[nautilus/wip/antoniof/gnome-42: 51/72] Revert "icon-info: Remove unused or single-use API"

[António Fernandes <antoniof src gnome org>]

commit dcd89f363e8123ac10bb0ab84013957ee47b455e
Author: Ondrej Holy <oholy redhat com>
Date:   Fri Feb 11 14:35:55 2022 +0100

    Revert "icon-info: Remove unused or single-use API"
    
    This reverts commit 88b3e193476660a8dcbf760acf0cbd86d900fe0a.

 src/nautilus-files-view.c        | 12 ++++++--
 src/nautilus-icon-info.c         | 65 +++++++++++++++++++++++++++++++++++++++-
 src/nautilus-icon-info.h         |  9 ++++++
 src/nautilus-properties-window.c |  6 ++--
 4 files changed, 86 insertions(+), 6 deletions(-)
---
diff --git a/src/nautilus-files-view.c b/src/nautilus-files-view.c
index 097be8cca..0ff80b1c7 100644
--- a/src/nautilus-files-view.c
+++ b/src/nautilus-files-view.c
@@ -4867,9 +4867,17 @@ static GdkPixbuf *
 get_menu_icon_for_file (NautilusFile *file,
                         GtkWidget    *widget)
 {
-    int scale = gtk_widget_get_scale_factor (widget);
+    NautilusIconInfo *info;
+    GdkPixbuf *pixbuf;
+    int scale;
 
-    return nautilus_file_get_icon_pixbuf (file, 16, scale, 0);
+    scale = gtk_widget_get_scale_factor (widget);
+
+    info = nautilus_file_get_icon (file, 16, scale, 0);
+    pixbuf = nautilus_icon_info_get_pixbuf_nodefault_at_size (info, NAUTILUS_LIST_ICON_SIZE_SMALL);
+    g_object_unref (info);
+
+    return pixbuf;
 }
 
 static GList *
diff --git a/src/nautilus-icon-info.c b/src/nautilus-icon-info.c
index c4586da3d..8bf8a112c 100644
--- a/src/nautilus-icon-info.c
+++ b/src/nautilus-icon-info.c
@@ -471,7 +471,38 @@ nautilus_icon_info_lookup (GIcon *icon,
     }
 }
 
-static GdkPixbuf *
+NautilusIconInfo *
+nautilus_icon_info_lookup_from_name (const char *name,
+                                     int         size,
+                                     int         scale)
+{
+    GIcon *icon;
+    NautilusIconInfo *info;
+
+    icon = g_themed_icon_new (name);
+    info = nautilus_icon_info_lookup (icon, size, scale);
+    g_object_unref (icon);
+    return info;
+}
+
+NautilusIconInfo *
+nautilus_icon_info_lookup_from_path (const char *path,
+                                     int         size,
+                                     int         scale)
+{
+    GFile *icon_file;
+    GIcon *icon;
+    NautilusIconInfo *info;
+
+    icon_file = g_file_new_for_path (path);
+    icon = g_file_icon_new (icon_file);
+    info = nautilus_icon_info_lookup (icon, size, scale);
+    g_object_unref (icon);
+    g_object_unref (icon_file);
+    return info;
+}
+
+GdkPixbuf *
 nautilus_icon_info_get_pixbuf_nodefault (NautilusIconInfo *icon)
 {
     GdkPixbuf *res;
@@ -512,6 +543,38 @@ nautilus_icon_info_get_pixbuf (NautilusIconInfo *icon)
     return res;
 }
 
+GdkPixbuf *
+nautilus_icon_info_get_pixbuf_nodefault_at_size (NautilusIconInfo *icon,
+                                                 gsize             forced_size)
+{
+    GdkPixbuf *pixbuf, *scaled_pixbuf;
+    int w, h, s;
+    double scale;
+
+    pixbuf = nautilus_icon_info_get_pixbuf_nodefault (icon);
+
+    if (pixbuf == NULL)
+    {
+        return NULL;
+    }
+
+    w = gdk_pixbuf_get_width (pixbuf) / icon->orig_scale;
+    h = gdk_pixbuf_get_height (pixbuf) / icon->orig_scale;
+    s = MAX (w, h);
+    if (s == forced_size)
+    {
+        return pixbuf;
+    }
+
+    scale = (double) forced_size / s;
+    scaled_pixbuf = gdk_pixbuf_scale_simple (pixbuf,
+                                             w * scale, h * scale,
+                                             GDK_INTERP_BILINEAR);
+    g_object_unref (pixbuf);
+    return scaled_pixbuf;
+}
+
+
 GdkPixbuf *
 nautilus_icon_info_get_pixbuf_at_size (NautilusIconInfo *icon,
                                        gsize             forced_size)
diff --git a/src/nautilus-icon-info.h b/src/nautilus-icon-info.h
index 518db76a9..ed321dbfa 100644
--- a/src/nautilus-icon-info.h
+++ b/src/nautilus-icon-info.h
@@ -22,8 +22,17 @@ NautilusIconInfo *    nautilus_icon_info_new_for_pixbuf               (GdkPixbuf
 NautilusIconInfo *    nautilus_icon_info_lookup                       (GIcon             *icon,
                                                                       int                size,
                                                                       int                scale);
+NautilusIconInfo *    nautilus_icon_info_lookup_from_name             (const char        *name,
+                                                                      int                size,
+                                                                      int                scale);
+NautilusIconInfo *    nautilus_icon_info_lookup_from_path             (const char        *path,
+                                                                      int                size,
+                                                                      int                scale);
 gboolean              nautilus_icon_info_is_fallback                  (NautilusIconInfo  *icon);
 GdkPixbuf *           nautilus_icon_info_get_pixbuf                   (NautilusIconInfo  *icon);
+GdkPixbuf *           nautilus_icon_info_get_pixbuf_nodefault         (NautilusIconInfo  *icon);
+GdkPixbuf *           nautilus_icon_info_get_pixbuf_nodefault_at_size (NautilusIconInfo  *icon,
+                                                                      gsize              forced_size);
 GdkPixbuf *           nautilus_icon_info_get_pixbuf_at_size           (NautilusIconInfo  *icon,
                                                                       gsize              forced_size);
 const char *          nautilus_icon_info_get_used_name                (NautilusIconInfo  *icon);
diff --git a/src/nautilus-properties-window.c b/src/nautilus-properties-window.c
index ce6c8ad51..25de03af7 100644
--- a/src/nautilus-properties-window.c
+++ b/src/nautilus-properties-window.c
@@ -435,9 +435,9 @@ get_image_for_properties_window (NautilusPropertiesWindow  *self,
 
     if (!icon)
     {
-        g_autoptr (GIcon) gicon = g_themed_icon_new ("text-x-generic");
-
-        icon = nautilus_icon_info_lookup (gicon, NAUTILUS_GRID_ICON_SIZE_STANDARD, icon_scale);
+        icon = nautilus_icon_info_lookup_from_name ("text-x-generic",
+                                                    NAUTILUS_GRID_ICON_SIZE_STANDARD,
+                                                    icon_scale);
     }
 
     if (icon_name != NULL)