Implementing basic chatroom support. Actually it works only if we get

2007-05-21  Xavier Claessens  <xclaesse@gmail.com>

	* libempathy-gtk/gossip-group-chat.c:
	* libempathy-gtk/gossip-group-chat.h:
	* libempathy-gtk/gossip-private-chat.c:
	* libempathy-gtk/gossip-private-chat.h:
	* libempathy-gtk/gossip-group-chat.glade:
	* libempathy-gtk/Makefile.am:
	* src/empathy-chat-main.c:
	* libempathy/empathy-tp-contact-list.c:
	* libempathy/gossip-telepathy-group.c:
	* libempathy/gossip-telepathy-group.h:
	* libempathy/empathy-tp-chatroom.c:
	* libempathy/empathy-tp-chatroom.h: Implementing basic chatroom support.
	Actually it works only if we get invited in a chatroom.


svn path=/trunk/; revision=87

6 files changed, 908 insertions, 16 deletions

diff --git a/libempathy-gtk/Makefile.am b/libempathy-gtk/Makefile.am
index 42fd8b095..7a5d1893a 100644
--- a/libempathy-gtk/Makefile.am
+++ b/libempathy-gtk/Makefile.am
@@ -27,6 +27,7 @@ libempathy_gtk_la_SOURCES =             					\
 	gossip-chat.c				gossip-chat.h			\
 	gossip-chat-view.c			gossip-chat-view.h		\
 	gossip-private-chat.c			gossip-private-chat.h		\
+	gossip-group-chat.c			gossip-group-chat.h		\
 	gossip-geometry.c			gossip-geometry.h		\
 	gossip-status-presets.c			gossip-status-presets.h		\
 	gossip-presence-chooser.c		gossip-presence-chooser.h	\
@@ -47,6 +48,7 @@ glade_DATA = 					\
 	gossip-presence-chooser.glade		\
 	gossip-accounts-dialog.glade		\
 	gossip-account-widget-jabber.glade	\
+	gossip-group-chat.glade			\
 	gossip-chat.glade
 
 dtddir = $(datadir)/empathy
diff --git a/libempathy-gtk/gossip-group-chat.c b/libempathy-gtk/gossip-group-chat.c
new file mode 100644
index 000000000..b955ee21e
--- /dev/null
+++ b/libempathy-gtk/gossip-group-chat.c
@@ -0,0 +1,630 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
+/*
+ * Copyright (C) 2002-2007 Imendio AB
+ * Copyright (C) 2007 Collabora Ltd.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public
+ * License along with this program; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ *
+ * Authors: Mikael Hallendal <micke@imendio.com>
+ *          Richard Hult <richard@imendio.com>
+ *          Martyn Russell <martyn@imendio.com>
+ *          Xavier Claessens <xclaesse@gmail.com>
+ */
+
+#include "config.h"
+
+#include <string.h>
+
+#include <gtk/gtk.h>
+#include <glade/glade.h>
+#include <glib/gi18n.h>
+
+#include <libempathy/empathy-tp-chat.h>
+#include <libempathy/empathy-tp-chatroom.h>
+#include <libempathy/gossip-contact.h>
+#include <libempathy/gossip-utils.h>
+#include <libempathy/gossip-debug.h>
+
+#include "gossip-group-chat.h"
+#include "gossip-chat.h"
+#include "gossip-chat-view.h"
+#include "gossip-contact-list-store.h"
+#include "gossip-contact-list-view.h"
+//#include "gossip-chat-invite.h"
+//#include "gossip-sound.h"
+#include "empathy-images.h"
+#include "gossip-ui-utils.h"
+
+#define DEBUG_DOMAIN "GroupChat"
+
+#define GET_PRIV(obj) (G_TYPE_INSTANCE_GET_PRIVATE ((obj), GOSSIP_TYPE_GROUP_CHAT, GossipGroupChatPriv))
+
+struct _GossipGroupChatPriv {
+	GossipContactListStore *store;
+	GossipContactListView  *view;
+	EmpathyTpChatroom      *tp_chat;
+
+	GtkWidget              *widget;
+	GtkWidget              *hpaned;
+	GtkWidget              *vbox_left;
+	GtkWidget              *scrolled_window_chat;
+	GtkWidget              *scrolled_window_input;
+	GtkWidget              *scrolled_window_contacts;
+	GtkWidget              *hbox_topic;
+	GtkWidget              *label_topic;
+
+	gchar                  *topic;
+	gchar                  *name;
+	GCompletion            *completion;
+
+	gint                    contacts_width;
+	gboolean                contacts_visible;
+};
+
+static void          group_chat_finalize                 (GObject           *object);
+static void          group_chat_create_ui                (GossipGroupChat   *chat);
+static void          group_chat_widget_destroy_cb        (GtkWidget         *widget,
+							  GossipGroupChat   *chat);
+static void          group_chat_contact_added_cb         (EmpathyTpChatroom *tp_chat,
+							  GossipContact     *contact,
+							  GossipGroupChat   *chat);
+static void          group_chat_contact_removed_cb       (EmpathyTpChatroom *tp_chat,
+							  GossipContact     *contact,
+							  GossipGroupChat   *chat);
+/*static void          group_chat_topic_changed_cb         (EmpathyTpChatroom *tp_chat,
+							  const gchar       *new_topic,
+							  GossipGroupChat   *chat);*/
+static void          group_chat_topic_entry_activate_cb  (GtkWidget         *entry,
+							  GtkDialog         *dialog);
+static void          group_chat_topic_response_cb        (GtkWidget         *dialog,
+							  gint               response,			      
+							  GossipGroupChat   *chat);
+void                 gossip_group_chat_set_topic         (GossipGroupChat   *chat);
+static const gchar * group_chat_get_name                 (GossipChat        *chat);
+static gchar *       group_chat_get_tooltip              (GossipChat        *chat);
+static const gchar * group_chat_get_status_icon_name     (GossipChat        *chat);
+static GtkWidget *   group_chat_get_widget               (GossipChat        *chat);
+static gboolean      group_chat_is_group_chat            (GossipChat        *chat);
+/*static gboolean      group_chat_key_press_event          (GtkWidget         *widget,
+							  GdkEventKey       *event,
+							  GossipGroupChat   *chat);*/
+static gint          group_chat_contacts_completion_func (const gchar       *s1,
+							  const gchar       *s2,
+							  gsize              n);
+
+G_DEFINE_TYPE (GossipGroupChat, gossip_group_chat, GOSSIP_TYPE_CHAT)
+
+static void
+gossip_group_chat_class_init (GossipGroupChatClass *klass)
+{
+	GObjectClass    *object_class;
+	GossipChatClass *chat_class;
+
+	object_class = G_OBJECT_CLASS (klass);
+	chat_class = GOSSIP_CHAT_CLASS (klass);
+
+	object_class->finalize           = group_chat_finalize;
+
+	chat_class->get_name             = group_chat_get_name;
+	chat_class->get_tooltip          = group_chat_get_tooltip;
+	chat_class->get_status_icon_name = group_chat_get_status_icon_name;
+	chat_class->get_widget           = group_chat_get_widget;
+	chat_class->is_group_chat        = group_chat_is_group_chat;
+
+	g_type_class_add_private (object_class, sizeof (GossipGroupChatPriv));
+}
+
+static void
+gossip_group_chat_init (GossipGroupChat *chat)
+{
+	GossipGroupChatPriv *priv;
+	GossipChatView      *chatview;
+
+	priv = GET_PRIV (chat);
+
+	priv->contacts_visible = TRUE;
+
+	chatview = GOSSIP_CHAT_VIEW (GOSSIP_CHAT (chat)->view);
+	gossip_chat_view_set_is_group_chat (chatview, TRUE);
+
+	group_chat_create_ui (chat);
+}
+
+static void
+group_chat_finalize (GObject *object)
+{
+	GossipGroupChat     *chat;
+	GossipGroupChatPriv *priv;
+
+	gossip_debug (DEBUG_DOMAIN, "Finalized:%p", object);
+
+	chat = GOSSIP_GROUP_CHAT (object);
+	priv = GET_PRIV (chat);
+	
+	g_free (priv->name);
+	g_free (priv->topic);
+	g_object_unref (priv->store);
+	g_object_unref (priv->tp_chat);	
+	g_completion_free (priv->completion);
+
+	G_OBJECT_CLASS (gossip_group_chat_parent_class)->finalize (object);
+}
+
+GossipGroupChat *
+gossip_group_chat_new (McAccount *account,
+		       TpChan    *tp_chan)
+{
+	GossipGroupChat     *chat;
+	GossipGroupChatPriv *priv;
+
+	g_return_val_if_fail (MC_IS_ACCOUNT (account), NULL);
+	g_return_val_if_fail (TELEPATHY_IS_CHAN (tp_chan), NULL);
+
+	chat = g_object_new (GOSSIP_TYPE_GROUP_CHAT, NULL);
+
+	priv = GET_PRIV (chat);
+
+	priv->tp_chat = empathy_tp_chatroom_new (account, tp_chan);
+	gossip_chat_set_tp_chat (GOSSIP_CHAT (chat), EMPATHY_TP_CHAT (priv->tp_chat));
+	GOSSIP_CHAT (chat)->account = g_object_ref (account);
+
+	/* FIXME: Ask the user before accepting */
+	empathy_tp_chatroom_accept_invitation (priv->tp_chat);
+
+	/* Create contact list */
+	priv->store = gossip_contact_list_store_new (EMPATHY_CONTACT_LIST (priv->tp_chat));
+	priv->view = gossip_contact_list_view_new (priv->store);
+	gtk_container_add (GTK_CONTAINER (priv->scrolled_window_contacts),
+			   GTK_WIDGET (priv->view));
+	gtk_widget_show (GTK_WIDGET (priv->view));
+
+	g_signal_connect (priv->tp_chat, "contact-added",
+			  G_CALLBACK (group_chat_contact_added_cb),
+			  chat);
+	g_signal_connect (priv->tp_chat, "contact-removed",
+			  G_CALLBACK (group_chat_contact_removed_cb),
+			  chat);
+/*	g_signal_connect (priv->tp_chat, "chatroom-topic-changed",
+			  G_CALLBACK (group_chat_topic_changed_cb),
+			  chat);
+	g_signal_connect (priv->tp_chat, "contact-info-changed",
+			  G_CALLBACK (group_chat_contact_info_changed_cb),
+			  chat);*/
+
+	return chat;
+}
+
+gboolean
+gossip_group_chat_get_show_contacts (GossipChat *chat)
+{
+	GossipGroupChat     *group_chat;
+	GossipGroupChatPriv *priv;
+
+	g_return_val_if_fail (GOSSIP_IS_GROUP_CHAT (chat), FALSE);
+
+	group_chat = GOSSIP_GROUP_CHAT (chat);
+	priv = GET_PRIV (group_chat);
+
+	return priv->contacts_visible;
+}
+
+void
+gossip_group_chat_set_show_contacts (GossipChat *chat,
+				     gboolean    show)
+{
+	GossipGroupChat     *group_chat;
+	GossipGroupChatPriv *priv;
+
+	g_return_if_fail (GOSSIP_IS_GROUP_CHAT (chat));
+
+	group_chat = GOSSIP_GROUP_CHAT (chat);
+	priv = GET_PRIV (group_chat);
+
+	priv->contacts_visible = show;
+
+	if (show) {
+		gtk_widget_show (priv->scrolled_window_contacts);
+		gtk_paned_set_position (GTK_PANED (priv->hpaned),
+					priv->contacts_width);
+	} else {
+		priv->contacts_width = gtk_paned_get_position (GTK_PANED (priv->hpaned));
+		gtk_widget_hide (priv->scrolled_window_contacts);
+	}
+}
+
+static void
+group_chat_create_ui (GossipGroupChat *chat)
+{
+	GossipGroupChatPriv *priv;
+	GladeXML            *glade;
+ 	GList               *list = NULL; 
+
+	priv = GET_PRIV (chat);
+
+	glade = gossip_glade_get_file ("gossip-group-chat.glade",
+				       "group_chat_widget",
+				       NULL,
+				       "group_chat_widget", &priv->widget,
+				       "hpaned", &priv->hpaned,
+				       "vbox_left", &priv->vbox_left,
+				       "scrolled_window_chat", &priv->scrolled_window_chat,
+				       "scrolled_window_input", &priv->scrolled_window_input,
+				       "hbox_topic", &priv->hbox_topic,
+				       "label_topic", &priv->label_topic,
+				       "scrolled_window_contacts", &priv->scrolled_window_contacts,
+				       NULL);
+
+	gossip_glade_connect (glade,
+			      chat,
+			      "group_chat_widget", "destroy", group_chat_widget_destroy_cb,
+			      NULL);
+
+	g_object_unref (glade);
+
+	g_object_set_data (G_OBJECT (priv->widget), "chat", chat);
+
+	/* Add room GtkTextView. */
+	gtk_container_add (GTK_CONTAINER (priv->scrolled_window_chat),
+			   GTK_WIDGET (GOSSIP_CHAT (chat)->view));
+	gtk_widget_show (GTK_WIDGET (GOSSIP_CHAT (chat)->view));
+
+	/* Add input GtkTextView */
+	gtk_container_add (GTK_CONTAINER (priv->scrolled_window_input),
+			   GOSSIP_CHAT (chat)->input_text_view);
+	gtk_widget_show (GOSSIP_CHAT (chat)->input_text_view);
+
+	/* Add nick name completion */
+	priv->completion = g_completion_new (NULL);
+	g_completion_set_compare (priv->completion,
+				  group_chat_contacts_completion_func);
+
+	/* Set widget focus order */
+	list = g_list_append (NULL, priv->scrolled_window_input);
+	gtk_container_set_focus_chain (GTK_CONTAINER (priv->vbox_left), list);
+	g_list_free (list);
+
+	list = g_list_append (NULL, priv->vbox_left);
+	list = g_list_append (list, priv->scrolled_window_contacts);
+	gtk_container_set_focus_chain (GTK_CONTAINER (priv->hpaned), list);
+	g_list_free (list);
+
+	list = g_list_append (NULL, priv->hpaned);
+	list = g_list_append (list, priv->hbox_topic);
+	gtk_container_set_focus_chain (GTK_CONTAINER (priv->widget), list);
+	g_list_free (list);
+}
+
+static void
+group_chat_widget_destroy_cb (GtkWidget       *widget,
+			      GossipGroupChat *chat)
+{
+	gossip_debug (DEBUG_DOMAIN, "Destroyed");
+
+	g_object_unref (chat);
+}
+
+static void
+group_chat_contact_added_cb (EmpathyTpChatroom *tp_chat,
+			     GossipContact     *contact,
+			     GossipGroupChat   *chat)
+{
+	GossipGroupChatPriv *priv;
+	gchar               *str;
+
+	priv = GET_PRIV (chat);
+
+	str = g_strdup_printf (_("%s has joined the room"),
+			       gossip_contact_get_name (contact));
+	gossip_chat_view_append_event (GOSSIP_CHAT (chat)->view, str);
+	g_free (str);
+}
+
+static void
+group_chat_contact_removed_cb (EmpathyTpChatroom *tp_chat,
+			       GossipContact     *contact,
+			       GossipGroupChat   *chat)
+{
+	GossipGroupChatPriv *priv;
+	gchar               *str;
+
+	priv = GET_PRIV (chat);
+
+	str = g_strdup_printf (_("%s has left the room"),
+			       gossip_contact_get_name (contact));
+	gossip_chat_view_append_event (GOSSIP_CHAT (chat)->view, str);
+	g_free (str);
+}
+/*
+static void
+group_chat_topic_changed_cb (EmpathyTpChatroom *tp_chat,
+			     const gchar       *new_topic,
+			     GossipGroupChat   *chat)
+{
+	GossipGroupChatPriv *priv;
+	gchar               *str;
+
+	priv = GET_PRIV (chat);
+
+	gossip_debug (DEBUG_DOMAIN, "Topic changed by to:'%s'", new_topic);
+
+	g_free (priv->topic);
+	priv->topic = g_strdup (new_topic);
+	
+	gtk_label_set_text (GTK_LABEL (priv->label_topic), new_topic);
+
+	str = g_strdup_printf (_("Topic set to: %s"), new_topic);
+	gossip_chat_view_append_event (GOSSIP_CHAT (chat)->view, str);
+	g_free (str);
+}
+*/
+static void
+group_chat_topic_entry_activate_cb (GtkWidget *entry,
+				    GtkDialog *dialog)
+{
+	gtk_dialog_response (dialog, GTK_RESPONSE_OK);
+}
+
+static void
+group_chat_topic_response_cb (GtkWidget       *dialog,
+			      gint             response,			      
+			      GossipGroupChat *chat)
+{
+	if (response == GTK_RESPONSE_OK) {
+		GtkWidget   *entry;
+		const gchar *topic;
+
+		entry = g_object_get_data (G_OBJECT (dialog), "entry");
+		topic = gtk_entry_get_text (GTK_ENTRY (entry));
+		
+		if (!G_STR_EMPTY (topic)) {
+			GossipGroupChatPriv *priv;
+
+			priv = GET_PRIV (chat);
+
+			empathy_tp_chatroom_set_topic (priv->tp_chat, topic);
+		}
+	}
+
+	gtk_widget_destroy (dialog);
+}
+
+void
+gossip_group_chat_set_topic (GossipGroupChat *chat)
+{
+	GossipGroupChatPriv *priv;
+	GossipChatWindow    *chat_window;
+	GtkWidget           *chat_dialog;
+	GtkWidget           *dialog;
+	GtkWidget           *entry;
+	GtkWidget           *hbox;
+	const gchar         *topic;
+
+	priv = GET_PRIV (chat);
+
+	chat_window = gossip_chat_get_window (GOSSIP_CHAT (chat));
+	chat_dialog = gossip_chat_window_get_dialog (chat_window);
+
+	dialog = gtk_message_dialog_new (GTK_WINDOW (chat_dialog),
+					 0,
+					 GTK_MESSAGE_QUESTION,
+					 GTK_BUTTONS_OK_CANCEL,
+					 _("Enter the new topic you want to set for this room:"));
+
+	topic = gtk_label_get_text (GTK_LABEL (priv->label_topic));
+
+	hbox = gtk_hbox_new (FALSE, 0);
+	gtk_box_pack_start (GTK_BOX (GTK_DIALOG (dialog)->vbox),
+			    hbox, FALSE, TRUE, 4);
+
+	entry = gtk_entry_new ();
+	gtk_entry_set_text (GTK_ENTRY (entry), topic);
+	gtk_editable_select_region (GTK_EDITABLE (entry), 0, -1);
+		    
+	gtk_box_pack_start (GTK_BOX (hbox), entry, TRUE, TRUE, 4);
+
+	g_object_set (GTK_MESSAGE_DIALOG (dialog)->label, "use-markup", TRUE, NULL);
+	g_object_set_data (G_OBJECT (dialog), "entry", entry);
+
+	g_signal_connect (entry, "activate",
+			  G_CALLBACK (group_chat_topic_entry_activate_cb),
+			  dialog);
+	g_signal_connect (dialog, "response",
+			  G_CALLBACK (group_chat_topic_response_cb),
+			  chat);
+
+	gtk_widget_show_all (dialog);
+}
+
+static const gchar *
+group_chat_get_name (GossipChat *chat)
+{
+	GossipGroupChat     *group_chat;
+	GossipGroupChatPriv *priv;
+
+	g_return_val_if_fail (GOSSIP_IS_GROUP_CHAT (chat), NULL);
+
+	group_chat = GOSSIP_GROUP_CHAT (chat);
+	priv = GET_PRIV (group_chat);
+
+	return priv->name;
+}
+
+static gchar *
+group_chat_get_tooltip (GossipChat *chat)
+{
+	GossipGroupChat     *group_chat;
+	GossipGroupChatPriv *priv;
+
+	g_return_val_if_fail (GOSSIP_IS_GROUP_CHAT (chat), NULL);
+
+	group_chat = GOSSIP_GROUP_CHAT (chat);
+	priv = GET_PRIV (group_chat);
+
+	if (priv->topic) {
+		gchar *topic, *tmp;
+
+		topic = g_strdup_printf (_("Topic: %s"), priv->topic);
+		tmp = g_strdup_printf ("%s\n%s", priv->name, topic);
+		g_free (topic);
+
+		return tmp;
+	}
+
+	return g_strdup (priv->name);
+}
+
+static const gchar *
+group_chat_get_status_icon_name (GossipChat *chat)
+{
+	return EMPATHY_IMAGE_GROUP_MESSAGE;
+}
+
+static GtkWidget *
+group_chat_get_widget (GossipChat *chat)
+{
+	GossipGroupChat     *group_chat;
+	GossipGroupChatPriv *priv;
+
+	g_return_val_if_fail (GOSSIP_IS_GROUP_CHAT (chat), NULL);
+
+	group_chat = GOSSIP_GROUP_CHAT (chat);
+	priv = GET_PRIV (group_chat);
+
+	return priv->widget;
+}
+
+static gboolean
+group_chat_is_group_chat (GossipChat *chat)
+{
+	g_return_val_if_fail (GOSSIP_IS_GROUP_CHAT (chat), FALSE);
+
+	return TRUE;
+}
+#if 0
+static gboolean
+group_chat_key_press_event (GtkWidget       *widget,
+			    GdkEventKey     *event,
+			    GossipGroupChat *chat)
+{
+	GossipGroupChatPriv *priv;
+	GtkAdjustment       *adj;
+	gdouble              val;
+	GtkTextBuffer       *buffer;
+	GtkTextIter          start, current;
+	gchar               *nick, *completed;
+	gint                 len;
+	GList               *list, *l, *completed_list;
+	gboolean             is_start_of_buffer;
+
+	priv = GET_PRIV (chat);
+
+	if ((event->state & GDK_CONTROL_MASK) != GDK_CONTROL_MASK &&
+	    (event->state & GDK_SHIFT_MASK) != GDK_SHIFT_MASK &&
+	    event->keyval == GDK_Tab) {
+		buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (GOSSIP_CHAT (chat)->input_text_view));
+		gtk_text_buffer_get_iter_at_mark (buffer, &current, gtk_text_buffer_get_insert (buffer));
+
+		/* Get the start of the nick to complete. */
+		gtk_text_buffer_get_iter_at_mark (buffer, &start, gtk_text_buffer_get_insert (buffer));
+		gtk_text_iter_backward_word_start (&start);
+		is_start_of_buffer = gtk_text_iter_is_start (&start);
+
+		nick = gtk_text_buffer_get_text (buffer, &start, &current, FALSE);
+
+		g_completion_clear_items (priv->completion);
+
+		len = strlen (nick);
+
+		list = group_chat_get_nick_list (chat);
+
+		g_completion_add_items (priv->completion, list);
+
+		completed_list = g_completion_complete (priv->completion,
+							nick,
+							&completed);
+
+		g_free (nick);
+
+		if (completed) {
+			int       len;
+			gchar    *text;
+
+			gtk_text_buffer_delete (buffer, &start, &current);
+
+			len = g_list_length (completed_list);
+
+			if (len == 1) {
+				/* If we only have one hit, use that text
+				 * instead of the text in completed since the
+				 * completed text will use the typed string
+				 * which might be cased all wrong.
+				 * Fixes #120876
+				 * */
+				text = (gchar *) completed_list->data;
+			} else {
+				text = completed;
+			}
+
+			gtk_text_buffer_insert_at_cursor (buffer, text, strlen (text));
+
+			if (len == 1) {
+				if (is_start_of_buffer) {
+					gtk_text_buffer_insert_at_cursor (buffer, ", ", 2);
+				}
+			}
+
+			g_free (completed);
+		}
+
+		g_completion_clear_items (priv->completion);
+
+		for (l = list; l; l = l->next) {
+			g_free (l->data);
+		}
+
+		g_list_free (list);
+
+		return TRUE;
+	}
+
+	return FALSE;
+}
+#endif
+
+static gint
+group_chat_contacts_completion_func (const gchar *s1,
+				     const gchar *s2,
+				     gsize        n)
+{
+	gchar *tmp, *nick1, *nick2;
+	gint   ret;
+
+	tmp = g_utf8_normalize (s1, -1, G_NORMALIZE_DEFAULT);
+	nick1 = g_utf8_casefold (tmp, -1);
+	g_free (tmp);
+
+	tmp = g_utf8_normalize (s2, -1, G_NORMALIZE_DEFAULT);
+	nick2 = g_utf8_casefold (tmp, -1);
+	g_free (tmp);
+
+	ret = strncmp (nick1, nick2, n);
+
+	g_free (nick1);
+	g_free (nick2);
+
+	return ret;
+}
+
diff --git a/libempathy-gtk/gossip-group-chat.glade b/libempathy-gtk/gossip-group-chat.glade
new file mode 100644
index 000000000..7b6f2c00f
--- /dev/null
+++ b/libempathy-gtk/gossip-group-chat.glade
@@ -0,0 +1,183 @@
+<?xml version="1.0" standalone="no"?> <!--*- mode: xml -*-->
+<!DOCTYPE glade-interface SYSTEM "http://glade.gnome.org/glade-2.0.dtd">
+
+<glade-interface>
+
+<widget class="GtkWindow" id="group_chat_window">
+  <property name="border_width">6</property>
+  <property name="title" translatable="yes">Group Chat</property>
+  <property name="type">GTK_WINDOW_TOPLEVEL</property>
+  <property name="window_position">GTK_WIN_POS_NONE</property>
+  <property name="modal">False</property>
+  <property name="default_width">600</property>
+  <property name="default_height">400</property>
+  <property name="resizable">True</property>
+  <property name="destroy_with_parent">False</property>
+  <property name="icon">gossip-group-message.png</property>
+  <property name="decorated">True</property>
+  <property name="skip_taskbar_hint">False</property>
+  <property name="skip_pager_hint">False</property>
+  <property name="type_hint">GDK_WINDOW_TYPE_HINT_NORMAL</property>
+  <property name="gravity">GDK_GRAVITY_NORTH_WEST</property>
+  <property name="focus_on_map">True</property>
+  <property name="urgency_hint">False</property>
+
+  <child>
+    <widget class="GtkVBox" id="group_chat_widget">
+      <property name="border_width">4</property>
+      <property name="visible">True</property>
+      <property name="homogeneous">False</property>
+      <property name="spacing">6</property>
+
+      <child>
+	<widget class="GtkHBox" id="hbox_topic">
+	  <property name="visible">True</property>
+	  <property name="homogeneous">False</property>
+	  <property name="spacing">6</property>
+
+	  <child>
+	    <widget class="GtkLabel" id="label80">
+	      <property name="visible">True</property>
+	      <property name="label" translatable="yes">&lt;b&gt;Topic:&lt;/b&gt;</property>
+	      <property name="use_underline">False</property>
+	      <property name="use_markup">True</property>
+	      <property name="justify">GTK_JUSTIFY_LEFT</property>
+	      <property name="wrap">False</property>
+	      <property name="selectable">False</property>
+	      <property name="xalign">0</property>
+	      <property name="yalign">0</property>
+	      <property name="xpad">0</property>
+	      <property name="ypad">0</property>
+	      <property name="ellipsize">PANGO_ELLIPSIZE_NONE</property>
+	      <property name="width_chars">-1</property>
+	      <property name="single_line_mode">False</property>
+	      <property name="angle">0</property>
+	    </widget>
+	    <packing>
+	      <property name="padding">0</property>
+	      <property name="expand">False</property>
+	      <property name="fill">False</property>
+	    </packing>
+	  </child>
+
+	  <child>
+	    <widget class="GtkLabel" id="label_topic">
+	      <property name="visible">True</property>
+	      <property name="can_focus">True</property>
+	      <property name="label" translatable="yes"></property>
+	      <property name="use_underline">False</property>
+	      <property name="use_markup">True</property>
+	      <property name="justify">GTK_JUSTIFY_LEFT</property>
+	      <property name="wrap">True</property>
+	      <property name="selectable">True</property>
+	      <property name="xalign">0</property>
+	      <property name="yalign">0.5</property>
+	      <property name="xpad">0</property>
+	      <property name="ypad">0</property>
+	      <property name="ellipsize">PANGO_ELLIPSIZE_END</property>
+	      <property name="width_chars">-1</property>
+	      <property name="single_line_mode">True</property>
+	      <property name="angle">0</property>
+	    </widget>
+	    <packing>
+	      <property name="padding">0</property>
+	      <property name="expand">True</property>
+	      <property name="fill">True</property>
+	    </packing>
+	  </child>
+	</widget>
+	<packing>
+	  <property name="padding">2</property>
+	  <property name="expand">False</property>
+	  <property name="fill">False</property>
+	</packing>
+      </child>
+
+      <child>
+	<widget class="GtkHPaned" id="hpaned">
+	  <property name="visible">True</property>
+	  <property name="can_focus">True</property>
+
+	  <child>
+	    <widget class="GtkVBox" id="vbox_left">
+	      <property name="visible">True</property>
+	      <property name="homogeneous">False</property>
+	      <property name="spacing">6</property>
+
+	      <child>
+		<widget class="GtkScrolledWindow" id="scrolled_window_chat">
+		  <property name="visible">True</property>
+		  <property name="can_focus">True</property>
+		  <property name="hscrollbar_policy">GTK_POLICY_AUTOMATIC</property>
+		  <property name="vscrollbar_policy">GTK_POLICY_ALWAYS</property>
+		  <property name="shadow_type">GTK_SHADOW_IN</property>
+		  <property name="window_placement">GTK_CORNER_TOP_LEFT</property>
+
+		  <child>
+		    <placeholder/>
+		  </child>
+		</widget>
+		<packing>
+		  <property name="padding">0</property>
+		  <property name="expand">True</property>
+		  <property name="fill">True</property>
+		</packing>
+	      </child>
+
+	      <child>
+		<widget class="GtkScrolledWindow" id="scrolled_window_input">
+		  <property name="visible">True</property>
+		  <property name="can_focus">True</property>
+		  <property name="hscrollbar_policy">GTK_POLICY_NEVER</property>
+		  <property name="vscrollbar_policy">GTK_POLICY_NEVER</property>
+		  <property name="shadow_type">GTK_SHADOW_IN</property>
+		  <property name="window_placement">GTK_CORNER_TOP_LEFT</property>
+
+		  <child>
+		    <placeholder/>
+		  </child>
+		</widget>
+		<packing>
+		  <property name="padding">0</property>
+		  <property name="expand">False</property>
+		  <property name="fill">True</property>
+		</packing>
+	      </child>
+	    </widget>
+	    <packing>
+	      <property name="shrink">True</property>
+	      <property name="resize">True</property>
+	    </packing>
+	  </child>
+
+	  <child>
+	    <widget class="GtkScrolledWindow" id="scrolled_window_contacts">
+	      <property name="width_request">0</property>
+	      <property name="visible">True</property>
+	      <property name="can_focus">True</property>
+	      <property name="hscrollbar_policy">GTK_POLICY_NEVER</property>
+	      <property name="vscrollbar_policy">GTK_POLICY_AUTOMATIC</property>
+	      <property name="shadow_type">GTK_SHADOW_IN</property>
+	      <property name="window_placement">GTK_CORNER_TOP_LEFT</property>
+
+	      <child>
+		<placeholder/>
+	      </child>
+	    </widget>
+	    <packing>
+	      <property name="shrink">False</property>
+	      <property name="resize">False</property>
+	    </packing>
+	  </child>
+	</widget>
+	<packing>
+	  <property name="padding">0</property>
+	  <property name="expand">True</property>
+	  <property name="fill">True</property>
+	</packing>
+      </child>
+    </widget>
+  </child>
+</widget>
+
+</glade-interface>
diff --git a/libempathy-gtk/gossip-group-chat.h b/libempathy-gtk/gossip-group-chat.h
new file mode 100644
index 000000000..871d65d61
--- /dev/null
+++ b/libempathy-gtk/gossip-group-chat.h
@@ -0,0 +1,68 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
+/*
+ * Copyright (C) 2002-2007 Imendio AB
+ * Copyright (C) 2007 Collabora Ltd.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public
+ * License along with this program; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ *
+ * Authors: Mikael Hallendal <micke@imendio.com>
+ *          Richard Hult <richard@imendio.com>
+ *          Martyn Russell <martyn@imendio.com>
+ *          Xavier Claessens <xclaesse@gmail.com>
+ */
+
+#ifndef __GOSSIP_GROUP_CHAT_H__
+#define __GOSSIP_GROUP_CHAT_H__
+
+G_BEGIN_DECLS
+
+#include <libtelepathy/tp-chan.h>
+
+#include <libmissioncontrol/mc-account.h>
+
+#define GOSSIP_TYPE_GROUP_CHAT         (gossip_group_chat_get_type ())
+#define GOSSIP_GROUP_CHAT(o)           (G_TYPE_CHECK_INSTANCE_CAST ((o), GOSSIP_TYPE_GROUP_CHAT, GossipGroupChat))
+#define GOSSIP_GROUP_CHAT_CLASS(k)     (G_TYPE_CHECK_CLASS_CAST ((k), GOSSIP_TYPE_GROUP_CHAT, GossipGroupChatClass))
+#define GOSSIP_IS_GROUP_CHAT(o)        (G_TYPE_CHECK_INSTANCE_TYPE ((o), GOSSIP_TYPE_GROUP_CHAT))
+#define GOSSIP_IS_GROUP_CHAT_CLASS(k)  (G_TYPE_CHECK_CLASS_TYPE ((k), GOSSIP_TYPE_GROUP_CHAT))
+#define GOSSIP_GROUP_CHAT_GET_CLASS(o) (G_TYPE_INSTANCE_GET_CLASS ((o), GOSSIP_TYPE_GROUP_CHAT, GossipGroupChatClass))
+
+typedef struct _GossipGroupChat      GossipGroupChat;
+typedef struct _GossipGroupChatClass GossipGroupChatClass;
+typedef struct _GossipGroupChatPriv  GossipGroupChatPriv;
+
+#include "gossip-chat.h"
+
+struct _GossipGroupChat {
+	GossipChat parent;
+
+	GossipGroupChatPriv *priv;
+};
+
+struct _GossipGroupChatClass {
+	GossipChatClass parent_class;
+};
+
+GType            gossip_group_chat_get_type          (void) G_GNUC_CONST;
+GossipGroupChat *gossip_group_chat_new               (McAccount  *account,
+						      TpChan     *tp_chan);
+gboolean         gossip_group_chat_get_show_contacts (GossipChat *chat);
+void             gossip_group_chat_set_show_contacts (GossipChat *chat,
+						      gboolean    show);
+
+G_END_DECLS
+
+#endif /* __GOSSIP_GROUP_CHAT_H__ */
diff --git a/libempathy-gtk/gossip-private-chat.c b/libempathy-gtk/gossip-private-chat.c
index 84cc156e8..fb7198ff0 100644
--- a/libempathy-gtk/gossip-private-chat.c
+++ b/libempathy-gtk/gossip-private-chat.c
@@ -33,10 +33,10 @@
 #include <glade/glade.h>
 #include <glib/gi18n.h>
 
-#include <libmissioncontrol/mc-account.h>
-
 #include <libempathy/gossip-debug.h>
 #include <libempathy/empathy-tp-chat.h>
+#include <libempathy/empathy-tp-contact-list.h>
+#include <libempathy/empathy-contact-manager.h>
 //#include <libgossip/gossip-log.h>
 
 #include "gossip-private-chat.h"
@@ -328,36 +328,44 @@ private_chat_setup (GossipPrivateChat *chat,
 }
 
 GossipPrivateChat *
-gossip_private_chat_new (GossipContact *contact)
+gossip_private_chat_new (McAccount *account,
+			 TpChan    *tp_chan)
 {
-	GossipPrivateChat *chat;
-	EmpathyTpChat     *tp_chat;
+	GossipPrivateChat     *chat;
+	EmpathyTpChat         *tp_chat;
+	EmpathyContactManager *manager;
+	EmpathyTpContactList  *list;
+	GossipContact         *contact;
 
-	g_return_val_if_fail (GOSSIP_IS_CONTACT (contact), NULL);
+	g_return_val_if_fail (MC_IS_ACCOUNT (account), NULL);
+	g_return_val_if_fail (TELEPATHY_IS_CHAN (tp_chan), NULL);
+
+	manager = empathy_contact_manager_new ();
+	list = empathy_contact_manager_get_list (manager, account);
+	contact = empathy_tp_contact_list_get_from_handle (list, tp_chan->handle);
 
 	chat = g_object_new (GOSSIP_TYPE_PRIVATE_CHAT, NULL);
-	tp_chat = empathy_tp_chat_new_with_contact (contact);
+	tp_chat = empathy_tp_chat_new (account, tp_chan);
 
 	private_chat_setup (chat, contact, tp_chat);
+
 	g_object_unref (tp_chat);
+	g_object_unref (contact);
+	g_object_unref (manager);
 
 	return chat;
 }
 
 GossipPrivateChat *
-gossip_private_chat_new_with_channel (GossipContact *contact,
-				      TpChan        *tp_chan)
+gossip_private_chat_new_with_contact (GossipContact *contact)
 {
 	GossipPrivateChat *chat;
 	EmpathyTpChat     *tp_chat;
-	McAccount         *account;
 
 	g_return_val_if_fail (GOSSIP_IS_CONTACT (contact), NULL);
-	g_return_val_if_fail (TELEPATHY_IS_CHAN (tp_chan), NULL);
 
-	account = gossip_contact_get_account (contact);
 	chat = g_object_new (GOSSIP_TYPE_PRIVATE_CHAT, NULL);
-	tp_chat = empathy_tp_chat_new (account, tp_chan);
+	tp_chat = empathy_tp_chat_new_with_contact (contact);
 
 	private_chat_setup (chat, contact, tp_chat);
 	g_object_unref (tp_chat);
diff --git a/libempathy-gtk/gossip-private-chat.h b/libempathy-gtk/gossip-private-chat.h
index c93b239e5..326d0f60e 100644
--- a/libempathy-gtk/gossip-private-chat.h
+++ b/libempathy-gtk/gossip-private-chat.h
@@ -30,8 +30,9 @@
 
 #include <libtelepathy/tp-chan.h>
 
+#include <libmissioncontrol/mc-account.h>
+
 #include <libempathy/gossip-contact.h>
-#include <libempathy/gossip-message.h>
 
 G_BEGIN_DECLS
 
@@ -57,9 +58,9 @@ struct _GossipPrivateChatClass {
 };
 
 GType               gossip_private_chat_get_type         (void);
-GossipPrivateChat * gossip_private_chat_new              (GossipContact     *contact);
-GossipPrivateChat * gossip_private_chat_new_with_channel (GossipContact     *contact,
+GossipPrivateChat * gossip_private_chat_new              (McAccount         *account,
 							  TpChan            *tp_chan);
+GossipPrivateChat * gossip_private_chat_new_with_contact (GossipContact     *contact);
 GossipContact *     gossip_private_chat_get_contact      (GossipPrivateChat *chat);
 
 G_END_DECLS