[path-bar] Add some comments to explain the async recursion on an I/O callback

Signed-off-by: default avatarFederico Mena Quintero <federico@gnome.org>
parent 6ce48345
......@@ -1824,17 +1824,23 @@ gtk_path_bar_get_info_callback (GCancellable *cancellable,
if (BUTTON_IS_FAKE_ROOT (button_data))
file_info->fake_root = file_info->new_buttons;
/* We have assigned the info for the innermost button, i.e. the deepest directory.
* Now, go on to fetch the info for this directory's parent.
*/
file_info->file = file_info->parent_file;
file_info->first_directory = FALSE;
if (!file_info->file)
{
/* No parent? Okay, we are done. */
gtk_path_bar_set_file_finish (file_info, TRUE);
return;
}
file_info->parent_file = g_file_get_parent (file_info->file);
/* Recurse asynchronously */
file_info->path_bar->get_info_cancellable =
_gtk_file_system_get_info (file_info->path_bar->file_system,
file_info->file,
......
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