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5942cd7984
Add SPDX license (but not copyright) headers to all files which follow a certain pattern in their existing non-machine-readable header comment. This commit was entirely generated using the command: ``` git ls-files gio/*.[ch] | xargs perl -0777 -pi -e 's/\n \*\n \* This library is free software; you can redistribute it and\/or\n \* modify it under the terms of the GNU Lesser General Public/\n \*\n \* SPDX-License-Identifier: LGPL-2.1-or-later\n \*\n \* This library is free software; you can redistribute it and\/or\n \* modify it under the terms of the GNU Lesser General Public/igs' ``` Signed-off-by: Philip Withnall <pwithnall@endlessos.org> Helps: #1415
245 lines
8.1 KiB
C
245 lines
8.1 KiB
C
/* GIO - GLib Input, Output and Streaming Library
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*
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* Copyright 2019 Red Hat, Inc.
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* Copyrgith 2021 Igalia S.L.
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*
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* SPDX-License-Identifier: LGPL-2.1-or-later
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General
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* Public License along with this library; if not, see <http://www.gnu.org/licenses/>.
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*/
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#include "config.h"
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#include "gpowerprofilemonitor.h"
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#include "gpowerprofilemonitordbus.h"
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#include "gioerror.h"
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#include "ginitable.h"
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#include "giomodule-priv.h"
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#include "glibintl.h"
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#include "glib/gstdio.h"
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#include "gcancellable.h"
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#include "gdbusproxy.h"
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#include "gdbusnamewatching.h"
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#define G_POWER_PROFILE_MONITOR_DBUS_GET_INITABLE_IFACE(o) (G_TYPE_INSTANCE_GET_INTERFACE ((o), G_TYPE_INITABLE, GInitable))
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static void g_power_profile_monitor_dbus_iface_init (GPowerProfileMonitorInterface *iface);
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static void g_power_profile_monitor_dbus_initable_iface_init (GInitableIface *iface);
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struct _GPowerProfileMonitorDBus
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{
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GObject parent_instance;
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guint watch_id;
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GCancellable *cancellable;
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GDBusProxy *proxy;
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gulong signal_id;
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gboolean power_saver_enabled;
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};
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typedef enum
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{
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PROP_POWER_SAVER_ENABLED = 1,
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} GPowerProfileMonitorDBusProperty;
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#define POWERPROFILES_DBUS_NAME "net.hadess.PowerProfiles"
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#define POWERPROFILES_DBUS_IFACE "net.hadess.PowerProfiles"
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#define POWERPROFILES_DBUS_PATH "/net/hadess/PowerProfiles"
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G_DEFINE_TYPE_WITH_CODE (GPowerProfileMonitorDBus, g_power_profile_monitor_dbus, G_TYPE_OBJECT,
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G_IMPLEMENT_INTERFACE (G_TYPE_INITABLE,
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g_power_profile_monitor_dbus_initable_iface_init)
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G_IMPLEMENT_INTERFACE (G_TYPE_POWER_PROFILE_MONITOR,
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g_power_profile_monitor_dbus_iface_init)
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_g_io_modules_ensure_extension_points_registered ();
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g_io_extension_point_implement (G_POWER_PROFILE_MONITOR_EXTENSION_POINT_NAME,
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g_define_type_id,
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"dbus",
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30))
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static void
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g_power_profile_monitor_dbus_init (GPowerProfileMonitorDBus *dbus)
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{
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dbus->power_saver_enabled = FALSE;
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}
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static void
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ppd_properties_changed_cb (GDBusProxy *proxy,
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GVariant *changed_properties,
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GStrv *invalidated_properties,
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gpointer user_data)
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{
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GPowerProfileMonitorDBus *dbus = user_data;
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const char *active_profile;
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gboolean enabled;
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if (!g_variant_lookup (changed_properties, "ActiveProfile", "&s", &active_profile))
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return;
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enabled = g_strcmp0 (active_profile, "power-saver") == 0;
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if (enabled == dbus->power_saver_enabled)
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return;
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dbus->power_saver_enabled = enabled;
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g_object_notify (G_OBJECT (dbus), "power-saver-enabled");
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}
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static void
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ppd_proxy_cb (GObject *source_object,
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GAsyncResult *res,
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gpointer user_data)
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{
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GPowerProfileMonitorDBus *dbus = user_data;
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GVariant *active_profile_variant;
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GDBusProxy *proxy;
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GError *error = NULL;
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const char *active_profile;
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gboolean power_saver_enabled;
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proxy = g_dbus_proxy_new_finish (res, &error);
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if (!proxy)
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{
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g_debug ("GPowerProfileMonitorDBus: Failed to create PowerProfiles D-Bus proxy: %s",
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error->message);
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g_error_free (error);
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return;
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}
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active_profile_variant = g_dbus_proxy_get_cached_property (proxy, "ActiveProfile");
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if (active_profile_variant != NULL &&
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g_variant_is_of_type (active_profile_variant, G_VARIANT_TYPE_STRING))
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{
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active_profile = g_variant_get_string (active_profile_variant, NULL);
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power_saver_enabled = g_strcmp0 (active_profile, "power-saver") == 0;
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if (power_saver_enabled != dbus->power_saver_enabled)
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{
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dbus->power_saver_enabled = power_saver_enabled;
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g_object_notify (G_OBJECT (dbus), "power-saver-enabled");
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}
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}
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g_clear_pointer (&active_profile_variant, g_variant_unref);
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dbus->signal_id = g_signal_connect (G_OBJECT (proxy), "g-properties-changed",
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G_CALLBACK (ppd_properties_changed_cb), dbus);
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dbus->proxy = g_steal_pointer (&proxy);
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}
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static void
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ppd_appeared_cb (GDBusConnection *connection,
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const gchar *name,
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const gchar *name_owner,
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gpointer user_data)
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{
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GPowerProfileMonitorDBus *dbus = user_data;
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g_dbus_proxy_new (connection,
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G_DBUS_PROXY_FLAGS_NONE,
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NULL,
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POWERPROFILES_DBUS_NAME,
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POWERPROFILES_DBUS_PATH,
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POWERPROFILES_DBUS_IFACE,
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dbus->cancellable,
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ppd_proxy_cb,
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dbus);
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}
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static void
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ppd_vanished_cb (GDBusConnection *connection,
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const gchar *name,
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gpointer user_data)
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{
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GPowerProfileMonitorDBus *dbus = user_data;
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g_clear_signal_handler (&dbus->signal_id, dbus->proxy);
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g_clear_object (&dbus->proxy);
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dbus->power_saver_enabled = FALSE;
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g_object_notify (G_OBJECT (dbus), "power-saver-enabled");
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}
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static void
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g_power_profile_monitor_dbus_get_property (GObject *object,
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guint prop_id,
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GValue *value,
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GParamSpec *pspec)
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{
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GPowerProfileMonitorDBus *dbus = G_POWER_PROFILE_MONITOR_DBUS (object);
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switch ((GPowerProfileMonitorDBusProperty) prop_id)
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{
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case PROP_POWER_SAVER_ENABLED:
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g_value_set_boolean (value, dbus->power_saver_enabled);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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}
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}
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static gboolean
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g_power_profile_monitor_dbus_initable_init (GInitable *initable,
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GCancellable *cancellable,
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GError **error)
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{
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GPowerProfileMonitorDBus *dbus = G_POWER_PROFILE_MONITOR_DBUS (initable);
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dbus->cancellable = g_cancellable_new ();
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dbus->watch_id = g_bus_watch_name (G_BUS_TYPE_SYSTEM,
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POWERPROFILES_DBUS_NAME,
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G_BUS_NAME_WATCHER_FLAGS_AUTO_START,
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ppd_appeared_cb,
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ppd_vanished_cb,
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dbus,
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NULL);
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return TRUE;
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}
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static void
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g_power_profile_monitor_dbus_finalize (GObject *object)
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{
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GPowerProfileMonitorDBus *dbus = G_POWER_PROFILE_MONITOR_DBUS (object);
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g_cancellable_cancel (dbus->cancellable);
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g_clear_object (&dbus->cancellable);
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g_clear_signal_handler (&dbus->signal_id, dbus->proxy);
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g_clear_object (&dbus->proxy);
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g_clear_handle_id (&dbus->watch_id, g_bus_unwatch_name);
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G_OBJECT_CLASS (g_power_profile_monitor_dbus_parent_class)->finalize (object);
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}
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static void
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g_power_profile_monitor_dbus_class_init (GPowerProfileMonitorDBusClass *nl_class)
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{
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GObjectClass *gobject_class = G_OBJECT_CLASS (nl_class);
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gobject_class->get_property = g_power_profile_monitor_dbus_get_property;
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gobject_class->finalize = g_power_profile_monitor_dbus_finalize;
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g_object_class_override_property (gobject_class, PROP_POWER_SAVER_ENABLED, "power-saver-enabled");
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}
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static void
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g_power_profile_monitor_dbus_iface_init (GPowerProfileMonitorInterface *monitor_iface)
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{
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}
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static void
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g_power_profile_monitor_dbus_initable_iface_init (GInitableIface *iface)
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{
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iface->init = g_power_profile_monitor_dbus_initable_init;
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}
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