Track the telemetry

src/EditorFeatures/Core.Wpf/InlineRename/UI/SmartRename/SmartRenameViewModel.cs

@@ -16,11 +16,12 @@
 using Microsoft.CodeAnalysis.EditorFeatures.Lightup;
 using Microsoft.CodeAnalysis.Options;
 using Microsoft.CodeAnalysis.Shared.TestHooks;
+using Microsoft.CodeAnalysis.Telemetry;
 using Microsoft.VisualStudio.PlatformUI;
 
 namespace Microsoft.CodeAnalysis.InlineRename.UI.SmartRename;
 
-internal sealed class SmartRenameViewModel : INotifyPropertyChanged, IDisposable
+internal sealed partial class SmartRenameViewModel : INotifyPropertyChanged, IDisposable
 {
 #pragma warning disable CS0618 // Editor team use Obsolete attribute to mark potential changing API
     private readonly ISmartRenameSessionWrapper _smartRenameSession;
@@ -124,6 +125,7 @@ public SmartRenameViewModel(
         var getSuggestionsAutomatically = _globalOptionService.GetOption(InlineRenameUIOptionsStorage.GetSuggestionsAutomatically);
         IsUsingResultPanel = getSuggestionsAutomatically;
         IsUsingDropdown = !IsUsingResultPanel;
+        SetupTelemetry();
         if (IsUsingResultPanel && IsSuggestionsPanelExpanded)
         {
             OnGetSuggestionsCommandExecute();
@@ -142,6 +144,11 @@ private void OnGetSuggestionsCommandExecute()
         {
             var listener = _listenerProvider.GetListener(FeatureAttribute.SmartRename);
             var listenerToken = listener.BeginAsyncOperation(nameof(_smartRenameSession.GetSuggestionsAsync));
+            if (IsUsingDropdown && _suggestionsDropdownTelemetry is not null)
+            {
+                _suggestionsDropdownTelemetry.DropdownButtonClickTimes += 1;
+            }
+
             _getSuggestionsTask = _smartRenameSession.GetSuggestionsAsync(_cancellationTokenSource.Token).CompletesAsyncOperation(listenerToken);
         }
     }
@@ -198,12 +205,14 @@ public void Cancel()
         _cancellationTokenSource.Cancel();
         // It's needed by editor-side telemetry.
         _smartRenameSession.OnCancel();
+        PostTelemetry(isCommit: false);
     }
 
     public void Commit(string finalIdentifierName)
     {
         // It's needed by editor-side telemetry.
         _smartRenameSession.OnSuccess(finalIdentifierName);
+        PostTelemetry(isCommit: true);
     }
 
     public void Dispose()

src/EditorFeatures/Core.Wpf/InlineRename/UI/SmartRename/SmartRenameViewModel_Telemetry.cs

@@ -0,0 +1,65 @@
+using System.Diagnostics.CodeAnalysis;
+using Microsoft.CodeAnalysis.Editor.InlineRename;
+using Microsoft.CodeAnalysis.Internal.Log;
+using Microsoft.CodeAnalysis.Telemetry;
+using Roslyn.Utilities;
+
+namespace Microsoft.CodeAnalysis.InlineRename.UI.SmartRename
+{
+    internal partial class SmartRenameViewModel
+    {
+        private SuggestionsPanelTelemetry? _suggestionsPanelTelemetry;
+        private SuggestionsDropdownTelemetry? _suggestionsDropdownTelemetry;
+
+        private sealed class SuggestionsPanelTelemetry
+        {
+            public bool CollapseSuggestionsPanelWhenRenameStarts { get; set; }
+        }
+
+        private sealed class SuggestionsDropdownTelemetry
+        {
+            public int DropdownButtonClickTimes { get; set; }
+        }
+
+        private void SetupTelemetry()
+        {
+            var getSuggestionsAutomatically = _globalOptionService.GetOption(InlineRenameUIOptionsStorage.GetSuggestionsAutomatically);
+            if (getSuggestionsAutomatically)
+            {
+                _suggestionsPanelTelemetry = new SuggestionsPanelTelemetry
+                {
+                    CollapseSuggestionsPanelWhenRenameStarts = _globalOptionService.GetOption(InlineRenameUIOptionsStorage.CollapseSuggestionsPanel)
+                };
+            }
+            else
+            {
+                _suggestionsDropdownTelemetry = new SuggestionsDropdownTelemetry();
+            }
+        }
+
+        private void PostTelemetry(bool isCommit)
+        {
+            if (_suggestionsPanelTelemetry is not null)
+            {
+                RoslynDebug.Assert(_suggestionsDropdownTelemetry is null);
+                TelemetryLogging.Log(FunctionId.Copilot_Rename, KeyValueLogMessage.Create(m =>
+                {
+                    m[nameof(isCommit)] = isCommit;
+                    m["UseSuggestionsPanel"] = true;
+                    m[nameof(SuggestionsPanelTelemetry.CollapseSuggestionsPanelWhenRenameStarts)] = _suggestionsPanelTelemetry.CollapseSuggestionsPanelWhenRenameStarts;
+                    m["CollapseSuggestionsPanelWhenRenameEnds"] = _globalOptionService.GetOption(InlineRenameUIOptionsStorage.CollapseSuggestionsPanel);
+                }));
+            }
+            else
+            {
+                RoslynDebug.Assert(_suggestionsDropdownTelemetry is not null);
+                TelemetryLogging.Log(FunctionId.Copilot_Rename, KeyValueLogMessage.Create(m =>
+                {
+                    m[nameof(isCommit)] = isCommit;
+                    m["UseDropDown"] = true;
+                    m[nameof(SuggestionsDropdownTelemetry.DropdownButtonClickTimes)] = _suggestionsDropdownTelemetry.DropdownButtonClickTimes;
+                }));
+            }
+        }
+    }
+}

src/Workspaces/SharedUtilitiesAndExtensions/Compiler/Core/Log/FunctionId.cs

@@ -624,4 +624,5 @@ internal enum FunctionId
 
     // 800-850 for Copilot performance logging.
     Copilot_Suggestion_Dismissed = 800,
+    Copilot_Rename = 851
 }