[empathy] Display the time when messages have been sent, not received (#653551)

[Guillaume Desmottes <gdesmott src gnome org>]

commit c257cb2ca71d2b3eb48d2ba5b8311d9582019ad9
Author: Guillaume Desmottes <guillaume desmottes collabora co uk>
Date:   Tue Jun 28 11:14:01 2011 +0200

    Display the time when messages have been sent, not received (#653551)
    
    Much more useful when receiving offline messages.

 libempathy/empathy-message.c |    7 ++++++-
 1 files changed, 6 insertions(+), 1 deletions(-)
---
diff --git a/libempathy/empathy-message.c b/libempathy/empathy-message.c
index f175a45..1c18cf5 100644
--- a/libempathy/empathy-message.c
+++ b/libempathy/empathy-message.c
@@ -784,6 +784,7 @@ empathy_message_new_from_tp_message (TpMessage *tp_msg,
 	EmpathyMessage *message;
 	gchar *body;
 	TpChannelTextMessageFlags flags;
+	gint64 timestamp;
 	gint64 original_timestamp;
 	const GHashTable *part = tp_message_peek (tp_msg, 0);
 
@@ -791,6 +792,10 @@ empathy_message_new_from_tp_message (TpMessage *tp_msg,
 
 	body = tp_message_to_text (tp_msg, &flags);
 
+	timestamp = tp_message_get_sent_timestamp (tp_msg);
+	if (timestamp == 0)
+		timestamp = tp_message_get_received_timestamp (tp_msg);
+
 	original_timestamp = tp_asv_get_int64 (part,
 		"original-message-received", NULL);
 
@@ -799,7 +804,7 @@ empathy_message_new_from_tp_message (TpMessage *tp_msg,
 		"token", tp_message_get_token (tp_msg),
 		"supersedes", tp_message_get_supersedes (tp_msg),
 		"type", tp_message_get_message_type (tp_msg),
-		"timestamp", tp_message_get_received_timestamp (tp_msg),
+		"timestamp", timestamp,
 		"original-timestamp", original_timestamp,
 		"flags", flags,
 		"is-backlog", flags & TP_CHANNEL_TEXT_MESSAGE_FLAG_SCROLLBACK,