Add Svg preview handler

PowerToys.sln

@@ -90,6 +90,10 @@ Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "previewpane", "previewpane"
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Common", "src\modules\previewpane\common\Common.csproj", "{AF2349B8-E5B6-4004-9502-687C1C7730B1}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "SvgPreviewHandler", "src\modules\previewpane\SvgPreviewHandler\SvgPreviewHandler.csproj", "{DA425894-6E13-404F-8DCB-78584EC0557A}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "UnitTests-SvgPreviewHandler", "src\modules\previewpane\UnitTests-SvgPreviewHandler\UnitTests-SvgPreviewHandler.csproj", "{060D75DA-2D1C-48E6-A4A1-6F0718B64661}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|x64 = Debug|x64
@@ -168,6 +172,14 @@ Global
 		{AF2349B8-E5B6-4004-9502-687C1C7730B1}.Debug|x64.Build.0 = Debug|x64
 		{AF2349B8-E5B6-4004-9502-687C1C7730B1}.Release|x64.ActiveCfg = Release|x64
 		{AF2349B8-E5B6-4004-9502-687C1C7730B1}.Release|x64.Build.0 = Release|x64
+		{DA425894-6E13-404F-8DCB-78584EC0557A}.Debug|x64.ActiveCfg = Debug|x64
+		{DA425894-6E13-404F-8DCB-78584EC0557A}.Debug|x64.Build.0 = Debug|x64
+		{DA425894-6E13-404F-8DCB-78584EC0557A}.Release|x64.ActiveCfg = Release|x64
+		{DA425894-6E13-404F-8DCB-78584EC0557A}.Release|x64.Build.0 = Release|x64
+		{060D75DA-2D1C-48E6-A4A1-6F0718B64661}.Debug|x64.ActiveCfg = Debug|x64
+		{060D75DA-2D1C-48E6-A4A1-6F0718B64661}.Debug|x64.Build.0 = Debug|x64
+		{060D75DA-2D1C-48E6-A4A1-6F0718B64661}.Release|x64.ActiveCfg = Release|x64
+		{060D75DA-2D1C-48E6-A4A1-6F0718B64661}.Release|x64.Build.0 = Release|x64
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
@@ -193,6 +205,8 @@ Global
 		{0485F45C-EA7A-4BB5-804B-3E8D14699387} = {89E20BCE-EB9C-46C8-8B50-E01A82E6FDC3}
 		{2F305555-C296-497E-AC20-5FA1B237996A} = {4574FDD0-F61D-4376-98BF-E5A1262C11EC}
 		{AF2349B8-E5B6-4004-9502-687C1C7730B1} = {2F305555-C296-497E-AC20-5FA1B237996A}
+		{DA425894-6E13-404F-8DCB-78584EC0557A} = {2F305555-C296-497E-AC20-5FA1B237996A}
+		{060D75DA-2D1C-48E6-A4A1-6F0718B64661} = {2F305555-C296-497E-AC20-5FA1B237996A}
 	EndGlobalSection
 	GlobalSection(ExtensibilityGlobals) = postSolution
 		SolutionGuid = {C3A2F9D1-7930-4EF4-A6FC-7EE0A99821D0}

src/modules/previewpane/SvgPreviewHandler/Properties/AssemblyInfo.cs

@@ -0,0 +1,40 @@
+// Copyright (c) Microsoft Corporation
+// The Microsoft Corporation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using System.Reflection;
+using System.Runtime.CompilerServices;
+using System.Runtime.InteropServices;
+
+// 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("SvgPreviewHandler")]
+[assembly: AssemblyDescription("")]
+[assembly: AssemblyConfiguration("")]
+[assembly: AssemblyCompany("")]
+[assembly: AssemblyProduct("SvgPreviewHandler")]
+[assembly: AssemblyCopyright("Copyright ©  2020")]
+[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)]
+
+// The following GUID is for the ID of the typelib if this project is exposed to COM
+[assembly: Guid("da425894-6e13-404f-8dcb-78584ec0557a")]
+
+// 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.*")]
+[assembly: AssemblyVersion("1.0.0.0")]
+[assembly: AssemblyFileVersion("1.0.0.0")]

src/modules/previewpane/SvgPreviewHandler/SvgPreviewControl.cs

@@ -0,0 +1,55 @@
+// Copyright (c) Microsoft Corporation
+// The Microsoft Corporation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using System;
+using System.IO;
+using System.Runtime.InteropServices.ComTypes;
+using System.Windows.Forms;
+using Common;
+using Common.Utilities;
+
+namespace SvgPreviewHandler
+{
+    /// <summary>
+    /// Implementation of Control for Svg Preview Handler.
+    /// </summary>
+    public class SvgPreviewControl : FormHandlerControl
+    {
+        private Stream dataSourceStream;
+
+        /// <summary>
+        /// Start the preview on the Control.
+        /// </summary>
+        /// <param name="dataSource">Stream reference to access source file.</param>
+        public override void DoPreview<T>(T dataSource)
+        {
+            this.InvokeOnControlThread(() =>
+            {
+                WebBrowser browser = new WebBrowser();
+                this.dataSourceStream = new StreamWrapper(dataSource as IStream);
+
+                browser.DocumentStream = this.dataSourceStream;
+                browser.Dock = DockStyle.Fill;
+                browser.IsWebBrowserContextMenuEnabled = false;
+                browser.ScriptErrorsSuppressed = true;
+                browser.ScrollBarsEnabled = true;
+                this.Controls.Add(browser);
+                base.DoPreview(dataSource);
+            });
+        }
+
+        /// <summary>
+        /// Free resources on the unload of Preview.
+        /// </summary>
+        public override void Unload()
+        {
+            base.Unload();
+            if (this.dataSourceStream != null)
+            {
+                this.dataSourceStream.Dispose();
+                this.dataSourceStream = null;
+            }
+        }
+    }
+}

src/modules/previewpane/SvgPreviewHandler/SvgPreviewHandler.cs

@@ -0,0 +1,36 @@
+// Copyright (c) Microsoft Corporation
+// The Microsoft Corporation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using System;
+using System.Runtime.InteropServices;
+using Common;
+
+namespace SvgPreviewHandler
+{
+    /// <summary>
+    /// Extends <see cref="StreamBasedPreviewHandler"/> for Svg Preview Handler.
+    /// </summary>
+    [PreviewHandler("SvgPreviewHandler", ".svg", "{88235ab2-bfce-4be8-9ed0-0408cd8da792}")]
+    [ProgId("SvgPreviewHandler")]
+    [Guid("ddee2b8a-6807-48a6-bb20-2338174ff779")]
+    [ClassInterface(ClassInterfaceType.None)]
+    [ComVisible(true)]
+    public class SvgPreviewHandler : StreamBasedPreviewHandler
+    {
+        private SvgPreviewControl svgPreviewControl;
+
+        /// <inheritdoc/>
+        public override void DoPreview()
+        {
+            this.svgPreviewControl.DoPreview(this.Stream);
+        }
+
+        /// <inheritdoc/>
+        protected override IPreviewHandlerControl CreatePreviewHandlerControl()
+        {
+            this.svgPreviewControl = new SvgPreviewControl();
+            return this.svgPreviewControl;
+        }
+    }
+}

src/modules/previewpane/SvgPreviewHandler/SvgPreviewHandler.csproj

@@ -0,0 +1,85 @@
+<?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>{DA425894-6E13-404F-8DCB-78584EC0557A}</ProjectGuid>
+    <OutputType>Library</OutputType>
+    <AppDesignerFolder>Properties</AppDesignerFolder>
+    <RootNamespace>SvgPreviewHandler</RootNamespace>
+    <AssemblyName>SvgPreviewHandler</AssemblyName>
+    <TargetFrameworkVersion>v4.8</TargetFrameworkVersion>
+    <FileAlignment>512</FileAlignment>
+    <Deterministic>true</Deterministic>
+  </PropertyGroup>
+  <PropertyGroup>
+    <SignAssembly>true</SignAssembly>
+  </PropertyGroup>
+  <PropertyGroup>
+    <AssemblyOriginatorKeyFile>SvgPreviewHandler.snk</AssemblyOriginatorKeyFile>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Debug|x64'">
+    <DebugSymbols>true</DebugSymbols>
+    <OutputPath>bin\Debug\</OutputPath>
+    <DefineConstants>DEBUG;TRACE</DefineConstants>
+    <DocumentationFile>bin\Debug\SvgPreviewHandler.xml</DocumentationFile>
+    <WarningLevel>2</WarningLevel>
+    <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
+    <DebugType>full</DebugType>
+    <PlatformTarget>x64</PlatformTarget>
+    <LangVersion>7.3</LangVersion>
+    <ErrorReport>prompt</ErrorReport>
+    <CodeAnalysisRuleSet>MinimumRecommendedRules.ruleset</CodeAnalysisRuleSet>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Release|x64'">
+    <OutputPath>bin\Release\</OutputPath>
+    <DefineConstants>TRACE</DefineConstants>
+    <DocumentationFile>bin\Release\SvgPreviewHandler.xml</DocumentationFile>
+    <Optimize>true</Optimize>
+    <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
+    <DebugType>pdbonly</DebugType>
+    <PlatformTarget>x64</PlatformTarget>
+    <LangVersion>7.3</LangVersion>
+    <ErrorReport>prompt</ErrorReport>
+    <CodeAnalysisRuleSet>MinimumRecommendedRules.ruleset</CodeAnalysisRuleSet>
+  </PropertyGroup>
+  <ItemGroup>
+    <Reference Include="System" />
+    <Reference Include="System.Core" />
+    <Reference Include="System.Windows.Forms" />
+    <Reference Include="System.Xml.Linq" />
+    <Reference Include="System.Data.DataSetExtensions" />
+    <Reference Include="Microsoft.CSharp" />
+    <Reference Include="System.Data" />
+    <Reference Include="System.Net.Http" />
+    <Reference Include="System.Xml" />
+  </ItemGroup>
+  <ItemGroup>
+    <Compile Include="SvgPreviewControl.cs">
+      <SubType>Form</SubType>
+    </Compile>
+    <Compile Include="SvgPreviewHandler.cs" />
+    <Compile Include="Properties\AssemblyInfo.cs" />
+  </ItemGroup>
+  <ItemGroup>
+    <ProjectReference Include="..\common\Common.csproj">
+      <Project>{af2349b8-e5b6-4004-9502-687c1c7730b1}</Project>
+      <Name>Common</Name>
+    </ProjectReference>
+  </ItemGroup>
+  <ItemGroup>
+    <AdditionalFiles Include="..\..\..\codeAnalysis\StyleCop.json">
+      <Link>StyleCop.json</Link>
+    </AdditionalFiles>
+    <None Include="SvgPreviewHandler.snk" />
+  </ItemGroup>
+  <ItemGroup>
+    <PackageReference Include="StyleCop.Analyzers">
+      <Version>1.1.118</Version>
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+      <PrivateAssets>all</PrivateAssets>
+    </PackageReference>
+  </ItemGroup>
+  <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
+</Project>

src/modules/previewpane/UnitTests-SvgPreviewHandler/Properties/AssemblyInfo.cs

@@ -0,0 +1,20 @@
+using System.Reflection;
+using System.Runtime.CompilerServices;
+using System.Runtime.InteropServices;
+
+[assembly: AssemblyTitle("UnitTests-SvgPreviewHandler")]
+[assembly: AssemblyDescription("")]
+[assembly: AssemblyConfiguration("")]
+[assembly: AssemblyCompany("")]
+[assembly: AssemblyProduct("UnitTests-SvgPreviewHandler")]
+[assembly: AssemblyCopyright("Copyright ©  2020")]
+[assembly: AssemblyTrademark("")]
+[assembly: AssemblyCulture("")]
+
+[assembly: ComVisible(false)]
+
+[assembly: Guid("060d75da-2d1c-48e6-a4a1-6f0718b64661")]
+
+// [assembly: AssemblyVersion("1.0.*")]
+[assembly: AssemblyVersion("1.0.0.0")]
+[assembly: AssemblyFileVersion("1.0.0.0")]

src/modules/previewpane/UnitTests-SvgPreviewHandler/SvgPreviewControlTests.cs

@@ -0,0 +1,101 @@
+using System;
+using System.IO;
+using System.Runtime.InteropServices;
+using System.Runtime.InteropServices.ComTypes;
+using System.Text;
+using System.Windows.Forms;
+using Microsoft.VisualStudio.TestTools.UnitTesting;
+using Moq;
+using SvgPreviewHandler;
+
+namespace UnitTests_SvgPreviewHandler
+{
+    [TestClass]
+    public class SvgPreviewControlTests
+    {
+        [TestMethod]
+        public void SvgPreviewControl_ShouldAddBrowserControl_WhenDoPreviewCalled()
+        {
+            // Arrange
+            var svgPreviewControl = new SvgPreviewControl();
+            var mockStream = new Mock<IStream>();
+
+            // Act
+            svgPreviewControl.DoPreview(mockStream.Object);
+
+            // Assert
+            Assert.AreEqual(svgPreviewControl.Controls.Count, 1);
+            Assert.IsInstanceOfType(svgPreviewControl.Controls[0], typeof(WebBrowser));
+        }
+
+        [TestMethod]
+        public void SvgPreviewControl_ShouldSetDocumentStream_WhenDoPreviewCalled()
+        {
+            // Arrange
+            var svgPreviewControl = new SvgPreviewControl();
+            var mockStream = new Mock<IStream>();
+
+            // Act
+            svgPreviewControl.DoPreview(mockStream.Object);
+
+            // Assert
+            Assert.IsNotNull(((WebBrowser)svgPreviewControl.Controls[0]).DocumentStream);
+        }
+
+        [TestMethod]
+        public void SvgPreviewControl_ShouldDisableWebBrowserContextMenu_WhenDoPreviewCalled()
+        {
+            // Arrange
+            var svgPreviewControl = new SvgPreviewControl();
+            var mockStream = new Mock<IStream>();
+
+            // Act
+            svgPreviewControl.DoPreview(mockStream.Object);
+
+            // Assert
+            Assert.AreEqual(((WebBrowser)svgPreviewControl.Controls[0]).IsWebBrowserContextMenuEnabled, false);
+        }
+
+        [TestMethod]
+        public void SvgPreviewControl_ShouldFillDockForWebBrowser_WhenDoPreviewCalled()
+        {
+            // Arrange
+            var svgPreviewControl = new SvgPreviewControl();
+            var mockStream = new Mock<IStream>();
+
+            // Act
+            svgPreviewControl.DoPreview(mockStream.Object);
+
+            // Assert
+            Assert.AreEqual(((WebBrowser)svgPreviewControl.Controls[0]).Dock, DockStyle.Fill);
+        }
+
+        [TestMethod]
+        public void SvgPreviewControl_ShouldSetScriptErrorsSuppressedProperty_WhenDoPreviewCalled()
+        {
+            // Arrange
+            var svgPreviewControl = new SvgPreviewControl();
+            var mockStream = new Mock<IStream>();
+
+            // Act
+            svgPreviewControl.DoPreview(mockStream.Object);
+
+            // Assert
+            Assert.AreEqual(((WebBrowser)svgPreviewControl.Controls[0]).ScriptErrorsSuppressed, true);
+        }
+
+        [TestMethod]
+        public void SvgPreviewControl_ShouldSetScrollBarsEnabledProperty_WhenDoPreviewCalled()
+        {
+            // Arrange
+            var svgPreviewControl = new SvgPreviewControl();
+            var mockStream = new Mock<IStream>();
+
+            // Act
+            svgPreviewControl.DoPreview(mockStream.Object);
+
+            // Assert
+            Assert.AreEqual(((WebBrowser)svgPreviewControl.Controls[0]).ScrollBarsEnabled, true);
+        }
+    }
+}