[empathy] emulate '/me' command if CM doesn't support Action messages (#622118)

[Guillaume Desmottes <gdesmott src gnome org>]

commit bd751c69ef2e0a9928b4853a8657e1cea376531e
Author: Guillaume Desmottes <guillaume desmottes collabora co uk>
Date:   Tue Apr 5 16:37:37 2011 +0200

    emulate '/me' command if CM doesn't support Action messages (#622118)

 libempathy-gtk/empathy-chat.c |   28 ++++++++++++++++++++++++++--
 1 files changed, 26 insertions(+), 2 deletions(-)
---
diff --git a/libempathy-gtk/empathy-chat.c b/libempathy-gtk/empathy-chat.c
index dae0239..b7c5192 100644
--- a/libempathy-gtk/empathy-chat.c
+++ b/libempathy-gtk/empathy-chat.c
@@ -869,9 +869,33 @@ chat_command_me (EmpathyChat *chat,
 {
 	EmpathyChatPriv *priv = GET_PRIV (chat);
 	EmpathyMessage *message;
+	TpChannel *channel;
+
+	channel = empathy_tp_chat_get_channel (priv->tp_chat);
+
+	/* Strictly speaking we don't depend yet on Messages so best to check that
+	 * the channel is actually a TpTextChannel before casting it. */
+	if (TP_IS_TEXT_CHANNEL (channel) &&
+		!tp_text_channel_supports_message_type (TP_TEXT_CHANNEL (channel),
+			TP_CHANNEL_TEXT_MESSAGE_TYPE_ACTION)) {
+		/* Action message are not supported, 'simulate' the action */
+		EmpathyContact *self_contact;
+		gchar *tmp;
+
+		self_contact = empathy_tp_chat_get_self_contact (priv->tp_chat);
+		/* The TpChat can't be ready if it doesn't have the self contact */
+		g_assert (self_contact != NULL);
+
+		tmp = g_strdup_printf ("%s %s", empathy_contact_get_alias (self_contact),
+			strv[1]);
+		message = empathy_message_new (tmp);
+		g_free (tmp);
+	}
+	else {
+		message = empathy_message_new (strv[1]);
+		empathy_message_set_tptype (message, TP_CHANNEL_TEXT_MESSAGE_TYPE_ACTION);
+	}
 
-	message = empathy_message_new (strv[1]);
-	empathy_message_set_tptype (message, TP_CHANNEL_TEXT_MESSAGE_TYPE_ACTION);
 	empathy_tp_chat_send (priv->tp_chat, message);
 	g_object_unref (message);
 }