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daemon: Add WarningLevel device property

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This commit is contained in:
Bastien Nocera 2013-10-11 14:29:04 +02:00
parent 68aca3a7e7
commit de749a332b
4 changed files with 109 additions and 0 deletions
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26
src/org.freedesktop.UPower.Device.xml
View file

@ -684,6 +684,32 @@ method return sender=:1.386 -> dest=:1.477 reply_serial=2
</doc:doc>
</property>
<property name="WarningLevel" type="u" access="read">
<doc:doc>
<doc:description>
<doc:para>
Warning level of the battery:
</doc:para>
<doc:list>
<doc:item>
<doc:term>0</doc:term><doc:definition>Unknown</doc:definition>
</doc:item>
<doc:item>
<doc:term>1</doc:term><doc:definition>None</doc:definition>
</doc:item>
<doc:item>
<doc:term>2</doc:term><doc:definition>Low</doc:definition>
</doc:item>
<doc:item>
<doc:term>3</doc:term><doc:definition>Critical</doc:definition>
</doc:item>
<doc:item>
<doc:term>4</doc:term><doc:definition>Action</doc:definition>
</doc:item>
</doc:list>
</doc:description>
</doc:doc>
</property>
</interface>
</node>

31
src/up-daemon.c
View file

@ -437,6 +437,37 @@ up_daemon_set_on_low_battery (UpDaemon *daemon, gboolean on_low_battery)
g_object_notify (G_OBJECT (daemon), "on-low-battery");
}
UpDeviceLevel
up_daemon_compute_warning_level(UpDaemon *daemon,
gboolean power_supply,
gdouble percentage,
gint64 time_to_empty)
{
gboolean use_percentage = TRUE;
if (!power_supply || !daemon->priv->use_percentage_for_policy)
use_percentage = FALSE;
if (use_percentage) {
if (percentage > daemon->priv->low_percentage)
return UP_DEVICE_LEVEL_NONE;
if (percentage > daemon->priv->critical_percentage)
return UP_DEVICE_LEVEL_LOW;
if (percentage > daemon->priv->action_percentage)
return UP_DEVICE_LEVEL_CRITICAL;
return UP_DEVICE_LEVEL_ACTION;
} else {
if (time_to_empty > daemon->priv->low_time)
return UP_DEVICE_LEVEL_NONE;
if (time_to_empty > daemon->priv->critical_time)
return UP_DEVICE_LEVEL_LOW;
if (time_to_empty > daemon->priv->action_time)
return UP_DEVICE_LEVEL_CRITICAL;
return UP_DEVICE_LEVEL_ACTION;
}
g_assert_not_reached ();
}
/**
* up_daemon_refresh_battery_devices_cb:
**/

5
src/up-daemon.h
View file

@ -83,6 +83,11 @@ void up_daemon_set_on_battery (UpDaemon *daemon,
gboolean on_battery);
void up_daemon_set_on_low_battery (UpDaemon *daemon,
gboolean on_low_battery);
UpDeviceLevel up_daemon_compute_warning_level(UpDaemon *daemon,
gboolean power_supply,
gdouble percentage,
gint64 time_to_empty);
/* exported */
gboolean up_daemon_enumerate_devices (UpDaemon *daemon,

47
src/up-device.c
View file

@ -78,6 +78,7 @@ struct UpDevicePrivate
gint64 time_to_full; /* seconds */
gdouble percentage; /* percent */
gdouble temperature; /* degrees C */
UpDeviceLevel warning_level;
};
static gboolean up_device_register_device (UpDevice *device);
@ -110,6 +111,7 @@ enum {
PROP_PERCENTAGE,
PROP_TEMPERATURE,
PROP_TECHNOLOGY,
PROP_WARNING_LEVEL,
PROP_LAST
};
@ -165,6 +167,32 @@ up_device_error_get_type (void)
return etype;
}
/* This needs to be called when one of those properties changes:
* state
* power_supply
* percentage
* time_to_empty
*/
static void
update_warning_level (UpDevice *device)
{
UpDeviceLevel warning_level;
if (device->priv->state != UP_DEVICE_STATE_DISCHARGING)
warning_level = UP_DEVICE_LEVEL_NONE;
else
warning_level = up_daemon_compute_warning_level (device->priv->daemon,
device->priv->power_supply,
device->priv->percentage,
device->priv->time_to_empty);
if (warning_level == device->priv->warning_level)
return;
device->priv->warning_level = warning_level;
g_object_notify (G_OBJECT (device), "warning-level");
}
/**
* up_device_get_property:
**/
@ -251,6 +279,9 @@ up_device_get_property (GObject *object, guint prop_id, GValue *value, GParamSpe
case PROP_TECHNOLOGY:
g_value_set_uint (value, device->priv->technology);
break;
case PROP_WARNING_LEVEL:
g_value_set_uint (value, device->priv->warning_level);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
@ -290,6 +321,7 @@ up_device_set_property (GObject *object, guint prop_id, const GValue *value, GPa
break;
case PROP_POWER_SUPPLY:
device->priv->power_supply = g_value_get_boolean (value);
update_warning_level (device);
break;
case PROP_ONLINE:
device->priv->online = g_value_get_boolean (value);
@ -308,6 +340,7 @@ up_device_set_property (GObject *object, guint prop_id, const GValue *value, GPa
break;
case PROP_STATE:
device->priv->state = g_value_get_uint (value);
update_warning_level (device);
break;
case PROP_CAPACITY:
device->priv->capacity = g_value_get_double (value);
@ -335,12 +368,14 @@ up_device_set_property (GObject *object, guint prop_id, const GValue *value, GPa
break;
case PROP_TIME_TO_EMPTY:
device->priv->time_to_empty = g_value_get_int64 (value);
update_warning_level (device);
break;
case PROP_TIME_TO_FULL:
device->priv->time_to_full = g_value_get_int64 (value);
break;
case PROP_PERCENTAGE:
device->priv->percentage = g_value_get_double (value);
update_warning_level (device);
break;
case PROP_TEMPERATURE:
device->priv->temperature = g_value_get_double (value);
@ -1151,6 +1186,18 @@ up_device_class_init (UpDeviceClass *klass)
0.0, G_MAXDOUBLE, 0.0,
G_PARAM_READWRITE));
/**
* UpDevice:warning-level:
*/
g_object_class_install_property (object_class,
PROP_WARNING_LEVEL,
g_param_spec_uint ("warning-level",
NULL, NULL,
UP_DEVICE_LEVEL_UNKNOWN,
UP_DEVICE_LEVEL_LAST,
UP_DEVICE_LEVEL_UNKNOWN,
G_PARAM_READABLE));
dbus_g_error_domain_register (UP_DEVICE_ERROR, NULL, UP_DEVICE_TYPE_ERROR);
}