diff options
Diffstat (limited to 'src/calendar-server/gnome-shell-calendar-server.c')
| -rw-r--r-- | src/calendar-server/gnome-shell-calendar-server.c | 1118 |
1 files changed, 1118 insertions, 0 deletions
diff --git a/src/calendar-server/gnome-shell-calendar-server.c b/src/calendar-server/gnome-shell-calendar-server.c new file mode 100644 index 0000000..5758f0f --- /dev/null +++ b/src/calendar-server/gnome-shell-calendar-server.c @@ -0,0 +1,1118 @@ +/* + * Copyright (C) 2011 Red Hat, Inc. + * + * 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/>. + * + * Author: David Zeuthen <davidz@redhat.com> + * + * Based on code from gnome-panel's clock-applet, file calendar-client.c, with Authors: + * + * Mark McLoughlin <mark@skynet.ie> + * William Jon McCann <mccann@jhu.edu> + * Martin Grimme <martin@pycage.de> + * Christian Kellner <gicmo@xatom.net> + * + */ + +#include "config.h" + +#include <string.h> +#include <sys/types.h> +#include <unistd.h> + +#include <gio/gio.h> + +#define HANDLE_LIBICAL_MEMORY +#define EDS_DISABLE_DEPRECATED +G_GNUC_BEGIN_IGNORE_DEPRECATIONS +#include <libecal/libecal.h> +G_GNUC_END_IGNORE_DEPRECATIONS + +#include "calendar-sources.h" + +#define BUS_NAME "org.gnome.Shell.CalendarServer" + +static const gchar introspection_xml[] = + "<node>" + " <interface name='org.gnome.Shell.CalendarServer'>" + " <method name='SetTimeRange'>" + " <arg type='x' name='since' direction='in'/>" + " <arg type='x' name='until' direction='in'/>" + " <arg type='b' name='force_reload' direction='in'/>" + " </method>" + " <signal name='EventsAddedOrUpdated'>" + " <arg type='a(ssbxxa{sv})' name='events' direction='out'/>" + " </signal>" + " <signal name='EventsRemoved'>" + " <arg type='as' name='ids' direction='out'/>" + " </signal>" + " <signal name='ClientDisappeared'>" + " <arg type='s' name='source_uid' direction='out'/>" + " </signal>" + " <property name='Since' type='x' access='read'/>" + " <property name='Until' type='x' access='read'/>" + " <property name='HasCalendars' type='b' access='read'/>" + " </interface>" + "</node>"; +static GDBusNodeInfo *introspection_data = NULL; + +struct _App; +typedef struct _App App; + +static gboolean opt_replace = FALSE; +static GOptionEntry opt_entries[] = { + {"replace", 0, 0, G_OPTION_ARG_NONE, &opt_replace, "Replace existing daemon", NULL}, + {NULL } +}; +static App *_global_app = NULL; + +/* ---------------------------------------------------------------------------------------------------- */ + +/* While the UID is usually enough to identify an event, + * only the triple of (source,UID,RID) is fully unambiguous; + * neither may contain '\n', so we can safely use it to + * create a unique ID from the triple + */ +static gchar * +create_event_id (const gchar *source_uid, + const gchar *comp_uid, + const gchar *comp_rid) +{ + return g_strconcat ( + source_uid ? source_uid : "", + "\n", + comp_uid ? comp_uid : "", + "\n", + comp_rid ? comp_rid : "", + NULL); +} + +typedef struct +{ + ECalClient *client; + GSList **pappointments; /* CalendarAppointment * */ +} CollectAppointmentsData; + +typedef struct +{ + gchar *id; + gchar *summary; + time_t start_time; + time_t end_time; + guint is_all_day : 1; +} CalendarAppointment; + +static time_t +get_time_from_property (ECalClient *cal, + ICalComponent *icomp, + ICalPropertyKind prop_kind, + ICalTime * (* get_prop_func) (ICalProperty *prop), + ICalTimezone *default_zone) +{ + ICalProperty *prop; + ICalTime *itt; + ICalParameter *param; + ICalTimezone *timezone = NULL; + time_t retval; + + prop = i_cal_component_get_first_property (icomp, prop_kind); + if (!prop) + return 0; + + itt = get_prop_func (prop); + + param = i_cal_property_get_first_parameter (prop, I_CAL_TZID_PARAMETER); + if (param) + timezone = e_timezone_cache_get_timezone (E_TIMEZONE_CACHE (cal), i_cal_parameter_get_tzid (param)); + else if (i_cal_time_is_utc (itt)) + timezone = i_cal_timezone_get_utc_timezone (); + else + timezone = default_zone; + + i_cal_time_set_timezone (itt, timezone); + + retval = i_cal_time_as_timet_with_zone (itt, timezone); + + g_clear_object (¶m); + g_clear_object (&prop); + g_clear_object (&itt); + + return retval; +} + +static inline time_t +get_ical_start_time (ECalClient *cal, + ICalComponent *icomp, + ICalTimezone *default_zone) +{ + return get_time_from_property (cal, + icomp, + I_CAL_DTSTART_PROPERTY, + i_cal_property_get_dtstart, + default_zone); +} + +static inline time_t +get_ical_end_time (ECalClient *cal, + ICalComponent *icomp, + ICalTimezone *default_zone) +{ + return get_time_from_property (cal, + icomp, + I_CAL_DTEND_PROPERTY, + i_cal_property_get_dtend, + default_zone); +} + +static gboolean +get_ical_is_all_day (ECalClient *cal, + ICalComponent *icomp, + time_t start_time, + ICalTimezone *default_zone) +{ + ICalProperty *prop; + ICalDuration *duration; + ICalTime *dtstart; + struct tm *start_tm; + time_t end_time; + gboolean retval; + + dtstart = i_cal_component_get_dtstart (icomp); + if (dtstart && i_cal_time_is_date (dtstart)) + { + g_clear_object (&dtstart); + return TRUE; + } + + g_clear_object (&dtstart); + + start_tm = gmtime (&start_time); + if (start_tm->tm_sec != 0 || + start_tm->tm_min != 0 || + start_tm->tm_hour != 0) + return FALSE; + + if ((end_time = get_ical_end_time (cal, icomp, default_zone))) + return (end_time - start_time) % 86400 == 0; + + prop = i_cal_component_get_first_property (icomp, I_CAL_DURATION_PROPERTY); + if (!prop) + return FALSE; + + duration = i_cal_property_get_duration (prop); + + retval = duration && (i_cal_duration_as_int (duration) % 86400) == 0; + + g_clear_object (&duration); + g_clear_object (&prop); + + return retval; +} + +static inline time_t +get_ical_due_time (ECalClient *cal, + ICalComponent *icomp, + ICalTimezone *default_zone) +{ + return get_time_from_property (cal, + icomp, + I_CAL_DUE_PROPERTY, + i_cal_property_get_due, + default_zone); +} + +static inline time_t +get_ical_completed_time (ECalClient *cal, + ICalComponent *icomp, + ICalTimezone *default_zone) +{ + return get_time_from_property (cal, + icomp, + I_CAL_COMPLETED_PROPERTY, + i_cal_property_get_completed, + default_zone); +} + +static CalendarAppointment * +calendar_appointment_new (ECalClient *cal, + ECalComponent *comp) +{ + CalendarAppointment *appt; + ICalTimezone *default_zone; + ICalComponent *ical; + ECalComponentId *id; + + default_zone = e_cal_client_get_default_timezone (cal); + ical = e_cal_component_get_icalcomponent (comp); + id = e_cal_component_get_id (comp); + + appt = g_new0 (CalendarAppointment, 1); + + appt->id = create_event_id (e_source_get_uid (e_client_get_source (E_CLIENT (cal))), + id ? e_cal_component_id_get_uid (id) : NULL, + id ? e_cal_component_id_get_rid (id) : NULL); + appt->summary = g_strdup (i_cal_component_get_summary (ical)); + appt->start_time = get_ical_start_time (cal, ical, default_zone); + appt->end_time = get_ical_end_time (cal, ical, default_zone); + appt->is_all_day = get_ical_is_all_day (cal, + ical, + appt->start_time, + default_zone); + + e_cal_component_id_free (id); + + return appt; +} + +static void +calendar_appointment_free (gpointer ptr) +{ + CalendarAppointment *appt = ptr; + + if (appt) + { + g_free (appt->id); + g_free (appt->summary); + g_free (appt); + } +} + +static time_t +timet_from_ical_time (ICalTime *time, + ICalTimezone *default_zone) +{ + ICalTimezone *timezone = NULL; + + timezone = i_cal_time_get_timezone (time); + if (timezone == NULL) + timezone = default_zone; + return i_cal_time_as_timet_with_zone (time, timezone); +} + +static gboolean +generate_instances_cb (ICalComponent *icomp, + ICalTime *instance_start, + ICalTime *instance_end, + gpointer user_data, + GCancellable *cancellable, + GError **error) +{ + CollectAppointmentsData *data = user_data; + CalendarAppointment *appointment; + ECalComponent *comp; + ICalTimezone *default_zone; + + default_zone = e_cal_client_get_default_timezone (data->client); + comp = e_cal_component_new_from_icalcomponent (i_cal_component_clone (icomp)); + + appointment = calendar_appointment_new (data->client, comp); + appointment->start_time = timet_from_ical_time (instance_start, default_zone); + appointment->end_time = timet_from_ical_time (instance_end, default_zone); + + *(data->pappointments) = g_slist_prepend (*(data->pappointments), appointment); + + g_clear_object (&comp); + + return TRUE; +} + +/* ---------------------------------------------------------------------------------------------------- */ + +struct _App +{ + GDBusConnection *connection; + + time_t since; + time_t until; + + ICalTimezone *zone; + + CalendarSources *sources; + gulong client_appeared_signal_id; + gulong client_disappeared_signal_id; + + gchar *timezone_location; + + GSList *notify_appointments; /* CalendarAppointment *, for EventsAdded */ + GSList *notify_ids; /* gchar *, for EventsRemoved */ + + GSList *live_views; +}; + +static void +app_update_timezone (App *app) +{ + g_autofree char *location = NULL; + + location = e_cal_system_timezone_get_location (); + if (g_strcmp0 (location, app->timezone_location) != 0) + { + if (location == NULL) + app->zone = i_cal_timezone_get_utc_timezone (); + else + app->zone = i_cal_timezone_get_builtin_timezone (location); + g_free (app->timezone_location); + app->timezone_location = g_steal_pointer (&location); + print_debug ("Using timezone %s", app->timezone_location); + } +} + +static void +app_notify_events_added (App *app) +{ + GVariantBuilder builder, extras_builder; + GSList *events, *link; + + events = g_slist_reverse (app->notify_appointments); + app->notify_appointments = NULL; + + print_debug ("Emitting EventsAddedOrUpdated with %d events", g_slist_length (events)); + + if (!events) + return; + + /* The a{sv} is used as an escape hatch in case we want to provide more + * information in the future without breaking ABI + */ + g_variant_builder_init (&builder, G_VARIANT_TYPE ("a(ssbxxa{sv})")); + for (link = events; link; link = g_slist_next (link)) + { + CalendarAppointment *appt = link->data; + time_t start_time = appt->start_time; + time_t end_time = appt->end_time; + + if ((start_time >= app->since && + start_time < app->until) || + (start_time <= app->since && + (end_time - 1) > app->since)) + { + g_variant_builder_init (&extras_builder, G_VARIANT_TYPE ("a{sv}")); + g_variant_builder_add (&builder, + "(ssbxxa{sv})", + appt->id, + appt->summary != NULL ? appt->summary : "", + (gboolean) appt->is_all_day, + (gint64) start_time, + (gint64) end_time, + &extras_builder); + } + } + + g_dbus_connection_emit_signal (app->connection, + NULL, /* destination_bus_name */ + "/org/gnome/Shell/CalendarServer", + "org.gnome.Shell.CalendarServer", + "EventsAddedOrUpdated", + g_variant_new ("(a(ssbxxa{sv}))", &builder), + NULL); + + g_variant_builder_clear (&builder); + + g_slist_free_full (events, calendar_appointment_free); +} + +static void +app_notify_events_removed (App *app) +{ + GVariantBuilder builder; + GSList *ids, *link; + + ids = app->notify_ids; + app->notify_ids = NULL; + + print_debug ("Emitting EventsRemoved with %d ids", g_slist_length (ids)); + + if (!ids) + return; + + g_variant_builder_init (&builder, G_VARIANT_TYPE ("as")); + for (link = ids; link; link = g_slist_next (link)) + { + const gchar *id = link->data; + + g_variant_builder_add (&builder, "s", id); + } + + g_dbus_connection_emit_signal (app->connection, + NULL, /* destination_bus_name */ + "/org/gnome/Shell/CalendarServer", + "org.gnome.Shell.CalendarServer", + "EventsRemoved", + g_variant_new ("(as)", &builder), + NULL); + g_variant_builder_clear (&builder); + + g_slist_free_full (ids, g_free); + + return; +} + +static void +app_process_added_modified_objects (App *app, + ECalClientView *view, + GSList *objects) /* ICalComponent * */ +{ + ECalClient *cal_client; + GSList *link; + gboolean expand_recurrences; + + cal_client = e_cal_client_view_ref_client (view); + expand_recurrences = e_cal_client_get_source_type (cal_client) == E_CAL_CLIENT_SOURCE_TYPE_EVENTS; + + for (link = objects; link; link = g_slist_next (link)) + { + ECalComponent *comp; + ICalComponent *icomp = link->data; + + if (!icomp || !i_cal_component_get_uid (icomp)) + continue; + + if (expand_recurrences && + !e_cal_util_component_is_instance (icomp) && + e_cal_util_component_has_recurrences (icomp)) + { + CollectAppointmentsData data; + + data.client = cal_client; + data.pappointments = &app->notify_appointments; + + e_cal_client_generate_instances_for_object_sync (cal_client, icomp, app->since, app->until, NULL, + generate_instances_cb, &data); + } + else + { + comp = e_cal_component_new_from_icalcomponent (i_cal_component_clone (icomp)); + if (!comp) + continue; + + app->notify_appointments = g_slist_prepend (app->notify_appointments, + calendar_appointment_new (cal_client, comp)); + g_object_unref (comp); + } + } + + g_clear_object (&cal_client); + + if (app->notify_appointments) + app_notify_events_added (app); +} + +static void +on_objects_added (ECalClientView *view, + GSList *objects, + gpointer user_data) +{ + App *app = user_data; + ECalClient *client; + + client = e_cal_client_view_ref_client (view); + print_debug ("%s (%d) for calendar '%s'", G_STRFUNC, g_slist_length (objects), e_source_get_uid (e_client_get_source (E_CLIENT (client)))); + g_clear_object (&client); + + app_process_added_modified_objects (app, view, objects); +} + +static void +on_objects_modified (ECalClientView *view, + GSList *objects, + gpointer user_data) +{ + App *app = user_data; + ECalClient *client; + + client = e_cal_client_view_ref_client (view); + print_debug ("%s (%d) for calendar '%s'", G_STRFUNC, g_slist_length (objects), e_source_get_uid (e_client_get_source (E_CLIENT (client)))); + g_clear_object (&client); + + app_process_added_modified_objects (app, view, objects); +} + +static void +on_objects_removed (ECalClientView *view, + GSList *uids, + gpointer user_data) +{ + App *app = user_data; + ECalClient *client; + GSList *link; + const gchar *source_uid; + + client = e_cal_client_view_ref_client (view); + source_uid = e_source_get_uid (e_client_get_source (E_CLIENT (client))); + + print_debug ("%s (%d) for calendar '%s'", G_STRFUNC, g_slist_length (uids), source_uid); + + for (link = uids; link; link = g_slist_next (link)) + { + ECalComponentId *id = link->data; + + if (!id) + continue; + + app->notify_ids = g_slist_prepend (app->notify_ids, + create_event_id (source_uid, + e_cal_component_id_get_uid (id), + e_cal_component_id_get_rid (id))); + } + + g_clear_object (&client); + + if (app->notify_ids) + app_notify_events_removed (app); +} + +static gboolean +app_has_calendars (App *app) +{ + return app->live_views != NULL; +} + +static ECalClientView * +app_start_view (App *app, + ECalClient *cal_client) +{ + g_autofree char *since_iso8601 = NULL; + g_autofree char *until_iso8601 = NULL; + g_autofree char *query = NULL; + const gchar *tz_location; + ECalClientView *view = NULL; + g_autoptr (GError) error = NULL; + + if (app->since <= 0 || app->since >= app->until) + return NULL; + + if (!app->since || !app->until) + { + print_debug ("Skipping load of events, no time interval set yet"); + return NULL; + } + + /* timezone could have changed */ + app_update_timezone (app); + + since_iso8601 = isodate_from_time_t (app->since); + until_iso8601 = isodate_from_time_t (app->until); + tz_location = i_cal_timezone_get_location (app->zone); + + print_debug ("Loading events since %s until %s for calendar '%s'", + since_iso8601, + until_iso8601, + e_source_get_uid (e_client_get_source (E_CLIENT (cal_client)))); + + query = g_strdup_printf ("occur-in-time-range? (make-time \"%s\") " + "(make-time \"%s\") \"%s\"", + since_iso8601, + until_iso8601, + tz_location); + + e_cal_client_set_default_timezone (cal_client, app->zone); + + if (!e_cal_client_get_view_sync (cal_client, query, &view, NULL /* cancellable */, &error)) + { + g_warning ("Error setting up live-query '%s' on calendar: %s\n", query, error ? error->message : "Unknown error"); + view = NULL; + } + else + { + g_signal_connect (view, + "objects-added", + G_CALLBACK (on_objects_added), + app); + g_signal_connect (view, + "objects-modified", + G_CALLBACK (on_objects_modified), + app); + g_signal_connect (view, + "objects-removed", + G_CALLBACK (on_objects_removed), + app); + e_cal_client_view_start (view, NULL); + } + + return view; +} + +static void +app_stop_view (App *app, + ECalClientView *view) +{ + e_cal_client_view_stop (view, NULL); + + g_signal_handlers_disconnect_by_func (view, on_objects_added, app); + g_signal_handlers_disconnect_by_func (view, on_objects_modified, app); + g_signal_handlers_disconnect_by_func (view, on_objects_removed, app); +} + +static void +app_notify_has_calendars (App *app) +{ + GVariantBuilder dict_builder; + + g_variant_builder_init (&dict_builder, G_VARIANT_TYPE ("a{sv}")); + g_variant_builder_add (&dict_builder, "{sv}", "HasCalendars", + g_variant_new_boolean (app_has_calendars (app))); + + g_dbus_connection_emit_signal (app->connection, + NULL, + "/org/gnome/Shell/CalendarServer", + "org.freedesktop.DBus.Properties", + "PropertiesChanged", + g_variant_new ("(sa{sv}as)", + "org.gnome.Shell.CalendarServer", + &dict_builder, + NULL), + NULL); + g_variant_builder_clear (&dict_builder); +} + +static void +app_update_views (App *app) +{ + GSList *link, *clients; + gboolean had_views, has_views; + + had_views = app->live_views != NULL; + + for (link = app->live_views; link; link = g_slist_next (link)) + { + app_stop_view (app, link->data); + } + + g_slist_free_full (app->live_views, g_object_unref); + app->live_views = NULL; + + clients = calendar_sources_ref_clients (app->sources); + + for (link = clients; link; link = g_slist_next (link)) + { + ECalClient *cal_client = link->data; + ECalClientView *view; + + if (!cal_client) + continue; + + view = app_start_view (app, cal_client); + if (view) + app->live_views = g_slist_prepend (app->live_views, view); + } + + has_views = app->live_views != NULL; + + if (has_views != had_views) + app_notify_has_calendars (app); + + g_slist_free_full (clients, g_object_unref); +} + +static void +on_client_appeared_cb (CalendarSources *sources, + ECalClient *client, + gpointer user_data) +{ + App *app = user_data; + ECalClientView *view; + GSList *link; + const gchar *source_uid; + + source_uid = e_source_get_uid (e_client_get_source (E_CLIENT (client))); + + print_debug ("Client appeared '%s'", source_uid); + + for (link = app->live_views; link; link = g_slist_next (link)) + { + ECalClientView *view = link->data; + ECalClient *cal_client; + ESource *source; + + cal_client = e_cal_client_view_ref_client (view); + source = e_client_get_source (E_CLIENT (cal_client)); + + if (g_strcmp0 (source_uid, e_source_get_uid (source)) == 0) + { + g_clear_object (&cal_client); + return; + } + + g_clear_object (&cal_client); + } + + view = app_start_view (app, client); + + if (view) + { + app->live_views = g_slist_prepend (app->live_views, view); + + /* It's the first view, notify that it has calendars now */ + if (!g_slist_next (app->live_views)) + app_notify_has_calendars (app); + } +} + +static void +on_client_disappeared_cb (CalendarSources *sources, + const gchar *source_uid, + gpointer user_data) +{ + App *app = user_data; + GSList *link; + + print_debug ("Client disappeared '%s'", source_uid); + + for (link = app->live_views; link; link = g_slist_next (link)) + { + ECalClientView *view = link->data; + ECalClient *cal_client; + ESource *source; + + cal_client = e_cal_client_view_ref_client (view); + source = e_client_get_source (E_CLIENT (cal_client)); + + if (g_strcmp0 (source_uid, e_source_get_uid (source)) == 0) + { + g_clear_object (&cal_client); + app_stop_view (app, view); + app->live_views = g_slist_remove (app->live_views, view); + g_object_unref (view); + + print_debug ("Emitting ClientDisappeared for '%s'", source_uid); + + g_dbus_connection_emit_signal (app->connection, + NULL, /* destination_bus_name */ + "/org/gnome/Shell/CalendarServer", + "org.gnome.Shell.CalendarServer", + "ClientDisappeared", + g_variant_new ("(s)", source_uid), + NULL); + + /* It was the last view, notify that it doesn't have calendars now */ + if (!app->live_views) + app_notify_has_calendars (app); + + break; + } + + g_clear_object (&cal_client); + } +} + +static App * +app_new (GDBusConnection *connection) +{ + App *app; + + app = g_new0 (App, 1); + app->connection = g_object_ref (connection); + app->sources = calendar_sources_get (); + app->client_appeared_signal_id = g_signal_connect (app->sources, + "client-appeared", + G_CALLBACK (on_client_appeared_cb), + app); + app->client_disappeared_signal_id = g_signal_connect (app->sources, + "client-disappeared", + G_CALLBACK (on_client_disappeared_cb), + app); + + app_update_timezone (app); + + return app; +} + +static void +app_free (App *app) +{ + GSList *ll; + + for (ll = app->live_views; ll != NULL; ll = g_slist_next (ll)) + { + ECalClientView *view = E_CAL_CLIENT_VIEW (ll->data); + + app_stop_view (app, view); + } + + g_signal_handler_disconnect (app->sources, + app->client_appeared_signal_id); + g_signal_handler_disconnect (app->sources, + app->client_disappeared_signal_id); + + g_free (app->timezone_location); + + g_slist_free_full (app->live_views, g_object_unref); + g_slist_free_full (app->notify_appointments, calendar_appointment_free); + g_slist_free_full (app->notify_ids, g_free); + + g_object_unref (app->connection); + g_object_unref (app->sources); + + g_free (app); +} + +/* ---------------------------------------------------------------------------------------------------- */ + +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) +{ + App *app = user_data; + + if (g_strcmp0 (method_name, "SetTimeRange") == 0) + { + gint64 since; + gint64 until; + gboolean force_reload = FALSE; + gboolean window_changed = FALSE; + + g_variant_get (parameters, + "(xxb)", + &since, + &until, + &force_reload); + + if (until < since) + { + g_dbus_method_invocation_return_dbus_error (invocation, + "org.gnome.Shell.CalendarServer.Error.Failed", + "until cannot be before since"); + goto out; + } + + print_debug ("Handling SetTimeRange (since=%" G_GINT64_FORMAT ", until=%" G_GINT64_FORMAT ", force_reload=%s)", + since, + until, + force_reload ? "true" : "false"); + + if (app->until != until || app->since != since) + { + GVariantBuilder *builder; + GVariantBuilder *invalidated_builder; + + app->until = until; + app->since = since; + window_changed = TRUE; + + builder = g_variant_builder_new (G_VARIANT_TYPE ("a{sv}")); + invalidated_builder = g_variant_builder_new (G_VARIANT_TYPE ("as")); + g_variant_builder_add (builder, "{sv}", + "Until", g_variant_new_int64 (app->until)); + g_variant_builder_add (builder, "{sv}", + "Since", g_variant_new_int64 (app->since)); + g_dbus_connection_emit_signal (app->connection, + NULL, /* destination_bus_name */ + "/org/gnome/Shell/CalendarServer", + "org.freedesktop.DBus.Properties", + "PropertiesChanged", + g_variant_new ("(sa{sv}as)", + "org.gnome.Shell.CalendarServer", + builder, + invalidated_builder), + NULL); /* GError** */ + + g_variant_builder_unref (builder); + g_variant_builder_unref (invalidated_builder); + } + + g_dbus_method_invocation_return_value (invocation, NULL); + + if (window_changed || force_reload) + app_update_views (app); + } + else + { + g_assert_not_reached (); + } + + out: + ; +} + +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) +{ + App *app = user_data; + GVariant *ret; + + ret = NULL; + if (g_strcmp0 (property_name, "Since") == 0) + { + ret = g_variant_new_int64 (app->since); + } + else if (g_strcmp0 (property_name, "Until") == 0) + { + ret = g_variant_new_int64 (app->until); + } + else if (g_strcmp0 (property_name, "HasCalendars") == 0) + { + ret = g_variant_new_boolean (app_has_calendars (app)); + } + else + { + g_assert_not_reached (); + } + return ret; +} + +static const GDBusInterfaceVTable interface_vtable = +{ + handle_method_call, + handle_get_property, + NULL /* handle_set_property */ +}; + +static void +on_bus_acquired (GDBusConnection *connection, + const gchar *name, + gpointer user_data) +{ + GMainLoop *main_loop = user_data; + guint registration_id; + g_autoptr (GError) error = NULL; + + _global_app = app_new (connection); + + registration_id = g_dbus_connection_register_object (connection, + "/org/gnome/Shell/CalendarServer", + introspection_data->interfaces[0], + &interface_vtable, + _global_app, + NULL, /* user_data_free_func */ + &error); + if (registration_id == 0) + { + g_printerr ("Error exporting object: %s (%s %d)\n", + error->message, + g_quark_to_string (error->domain), + error->code); + g_main_loop_quit (main_loop); + return; + } + + print_debug ("Connected to the session bus"); +} + +static void +on_name_lost (GDBusConnection *connection, + const gchar *name, + gpointer user_data) +{ + GMainLoop *main_loop = user_data; + + g_print ("gnome-shell-calendar-server[%d]: Lost (or failed to acquire) the name " BUS_NAME " - exiting\n", + (gint) getpid ()); + g_main_loop_quit (main_loop); +} + +static void +on_name_acquired (GDBusConnection *connection, + const gchar *name, + gpointer user_data) +{ + print_debug ("Acquired the name " BUS_NAME); +} + +static gboolean +stdin_channel_io_func (GIOChannel *source, + GIOCondition condition, + gpointer data) +{ + GMainLoop *main_loop = data; + + if (condition & G_IO_HUP) + { + g_debug ("gnome-shell-calendar-server[%d]: Got HUP on stdin - exiting\n", + (gint) getpid ()); + g_main_loop_quit (main_loop); + } + else + { + g_warning ("Unhandled condition %d on GIOChannel for stdin", condition); + } + return FALSE; /* remove source */ +} + +int +main (int argc, + char **argv) +{ + g_autoptr (GError) error = NULL; + GOptionContext *opt_context; + GMainLoop *main_loop; + gint ret; + guint name_owner_id; + GIOChannel *stdin_channel; + + ret = 1; + opt_context = NULL; + name_owner_id = 0; + stdin_channel = NULL; + + introspection_data = g_dbus_node_info_new_for_xml (introspection_xml, NULL); + g_assert (introspection_data != NULL); + + opt_context = g_option_context_new ("gnome-shell calendar server"); + g_option_context_add_main_entries (opt_context, opt_entries, NULL); + if (!g_option_context_parse (opt_context, &argc, &argv, &error)) + { + g_printerr ("Error parsing options: %s\n", error->message); + goto out; + } + + main_loop = g_main_loop_new (NULL, FALSE); + + stdin_channel = g_io_channel_unix_new (STDIN_FILENO); + g_io_add_watch_full (stdin_channel, + G_PRIORITY_DEFAULT, + G_IO_HUP, + stdin_channel_io_func, + g_main_loop_ref (main_loop), + (GDestroyNotify) g_main_loop_unref); + + name_owner_id = g_bus_own_name (G_BUS_TYPE_SESSION, + BUS_NAME, + G_BUS_NAME_OWNER_FLAGS_ALLOW_REPLACEMENT | + (opt_replace ? G_BUS_NAME_OWNER_FLAGS_REPLACE : 0), + on_bus_acquired, + on_name_acquired, + on_name_lost, + g_main_loop_ref (main_loop), + (GDestroyNotify) g_main_loop_unref); + + g_main_loop_run (main_loop); + + g_main_loop_unref (main_loop); + + ret = 0; + + out: + if (stdin_channel != NULL) + g_io_channel_unref (stdin_channel); + if (_global_app != NULL) + app_free (_global_app); + if (name_owner_id != 0) + g_bus_unown_name (name_owner_id); + if (opt_context != NULL) + g_option_context_free (opt_context); + + return ret; +} |