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/*
* Copyright (C) 2007 Richard Hughes <richard@hughsie.com>
*
* Licensed under the GNU Lesser General Public License Version 2
*
* This program 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 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
* 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 Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <gmodule.h>
#include <glib.h>
#include <ohm-plugin.h>
#include <dbus/dbus-glib.h>
#define HAL_DBUS_SERVICE "org.freedesktop.Hal"
#define HAL_DBUS_INTERFACE_POWER "org.freedesktop.Hal.Device.SystemPowerManagement"
#define HAL_ROOT_COMPUTER "/org/freedesktop/Hal/devices/computer"
enum {
CONF_BUTTON_POWER_CHANGED,
CONF_BUTTON_LID_CHANGED,
CONF_TIMEOUTS_POWERDOWN_CHANGED,
CONF_INHIBIT_CHANGED,
CONF_LAST
};
static gboolean
system_suspend (OhmPlugin *plugin)
{
DBusGConnection *connection;
DBusGProxy *proxy;
GError *error;
gboolean ret;
gint retval;
/* Tell the DPMS plugin to kill the backlight. */
ohm_plugin_conf_set_key (plugin, "backlight.state", 0);
connection = dbus_g_bus_get (DBUS_BUS_SYSTEM, NULL);
/* reuse the connection from HAL */
proxy = dbus_g_proxy_new_for_name (connection,
HAL_DBUS_SERVICE,
HAL_ROOT_COMPUTER,
HAL_DBUS_INTERFACE_POWER);
/* get the brightness from HAL */
error = NULL;
ret = dbus_g_proxy_call (proxy, "Suspend", &error,
G_TYPE_INT, 0,
G_TYPE_INVALID,
G_TYPE_UINT, &retval,
G_TYPE_INVALID);
if (error != NULL) {
g_printerr ("Error: %s\n", error->message);
g_error_free (error);
}
g_object_unref (proxy);
/* We've resumed now. Bring the backlight back. */
ohm_plugin_conf_set_key (plugin, "backlight.state", 1);
return ret;
}
static void
power_button_pressed (OhmPlugin *plugin)
{
gint value;
/* check system inhibit - this is broken as any client can unref all */
ohm_plugin_conf_get_key (plugin, "suspend.fixme_inhibit", &value);
if (value == 1) {
g_warning ("not doing lid closed action as inhibited");
return;
}
/* actually do the suspend */
system_suspend (plugin);
}
static void
lid_closed (OhmPlugin *plugin, gboolean is_closed)
{
gint value;
if (is_closed == FALSE) {
return;
}
/* check system inhibit - this is broken as any client can unref all */
ohm_plugin_conf_get_key (plugin, "suspend.fixme_inhibit", &value);
if (value == 1) {
g_warning ("not doing lid closed action as inhibited");
return;
}
/* actually do the suspend */
system_suspend (plugin);
}
static void
system_is_idle (OhmPlugin *plugin)
{
gint value;
/* check system inhibit - this is broken as any client can unref all */
ohm_plugin_conf_get_key (plugin, "suspend.fixme_inhibit", &value);
if (value == 1) {
g_warning ("not doing idle action as inhibited");
return;
}
/* actually do the suspend */
system_suspend (plugin);
}
/**
* plugin_notify:
* @plugin: This class instance
*
* Notify the plugin that a key marked with ohm_plugin_conf_interested ()
* has it's value changed.
* An enumerated numeric id rather than the key is returned for processing speed.
*/
static void
plugin_notify (OhmPlugin *plugin, gint id, gint value)
{
if (id == CONF_BUTTON_LID_CHANGED) {
if (value == 1) {
lid_closed (plugin, TRUE);
} else {
lid_closed (plugin, FALSE);
}
} else if (id == CONF_BUTTON_POWER_CHANGED) {
/* only match on button press, not release */
if (value == 1) {
power_button_pressed (plugin);
}
} else if (id == CONF_TIMEOUTS_POWERDOWN_CHANGED) {
/* only match on idle, not reset */
if (value == 1) {
system_is_idle (plugin);
}
}
}
OHM_PLUGIN_DESCRIPTION (
"suspend", /* description */
"0.0.1", /* version */
"richard@hughsie.com", /* author */
OHM_LICENSE_LGPL, /* license */
NULL, /* initialize */
NULL, /* destroy */
plugin_notify /* notify */
);
OHM_PLUGIN_SUGGESTS (
"timeouts",
"buttons"
);
OHM_PLUGIN_INTERESTED (
{"button.power", CONF_BUTTON_POWER_CHANGED},
{"button.lid", CONF_BUTTON_LID_CHANGED},
{"timeouts.powerdown", CONF_TIMEOUTS_POWERDOWN_CHANGED},
{"suspend.fixme_inhibit", CONF_INHIBIT_CHANGED}
);
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