thumbnail: Split thumbnail scale calculation into a functioncherry-pick-a940f71b

(cherry picked from commit 3bb125b0c1672c18395cf3e2ea90737a4e3b876f)

(cherry picked from commit a940f71b8e78780eb46c233892f8684236375c02)

Co-authored-by: Khalid Abu Shawarib <khalid.shawarib@gmail.com>

1 files changed, 19 insertions, 6 deletions

diff --git a/src/nautilus-thumbnails.c b/src/nautilus-thumbnails.c
index 9be632fca..d81d704da 100644
--- a/src/nautilus-thumbnails.c
+++ b/src/nautilus-thumbnails.c
@@ -127,17 +127,17 @@ free_thumbnail_info (NautilusThumbnailInfo *info)
     g_free (info);
 }
 
-static GnomeDesktopThumbnailFactory *
-get_thumbnail_factory (void)
+static GnomeDesktopThumbnailSize
+get_thumbnail_scale (void)
 {
-    static GnomeDesktopThumbnailFactory *thumbnail_factory = NULL;
+    static gint max_scale = 0;
+    static GnomeDesktopThumbnailSize size;
 
-    if (G_UNLIKELY (thumbnail_factory == NULL))
+    if (G_UNLIKELY (max_scale == 0))
     {
         GdkDisplay *display = gdk_display_get_default ();
         GListModel *monitors = gdk_display_get_monitors (display);
-        gint max_scale = 1;
-        GnomeDesktopThumbnailSize size;
+        max_scale = 1;
 
         for (guint i = 0; i < g_list_model_get_n_items (monitors); i++)
         {
@@ -158,6 +158,19 @@ get_thumbnail_factory (void)
         {
             size = GNOME_DESKTOP_THUMBNAIL_SIZE_XXLARGE;
         }
+    }
+
+    return size;
+}
+
+static GnomeDesktopThumbnailFactory *
+get_thumbnail_factory (void)
+{
+    static GnomeDesktopThumbnailFactory *thumbnail_factory = NULL;
+
+    if (G_UNLIKELY (thumbnail_factory == NULL))
+    {
+        GnomeDesktopThumbnailSize size = get_thumbnail_scale ();
 
         thumbnail_factory = gnome_desktop_thumbnail_factory_new (size);
     }