[empathy: 6/22] chat: make nb_unread_messages incoming only

[Jonny Lamb <jonnylamb src gnome org>]

commit d36a313b26e957452fde60cac897791b0f6e4990
Author: Jonny Lamb <jonnylamb gnome org>
Date:   Thu May 12 16:47:59 2011 +0100

    chat: make nb_unread_messages incoming only
    
    and add a property so it can have change notification.
    
    Signed-off-by: Jonny Lamb <jonnylamb gnome org>

 libempathy-gtk/empathy-chat.c |   34 ++++++++++++++++++++++++++++++++--
 1 files changed, 32 insertions(+), 2 deletions(-)
---
diff --git a/libempathy-gtk/empathy-chat.c b/libempathy-gtk/empathy-chat.c
index b580812..019064a 100644
--- a/libempathy-gtk/empathy-chat.c
+++ b/libempathy-gtk/empathy-chat.c
@@ -173,6 +173,7 @@ enum {
 	PROP_SHOW_CONTACTS,
 	PROP_SMS_CHANNEL,
 	PROP_N_MESSAGES_SENDING,
+	PROP_NB_UNREAD_MESSAGES,
 };
 
 static guint signals[LAST_SIGNAL] = { 0 };
@@ -219,6 +220,10 @@ chat_get_property (GObject    *object,
 		g_value_set_uint (value,
 			empathy_chat_get_n_messages_sending (chat));
 		break;
+	case PROP_NB_UNREAD_MESSAGES:
+		g_value_set_uint (value,
+			empathy_chat_get_nb_unread_messages (chat));
+		break;
 	default:
 		G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
 		break;
@@ -1271,7 +1276,10 @@ chat_message_received (EmpathyChat *chat,
 			       TP_CHANNEL_CHAT_STATE_ACTIVE,
 			       chat);
 
-	priv->unread_messages++;
+	if (empathy_message_is_incoming (message)) {
+		priv->unread_messages++;
+	}
+
 	g_signal_emit (chat, signals[NEW_MESSAGE], 0, message, pending);
 }
 
@@ -1284,6 +1292,16 @@ chat_message_received_cb (EmpathyTpChat  *tp_chat,
 }
 
 static void
+chat_pending_message_removed_cb (EmpathyTpChat  *tp_chat,
+				 EmpathyChat    *chat)
+{
+	EmpathyChatPriv *priv = GET_PRIV (chat);
+
+	priv->unread_messages--;
+	g_object_notify (G_OBJECT (chat), "nb-unread-messages");
+}
+
+static void
 chat_send_error_cb (EmpathyTpChat          *tp_chat,
 		    const gchar            *message_body,
 		    TpChannelTextSendError  error_code,
@@ -2872,6 +2890,8 @@ chat_finalize (GObject *object)
 		g_signal_handlers_disconnect_by_func (priv->tp_chat,
 			chat_message_received_cb, chat);
 		g_signal_handlers_disconnect_by_func (priv->tp_chat,
+			chat_pending_message_removed_cb, chat);
+		g_signal_handlers_disconnect_by_func (priv->tp_chat,
 			chat_send_error_cb, chat);
 		g_signal_handlers_disconnect_by_func (priv->tp_chat,
 			chat_state_changed_cb, chat);
@@ -3007,6 +3027,14 @@ empathy_chat_class_init (EmpathyChatClass *klass)
 							    0, G_MAXUINT, 0,
 							    G_PARAM_READABLE | G_PARAM_STATIC_STRINGS));
 
+	g_object_class_install_property (object_class,
+					 PROP_NB_UNREAD_MESSAGES,
+					 g_param_spec_uint ("nb-unread-messages",
+							    "Num Unread Messages",
+							    "The number of unread messages",
+							    0, G_MAXUINT, 0,
+							    G_PARAM_READABLE | G_PARAM_STATIC_STRINGS));
+
 	signals[COMPOSING] =
 		g_signal_new ("composing",
 			      G_OBJECT_CLASS_TYPE (object_class),
@@ -3546,6 +3574,9 @@ empathy_chat_set_tp_chat (EmpathyChat   *chat,
 	g_signal_connect (tp_chat, "message-received",
 			  G_CALLBACK (chat_message_received_cb),
 			  chat);
+	g_signal_connect (tp_chat, "pending-message-removed",
+			  G_CALLBACK (chat_pending_message_removed_cb),
+			  chat);
 	g_signal_connect (tp_chat, "send-error",
 			  G_CALLBACK (chat_send_error_cb),
 			  chat);
@@ -3876,7 +3907,6 @@ empathy_chat_messages_read (EmpathyChat *self)
 	if (priv->tp_chat != NULL ) {
 		empathy_tp_chat_acknowledge_all_messages (priv->tp_chat);
 	}
-	priv->unread_messages = 0;
 
 	empathy_chat_view_focus_toggled (self->view, TRUE);
 }