Update MarkdownPreview to use Daytona.

Directory.Packages.props

@@ -67,7 +67,7 @@
     <PackageVersion Include="Microsoft.Test.Apex.VisualStudio" Version="17.11.35005.70" />
     <PackageVersion Include="Microsoft.TestPlatform.Portable" Version="17.1.0" />
     <PackageVersion Include="Microsoft.VisualStudio.LanguageServices" Version="4.3.1" />
-    <PackageVersion Include="Microsoft.VisualStudio.Markdown.Platform" Version="17.11.119-preview" />
+    <PackageVersion Include="Microsoft.VisualStudio.Markdown.Platform" Version="17.13.161" />
     <PackageVersion Include="Microsoft.VisualStudio.ProjectSystem" Version="17.4.221-pre" />
     <PackageVersion Include="Microsoft.VisualStudio.ProjectSystem.Managed" Version="17.2.0-beta1-20502-01" />
     <PackageVersion Include="Microsoft.VisualStudio.ProjectSystem.Managed.VS" Version="17.2.0-beta1-20502-01" />

NuGet.Config

@@ -28,6 +28,8 @@
       <package pattern="messagepack.annotations" />
       <package pattern="messagepackanalyzer" />
       <package pattern="Microsoft.*" />
+      <package pattern="Microsoft.Build.Framework" />
+      <package pattern="Microsoft.NET.StringTools" />
       <package pattern="Microsoft.VisualStudio.TemplateWizardInterface" />
       <package pattern="moq" />
       <package pattern="MSTest.TestAdapter" />
@@ -59,9 +61,11 @@
       <package pattern="envdte80" />
       <package pattern="envdte90" />
       <package pattern="envdte90a" />
+      <package pattern="Microsoft.Build.Framework" />
       <package pattern="Microsoft.DataAI.NuGetRecommender.Contracts" />
       <package pattern="microsoft.internal.visualstudio.*" />
       <package pattern="Microsoft.Internal.VisualStudio.Shell.Framework" />
+      <package pattern="Microsoft.NET.StringTools" />
       <package pattern="microsoft.servicehub.*" />
       <package pattern="Microsoft.ServiceHub.Framework" />
       <package pattern="Microsoft.TeamFoundationServer.ExtendedClient" />

src/NuGet.Clients/NuGet.PackageManagement.UI/NuGet.PackageManagement.UI.csproj

@@ -1,4 +1,4 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
     <Shipping>true</Shipping>
@@ -41,8 +41,6 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.Build.Framework" />
-    <PackageReference Include="Microsoft.NET.StringTools" />
     <PackageReference Include="Microsoft.VisualStudio.Markdown.Platform" />
     <PackageReference Include="Microsoft.VisualStudio.Sdk" />
   </ItemGroup>

src/NuGet.Clients/NuGet.PackageManagement.UI/ViewModels/IPackageManagerViewModel.cs

@@ -7,5 +7,6 @@ public interface IPackageManagerControlViewModel
     {
         ItemFilter ActiveFilter { get; set; }
         bool IsSolution { get; }
+        bool IsReadmeTabEnabled { get; }
     }
 }

src/NuGet.Clients/NuGet.PackageManagement.UI/ViewModels/PackageDetailsTabViewModel.cs

@@ -3,7 +3,6 @@
 using System.ComponentModel;
 using System.Linq;
 using System.Threading;
-using System.Threading.Tasks;
 using NuGet.VisualStudio;
 using NuGet.VisualStudio.Internal.Contracts;
 using NuGet.VisualStudio.Telemetry;
@@ -34,17 +33,14 @@ public PackageDetailsTabViewModel()
             Tabs = new ObservableCollection<TitledPageViewModelBase>();
         }
 
-        public async Task InitializeAsync(DetailControlModel detailControlModel, INuGetPackageFileService nugetPackageFileService, ItemFilter currentFilter, PackageMetadataTab initialSelectedTab)
+        public void Initialize(DetailControlModel detailControlModel, INuGetPackageFileService nugetPackageFileService, ItemFilter currentFilter, PackageMetadataTab initialSelectedTab, bool isReadmeTabEnabled)
         {
-            var nuGetFeatureFlagService = await ServiceLocator.GetComponentModelServiceAsync<INuGetFeatureFlagService>();
-            _readmeTabEnabled = await nuGetFeatureFlagService.IsFeatureEnabledAsync(NuGetFeatureFlagConstants.RenderReadmeInPMUI);
-#pragma warning disable CS0618 // Type or member is obsolete
-            ReadmePreviewViewModel = new ReadmePreviewViewModel(nugetPackageFileService, currentFilter, _readmeTabEnabled);
-#pragma warning restore CS0618 // Type or member is obsolete
+            _readmeTabEnabled = isReadmeTabEnabled;
             DetailControlModel = detailControlModel;
 
             if (_readmeTabEnabled)
             {
+                ReadmePreviewViewModel = new ReadmePreviewViewModel(nugetPackageFileService, currentFilter, _readmeTabEnabled);
                 Tabs.Add(ReadmePreviewViewModel);
             }
 

src/NuGet.Clients/NuGet.PackageManagement.UI/ViewModels/ReadmePreviewViewModel.cs

@@ -35,6 +35,11 @@ public ReadmePreviewViewModel(INuGetPackageFileService packageFileService, ItemF
             IsVisible = isReadmeFeatureEnabled;
         }
 
+        public void SetVisibility(bool isVisible)
+        {
+            IsVisible = isVisible;
+        }
+
         public bool IsReadmeReady { get => !IsBusy && !ErrorWithReadme; }
 
         public bool ErrorWithReadme

src/NuGet.Clients/NuGet.PackageManagement.UI/Xamls/PackageDetailsTabControl.xaml

@@ -1,4 +1,5 @@
 <UserControl
+  x:Name="PackageDetailsTab"
   x:Class="NuGet.PackageManagement.UI.PackageDetailsTabControl"
   xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
   xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
@@ -153,9 +154,10 @@
                 Margin="0,5,0,0"/>
             </DataTemplate>
             <DataTemplate DataType="{x:Type vm:ReadmePreviewViewModel}">
-              <nuget:PackageReadmeControl
+              <ContentControl
                 Margin="22,0,0,0"
-                x:Name="_packageReadmeControl"/>
+                Content="{Binding ElementName=PackageDetailsTab, Path=PackageReadmeControl}"
+                />
             </DataTemplate>
           </ContentControl.Resources>
         </ContentControl>

src/NuGet.Clients/NuGet.PackageManagement.UI/Xamls/PackageDetailsTabControl.xaml.cs

@@ -24,8 +24,11 @@ public PackageDetailsTabControl()
         {
             InitializeComponent();
             DataContext = new PackageDetailsTabViewModel();
+            PackageReadmeControl = new PackageReadmeControl();
         }
 
+        public PackageReadmeControl PackageReadmeControl { get; private set; }
+
         public void Dispose()
         {
             Dispose(disposing: true);
@@ -41,7 +44,7 @@ protected virtual void Dispose(bool disposing)
             if (disposing)
             {
                 PackageDetailsTabViewModel.Dispose();
-                MarkdownPreviewSingleton.ResetInstance();
+                PackageReadmeControl.Dispose();
             }
             _disposed = true;
         }

src/NuGet.Clients/NuGet.PackageManagement.UI/Xamls/PackageManagerControl.xaml.cs

@@ -16,6 +16,7 @@
 using Microsoft.ServiceHub.Framework;
 using Microsoft.VisualStudio.Shell;
 using Microsoft.VisualStudio.Shell.Interop;
+using Microsoft.VisualStudio.Text.Editor;
 using Microsoft.VisualStudio.Threading;
 using NuGet.Common;
 using NuGet.Configuration;
@@ -68,6 +69,7 @@ public partial class PackageManagerControl : UserControl, IVsWindowSearch, IDisp
         private bool _disposed = false;
         private IPackageVulnerabilityService _packageVulnerabilityService;
         private INuGetPackageFileService _nugetPackageFileService;
+        private bool _isReadmeTabEnabled;
 
 
         private PackageManagerInstalledTabData _installedTabTelemetryData;
@@ -77,27 +79,34 @@ private PackageManagerControl()
             InitializeComponent();
         }
 
-        public static async ValueTask<PackageManagerControl> CreateAsync(PackageManagerModel model, INuGetUILogger uiLogger)
+        public static async ValueTask<PackageManagerControl> CreateAsync(PackageManagerModel model, INuGetUILogger uiLogger, CancellationToken cancellationToken)
         {
             Assumes.NotNull(model);
 
             var packageManagerControl = new PackageManagerControl();
-            await packageManagerControl.InitializeAsync(model, uiLogger);
+            await packageManagerControl.InitializeAsync(model, uiLogger, cancellationToken);
             return packageManagerControl;
         }
 
-        private async ValueTask InitializeAsync(PackageManagerModel model, INuGetUILogger uiLogger)
+        private async ValueTask InitializeAsync(PackageManagerModel model, INuGetUILogger uiLogger, CancellationToken cancellationToken)
         {
-            await NuGetUIThreadHelper.JoinableTaskFactory.SwitchToMainThreadAsync();
+            await NuGetUIThreadHelper.JoinableTaskFactory.SwitchToMainThreadAsync(cancellationToken);
             _sinceLastRefresh = Stopwatch.StartNew();
 
             _installedTabTelemetryData = new PackageManagerInstalledTabData();
 
             Model = model;
             _uiLogger = uiLogger;
-            Settings = await ServiceLocator.GetComponentModelServiceAsync<ISettings>();
 
+            await TaskScheduler.Default;
+            Settings = await ServiceLocator.GetComponentModelServiceAsync<ISettings>();
             _windowSearchHostFactory = await ServiceLocator.GetGlobalServiceAsync<SVsWindowSearchHostFactory, IVsWindowSearchHostFactory>();
+            var nuGetFeatureFlagService = await ServiceLocator.GetComponentModelServiceAsync<INuGetFeatureFlagService>();
+            var editorOptionsFactoryService = await ServiceLocator.GetComponentModelServiceAsync<IEditorOptionsFactoryService>();
+            NuGetExperimentationService = await ServiceLocator.GetComponentModelServiceAsync<INuGetExperimentationService>();
+            ISourceRepositoryProvider sourceRepositoryProvider = await ServiceLocator.GetComponentModelServiceAsync<ISourceRepositoryProvider>();
+            await NuGetUIThreadHelper.JoinableTaskFactory.SwitchToMainThreadAsync(cancellationToken);
+
             _serviceBroker = model.Context.ServiceBroker;
 
             if (Model.IsSolution)
@@ -146,17 +155,20 @@ private async ValueTask InitializeAsync(PackageManagerModel model, INuGetUILogge
 
             _nugetPackageFileService?.Dispose();
             _nugetPackageFileService = await _serviceBroker.GetProxyAsync<INuGetPackageFileService>(NuGetServices.PackageFileService, CancellationToken.None);
+            _isReadmeTabEnabled = await nuGetFeatureFlagService.IsFeatureEnabledAsync(NuGetFeatureFlagConstants.RenderReadmeInPMUI);
+            if (_isReadmeTabEnabled)
+            {
+                _isReadmeTabEnabled = _packageDetail._packageDetailsTabControl.PackageReadmeControl.Initialize(editorOptionsFactoryService);
+            }
 
-            await _packageDetail._packageDetailsTabControl.PackageDetailsTabViewModel.InitializeAsync(_detailModel, _nugetPackageFileService, _topPanel.Filter, settings.SelectedPackageMetadataTab);
+            _packageDetail._packageDetailsTabControl.PackageDetailsTabViewModel.Initialize(_detailModel, _nugetPackageFileService, _topPanel.Filter, settings.SelectedPackageMetadataTab, _isReadmeTabEnabled);
 
             await InitPackageSourcesAsync(settings, CancellationToken.None);
             ApplySettings(settings, Settings);
             _initialized = true;
 
             await IsCentralPackageManagementEnabledAsync(CancellationToken.None);
 
-            NuGetExperimentationService = await ServiceLocator.GetComponentModelServiceAsync<INuGetExperimentationService>();
-
             // UI is initialized. Start the first search
             _packageList.CheckBoxesEnabled = _topPanel.Filter == ItemFilter.UpdatesAvailable;
             _packageList.IsSolution = Model.IsSolution;
@@ -170,7 +182,6 @@ private async ValueTask InitializeAsync(PackageManagerModel model, INuGetUILogge
                 controller.PackageManagerControl = this;
             }
 
-            ISourceRepositoryProvider sourceRepositoryProvider = await ServiceLocator.GetComponentModelServiceAsync<ISourceRepositoryProvider>();
             var sourceRepositories = sourceRepositoryProvider.GetRepositories();
             _packageVulnerabilityService = new PackageVulnerabilityService(sourceRepositories, _uiLogger);
 
@@ -210,6 +221,8 @@ private void Settings_SettingsChanged(object sender, EventArgs e)
 
         public ItemFilter ActiveFilter { get => _topPanel.Filter; set => _topPanel.SelectFilter(value); }
 
+        public bool IsReadmeTabEnabled => _isReadmeTabEnabled;
+
         public bool IsSolution => Model.IsSolution;
 
         internal InfiniteScrollList PackageList => _packageList;

src/NuGet.Clients/NuGet.PackageManagement.UI/Xamls/PackageReadmeControl.xaml

@@ -1,5 +1,6 @@
 <UserControl
   x:Class="NuGet.PackageManagement.UI.PackageReadmeControl"
+  x:Name="PackageReadmeUserControl"
   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"
@@ -13,7 +14,6 @@
   Background="{DynamicResource {x:Static nuget:Brushes.DetailPaneBackground}}"
   Foreground="{DynamicResource {x:Static nuget:Brushes.UIText}}"
   DataContextChanged="UserControl_DataContextChanged"
-  Unloaded="PackageReadmeControl_Unloaded"
   Loaded="PackageReadmeControl_Loaded"
   mc:Ignorable="d"
   d:DesignHeight="300"
@@ -30,11 +30,11 @@
       x:Name="descriptionMarkdownPreview"
       ClipToBounds="True"
       Focusable="False"
-      Visibility="{Binding Path=IsReadmeReady, Mode=OneWay, FallbackValue=Collapsed, Converter={StaticResource BooleanToVisibilityConverter}}" />
+      Visibility="{Binding ElementName=PackageReadmeUserControl, Path=IsReadmeReady, Mode=OneWay, FallbackValue=Collapsed, Converter={StaticResource BooleanToVisibilityConverter}}" />
     <Grid
       HorizontalAlignment="Center"
       VerticalAlignment="Center"
-      Visibility="{Binding Path=IsBusy, Mode=OneWay, FallbackValue=Visible, Converter={StaticResource BooleanToVisibilityConverter}}" >
+      Visibility="{Binding ElementName=PackageReadmeUserControl, Path=IsBusy, Mode=OneWay, FallbackValue=Visible, Converter={StaticResource BooleanToVisibilityConverter}}" >
       <Grid.ColumnDefinitions>
         <ColumnDefinition Width="Auto"/>
         <ColumnDefinition Width="Auto"/>
@@ -60,10 +60,10 @@
         <vs:LiveTextBlock.Resources>
           <Style TargetType="vs:LiveTextBlock">
             <Style.Triggers>
-              <DataTrigger Binding="{Binding Path=IsBusy}" Value="True">
+              <DataTrigger Binding="{Binding ElementName=PackageReadmeUserControl, Path=IsBusy}" Value="True">
                 <Setter Property="Text" Value="{x:Static nuget:Resources.Text_LoadingReadme}"/>
               </DataTrigger>
-              <DataTrigger Binding="{Binding Path=IsBusy}" Value="False">
+              <DataTrigger Binding="{Binding ElementName=PackageReadmeUserControl, Path=IsBusy}" Value="False">
                 <Setter Property="Text" Value="{x:Static nuget:Resources.Text_ReadmeLoaded}"/>
               </DataTrigger>
             </Style.Triggers>