[evolution/gnome-3-28] I#19 - Show "message/feedback-report" attachments inline

[Milan Crha <mcrha src gnome org>]

commit 52dd256a92b760d138faaad66b2b2f770ba59d5f
Author: Milan Crha <mcrha redhat com>
Date:   Fri Jun 15 13:45:08 2018 +0200

    I#19 - Show "message/feedback-report" attachments inline
    
    Closes https://gitlab.gnome.org/GNOME/evolution/issues/19

 src/em-format/e-mail-parser-message-deliverystatus.c | 11 +++++++++++
 1 file changed, 11 insertions(+)
---
diff --git a/src/em-format/e-mail-parser-message-deliverystatus.c 
b/src/em-format/e-mail-parser-message-deliverystatus.c
index f85e8d1d42..6e6a05b6f7 100644
--- a/src/em-format/e-mail-parser-message-deliverystatus.c
+++ b/src/em-format/e-mail-parser-message-deliverystatus.c
@@ -21,6 +21,7 @@
 
 #include <e-util/e-util.h>
 
+#include "e-mail-part-attachment.h"
 #include "e-mail-parser-extension.h"
 
 typedef EMailParserExtension EMailParserMessageDeliveryStatus;
@@ -49,6 +50,7 @@ empe_msg_deliverystatus_parse (EMailParserExtension *extension,
                                GQueue *out_mail_parts)
 {
        GQueue work_queue = G_QUEUE_INIT;
+       CamelContentType *ct;
        EMailPart *mail_part;
        gsize len;
 
@@ -65,6 +67,15 @@ empe_msg_deliverystatus_parse (EMailParserExtension *extension,
         * message/delivery-status is to display the part as an attachment */
        e_mail_parser_wrap_as_attachment (parser, part, part_id, &work_queue);
 
+       ct = camel_mime_part_get_content_type (part);
+       if (ct && camel_content_type_is (ct, "message", "feedback-report")) {
+               EMailPart *attachment_part;
+
+               attachment_part = g_queue_peek_head (&work_queue);
+               if (attachment_part && E_IS_MAIL_PART_ATTACHMENT (attachment_part))
+                       attachment_part->force_inline = TRUE;
+       }
+
        e_queue_transfer (&work_queue, out_mail_parts);
 
        return TRUE;