From 5a077f9006ec592d6e4d5c22e6dec360b323aa9d Mon Sep 17 00:00:00 2001
From: Vic <10308169+VictoriousRaptor@users.noreply.github.com>
Date: Sun, 27 Nov 2022 17:07:21 +0800
Subject: [PATCH] Fix preview image size when PreviewImage is null

---
 Flow.Launcher/ViewModel/ResultViewModel.cs | 32 ++++++++++++----------
 1 file changed, 18 insertions(+), 14 deletions(-)

diff --git a/Flow.Launcher/ViewModel/ResultViewModel.cs b/Flow.Launcher/ViewModel/ResultViewModel.cs
index 99528a9a7..f20c18ab9 100644
--- a/Flow.Launcher/ViewModel/ResultViewModel.cs
+++ b/Flow.Launcher/ViewModel/ResultViewModel.cs
@@ -28,10 +28,11 @@ namespace Flow.Launcher.ViewModel
             }
             Result = result;
 
-            PreviewExtension = Path.GetExtension(result.PreviewImage ?? result.SubTitle);
-            if (PreviewExtension != null)
+            var extension = Path.GetExtension(result.PreviewImage);
+            if (!string.IsNullOrEmpty(extension))
             {
-                PreviewExtension = PreviewExtension.ToLowerInvariant();
+                // only when explicitly specified PreviewImage
+                PreviewIsImageOrVideo = IsMedia(extension.ToLowerInvariant());
             }
 
             if (Result.Glyph is { FontFamily: not null } glyph)
@@ -173,18 +174,21 @@ namespace Flow.Launcher.ViewModel
             private set => previewImage = value;
         }
 
-        public string PreviewExtension { get; set; }
+        public bool PreviewIsImageOrVideo { get; set; } = false;
 
-        public bool PreviewIsImageOrVideo => PreviewExtension is ".jpg"
-            or ".png"
-            or ".avi"
-            or ".mkv"
-            or ".bmp"
-            or ".gif"
-            or ".wmv"
-            or ".mp3"
-            or ".flac"
-            or ".mp4";
+        public bool IsMedia(string extension)
+        {
+            return extension is ".jpg"
+                or ".png"
+                or ".avi"
+                or ".mkv"
+                or ".bmp"
+                or ".gif"
+                or ".wmv"
+                or ".mp3"
+                or ".flac"
+                or ".mp4";
+        }
 
         public GlyphInfo Glyph { get; set; }