[empathy] tp-chat: port to Telepathy coding style



commit 6ed0e77e1d08b8d55f2c40056c4b8b7891e491e8
Author: Guillaume Desmottes <guillaume desmottes collabora co uk>
Date:   Tue Apr 10 12:51:10 2012 +0200

    tp-chat: port to Telepathy coding style
    
    I'm so tired of hacking in this file using the old style.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=673821

 libempathy/empathy-tp-chat.c | 2279 +++++++++++++++++++++---------------------
 libempathy/empathy-tp-chat.h |   94 +-
 2 files changed, 1207 insertions(+), 1166 deletions(-)
---
diff --git a/libempathy/empathy-tp-chat.c b/libempathy/empathy-tp-chat.c
index 4e26a76..d5432ff 100644
--- a/libempathy/empathy-tp-chat.c
+++ b/libempathy/empathy-tp-chat.c
@@ -1,6 +1,5 @@
-/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
 /*
- * Copyright (C) 2007-2008 Collabora Ltd.
+ * Copyright (C) 2007-2012 Collabora Ltd.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
@@ -37,1380 +36,1413 @@
 #define DEBUG_FLAG EMPATHY_DEBUG_TP | EMPATHY_DEBUG_CHAT
 #include "empathy-debug.h"
 
-struct _EmpathyTpChatPrivate {
-	TpAccount             *account;
-	EmpathyContact        *user;
-	EmpathyContact        *remote_contact;
-	GList                 *members;
-	/* Queue of messages not signalled yet */
-	GQueue                *messages_queue;
-	/* Queue of messages signalled but not acked yet */
-	GQueue                *pending_messages_queue;
+struct _EmpathyTpChatPrivate
+{
+  TpAccount *account;
+  EmpathyContact *user;
+  EmpathyContact *remote_contact;
+  GList *members;
+  /* Queue of messages not signalled yet */
+  GQueue *messages_queue;
+  /* Queue of messages signalled but not acked yet */
+  GQueue *pending_messages_queue;
 
-	/* Subject */
-	gboolean               supports_subject;
-	gboolean               can_set_subject;
-	gchar                 *subject;
-	gchar                 *subject_actor;
+  /* Subject */
+  gboolean supports_subject;
+  gboolean can_set_subject;
+  gchar *subject;
+  gchar *subject_actor;
 
-	/* Room config (for now, we only track the title and don't support
-	 * setting it) */
-	gchar                 *title;
+  /* Room config (for now, we only track the title and don't support
+   * setting it) */
+  gchar *title;
 
-	gboolean               can_upgrade_to_muc;
+  gboolean can_upgrade_to_muc;
 
-	GHashTable            *messages_being_sent;
+  GHashTable *messages_being_sent;
 
-	/* GSimpleAsyncResult used when preparing EMPATHY_TP_CHAT_FEATURE_CORE */
-	GSimpleAsyncResult    *ready_result;
+  /* GSimpleAsyncResult used when preparing EMPATHY_TP_CHAT_FEATURE_CORE */
+  GSimpleAsyncResult *ready_result;
 };
 
-static void tp_chat_iface_init         (EmpathyContactListIface *iface);
+static void tp_chat_iface_init (EmpathyContactListIface *iface);
 
-enum {
-	PROP_0,
-	PROP_ACCOUNT,
-	PROP_SELF_CONTACT,
-	PROP_REMOTE_CONTACT,
-	PROP_N_MESSAGES_SENDING,
-	PROP_TITLE,
-	PROP_SUBJECT,
+enum
+{
+  PROP_0,
+  PROP_ACCOUNT,
+  PROP_SELF_CONTACT,
+  PROP_REMOTE_CONTACT,
+  PROP_N_MESSAGES_SENDING,
+  PROP_TITLE,
+  PROP_SUBJECT,
 };
 
-enum {
-	MESSAGE_RECEIVED,
-	SEND_ERROR,
-	CHAT_STATE_CHANGED,
-	MESSAGE_ACKNOWLEDGED,
-	LAST_SIGNAL
+enum
+{
+  MESSAGE_RECEIVED,
+  SEND_ERROR,
+  CHAT_STATE_CHANGED,
+  MESSAGE_ACKNOWLEDGED,
+  LAST_SIGNAL
 };
 
 static guint signals[LAST_SIGNAL];
 
 G_DEFINE_TYPE_WITH_CODE (EmpathyTpChat, empathy_tp_chat, TP_TYPE_TEXT_CHANNEL,
-			 G_IMPLEMENT_INTERFACE (EMPATHY_TYPE_CONTACT_LIST,
-						tp_chat_iface_init));
+       G_IMPLEMENT_INTERFACE (EMPATHY_TYPE_CONTACT_LIST,
+            tp_chat_iface_init));
 
 static void
-tp_chat_set_delivery_status (EmpathyTpChat         *self,
-		             const gchar           *token,
-			     EmpathyDeliveryStatus  delivery_status)
-{
-	TpDeliveryReportingSupportFlags flags =
-		tp_text_channel_get_delivery_reporting_support (
-			TP_TEXT_CHANNEL (self));
-
-	/* channel must support receiving failures and successes */
-	if (!tp_str_empty (token) &&
-	    flags & TP_DELIVERY_REPORTING_SUPPORT_FLAG_RECEIVE_FAILURES &&
-	    flags & TP_DELIVERY_REPORTING_SUPPORT_FLAG_RECEIVE_SUCCESSES) {
-
-		DEBUG ("Delivery status (%s) = %u", token, delivery_status);
-
-		switch (delivery_status) {
-			case EMPATHY_DELIVERY_STATUS_NONE:
-				g_hash_table_remove (self->priv->messages_being_sent,
-					token);
-				break;
-
-			default:
-				g_hash_table_insert (self->priv->messages_being_sent,
-					g_strdup (token),
-					GUINT_TO_POINTER (delivery_status));
-				break;
-		}
-
-		g_object_notify (G_OBJECT (self), "n-messages-sending");
-	}
+tp_chat_set_delivery_status (EmpathyTpChat *self,
+    const gchar *token,
+    EmpathyDeliveryStatus delivery_status)
+{
+  TpDeliveryReportingSupportFlags flags =
+    tp_text_channel_get_delivery_reporting_support (
+      TP_TEXT_CHANNEL (self));
+
+  /* channel must support receiving failures and successes */
+  if (!tp_str_empty (token) &&
+      flags & TP_DELIVERY_REPORTING_SUPPORT_FLAG_RECEIVE_FAILURES &&
+      flags & TP_DELIVERY_REPORTING_SUPPORT_FLAG_RECEIVE_SUCCESSES)
+    {
+      DEBUG ("Delivery status (%s) = %u", token, delivery_status);
+
+      switch (delivery_status)
+        {
+          case EMPATHY_DELIVERY_STATUS_NONE:
+            g_hash_table_remove (self->priv->messages_being_sent,
+              token);
+            break;
+
+          default:
+            g_hash_table_insert (self->priv->messages_being_sent,
+              g_strdup (token),
+              GUINT_TO_POINTER (delivery_status));
+            break;
+        }
+
+    g_object_notify (G_OBJECT (self), "n-messages-sending");
+  }
 }
 
 static void tp_chat_prepare_ready_async (TpProxy *proxy,
-	const TpProxyFeature *feature,
-	GAsyncReadyCallback callback,
-	gpointer user_data);
+  const TpProxyFeature *feature,
+  GAsyncReadyCallback callback,
+  gpointer user_data);
 
 static void
 tp_chat_async_cb (TpChannel *proxy,
-		  const GError *error,
-		  gpointer user_data,
-		  GObject *weak_object)
+    const GError *error,
+    gpointer user_data,
+    GObject *weak_object)
 {
-	if (error) {
-		DEBUG ("Error %s: %s", (gchar *) user_data, error->message);
-	}
+  if (error != NULL)
+    DEBUG ("Error %s: %s", (gchar *) user_data, error->message);
 }
 
 static void
 create_conference_cb (GObject *source,
-		      GAsyncResult *result,
-		      gpointer user_data)
+    GAsyncResult *result,
+    gpointer user_data)
 {
-	GError *error = NULL;
+  GError *error = NULL;
 
-	if (!tp_account_channel_request_create_channel_finish (
-			TP_ACCOUNT_CHANNEL_REQUEST (source), result, &error)) {
-		DEBUG ("Failed to create conference channel: %s", error->message);
-		g_error_free (error);
-	}
+  if (!tp_account_channel_request_create_channel_finish (
+      TP_ACCOUNT_CHANNEL_REQUEST (source), result, &error))
+    {
+      DEBUG ("Failed to create conference channel: %s", error->message);
+      g_error_free (error);
+    }
 }
 
 static void
 tp_chat_add (EmpathyContactList *list,
-	     EmpathyContact     *contact,
-	     const gchar        *message)
-{
-	EmpathyTpChat *self = (EmpathyTpChat *) list;
-	TpChannel *channel = (TpChannel *) self;
-
-	if (tp_proxy_has_interface_by_id (self,
-		TP_IFACE_QUARK_CHANNEL_INTERFACE_GROUP)) {
-		TpHandle           handle;
-		GArray             handles = {(gchar *) &handle, 1};
-
-		g_return_if_fail (EMPATHY_IS_TP_CHAT (list));
-		g_return_if_fail (EMPATHY_IS_CONTACT (contact));
-
-		handle = empathy_contact_get_handle (contact);
-		tp_cli_channel_interface_group_call_add_members (channel,
-			-1, &handles, NULL, NULL, NULL, NULL, NULL);
-	} else if (self->priv->can_upgrade_to_muc) {
-		TpAccountChannelRequest *req;
-		GHashTable        *props;
-		const char        *object_path;
-		GPtrArray          channels = { (gpointer *) &object_path, 1 };
-		const char        *invitees[2] = { NULL, };
-
-		invitees[0] = empathy_contact_get_id (contact);
-		object_path = tp_proxy_get_object_path (self);
-
-		props = tp_asv_new (
-		    TP_PROP_CHANNEL_CHANNEL_TYPE, G_TYPE_STRING,
-		        TP_IFACE_CHANNEL_TYPE_TEXT,
-		    TP_PROP_CHANNEL_TARGET_HANDLE_TYPE, G_TYPE_UINT,
-		        TP_HANDLE_TYPE_NONE,
-		    TP_PROP_CHANNEL_INTERFACE_CONFERENCE_INITIAL_CHANNELS,
-		        TP_ARRAY_TYPE_OBJECT_PATH_LIST, &channels,
-		    TP_PROP_CHANNEL_INTERFACE_CONFERENCE_INITIAL_INVITEE_IDS,
-		        G_TYPE_STRV, invitees,
-		    /* FIXME: InvitationMessage ? */
-		    NULL);
-
-		req = tp_account_channel_request_new (self->priv->account, props,
-			TP_USER_ACTION_TIME_NOT_USER_ACTION);
-
-		/* Although this is a MUC, it's anonymous, so CreateChannel is
-		 * valid. */
-		tp_account_channel_request_create_channel_async (req, EMPATHY_CHAT_BUS_NAME,
-			NULL, create_conference_cb, NULL);
-
-		g_object_unref (req);
-		g_hash_table_unref (props);
-	} else {
-		g_warning ("Cannot add to this channel");
-	}
+    EmpathyContact *contact,
+    const gchar *message)
+{
+  EmpathyTpChat *self = (EmpathyTpChat *) list;
+  TpChannel *channel = (TpChannel *) self;
+
+  if (tp_proxy_has_interface_by_id (self,
+    TP_IFACE_QUARK_CHANNEL_INTERFACE_GROUP))
+    {
+      TpHandle handle;
+      GArray handles = {(gchar *) &handle, 1};
+
+      g_return_if_fail (EMPATHY_IS_TP_CHAT (list));
+      g_return_if_fail (EMPATHY_IS_CONTACT (contact));
+
+      handle = empathy_contact_get_handle (contact);
+      tp_cli_channel_interface_group_call_add_members (channel,
+        -1, &handles, NULL, NULL, NULL, NULL, NULL);
+    }
+  else if (self->priv->can_upgrade_to_muc)
+    {
+      TpAccountChannelRequest *req;
+      GHashTable *props;
+      const char *object_path;
+      GPtrArray channels = { (gpointer *) &object_path, 1 };
+      const char *invitees[2] = { NULL, };
+
+      invitees[0] = empathy_contact_get_id (contact);
+      object_path = tp_proxy_get_object_path (self);
+
+      props = tp_asv_new (
+          TP_PROP_CHANNEL_CHANNEL_TYPE, G_TYPE_STRING,
+              TP_IFACE_CHANNEL_TYPE_TEXT,
+          TP_PROP_CHANNEL_TARGET_HANDLE_TYPE, G_TYPE_UINT,
+              TP_HANDLE_TYPE_NONE,
+          TP_PROP_CHANNEL_INTERFACE_CONFERENCE_INITIAL_CHANNELS,
+              TP_ARRAY_TYPE_OBJECT_PATH_LIST, &channels,
+          TP_PROP_CHANNEL_INTERFACE_CONFERENCE_INITIAL_INVITEE_IDS,
+              G_TYPE_STRV, invitees,
+          /* FIXME: InvitationMessage ? */
+          NULL);
+
+      req = tp_account_channel_request_new (self->priv->account, props,
+        TP_USER_ACTION_TIME_NOT_USER_ACTION);
+
+      /* Although this is a MUC, it's anonymous, so CreateChannel is
+       * valid. */
+      tp_account_channel_request_create_channel_async (req,
+          EMPATHY_CHAT_BUS_NAME, NULL, create_conference_cb, NULL);
+
+      g_object_unref (req);
+      g_hash_table_unref (props);
+    }
+  else
+    {
+      g_warning ("Cannot add to this channel");
+    }
 }
 
 static void
 tp_chat_remove (EmpathyContactList *list,
-		EmpathyContact     *contact,
-		const gchar        *message)
+    EmpathyContact *contact,
+    const gchar *message)
 {
-	EmpathyTpChat *self = (EmpathyTpChat *) list;
-	TpHandle           handle;
-	GArray             handles = {(gchar *) &handle, 1};
+  EmpathyTpChat *self = (EmpathyTpChat *) list;
+  TpHandle handle;
+  GArray handles = {(gchar *) &handle, 1};
 
-	g_return_if_fail (EMPATHY_IS_TP_CHAT (list));
-	g_return_if_fail (EMPATHY_IS_CONTACT (contact));
+  g_return_if_fail (EMPATHY_IS_TP_CHAT (list));
+  g_return_if_fail (EMPATHY_IS_CONTACT (contact));
 
-	handle = empathy_contact_get_handle (contact);
-	tp_cli_channel_interface_group_call_remove_members ((TpChannel *) self, -1,
-							    &handles, NULL,
-							    NULL, NULL, NULL,
-							    NULL);
+  handle = empathy_contact_get_handle (contact);
+  tp_cli_channel_interface_group_call_remove_members ((TpChannel *) self, -1,
+      &handles, NULL, NULL, NULL, NULL, NULL);
 }
 
 static GList *
 tp_chat_get_members (EmpathyContactList *list)
 {
-	EmpathyTpChat *self = (EmpathyTpChat *) list;
-	GList             *members = NULL;
+  EmpathyTpChat *self = (EmpathyTpChat *) list;
+  GList *members = NULL;
+
+  g_return_val_if_fail (EMPATHY_IS_TP_CHAT (list), NULL);
 
-	g_return_val_if_fail (EMPATHY_IS_TP_CHAT (list), NULL);
+  if (self->priv->members)
+    {
+      members = g_list_copy (self->priv->members);
+      g_list_foreach (members, (GFunc) g_object_ref, NULL);
+    }
+  else
+    {
+      members = g_list_prepend (members, g_object_ref (self->priv->user));
 
-	if (self->priv->members) {
-		members = g_list_copy (self->priv->members);
-		g_list_foreach (members, (GFunc) g_object_ref, NULL);
-	} else {
-		members = g_list_prepend (members, g_object_ref (self->priv->user));
-		if (self->priv->remote_contact != NULL)
-			members = g_list_prepend (members, g_object_ref (self->priv->remote_contact));
-	}
+      if (self->priv->remote_contact != NULL)
+        members = g_list_prepend (members,
+            g_object_ref (self->priv->remote_contact));
+    }
 
-	return members;
+  return members;
 }
 
 static void
 check_ready (EmpathyTpChat *self)
 {
-	if (self->priv->ready_result == NULL)
-		return;
+  if (self->priv->ready_result == NULL)
+    return;
 
-	if (g_queue_get_length (self->priv->messages_queue) > 0)
-		return;
+  if (g_queue_get_length (self->priv->messages_queue) > 0)
+    return;
 
-	DEBUG ("Ready");
+  DEBUG ("Ready");
 
-	g_simple_async_result_complete (self->priv->ready_result);
-	tp_clear_object (&self->priv->ready_result);
+  g_simple_async_result_complete (self->priv->ready_result);
+  tp_clear_object (&self->priv->ready_result);
 }
 
 static void
 tp_chat_emit_queued_messages (EmpathyTpChat *self)
 {
-	EmpathyMessage    *message;
+  EmpathyMessage *message;
 
-	/* Check if we can now emit some queued messages */
-	while ((message = g_queue_peek_head (self->priv->messages_queue)) != NULL) {
-		if (empathy_message_get_sender (message) == NULL) {
-			break;
-		}
+  /* Check if we can now emit some queued messages */
+  while ((message = g_queue_peek_head (self->priv->messages_queue)) != NULL)
+    {
+      if (empathy_message_get_sender (message) == NULL)
+        break;
 
-		DEBUG ("Queued message ready");
-		g_queue_pop_head (self->priv->messages_queue);
-		g_queue_push_tail (self->priv->pending_messages_queue, message);
-		g_signal_emit (self, signals[MESSAGE_RECEIVED], 0, message);
-	}
+      DEBUG ("Queued message ready");
+      g_queue_pop_head (self->priv->messages_queue);
+      g_queue_push_tail (self->priv->pending_messages_queue, message);
+      g_signal_emit (self, signals[MESSAGE_RECEIVED], 0, message);
+    }
 
-	check_ready (self);
+  check_ready (self);
 }
 
 static void
-tp_chat_got_sender_cb (TpConnection            *connection,
-		       EmpathyContact          *contact,
-		       const GError            *error,
-		       gpointer                 message,
-		       GObject                 *chat)
+tp_chat_got_sender_cb (TpConnection *connection,
+    EmpathyContact *contact,
+    const GError *error,
+    gpointer message,
+    GObject *chat)
 {
-	EmpathyTpChat *self = (EmpathyTpChat *) chat;
+  EmpathyTpChat *self = (EmpathyTpChat *) chat;
 
-	if (error) {
-		DEBUG ("Error: %s", error->message);
-		/* Do not block the message queue, just drop this message */
-		g_queue_remove (self->priv->messages_queue, message);
-	} else {
-		empathy_message_set_sender (message, contact);
-	}
+  if (error)
+    {
+      DEBUG ("Error: %s", error->message);
+      /* Do not block the message queue, just drop this message */
+      g_queue_remove (self->priv->messages_queue, message);
+    }
+  else
+    {
+      empathy_message_set_sender (message, contact);
+    }
 
-	tp_chat_emit_queued_messages (EMPATHY_TP_CHAT (self));
+  tp_chat_emit_queued_messages (EMPATHY_TP_CHAT (self));
 }
 
 static void
 tp_chat_build_message (EmpathyTpChat *self,
-		       TpMessage     *msg,
-		       gboolean       incoming)
+    TpMessage *msg,
+    gboolean incoming)
 {
-	EmpathyMessage    *message;
-	TpContact *sender;
+  EmpathyMessage *message;
+  TpContact *sender;
 
-	message = empathy_message_new_from_tp_message (msg, incoming);
-	/* FIXME: this is actually a lie for incoming messages. */
-	empathy_message_set_receiver (message, self->priv->user);
+  message = empathy_message_new_from_tp_message (msg, incoming);
+  /* FIXME: this is actually a lie for incoming messages. */
+  empathy_message_set_receiver (message, self->priv->user);
 
-	g_queue_push_tail (self->priv->messages_queue, message);
+  g_queue_push_tail (self->priv->messages_queue, message);
 
-	sender = tp_signalled_message_get_sender (msg);
-	g_assert (sender != NULL);
+  sender = tp_signalled_message_get_sender (msg);
+  g_assert (sender != NULL);
 
-	if (tp_contact_get_handle (sender) == 0) {
-		empathy_message_set_sender (message, self->priv->user);
-		tp_chat_emit_queued_messages (self);
-	} else {
-		TpConnection *connection = tp_channel_borrow_connection (
-			(TpChannel *) self);
+  if (tp_contact_get_handle (sender) == 0)
+    {
+      empathy_message_set_sender (message, self->priv->user);
+      tp_chat_emit_queued_messages (self);
+    }
+  else
+    {
+      TpConnection *connection = tp_channel_borrow_connection (
+        (TpChannel *) self);
 
-		empathy_tp_contact_factory_get_from_handle (connection,
-			tp_contact_get_handle (sender),
-			tp_chat_got_sender_cb,
-			message, NULL, G_OBJECT (self));
-	}
+      empathy_tp_contact_factory_get_from_handle (connection,
+        tp_contact_get_handle (sender),
+        tp_chat_got_sender_cb,
+        message, NULL, G_OBJECT (self));
+    }
 }
 
 static void
 handle_delivery_report (EmpathyTpChat *self,
-		TpMessage *message)
-{
-	TpDeliveryStatus delivery_status;
-	const GHashTable *header;
-	TpChannelTextSendError delivery_error;
-	gboolean valid;
-	GPtrArray *echo;
-	const gchar *message_body = NULL;
-	const gchar *delivery_dbus_error;
-	const gchar *delivery_token = NULL;
-
-	header = tp_message_peek (message, 0);
-	if (header == NULL)
-		goto out;
-
-	delivery_token = tp_asv_get_string (header, "delivery-token");
-	delivery_status = tp_asv_get_uint32 (header, "delivery-status", &valid);
-
-	if (!valid) {
-		goto out;
-	} else if (delivery_status == TP_DELIVERY_STATUS_ACCEPTED) {
-		DEBUG ("Accepted %s", delivery_token);
-		tp_chat_set_delivery_status (self, delivery_token,
-			EMPATHY_DELIVERY_STATUS_ACCEPTED);
-		goto out;
-	} else if (delivery_status == TP_DELIVERY_STATUS_DELIVERED) {
-		DEBUG ("Delivered %s", delivery_token);
-		tp_chat_set_delivery_status (self, delivery_token,
-			EMPATHY_DELIVERY_STATUS_NONE);
-		goto out;
-	} else if (delivery_status != TP_DELIVERY_STATUS_PERMANENTLY_FAILED &&
-		   delivery_status != TP_DELIVERY_STATUS_TEMPORARILY_FAILED) {
-		goto out;
-	}
-
-	delivery_error = tp_asv_get_uint32 (header, "delivery-error", &valid);
-	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",
-		TP_ARRAY_TYPE_MESSAGE_PART_LIST);
-	if (echo != NULL && echo->len >= 2) {
-		const GHashTable *echo_body;
-
-		echo_body = g_ptr_array_index (echo, 1);
-		if (echo_body != NULL)
-			message_body = tp_asv_get_string (echo_body, "content");
-	}
-
-	tp_chat_set_delivery_status (self, delivery_token,
-			EMPATHY_DELIVERY_STATUS_NONE);
-	g_signal_emit (self, signals[SEND_ERROR], 0, message_body,
-			delivery_error, delivery_dbus_error);
+    TpMessage *message)
+{
+  TpDeliveryStatus delivery_status;
+  const GHashTable *header;
+  TpChannelTextSendError delivery_error;
+  gboolean valid;
+  GPtrArray *echo;
+  const gchar *message_body = NULL;
+  const gchar *delivery_dbus_error;
+  const gchar *delivery_token = NULL;
+
+  header = tp_message_peek (message, 0);
+  if (header == NULL)
+    goto out;
+
+  delivery_token = tp_asv_get_string (header, "delivery-token");
+  delivery_status = tp_asv_get_uint32 (header, "delivery-status", &valid);
+
+  if (!valid)
+    {
+      goto out;
+    }
+  else if (delivery_status == TP_DELIVERY_STATUS_ACCEPTED)
+    {
+      DEBUG ("Accepted %s", delivery_token);
+      tp_chat_set_delivery_status (self, delivery_token,
+        EMPATHY_DELIVERY_STATUS_ACCEPTED);
+      goto out;
+    }
+  else if (delivery_status == TP_DELIVERY_STATUS_DELIVERED)
+    {
+      DEBUG ("Delivered %s", delivery_token);
+      tp_chat_set_delivery_status (self, delivery_token,
+        EMPATHY_DELIVERY_STATUS_NONE);
+      goto out;
+    }
+  else if (delivery_status != TP_DELIVERY_STATUS_PERMANENTLY_FAILED &&
+       delivery_status != TP_DELIVERY_STATUS_TEMPORARILY_FAILED)
+    {
+      goto out;
+    }
+
+  delivery_error = tp_asv_get_uint32 (header, "delivery-error", &valid);
+  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",
+    TP_ARRAY_TYPE_MESSAGE_PART_LIST);
+  if (echo != NULL && echo->len >= 2)
+    {
+      const GHashTable *echo_body;
+
+      echo_body = g_ptr_array_index (echo, 1);
+      if (echo_body != NULL)
+        message_body = tp_asv_get_string (echo_body, "content");
+    }
+
+  tp_chat_set_delivery_status (self, delivery_token,
+      EMPATHY_DELIVERY_STATUS_NONE);
+  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 (self),
-		message, NULL, NULL);
+  tp_text_channel_ack_message_async (TP_TEXT_CHANNEL (self),
+    message, NULL, NULL);
 }
 
 static void
 handle_incoming_message (EmpathyTpChat *self,
-			 TpMessage *message,
-			 gboolean pending)
+    TpMessage *message,
+    gboolean pending)
 {
-	gchar *message_body;
+  gchar *message_body;
 
-	if (tp_message_is_delivery_report (message)) {
-		handle_delivery_report (self, message);
-		return;
-	}
+  if (tp_message_is_delivery_report (message))
+    {
+      handle_delivery_report (self, message);
+      return;
+    }
 
-	message_body = tp_message_to_text (message, NULL);
+  message_body = tp_message_to_text (message, NULL);
 
-	DEBUG ("Message %s (channel %s): %s",
-		pending ? "pending" : "received",
-		tp_proxy_get_object_path (self), message_body);
+  DEBUG ("Message %s (channel %s): %s",
+    pending ? "pending" : "received",
+    tp_proxy_get_object_path (self), message_body);
 
-	if (message_body == NULL) {
-		DEBUG ("Empty message with NonTextContent, ignoring and acking.");
+  if (message_body == NULL)
+    {
+      DEBUG ("Empty message with NonTextContent, ignoring and acking.");
 
-		tp_text_channel_ack_message_async (TP_TEXT_CHANNEL (self),
-			message, NULL, NULL);
-		return;
-	}
+      tp_text_channel_ack_message_async (TP_TEXT_CHANNEL (self),
+        message, NULL, NULL);
+      return;
+    }
 
-	tp_chat_build_message (self, message, TRUE);
+  tp_chat_build_message (self, message, TRUE);
 
-	g_free (message_body);
+  g_free (message_body);
 }
 
 static void
-message_received_cb (TpTextChannel   *channel,
-		     TpMessage *message,
-		     EmpathyTpChat *self)
+message_received_cb (TpTextChannel *channel,
+    TpMessage *message,
+    EmpathyTpChat *self)
 {
-	handle_incoming_message (self, message, FALSE);
+  handle_incoming_message (self, message, FALSE);
 }
 
 static gboolean
 find_pending_message_func (gconstpointer a,
-			   gconstpointer b)
+    gconstpointer b)
 {
-	EmpathyMessage *msg = (EmpathyMessage *) a;
-	TpMessage *message = (TpMessage *) b;
+  EmpathyMessage *msg = (EmpathyMessage *) a;
+  TpMessage *message = (TpMessage *) b;
 
-	if (empathy_message_get_tp_message (msg) == message)
-		return 0;
+  if (empathy_message_get_tp_message (msg) == message)
+    return 0;
 
-	return -1;
+  return -1;
 }
 
 static void
 pending_message_removed_cb (TpTextChannel   *channel,
-		            TpMessage *message,
-		            EmpathyTpChat *self)
+    TpMessage *message,
+    EmpathyTpChat *self)
 {
-	GList *m;
+  GList *m;
 
-	m = g_queue_find_custom (self->priv->pending_messages_queue, message,
-				 find_pending_message_func);
+  m = g_queue_find_custom (self->priv->pending_messages_queue, message,
+      find_pending_message_func);
 
-	if (m == NULL)
-		return;
+  if (m == NULL)
+    return;
 
-	g_signal_emit (self, signals[MESSAGE_ACKNOWLEDGED], 0, m->data);
+  g_signal_emit (self, signals[MESSAGE_ACKNOWLEDGED], 0, m->data);
 
-	g_object_unref (m->data);
-	g_queue_delete_link (self->priv->pending_messages_queue, m);
+  g_object_unref (m->data);
+  g_queue_delete_link (self->priv->pending_messages_queue, m);
 }
 
 static void
-message_sent_cb (TpTextChannel   *channel,
-		 TpMessage *message,
-		 TpMessageSendingFlags flags,
-		 gchar              *token,
-		 EmpathyTpChat      *self)
+message_sent_cb (TpTextChannel *channel,
+    TpMessage *message,
+    TpMessageSendingFlags flags,
+    gchar *token,
+    EmpathyTpChat *self)
 {
-	gchar *message_body;
+  gchar *message_body;
 
-	message_body = tp_message_to_text (message, NULL);
+  message_body = tp_message_to_text (message, NULL);
 
-	DEBUG ("Message sent: %s", message_body);
+  DEBUG ("Message sent: %s", message_body);
 
-	tp_chat_build_message (self, message, FALSE);
+  tp_chat_build_message (self, message, FALSE);
 
-	g_free (message_body);
+  g_free (message_body);
 }
 
 static TpChannelTextSendError
 error_to_text_send_error (GError *error)
 {
-	if (error->domain != TP_ERRORS)
-		return TP_CHANNEL_TEXT_SEND_ERROR_UNKNOWN;
+  if (error->domain != TP_ERRORS)
+    return TP_CHANNEL_TEXT_SEND_ERROR_UNKNOWN;
 
-	switch (error->code) {
-		case TP_ERROR_OFFLINE:
-			return TP_CHANNEL_TEXT_SEND_ERROR_OFFLINE;
-		case TP_ERROR_INVALID_HANDLE:
-			return TP_CHANNEL_TEXT_SEND_ERROR_INVALID_CONTACT;
-		case TP_ERROR_PERMISSION_DENIED:
-			return TP_CHANNEL_TEXT_SEND_ERROR_PERMISSION_DENIED;
-		case TP_ERROR_NOT_IMPLEMENTED:
-			return TP_CHANNEL_TEXT_SEND_ERROR_NOT_IMPLEMENTED;
-	}
+  switch (error->code)
+    {
+      case TP_ERROR_OFFLINE:
+        return TP_CHANNEL_TEXT_SEND_ERROR_OFFLINE;
+      case TP_ERROR_INVALID_HANDLE:
+        return TP_CHANNEL_TEXT_SEND_ERROR_INVALID_CONTACT;
+      case TP_ERROR_PERMISSION_DENIED:
+        return TP_CHANNEL_TEXT_SEND_ERROR_PERMISSION_DENIED;
+      case TP_ERROR_NOT_IMPLEMENTED:
+        return TP_CHANNEL_TEXT_SEND_ERROR_NOT_IMPLEMENTED;
+    }
 
-	return TP_CHANNEL_TEXT_SEND_ERROR_UNKNOWN;
+  return TP_CHANNEL_TEXT_SEND_ERROR_UNKNOWN;
 }
 
 static void
 message_send_cb (GObject *source,
-		 GAsyncResult *result,
-		 gpointer      user_data)
+     GAsyncResult *result,
+     gpointer user_data)
 {
-	EmpathyTpChat *self = user_data;
-	TpTextChannel *channel = (TpTextChannel *) source;
-	gchar *token = NULL;
-	GError *error = NULL;
+  EmpathyTpChat *self = user_data;
+  TpTextChannel *channel = (TpTextChannel *) source;
+  gchar *token = NULL;
+  GError *error = NULL;
 
-	if (!tp_text_channel_send_message_finish (channel, result, &token, &error)) {
-		DEBUG ("Error: %s", error->message);
+  if (!tp_text_channel_send_message_finish (channel, result, &token, &error))
+    {
+      DEBUG ("Error: %s", error->message);
 
-		/* FIXME: we should use the body of the message as first argument of the
-		 * signal but can't easily get it as we just get a user_data pointer. Once
-		 * 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 (self, signals[SEND_ERROR], 0,
-			       NULL, error_to_text_send_error (error), NULL);
+      /* FIXME: we should use the body of the message as first argument of the
+       * signal but can't easily get it as we just get a user_data pointer. Once
+       * 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 (self, signals[SEND_ERROR], 0,
+               NULL, error_to_text_send_error (error), NULL);
 
-		g_error_free (error);
-	}
+      g_error_free (error);
+    }
 
-	tp_chat_set_delivery_status (self, token,
-		EMPATHY_DELIVERY_STATUS_SENDING);
-	g_free (token);
+  tp_chat_set_delivery_status (self, token,
+    EMPATHY_DELIVERY_STATUS_SENDING);
+  g_free (token);
 }
 
 typedef struct {
-	EmpathyTpChat *chat;
-	TpChannelChatState state;
+  EmpathyTpChat *chat;
+  TpChannelChatState state;
 } StateChangedData;
 
 static void
-tp_chat_state_changed_got_contact_cb (TpConnection            *connection,
-				      EmpathyContact          *contact,
-				      const GError            *error,
-				      gpointer                 user_data,
-				      GObject                 *chat)
+tp_chat_state_changed_got_contact_cb (TpConnection *connection,
+    EmpathyContact *contact,
+    const GError *error,
+    gpointer user_data,
+    GObject *chat)
 {
-	TpChannelChatState state;
+  TpChannelChatState state;
 
-	if (error) {
-		DEBUG ("Error: %s", error->message);
-		return;
-	}
+  if (error != NULL)
+    {
+      DEBUG ("Error: %s", error->message);
+      return;
+    }
 
-	state = GPOINTER_TO_UINT (user_data);
-	DEBUG ("Chat state changed for %s (%d): %d",
-		empathy_contact_get_alias (contact),
-		empathy_contact_get_handle (contact), state);
+  state = GPOINTER_TO_UINT (user_data);
+  DEBUG ("Chat state changed for %s (%d): %d",
+    empathy_contact_get_alias (contact),
+    empathy_contact_get_handle (contact), state);
 
-	g_signal_emit (chat, signals[CHAT_STATE_CHANGED], 0, contact, state);
+  g_signal_emit (chat, signals[CHAT_STATE_CHANGED], 0, contact, state);
 }
 
 static void
 tp_chat_state_changed_cb (TpChannel *channel,
-			  TpHandle   handle,
-			  TpChannelChatState state,
-			  EmpathyTpChat *self)
+    TpHandle handle,
+    TpChannelChatState state,
+    EmpathyTpChat *self)
 {
-	TpConnection *connection = tp_channel_borrow_connection (
-		(TpChannel *) self);
+  TpConnection *connection = tp_channel_borrow_connection (
+    (TpChannel *) self);
 
-	empathy_tp_contact_factory_get_from_handle (connection, handle,
-		tp_chat_state_changed_got_contact_cb, GUINT_TO_POINTER (state),
-		NULL, G_OBJECT (self));
+  empathy_tp_contact_factory_get_from_handle (connection, handle,
+    tp_chat_state_changed_got_contact_cb, GUINT_TO_POINTER (state),
+    NULL, G_OBJECT (self));
 }
 
 static void
 list_pending_messages (EmpathyTpChat *self)
 {
-	GList *messages, *l;
+  GList *messages, *l;
 
-	messages = tp_text_channel_get_pending_messages (
-		TP_TEXT_CHANNEL (self));
+  messages = tp_text_channel_get_pending_messages (TP_TEXT_CHANNEL (self));
 
-	for (l = messages; l != NULL; l = g_list_next (l)) {
-		TpMessage *message = l->data;
+  for (l = messages; l != NULL; l = g_list_next (l))
+    {
+      TpMessage *message = l->data;
 
-		handle_incoming_message (self, message, FALSE);
-	}
+      handle_incoming_message (self, message, FALSE);
+    }
 
-	g_list_free (messages);
+  g_list_free (messages);
 }
 
 static void
 update_subject (EmpathyTpChat *self,
-		GHashTable *properties)
+    GHashTable *properties)
 {
-	EmpathyTpChatPrivate *priv = self->priv;
-	gboolean can_set, valid;
-	const gchar *subject;
+  EmpathyTpChatPrivate *priv = self->priv;
+  gboolean can_set, valid;
+  const gchar *subject;
 
-	can_set = tp_asv_get_boolean (properties, "CanSet", &valid);
-	if (valid) {
-		priv->can_set_subject = can_set;
-	}
+  can_set = tp_asv_get_boolean (properties, "CanSet", &valid);
+  if (valid)
+    priv->can_set_subject = can_set;
 
-	subject = tp_asv_get_string (properties, "Subject");
-	if (subject != NULL) {
-		const gchar *actor;
+  subject = tp_asv_get_string (properties, "Subject");
+  if (subject != NULL)
+    {
+      const gchar *actor;
 
-		g_free (priv->subject);
-		priv->subject = g_strdup (subject);
+      g_free (priv->subject);
+      priv->subject = g_strdup (subject);
 
-		/* If the actor is included with this update, use it;
-		 * otherwise, clear it to avoid showing stale information.
-		 * Why might it not be included? When you join an IRC channel,
-		 * you get a pair of messages: first, the current topic; next,
-		 * who set it, and when. Idle reports these in two separate
-		 * signals.
-		 */
-		actor = tp_asv_get_string (properties, "Actor");
-		g_free (priv->subject_actor);
-		priv->subject_actor = g_strdup (actor);
+      /* If the actor is included with this update, use it;
+       * otherwise, clear it to avoid showing stale information.
+       * Why might it not be included? When you join an IRC channel,
+       * you get a pair of messages: first, the current topic; next,
+       * who set it, and when. Idle reports these in two separate
+       * signals.
+       */
+      actor = tp_asv_get_string (properties, "Actor");
+      g_free (priv->subject_actor);
+      priv->subject_actor = g_strdup (actor);
 
-		g_object_notify (G_OBJECT (self), "subject");
-	}
+      g_object_notify (G_OBJECT (self), "subject");
+    }
 
-	/* TODO: track Timestamp. */
+  /* TODO: track Timestamp. */
 }
 
 static void
-tp_chat_get_all_subject_cb (TpProxy      *proxy,
-			    GHashTable   *properties,
-			    const GError *error,
-			    gpointer      user_data G_GNUC_UNUSED,
-			    GObject      *chat)
+tp_chat_get_all_subject_cb (TpProxy *proxy,
+    GHashTable *properties,
+    const GError *error,
+    gpointer user_data G_GNUC_UNUSED,
+    GObject *chat)
 {
-	EmpathyTpChat *self = EMPATHY_TP_CHAT (chat);
-	EmpathyTpChatPrivate *priv = self->priv;
+  EmpathyTpChat *self = EMPATHY_TP_CHAT (chat);
+  EmpathyTpChatPrivate *priv = self->priv;
 
-	if (error) {
-		DEBUG ("Error fetching subject: %s", error->message);
-		return;
-	}
+  if (error != NULL)
+    {
+      DEBUG ("Error fetching subject: %s", error->message);
+      return;
+    }
 
-	priv->supports_subject = TRUE;
-	update_subject (self, properties);
+  priv->supports_subject = TRUE;
+  update_subject (self, properties);
 }
 
 static void
 update_title (EmpathyTpChat *self,
-	      GHashTable *properties)
+    GHashTable *properties)
 {
-	EmpathyTpChatPrivate *priv = self->priv;
-	const gchar *title = tp_asv_get_string (properties, "Title");
+  EmpathyTpChatPrivate *priv = self->priv;
+  const gchar *title = tp_asv_get_string (properties, "Title");
 
-	if (title != NULL) {
-		if (tp_str_empty (title)) {
-			title = NULL;
-		}
+  if (title != NULL)
+    {
+      if (tp_str_empty (title))
+        title = NULL;
 
-		g_free (priv->title);
-		priv->title = g_strdup (title);
-		g_object_notify (G_OBJECT (self), "title");
-	}
+      g_free (priv->title);
+      priv->title = g_strdup (title);
+      g_object_notify (G_OBJECT (self), "title");
+    }
 }
 
 static void
-tp_chat_get_all_room_config_cb (TpProxy      *proxy,
-				GHashTable   *properties,
-				const GError *error,
-				gpointer      user_data G_GNUC_UNUSED,
-				GObject      *chat)
+tp_chat_get_all_room_config_cb (TpProxy *proxy,
+    GHashTable *properties,
+    const GError *error,
+    gpointer user_data G_GNUC_UNUSED,
+    GObject *chat)
 {
-	EmpathyTpChat *self = EMPATHY_TP_CHAT (chat);
+  EmpathyTpChat *self = EMPATHY_TP_CHAT (chat);
 
-	if (error) {
-		DEBUG ("Error fetching room config: %s", error->message);
-		return;
-	}
+  if (error)
+    {
+      DEBUG ("Error fetching room config: %s", error->message);
+      return;
+    }
 
-	update_title (self, properties);
+  update_title (self, properties);
 }
 
 static void
 tp_chat_dbus_properties_changed_cb (TpProxy *proxy,
-				    const gchar *interface_name,
-				    GHashTable *changed,
-				    const gchar **invalidated,
-				    gpointer user_data,
-				    GObject *chat)
+    const gchar *interface_name,
+    GHashTable *changed,
+    const gchar **invalidated,
+    gpointer user_data,
+    GObject *chat)
 {
-	EmpathyTpChat *self = EMPATHY_TP_CHAT (chat);
+  EmpathyTpChat *self = EMPATHY_TP_CHAT (chat);
 
-	if (!tp_strdiff (interface_name, TP_IFACE_CHANNEL_INTERFACE_SUBJECT)) {
-		update_subject (self, changed);
-	}
+  if (!tp_strdiff (interface_name, TP_IFACE_CHANNEL_INTERFACE_SUBJECT))
+    update_subject (self, changed);
 
-	if (!tp_strdiff (interface_name, TP_IFACE_CHANNEL_INTERFACE_ROOM_CONFIG)) {
-		update_title (self, changed);
-	}
+  if (!tp_strdiff (interface_name, TP_IFACE_CHANNEL_INTERFACE_ROOM_CONFIG))
+    update_title (self, changed);
 }
 
 void
 empathy_tp_chat_set_subject (EmpathyTpChat *self,
-			     const gchar   *subject)
+    const gchar *subject)
 {
-	tp_cli_channel_interface_subject_call_set_subject (TP_CHANNEL (self), -1,
-							   subject,
-							   tp_chat_async_cb,
-							   "while setting subject", NULL,
-							   G_OBJECT (self));
+  tp_cli_channel_interface_subject_call_set_subject (TP_CHANNEL (self), -1,
+      subject, tp_chat_async_cb, "while setting subject", NULL,
+      G_OBJECT (self));
 }
 
 const gchar *
 empathy_tp_chat_get_title (EmpathyTpChat *self)
 {
-	EmpathyTpChatPrivate *priv = self->priv;
+  EmpathyTpChatPrivate *priv = self->priv;
 
-	return priv->title;
+  return priv->title;
 }
 
 gboolean
 empathy_tp_chat_supports_subject (EmpathyTpChat *self)
 {
-	EmpathyTpChatPrivate *priv = self->priv;
+  EmpathyTpChatPrivate *priv = self->priv;
 
-	return priv->supports_subject;
+  return priv->supports_subject;
 }
 
 gboolean
 empathy_tp_chat_can_set_subject (EmpathyTpChat *self)
 {
-	EmpathyTpChatPrivate *priv = self->priv;
+  EmpathyTpChatPrivate *priv = self->priv;
 
-	return priv->can_set_subject;
+  return priv->can_set_subject;
 }
 
 const gchar *
 empathy_tp_chat_get_subject (EmpathyTpChat *self)
 {
-	EmpathyTpChatPrivate *priv = self->priv;
+  EmpathyTpChatPrivate *priv = self->priv;
 
-	return priv->subject;
+  return priv->subject;
 }
 
 const gchar *
 empathy_tp_chat_get_subject_actor (EmpathyTpChat *self)
 {
-	EmpathyTpChatPrivate *priv = self->priv;
+  EmpathyTpChatPrivate *priv = self->priv;
 
-	return priv->subject_actor;
+  return priv->subject_actor;
 }
 
 static void
 tp_chat_dispose (GObject *object)
 {
-	EmpathyTpChat *self = EMPATHY_TP_CHAT (object);
+  EmpathyTpChat *self = EMPATHY_TP_CHAT (object);
 
-	tp_clear_object (&self->priv->account);
-	tp_clear_object (&self->priv->remote_contact);
-	tp_clear_object (&self->priv->user);
+  tp_clear_object (&self->priv->account);
+  tp_clear_object (&self->priv->remote_contact);
+  tp_clear_object (&self->priv->user);
 
-	g_queue_foreach (self->priv->messages_queue, (GFunc) g_object_unref, NULL);
-	g_queue_clear (self->priv->messages_queue);
+  g_queue_foreach (self->priv->messages_queue, (GFunc) g_object_unref, NULL);
+  g_queue_clear (self->priv->messages_queue);
 
-	g_queue_foreach (self->priv->pending_messages_queue,
-		(GFunc) g_object_unref, NULL);
-	g_queue_clear (self->priv->pending_messages_queue);
+  g_queue_foreach (self->priv->pending_messages_queue,
+    (GFunc) g_object_unref, NULL);
+  g_queue_clear (self->priv->pending_messages_queue);
 
-	tp_clear_object (&self->priv->ready_result);
+  tp_clear_object (&self->priv->ready_result);
 
-	if (G_OBJECT_CLASS (empathy_tp_chat_parent_class)->dispose)
-		G_OBJECT_CLASS (empathy_tp_chat_parent_class)->dispose (object);
+  if (G_OBJECT_CLASS (empathy_tp_chat_parent_class)->dispose)
+    G_OBJECT_CLASS (empathy_tp_chat_parent_class)->dispose (object);
 }
 
 static void
 tp_chat_finalize (GObject *object)
 {
-	EmpathyTpChat *self = (EmpathyTpChat *) object;
+  EmpathyTpChat *self = (EmpathyTpChat *) object;
 
-	DEBUG ("Finalize: %p", object);
+  DEBUG ("Finalize: %p", object);
 
-	g_queue_free (self->priv->messages_queue);
-	g_queue_free (self->priv->pending_messages_queue);
-	g_hash_table_unref (self->priv->messages_being_sent);
+  g_queue_free (self->priv->messages_queue);
+  g_queue_free (self->priv->pending_messages_queue);
+  g_hash_table_unref (self->priv->messages_being_sent);
 
-	g_free (self->priv->title);
-	g_free (self->priv->subject);
-	g_free (self->priv->subject_actor);
+  g_free (self->priv->title);
+  g_free (self->priv->subject);
+  g_free (self->priv->subject_actor);
 
-	G_OBJECT_CLASS (empathy_tp_chat_parent_class)->finalize (object);
+  G_OBJECT_CLASS (empathy_tp_chat_parent_class)->finalize (object);
 }
 
 static void
 check_almost_ready (EmpathyTpChat *self)
 {
-	TpChannel *channel = (TpChannel *) self;
+  TpChannel *channel = (TpChannel *) self;
 
-	if (self->priv->ready_result == NULL)
-		return;
+  if (self->priv->ready_result == NULL)
+    return;
 
-	if (self->priv->user == NULL)
-		return;
+  if (self->priv->user == NULL)
+    return;
 
-	/* We need either the members (room) or the remote contact (private chat).
-	 * If the chat is protected by a password we can't get these information so
-	 * consider the chat as ready so it can be presented to the user. */
-	if (!tp_channel_password_needed (channel) && self->priv->members == NULL &&
-	    self->priv->remote_contact == NULL)
-		return;
+  /* We need either the members (room) or the remote contact (private chat).
+   * If the chat is protected by a password we can't get these information so
+   * consider the chat as ready so it can be presented to the user. */
+  if (!tp_channel_password_needed (channel) && self->priv->members == NULL &&
+      self->priv->remote_contact == NULL)
+    return;
 
-	g_assert (tp_proxy_is_prepared (self,
-		TP_TEXT_CHANNEL_FEATURE_INCOMING_MESSAGES));
+  g_assert (tp_proxy_is_prepared (self,
+    TP_TEXT_CHANNEL_FEATURE_INCOMING_MESSAGES));
 
-	tp_g_signal_connect_object (self, "message-received",
-		G_CALLBACK (message_received_cb), self, 0);
-	tp_g_signal_connect_object (self, "pending-message-removed",
-		G_CALLBACK (pending_message_removed_cb), self, 0);
+  tp_g_signal_connect_object (self, "message-received",
+    G_CALLBACK (message_received_cb), self, 0);
+  tp_g_signal_connect_object (self, "pending-message-removed",
+    G_CALLBACK (pending_message_removed_cb), self, 0);
 
-	list_pending_messages (self);
+  list_pending_messages (self);
 
-	tp_g_signal_connect_object (self, "message-sent",
-		G_CALLBACK (message_sent_cb), self, 0);
+  tp_g_signal_connect_object (self, "message-sent",
+    G_CALLBACK (message_sent_cb), self, 0);
 
-	tp_g_signal_connect_object (self, "chat-state-changed",
-		G_CALLBACK (tp_chat_state_changed_cb), self, 0);
+  tp_g_signal_connect_object (self, "chat-state-changed",
+    G_CALLBACK (tp_chat_state_changed_cb), self, 0);
 
-	check_ready (self);
+  check_ready (self);
 }
 
 static void
-tp_chat_got_added_contacts_cb (TpConnection            *connection,
-			       guint                    n_contacts,
-			       EmpathyContact * const * contacts,
-			       guint                    n_failed,
-			       const TpHandle          *failed,
-			       const GError            *error,
-			       gpointer                 user_data,
-			       GObject                 *chat)
-{
-	EmpathyTpChat *self = (EmpathyTpChat *) chat;
-	guint i;
-	const TpIntSet *members;
-	TpHandle handle;
-	EmpathyContact *contact;
-
-	if (error) {
-		DEBUG ("Error: %s", error->message);
-		return;
-	}
-
-	members = tp_channel_group_get_members ((TpChannel *) self);
-	for (i = 0; i < n_contacts; i++) {
-		contact = contacts[i];
-		handle = empathy_contact_get_handle (contact);
-
-		/* Make sure the contact is still member */
-		if (tp_intset_is_member (members, handle)) {
-			self->priv->members = g_list_prepend (self->priv->members,
-				g_object_ref (contact));
-			g_signal_emit_by_name (chat, "members-changed",
-					       contact, NULL, 0, NULL, TRUE);
-		}
-	}
-
-	check_almost_ready (EMPATHY_TP_CHAT (chat));
+tp_chat_got_added_contacts_cb (TpConnection *connection,
+    guint n_contacts,
+    EmpathyContact * const * contacts,
+    guint n_failed,
+    const TpHandle *failed,
+    const GError *error,
+    gpointer user_data,
+    GObject *chat)
+{
+  EmpathyTpChat *self = (EmpathyTpChat *) chat;
+  guint i;
+  const TpIntSet *members;
+  TpHandle handle;
+  EmpathyContact *contact;
+
+  if (error)
+    {
+      DEBUG ("Error: %s", error->message);
+      return;
+    }
+
+  members = tp_channel_group_get_members ((TpChannel *) self);
+  for (i = 0; i < n_contacts; i++)
+    {
+      contact = contacts[i];
+      handle = empathy_contact_get_handle (contact);
+
+      /* Make sure the contact is still member */
+      if (tp_intset_is_member (members, handle))
+        {
+          self->priv->members = g_list_prepend (self->priv->members,
+            g_object_ref (contact));
+          g_signal_emit_by_name (chat, "members-changed",
+                     contact, NULL, 0, NULL, TRUE);
+        }
+    }
+
+  check_almost_ready (EMPATHY_TP_CHAT (chat));
 }
 
 static EmpathyContact *
 chat_lookup_contact (EmpathyTpChat *self,
-		     TpHandle       handle,
-		     gboolean       remove_)
+    TpHandle handle,
+    gboolean remove_)
 {
-	GList *l;
+  GList *l;
 
-	for (l = self->priv->members; l; l = l->next) {
-		EmpathyContact *c = l->data;
+  for (l = self->priv->members; l; l = l->next)
+    {
+      EmpathyContact *c = l->data;
 
-		if (empathy_contact_get_handle (c) != handle) {
-			continue;
-		}
+      if (empathy_contact_get_handle (c) != handle)
+        continue;
 
-		if (remove_) {
-			/* Caller takes the reference. */
-			self->priv->members = g_list_delete_link (self->priv->members, l);
-		} else {
-			g_object_ref (c);
-		}
+      if (remove_)
+        {
+          /* Caller takes the reference. */
+          self->priv->members = g_list_delete_link (self->priv->members, l);
+        }
+      else
+        {
+          g_object_ref (c);
+        }
 
-		return c;
-	}
+      return c;
+    }
 
-	return NULL;
+  return NULL;
 }
 
 typedef struct
 {
-    TpHandle old_handle;
-    guint reason;
-    gchar *message;
+  TpHandle old_handle;
+  guint reason;
+  gchar *message;
 } ContactRenameData;
 
 static ContactRenameData *
 contact_rename_data_new (TpHandle handle,
-			 guint reason,
-			 const gchar* message)
+    guint reason,
+    const gchar* message)
 {
-	ContactRenameData *data = g_new (ContactRenameData, 1);
-	data->old_handle = handle;
-	data->reason = reason;
-	data->message = g_strdup (message);
+  ContactRenameData *data = g_new (ContactRenameData, 1);
+  data->old_handle = handle;
+  data->reason = reason;
+  data->message = g_strdup (message);
 
-	return data;
+  return data;
 }
 
 static void
 contact_rename_data_free (ContactRenameData* data)
 {
-	g_free (data->message);
-	g_free (data);
+  g_free (data->message);
+  g_free (data);
 }
 
 static void
-tp_chat_got_renamed_contacts_cb (TpConnection            *connection,
-                                 guint                    n_contacts,
-                                 EmpathyContact * const * contacts,
-                                 guint                    n_failed,
-                                 const TpHandle          *failed,
-                                 const GError            *error,
-                                 gpointer                 user_data,
-                                 GObject                 *chat)
-{
-	EmpathyTpChat *self = (EmpathyTpChat *) chat;
-	const TpIntSet *members;
-	TpHandle handle;
-	EmpathyContact *old = NULL, *new = NULL;
-	ContactRenameData *rename_data = (ContactRenameData *) user_data;
-
-	if (error) {
-		DEBUG ("Error: %s", error->message);
-		return;
-	}
-
-	/* renamed members can only be delivered one at a time */
-	g_warn_if_fail (n_contacts == 1);
-
-	new = contacts[0];
-
-	members = tp_channel_group_get_members ((TpChannel *) self);
-	handle = empathy_contact_get_handle (new);
-
-	old = chat_lookup_contact (self, rename_data->old_handle, TRUE);
-
-	/* Make sure the contact is still member */
-	if (tp_intset_is_member (members, handle)) {
-		self->priv->members = g_list_prepend (self->priv->members,
-			g_object_ref (new));
-
-		if (old != NULL) {
-			g_signal_emit_by_name (self, "member-renamed",
-					       old, new, rename_data->reason,
-					       rename_data->message);
-			g_object_unref (old);
-		}
-	}
-
-	if (self->priv->user == old) {
-		/* We change our nick */
-		tp_clear_object (&self->priv->user);
-		self->priv->user = g_object_ref (new);
-		g_object_notify (chat, "self-contact");
-	}
-
-	check_almost_ready (self);
+tp_chat_got_renamed_contacts_cb (TpConnection *connection,
+    guint n_contacts,
+    EmpathyContact * const * contacts,
+    guint n_failed,
+    const TpHandle *failed,
+    const GError *error,
+    gpointer user_data,
+    GObject *chat)
+{
+  EmpathyTpChat *self = (EmpathyTpChat *) chat;
+  const TpIntSet *members;
+  TpHandle handle;
+  EmpathyContact *old = NULL, *new = NULL;
+  ContactRenameData *rename_data = (ContactRenameData *) user_data;
+
+  if (error)
+    {
+      DEBUG ("Error: %s", error->message);
+      return;
+    }
+
+  /* renamed members can only be delivered one at a time */
+  g_warn_if_fail (n_contacts == 1);
+
+  new = contacts[0];
+
+  members = tp_channel_group_get_members ((TpChannel *) self);
+  handle = empathy_contact_get_handle (new);
+
+  old = chat_lookup_contact (self, rename_data->old_handle, TRUE);
+
+  /* Make sure the contact is still member */
+  if (tp_intset_is_member (members, handle))
+    {
+      self->priv->members = g_list_prepend (self->priv->members,
+        g_object_ref (new));
+
+      if (old != NULL)
+        {
+          g_signal_emit_by_name (self, "member-renamed",
+                     old, new, rename_data->reason,
+                     rename_data->message);
+          g_object_unref (old);
+        }
+    }
+
+  if (self->priv->user == old)
+    {
+      /* We change our nick */
+      tp_clear_object (&self->priv->user);
+      self->priv->user = g_object_ref (new);
+      g_object_notify (chat, "self-contact");
+    }
+
+  check_almost_ready (self);
 }
 
 
 static void
-tp_chat_group_members_changed_cb (TpChannel     *channel,
-				  gchar         *message,
-				  GArray        *added,
-				  GArray        *removed,
-				  GArray        *local_pending,
-				  GArray        *remote_pending,
-				  guint          actor,
-				  guint          reason,
-				  EmpathyTpChat *self)
-{
-	EmpathyContact *contact;
-	EmpathyContact *actor_contact = NULL;
-	guint i;
-	ContactRenameData *rename_data;
-	TpHandle old_handle;
-	TpConnection *connection = tp_channel_borrow_connection (
-		(TpChannel *) self);
-
-	/* Contact renamed */
-	if (reason == TP_CHANNEL_GROUP_CHANGE_REASON_RENAMED) {
-		/* there can only be a single 'added' and a single 'removed' handle */
-		if (removed->len != 1 || added->len != 1) {
-			g_warning ("RENAMED with %u added, %u removed (expected 1, 1)",
-				added->len, removed->len);
-			return;
-		}
-
-		old_handle = g_array_index (removed, guint, 0);
-
-		rename_data = contact_rename_data_new (old_handle, reason, message);
-		empathy_tp_contact_factory_get_from_handles (connection,
-			added->len, (TpHandle *) added->data,
-			tp_chat_got_renamed_contacts_cb,
-			rename_data, (GDestroyNotify) contact_rename_data_free,
-			G_OBJECT (self));
-		return;
-	}
-
-	if (actor != 0) {
-		actor_contact = chat_lookup_contact (self, actor, FALSE);
-		if (actor_contact == NULL) {
-			/* FIXME: handle this a tad more gracefully: perhaps
-			 * the actor was a server op. We could use the
-			 * contact-ids detail of MembersChangedDetailed.
-			 */
-			DEBUG ("actor %u not a channel member", actor);
-		}
-	}
-
-	/* Remove contacts that are not members anymore */
-	for (i = 0; i < removed->len; i++) {
-		contact = chat_lookup_contact (self,
-			g_array_index (removed, TpHandle, i), TRUE);
-
-		if (contact != NULL) {
-			g_signal_emit_by_name (self, "members-changed", contact,
-					       actor_contact, reason, message,
-					       FALSE);
-			g_object_unref (contact);
-		}
-	}
-
-	/* Request added contacts */
-	if (added->len > 0) {
-		empathy_tp_contact_factory_get_from_handles (connection,
-			added->len, (TpHandle *) added->data,
-			tp_chat_got_added_contacts_cb, NULL, NULL,
-			G_OBJECT (self));
-	}
-
-	if (actor_contact != NULL) {
-		g_object_unref (actor_contact);
-	}
+tp_chat_group_members_changed_cb (TpChannel *channel,
+    gchar *message,
+    GArray *added,
+    GArray *removed,
+    GArray *local_pending,
+    GArray *remote_pending,
+    guint actor,
+    guint reason,
+    EmpathyTpChat *self)
+{
+  EmpathyContact *contact;
+  EmpathyContact *actor_contact = NULL;
+  guint i;
+  ContactRenameData *rename_data;
+  TpHandle old_handle;
+  TpConnection *connection = tp_channel_borrow_connection (
+    (TpChannel *) self);
+
+  /* Contact renamed */
+  if (reason == TP_CHANNEL_GROUP_CHANGE_REASON_RENAMED)
+    {
+      /* there can only be a single 'added' and a single 'removed' handle */
+      if (removed->len != 1 || added->len != 1)
+        {
+          g_warning ("RENAMED with %u added, %u removed (expected 1, 1)",
+            added->len, removed->len);
+          return;
+        }
+
+      old_handle = g_array_index (removed, guint, 0);
+
+      rename_data = contact_rename_data_new (old_handle, reason, message);
+      empathy_tp_contact_factory_get_from_handles (connection,
+        added->len, (TpHandle *) added->data,
+        tp_chat_got_renamed_contacts_cb,
+        rename_data, (GDestroyNotify) contact_rename_data_free,
+        G_OBJECT (self));
+      return;
+    }
+
+  if (actor != 0)
+    {
+      actor_contact = chat_lookup_contact (self, actor, FALSE);
+      if (actor_contact == NULL)
+        {
+          /* FIXME: handle this a tad more gracefully: perhaps
+           * the actor was a server op. We could use the
+           * contact-ids detail of MembersChangedDetailed.
+           */
+          DEBUG ("actor %u not a channel member", actor);
+        }
+    }
+
+  /* Remove contacts that are not members anymore */
+  for (i = 0; i < removed->len; i++)
+    {
+      contact = chat_lookup_contact (self,
+        g_array_index (removed, TpHandle, i), TRUE);
+
+      if (contact != NULL)
+        {
+          g_signal_emit_by_name (self, "members-changed", contact,
+                     actor_contact, reason, message,
+                     FALSE);
+          g_object_unref (contact);
+        }
+    }
+
+  /* Request added contacts */
+  if (added->len > 0)
+    {
+      empathy_tp_contact_factory_get_from_handles (connection,
+        added->len, (TpHandle *) added->data,
+        tp_chat_got_added_contacts_cb, NULL, NULL,
+        G_OBJECT (self));
+    }
+
+  if (actor_contact != NULL)
+    g_object_unref (actor_contact);
 }
 
 static void
-tp_chat_got_remote_contact_cb (TpConnection            *connection,
-			       EmpathyContact          *contact,
-			       const GError            *error,
-			       gpointer                 user_data,
-			       GObject                 *chat)
+tp_chat_got_remote_contact_cb (TpConnection *connection,
+    EmpathyContact *contact,
+    const GError *error,
+    gpointer user_data,
+    GObject *chat)
 {
-	EmpathyTpChat *self = (EmpathyTpChat *) chat;
+  EmpathyTpChat *self = (EmpathyTpChat *) chat;
 
-	if (error) {
-		DEBUG ("Error: %s", error->message);
-		empathy_tp_chat_leave (self, "");
-		return;
-	}
+  if (error != NULL)
+    {
+      DEBUG ("Error: %s", error->message);
+      empathy_tp_chat_leave (self, "");
+      return;
+    }
 
-	self->priv->remote_contact = g_object_ref (contact);
-	g_object_notify (chat, "remote-contact");
+  self->priv->remote_contact = g_object_ref (contact);
+  g_object_notify (chat, "remote-contact");
 
-	check_almost_ready (self);
+  check_almost_ready (self);
 }
 
 static void
-tp_chat_got_self_contact_cb (TpConnection            *connection,
-			     EmpathyContact          *contact,
-			     const GError            *error,
-			     gpointer                 user_data,
-			     GObject                 *chat)
+tp_chat_got_self_contact_cb (TpConnection *connection,
+    EmpathyContact *contact,
+    const GError *error,
+    gpointer user_data,
+    GObject *chat)
 {
-	EmpathyTpChat *self = (EmpathyTpChat *) chat;
+  EmpathyTpChat *self = (EmpathyTpChat *) chat;
 
-	if (error) {
-		DEBUG ("Error: %s", error->message);
-		empathy_tp_chat_leave (self, "");
-		return;
-	}
+  if (error != NULL)
+    {
+      DEBUG ("Error: %s", error->message);
+      empathy_tp_chat_leave (self, "");
+      return;
+    }
 
-	self->priv->user = g_object_ref (contact);
-	empathy_contact_set_is_user (self->priv->user, TRUE);
-	g_object_notify (chat, "self-contact");
-	check_almost_ready (self);
+  self->priv->user = g_object_ref (contact);
+  empathy_contact_set_is_user (self->priv->user, TRUE);
+  g_object_notify (chat, "self-contact");
+  check_almost_ready (self);
 }
 
 static void
-tp_chat_get_property (GObject    *object,
-		      guint       param_id,
-		      GValue     *value,
-		      GParamSpec *pspec)
-{
-	EmpathyTpChat *self = EMPATHY_TP_CHAT (object);
-
-	switch (param_id) {
-	case PROP_ACCOUNT:
-		g_value_set_object (value, self->priv->account);
-		break;
-	case PROP_SELF_CONTACT:
-		g_value_set_object (value, self->priv->user);
-		break;
-	case PROP_REMOTE_CONTACT:
-		g_value_set_object (value, self->priv->remote_contact);
-		break;
-	case PROP_N_MESSAGES_SENDING:
-		g_value_set_uint (value,
-			g_hash_table_size (self->priv->messages_being_sent));
-		break;
-	case PROP_TITLE:
-		g_value_set_string (value,
-			empathy_tp_chat_get_title (self));
-		break;
-	case PROP_SUBJECT:
-		g_value_set_string (value,
-			empathy_tp_chat_get_subject (self));
-		break;
-	default:
-		G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
-		break;
-	};
+tp_chat_get_property (GObject *object,
+    guint param_id,
+    GValue *value,
+    GParamSpec *pspec)
+{
+  EmpathyTpChat *self = EMPATHY_TP_CHAT (object);
+
+  switch (param_id)
+    {
+      case PROP_ACCOUNT:
+        g_value_set_object (value, self->priv->account);
+        break;
+      case PROP_SELF_CONTACT:
+        g_value_set_object (value, self->priv->user);
+        break;
+      case PROP_REMOTE_CONTACT:
+        g_value_set_object (value, self->priv->remote_contact);
+        break;
+      case PROP_N_MESSAGES_SENDING:
+        g_value_set_uint (value,
+          g_hash_table_size (self->priv->messages_being_sent));
+        break;
+      case PROP_TITLE:
+        g_value_set_string (value,
+          empathy_tp_chat_get_title (self));
+        break;
+      case PROP_SUBJECT:
+        g_value_set_string (value,
+          empathy_tp_chat_get_subject (self));
+        break;
+      default:
+        G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
+        break;
+    };
 }
 
 static void
-tp_chat_set_property (GObject      *object,
-		      guint         param_id,
-		      const GValue *value,
-		      GParamSpec   *pspec)
+tp_chat_set_property (GObject *object,
+    guint param_id,
+    const GValue *value,
+    GParamSpec   *pspec)
 {
-	EmpathyTpChat *self = EMPATHY_TP_CHAT (object);
+  EmpathyTpChat *self = EMPATHY_TP_CHAT (object);
 
-	switch (param_id) {
-	case PROP_ACCOUNT:
-		self->priv->account = g_value_dup_object (value);
-		break;
-	default:
-		G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
-		break;
-	};
+  switch (param_id)
+    {
+      case PROP_ACCOUNT:
+        self->priv->account = g_value_dup_object (value);
+        break;
+      default:
+        G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
+        break;
+    };
 }
 
 enum {
-	FEAT_READY,
-	N_FEAT
+  FEAT_READY,
+  N_FEAT
 };
 
 static const TpProxyFeature *
 tp_chat_list_features (TpProxyClass *cls G_GNUC_UNUSED)
 {
-	static TpProxyFeature features[N_FEAT + 1] = { { 0 } };
+  static TpProxyFeature features[N_FEAT + 1] = { { 0 } };
   static GQuark need[2] = {0, 0};
 
-	if (G_LIKELY (features[0].name != 0))
-		return features;
+  if (G_LIKELY (features[0].name != 0))
+    return features;
 
-	features[FEAT_READY].name = EMPATHY_TP_CHAT_FEATURE_READY;
-	need[0] = TP_TEXT_CHANNEL_FEATURE_INCOMING_MESSAGES;
-	features[FEAT_READY].depends_on = need;
-	features[FEAT_READY].prepare_async =
-		tp_chat_prepare_ready_async;
+  features[FEAT_READY].name = EMPATHY_TP_CHAT_FEATURE_READY;
+  need[0] = TP_TEXT_CHANNEL_FEATURE_INCOMING_MESSAGES;
+  features[FEAT_READY].depends_on = need;
+  features[FEAT_READY].prepare_async =
+    tp_chat_prepare_ready_async;
 
-	/* assert that the terminator at the end is there */
-	g_assert (features[N_FEAT].name == 0);
+  /* assert that the terminator at the end is there */
+  g_assert (features[N_FEAT].name == 0);
 
-	return features;
+  return features;
 }
 
 static void
 empathy_tp_chat_class_init (EmpathyTpChatClass *klass)
 {
-	GObjectClass *object_class = G_OBJECT_CLASS (klass);
-	TpProxyClass *proxy_class = TP_PROXY_CLASS (klass);
-
-	object_class->dispose = tp_chat_dispose;
-	object_class->finalize = tp_chat_finalize;
-	object_class->get_property = tp_chat_get_property;
-	object_class->set_property = tp_chat_set_property;
-
-	proxy_class->list_features = tp_chat_list_features;
-
-	g_object_class_install_property (object_class,
-					 PROP_ACCOUNT,
-					 g_param_spec_object ("account",
-							      "TpAccount",
-							      "the account associated with the chat",
-							      TP_TYPE_ACCOUNT,
-							      G_PARAM_READWRITE |
-							      G_PARAM_CONSTRUCT_ONLY |
-							      G_PARAM_STATIC_STRINGS));
-
-	/**
-	 * EmpathyTpChat:self-contact:
-	 *
-	 * Not to be confused with TpChannel:group-self-contact.
-	 */
-	g_object_class_install_property (object_class,
-					 PROP_SELF_CONTACT,
-					 g_param_spec_object ("self-contact",
-							      "The local contact",
-							      "The EmpathyContact for the local user on this channel",
-							      EMPATHY_TYPE_CONTACT,
-							      G_PARAM_READABLE));
-
-	g_object_class_install_property (object_class,
-					 PROP_REMOTE_CONTACT,
-					 g_param_spec_object ("remote-contact",
-							      "The remote contact",
-							      "The remote contact if there is no group iface on the channel",
-							      EMPATHY_TYPE_CONTACT,
-							      G_PARAM_READABLE));
-
-	g_object_class_install_property (object_class,
-					 PROP_N_MESSAGES_SENDING,
-					 g_param_spec_uint ("n-messages-sending",
-						 	    "Num Messages Sending",
-							    "The number of messages being sent",
-							    0, G_MAXUINT, 0,
-							    G_PARAM_READABLE));
-
-	g_object_class_install_property (object_class,
-					 PROP_TITLE,
-					 g_param_spec_string ("title",
-							      "Title",
-							      "A human-readable name for the room, if any",
-							      NULL,
-							      G_PARAM_READABLE |
-							      G_PARAM_STATIC_STRINGS));
-
-	g_object_class_install_property (object_class,
-					 PROP_SUBJECT,
-					 g_param_spec_string ("subject",
-							      "Subject",
-							      "The room's current subject, if any",
-							      NULL,
-							      G_PARAM_READABLE |
-							      G_PARAM_STATIC_STRINGS));
-
-	/* Signals */
-	signals[MESSAGE_RECEIVED] =
-		g_signal_new ("message-received-empathy",
-			      G_TYPE_FROM_CLASS (klass),
-			      G_SIGNAL_RUN_LAST,
-			      0,
-			      NULL, NULL,
-			      g_cclosure_marshal_generic,
-			      G_TYPE_NONE,
-			      1, EMPATHY_TYPE_MESSAGE);
-
-	signals[SEND_ERROR] =
-		g_signal_new ("send-error",
-			      G_TYPE_FROM_CLASS (klass),
-			      G_SIGNAL_RUN_LAST,
-			      0,
-			      NULL, NULL,
-			      g_cclosure_marshal_generic,
-			      G_TYPE_NONE,
-			      3, G_TYPE_STRING, G_TYPE_UINT, G_TYPE_STRING);
-
-	signals[CHAT_STATE_CHANGED] =
-		g_signal_new ("chat-state-changed-empathy",
-			      G_TYPE_FROM_CLASS (klass),
-			      G_SIGNAL_RUN_LAST,
-			      0,
-			      NULL, NULL,
-			      g_cclosure_marshal_generic,
-			      G_TYPE_NONE,
-			      2, EMPATHY_TYPE_CONTACT, G_TYPE_UINT);
-
-	signals[MESSAGE_ACKNOWLEDGED] =
-		g_signal_new ("message-acknowledged",
-			      G_TYPE_FROM_CLASS (klass),
-			      G_SIGNAL_RUN_LAST,
-			      0,
-			      NULL, NULL,
-			      g_cclosure_marshal_generic,
-			      G_TYPE_NONE,
-			      1, EMPATHY_TYPE_MESSAGE);
-
-	g_type_class_add_private (object_class, sizeof (EmpathyTpChatPrivate));
+  GObjectClass *object_class = G_OBJECT_CLASS (klass);
+  TpProxyClass *proxy_class = TP_PROXY_CLASS (klass);
+
+  object_class->dispose = tp_chat_dispose;
+  object_class->finalize = tp_chat_finalize;
+  object_class->get_property = tp_chat_get_property;
+  object_class->set_property = tp_chat_set_property;
+
+  proxy_class->list_features = tp_chat_list_features;
+
+  g_object_class_install_property (object_class, PROP_ACCOUNT,
+      g_param_spec_object ("account", "TpAccount",
+        "the account associated with the chat",
+        TP_TYPE_ACCOUNT,
+        G_PARAM_READWRITE |
+        G_PARAM_CONSTRUCT_ONLY |
+        G_PARAM_STATIC_STRINGS));
+
+  /**
+   * EmpathyTpChat:self-contact:
+   *
+   * Not to be confused with TpChannel:group-self-contact.
+   */
+  g_object_class_install_property (object_class, PROP_SELF_CONTACT,
+      g_param_spec_object ("self-contact", "The local contact",
+        "The EmpathyContact for the local user on this channel",
+        EMPATHY_TYPE_CONTACT,
+        G_PARAM_READABLE));
+
+  g_object_class_install_property (object_class, PROP_REMOTE_CONTACT,
+      g_param_spec_object ("remote-contact", "The remote contact",
+        "The remote contact if there is no group iface on the channel",
+        EMPATHY_TYPE_CONTACT,
+        G_PARAM_READABLE));
+
+  g_object_class_install_property (object_class, PROP_N_MESSAGES_SENDING,
+      g_param_spec_uint ("n-messages-sending", "Num Messages Sending",
+        "The number of messages being sent",
+        0, G_MAXUINT, 0,
+        G_PARAM_READABLE));
+
+  g_object_class_install_property (object_class, PROP_TITLE,
+      g_param_spec_string ("title", "Title",
+        "A human-readable name for the room, if any",
+        NULL,
+        G_PARAM_READABLE |
+        G_PARAM_STATIC_STRINGS));
+
+  g_object_class_install_property (object_class, PROP_SUBJECT,
+      g_param_spec_string ("subject", "Subject",
+        "The room's current subject, if any",
+        NULL,
+        G_PARAM_READABLE |
+        G_PARAM_STATIC_STRINGS));
+
+  /* Signals */
+  signals[MESSAGE_RECEIVED] = g_signal_new ("message-received-empathy",
+      G_TYPE_FROM_CLASS (klass),
+      G_SIGNAL_RUN_LAST,
+      0,
+      NULL, NULL,
+      g_cclosure_marshal_generic,
+      G_TYPE_NONE,
+      1, EMPATHY_TYPE_MESSAGE);
+
+  signals[SEND_ERROR] = g_signal_new ("send-error",
+      G_TYPE_FROM_CLASS (klass),
+      G_SIGNAL_RUN_LAST,
+      0,
+      NULL, NULL,
+      g_cclosure_marshal_generic,
+      G_TYPE_NONE,
+      3, G_TYPE_STRING, G_TYPE_UINT, G_TYPE_STRING);
+
+  signals[CHAT_STATE_CHANGED] = g_signal_new ("chat-state-changed-empathy",
+      G_TYPE_FROM_CLASS (klass),
+      G_SIGNAL_RUN_LAST,
+      0,
+      NULL, NULL,
+      g_cclosure_marshal_generic,
+      G_TYPE_NONE,
+      2, EMPATHY_TYPE_CONTACT, G_TYPE_UINT);
+
+  signals[MESSAGE_ACKNOWLEDGED] = g_signal_new ("message-acknowledged",
+      G_TYPE_FROM_CLASS (klass),
+      G_SIGNAL_RUN_LAST,
+      0,
+      NULL, NULL,
+      g_cclosure_marshal_generic,
+      G_TYPE_NONE,
+      1, EMPATHY_TYPE_MESSAGE);
+
+  g_type_class_add_private (object_class, sizeof (EmpathyTpChatPrivate));
 }
 
 static void
 empathy_tp_chat_init (EmpathyTpChat *self)
 {
-	self->priv = G_TYPE_INSTANCE_GET_PRIVATE (self,
-		EMPATHY_TYPE_TP_CHAT, EmpathyTpChatPrivate);
+  self->priv = G_TYPE_INSTANCE_GET_PRIVATE (self, EMPATHY_TYPE_TP_CHAT,
+      EmpathyTpChatPrivate);
 
-	self->priv->messages_queue = g_queue_new ();
-	self->priv->pending_messages_queue = g_queue_new ();
-	self->priv->messages_being_sent = g_hash_table_new_full (
-		g_str_hash, g_str_equal, g_free, NULL);
+  self->priv->messages_queue = g_queue_new ();
+  self->priv->pending_messages_queue = g_queue_new ();
+  self->priv->messages_being_sent = g_hash_table_new_full (
+      g_str_hash, g_str_equal, g_free, NULL);
 }
 
 static void
 tp_chat_iface_init (EmpathyContactListIface *iface)
 {
-	iface->add         = tp_chat_add;
-	iface->remove      = tp_chat_remove;
-	iface->get_members = tp_chat_get_members;
+  iface->add = tp_chat_add;
+  iface->remove = tp_chat_remove;
+  iface->get_members = tp_chat_get_members;
 }
 
 EmpathyTpChat *
-empathy_tp_chat_new (
-		     TpSimpleClientFactory *factory,
-		     TpAccount *account,
-		     TpConnection *conn,
-		     const gchar *object_path,
-		     const GHashTable *immutable_properties)
-{
-	TpProxy *conn_proxy = (TpProxy *) conn;
-
-	g_return_val_if_fail (TP_IS_ACCOUNT (account), NULL);
-	g_return_val_if_fail (TP_IS_CONNECTION (conn), NULL);
-	g_return_val_if_fail (immutable_properties != NULL, NULL);
-
-	return g_object_new (EMPATHY_TYPE_TP_CHAT,
-			     "factory", factory,
-			     "account", account,
-			     "connection", conn,
-			     "dbus-daemon", conn_proxy->dbus_daemon,
-			     "bus-name", conn_proxy->bus_name,
-			     "object-path", object_path,
-			     "channel-properties", immutable_properties,
-			     NULL);
+empathy_tp_chat_new (TpSimpleClientFactory *factory,
+    TpAccount *account,
+    TpConnection *conn,
+    const gchar *object_path,
+    const GHashTable *immutable_properties)
+{
+  TpProxy *conn_proxy = (TpProxy *) conn;
+
+  g_return_val_if_fail (TP_IS_ACCOUNT (account), NULL);
+  g_return_val_if_fail (TP_IS_CONNECTION (conn), NULL);
+  g_return_val_if_fail (immutable_properties != NULL, NULL);
+
+  return g_object_new (EMPATHY_TYPE_TP_CHAT,
+      "factory", factory,
+       "account", account,
+       "connection", conn,
+       "dbus-daemon", conn_proxy->dbus_daemon,
+       "bus-name", conn_proxy->bus_name,
+       "object-path", object_path,
+       "channel-properties", immutable_properties,
+       NULL);
 }
 
 const gchar *
 empathy_tp_chat_get_id (EmpathyTpChat *self)
 {
-	const gchar *id;
+  const gchar *id;
 
-	g_return_val_if_fail (EMPATHY_IS_TP_CHAT (self), NULL);
+  g_return_val_if_fail (EMPATHY_IS_TP_CHAT (self), NULL);
 
-	id = tp_channel_get_identifier ((TpChannel *) self);
-	if (!EMP_STR_EMPTY (id))
-		return id;
-	else if (self->priv->remote_contact)
-		return empathy_contact_get_id (self->priv->remote_contact);
-	else
-		return NULL;
+  id = tp_channel_get_identifier ((TpChannel *) self);
+  if (!EMP_STR_EMPTY (id))
+    return id;
+  else if (self->priv->remote_contact)
+    return empathy_contact_get_id (self->priv->remote_contact);
+  else
+    return NULL;
 
 }
 
 EmpathyContact *
 empathy_tp_chat_get_remote_contact (EmpathyTpChat *self)
 {
-	g_return_val_if_fail (EMPATHY_IS_TP_CHAT (self), NULL);
+  g_return_val_if_fail (EMPATHY_IS_TP_CHAT (self), NULL);
 
-	return self->priv->remote_contact;
+  return self->priv->remote_contact;
 }
 
 TpAccount *
 empathy_tp_chat_get_account (EmpathyTpChat *self)
 {
-	g_return_val_if_fail (EMPATHY_IS_TP_CHAT (self), NULL);
+  g_return_val_if_fail (EMPATHY_IS_TP_CHAT (self), NULL);
 
-	return self->priv->account;
+  return self->priv->account;
 }
 
 void
 empathy_tp_chat_send (EmpathyTpChat *self,
-		      TpMessage *message)
+          TpMessage *message)
 {
-	gchar *message_body;
+  gchar *message_body;
 
-	g_return_if_fail (EMPATHY_IS_TP_CHAT (self));
-	g_return_if_fail (TP_IS_CLIENT_MESSAGE (message));
+  g_return_if_fail (EMPATHY_IS_TP_CHAT (self));
+  g_return_if_fail (TP_IS_CLIENT_MESSAGE (message));
 
-	message_body = tp_message_to_text (message, NULL);
+  message_body = tp_message_to_text (message, NULL);
 
-	DEBUG ("Sending message: %s", message_body);
+  DEBUG ("Sending message: %s", message_body);
 
-	tp_text_channel_send_message_async (TP_TEXT_CHANNEL (self),
-		message, TP_MESSAGE_SENDING_FLAG_REPORT_DELIVERY,
-		message_send_cb, self);
+  tp_text_channel_send_message_async (TP_TEXT_CHANNEL (self),
+    message, TP_MESSAGE_SENDING_FLAG_REPORT_DELIVERY,
+    message_send_cb, self);
 
-	g_free (message_body);
+  g_free (message_body);
 }
 
 const GList *
 empathy_tp_chat_get_pending_messages (EmpathyTpChat *self)
 {
-	g_return_val_if_fail (EMPATHY_IS_TP_CHAT (self), NULL);
+  g_return_val_if_fail (EMPATHY_IS_TP_CHAT (self), NULL);
 
-	return self->priv->pending_messages_queue->head;
+  return self->priv->pending_messages_queue->head;
 }
 
 void
 empathy_tp_chat_acknowledge_message (EmpathyTpChat *self,
-				     EmpathyMessage *message) {
-	TpMessage *tp_msg;
+    EmpathyMessage *message)
+{
+  TpMessage *tp_msg;
 
-	g_return_if_fail (EMPATHY_IS_TP_CHAT (self));
+  g_return_if_fail (EMPATHY_IS_TP_CHAT (self));
 
-	if (!empathy_message_is_incoming (message))
-		return;
+  if (!empathy_message_is_incoming (message))
+    return;
 
-	tp_msg = empathy_message_get_tp_message (message);
-	tp_text_channel_ack_message_async (TP_TEXT_CHANNEL (self),
-					   tp_msg, NULL, NULL);
+  tp_msg = empathy_message_get_tp_message (message);
+  tp_text_channel_ack_message_async (TP_TEXT_CHANNEL (self),
+             tp_msg, NULL, NULL);
 }
 
 /**
@@ -1423,11 +1455,11 @@ empathy_tp_chat_acknowledge_message (EmpathyTpChat *self,
 gboolean
 empathy_tp_chat_can_add_contact (EmpathyTpChat *self)
 {
-	g_return_val_if_fail (EMPATHY_IS_TP_CHAT (self), FALSE);
+  g_return_val_if_fail (EMPATHY_IS_TP_CHAT (self), FALSE);
 
-	return self->priv->can_upgrade_to_muc ||
-		tp_proxy_has_interface_by_id (self,
-			TP_IFACE_QUARK_CHANNEL_INTERFACE_GROUP);;
+  return self->priv->can_upgrade_to_muc ||
+    tp_proxy_has_interface_by_id (self,
+      TP_IFACE_QUARK_CHANNEL_INTERFACE_GROUP);;
 }
 
 static void
@@ -1435,197 +1467,208 @@ tp_channel_leave_async_cb (GObject *source_object,
         GAsyncResult *res,
         gpointer user_data)
 {
-	GError *error = NULL;
+  GError *error = NULL;
 
-	if (!tp_channel_leave_finish (TP_CHANNEL (source_object), res, &error)) {
-		DEBUG ("Could not leave channel properly: (%s); closing the channel",
-			error->message);
-		g_error_free (error);
-	}
+  if (!tp_channel_leave_finish (TP_CHANNEL (source_object), res, &error))
+    {
+      DEBUG ("Could not leave channel properly: (%s); closing the channel",
+        error->message);
+      g_error_free (error);
+    }
 }
 
 void
 empathy_tp_chat_leave (EmpathyTpChat *self,
-		const gchar *message)
+    const gchar *message)
 {
-	TpChannel *channel = (TpChannel *) self;
+  TpChannel *channel = (TpChannel *) self;
 
-	DEBUG ("Leaving channel %s with message \"%s\"",
-		tp_channel_get_identifier (channel), message);
+  DEBUG ("Leaving channel %s with message \"%s\"",
+    tp_channel_get_identifier (channel), message);
 
-	tp_channel_leave_async (channel, TP_CHANNEL_GROUP_CHANGE_REASON_NONE,
-		message, tp_channel_leave_async_cb, self);
+  tp_channel_leave_async (channel, TP_CHANNEL_GROUP_CHANGE_REASON_NONE,
+    message, tp_channel_leave_async_cb, self);
 }
 
 static void
 add_members_cb (TpChannel *proxy,
-		const GError *error,
-		gpointer user_data,
-		GObject *weak_object)
+    const GError *error,
+    gpointer user_data,
+    GObject *weak_object)
 {
-	EmpathyTpChat *self = (EmpathyTpChat *) weak_object;
+  EmpathyTpChat *self = (EmpathyTpChat *) weak_object;
 
-	if (error != NULL) {
-		DEBUG ("Failed to join chat (%s): %s",
-			tp_channel_get_identifier ((TpChannel *) self), error->message);
-	}
+  if (error != NULL)
+    {
+      DEBUG ("Failed to join chat (%s): %s",
+        tp_channel_get_identifier ((TpChannel *) self), error->message);
+    }
 }
 
 void
 empathy_tp_chat_join (EmpathyTpChat *self)
 {
-	TpHandle self_handle;
-	GArray *members;
+  TpHandle self_handle;
+  GArray *members;
 
-	self_handle = tp_channel_group_get_self_handle ((TpChannel *) self);
+  self_handle = tp_channel_group_get_self_handle ((TpChannel *) self);
 
-	members = g_array_sized_new (FALSE, FALSE, sizeof (TpHandle), 1);
-	g_array_append_val (members, self_handle);
+  members = g_array_sized_new (FALSE, FALSE, sizeof (TpHandle), 1);
+  g_array_append_val (members, self_handle);
 
-	tp_cli_channel_interface_group_call_add_members ((TpChannel *) self, -1, members,
-		"", add_members_cb, NULL, NULL, G_OBJECT (self));
+  tp_cli_channel_interface_group_call_add_members ((TpChannel *) self, -1,
+      members, "", add_members_cb, NULL, NULL, G_OBJECT (self));
 
-	g_array_unref (members);
+  g_array_unref (members);
 }
 
 gboolean
 empathy_tp_chat_is_invited (EmpathyTpChat *self,
-			    TpHandle *inviter)
+    TpHandle *inviter)
 {
-	TpHandle self_handle;
+  TpHandle self_handle;
 
-	if (!tp_proxy_has_interface (self, TP_IFACE_CHANNEL_INTERFACE_GROUP))
-		return FALSE;
+  if (!tp_proxy_has_interface (self, TP_IFACE_CHANNEL_INTERFACE_GROUP))
+    return FALSE;
 
-	self_handle = tp_channel_group_get_self_handle ((TpChannel *) self);
-	if (self_handle == 0)
-		return FALSE;
+  self_handle = tp_channel_group_get_self_handle ((TpChannel *) self);
+  if (self_handle == 0)
+    return FALSE;
 
-	return tp_channel_group_get_local_pending_info ((TpChannel *) self, self_handle,
-		inviter, NULL, NULL);
+  return tp_channel_group_get_local_pending_info ((TpChannel *) self,
+      self_handle, inviter, NULL, NULL);
 }
 
 TpChannelChatState
 empathy_tp_chat_get_chat_state (EmpathyTpChat *self,
-			    EmpathyContact *contact)
+    EmpathyContact *contact)
 {
-	return tp_channel_get_chat_state ((TpChannel *) self,
-		empathy_contact_get_handle (contact));
+  return tp_channel_get_chat_state ((TpChannel *) self,
+    empathy_contact_get_handle (contact));
 }
 
 EmpathyContact *
 empathy_tp_chat_get_self_contact (EmpathyTpChat *self)
 {
-	g_return_val_if_fail (EMPATHY_IS_TP_CHAT (self), NULL);
+  g_return_val_if_fail (EMPATHY_IS_TP_CHAT (self), NULL);
 
-	return self->priv->user;
+  return self->priv->user;
 }
 
 GQuark
 empathy_tp_chat_get_feature_ready (void)
 {
-	return g_quark_from_static_string ("empathy-tp-chat-feature-ready");
+  return g_quark_from_static_string ("empathy-tp-chat-feature-ready");
 }
 
 static void
 tp_chat_prepare_ready_async (TpProxy *proxy,
-	const TpProxyFeature *feature,
-	GAsyncReadyCallback callback,
-	gpointer user_data)
-{
-	EmpathyTpChat *self = (EmpathyTpChat *) proxy;
-	TpChannel *channel = (TpChannel *) proxy;
-	TpConnection *connection;
-	gboolean listen_for_dbus_properties_changed = FALSE;
-
-	g_assert (self->priv->ready_result == NULL);
-	self->priv->ready_result = g_simple_async_result_new (G_OBJECT (self),
-		callback, user_data, tp_chat_prepare_ready_async);
-
-	connection = tp_channel_borrow_connection (channel);
-
-	if (tp_proxy_has_interface_by_id (self,
-					  TP_IFACE_QUARK_CHANNEL_INTERFACE_GROUP)) {
-		const TpIntSet *members;
-		GArray *handles;
-		TpHandle handle;
-
-		/* Get self contact from the group's self handle */
-		handle = tp_channel_group_get_self_handle (channel);
-		empathy_tp_contact_factory_get_from_handle (connection,
-			handle, tp_chat_got_self_contact_cb,
-			NULL, NULL, G_OBJECT (self));
-
-		/* Get initial member contacts */
-		members = tp_channel_group_get_members (channel);
-		handles = tp_intset_to_array (members);
-		empathy_tp_contact_factory_get_from_handles (connection,
-			handles->len, (TpHandle *) handles->data,
-			tp_chat_got_added_contacts_cb, NULL, NULL, G_OBJECT (self));
-
-		self->priv->can_upgrade_to_muc = FALSE;
-
-		tp_g_signal_connect_object (self, "group-members-changed",
-			G_CALLBACK (tp_chat_group_members_changed_cb), self, 0);
-	} else {
-		TpCapabilities *caps;
-		GPtrArray *classes;
-		guint i;
-		TpHandle handle;
-
-		/* Get the self contact from the connection's self handle */
-		handle = tp_connection_get_self_handle (connection);
-		empathy_tp_contact_factory_get_from_handle (connection,
-			handle, tp_chat_got_self_contact_cb,
-			NULL, NULL, G_OBJECT (self));
-
-		/* Get the remote contact */
-		handle = tp_channel_get_handle (channel, NULL);
-		empathy_tp_contact_factory_get_from_handle (connection,
-			handle, tp_chat_got_remote_contact_cb,
-			NULL, NULL, G_OBJECT (self));
-
-		caps = tp_connection_get_capabilities (connection);
-		g_assert (caps != NULL);
-
-		classes = tp_capabilities_get_channel_classes (caps);
-
-		for (i = 0; i < classes->len; i++) {
-			GValueArray *array = g_ptr_array_index (classes, i);
-			const char **oprops = g_value_get_boxed (
-				g_value_array_get_nth (array, 1));
-
-			if (tp_strv_contains (oprops, TP_PROP_CHANNEL_INTERFACE_CONFERENCE_INITIAL_CHANNELS)) {
-				self->priv->can_upgrade_to_muc = TRUE;
-				break;
-			}
-		}
-	}
-
-	if (tp_proxy_has_interface_by_id (self,
-					  TP_IFACE_QUARK_CHANNEL_INTERFACE_SUBJECT)) {
-		tp_cli_dbus_properties_call_get_all (channel, -1,
-						     TP_IFACE_CHANNEL_INTERFACE_SUBJECT,
-						     tp_chat_get_all_subject_cb,
-						     NULL, NULL,
-						     G_OBJECT (self));
-		listen_for_dbus_properties_changed = TRUE;
-	}
-
-	if (tp_proxy_has_interface_by_id (self,
-					  TP_IFACE_QUARK_CHANNEL_INTERFACE_ROOM_CONFIG)) {
-		tp_cli_dbus_properties_call_get_all (channel, -1,
-						     TP_IFACE_CHANNEL_INTERFACE_ROOM_CONFIG,
-						     tp_chat_get_all_room_config_cb,
-						     NULL, NULL,
-						     G_OBJECT (self));
-		listen_for_dbus_properties_changed = TRUE;
-	}
-
-	if (listen_for_dbus_properties_changed) {
-		tp_cli_dbus_properties_connect_to_properties_changed (channel,
-								      tp_chat_dbus_properties_changed_cb,
-								      NULL, NULL,
-								      G_OBJECT (self), NULL);
-	}
+  const TpProxyFeature *feature,
+  GAsyncReadyCallback callback,
+  gpointer user_data)
+{
+  EmpathyTpChat *self = (EmpathyTpChat *) proxy;
+  TpChannel *channel = (TpChannel *) proxy;
+  TpConnection *connection;
+  gboolean listen_for_dbus_properties_changed = FALSE;
+
+  g_assert (self->priv->ready_result == NULL);
+  self->priv->ready_result = g_simple_async_result_new (G_OBJECT (self),
+    callback, user_data, tp_chat_prepare_ready_async);
+
+  connection = tp_channel_borrow_connection (channel);
+
+  if (tp_proxy_has_interface_by_id (self,
+            TP_IFACE_QUARK_CHANNEL_INTERFACE_GROUP))
+    {
+      const TpIntSet *members;
+      GArray *handles;
+      TpHandle handle;
+
+      /* Get self contact from the group's self handle */
+      handle = tp_channel_group_get_self_handle (channel);
+      empathy_tp_contact_factory_get_from_handle (connection,
+        handle, tp_chat_got_self_contact_cb,
+        NULL, NULL, G_OBJECT (self));
+
+      /* Get initial member contacts */
+      members = tp_channel_group_get_members (channel);
+      handles = tp_intset_to_array (members);
+      empathy_tp_contact_factory_get_from_handles (connection,
+        handles->len, (TpHandle *) handles->data,
+        tp_chat_got_added_contacts_cb, NULL, NULL, G_OBJECT (self));
+
+      self->priv->can_upgrade_to_muc = FALSE;
+
+      tp_g_signal_connect_object (self, "group-members-changed",
+        G_CALLBACK (tp_chat_group_members_changed_cb), self, 0);
+    }
+  else
+    {
+      TpCapabilities *caps;
+      GPtrArray *classes;
+      guint i;
+      TpHandle handle;
+
+      /* Get the self contact from the connection's self handle */
+      handle = tp_connection_get_self_handle (connection);
+      empathy_tp_contact_factory_get_from_handle (connection,
+        handle, tp_chat_got_self_contact_cb,
+        NULL, NULL, G_OBJECT (self));
+
+      /* Get the remote contact */
+      handle = tp_channel_get_handle (channel, NULL);
+      empathy_tp_contact_factory_get_from_handle (connection,
+        handle, tp_chat_got_remote_contact_cb,
+        NULL, NULL, G_OBJECT (self));
+
+      caps = tp_connection_get_capabilities (connection);
+      g_assert (caps != NULL);
+
+      classes = tp_capabilities_get_channel_classes (caps);
+
+      for (i = 0; i < classes->len; i++)
+        {
+          GValueArray *array = g_ptr_array_index (classes, i);
+          const char **oprops = g_value_get_boxed (
+            g_value_array_get_nth (array, 1));
+
+          if (tp_strv_contains (oprops,
+                TP_PROP_CHANNEL_INTERFACE_CONFERENCE_INITIAL_CHANNELS))
+            {
+              self->priv->can_upgrade_to_muc = TRUE;
+              break;
+            }
+        }
+    }
+
+  if (tp_proxy_has_interface_by_id (self,
+            TP_IFACE_QUARK_CHANNEL_INTERFACE_SUBJECT))
+    {
+      tp_cli_dbus_properties_call_get_all (channel, -1,
+                   TP_IFACE_CHANNEL_INTERFACE_SUBJECT,
+                   tp_chat_get_all_subject_cb,
+                   NULL, NULL,
+                   G_OBJECT (self));
+      listen_for_dbus_properties_changed = TRUE;
+    }
+
+  if (tp_proxy_has_interface_by_id (self,
+            TP_IFACE_QUARK_CHANNEL_INTERFACE_ROOM_CONFIG))
+    {
+      tp_cli_dbus_properties_call_get_all (channel, -1,
+                   TP_IFACE_CHANNEL_INTERFACE_ROOM_CONFIG,
+                   tp_chat_get_all_room_config_cb,
+                   NULL, NULL,
+                   G_OBJECT (self));
+      listen_for_dbus_properties_changed = TRUE;
+    }
+
+  if (listen_for_dbus_properties_changed)
+    {
+      tp_cli_dbus_properties_connect_to_properties_changed (channel,
+                        tp_chat_dbus_properties_changed_cb,
+                        NULL, NULL,
+                        G_OBJECT (self), NULL);
+    }
 }
diff --git a/libempathy/empathy-tp-chat.h b/libempathy/empathy-tp-chat.h
index 885479c..7da675c 100644
--- a/libempathy/empathy-tp-chat.h
+++ b/libempathy/empathy-tp-chat.h
@@ -1,6 +1,5 @@
-/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
 /*
- * Copyright (C) 2007-2008 Collabora Ltd.
+ * Copyright (C) 2007-2012 Collabora Ltd.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
@@ -30,80 +29,79 @@
 #include "empathy-message.h"
 #include "empathy-contact.h"
 
-
 G_BEGIN_DECLS
 
-#define EMPATHY_TYPE_TP_CHAT         (empathy_tp_chat_get_type ())
-#define EMPATHY_TP_CHAT(o)           (G_TYPE_CHECK_INSTANCE_CAST ((o), EMPATHY_TYPE_TP_CHAT, EmpathyTpChat))
-#define EMPATHY_TP_CHAT_CLASS(k)     (G_TYPE_CHECK_CLASS_CAST((k), EMPATHY_TYPE_TP_CHAT, EmpathyTpChatClass))
-#define EMPATHY_IS_TP_CHAT(o)        (G_TYPE_CHECK_INSTANCE_TYPE ((o), EMPATHY_TYPE_TP_CHAT))
-#define EMPATHY_IS_TP_CHAT_CLASS(k)  (G_TYPE_CHECK_CLASS_TYPE ((k), EMPATHY_TYPE_TP_CHAT))
+#define EMPATHY_TYPE_TP_CHAT (empathy_tp_chat_get_type ())
+#define EMPATHY_TP_CHAT(o) (G_TYPE_CHECK_INSTANCE_CAST ((o), EMPATHY_TYPE_TP_CHAT, EmpathyTpChat))
+#define EMPATHY_TP_CHAT_CLASS(k) (G_TYPE_CHECK_CLASS_CAST((k), EMPATHY_TYPE_TP_CHAT, EmpathyTpChatClass))
+#define EMPATHY_IS_TP_CHAT(o) (G_TYPE_CHECK_INSTANCE_TYPE ((o), EMPATHY_TYPE_TP_CHAT))
+#define EMPATHY_IS_TP_CHAT_CLASS(k) (G_TYPE_CHECK_CLASS_TYPE ((k), EMPATHY_TYPE_TP_CHAT))
 #define EMPATHY_TP_CHAT_GET_CLASS(o) (G_TYPE_INSTANCE_GET_CLASS ((o), EMPATHY_TYPE_TP_CHAT, EmpathyTpChatClass))
 
-typedef struct _EmpathyTpChat      EmpathyTpChat;
+typedef struct _EmpathyTpChat EmpathyTpChat;
 typedef struct _EmpathyTpChatClass EmpathyTpChatClass;
 typedef struct _EmpathyTpChatPrivate EmpathyTpChatPrivate;
 
-struct _EmpathyTpChat {
-	TpTextChannel parent;
-	EmpathyTpChatPrivate *priv;
+struct _EmpathyTpChat
+{
+  TpTextChannel parent;
+  EmpathyTpChatPrivate *priv;
 };
 
-struct _EmpathyTpChatClass {
-	TpTextChannelClass parent_class;
+struct _EmpathyTpChatClass
+{
+  TpTextChannelClass parent_class;
 };
 
 typedef enum {
-	EMPATHY_DELIVERY_STATUS_NONE,
-	EMPATHY_DELIVERY_STATUS_SENDING,
-	EMPATHY_DELIVERY_STATUS_ACCEPTED
+  EMPATHY_DELIVERY_STATUS_NONE,
+  EMPATHY_DELIVERY_STATUS_SENDING,
+  EMPATHY_DELIVERY_STATUS_ACCEPTED
 } EmpathyDeliveryStatus;
 
 #define EMPATHY_TP_CHAT_FEATURE_READY empathy_tp_chat_get_feature_ready ()
 GQuark empathy_tp_chat_get_feature_ready (void) G_GNUC_CONST;
 
-GType          empathy_tp_chat_get_type             (void) G_GNUC_CONST;
+GType empathy_tp_chat_get_type (void) G_GNUC_CONST;
 
-EmpathyTpChat *empathy_tp_chat_new                  (
-						     TpSimpleClientFactory *factory,
-						     TpAccount *account,
-						     TpConnection *connection,
-						     const gchar *object_path,
-						     const GHashTable *immutable_properties);
+EmpathyTpChat * empathy_tp_chat_new (TpSimpleClientFactory *factory,
+    TpAccount *account,
+    TpConnection *connection,
+    const gchar *object_path,
+    const GHashTable *immutable_properties);
 
-const gchar *  empathy_tp_chat_get_id               (EmpathyTpChat      *chat);
-EmpathyContact *empathy_tp_chat_get_remote_contact   (EmpathyTpChat      *chat);
-TpAccount    * empathy_tp_chat_get_account          (EmpathyTpChat      *chat);
-void           empathy_tp_chat_send                 (EmpathyTpChat      *chat,
-						     TpMessage     *message);
+const gchar * empathy_tp_chat_get_id (EmpathyTpChat      *chat);
+EmpathyContact * empathy_tp_chat_get_remote_contact (EmpathyTpChat *chat);
+TpAccount * empathy_tp_chat_get_account (EmpathyTpChat *chat);
+void empathy_tp_chat_send (EmpathyTpChat *chat,
+    TpMessage *message);
 
-const gchar *  empathy_tp_chat_get_title            (EmpathyTpChat *self);
+const gchar * empathy_tp_chat_get_title (EmpathyTpChat *self);
 
-gboolean       empathy_tp_chat_supports_subject     (EmpathyTpChat *self);
-const gchar *  empathy_tp_chat_get_subject          (EmpathyTpChat *self);
-const gchar *  empathy_tp_chat_get_subject_actor    (EmpathyTpChat *self);
-gboolean       empathy_tp_chat_can_set_subject      (EmpathyTpChat *self);
-void           empathy_tp_chat_set_subject          (EmpathyTpChat *self,
-						     const gchar   *subject);
+gboolean empathy_tp_chat_supports_subject (EmpathyTpChat *self);
+const gchar * empathy_tp_chat_get_subject (EmpathyTpChat *self);
+const gchar * empathy_tp_chat_get_subject_actor (EmpathyTpChat *self);
+gboolean empathy_tp_chat_can_set_subject (EmpathyTpChat *self);
+void empathy_tp_chat_set_subject (EmpathyTpChat *self,
+    const gchar *subject);
 
 /* Returns a read-only list of pending messages (should be a copy maybe ?) */
 const GList *  empathy_tp_chat_get_pending_messages (EmpathyTpChat *chat);
-void           empathy_tp_chat_acknowledge_message (EmpathyTpChat *chat,
-						     EmpathyMessage *message);
+void empathy_tp_chat_acknowledge_message (EmpathyTpChat *chat,
+    EmpathyMessage *message);
 
-gboolean       empathy_tp_chat_can_add_contact (EmpathyTpChat *self);
+gboolean empathy_tp_chat_can_add_contact (EmpathyTpChat *self);
 
-void           empathy_tp_chat_leave                (EmpathyTpChat      *chat,
-						       const gchar *message);
-void           empathy_tp_chat_join                 (EmpathyTpChat      *chat);
+void empathy_tp_chat_leave (EmpathyTpChat *chat,
+    const gchar *message);
+void empathy_tp_chat_join (EmpathyTpChat *chat);
 
-gboolean       empathy_tp_chat_is_invited           (EmpathyTpChat      *chat,
-						     TpHandle *inviter);
-TpChannelChatState
-               empathy_tp_chat_get_chat_state       (EmpathyTpChat      *chat,
-               	             EmpathyContact *contact);
+gboolean empathy_tp_chat_is_invited (EmpathyTpChat *chat,
+    TpHandle *inviter);
+TpChannelChatState empathy_tp_chat_get_chat_state (EmpathyTpChat *chat,
+    EmpathyContact *contact);
 
-EmpathyContact * empathy_tp_chat_get_self_contact   (EmpathyTpChat      *self);
+EmpathyContact * empathy_tp_chat_get_self_contact (EmpathyTpChat *self);
 
 G_END_DECLS
 



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