path: root/libempathy-gtk/empathy-contact-widget.c

/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/*
 * 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: Xavier Claessens <xclaesse@gmail.com>
 */

#include <config.h>

#include <string.h>
#include <stdlib.h>

#include <gtk/gtk.h>
#include <glade/glade.h>
#include <glib/gi18n.h>

#include <libmissioncontrol/mc-account.h>

#include <libempathy/empathy-contact-manager.h>
#include <libempathy/empathy-utils.h>

#include "empathy-contact-widget.h"
#include "empathy-account-chooser.h"
#include "empathy-ui-utils.h"

/* Delay before updating the widget when the id entry changed (ms) */
#define ID_CHANGED_TIMEOUT 500

typedef struct {
    EmpathyContact  *contact;
    gboolean         is_user;
    EmpathyContactWidgetType type;
    GtkCellRenderer *renderer;
    guint            widget_id_timeout;

    GtkWidget       *vbox_contact_widget;

    /* Contact */
    GtkWidget       *vbox_contact;
    GtkWidget       *widget_avatar;
    GtkWidget       *widget_account;
    GtkWidget       *widget_id;
    GtkWidget       *widget_alias;
    GtkWidget       *label_alias;
    GtkWidget       *entry_alias;
    GtkWidget       *hbox_presence;
    GtkWidget       *image_state;
    GtkWidget       *label_status;
    GtkWidget       *table_contact;
    GtkWidget       *hbox_contact;

    /* Groups */
    GtkWidget       *vbox_groups;
    GtkWidget       *entry_group;
    GtkWidget       *button_group;
    GtkWidget       *treeview_groups;

    /* Details */
    GtkWidget       *vbox_details;
    GtkWidget       *table_details;
    GtkWidget       *hbox_details_requested;

    /* Client */
    GtkWidget       *vbox_client;
    GtkWidget       *table_client;
    GtkWidget       *hbow_client_requested;

} EmpathyContactWidget;

typedef struct {
    EmpathyContactWidget *information;
    const gchar          *name;
    gboolean              found;
    GtkTreeIter           found_iter;
} FindName;

static void     contact_widget_destroy_cb                 (GtkWidget             *widget,
                               EmpathyContactWidget  *information);
static void     contact_widget_remove_contact             (EmpathyContactWidget  *information);
static void     contact_widget_set_contact                (EmpathyContactWidget  *information,
                               EmpathyContact         *contact);
static void     contact_widget_contact_setup              (EmpathyContactWidget  *information);
static void     contact_widget_contact_update             (EmpathyContactWidget  *information);
static gboolean contact_widget_update_contact             (EmpathyContactWidget  *information);
static void     contact_widget_account_changed_cb         (GtkComboBox           *widget,
                               EmpathyContactWidget  *information);
static gboolean contact_widget_id_focus_out_cb            (GtkWidget             *widget,
                               GdkEventFocus         *event,
                               EmpathyContactWidget  *information);
static gboolean contact_widget_entry_alias_focus_event_cb (GtkEditable           *editable,
                               GdkEventFocus         *event,
                               EmpathyContactWidget  *information);
static void     contact_widget_name_notify_cb             (EmpathyContactWidget  *information);
static void     contact_widget_presence_notify_cb         (EmpathyContactWidget  *information);
static void     contact_widget_avatar_notify_cb           (EmpathyContactWidget  *information);
static void     contact_widget_groups_setup               (EmpathyContactWidget  *information);
static void     contact_widget_groups_update              (EmpathyContactWidget  *information);
static void     contact_widget_model_setup                (EmpathyContactWidget  *information);
static void     contact_widget_model_populate_columns     (EmpathyContactWidget  *information);
static void     contact_widget_groups_populate_data       (EmpathyContactWidget  *information);
static void     contact_widget_groups_notify_cb           (EmpathyContactWidget  *information);
static gboolean contact_widget_model_find_name            (EmpathyContactWidget  *information,
                               const gchar           *name,
                               GtkTreeIter           *iter);
static gboolean contact_widget_model_find_name_foreach    (GtkTreeModel          *model,
                               GtkTreePath           *path,
                               GtkTreeIter           *iter,
                               FindName              *data);
static void     contact_widget_cell_toggled               (GtkCellRendererToggle *cell,
                               gchar                 *path_string,
                               EmpathyContactWidget  *information);
static void     contact_widget_entry_group_changed_cb     (GtkEditable           *editable,
                               EmpathyContactWidget  *information);
static void     contact_widget_entry_group_activate_cb    (GtkEntry              *entry,
                               EmpathyContactWidget  *information);
static void     contact_widget_button_group_clicked_cb    (GtkButton             *button,
                               EmpathyContactWidget  *information);
static void     contact_widget_details_setup              (EmpathyContactWidget  *information);
static void     contact_widget_details_update             (EmpathyContactWidget  *information);
static void     contact_widget_client_setup               (EmpathyContactWidget  *information);
static void     contact_widget_client_update              (EmpathyContactWidget  *information);

enum {
    COL_NAME,
    COL_ENABLED,
    COL_EDITABLE,
    COL_COUNT
};

GtkWidget *
empathy_contact_widget_new (EmpathyContact           *contact,
                EmpathyContactWidgetType  type)
{
    EmpathyContactWidget *information;
    GladeXML             *glade;

    information = g_slice_new0 (EmpathyContactWidget);
    information->type = type;
    if (contact) {
        information->is_user = empathy_contact_is_user (contact);
    } else {
        information->is_user = FALSE;
    }

    glade = empathy_glade_get_file ("empathy-contact-widget.glade",
                       "vbox_contact_widget",
                       NULL,
                       "vbox_contact_widget", &information->vbox_contact_widget,
                       "vbox_contact", &information->vbox_contact,
                       "hbox_presence", &information->hbox_presence,
                       "label_alias", &information->label_alias,
                       "image_state", &information->image_state,
                       "label_status", &information->label_status,
                       "table_contact", &information->table_contact,
                       "hbox_contact", &information->hbox_contact,
                       "vbox_groups", &information->vbox_groups,
                       "entry_group", &information->entry_group,
                       "button_group", &information->button_group,
                       "treeview_groups", &information->treeview_groups,
                       "vbox_details", &information->vbox_details,
                       "table_details", &information->table_details,
                       "hbox_details_requested", &information->hbox_details_requested,
                       "vbox_client", &information->vbox_client,
                       "table_client", &information->table_client,
                       "hbox_client_requested", &information->hbow_client_requested,
                       NULL);

    empathy_glade_connect (glade,
                  information,
                  "vbox_contact_widget", "destroy", contact_widget_destroy_cb,
                  "entry_group", "changed", contact_widget_entry_group_changed_cb,
                  "entry_group", "activate", contact_widget_entry_group_activate_cb,
                  "button_group", "clicked", contact_widget_button_group_clicked_cb,
                  NULL);

    g_object_unref (glade);

    g_object_set_data (G_OBJECT (information->vbox_contact_widget),
               "EmpathyContactWidget",
               information);

    /* Create widgets */
    contact_widget_contact_setup (information);
    contact_widget_groups_setup (information);
    contact_widget_details_setup (information);
    contact_widget_client_setup (information);

    contact_widget_set_contact (information, contact);

    gtk_widget_show (information->vbox_contact_widget);

    return information->vbox_contact_widget;
}

EmpathyContact *
empathy_contact_widget_get_contact (GtkWidget *widget)
{
    EmpathyContactWidget *information;

    g_return_val_if_fail (GTK_IS_WIDGET (widget), NULL);

    information = g_object_get_data (G_OBJECT (widget), "EmpathyContactWidget");
    if (!information) {
        return NULL;
    }

    return information->contact;
}
    
static void
contact_widget_destroy_cb (GtkWidget            *widget,
               EmpathyContactWidget *information)
{
    contact_widget_remove_contact (information);

    if (information->widget_id_timeout != 0) {
        g_source_remove (information->widget_id_timeout);
    }

    g_slice_free (EmpathyContactWidget, information);
}

static void
contact_widget_remove_contact (EmpathyContactWidget *information)
{
    if (information->contact) {
        g_signal_handlers_disconnect_by_func (information->contact,
                              contact_widget_name_notify_cb,
                              information);
        g_signal_handlers_disconnect_by_func (information->contact,
                              contact_widget_presence_notify_cb,
                              information);
        g_signal_handlers_disconnect_by_func (information->contact,
                              contact_widget_avatar_notify_cb,
                              information);
        g_signal_handlers_disconnect_by_func (information->contact,
                              contact_widget_groups_notify_cb,
                              information);

        g_object_unref (information->contact);
        information->contact = NULL;
    }
}

static void
contact_widget_set_contact (EmpathyContactWidget *information,
                EmpathyContact        *contact)
{
    contact_widget_remove_contact (information);
    if (contact) {
        information->contact = g_object_ref (contact);
    }

    /* Update information for widgets */
    contact_widget_contact_update (information);
    contact_widget_groups_update (information);
    contact_widget_details_update (information);
    contact_widget_client_update (information);
}

static gboolean
contact_widget_can_add_contact_to_account (McAccount *account,
                       gpointer   user_data)
{
    MissionControl *mc;
    TpConn         *tp_conn;
    McProfile      *profile;
    const gchar    *protocol_name;

    mc = empathy_mission_control_new ();
    tp_conn = mission_control_get_connection (mc, account, NULL);
    g_object_unref (mc);
    if (tp_conn == NULL) {
        /* Account is disconnected */
        return FALSE;
    }
    g_object_unref (tp_conn);

    profile = mc_account_get_profile (account);
    protocol_name = mc_profile_get_protocol_name (profile);
    if (strcmp (protocol_name, "salut") == 0) {
        /* We can't add accounts to a XMPP LL connection
         * FIXME: We should take that information from the profile
         * to not hardcode the protocol name
         */
        g_object_unref (profile);
        return FALSE;
    }

    g_object_unref (profile);
    return TRUE;
}

static gboolean
contact_widget_id_activate_timeout (EmpathyContactWidget *self)
{
    contact_widget_update_contact (self);
    return FALSE;
}

static void
contact_widget_id_changed_cb (GtkEntry             *entry,
                              EmpathyContactWidget *self)
{
    if (self->widget_id_timeout != 0) {     
        g_source_remove (self->widget_id_timeout);
    }

    self->widget_id_timeout =
        g_timeout_add (ID_CHANGED_TIMEOUT,
                   (GSourceFunc) contact_widget_id_activate_timeout,
                   self);
}

static void
contact_widget_contact_setup (EmpathyContactWidget *information)
{
    /* FIXME: Use EmpathyAvatarImage if (editable && is_user)  */
    information->widget_avatar = gtk_image_new ();
    gtk_box_pack_end (GTK_BOX (information->hbox_contact),
              information->widget_avatar,
              FALSE, FALSE,
              6);

    /* Setup account label/chooser */
    if (information->type == CONTACT_WIDGET_TYPE_ADD) {
        information->widget_account = empathy_account_chooser_new ();
        empathy_account_chooser_set_filter (
            EMPATHY_ACCOUNT_CHOOSER (information->widget_account),
            contact_widget_can_add_contact_to_account,
            NULL);

        g_signal_connect (information->widget_account, "changed",
                  G_CALLBACK (contact_widget_account_changed_cb),
                  information);
    } else {
        information->widget_account = gtk_label_new (NULL);
        gtk_label_set_selectable (GTK_LABEL (information->widget_account), TRUE);
        gtk_misc_set_alignment (GTK_MISC (information->widget_account), 0, 0.5);
    }
    gtk_table_attach_defaults (GTK_TABLE (information->table_contact),
                   information->widget_account,
                   1, 2, 0, 1);
    gtk_widget_show (information->widget_account);

    /* Setup id label/entry */
    if (information->type == CONTACT_WIDGET_TYPE_ADD) {
        information->widget_id = gtk_entry_new ();
        g_signal_connect (information->widget_id, "focus-out-event",
                  G_CALLBACK (contact_widget_id_focus_out_cb),
                  information);
        g_signal_connect (information->widget_id, "changed",
                  G_CALLBACK (contact_widget_id_changed_cb),
                  information);
    } else {
        information->widget_id = gtk_label_new (NULL);
        gtk_label_set_selectable (GTK_LABEL (information->widget_id), TRUE);
        gtk_misc_set_alignment (GTK_MISC (information->widget_id), 0, 0.5);
    }
    gtk_table_attach_defaults (GTK_TABLE (information->table_contact),
                   information->widget_id,
                   1, 2, 1, 2);
    gtk_widget_show (information->widget_id);

    /* Setup alias label/entry */
    if (information->type > CONTACT_WIDGET_TYPE_SHOW) {
        information->widget_alias = gtk_entry_new ();
        g_signal_connect (information->widget_alias, "focus-out-event",
                  G_CALLBACK (contact_widget_entry_alias_focus_event_cb),
                  information);
    } else {
        information->widget_alias = gtk_label_new (NULL);
        gtk_label_set_selectable (GTK_LABEL (information->widget_alias), TRUE);
        gtk_misc_set_alignment (GTK_MISC (information->widget_alias), 0, 0.5);
    }
    gtk_table_attach_defaults (GTK_TABLE (information->table_contact),
                   information->widget_alias,
                   1, 2, 2, 3);
    gtk_widget_show (information->widget_alias);
}

static void
contact_widget_contact_update (EmpathyContactWidget *information)
{
    McAccount   *account = NULL;
    const gchar *id = NULL;

    /* Connect and get info from new contact */
    if (information->contact) {
        g_signal_connect_swapped (information->contact, "notify::name",
                      G_CALLBACK (contact_widget_name_notify_cb),
                      information);
        g_signal_connect_swapped (information->contact, "notify::presence",
                      G_CALLBACK (contact_widget_presence_notify_cb),
                      information);
        g_signal_connect_swapped (information->contact, "notify::avatar",
                      G_CALLBACK (contact_widget_avatar_notify_cb),
                      information);

        account = empathy_contact_get_account (information->contact);
        id = empathy_contact_get_id (information->contact);
    }

    /* Update account widget */
    if (information->type == CONTACT_WIDGET_TYPE_ADD) {
        if (account) {
            g_signal_handlers_block_by_func (information->widget_account,
                             contact_widget_account_changed_cb,
                             information);
            empathy_account_chooser_set_account (EMPATHY_ACCOUNT_CHOOSER (information->widget_account),
                                account);
            g_signal_handlers_unblock_by_func (information->widget_account,
                               contact_widget_account_changed_cb,
                               information);
        }
        if (!G_STR_EMPTY (id)) {
            gtk_entry_set_text (GTK_ENTRY (information->widget_id), id);
        }
    } else {
        if (account) {
            const gchar *name;

            name = mc_account_get_display_name (account);
            gtk_label_set_label (GTK_LABEL (information->widget_account), name);
        }
        gtk_label_set_label (GTK_LABEL (information->widget_id), id);
    }

    /* Update other widgets */
    if (information->contact) {
        contact_widget_name_notify_cb (information);
        contact_widget_presence_notify_cb (information);
        contact_widget_avatar_notify_cb (information);

        gtk_widget_show (information->label_alias);
        gtk_widget_show (information->widget_alias);
        gtk_widget_show (information->hbox_presence);
    } else {
        gtk_widget_hide (information->label_alias);
        gtk_widget_hide (information->widget_alias);
        gtk_widget_hide (information->hbox_presence);
        gtk_widget_hide (information->widget_avatar);
    }
}

static gboolean
contact_widget_update_contact (EmpathyContactWidget *information)
{
    McAccount   *account;
    const gchar *id;

    account = empathy_account_chooser_get_account (EMPATHY_ACCOUNT_CHOOSER (information->widget_account));
    id = gtk_entry_get_text (GTK_ENTRY (information->widget_id));

    if (account && !G_STR_EMPTY (id)) {
        EmpathyContactManager *manager;
        EmpathyContact         *contact;

        manager = empathy_contact_manager_new ();
        contact = empathy_contact_manager_create (manager, account, id);
        contact_widget_set_contact (information, contact);

        if (contact) {
            g_object_unref (contact);
        }
        g_object_unref (manager);
    }

    return FALSE;
}

static void
contact_widget_account_changed_cb (GtkComboBox          *widget,
                   EmpathyContactWidget *information)
{
    contact_widget_update_contact (information);
}

static gboolean
contact_widget_id_focus_out_cb (GtkWidget            *widget,
                GdkEventFocus        *event,
                EmpathyContactWidget *information)
{
    contact_widget_update_contact (information);
    return FALSE;
}

static gboolean
contact_widget_entry_alias_focus_event_cb (GtkEditable          *editable,
                       GdkEventFocus        *event,
                       EmpathyContactWidget *information)
{
    if (information->contact) {
        const gchar *name;

        name = gtk_entry_get_text (GTK_ENTRY (editable));
        empathy_contact_set_name (information->contact, name);
    }

    return FALSE;
}

static void
contact_widget_name_notify_cb (EmpathyContactWidget *information)
{
    if (GTK_IS_ENTRY (information->widget_alias)) {
        gtk_entry_set_text (GTK_ENTRY (information->widget_alias),
                    empathy_contact_get_name (information->contact));
    } else {
        gtk_label_set_label (GTK_LABEL (information->widget_alias),
                     empathy_contact_get_name (information->contact));
    }
}

static void
contact_widget_presence_notify_cb (EmpathyContactWidget *information)
{
    gtk_label_set_text (GTK_LABEL (information->label_status),
                empathy_contact_get_status (information->contact));
    gtk_image_set_from_icon_name (GTK_IMAGE (information->image_state),
                      empathy_icon_name_for_contact (information->contact),
                      GTK_ICON_SIZE_BUTTON);

}

static void
contact_widget_avatar_notify_cb (EmpathyContactWidget *information)
{
    GdkPixbuf *avatar_pixbuf;

    avatar_pixbuf = empathy_pixbuf_avatar_from_contact_scaled (information->contact,
                                  48, 48);

    if (avatar_pixbuf) {
        gtk_image_set_from_pixbuf (GTK_IMAGE (information->widget_avatar),
                       avatar_pixbuf);
        gtk_widget_show  (information->widget_avatar);
        g_object_unref (avatar_pixbuf);
    } else {
        gtk_widget_hide  (information->widget_avatar);
    }
}

static void
contact_widget_groups_setup (EmpathyContactWidget *information)
{
    if (information->type > CONTACT_WIDGET_TYPE_SHOW) {
        contact_widget_model_setup (information);
    }
}

static void
contact_widget_groups_update (EmpathyContactWidget *information)
{
    if (information->type > CONTACT_WIDGET_TYPE_SHOW &&
        information->contact) {
        g_signal_connect_swapped (information->contact, "notify::groups",
                      G_CALLBACK (contact_widget_groups_notify_cb),
                      information);
        contact_widget_groups_populate_data (information);

        gtk_widget_show (information->vbox_groups);
    } else {
        gtk_widget_hide (information->vbox_groups);
    }
}

static void
contact_widget_model_setup (EmpathyContactWidget *information)
{
    GtkTreeView      *view;
    GtkListStore     *store;
    GtkTreeSelection *selection;

    view = GTK_TREE_VIEW (information->treeview_groups);

    store = gtk_list_store_new (COL_COUNT,
                    G_TYPE_STRING,   /* name */
                    G_TYPE_BOOLEAN,  /* enabled */
                    G_TYPE_BOOLEAN); /* editable */

    gtk_tree_view_set_model (view, GTK_TREE_MODEL (store));

    selection = gtk_tree_view_get_selection (view);
    gtk_tree_selection_set_mode (selection, GTK_SELECTION_SINGLE);

    contact_widget_model_populate_columns (information);

    gtk_tree_sortable_set_sort_column_id (GTK_TREE_SORTABLE (store),
                          COL_NAME, GTK_SORT_ASCENDING);

    g_object_unref (store);
}

static void
contact_widget_model_populate_columns (EmpathyContactWidget *information)
{
    GtkTreeView       *view;
    GtkTreeModel      *model;
    GtkTreeViewColumn *column;
    GtkCellRenderer   *renderer;
    guint              col_offset;

    view = GTK_TREE_VIEW (information->treeview_groups);
    model = gtk_tree_view_get_model (view);

    renderer = gtk_cell_renderer_toggle_new ();
    g_signal_connect (renderer, "toggled",
              G_CALLBACK (contact_widget_cell_toggled),
              information);

    column = gtk_tree_view_column_new_with_attributes (_("Select"), renderer,
                               "active", COL_ENABLED,
                               NULL);

    gtk_tree_view_column_set_sizing (column, GTK_TREE_VIEW_COLUMN_FIXED);
    gtk_tree_view_column_set_fixed_width (column, 50);
    gtk_tree_view_append_column (view, column);

    renderer = gtk_cell_renderer_text_new ();
    col_offset = gtk_tree_view_insert_column_with_attributes (view,
                                  -1, _("Group"),
                                  renderer,
                                  "text", COL_NAME,
                                  /* "editable", COL_EDITABLE, */
                                  NULL);

    g_object_set_data (G_OBJECT (renderer),
               "column", GINT_TO_POINTER (COL_NAME));

    column = gtk_tree_view_get_column (view, col_offset - 1);
    gtk_tree_view_column_set_sort_column_id (column, COL_NAME);
    gtk_tree_view_column_set_resizable (column,FALSE);
    gtk_tree_view_column_set_clickable (GTK_TREE_VIEW_COLUMN (column), TRUE);

    if (information->renderer) {
        g_object_unref (information->renderer);
    }

    information->renderer = g_object_ref (renderer);
}

static void
contact_widget_groups_populate_data (EmpathyContactWidget *information)
{
    EmpathyContactManager *manager;
    GtkTreeView           *view;
    GtkListStore          *store;
    GtkTreeIter            iter;
    GList                 *my_groups, *l;
    GList                 *all_groups;

    view = GTK_TREE_VIEW (information->treeview_groups);
    store = GTK_LIST_STORE (gtk_tree_view_get_model (view));
    gtk_list_store_clear (store);

    manager = empathy_contact_manager_new ();
    all_groups = empathy_contact_manager_get_groups (manager);
    my_groups = empathy_contact_get_groups (information->contact);
    g_object_unref (manager);

    for (l = all_groups; l; l = l->next) {
        const gchar *group_str;
        gboolean     enabled;

        group_str = l->data;

        enabled = g_list_find_custom (my_groups,
                          group_str,
                          (GCompareFunc) strcmp) != NULL;

        gtk_list_store_append (store, &iter);
        gtk_list_store_set (store, &iter,
                    COL_NAME, group_str,
                    COL_EDITABLE, TRUE,
                    COL_ENABLED, enabled,
                    -1);
    }

    g_list_free (all_groups);
}

static void
contact_widget_groups_notify_cb (EmpathyContactWidget *information)
{
    /* FIXME: not implemented */
}

static gboolean
contact_widget_model_find_name (EmpathyContactWidget *information,
                const gchar          *name,
                GtkTreeIter          *iter)
{
    GtkTreeView  *view;
    GtkTreeModel *model;
    FindName      data;

    if (G_STR_EMPTY (name)) {
        return FALSE;
    }

    data.information = information;
    data.name = name;
    data.found = FALSE;

    view = GTK_TREE_VIEW (information->treeview_groups);
    model = gtk_tree_view_get_model (view);

    gtk_tree_model_foreach (model,
                (GtkTreeModelForeachFunc) contact_widget_model_find_name_foreach,
                &data);

    if (data.found == TRUE) {
        *iter = data.found_iter;
        return TRUE;
    }

    return FALSE;
}

static gboolean
contact_widget_model_find_name_foreach (GtkTreeModel *model,
                    GtkTreePath  *path,
                    GtkTreeIter  *iter,
                    FindName     *data)
{
    gchar *name;

    gtk_tree_model_get (model, iter,
                COL_NAME, &name,
                -1);

    if (!name) {
        return FALSE;
    }

    if (data->name && strcmp (data->name, name) == 0) {
        data->found = TRUE;
        data->found_iter = *iter;

        g_free (name);

        return TRUE;
    }

    g_free (name);

    return FALSE;
}

static void
contact_widget_cell_toggled (GtkCellRendererToggle *cell,
                 gchar                 *path_string,
                 EmpathyContactWidget  *information)
{
    GtkTreeView  *view;
    GtkTreeModel *model;
    GtkListStore *store;
    GtkTreePath  *path;
    GtkTreeIter   iter;
    gboolean      enabled;
    gchar        *group;

    view = GTK_TREE_VIEW (information->treeview_groups);
    model = gtk_tree_view_get_model (view);
    store = GTK_LIST_STORE (model);

    path = gtk_tree_path_new_from_string (path_string);

    gtk_tree_model_get_iter (model, &iter, path);
    gtk_tree_model_get (model, &iter,
                COL_ENABLED, &enabled,
                COL_NAME, &group,
                -1);

    gtk_list_store_set (store, &iter, COL_ENABLED, !enabled, -1);
    gtk_tree_path_free (path);

    if (group) {
        if (enabled) {
            empathy_contact_remove_group (information->contact, group);
        } else {
            empathy_contact_add_group (information->contact, group);    
        }

        g_free (group);
    }
}

static void
contact_widget_entry_group_changed_cb (GtkEditable           *editable,
                       EmpathyContactWidget  *information)
{
    GtkTreeIter  iter;
    const gchar *group;

    group = gtk_entry_get_text (GTK_ENTRY (information->entry_group));

    if (contact_widget_model_find_name (information, group, &iter)) {
        gtk_widget_set_sensitive (GTK_WIDGET (information->button_group), FALSE);

    } else {
        gtk_widget_set_sensitive (GTK_WIDGET (information->button_group),
                      !G_STR_EMPTY (group));
    }
}

static void
contact_widget_entry_group_activate_cb (GtkEntry              *entry,
                    EmpathyContactWidget  *information)
{
    gtk_widget_activate (GTK_WIDGET (information->button_group));
}

static void
contact_widget_button_group_clicked_cb (GtkButton             *button,
                    EmpathyContactWidget  *information)
{
    GtkTreeView  *view;
    GtkListStore *store;
    GtkTreeIter   iter;
    const gchar  *group;

    view = GTK_TREE_VIEW (information->treeview_groups);
    store = GTK_LIST_STORE (gtk_tree_view_get_model (view));

    group = gtk_entry_get_text (GTK_ENTRY (information->entry_group));

    gtk_list_store_append (store, &iter);
    gtk_list_store_set (store, &iter,
                COL_NAME, group,
                COL_ENABLED, TRUE,
                -1);

    empathy_contact_add_group (information->contact, group);
}

static void
contact_widget_details_setup (EmpathyContactWidget *information)
{
    /* FIXME: Needs new telepathy spec */
    gtk_widget_hide (information->vbox_details);
}

static void
contact_widget_details_update (EmpathyContactWidget *information)
{
    /* FIXME: Needs new telepathy spec */
}

static void
contact_widget_client_setup (EmpathyContactWidget *information)
{
    /* FIXME: Needs new telepathy spec */
    gtk_widget_hide (information->vbox_client);
}

static void
contact_widget_client_update (EmpathyContactWidget *information)
{
    /* FIXME: Needs new telepathy spec */
}