Use event aggregator

FineCodeCoverage/FineCodeCoverage.csproj

@@ -121,6 +121,9 @@
     <PackageReference Include="CliWrap">
       <Version>3.2.2</Version>
     </PackageReference>
+    <PackageReference Include="EventAggregator.Net">
+      <Version>1.2.0</Version>
+    </PackageReference>
     <PackageReference Include="ExCSS">
       <Version>4.1.1</Version>
     </PackageReference>

FineCodeCoverage2022/FineCodeCoverage2022.csproj

@@ -119,6 +119,9 @@
     <PackageReference Include="CliWrap">
       <Version>3.2.2</Version>
     </PackageReference>
+    <PackageReference Include="EventAggregator.Net">
+      <Version>1.2.0</Version>
+    </PackageReference>
     <PackageReference Include="ExCSS">
       <Version>4.1.1</Version>
     </PackageReference>

FineCodeCoverageTests/FCCEngine_Tests.cs

@@ -35,11 +35,6 @@ public void SetUp()
                 updatedMarginTags = true;
             };
 
-
-            fccEngine.UpdateOutputWindow += (UpdateOutputWindowEventArgs e) =>
-            {
-                htmlContent = e.HtmlContent;
-            };
         }
 
         [Test]
@@ -104,7 +99,6 @@ public class FCCEngine_ReloadCoverage_Tests
         private FCCEngine fccEngine;
         private List<UpdateMarginTagsEventArgs> updateMarginTagsEvents;
         private List<List<CoverageLine>> updateMarginTagsCoverageLines;
-        private List<UpdateOutputWindowEventArgs> updateOutputWindowEvents;
 
         [SetUp]
         public void SetUp()
@@ -114,18 +108,12 @@ public void SetUp()
 
             updateMarginTagsEvents = new List<UpdateMarginTagsEventArgs>();
             updateMarginTagsCoverageLines = new List<List<CoverageLine>>();
-            updateOutputWindowEvents = new List<UpdateOutputWindowEventArgs>();
 
             fccEngine.UpdateMarginTags += (UpdateMarginTagsEventArgs e) =>
             {
                 updateMarginTagsEvents.Add(e);
                 updateMarginTagsCoverageLines.Add(fccEngine.CoverageLines);
             };
-
-            fccEngine.UpdateOutputWindow += (UpdateOutputWindowEventArgs e) =>
-            {
-                updateOutputWindowEvents.Add(e);
-            };
         }
 
         [Test]
@@ -411,7 +399,6 @@ private void VerifyLogsReloadCoverageStatus(ReloadCoverageStatus reloadCoverageS
         private void VerifyClearUIEvents(int eventNumber)
         {
             Assert.Null(updateMarginTagsCoverageLines[eventNumber]);
-            Assert.Null(updateOutputWindowEvents[eventNumber].HtmlContent);
         }
 
         private async Task<(string reportGeneratedHtmlContent, List<CoverageLine> updatedCoverageLines)> RunToCompletion(bool noCoverageProjects)

FineCodeCoverageTests/FineCodeCoverageTests.csproj

@@ -94,6 +94,7 @@
     <Compile Include="CoverageToolOutput_Tests\FccOutputExistenceCoverageToolOutputFolderSolutionProvider_Tests.cs" />
     <Compile Include="CoverageToolOutput_Tests\SolutionFolderProvider_Tests.cs" />
     <Compile Include="CoverageUtilManager_Tests.cs" />
+    <Compile Include="Events\EventAggregator.cs" />
     <Compile Include="Test helpers\MefOrderAssertions.cs" />
     <Compile Include="ToolFolder_Tests.cs" />
     <Compile Include="ToolZipProvider_Tests.cs" />

FineCodeCoverageTests/ScriptManager_Tests.cs

@@ -1,4 +1,5 @@
 using System.Threading.Tasks;
+using FineCodeCoverage.Core.Utilities;
 using FineCodeCoverage.Engine;
 using FineCodeCoverage.Output;
 using Moq;
@@ -11,13 +12,15 @@ public class ScriptManager_When_Called_Back_Window_External
         private ScriptManager scriptManager;
         private Mock<ISourceFileOpener> sourceFileOpener;
         private Mock<IProcess> mockProcess;
+        private Mock<IEventAggregator> mockEventAggregator;
 
         [SetUp]
         public void SetUp()
         {
             sourceFileOpener = new Mock<ISourceFileOpener>();
             mockProcess = new Mock<IProcess>();
-            scriptManager = new ScriptManager(sourceFileOpener.Object, mockProcess.Object);
+            mockEventAggregator = new Mock<IEventAggregator>();
+            scriptManager = new ScriptManager(sourceFileOpener.Object, mockProcess.Object, mockEventAggregator.Object);
         }
 
         [Test]
@@ -42,12 +45,10 @@ public void RateAndReview_Should_Open_Market_Place_Rate_And_Review()
         }
 
         [Test]
-        public void DocumentFocused_Should_Call_The_Focus_Callback()
+        public void DocumentFocused_Should_Send_Message()
         {
-            var calledCallback = false;
-            scriptManager.FocusCallback = () => calledCallback = true;
             scriptManager.DocumentFocused();
-            Assert.True(calledCallback);
+            mockEventAggregator.Verify(e => e.SendMessage(It.IsAny<ReportFocusedMessage>(), null));
         }
 
         [Test]

FineCodeCoverageTests/packages.config

@@ -3,6 +3,7 @@
   <package id="AutoMoq" version="2.0.0" targetFramework="net472" />
   <package id="Castle.Core" version="4.4.1" targetFramework="net472" />
   <package id="CommonServiceLocator" version="1.3" targetFramework="net472" />
+  <package id="EventAggregator.Net" version="1.2" targetFramework="net472" />
   <package id="Microsoft.VisualStudio.TestWindow.Interfaces" version="11.0.61030" targetFramework="net472" />
   <package id="Moq" version="4.16.0" targetFramework="net472" />
   <package id="NUnit" version="3.13.1" targetFramework="net472" />

SharedProject/Core/CoverageUIEvents.cs

@@ -5,11 +5,5 @@ namespace FineCodeCoverage.Engine
     internal class UpdateMarginTagsEventArgs : EventArgs { 
 	}
 
-	internal class UpdateOutputWindowEventArgs : EventArgs
-	{
-		public string HtmlContent { get; set; }
-	}
-
 	internal delegate void UpdateMarginTagsDelegate(UpdateMarginTagsEventArgs e);
-	internal delegate void UpdateOutputWindowDelegate(UpdateOutputWindowEventArgs e);
 }

SharedProject/Core/FCCEngine.cs

@@ -3,7 +3,6 @@
 using System.ComponentModel.Composition;
 using System.Linq;
 using System.Threading;
-using System.Windows;
 using FineCodeCoverage.Core.Utilities;
 using FineCodeCoverage.Engine.Cobertura;
 using FineCodeCoverage.Engine.Model;
@@ -25,33 +24,10 @@ internal class FCCEngine : IFCCEngine
         private CancellationTokenSource cancellationTokenSource;
 
         public event UpdateMarginTagsDelegate UpdateMarginTags;
-        public event UpdateOutputWindowDelegate UpdateOutputWindow;
 
         public string AppDataFolderPath { get; private set; }
         public List<CoverageLine> CoverageLines { get; internal set; }
 
-        private DpiScale dpiScale;
-        public DpiScale Dpi
-        {
-            get => dpiScale; 
-            set
-            {
-                reportGeneratorUtil.DpiScale = value;
-                dpiScale = value;
-                UpdateReportWithDpiFontChanges();
-
-            }
-        }
-        private FontDetails environmentFontDetails;
-        public FontDetails EnvironmentFontDetails {
-            get => environmentFontDetails;
-            set {
-                environmentFontDetails = value;
-                reportGeneratorUtil.EnvironmentFontDetails = value;
-                UpdateReportWithDpiFontChanges();
-            } 
-        }
-
         private readonly ICoverageUtilManager coverageUtilManager;
         private readonly ICoberturaUtil coberturaUtil;
         private readonly IMsTestPlatformUtil msTestPlatformUtil;
@@ -64,7 +40,7 @@ public FontDetails EnvironmentFontDetails {
         private readonly ICoverageToolOutputManager coverageOutputManager;
         internal System.Threading.Tasks.Task reloadCoverageTask;
         private ISolutionEvents solutionEvents; // keep alive
-        private bool hasGeneratedReport;
+        private readonly IEventAggregator eventAggregator;
 
         [ImportingConstructor]
         public FCCEngine(
@@ -77,10 +53,12 @@ public FCCEngine(
             IAppDataFolder appDataFolder,
             ICoverageToolOutputManager coverageOutputManager,
             ISolutionEvents solutionEvents,
-            IAppOptionsProvider appOptionsProvider
+            IAppOptionsProvider appOptionsProvider,
+            IEventAggregator eventAggregator
             )
         {
             this.solutionEvents = solutionEvents;
+            this.eventAggregator = eventAggregator;
             solutionEvents.AfterClosing += (s,args) => ClearOutputWindow(false);
             appOptionsProvider.OptionsChanged += (appOptions) =>
             {
@@ -132,14 +110,6 @@ private void ClearOutputWindow(bool withHistory)
             RaiseUpdateOutputWindow(reportGeneratorUtil.BlankReport(withHistory));
         }
 
-        private void UpdateReportWithDpiFontChanges()
-        {
-            if (hasGeneratedReport)
-            {
-                reportGeneratorUtil.UpdateReportWithDpiFontChanges();
-            }
-        }
-
         public void StopCoverage()
         {
             if (cancellationTokenSource != null)
@@ -209,9 +179,7 @@ await coverageProject.StepAsync("Run Coverage Tool", async (project) =>
 
         private void RaiseUpdateOutputWindow(string reportHtml)
         {
-            UpdateOutputWindowEventArgs updateOutputWindowEventArgs = new UpdateOutputWindowEventArgs { HtmlContent = reportHtml};
-            UpdateOutputWindow?.Invoke(updateOutputWindowEventArgs);
-            hasGeneratedReport = true;
+            eventAggregator.SendMessage(new NewReportMessage { Report = reportHtml });
         }
 
         private void UpdateUI(List<CoverageLine> coverageLines, string reportHtml)
@@ -362,11 +330,6 @@ public void ReloadCoverage(Func<System.Threading.Tasks.Task<List<ICoverageProjec
               }, System.Threading.Tasks.TaskScheduler.Default);
 
         }
-
-        public void ReadyForReport()
-        {
-            ClearOutputWindow(false);
-        }
     }
 
 }

SharedProject/Core/IFCCEngine.cs

@@ -1,28 +1,20 @@
 using System;
 using System.Collections.Generic;
-using System.Windows;
 using FineCodeCoverage.Engine.Model;
 using FineCodeCoverage.Impl;
-using FineCodeCoverage.Output;
 
 namespace FineCodeCoverage.Engine
 {
     internal interface IFCCEngine
     {
         event UpdateMarginTagsDelegate UpdateMarginTags;
-        event UpdateOutputWindowDelegate UpdateOutputWindow;
         string AppDataFolderPath { get; }
         void Initialize(IInitializeStatusProvider initializeStatusProvider);
         void StopCoverage();
         void ReloadCoverage(Func<System.Threading.Tasks.Task<List<ICoverageProject>>> coverageRequestCallback);
 
-        DpiScale Dpi { get; set; }
-
         void ClearUI();
         List<CoverageLine> CoverageLines { get; }
-        FontDetails EnvironmentFontDetails { get; set; }
-
-        void ReadyForReport();
     }
 
 }