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/*
* Copyright 2016 Richard Hughes <richard@hughsie.com>
*
* SPDX-License-Identifier: LGPL-2.1-or-later
*/
#include "config.h"
#include "fu-upower-plugin.h"
struct _FuUpowerPlugin {
FuPlugin parent_instance;
GDBusProxy *proxy; /* nullable */
GDBusProxy *proxy_manager; /* nullable */
};
G_DEFINE_TYPE(FuUpowerPlugin, fu_upower_plugin, FU_TYPE_PLUGIN)
static void
fu_upower_plugin_rescan_devices(FuPlugin *plugin)
{
FuUpowerPlugin *self = FU_UPOWER_PLUGIN(plugin);
FuContext *ctx = fu_plugin_get_context(plugin);
g_autoptr(GVariant) percentage_val = NULL;
g_autoptr(GVariant) type_val = NULL;
g_autoptr(GVariant) state_val = NULL;
/* check that we "have" a battery */
type_val = g_dbus_proxy_get_cached_property(self->proxy, "Type");
if (type_val == NULL || g_variant_get_uint32(type_val) == 0) {
fu_context_set_battery_level(ctx, FWUPD_BATTERY_LEVEL_INVALID);
return;
}
/* get percentage */
percentage_val = g_dbus_proxy_get_cached_property(self->proxy, "Percentage");
if (percentage_val == NULL) {
g_warning("failed to query power percentage level");
fu_context_set_battery_level(ctx, FWUPD_BATTERY_LEVEL_INVALID);
return;
}
fu_context_set_battery_level(ctx, g_variant_get_double(percentage_val));
/* get state */
state_val = g_dbus_proxy_get_cached_property(self->proxy, "State");
if (state_val == NULL || g_variant_get_uint32(state_val) == 0) {
g_warning("failed to query power state");
fu_context_set_battery_level(ctx, FWUPD_BATTERY_LEVEL_INVALID);
}
}
static void
fu_upower_plugin_update_lid(FuPlugin *plugin)
{
FuUpowerPlugin *self = FU_UPOWER_PLUGIN(plugin);
FuContext *ctx = fu_plugin_get_context(plugin);
g_autoptr(GVariant) lid_is_closed = NULL;
g_autoptr(GVariant) lid_is_present = NULL;
/* check that we "have" a lid */
lid_is_present = g_dbus_proxy_get_cached_property(self->proxy_manager, "LidIsPresent");
lid_is_closed = g_dbus_proxy_get_cached_property(self->proxy_manager, "LidIsClosed");
if (lid_is_present == NULL || lid_is_closed == NULL) {
g_warning("failed to query lid state");
fu_context_set_lid_state(ctx, FU_LID_STATE_UNKNOWN);
return;
}
if (!g_variant_get_boolean(lid_is_present)) {
fu_context_set_lid_state(ctx, FU_LID_STATE_UNKNOWN);
return;
}
if (g_variant_get_boolean(lid_is_closed)) {
fu_context_set_lid_state(ctx, FU_LID_STATE_CLOSED);
return;
}
fu_context_set_lid_state(ctx, FU_LID_STATE_OPEN);
}
static void
fu_upower_plugin_update_battery(FuPlugin *plugin)
{
FuUpowerPlugin *self = FU_UPOWER_PLUGIN(plugin);
FuContext *ctx = fu_plugin_get_context(plugin);
g_autoptr(GVariant) on_battery = NULL;
on_battery = g_dbus_proxy_get_cached_property(self->proxy_manager, "OnBattery");
if (on_battery == NULL) {
fu_context_set_power_state(ctx, FU_POWER_STATE_AC);
return;
}
if (g_variant_get_boolean(on_battery))
fu_context_set_power_state(ctx, FU_POWER_STATE_BATTERY);
else
fu_context_set_power_state(ctx, FU_POWER_STATE_AC);
}
static void
fu_upower_plugin_rescan_manager(FuPlugin *plugin)
{
fu_upower_plugin_update_lid(plugin);
fu_upower_plugin_update_battery(plugin);
}
static void
fu_upower_plugin_proxy_changed_cb(GDBusProxy *proxy,
GVariant *changed_properties,
GStrv invalidated_properties,
FuPlugin *plugin)
{
fu_upower_plugin_rescan_manager(plugin);
fu_upower_plugin_rescan_devices(plugin);
}
static gboolean
fu_upower_plugin_startup(FuPlugin *plugin, FuProgress *progress, GError **error)
{
FuUpowerPlugin *self = FU_UPOWER_PLUGIN(plugin);
g_autofree gchar *name_owner = NULL;
self->proxy_manager = g_dbus_proxy_new_for_bus_sync(G_BUS_TYPE_SYSTEM,
G_DBUS_PROXY_FLAGS_NONE,
NULL,
"org.freedesktop.UPower",
"/org/freedesktop/UPower",
"org.freedesktop.UPower",
NULL,
error);
if (self->proxy_manager == NULL) {
g_prefix_error_literal(error, "failed to connect to upower: ");
return FALSE;
}
self->proxy = g_dbus_proxy_new_for_bus_sync(G_BUS_TYPE_SYSTEM,
G_DBUS_PROXY_FLAGS_NONE,
NULL,
"org.freedesktop.UPower",
"/org/freedesktop/UPower/devices/DisplayDevice",
"org.freedesktop.UPower.Device",
NULL,
error);
if (self->proxy == NULL) {
g_prefix_error_literal(error, "failed to connect to upower: ");
return FALSE;
}
name_owner = g_dbus_proxy_get_name_owner(self->proxy);
if (name_owner == NULL) {
g_set_error(error,
FWUPD_ERROR,
FWUPD_ERROR_NOT_SUPPORTED,
"no owner for %s",
g_dbus_proxy_get_name(self->proxy));
return FALSE;
}
g_signal_connect(G_DBUS_PROXY(self->proxy),
"g-properties-changed",
G_CALLBACK(fu_upower_plugin_proxy_changed_cb),
plugin);
g_signal_connect(G_DBUS_PROXY(self->proxy_manager),
"g-properties-changed",
G_CALLBACK(fu_upower_plugin_proxy_changed_cb),
plugin);
fu_upower_plugin_rescan_devices(plugin);
fu_upower_plugin_rescan_manager(plugin);
/* success */
return TRUE;
}
static void
fu_upower_plugin_init(FuUpowerPlugin *self)
{
}
static void
fu_upower_plugin_finalize(GObject *obj)
{
FuUpowerPlugin *self = FU_UPOWER_PLUGIN(obj);
if (self->proxy != NULL)
g_object_unref(self->proxy);
if (self->proxy_manager != NULL)
g_object_unref(self->proxy_manager);
G_OBJECT_CLASS(fu_upower_plugin_parent_class)->finalize(obj);
}
static void
fu_upower_plugin_class_init(FuUpowerPluginClass *klass)
{
FuPluginClass *plugin_class = FU_PLUGIN_CLASS(klass);
GObjectClass *object_class = G_OBJECT_CLASS(klass);
object_class->finalize = fu_upower_plugin_finalize;
plugin_class->startup = fu_upower_plugin_startup;
}
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