PR3: Display Coordinator & UI Integration Improvements (AST-109633)

ast-visual-studio-extension/CxExtension/Commands/ErrorListContextMenuCommand.cs

@@ -32,8 +32,9 @@ private ErrorListContextMenuCommand(AsyncPackage package, OleMenuCommandService
 
             AddCommand(FixCommandId, OnFixWithAssist);
             AddCommand(ViewDetailsCommandId, OnViewDetails);
-            AddCommand(IgnoreThisCommandId, OnIgnoreThis, v => CxAssistConstants.GetIgnoreThisLabel(v.Scanner));
-            AddCommand(IgnoreAllCommandId, OnIgnoreAll, v => CxAssistConstants.GetIgnoreAllLabel(v.Scanner));
+            // TODO: Ignore feature not yet implemented - hidden for now
+            // AddCommand(IgnoreThisCommandId, OnIgnoreThis, v => CxAssistConstants.GetIgnoreThisLabel(v.Scanner));
+            // AddCommand(IgnoreAllCommandId, OnIgnoreAll, v => CxAssistConstants.GetIgnoreAllLabel(v.Scanner));
         }
 
         public static ErrorListContextMenuCommand Instance { get; private set; }

ast-visual-studio-extension/CxExtension/CxAssist/Core/AssistDocumentInfoBar.cs

@@ -0,0 +1,112 @@
+using System;
+using System.Threading.Tasks;
+using Microsoft.VisualStudio;
+using Microsoft.VisualStudio.Imaging;
+using Microsoft.VisualStudio.Imaging.Interop;
+using Microsoft.VisualStudio.Shell;
+using Microsoft.VisualStudio.Shell.Interop;
+
+namespace ast_visual_studio_extension.CxExtension.CxAssist.Core
+{
+    /// <summary>
+    /// Shows an <see cref="IVsInfoBarHost"/> strip on the active code document window (above the editor),
+    /// not the IDE main-window info bar or status bar.
+    /// </summary>
+    internal static class AssistDocumentInfoBar
+    {
+        private sealed class InfoBarUiSink : IVsInfoBarUIEvents
+        {
+            private uint _cookie;
+
+            public void Register(IVsInfoBarUIElement element)
+            {
+                ThreadHelper.ThrowIfNotOnUIThread();
+                element?.Advise(this, out _cookie);
+            }
+
+            public void OnClosed(IVsInfoBarUIElement infoBarUIElement)
+            {
+                ThreadHelper.ThrowIfNotOnUIThread();
+                try
+                {
+                    infoBarUIElement?.Unadvise(_cookie);
+                }
+                catch
+                {
+                }
+            }
+
+            public void OnActionItemClicked(IVsInfoBarUIElement infoBarUIElement, IVsInfoBarActionItem actionItem)
+            {
+            }
+        }
+
+        /// <summary>
+        /// Shows a warning info bar on the given document window frame. Invokes <paramref name="fallback"/>
+        /// when the frame has no document info bar host or services are unavailable.
+        /// </summary>
+        public static void TryShowWarning(IVsWindowFrame documentFrame, string message, Action fallback)
+        {
+            ThreadHelper.ThrowIfNotOnUIThread();
+
+            if (documentFrame == null || string.IsNullOrEmpty(message))
+            {
+                fallback?.Invoke();
+                return;
+            }
+
+            try
+            {
+                if (ErrorHandler.Failed(documentFrame.GetProperty((int)__VSFPROPID7.VSFPROPID_InfoBarHost, out object hostObj)))
+                {
+                    fallback?.Invoke();
+                    return;
+                }
+
+                var host = hostObj as IVsInfoBarHost;
+                if (host == null)
+                {
+                    fallback?.Invoke();
+                    return;
+                }
+
+                var sp = ServiceProvider.GlobalProvider;
+                var factory = sp?.GetService(typeof(SVsInfoBarUIFactory)) as IVsInfoBarUIFactory;
+                if (factory == null)
+                {
+                    fallback?.Invoke();
+                    return;
+                }
+
+                var text = new InfoBarTextSpan(message);
+                var model = new InfoBarModel(new[] { text }, KnownMonikers.StatusWarning, isCloseButtonVisible: true);
+                IVsInfoBarUIElement element = factory.CreateInfoBar(model);
+
+                var sink = new InfoBarUiSink();
+                sink.Register(element);
+
+                host.AddInfoBar(element);
+
+                _ = DismissDocumentInfoBarAsync(host, element, delayMs: 20000);
+            }
+            catch (Exception ex)
+            {
+                System.Diagnostics.Debug.WriteLine("[CxAssist] AssistDocumentInfoBar: " + ex.Message);
+                fallback?.Invoke();
+            }
+        }
+
+        private static async Task DismissDocumentInfoBarAsync(IVsInfoBarHost host, IVsInfoBarUIElement element, int delayMs)
+        {
+            await Task.Delay(delayMs).ConfigureAwait(false);
+            try
+            {
+                await ThreadHelper.JoinableTaskFactory.SwitchToMainThreadAsync();
+                host?.RemoveInfoBar(element);
+            }
+            catch
+            {
+            }
+        }
+    }
+}