Add inactivity safeguard and speaker diagnostics

2026-06-02 13:16:02 +02:00
parent c56ecb6ab3
commit 0e9d525b63
24 changed files with 1780 additions and 117 deletions
@@ -0,0 +1,74 @@
+using System.Drawing;
+using System.Drawing.Drawing2D;
+using System.Drawing.Imaging;
+using System.Drawing.Text;
+using System.Runtime.InteropServices;
+using System.Runtime.Versioning;
+using MeetingAssistant.Recording;
+
+namespace MeetingAssistant.Taskbar;
+
+[SupportedOSPlatform("windows")]
+internal static class TaskbarIconRenderer
+{
+    private const int IconSize = 16;
+    private const float GlyphPixelGridOffsetX = -0.5f;
+
+    public static Icon CreateIcon(RecordingProcessState state)
+    {
+        using var bitmap = RenderBitmap(state);
+        var handle = bitmap.GetHicon();
+        try
+        {
+            return (Icon)Icon.FromHandle(handle).Clone();
+        }
+        finally
+        {
+            DestroyIcon(handle);
+        }
+    }
+
+    internal static Bitmap RenderBitmap(RecordingProcessState state)
+    {
+        var (color, text) = state switch
+        {
+            RecordingProcessState.Recording => (Color.FromArgb(220, 38, 38), "R"),
+            RecordingProcessState.Summarizing => (Color.FromArgb(37, 99, 235), "S"),
+            _ => (Color.FromArgb(75, 85, 99), "I")
+        };
+
+        var bitmap = new Bitmap(IconSize, IconSize, PixelFormat.Format32bppArgb);
+        using var graphics = Graphics.FromImage(bitmap);
+        graphics.Clear(Color.Transparent);
+        graphics.SmoothingMode = SmoothingMode.AntiAlias;
+        graphics.TextRenderingHint = TextRenderingHint.AntiAliasGridFit;
+        using var brush = new SolidBrush(color);
+        graphics.FillEllipse(brush, 1, 1, 14, 14);
+        DrawCenteredGlyph(graphics, text);
+        return bitmap;
+    }
+
+    private static void DrawCenteredGlyph(Graphics graphics, string text)
+    {
+        using var path = new GraphicsPath();
+        using var format = StringFormat.GenericTypographic;
+        path.AddString(
+            text,
+            FontFamily.GenericSansSerif,
+            (int)FontStyle.Bold,
+            9,
+            Point.Empty,
+            format);
+        var bounds = path.GetBounds();
+        using var transform = new Matrix();
+        transform.Translate(
+            (IconSize - bounds.Width) / 2 - bounds.Left + GlyphPixelGridOffsetX,
+            (IconSize - bounds.Height) / 2 - bounds.Top);
+        path.Transform(transform);
+        using var textBrush = new SolidBrush(Color.White);
+        graphics.FillPath(textBrush, path);
+    }
+
+    [DllImport("user32.dll", SetLastError = true)]
+    private static extern bool DestroyIcon(IntPtr hIcon);
+}