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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>
enum {
CONF_AC_STATE_CHANGED,
CONF_BACKLIGHT_STATE_CHANGED,
CONF_LID_STATE_CHANGED,
CONF_TABLET_STATE_CHANGED,
CONF_BRIGHTNESS_AC_CHANGED,
CONF_BRIGHTNESS_BATTERY_CHANGED,
CONF_BRIGHTNESS_IDLE_CHANGED,
CONF_TIMEOUTS_POWERSAVE_CHANGED,
CONF_TIMEOUTS_MOMENTARY_CHANGED,
CONF_LAST
};
static void
reset_brightness (OhmPlugin *plugin)
{
gint onac;
gint value;
/* FIXME: turn on dcon -- why was this here? */
/* ohm_plugin_conf_set_key (plugin, "backlight.state", 1); */
ohm_plugin_conf_get_key (plugin, "acadapter.state", &onac);
if (onac == TRUE) {
ohm_plugin_conf_get_key (plugin, "display.value_ac", &value);
} else {
ohm_plugin_conf_get_key (plugin, "display.value_battery", &value);
}
/* dim screen to idle brightness */
ohm_plugin_conf_set_key (plugin, "backlight.percent_brightness", value);
}
/* todo, we need to inhibit the screen from dimming */
static void
brightness_momentary (OhmPlugin *plugin, gboolean is_idle)
{
gint lidshut;
gint value;
gint state;
ohm_plugin_conf_get_key (plugin, "backlight.state", &state);
if (state == 0) {
/* work round a idletime bugs */
return;
}
/* if lid shut */
ohm_plugin_conf_get_key (plugin, "button.lid", &lidshut);
if (lidshut == 1) {
/* we've already turned off the screen */
return;
}
/* if not idle any more */
if (is_idle == FALSE) {
reset_brightness (plugin);
return;
}
/* dim screen to idle brightness */
ohm_plugin_conf_get_key (plugin, "display.value_idle", &value);
ohm_plugin_conf_set_key (plugin, "backlight.percent_brightness", value);
}
/* todo, we need to inhibit the screen from turning off */
static void
backlight_powersave (OhmPlugin *plugin, gboolean is_idle)
{
gint lidshut;
gint state;
ohm_plugin_conf_get_key (plugin, "backlight.state", &state);
if (is_idle && state == 0) {
/* work round a idletime bugs */
return;
}
/* if lid shut */
ohm_plugin_conf_get_key (plugin, "button.lid", &lidshut);
if (lidshut == 1) {
/* we've already turned off the screen */
return;
}
/* if not idle any more */
if (is_idle == FALSE) {
ohm_plugin_conf_set_key (plugin, "backlight.state", 1);
reset_brightness (plugin);
return;
}
/* turn off screen */
ohm_plugin_conf_set_key (plugin, "backlight.state", 0);
}
static void
lid_closed (OhmPlugin *plugin, gboolean is_closed)
{
/* just turn on DCON */
if (is_closed == FALSE) {
ohm_plugin_conf_set_key (plugin, "backlight.state", 1);
return;
}
/* just turn off dcon unconditionally */
ohm_plugin_conf_set_key (plugin, "backlight.state", 0);
}
/**
* 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)
{
switch (id) {
case CONF_BRIGHTNESS_AC_CHANGED:
case CONF_BRIGHTNESS_BATTERY_CHANGED:
case CONF_BRIGHTNESS_IDLE_CHANGED:
reset_brightness (plugin);
break;
case CONF_TIMEOUTS_POWERSAVE_CHANGED:
backlight_powersave (plugin, (value == 1));
break;
case CONF_LID_STATE_CHANGED:
lid_closed (plugin, (value == 1));
break;
case CONF_TABLET_STATE_CHANGED:
if (value == 0) {
ohm_plugin_conf_set_key (plugin, "xrandr.position", 0);
} else {
ohm_plugin_conf_set_key (plugin, "xrandr.position", 1);
}
break;
case CONF_AC_STATE_CHANGED:
case CONF_BACKLIGHT_STATE_CHANGED:
reset_brightness (plugin);
break;
case CONF_TIMEOUTS_MOMENTARY_CHANGED:
brightness_momentary (plugin, (value == 1));
break;
}
}
OHM_PLUGIN_DESCRIPTION (
"Display", /* description */
"0.0.1", /* version */
"richard@hughsie.com", /* author */
OHM_LICENSE_LGPL, /* license */
NULL, /* initialize */
NULL, /* destroy */
plugin_notify /* notify */
);
OHM_PLUGIN_SUGGESTS (
"timeouts",
"acadapter",
"buttons",
"xrandr",
"backlight"
);
OHM_PLUGIN_INTERESTED (
{"acadapter.state", CONF_AC_STATE_CHANGED},
{"backlight.state", CONF_BACKLIGHT_STATE_CHANGED},
{"button.lid", CONF_LID_STATE_CHANGED},
{"button.tablet", CONF_TABLET_STATE_CHANGED},
{"timeouts.powersave", CONF_TIMEOUTS_POWERSAVE_CHANGED},
{"timeouts.momentary", CONF_TIMEOUTS_MOMENTARY_CHANGED},
{"display.value_ac", CONF_BRIGHTNESS_AC_CHANGED},
{"display.value_battery", CONF_BRIGHTNESS_BATTERY_CHANGED},
{"display.value_idle", CONF_BRIGHTNESS_IDLE_CHANGED}
);
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