[evolution] Add e_mail_part_get_validity_flags().

[Matthew Barnes <mbarnes src gnome org>]

commit 67227b428b5f730059ad9eefcc866fb4f4bf5e86
Author: Matthew Barnes <mbarnes redhat com>
Date:   Sun May 19 12:31:19 2013 -0400

    Add e_mail_part_get_validity_flags().

 em-format/e-mail-part.c |   20 ++++++++++++++++++++
 em-format/e-mail-part.h |    2 ++
 mail/em-utils.c         |   12 +-----------
 3 files changed, 23 insertions(+), 11 deletions(-)
---
diff --git a/em-format/e-mail-part.c b/em-format/e-mail-part.c
index ba43e7e..2339e0e 100644
--- a/em-format/e-mail-part.c
+++ b/em-format/e-mail-part.c
@@ -371,3 +371,23 @@ e_mail_part_has_validity (EMailPart *part)
        return !g_queue_is_empty (&part->validities);
 }
 
+EMailPartValidityFlags
+e_mail_part_get_validity_flags (EMailPart *part)
+{
+       EMailPartValidityFlags flags = 0;
+       GList *head, *link;
+
+       g_return_val_if_fail (part != NULL, 0);
+
+       head = g_queue_peek_head_link (&part->validities);
+
+       for (link = head; link != NULL; link = g_list_next (link)) {
+               EMailPartValidityPair *pair = link->data;
+
+               if (pair != NULL)
+                       flags |= pair->validity_type;
+       }
+
+       return flags;
+}
+
diff --git a/em-format/e-mail-part.h b/em-format/e-mail-part.h
index bcb4270..cb25cb3 100644
--- a/em-format/e-mail-part.h
+++ b/em-format/e-mail-part.h
@@ -119,6 +119,8 @@ CamelCipherValidity *
                e_mail_part_get_validity        (EMailPart *part,
                                                 guint32 validity_type);
 gboolean       e_mail_part_has_validity        (EMailPart *part);
+EMailPartValidityFlags
+               e_mail_part_get_validity_flags  (EMailPart *part);
 
 G_END_DECLS
 
diff --git a/mail/em-utils.c b/mail/em-utils.c
index 07c943a..6a12e3c 100644
--- a/mail/em-utils.c
+++ b/mail/em-utils.c
@@ -1322,7 +1322,6 @@ em_utils_message_to_html (CamelSession *session,
 
        for (link = head; link != NULL; link = g_list_next (link)) {
                EMailPart *part = link->data;
-               GList *vhead, *vlink;
                const gchar *mime_type;
 
                mime_type = e_mail_part_get_mime_type (part);
@@ -1338,16 +1337,7 @@ em_utils_message_to_html (CamelSession *session,
                        hidden_text_html_part = part;
                }
 
-               vhead = g_queue_peek_head_link (&part->validities);
-
-               for (vlink = vhead; vlink != NULL; vlink = g_list_next (vlink)) {
-                       EMailPartValidityPair *pair = vlink->data;
-
-                       if (pair == NULL)
-                               continue;
-
-                       is_validity_found |= pair->validity_type;
-               }
+               is_validity_found |= e_mail_part_get_validity_flags (part);
        }
 
        while (!g_queue_is_empty (&queue))