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-rw-r--r--src/calendar-server/gnome-shell-calendar-server.c1118
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 (&param);
+ 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;
+}