ladish/gui/control_proxy.c

122 lines
3.2 KiB
C

/* -*- Mode: C ; c-basic-offset: 2 -*- */
/*
* LADI Session Handler (ladish)
*
* Copyright (C) 2009 Nedko Arnaudov <nedko@arnaudov.name>
*
**************************************************************************
* This file contains implementation of code that interfaces
* the ladishd Control object through D-Bus
**************************************************************************
*
* LADI Session Handler 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.
*
* LADI Session Handler 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 LADI Session Handler. If not, see <http://www.gnu.org/licenses/>
* or write to the Free Software Foundation, Inc.,
* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "control_proxy.h"
#include "../dbus/helpers.h"
#include "../dbus_constants.h"
const char * g_signals[] =
{
"StudioAppeared",
"StudioDisappeared",
NULL
};
static DBusHandlerResult message_hook(DBusConnection * connection, DBusMessage * message, void * data)
{
const char * object_path;
object_path = dbus_message_get_path(message);
if (object_path == NULL || strcmp(object_path, CONTROL_OBJECT_PATH) != 0)
{
return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
}
if (dbus_message_is_signal(message, IFACE_CONTROL, "StudioAppeared"))
{
lash_info("StudioAppeared");
control_proxy_on_studio_appeared();
return DBUS_HANDLER_RESULT_HANDLED;
}
if (dbus_message_is_signal(message, IFACE_CONTROL, "StudioDisappeared"))
{
lash_info("StudioDisappeared");
control_proxy_on_studio_disappeared();
return DBUS_HANDLER_RESULT_HANDLED;
}
return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
}
static bool control_proxy_is_studio_loaded(bool * present_ptr)
{
dbus_bool_t present;
if (!dbus_call_simple(SERVICE_NAME, CONTROL_OBJECT_PATH, IFACE_CONTROL, "IsStudioLoaded", "", "b", &present))
{
return false;
}
*present_ptr = present;
return true;
}
bool control_proxy_init(void)
{
bool studio_present;
if (!dbus_register_object_signal_handler(g_dbus_connection, SERVICE_NAME, CONTROL_OBJECT_PATH, IFACE_CONTROL, g_signals, message_hook, NULL))
{
return false;
}
if (!control_proxy_is_studio_loaded(&studio_present))
{
dbus_unregister_object_signal_handler(g_dbus_connection, SERVICE_NAME, CONTROL_OBJECT_PATH, IFACE_CONTROL, g_signals, message_hook, NULL);
return false;
}
if (studio_present)
{
control_proxy_on_studio_appeared();
}
return true;
}
void control_proxy_uninit(void)
{
dbus_unregister_object_signal_handler(g_dbus_connection, SERVICE_NAME, CONTROL_OBJECT_PATH, IFACE_CONTROL, g_signals, message_hook, NULL);
}
bool control_proxy_get_studio_list(struct list_head * studio_list)
{
return false;
}
bool control_proxy_load_studio(const char * studio_name)
{
return false;
}
bool control_proxy_exit(void)
{
return false;
}