[evolution/webkit: 146/196] Backport master/63eba7c3 after rebase



commit 4af77da7c5500bcb946eabe80166a55f5f2db249
Author: Dan VrÃtil <dvratil redhat com>
Date:   Thu Feb 9 15:17:47 2012 +0100

    Backport master/63eba7c3 after rebase

 em-format/em-format.c         |    1 +
 mail/em-format-html-display.c |    2 +-
 mail/em-format-html.c         |   75 +++++++++++++++++++++++------------------
 mail/em-format-html.h         |    5 ++-
 4 files changed, 47 insertions(+), 36 deletions(-)
---
diff --git a/em-format/em-format.c b/em-format/em-format.c
index 0779e47..4ceb051 100644
--- a/em-format/em-format.c
+++ b/em-format/em-format.c
@@ -517,6 +517,7 @@ emf_parse_multipart_encrypted (EMFormat *emf,
 
 		if (info->validity)
 			camel_cipher_validity_envelope (valid, info->validity);
+
 		encinfo.validity = valid;
 
 		g_string_append (part_id, ".encrypted");
diff --git a/mail/em-format-html-display.c b/mail/em-format-html-display.c
index 6da565b..d10f151 100644
--- a/mail/em-format-html-display.c
+++ b/mail/em-format-html-display.c
@@ -672,7 +672,7 @@ efhd_parse_secure (EMFormat *emf,
 			g_string_append (buffer, gettext (desc));
 
 			em_format_html_format_cert_infos (
-				(CamelCipherCertInfo *) info->validity->sign.signers.head);
+				&info->validity->sign.signers, buffer);
 		}
 
 		if (info->validity->encrypt.status != CAMEL_CIPHER_VALIDITY_ENCRYPT_NONE) {
diff --git a/mail/em-format-html.c b/mail/em-format-html.c
index 3891041..b6efb7b 100644
--- a/mail/em-format-html.c
+++ b/mail/em-format-html.c
@@ -1755,49 +1755,58 @@ em_format_html_file_part (EMFormatHTML *efh,
 	return part;
 }
 
-gchar *
-em_format_html_format_cert_infos (CamelCipherCertInfo *first_cinfo)
+void
+em_format_html_format_cert_infos (GQueue *cert_infos,
+				  GString *output_buffer)
 {
-	GString *res = NULL;
-	CamelCipherCertInfo *cinfo;
-
-	if (!first_cinfo)
-		return NULL;
+	GQueue valid = G_QUEUE_INIT;
+	GList *head, *link;
+
+	g_return_if_fail (cert_infos != NULL);
+	g_return_if_fail (output_buffer != NULL);
+
+	head = g_queue_peek_head_link (cert_infos);
+
+	/* Make sure we have a valid CamelCipherCertInfo before
+	 * appending anything to the output buffer, so we don't
+	 * end up with "()". */
+	for (link = head; link != NULL; link = g_list_next (link)) {
+		CamelCipherCertInfo *cinfo = link->data;
+		
+		if ((cinfo->name != NULL && *cinfo->name != '\0') ||
+		    (cinfo->email != NULL && *cinfo->email != '\0')) {
+			g_queue_push_tail (&valid, cinfo);
+		}
+	}
+		
+	if (g_queue_is_empty (&valid))
+		return;
 
-	#define append(x) G_STMT_START {		\
-		if (!res) {				\
-			res = g_string_new (x);		\
-		} else {				\
-			g_string_append (res, x);	\
-		}					\
-	} G_STMT_END
+	g_string_append (output_buffer, " (");
 
-	for (cinfo = first_cinfo; cinfo && cinfo->next; cinfo = cinfo->next) {
-		if (!cinfo->name && !cinfo->email)
-			continue;
+	while (!g_queue_is_empty (&valid)) {
+		CamelCipherCertInfo *cinfo;
 
-		if (res)
-			append (", ");
+		cinfo = g_queue_pop_head (&valid);
 
-		if (cinfo->name && *cinfo->name) {
-			append (cinfo->name);
+		if (cinfo->name != NULL && *cinfo->name != '\0') {
+			g_string_append (output_buffer, cinfo->name);
 
-			if (cinfo->email && *cinfo->email) {
-				append (" <");
-				append (cinfo->email);
-				append (">");
+			if (cinfo->email != NULL && *cinfo->email != '\0') {
+				g_string_append (output_buffer, " <");
+				g_string_append (output_buffer, cinfo->email);
+				g_string_append (output_buffer, ">");
 			}
-		} else if (cinfo->email && *cinfo->email) {
-			append (cinfo->email);
-		}
-	}
 
-	#undef append
+		} else if (cinfo->email != NULL && *cinfo->email != '\0') {
+			g_string_append (output_buffer, cinfo->email);
+		}
 
-	if (!res)
-		return NULL;
+		if (!g_queue_is_empty (&valid))
+			g_string_append (output_buffer, ", ");
+	}
 
-	return g_string_free (res, FALSE);
+	g_string_append_c (output_buffer, ')');
 }
 
 
diff --git a/mail/em-format-html.h b/mail/em-format-html.h
index 689167f..008e488 100644
--- a/mail/em-format-html.h
+++ b/mail/em-format-html.h
@@ -181,8 +181,9 @@ CamelMimePart *	em_format_html_file_part	(EMFormatHTML *efh,
 						 const gchar *filename,
 						 GCancellable *cancellable);
 
-gchar *		em_format_html_format_cert_infos
-						(CamelCipherCertInfo *first_cinfo);
+void		em_format_html_format_cert_infos
+						(GQueue *cert_infos,
+						 GString *output_buffer);
 
 void		em_format_html_format_message	(EMFormatHTML *efh,
 						 CamelStream *stream,



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