[gmime] Updated g_mime_text_part_set_text() to set an appropriate transfer encoding

[Jeffrey Stedfast <fejj src gnome org>]

commit 5264eb8bccd64152edd78d9583067a7d1d90e112
Author: Jeffrey Stedfast <jestedfa microsoft com>
Date:   Sat Mar 11 12:33:18 2017 -0500

    Updated g_mime_text_part_set_text() to set an appropriate transfer encoding

 gmime/gmime-text-part.c |   13 +++++++++++++
 1 files changed, 13 insertions(+), 0 deletions(-)
---
diff --git a/gmime/gmime-text-part.c b/gmime/gmime-text-part.c
index cb1243b..cc63b9f 100644
--- a/gmime/gmime-text-part.c
+++ b/gmime/gmime-text-part.c
@@ -203,6 +203,7 @@ g_mime_text_part_set_text (GMimeTextPart *mime_part, const char *text)
 {
        GMimeContentType *content_type;
        GMimeStream *filtered, *stream;
+       GMimeContentEncoding encoding;
        GMimeDataWrapper *content;
        GMimeFilter *filter;
        const char *charset;
@@ -244,6 +245,18 @@ g_mime_text_part_set_text (GMimeTextPart *mime_part, const char *text)
        
        g_mime_part_set_content ((GMimePart *) mime_part, content);
        g_object_unref (content);
+       
+       encoding = g_mime_part_get_content_encoding ((GMimePart *) mime_part);
+       
+       /* if the user has already specified encoding the content with base64/qp/uu, don't change it */
+       if (encoding > GMIME_CONTENT_ENCODING_BINARY)
+               return;
+       
+       /* ...otherwise, set an appropriate Content-Transfer-Encoding based on the text provided... */
+       if (mask.level > 0)
+               g_mime_part_set_content_encoding ((GMimePart *) mime_part, GMIME_CONTENT_ENCODING_8BIT);
+       else
+               g_mime_part_set_content_encoding ((GMimePart *) mime_part, GMIME_CONTENT_ENCODING_7BIT);
 }