+ msg_content_type = modest_tny_mime_part_get_content_type (TNY_MIME_PART (priv->msg));
+ /* If the top mime part is a multipart/signed, we have to work with its first child (if available)
+ * as "message" for showing attachments */
+
+ part_to_check = NULL;
+ if ((msg_content_type != NULL) && !strcasecmp (msg_content_type, "multipart/signed")) {
+ TnyList *msg_children;
+ guint length;
+
+ msg_children = TNY_LIST (tny_simple_list_new ());
+ tny_mime_part_get_parts (TNY_MIME_PART (priv->msg), msg_children);
+
+ length = tny_list_get_length (msg_children);
+ if (length == 1 || length == 2) {
+ TnyIterator *iterator;
+
+ iterator = tny_list_create_iterator (msg_children);
+
+ part_to_check = TNY_MIME_PART (tny_iterator_get_current (iterator));
+
+ g_object_unref (iterator);
+ }
+
+ g_object_unref (msg_children);
+
+ }
+
+ if (part_to_check == NULL) {
+ part_to_check = g_object_ref (priv->msg);
+ } else {
+ msg_content_type = modest_tny_mime_part_get_content_type (TNY_MIME_PART (part_to_check));
+ }
+
+
+ /* If the top mime part is a multipart/related, we don't show the attachments, as they're
+ * embedded images in body */
+ if ((msg_content_type != NULL) && !strcasecmp (msg_content_type, "multipart/related")) {
+ gchar *header_content_type;
+ gboolean application_multipart = FALSE;
+
+ g_free (msg_content_type);
+
+ header_content_type = modest_tny_mime_part_get_headers_content_type (TNY_MIME_PART (part_to_check));
+
+ if ((header_content_type != NULL) &&
+ !strstr (header_content_type, "application/")) {
+ application_multipart = TRUE;
+ }
+ g_free (header_content_type);
+
+ if (application_multipart) {
+ gtk_widget_queue_draw (GTK_WIDGET (attachments_view));
+ g_object_unref (part_to_check);
+ return;
+ }
+ } else {
+ gboolean direct_attach;
+
+ direct_attach = (!g_str_has_prefix (msg_content_type, "message/rfc822") &&
+ !g_str_has_prefix (msg_content_type, "multipart") &&
+ !g_str_has_prefix (msg_content_type, "text/"));
+
+ g_free (msg_content_type);
+
+ if (direct_attach) {
+ modest_attachments_view_add_attachment (attachments_view, TNY_MIME_PART (part_to_check), TRUE, 0);
+ gtk_widget_queue_draw (GTK_WIDGET (attachments_view));
+ g_object_unref (part_to_check);
+ return;
+ }
+ }
+