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Improve WindowsThumbnailProvider

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Jack251970 2025-04-15 12:52:09 +08:00
parent 8e51096ba9
commit a1b5941039
1 changed files with 11 additions and 3 deletions
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14
Flow.Launcher.Infrastructure/Image/ThumbnailReader.cs
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@ -12,7 +12,7 @@ using Windows.Win32.Graphics.Gdi;
namespace Flow.Launcher.Infrastructure.Image
{
/// <summary>
/// Subclass of <see cref="Windows.Win32.UI.Shell.SIIGBF"/>
/// Subclass of <see cref="SIIGBF"/>
/// </summary>
[Flags]
public enum ThumbnailOptions
@ -33,6 +33,8 @@ namespace Flow.Launcher.Infrastructure.Image
private static readonly HRESULT S_ExtractionFailed = (HRESULT)0x8004B200;
private static readonly HRESULT S_PATHNOTFOUND = (HRESULT)0x8004B205;
public static BitmapSource GetThumbnail(string fileName, int width, int height, ThumbnailOptions options)
{
HBITMAP hBitmap = GetHBitmap(Path.GetFullPath(fileName), width, height, options);
@ -79,9 +81,10 @@ namespace Flow.Launcher.Infrastructure.Image
{
imageFactory.GetImage(size, (SIIGBF)options, &hBitmap);
}
catch (COMException ex) when (ex.HResult == S_ExtractionFailed && options == ThumbnailOptions.ThumbnailOnly)
catch (COMException ex) when (options == ThumbnailOptions.ThumbnailOnly &&
(ex.HResult == S_PATHNOTFOUND || ex.HResult == S_ExtractionFailed))
{
// Fallback to IconOnly if ThumbnailOnly fails
// Fallback to IconOnly if extraction fails or files cannot be found
imageFactory.GetImage(size, (SIIGBF)ThumbnailOptions.IconOnly, &hBitmap);
}
catch (FileNotFoundException) when (options == ThumbnailOptions.ThumbnailOnly)
@ -89,6 +92,11 @@ namespace Flow.Launcher.Infrastructure.Image
// Fallback to IconOnly if files cannot be found
imageFactory.GetImage(size, (SIIGBF)ThumbnailOptions.IconOnly, &hBitmap);
}
catch (System.Exception ex)
{
// Handle other exceptions
throw new InvalidOperationException("Failed to get thumbnail", ex);
}
}
finally
{