mirror of
https://github.com/awesomeWM/awesome
synced 2024-11-17 07:47:41 +01:00
149 lines
3.2 KiB
C
149 lines
3.2 KiB
C
/*
|
|
* dbus.c - awesome dbus support
|
|
*
|
|
* Copyright © 2008 Julien Danjou <julien@danjou.info>
|
|
*
|
|
* 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.,
|
|
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
*
|
|
*/
|
|
|
|
#include <dbus/dbus.h>
|
|
|
|
#include "dbus.h"
|
|
#include "common/util.h"
|
|
|
|
static DBusError err;
|
|
static DBusConnection *conn = NULL;
|
|
|
|
static void
|
|
a_dbus_process_widget_tell(DBusMessage *req)
|
|
{
|
|
int ret;
|
|
char *arg, *path;
|
|
DBusMessageIter iter;
|
|
|
|
if(!dbus_message_iter_init(req, &iter))
|
|
{
|
|
warn("message has no argument: %s\n", err.message);
|
|
dbus_error_free(&err);
|
|
return;
|
|
}
|
|
else if(DBUS_TYPE_STRING != dbus_message_iter_get_arg_type(&iter))
|
|
{
|
|
warn("argument must be a string");
|
|
dbus_error_free(&err);
|
|
return;
|
|
}
|
|
else
|
|
dbus_message_iter_get_basic(&iter, &arg);
|
|
|
|
p_delete(&path);
|
|
}
|
|
|
|
void
|
|
a_dbus_process_requests(void)
|
|
{
|
|
DBusMessage *msg;
|
|
int nmsg = 0;
|
|
|
|
if(!conn && !a_dbus_init())
|
|
return;
|
|
|
|
while(true)
|
|
{
|
|
dbus_connection_read_write(conn, 0);
|
|
|
|
if(!(msg = dbus_connection_pop_message(conn)))
|
|
break;
|
|
|
|
|
|
if(dbus_message_is_method_call(msg, "org.awesome.statusbar.widget", "tell"))
|
|
a_dbus_process_widget_tell(msg);
|
|
else if(dbus_message_is_signal(msg, DBUS_INTERFACE_LOCAL, "Disconnected"))
|
|
{
|
|
a_dbus_cleanup();
|
|
dbus_message_unref(msg);
|
|
return;
|
|
}
|
|
|
|
dbus_message_unref(msg);
|
|
|
|
nmsg++;
|
|
}
|
|
|
|
if(nmsg)
|
|
dbus_connection_flush(conn);
|
|
}
|
|
|
|
bool
|
|
a_dbus_init(void)
|
|
{
|
|
bool ret;
|
|
|
|
dbus_error_init(&err);
|
|
|
|
conn = dbus_bus_get(DBUS_BUS_SESSION, &err);
|
|
if(dbus_error_is_set(&err))
|
|
{
|
|
warn("DBus system bus connection failed: %s\n", err.message);
|
|
|
|
conn = NULL;
|
|
|
|
dbus_error_free(&err);
|
|
|
|
return false;
|
|
}
|
|
|
|
dbus_connection_set_exit_on_disconnect(conn, FALSE);
|
|
|
|
ret = dbus_bus_request_name(conn, "org.awesome", 0, &err);
|
|
|
|
if(dbus_error_is_set(&err))
|
|
{
|
|
warn("failed to request DBus name: %s\n", err.message);
|
|
|
|
a_dbus_cleanup();
|
|
|
|
return false;
|
|
}
|
|
|
|
if(ret != DBUS_REQUEST_NAME_REPLY_PRIMARY_OWNER)
|
|
{
|
|
warn("not primary DBus name owner\n");
|
|
|
|
a_dbus_cleanup();
|
|
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
void
|
|
a_dbus_cleanup(void)
|
|
{
|
|
if(!conn)
|
|
return;
|
|
|
|
dbus_error_free(&err);
|
|
|
|
/* This is a shared connection owned by libdbus
|
|
* Do not close it, only unref
|
|
*/
|
|
dbus_connection_unref(conn);
|
|
conn = NULL;
|
|
}
|
|
|
|
// vim: filetype=c:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=80
|