[empathy: 1/7] Use dbus-error from delivery report for better errors

[Danielle Madeley <daniellem src gnome org>]

commit b0aaacf05d0b46ca53f3b6b9f2dd0565cea0f5d0
Author: Danielle Madeley <danielle madeley collabora co uk>
Date:   Thu Apr 21 15:03:52 2011 +1000

    Use dbus-error from delivery report for better errors

 libempathy-gtk/empathy-chat.c |   52 ++++++++++++++++++++++++----------------
 libempathy/empathy-tp-chat.c  |   12 ++++++---
 2 files changed, 39 insertions(+), 25 deletions(-)
---
diff --git a/libempathy-gtk/empathy-chat.c b/libempathy-gtk/empathy-chat.c
index 5c8bbce..d4e025f 100644
--- a/libempathy-gtk/empathy-chat.c
+++ b/libempathy-gtk/empathy-chat.c
@@ -1282,31 +1282,41 @@ static void
 chat_send_error_cb (EmpathyTpChat          *tp_chat,
 		    const gchar            *message_body,
 		    TpChannelTextSendError  error_code,
+		    const gchar            *dbus_error,
 		    EmpathyChat            *chat)
 {
-	const gchar *error;
+	const gchar *error = NULL;
 	gchar       *str;
 
-	switch (error_code) {
-	case TP_CHANNEL_TEXT_SEND_ERROR_OFFLINE:
-		error = _("offline");
-		break;
-	case TP_CHANNEL_TEXT_SEND_ERROR_INVALID_CONTACT:
-		error = _("invalid contact");
-		break;
-	case TP_CHANNEL_TEXT_SEND_ERROR_PERMISSION_DENIED:
-		error = _("permission denied");
-		break;
-	case TP_CHANNEL_TEXT_SEND_ERROR_TOO_LONG:
-		error = _("too long message");
-		break;
-	case TP_CHANNEL_TEXT_SEND_ERROR_NOT_IMPLEMENTED:
-		error = _("not implemented");
-		break;
-	case TP_CHANNEL_TEXT_SEND_ERROR_UNKNOWN:
-	default:
-		error = _("unknown");
-		break;
+	if (!tp_strdiff (dbus_error, TP_ERROR_STR_INSUFFICIENT_BALANCE)) {
+		error = _("insufficient balance to send message");
+	} else if (!tp_strdiff (dbus_error, TP_ERROR_STR_NOT_CAPABLE)) {
+		error = _("not capable");
+	}
+
+	if (error == NULL) {
+		/* if we didn't find a dbus-error, try the old error */
+		switch (error_code) {
+		case TP_CHANNEL_TEXT_SEND_ERROR_OFFLINE:
+			error = _("offline");
+			break;
+		case TP_CHANNEL_TEXT_SEND_ERROR_INVALID_CONTACT:
+			error = _("invalid contact");
+			break;
+		case TP_CHANNEL_TEXT_SEND_ERROR_PERMISSION_DENIED:
+			error = _("permission denied");
+			break;
+		case TP_CHANNEL_TEXT_SEND_ERROR_TOO_LONG:
+			error = _("too long message");
+			break;
+		case TP_CHANNEL_TEXT_SEND_ERROR_NOT_IMPLEMENTED:
+			error = _("not implemented");
+			break;
+		case TP_CHANNEL_TEXT_SEND_ERROR_UNKNOWN:
+		default:
+			error = _("unknown");
+			break;
+		}
 	}
 
 	if (message_body != NULL) {
diff --git a/libempathy/empathy-tp-chat.c b/libempathy/empathy-tp-chat.c
index b8e4cdf..4b3bca4 100644
--- a/libempathy/empathy-tp-chat.c
+++ b/libempathy/empathy-tp-chat.c
@@ -322,6 +322,7 @@ handle_delivery_report (EmpathyTpChat *self,
 	gboolean valid;
 	GPtrArray *echo;
 	const gchar *message_body = NULL;
+	const gchar *delivery_dbus_error;
 
 	header = tp_message_peek (message, 0);
 	if (header == NULL)
@@ -335,6 +336,8 @@ handle_delivery_report (EmpathyTpChat *self,
 	if (!valid)
 		delivery_error = TP_CHANNEL_TEXT_SEND_ERROR_UNKNOWN;
 
+	delivery_dbus_error = tp_asv_get_string (header, "delivery-dbus-error");
+
 	/* TODO: ideally we should use tp-glib API giving us the echoed message as a
 	 * TpMessage. (fdo #35884) */
 	echo = tp_asv_get_boxed (header, "delivery-echo",
@@ -347,7 +350,8 @@ handle_delivery_report (EmpathyTpChat *self,
 			message_body = tp_asv_get_string (echo_body, "content");
 	}
 
-	g_signal_emit (self, signals[SEND_ERROR], 0, message_body, delivery_error);
+	g_signal_emit (self, signals[SEND_ERROR], 0, message_body,
+			delivery_error, delivery_dbus_error);
 
 out:
 	tp_text_channel_ack_message_async (TP_TEXT_CHANNEL (priv->channel),
@@ -449,7 +453,7 @@ message_send_cb (GObject *source,
 		 * we'll have rebased EmpathyTpChat on top of TpTextChannel we'll be able
 		 * to use the user_data pointer to pass the message and fix this. */
 		g_signal_emit (chat, signals[SEND_ERROR], 0,
-			       NULL, error_to_text_send_error (error));
+			       NULL, error_to_text_send_error (error), NULL);
 
 		g_error_free (error);
 	}
@@ -1521,9 +1525,9 @@ empathy_tp_chat_class_init (EmpathyTpChatClass *klass)
 			      G_SIGNAL_RUN_LAST,
 			      0,
 			      NULL, NULL,
-			      _empathy_marshal_VOID__STRING_UINT,
+			      _empathy_marshal_VOID__STRING_UINT_STRING,
 			      G_TYPE_NONE,
-			      2, G_TYPE_STRING, G_TYPE_UINT);
+			      3, G_TYPE_STRING, G_TYPE_UINT, G_TYPE_STRING);
 
 	signals[CHAT_STATE_CHANGED] =
 		g_signal_new ("chat-state-changed",