path: root/libempathy-gtk/empathy-private-chat.c

/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/*
 * Copyright (C) 2002-2007 Imendio AB
 * Copyright (C) 2007-2008 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>
 *          Geert-Jan Van den Bogaerde <geertjan@gnome.org>
 *          Xavier Claessens <xclaesse@gmail.com>
 */

#include "config.h"

#include <string.h>

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

#include <libmissioncontrol/mission-control.h>

#include <libempathy/empathy-debug.h>
#include <libempathy/empathy-tp-chat.h>
#include <libempathy/empathy-tp-contact-list.h>
#include <libempathy/empathy-contact-factory.h>
#include <libempathy/empathy-utils.h>

#include "empathy-private-chat.h"
#include "empathy-chat-view.h"
#include "empathy-chat.h"
#include "empathy-preferences.h"
//#include "empathy-sound.h"
#include "empathy-images.h"
#include "empathy-ui-utils.h"

#define DEBUG_DOMAIN "PrivateChat"

#define GET_PRIV(obj) (G_TYPE_INSTANCE_GET_PRIVATE ((obj), EMPATHY_TYPE_PRIVATE_CHAT, EmpathyPrivateChatPriv))

struct _EmpathyPrivateChatPriv {   
    EmpathyContactFactory *factory;
    EmpathyContact        *contact;
    gchar                 *name;
    gboolean               is_online;
    GtkWidget             *widget;
    GtkWidget             *text_view_sw;
};

static void           empathy_private_chat_class_init            (EmpathyPrivateChatClass *klass);
static void           empathy_private_chat_init                  (EmpathyPrivateChat      *chat);
static void           private_chat_finalize                     (GObject                *object);
static void           private_chat_create_ui                    (EmpathyPrivateChat      *chat);
static void           private_chat_contact_presence_updated_cb  (EmpathyContact          *contact,
                                 GParamSpec             *param,
                                 EmpathyPrivateChat      *chat);
static void           private_chat_contact_updated_cb           (EmpathyContact          *contact,
                                 GParamSpec             *param,
                                 EmpathyPrivateChat      *chat);
static void           private_chat_widget_destroy_cb            (GtkWidget              *widget,
                                 EmpathyPrivateChat      *chat);
static const gchar *  private_chat_get_name                     (EmpathyChat             *chat);
static gchar *        private_chat_get_tooltip                  (EmpathyChat             *chat);
static const gchar *  private_chat_get_status_icon_name         (EmpathyChat             *chat);
static GtkWidget *    private_chat_get_widget                   (EmpathyChat             *chat);

G_DEFINE_TYPE (EmpathyPrivateChat, empathy_private_chat, EMPATHY_TYPE_CHAT);


static GObject *
private_chat_constructor (GType                  type,
              guint                  n_props,
              GObjectConstructParam *props)
{
    GObject                *chat;
    EmpathyPrivateChatPriv *priv;
    EmpathyTpChat          *tp_chat;
    TpChan                 *tp_chan;
    McAccount              *account;

    chat = G_OBJECT_CLASS (empathy_private_chat_parent_class)->constructor (type, n_props, props);

    priv = GET_PRIV (chat);

    g_object_get (chat, "tp-chat", &tp_chat, NULL);
    tp_chan = empathy_tp_chat_get_channel (tp_chat);
    account = empathy_tp_chat_get_account (tp_chat);

    priv->factory = empathy_contact_factory_new ();
    priv->contact = empathy_contact_factory_get_from_handle (priv->factory,
                                 account,
                                 tp_chan->handle);

    priv->name = g_strdup (empathy_contact_get_name (priv->contact));

    g_signal_connect (priv->contact, 
              "notify::name",
              G_CALLBACK (private_chat_contact_updated_cb),
              chat);
    g_signal_connect (priv->contact, 
              "notify::presence",
              G_CALLBACK (private_chat_contact_presence_updated_cb),
              chat);

    priv->is_online = empathy_contact_is_online (priv->contact);

    g_object_unref (tp_chat);

    return chat;
}

static void
empathy_private_chat_class_init (EmpathyPrivateChatClass *klass)
{
    GObjectClass    *object_class = G_OBJECT_CLASS (klass);
    EmpathyChatClass *chat_class = EMPATHY_CHAT_CLASS (klass);

    object_class->finalize = private_chat_finalize;
    object_class->constructor = private_chat_constructor;

    chat_class->get_name             = private_chat_get_name;
    chat_class->get_tooltip          = private_chat_get_tooltip;
    chat_class->get_status_icon_name = private_chat_get_status_icon_name;
    chat_class->get_widget           = private_chat_get_widget;
    chat_class->set_tp_chat          = NULL;

    g_type_class_add_private (object_class, sizeof (EmpathyPrivateChatPriv));
}

static void
empathy_private_chat_init (EmpathyPrivateChat *chat)
{
    private_chat_create_ui (chat);
}

static void
private_chat_finalize (GObject *object)
{
    EmpathyPrivateChat     *chat;
    EmpathyPrivateChatPriv *priv;
    
    chat = EMPATHY_PRIVATE_CHAT (object);
    priv = GET_PRIV (chat);

    g_signal_handlers_disconnect_by_func (priv->contact,
                          private_chat_contact_updated_cb,
                          chat);
    g_signal_handlers_disconnect_by_func (priv->contact,
                          private_chat_contact_presence_updated_cb,
                          chat);

    if (priv->contact) {
        g_object_unref (priv->contact);
    }
    if (priv->factory) {
        g_object_unref (priv->factory);
    }
    g_free (priv->name);

    G_OBJECT_CLASS (empathy_private_chat_parent_class)->finalize (object);
}

static void
private_chat_create_ui (EmpathyPrivateChat *chat)
{
    GladeXML              *glade;
    EmpathyPrivateChatPriv *priv;
    GtkWidget             *input_text_view_sw;

    priv = GET_PRIV (chat);

    glade = empathy_glade_get_file ("empathy-chat.glade",
                       "chat_widget",
                       NULL,
                      "chat_widget", &priv->widget,
                      "chat_view_sw", &priv->text_view_sw,
                      "input_text_view_sw", &input_text_view_sw,
                       NULL);

    empathy_glade_connect (glade,
                  chat,
                  "chat_widget", "destroy", private_chat_widget_destroy_cb,
                  NULL);

    g_object_unref (glade);

    g_object_set_data (G_OBJECT (priv->widget), "chat", g_object_ref (chat));

    gtk_container_add (GTK_CONTAINER (priv->text_view_sw),
               GTK_WIDGET (EMPATHY_CHAT (chat)->view));
    gtk_widget_show (GTK_WIDGET (EMPATHY_CHAT (chat)->view));

    gtk_container_add (GTK_CONTAINER (input_text_view_sw),
               EMPATHY_CHAT (chat)->input_text_view);
    gtk_widget_show (EMPATHY_CHAT (chat)->input_text_view);
}

static void
private_chat_contact_presence_updated_cb (EmpathyContact     *contact,
                      GParamSpec         *param,
                      EmpathyPrivateChat *chat)
{
    EmpathyPrivateChatPriv *priv;

    priv = GET_PRIV (chat);

    empathy_debug (DEBUG_DOMAIN, "Presence update for contact: %s",
              empathy_contact_get_id (contact));

    if (!empathy_contact_is_online (contact)) {
        if (priv->is_online && !EMPATHY_CHAT (chat)->block_events) {
            gchar *msg;

            msg = g_strdup_printf (_("%s went offline"),
                           empathy_contact_get_name (priv->contact));
            empathy_chat_view_append_event (EMPATHY_CHAT (chat)->view, msg);
            g_free (msg);
        }

        priv->is_online = FALSE;

        g_signal_emit_by_name (chat, "composing", FALSE);

    } else {
        if (!priv->is_online && !EMPATHY_CHAT (chat)->block_events) {
            gchar *msg;

            msg = g_strdup_printf (_("%s has come online"),
                           empathy_contact_get_name (priv->contact));
            empathy_chat_view_append_event (EMPATHY_CHAT (chat)->view, msg);
            g_free (msg);
        }

        priv->is_online = TRUE;

        /* If offline message is not supported by CM we need to
         * request a new Text Channel. */
        if (!empathy_chat_is_connected (EMPATHY_CHAT (chat))) {
            empathy_chat_with_contact (contact);
        }
    }

    g_signal_emit_by_name (chat, "status-changed");
}

static void
private_chat_contact_updated_cb (EmpathyContact     *contact,
                 GParamSpec        *param,
                 EmpathyPrivateChat *chat)
{
    EmpathyPrivateChatPriv *priv;

    priv = GET_PRIV (chat);

    if (strcmp (priv->name, empathy_contact_get_name (contact)) != 0) {
        g_free (priv->name);
        priv->name = g_strdup (empathy_contact_get_name (contact));
        g_signal_emit_by_name (chat, "name-changed", priv->name);
    }
}

static void
private_chat_widget_destroy_cb (GtkWidget         *widget,
                EmpathyPrivateChat *chat)
{
    empathy_debug (DEBUG_DOMAIN, "Destroyed");

    g_object_unref (chat);
}

static const gchar *
private_chat_get_name (EmpathyChat *chat)
{
    EmpathyPrivateChatPriv *priv;

    g_return_val_if_fail (EMPATHY_IS_PRIVATE_CHAT (chat), NULL);

    priv = GET_PRIV (chat);

    return priv->name;
}

static gchar *
private_chat_get_tooltip (EmpathyChat *chat)
{
    EmpathyPrivateChatPriv *priv;
    const gchar           *status;

    g_return_val_if_fail (EMPATHY_IS_PRIVATE_CHAT (chat), NULL);

    priv = GET_PRIV (chat);

    status = empathy_contact_get_status (priv->contact);

    return g_strdup_printf ("%s\n%s",
                empathy_contact_get_id (priv->contact),
                status);
}

static const gchar *
private_chat_get_status_icon_name (EmpathyChat *chat)
{
    EmpathyPrivateChatPriv *priv;

    g_return_val_if_fail (EMPATHY_IS_PRIVATE_CHAT (chat), NULL);

    priv = GET_PRIV (chat);

    return empathy_icon_name_for_contact (priv->contact);
}

EmpathyContact *
empathy_private_chat_get_contact (EmpathyPrivateChat *chat)
{
    EmpathyPrivateChatPriv *priv;

    g_return_val_if_fail (EMPATHY_IS_PRIVATE_CHAT (chat), NULL);

    priv = GET_PRIV (chat);

    return priv->contact;
}

static GtkWidget *
private_chat_get_widget (EmpathyChat *chat)
{
    EmpathyPrivateChatPriv *priv;

    priv = GET_PRIV (chat);

    return priv->widget;
}

EmpathyPrivateChat *
empathy_private_chat_new (EmpathyTpChat *tp_chat)
{
    EmpathyPrivateChat *chat;

    g_return_val_if_fail (EMPATHY_IS_TP_CHAT (tp_chat), NULL);

    chat = g_object_new (EMPATHY_TYPE_PRIVATE_CHAT,
                 "tp-chat", tp_chat,
                 NULL);

    return chat;
}