the project file.
+
+//[assembly: NeutralResourcesLanguage("en-US", UltimateResourceFallbackLocation.Satellite)]
+
+
+[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)
+    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)
+)]
+
+
+// Version information for an assembly consists of the following four values:
+//
+//      Major Version
+//      Minor Version
+//      Build Number
+//      Revision
+//
+// You can specify all the values or you can default the Build and Revision Numbers
+// by using the '*' as shown below:
+// [assembly: AssemblyVersion("1.0.*")]
--- a/QuickLook.Plugin/QuickLook.Plugin.MailViewer/QuickLook.Plugin.MailViewer.csproj
+++ b/QuickLook.Plugin/QuickLook.Plugin.MailViewer/QuickLook.Plugin.MailViewer.csproj
@@ -0,0 +1,87 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
+  <PropertyGroup>
+    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
+    <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
+    <ProjectGuid>{45E94893-3076-4A8E-8969-6955B6340739}</ProjectGuid>
+    <OutputType>library</OutputType>
+    <RootNamespace>QuickLook.Plugin.MailViewer</RootNamespace>
+    <AssemblyName>QuickLook.Plugin.MailViewer</AssemblyName>
+    <TargetFrameworkVersion>v4.6.2</TargetFrameworkVersion>
+    <FileAlignment>512</FileAlignment>
+    <ProjectTypeGuids>{60dc8134-eba5-43b8-bcc9-bb4bc16c2548};{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}</ProjectTypeGuids>
+    <WarningLevel>4</WarningLevel>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
+    <DebugSymbols>true</DebugSymbols>
+    <DebugType>full</DebugType>
+    <Optimize>false</Optimize>
+    <OutputPath>..\..\Build\Debug\QuickLook.Plugin\QuickLook.Plugin.MailViewer\</OutputPath>
+    <DefineConstants>DEBUG;TRACE</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
+    <DebugType>pdbonly</DebugType>
+    <Optimize>true</Optimize>
+    <OutputPath>..\..\Build\Release\QuickLook.Plugin\QuickLook.Plugin.MailViewer\</OutputPath>
+    <DefineConstants>TRACE</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Debug|x86'">
+    <DebugSymbols>true</DebugSymbols>
+    <OutputPath>..\..\Build\Debug\QuickLook.Plugin\QuickLook.Plugin.MailViewer\</OutputPath>
+    <DefineConstants>DEBUG;TRACE</DefineConstants>
+    <DebugType>full</DebugType>
+    <PlatformTarget>x86</PlatformTarget>
+    <ErrorReport>prompt</ErrorReport>
+    <CodeAnalysisRuleSet>MinimumRecommendedRules.ruleset</CodeAnalysisRuleSet>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Release|x86'">
+    <OutputPath>..\..\Build\Release\QuickLook.Plugin\QuickLook.Plugin.MailViewer\</OutputPath>
+    <DefineConstants>TRACE</DefineConstants>
+    <Optimize>true</Optimize>
+    <DebugType>pdbonly</DebugType>
+    <PlatformTarget>x86</PlatformTarget>
+    <ErrorReport>prompt</ErrorReport>
+    <CodeAnalysisRuleSet>MinimumRecommendedRules.ruleset</CodeAnalysisRuleSet>
+  </PropertyGroup>
+  <ItemGroup>
+    <Reference Include="MsgReader, Version=2.0.11.0, Culture=neutral, PublicKeyToken=47f99f3a9a2648df, processorArchitecture=MSIL">
+      <HintPath>..\..\packages\MSGReader.2.0.11\lib\MsgReader.dll</HintPath>
+    </Reference>
+    <Reference Include="System" />
+    <Reference Include="System.Core" />
+    <Reference Include="System.Xaml">
+      <RequiredTargetFramework>4.0</RequiredTargetFramework>
+    </Reference>
+    <Reference Include="WindowsBase" />
+    <Reference Include="PresentationCore" />
+    <Reference Include="PresentationFramework" />
+  </ItemGroup>
+  <ItemGroup>
+    <Compile Include="..\..\GitVersion.cs">
+      <Link>Properties\GitVersion.cs</Link>
+    </Compile>
+    <Compile Include="Plugin.cs" />
+    <Compile Include="Properties\AssemblyInfo.cs" />
+  </ItemGroup>
+  <ItemGroup>
+    <ProjectReference Include="..\..\QuickLook\QuickLook.csproj">
+      <Project>{8b4a9ce5-67b5-4a94-81cb-3771f688fdeb}</Project>
+      <Name>QuickLook</Name>
+      <Private>False</Private>
+    </ProjectReference>
+    <ProjectReference Include="..\QuickLook.Plugin.HtmlViewer\QuickLook.Plugin.HtmlViewer.csproj">
+      <Project>{ce22a1f3-7f2c-4ec8-bfde-b58d0eb625fc}</Project>
+      <Name>QuickLook.Plugin.HtmlViewer</Name>
+      <Private>False</Private>
+    </ProjectReference>
+  </ItemGroup>
+  <ItemGroup>
+    <None Include="packages.config" />
+  </ItemGroup>
+  <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
+</Project>
--- a/QuickLook.Plugin/QuickLook.Plugin.MailViewer/packages.config
+++ b/QuickLook.Plugin/QuickLook.Plugin.MailViewer/packages.config
@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+
+<packages>
+  <package id="MSGReader" version="2.0.11" targetFramework="net462" />
+</packages>