GktFileSystem: Support rendering symbolic icons

gtk/gtkfilesystem.c

@@ -713,6 +713,7 @@ get_surface_from_gicon (GIcon      *icon,
   GdkScreen *screen;
   GtkIconTheme *icon_theme;
   GtkIconInfo *icon_info;
+  GdkPixbuf *pixbuf;
   cairo_surface_t *surface;
 
   screen = gtk_widget_get_screen (GTK_WIDGET (widget));
@@ -727,11 +728,21 @@ get_surface_from_gicon (GIcon      *icon,
   if (!icon_info)
     return NULL;
 
-  surface = gtk_icon_info_load_surface (icon_info,
+  pixbuf = gtk_icon_info_load_symbolic_for_context (icon_info,
-					gtk_widget_get_window (widget), error);
+                                                    gtk_widget_get_style_context (widget),
+                                                    NULL,
+                                                    error);
 
   g_object_unref (icon_info);
 
+  if (pixbuf == NULL)
+    return NULL;
+
+  surface = gdk_cairo_surface_create_from_pixbuf (pixbuf,
+                                                  gtk_widget_get_scale_factor (widget),
+					          gtk_widget_get_window (widget));
+  g_object_unref (pixbuf);
+
   return surface;
 }
 
@@ -744,8 +755,6 @@ _gtk_file_system_volume_render_icon (GtkFileSystemVolume  *volume,
   GIcon *icon = NULL;
   cairo_surface_t *surface;
 
-  DEBUG ("volume_get_icon_name");
-
   if (IS_ROOT_VOLUME (volume))
     icon = g_themed_icon_new ("drive-harddisk");
   else if (G_IS_DRIVE (volume))
@@ -765,6 +774,34 @@ _gtk_file_system_volume_render_icon (GtkFileSystemVolume  *volume,
   return surface;
 }
 
+cairo_surface_t *
+_gtk_file_system_volume_render_symbolic_icon (GtkFileSystemVolume  *volume,
+				              GtkWidget            *widget,
+				              gint                  icon_size,
+				              GError              **error)
+{
+  GIcon *icon = NULL;
+  cairo_surface_t *surface;
+
+  if (IS_ROOT_VOLUME (volume))
+    icon = g_themed_icon_new ("drive-harddisk-symbolic");
+  else if (G_IS_DRIVE (volume))
+    icon = g_drive_get_symbolic_icon (G_DRIVE (volume));
+  else if (G_IS_VOLUME (volume))
+    icon = g_volume_get_symbolic_icon (G_VOLUME (volume));
+  else if (G_IS_MOUNT (volume))
+    icon = g_mount_get_symbolic_icon (G_MOUNT (volume));
+
+  if (!icon)
+    return NULL;
+
+  surface = get_surface_from_gicon (icon, widget, icon_size, error);
+
+  g_object_unref (icon);
+
+  return surface;
+}
+
 GtkFileSystemVolume *
 _gtk_file_system_volume_ref (GtkFileSystemVolume *volume)
 {
@@ -794,9 +831,10 @@ _gtk_file_system_volume_unref (GtkFileSystemVolume *volume)
 
 /* GFileInfo helper functions */
 cairo_surface_t *
-_gtk_file_info_render_icon (GFileInfo *info,
+_gtk_file_info_render_icon_internal (GFileInfo *info,
 			             GtkWidget *widget,
-			    gint       icon_size)
+			             gint       icon_size,
+                                     gboolean   symbolic)
 {
   GIcon *icon;
   GdkPixbuf *pixbuf;
@@ -823,6 +861,9 @@ _gtk_file_info_render_icon (GFileInfo *info,
 
   if (!surface)
     {
+      if (symbolic)
+        icon = g_file_info_get_symbolic_icon (info);
+      else
         icon = g_file_info_get_icon (info);
 
       if (icon)
@@ -831,6 +872,9 @@ _gtk_file_info_render_icon (GFileInfo *info,
       if (!surface)
 	{
 	   /* Use general fallback for all files without icon */
+          if (symbolic)
+	    icon = g_themed_icon_new ("text-x-generic-symbolic");
+          else
 	    icon = g_themed_icon_new ("text-x-generic");
 	  surface = get_surface_from_gicon (icon, widget, icon_size, NULL);
 	  g_object_unref (icon);
@@ -840,6 +884,22 @@ _gtk_file_info_render_icon (GFileInfo *info,
   return surface;
 }
 
+cairo_surface_t *
+_gtk_file_info_render_icon (GFileInfo *info,
+			    GtkWidget *widget,
+			    gint       icon_size)
+{
+  return _gtk_file_info_render_icon_internal (info, widget, icon_size, FALSE);
+}
+
+cairo_surface_t *
+_gtk_file_info_render_symbolic_icon (GFileInfo *info,
+			             GtkWidget *widget,
+			             gint       icon_size)
+{
+  return _gtk_file_info_render_icon_internal (info, widget, icon_size, TRUE);
+}
+
 gboolean
 _gtk_file_info_consider_as_directory (GFileInfo *info)
 {

gtk/gtkfilesystem.h

@@ -97,6 +97,10 @@ cairo_surface_t *     _gtk_file_system_volume_render_icon      (GtkFileSystemVol
 							        GtkWidget            *widget,
 							        gint                  icon_size,
 							        GError              **error);
+cairo_surface_t *     _gtk_file_system_volume_render_symbolic_icon (GtkFileSystemVolume  *volume,
+							            GtkWidget            *widget,
+							            gint                  icon_size,
+							            GError              **error);
 
 GtkFileSystemVolume  *_gtk_file_system_volume_ref              (GtkFileSystemVolume *volume);
 void                  _gtk_file_system_volume_unref            (GtkFileSystemVolume *volume);
@@ -105,6 +109,9 @@ void                  _gtk_file_system_volume_unref            (GtkFileSystemVol
 cairo_surface_t *     _gtk_file_info_render_icon (GFileInfo *info,
 						  GtkWidget *widget,
 						  gint       icon_size);
+cairo_surface_t *     _gtk_file_info_render_symbolic_icon (GFileInfo *info,
+						           GtkWidget *widget,
+						           gint       icon_size);
 
 gboolean	_gtk_file_info_consider_as_directory (GFileInfo *info);