diff options
Diffstat (limited to 'plugins/color/gsd-color-manager.c')
| -rw-r--r-- | plugins/color/gsd-color-manager.c | 491 |
1 files changed, 491 insertions, 0 deletions
diff --git a/plugins/color/gsd-color-manager.c b/plugins/color/gsd-color-manager.c new file mode 100644 index 0000000..a9d8f74 --- /dev/null +++ b/plugins/color/gsd-color-manager.c @@ -0,0 +1,491 @@ +/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*- + * + * Copyright (C) 2007 William Jon McCann <mccann@jhu.edu> + * Copyright (C) 2011-2013 Richard Hughes <richard@hughsie.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 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 General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, see <http://www.gnu.org/licenses/>. + * + */ + +#include "config.h" + +#include <glib/gi18n.h> +#include <gdk/gdk.h> +#include <gtk/gtk.h> +#include <math.h> + +#include "gnome-settings-profile.h" +#include "gsd-color-calibrate.h" +#include "gsd-color-manager.h" +#include "gsd-color-state.h" +#include "gsd-night-light.h" + +#define GSD_DBUS_NAME "org.gnome.SettingsDaemon" +#define GSD_DBUS_PATH "/org/gnome/SettingsDaemon" +#define GSD_DBUS_BASE_INTERFACE "org.gnome.SettingsDaemon" + +#define GSD_COLOR_DBUS_NAME GSD_DBUS_NAME ".Color" +#define GSD_COLOR_DBUS_PATH GSD_DBUS_PATH "/Color" +#define GSD_COLOR_DBUS_INTERFACE GSD_DBUS_BASE_INTERFACE ".Color" + +static const gchar introspection_xml[] = +"<node>" +" <interface name='org.gnome.SettingsDaemon.Color'>" +" <method name='NightLightPreview'>" +" <arg type='u' name='duration' direction='in'/>" +" </method>" +" <property name='NightLightActive' type='b' access='read'/>" +" <property name='Temperature' type='u' access='readwrite'/>" +" <property name='DisabledUntilTomorrow' type='b' access='readwrite'/>" +" <property name='Sunrise' type='d' access='read'/>" +" <property name='Sunset' type='d' access='read'/>" +" </interface>" +"</node>"; + +struct _GsdColorManager +{ + GObject parent; + + /* D-Bus */ + guint name_id; + GDBusNodeInfo *introspection_data; + GDBusConnection *connection; + GCancellable *bus_cancellable; + + GsdColorCalibrate *calibrate; + GsdColorState *state; + GsdNightLight *nlight; + + guint nlight_forced_timeout_id; +}; + +enum { + PROP_0, +}; + +static void gsd_color_manager_class_init (GsdColorManagerClass *klass); +static void gsd_color_manager_init (GsdColorManager *color_manager); +static void gsd_color_manager_finalize (GObject *object); + +G_DEFINE_TYPE (GsdColorManager, gsd_color_manager, G_TYPE_OBJECT) + +static gpointer manager_object = NULL; + +GQuark +gsd_color_manager_error_quark (void) +{ + static GQuark quark = 0; + if (!quark) + quark = g_quark_from_static_string ("gsd_color_manager_error"); + return quark; +} + +gboolean +gsd_color_manager_start (GsdColorManager *manager, + GError **error) +{ + g_debug ("Starting color manager"); + gnome_settings_profile_start (NULL); + + /* start the device probing */ + gsd_color_state_start (manager->state); + + gnome_settings_profile_end (NULL); + return TRUE; +} + +void +gsd_color_manager_stop (GsdColorManager *manager) +{ + g_debug ("Stopping color manager"); + gsd_color_state_stop (manager->state); +} + +static void +gsd_color_manager_class_init (GsdColorManagerClass *klass) +{ + GObjectClass *object_class = G_OBJECT_CLASS (klass); + + object_class->finalize = gsd_color_manager_finalize; +} + +static void +emit_property_changed (GsdColorManager *manager, + const gchar *property_name, + GVariant *property_value) +{ + GVariantBuilder builder; + GVariantBuilder invalidated_builder; + + /* not yet connected */ + if (manager->connection == NULL) + return; + + /* build the dict */ + g_variant_builder_init (&invalidated_builder, G_VARIANT_TYPE ("as")); + g_variant_builder_init (&builder, G_VARIANT_TYPE_ARRAY); + g_variant_builder_add (&builder, + "{sv}", + property_name, + property_value); + g_dbus_connection_emit_signal (manager->connection, + NULL, + GSD_COLOR_DBUS_PATH, + "org.freedesktop.DBus.Properties", + "PropertiesChanged", + g_variant_new ("(sa{sv}as)", + GSD_COLOR_DBUS_INTERFACE, + &builder, + &invalidated_builder), + NULL); + g_variant_builder_clear (&builder); + g_variant_builder_clear (&invalidated_builder); +} + +static void +on_active_notify (GsdNightLight *nlight, + GParamSpec *pspec, + gpointer user_data) +{ + GsdColorManager *manager = GSD_COLOR_MANAGER (user_data); + emit_property_changed (manager, "NightLightActive", + g_variant_new_boolean (gsd_night_light_get_active (manager->nlight))); +} + +static void +on_sunset_notify (GsdNightLight *nlight, + GParamSpec *pspec, + gpointer user_data) +{ + GsdColorManager *manager = GSD_COLOR_MANAGER (user_data); + emit_property_changed (manager, "Sunset", + g_variant_new_double (gsd_night_light_get_sunset (manager->nlight))); +} + +static void +on_sunrise_notify (GsdNightLight *nlight, + GParamSpec *pspec, + gpointer user_data) +{ + GsdColorManager *manager = GSD_COLOR_MANAGER (user_data); + emit_property_changed (manager, "Sunrise", + g_variant_new_double (gsd_night_light_get_sunrise (manager->nlight))); +} + +static void +on_disabled_until_tmw_notify (GsdNightLight *nlight, + GParamSpec *pspec, + gpointer user_data) +{ + GsdColorManager *manager = GSD_COLOR_MANAGER (user_data); + emit_property_changed (manager, "DisabledUntilTomorrow", + g_variant_new_boolean (gsd_night_light_get_disabled_until_tmw (manager->nlight))); +} + +static void +on_temperature_notify (GsdNightLight *nlight, + GParamSpec *pspec, + gpointer user_data) +{ + GsdColorManager *manager = GSD_COLOR_MANAGER (user_data); + gdouble temperature = gsd_night_light_get_temperature (manager->nlight); + gsd_color_state_set_temperature (manager->state, temperature); + emit_property_changed (manager, "Temperature", + g_variant_new_uint32 (roundf (temperature))); +} + +static void +gsd_color_manager_init (GsdColorManager *manager) +{ + /* setup calibration features */ + manager->calibrate = gsd_color_calibrate_new (); + manager->state = gsd_color_state_new (); + + /* night light features */ + manager->nlight = gsd_night_light_new (); + g_signal_connect (manager->nlight, "notify::active", + G_CALLBACK (on_active_notify), manager); + g_signal_connect (manager->nlight, "notify::sunset", + G_CALLBACK (on_sunset_notify), manager); + g_signal_connect (manager->nlight, "notify::sunrise", + G_CALLBACK (on_sunrise_notify), manager); + g_signal_connect (manager->nlight, "notify::temperature", + G_CALLBACK (on_temperature_notify), manager); + g_signal_connect (manager->nlight, "notify::disabled-until-tmw", + G_CALLBACK (on_disabled_until_tmw_notify), manager); +} + +static void +gsd_color_manager_finalize (GObject *object) +{ + GsdColorManager *manager; + + g_return_if_fail (object != NULL); + g_return_if_fail (GSD_IS_COLOR_MANAGER (object)); + + manager = GSD_COLOR_MANAGER (object); + + gsd_color_manager_stop (manager); + + if (manager->bus_cancellable != NULL) { + g_cancellable_cancel (manager->bus_cancellable); + g_clear_object (&manager->bus_cancellable); + } + + g_clear_pointer (&manager->introspection_data, g_dbus_node_info_unref); + g_clear_object (&manager->connection); + + if (manager->name_id != 0) { + g_bus_unown_name (manager->name_id); + manager->name_id = 0; + } + + if (manager->nlight_forced_timeout_id) + g_source_remove (manager->nlight_forced_timeout_id); + + g_clear_object (&manager->calibrate); + g_clear_object (&manager->state); + g_clear_object (&manager->nlight); + + G_OBJECT_CLASS (gsd_color_manager_parent_class)->finalize (object); +} + +static gboolean +nlight_forced_timeout_cb (gpointer user_data) +{ + GsdColorManager *manager = GSD_COLOR_MANAGER (user_data); + + manager->nlight_forced_timeout_id = 0; + gsd_night_light_set_forced (manager->nlight, FALSE); + + return G_SOURCE_REMOVE; +} + +static void +handle_method_call (GDBusConnection *connection, + const gchar *sender, + const gchar *object_path, + const gchar *interface_name, + const gchar *method_name, + GVariant *parameters, + GDBusMethodInvocation *invocation, + gpointer user_data) +{ + GsdColorManager *manager = GSD_COLOR_MANAGER (user_data); + + if (g_strcmp0 (method_name, "NightLightPreview") == 0) { + guint32 duration = 0; + + if (!manager->nlight) { + g_dbus_method_invocation_return_error_literal (invocation, + G_IO_ERROR, G_IO_ERROR_NOT_INITIALIZED, + "Night-light is currently unavailable"); + + return; + } + + g_variant_get (parameters, "(u)", &duration); + + if (duration == 0 || duration > 120) { + g_dbus_method_invocation_return_error_literal (invocation, + G_IO_ERROR, G_IO_ERROR_INVALID_ARGUMENT, + "Duration is out of the range (0-120]."); + + return; + } + + if (manager->nlight_forced_timeout_id) + g_source_remove (manager->nlight_forced_timeout_id); + manager->nlight_forced_timeout_id = g_timeout_add_seconds (duration, nlight_forced_timeout_cb, manager); + + gsd_night_light_set_forced (manager->nlight, TRUE); + + g_dbus_method_invocation_return_value (invocation, NULL); + } else { + g_assert_not_reached (); + } +} + +static GVariant * +handle_get_property (GDBusConnection *connection, + const gchar *sender, + const gchar *object_path, + const gchar *interface_name, + const gchar *property_name, + GError **error, gpointer user_data) +{ + GsdColorManager *manager = GSD_COLOR_MANAGER (user_data); + + if (g_strcmp0 (interface_name, GSD_COLOR_DBUS_INTERFACE) != 0) { + g_set_error (error, G_DBUS_ERROR, G_DBUS_ERROR_FAILED, + "No such interface: %s", interface_name); + return NULL; + } + + if (g_strcmp0 (property_name, "NightLightActive") == 0) + return g_variant_new_boolean (gsd_night_light_get_active (manager->nlight)); + + if (g_strcmp0 (property_name, "Temperature") == 0) { + guint temperature; + temperature = gsd_color_state_get_temperature (manager->state); + return g_variant_new_uint32 (temperature); + } + + if (g_strcmp0 (property_name, "DisabledUntilTomorrow") == 0) + return g_variant_new_boolean (gsd_night_light_get_disabled_until_tmw (manager->nlight)); + + if (g_strcmp0 (property_name, "Sunrise") == 0) + return g_variant_new_double (gsd_night_light_get_sunrise (manager->nlight)); + + if (g_strcmp0 (property_name, "Sunset") == 0) + return g_variant_new_double (gsd_night_light_get_sunset (manager->nlight)); + + g_set_error (error, G_DBUS_ERROR, G_DBUS_ERROR_FAILED, + "Failed to get property: %s", property_name); + return NULL; +} + +static gboolean +handle_set_property (GDBusConnection *connection, + const gchar *sender, + const gchar *object_path, + const gchar *interface_name, + const gchar *property_name, + GVariant *value, + GError **error, gpointer user_data) +{ + GsdColorManager *manager = GSD_COLOR_MANAGER (user_data); + + if (g_strcmp0 (interface_name, GSD_COLOR_DBUS_INTERFACE) != 0) { + g_set_error (error, G_DBUS_ERROR, G_DBUS_ERROR_FAILED, + "No such interface: %s", interface_name); + return FALSE; + } + + if (g_strcmp0 (property_name, "Temperature") == 0) { + guint32 temperature; + g_variant_get (value, "u", &temperature); + if (temperature < GSD_COLOR_TEMPERATURE_MIN) { + g_set_error (error, + G_IO_ERROR, + G_IO_ERROR_INVALID_ARGUMENT, + "%" G_GUINT32_FORMAT "K is < min %" G_GUINT32_FORMAT "K", + temperature, GSD_COLOR_TEMPERATURE_MIN); + return FALSE; + } + if (temperature > GSD_COLOR_TEMPERATURE_MAX) { + g_set_error (error, + G_IO_ERROR, + G_IO_ERROR_INVALID_ARGUMENT, + "%" G_GUINT32_FORMAT "K is > max %" G_GUINT32_FORMAT "K", + temperature, GSD_COLOR_TEMPERATURE_MAX); + return FALSE; + } + gsd_color_state_set_temperature (manager->state, temperature); + return TRUE; + } + + if (g_strcmp0 (property_name, "DisabledUntilTomorrow") == 0) { + gsd_night_light_set_disabled_until_tmw (manager->nlight, + g_variant_get_boolean (value)); + return TRUE; + } + + g_set_error (error, G_DBUS_ERROR, G_DBUS_ERROR_FAILED, + "No such property: %s", property_name); + return FALSE; +} + +static const GDBusInterfaceVTable interface_vtable = +{ + handle_method_call, + handle_get_property, + handle_set_property +}; + +static void +name_lost_handler_cb (GDBusConnection *connection, const gchar *name, gpointer user_data) +{ + g_debug ("lost name, so exiting"); + gtk_main_quit (); +} + +static void +on_bus_gotten (GObject *source_object, + GAsyncResult *res, + GsdColorManager *manager) +{ + GDBusConnection *connection; + GError *error = NULL; + + connection = g_bus_get_finish (res, &error); + if (connection == NULL) { + if (!g_error_matches (error, G_IO_ERROR, G_IO_ERROR_CANCELLED)) + g_warning ("Could not get session bus: %s", error->message); + g_error_free (error); + return; + } + + manager->connection = connection; + + g_dbus_connection_register_object (connection, + GSD_COLOR_DBUS_PATH, + manager->introspection_data->interfaces[0], + &interface_vtable, + manager, + NULL, + NULL); + + manager->name_id = g_bus_own_name_on_connection (connection, + GSD_COLOR_DBUS_NAME, + G_BUS_NAME_OWNER_FLAGS_NONE, + NULL, + name_lost_handler_cb, + manager, + NULL); + + /* setup night light module */ + if (!gsd_night_light_start (manager->nlight, &error)) { + g_warning ("Could not start night light module: %s", error->message); + g_error_free (error); + } +} + +static void +register_manager_dbus (GsdColorManager *manager) +{ + manager->introspection_data = g_dbus_node_info_new_for_xml (introspection_xml, NULL); + g_assert (manager->introspection_data != NULL); + manager->bus_cancellable = g_cancellable_new (); + + g_bus_get (G_BUS_TYPE_SESSION, + manager->bus_cancellable, + (GAsyncReadyCallback) on_bus_gotten, + manager); +} + +GsdColorManager * +gsd_color_manager_new (void) +{ + if (manager_object != NULL) { + g_object_ref (manager_object); + } else { + manager_object = g_object_new (GSD_TYPE_COLOR_MANAGER, NULL); + g_object_add_weak_pointer (manager_object, + (gpointer *) &manager_object); + register_manager_dbus (manager_object); + } + + return GSD_COLOR_MANAGER (manager_object); +} |