path: root/libempathy/empathy-chandler.c

/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/*
 * Copyright (C) 2007-2008 Collabora Ltd.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 * 
 * Authors: Xavier Claessens <xclaesse@gmail.com>
 */

#include <config.h>

#include <telepathy-glib/dbus.h>
#include <telepathy-glib/connection.h>
#include <telepathy-glib/channel.h>

#include <extensions/extensions.h>
#include "empathy-chandler.h"
#include "empathy-debug.h"

#define DEBUG_DOMAIN "EmpathyChandler"

static void chandler_iface_init (EmpSvcChandlerClass *klass);

enum {
    NEW_CHANNEL,
    LAST_SIGNAL
};

static guint signals[LAST_SIGNAL];

G_DEFINE_TYPE_WITH_CODE (EmpathyChandler, empathy_chandler, G_TYPE_OBJECT,
             G_IMPLEMENT_INTERFACE (EMP_TYPE_SVC_CHANDLER,
                        chandler_iface_init));

typedef struct {
    EmpathyChandler *chandler;
    gchar           *bus_name;
    gchar           *connection;
    gchar           *channel_type;
    gchar           *channel;
    guint            handle_type;
    guint            handle;
} IdleData;

static gboolean
handle_channel_idle_cb (gpointer data)
{
    IdleData            *idle_data = data;
    TpChannel           *chan;
    TpConnection        *conn;
    static TpDBusDaemon *daemon = NULL;

    if (!daemon) {
        daemon = tp_dbus_daemon_new (tp_get_bus ());
    }

    conn = tp_connection_new (daemon, idle_data->bus_name,
                  idle_data->connection, NULL);
    chan = tp_channel_new (conn, idle_data->channel, idle_data->channel_type,
                   idle_data->handle_type, idle_data->handle, NULL);
    tp_channel_run_until_ready (chan, NULL, NULL);

    empathy_debug (DEBUG_DOMAIN, "New channel to be handled: "
                     "type=%s handle=%d",
                     idle_data->channel_type, idle_data->handle);
    g_signal_emit (idle_data->chandler, signals[NEW_CHANNEL], 0, chan);

    g_object_unref (chan);
    g_object_unref (conn);
    g_free (idle_data->bus_name);
    g_free (idle_data->connection);
    g_free (idle_data->channel_type);
    g_free (idle_data->channel);
    g_slice_free (IdleData, idle_data);

    return FALSE;
}

static void
my_handle_channel (EmpSvcChandler        *self,
           const gchar           *bus_name,
           const gchar           *connection,
           const gchar           *channel_type,
           const gchar           *channel,
           guint                  handle_type,
           guint                  handle,
           DBusGMethodInvocation *context)
{
    EmpathyChandler *chandler = EMPATHY_CHANDLER (self);
    IdleData        *data;

    data = g_slice_new (IdleData);
    data->chandler = chandler;
    data->bus_name = g_strdup (bus_name);
    data->connection = g_strdup (connection);
    data->channel_type = g_strdup (channel_type);
    data->channel = g_strdup (channel);
    data->handle_type = handle_type;
    data->handle = handle;
    g_idle_add_full (G_PRIORITY_HIGH,
             handle_channel_idle_cb,
             data, NULL);

    emp_svc_chandler_return_from_handle_channel (context);
}

static void
empathy_chandler_class_init (EmpathyChandlerClass *klass)
{
    signals[NEW_CHANNEL] =
        g_signal_new ("new-channel",
                  G_OBJECT_CLASS_TYPE (klass),
                  G_SIGNAL_RUN_LAST,
                  0,
                  NULL, NULL,
                  g_cclosure_marshal_VOID__OBJECT,
                  G_TYPE_NONE,
                  1, TP_TYPE_CHANNEL);
}

static void
chandler_iface_init (EmpSvcChandlerClass *klass)
{
#define IMPLEMENT(x) emp_svc_chandler_implement_##x \
    (klass, my_##x)
  IMPLEMENT (handle_channel);
#undef IMPLEMENT
}

static void
empathy_chandler_init (EmpathyChandler *chandler)
{
}

EmpathyChandler *
empathy_chandler_new (const gchar *bus_name,
              const gchar *object_path)
{
    EmpathyChandler *chandler;
    DBusGProxy      *proxy;
    guint            result;
    GError          *error = NULL;

    proxy = dbus_g_proxy_new_for_name (tp_get_bus (),
                       DBUS_SERVICE_DBUS,
                       DBUS_PATH_DBUS,
                       DBUS_INTERFACE_DBUS);

    if (!dbus_g_proxy_call (proxy, "RequestName", &error,
                G_TYPE_STRING, bus_name,
                G_TYPE_UINT, DBUS_NAME_FLAG_DO_NOT_QUEUE,
                G_TYPE_INVALID,
                G_TYPE_UINT, &result,
                G_TYPE_INVALID)) {
        empathy_debug (DEBUG_DOMAIN,
                  "Failed to request name: %s",
                  error ? error->message : "No error given");
        g_clear_error (&error);

        return NULL;
    }
    g_object_unref (proxy);

    chandler = g_object_new (EMPATHY_TYPE_CHANDLER, NULL);
    dbus_g_connection_register_g_object (tp_get_bus (),
                         object_path,
                         G_OBJECT (chandler));

    return chandler;
}