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[evolution-data-server] Bug 494394 - No way for the user to refresh a calendar

commit 523d5a9d3116e242ad2f8cd4d140c4c278933246
Author: Milan Crha <mcrha redhat com>
Date:   Mon Nov 30 12:29:39 2009 +0530

    Bug 494394 -  No way for the user to refresh a calendar

 addressbook/libedata-book/e-data-book-factory.c   |    5 +-
 calendar/backends/caldav/e-cal-backend-caldav.c   |   37 +++++++++-
 calendar/backends/http/e-cal-backend-http.c       |   82 ++++++++++++++------
 calendar/backends/weather/e-cal-backend-weather.c |   69 ++++++++++++-----
 calendar/libecal/e-cal-util.h                     |    1 +
 calendar/libecal/e-cal.c                          |   45 +++++++++++
 calendar/libecal/e-cal.h                          |    2 +
 calendar/libedata-cal/e-cal-backend-sync.c        |   34 +++++++++
 calendar/libedata-cal/e-cal-backend-sync.h        |    5 +-
 calendar/libedata-cal/e-cal-backend.c             |   17 ++++
 calendar/libedata-cal/e-cal-backend.h             |    2 +
 calendar/libedata-cal/e-data-cal-factory.c        |    3 +-
 calendar/libedata-cal/e-data-cal.c                |   25 ++++++
 calendar/libedata-cal/e-data-cal.h                |    1 +
 calendar/libedata-cal/e-data-cal.xml              |    5 +
 15 files changed, 282 insertions(+), 51 deletions(-)
---
diff --git a/addressbook/libedata-book/e-data-book-factory.c b/addressbook/libedata-book/e-data-book-factory.c
index d5e891f..4c1ce58 100644
--- a/addressbook/libedata-book/e-data-book-factory.c
+++ b/addressbook/libedata-book/e-data-book-factory.c
@@ -317,8 +317,10 @@ impl_BookFactory_getBook(EDataBookFactory *factory, const gchar *IN_source, DBus
 		if (backend_factory)
 			backend = e_book_backend_factory_new_backend (backend_factory);
 
-		if (backend)
+		if (backend) {
 			g_hash_table_insert (priv->backends, g_strdup (uri), backend);
+			e_book_backend_set_mode (backend, priv->mode);
+		}
 	}
 
 	if (!backend) {
@@ -333,7 +335,6 @@ impl_BookFactory_getBook(EDataBookFactory *factory, const gchar *IN_source, DBus
 
 	path = construct_book_factory_path ();
 	book = e_data_book_new (backend, source);
-	e_book_backend_set_mode (backend, priv->mode);
 	g_hash_table_insert (priv->books, g_strdup (path), book);
 	e_book_backend_add_client (backend, book);
 	dbus_g_connection_register_g_object (connection, path, G_OBJECT (book));
diff --git a/calendar/backends/caldav/e-cal-backend-caldav.c b/calendar/backends/caldav/e-cal-backend-caldav.c
index 372e7ea..e36bad1 100644
--- a/calendar/backends/caldav/e-cal-backend-caldav.c
+++ b/calendar/backends/caldav/e-cal-backend-caldav.c
@@ -2110,11 +2110,13 @@ caldav_get_static_capabilities (ECalBackendSync  *backend,
 
 	if (priv && priv->is_google)
 		*capabilities = g_strdup (CAL_STATIC_CAPABILITY_NO_THISANDFUTURE ","
-					  CAL_STATIC_CAPABILITY_NO_THISANDPRIOR);
+					  CAL_STATIC_CAPABILITY_NO_THISANDPRIOR ","
+					  CAL_STATIC_CAPABILITY_REFRESH_SUPPORTED);
 	else
 		*capabilities = g_strdup (CAL_STATIC_CAPABILITY_NO_EMAIL_ALARMS ","
 					  CAL_STATIC_CAPABILITY_NO_THISANDFUTURE ","
-					  CAL_STATIC_CAPABILITY_NO_THISANDPRIOR);
+					  CAL_STATIC_CAPABILITY_NO_THISANDPRIOR ","
+					  CAL_STATIC_CAPABILITY_REFRESH_SUPPORTED);
 
 	return GNOME_Evolution_Calendar_Success;
 }
@@ -2380,6 +2382,36 @@ caldav_do_open (ECalBackendSync *backend,
 }
 
 static ECalBackendSyncStatus
+caldav_refresh (ECalBackendSync *backend, EDataCal *cal)
+{
+	ECalBackendCalDAV        *cbdav;
+	ECalBackendCalDAVPrivate *priv;
+	ECalBackendSyncStatus     status;
+	gboolean                  online;
+
+	cbdav = E_CAL_BACKEND_CALDAV (backend);
+	priv  = E_CAL_BACKEND_CALDAV_GET_PRIVATE (cbdav);
+
+	g_mutex_lock (priv->busy_lock);
+
+	if (!priv->loaded
+	    || priv->slave_cmd != SLAVE_SHOULD_SLEEP
+	    || check_state (cbdav, &online) != GNOME_Evolution_Calendar_Success
+	    || !online) {
+		g_mutex_unlock (priv->busy_lock);
+		return GNOME_Evolution_Calendar_Success;
+	}
+
+	priv->slave_cmd = SLAVE_SHOULD_WORK;
+
+	/* wake it up */
+	g_cond_signal (priv->cond);
+	g_mutex_unlock (priv->busy_lock);
+
+	return GNOME_Evolution_Calendar_Success;
+}
+
+static ECalBackendSyncStatus
 caldav_remove (ECalBackendSync *backend,
 	       EDataCal        *cal)
 {
@@ -4596,6 +4628,7 @@ e_cal_backend_caldav_class_init (ECalBackendCalDAVClass *class)
 	sync_class->get_static_capabilities_sync = caldav_get_static_capabilities;
 
 	sync_class->open_sync                    = caldav_do_open;
+	sync_class->refresh_sync                 = caldav_refresh;
 	sync_class->remove_sync                  = caldav_remove;
 
 	sync_class->create_object_sync = caldav_create_object;
diff --git a/calendar/backends/http/e-cal-backend-http.c b/calendar/backends/http/e-cal-backend-http.c
index c42ccb4..0bb92ab 100644
--- a/calendar/backends/http/e-cal-backend-http.c
+++ b/calendar/backends/http/e-cal-backend-http.c
@@ -208,7 +208,10 @@ e_cal_backend_http_get_alarm_email_address (ECalBackendSync *backend, EDataCal *
 static ECalBackendSyncStatus
 e_cal_backend_http_get_static_capabilities (ECalBackendSync *backend, EDataCal *cal, gchar **capabilities)
 {
-	*capabilities = g_strdup (CAL_STATIC_CAPABILITY_NO_EMAIL_ALARMS);
+	*capabilities = g_strdup (
+		CAL_STATIC_CAPABILITY_NO_EMAIL_ALARMS ","
+		CAL_STATIC_CAPABILITY_REFRESH_SUPPORTED
+		);
 
 	return GNOME_Evolution_Calendar_Success;
 }
@@ -284,7 +287,7 @@ retrieval_done (SoupSession *session, SoupMessage *msg, ECalBackendHttp *cbhttp)
 	icalcomponent *icalcomp, *subcomp;
 	icalcomponent_kind kind;
 	const gchar *newuri;
-       SoupURI *uri_parsed;
+	SoupURI *uri_parsed;
 	GHashTable *old_cache;
 	GSList *comps_in_cache;
 
@@ -688,6 +691,29 @@ e_cal_backend_http_open (ECalBackendSync *backend, EDataCal *cal, gboolean only_
 }
 
 static ECalBackendSyncStatus
+e_cal_backend_http_refresh (ECalBackendSync *backend, EDataCal *cal)
+{
+	ECalBackendHttp *cbhttp;
+	ECalBackendHttpPrivate *priv;
+
+	cbhttp = E_CAL_BACKEND_HTTP (backend);
+	priv = cbhttp->priv;
+
+	if (!priv->opened ||
+	    priv->is_loading)
+		return GNOME_Evolution_Calendar_Success;
+
+	if (priv->reload_timeout_id)
+		g_source_remove (priv->reload_timeout_id);
+	priv->reload_timeout_id = 0;
+
+	/* wait a second, then start reloading */
+	priv->reload_timeout_id = g_timeout_add (1000, (GSourceFunc) reload_cb, cbhttp);
+
+	return GNOME_Evolution_Calendar_Success;
+}
+
+static ECalBackendSyncStatus
 e_cal_backend_http_remove (ECalBackendSync *backend, EDataCal *cal)
 {
 	ECalBackendHttp *cbhttp;
@@ -740,34 +766,39 @@ e_cal_backend_http_set_mode (ECalBackend *backend, CalMode mode)
 	ECalBackendHttpPrivate *priv;
 	GNOME_Evolution_Calendar_CalMode set_mode;
 	gboolean loaded;
+
 	cbhttp = E_CAL_BACKEND_HTTP (backend);
 	priv = cbhttp->priv;
 
 	loaded = e_cal_backend_http_is_loaded (backend);
 
-	switch (mode) {
-		case CAL_MODE_LOCAL:
-			priv->mode = mode;
-			set_mode = cal_mode_to_corba (mode);
-			if (loaded && priv->reload_timeout_id) {
-				g_source_remove (priv->reload_timeout_id);
-				priv->reload_timeout_id = 0;
-			}
-			break;
-		case CAL_MODE_REMOTE:
-		case CAL_MODE_ANY:
-			priv->mode = mode;
-			set_mode = cal_mode_to_corba (mode);
-			if (loaded)
-				g_idle_add ((GSourceFunc) begin_retrieval_cb, backend);
-			break;
-
-			priv->mode = CAL_MODE_REMOTE;
-			set_mode = GNOME_Evolution_Calendar_MODE_REMOTE;
-			break;
-		default:
-			set_mode = GNOME_Evolution_Calendar_MODE_ANY;
-			break;
+	if (priv->mode != mode) {
+		switch (mode) {
+			case CAL_MODE_LOCAL:
+				priv->mode = mode;
+				set_mode = cal_mode_to_corba (mode);
+				if (loaded && priv->reload_timeout_id) {
+					g_source_remove (priv->reload_timeout_id);
+					priv->reload_timeout_id = 0;
+				}
+				break;
+			case CAL_MODE_REMOTE:
+			case CAL_MODE_ANY:
+				priv->mode = mode;
+				set_mode = cal_mode_to_corba (mode);
+				if (loaded)
+					g_idle_add ((GSourceFunc) begin_retrieval_cb, backend);
+				break;
+
+				priv->mode = CAL_MODE_REMOTE;
+				set_mode = GNOME_Evolution_Calendar_MODE_REMOTE;
+				break;
+			default:
+				set_mode = GNOME_Evolution_Calendar_MODE_ANY;
+				break;
+		}
+	} else {
+		set_mode = cal_mode_to_corba (priv->mode);
 	}
 
 	if (loaded) {
@@ -1356,6 +1387,7 @@ e_cal_backend_http_class_init (ECalBackendHttpClass *class)
 	sync_class->get_ldap_attribute_sync = e_cal_backend_http_get_ldap_attribute;
 	sync_class->get_static_capabilities_sync = e_cal_backend_http_get_static_capabilities;
 	sync_class->open_sync = e_cal_backend_http_open;
+	sync_class->refresh_sync = e_cal_backend_http_refresh;
 	sync_class->remove_sync = e_cal_backend_http_remove;
 	sync_class->create_object_sync = e_cal_backend_http_create_object;
 	sync_class->modify_object_sync = e_cal_backend_http_modify_object;
diff --git a/calendar/backends/weather/e-cal-backend-weather.c b/calendar/backends/weather/e-cal-backend-weather.c
index 6b8aa06..f16f949 100644
--- a/calendar/backends/weather/e-cal-backend-weather.c
+++ b/calendar/backends/weather/e-cal-backend-weather.c
@@ -458,7 +458,8 @@ e_cal_backend_weather_get_static_capabilities (ECalBackendSync *backend, EDataCa
 				  CAL_STATIC_CAPABILITY_NO_PROCEDURE_ALARMS  ","
 				  CAL_STATIC_CAPABILITY_NO_TASK_ASSIGNMENT  ","
 				  CAL_STATIC_CAPABILITY_NO_THISANDFUTURE  ","
-				  CAL_STATIC_CAPABILITY_NO_THISANDPRIOR);
+				  CAL_STATIC_CAPABILITY_NO_THISANDPRIOR ","
+				  CAL_STATIC_CAPABILITY_REFRESH_SUPPORTED);
 
 	return GNOME_Evolution_Calendar_Success;
 }
@@ -508,6 +509,29 @@ e_cal_backend_weather_open (ECalBackendSync *backend, EDataCal *cal, gboolean on
 }
 
 static ECalBackendSyncStatus
+e_cal_backend_weather_refresh (ECalBackendSync *backend, EDataCal *cal)
+{
+	ECalBackendWeather *cbw;
+	ECalBackendWeatherPrivate *priv;
+
+	cbw = E_CAL_BACKEND_WEATHER (backend);
+	priv = cbw->priv;
+
+	if (!priv->opened ||
+	    priv->is_loading)
+		return GNOME_Evolution_Calendar_Success;
+
+	if (priv->reload_timeout_id)
+		g_source_remove (priv->reload_timeout_id);
+	priv->reload_timeout_id = 0;
+
+	/* wait a second, then start reloading */
+	priv->reload_timeout_id = g_timeout_add (1000, (GSourceFunc) reload_cb, cbw);
+
+	return GNOME_Evolution_Calendar_Success;
+}
+
+static ECalBackendSyncStatus
 e_cal_backend_weather_remove (ECalBackendSync *backend, EDataCal *cal)
 {
 	ECalBackendWeather *cbw;
@@ -785,25 +809,29 @@ e_cal_backend_weather_set_mode (ECalBackend *backend, CalMode mode)
 
 	loaded = e_cal_backend_weather_is_loaded (backend);
 
-	switch (mode) {
-		case CAL_MODE_LOCAL:
-		case CAL_MODE_REMOTE:
-			priv->mode = mode;
-			set_mode = cal_mode_to_corba (mode);
-			if (loaded && priv->reload_timeout_id) {
-				g_source_remove (priv->reload_timeout_id);
-				priv->reload_timeout_id = 0;
-			}
-			break;
-		case CAL_MODE_ANY:
-			priv->mode = mode;
-			set_mode = cal_mode_to_corba (mode);
-			if (loaded && !priv->begin_retrival_id)
-				priv->begin_retrival_id = g_idle_add ((GSourceFunc) begin_retrieval_cb, backend);
-			break;
-		default:
-			set_mode = GNOME_Evolution_Calendar_MODE_ANY;
-			break;
+	if (priv->mode != mode) {
+		switch (mode) {
+			case CAL_MODE_LOCAL:
+			case CAL_MODE_REMOTE:
+				priv->mode = mode;
+				set_mode = cal_mode_to_corba (mode);
+				if (loaded && priv->reload_timeout_id) {
+					g_source_remove (priv->reload_timeout_id);
+					priv->reload_timeout_id = 0;
+				}
+				break;
+			case CAL_MODE_ANY:
+				priv->mode = mode;
+				set_mode = cal_mode_to_corba (mode);
+				if (loaded && !priv->begin_retrival_id)
+					priv->begin_retrival_id = g_idle_add ((GSourceFunc) begin_retrieval_cb, backend);
+				break;
+			default:
+				set_mode = GNOME_Evolution_Calendar_MODE_ANY;
+				break;
+		}
+	} else {
+		set_mode = cal_mode_to_corba (priv->mode);
 	}
 
 	if (loaded) {
@@ -939,6 +967,7 @@ e_cal_backend_weather_class_init (ECalBackendWeatherClass *class)
 	sync_class->get_ldap_attribute_sync = e_cal_backend_weather_get_ldap_attribute;
 	sync_class->get_static_capabilities_sync = e_cal_backend_weather_get_static_capabilities;
 	sync_class->open_sync = e_cal_backend_weather_open;
+	sync_class->refresh_sync = e_cal_backend_weather_refresh;
 	sync_class->remove_sync = e_cal_backend_weather_remove;
 	sync_class->discard_alarm_sync = e_cal_backend_weather_discard_alarm;
 	sync_class->receive_objects_sync = e_cal_backend_weather_receive_objects;
diff --git a/calendar/libecal/e-cal-util.h b/calendar/libecal/e-cal-util.h
index 9af0cfb..773c70a 100644
--- a/calendar/libecal/e-cal-util.h
+++ b/calendar/libecal/e-cal-util.h
@@ -127,6 +127,7 @@ gboolean e_cal_util_event_dates_match (icalcomponent *icalcomp1, icalcomponent *
 #define CAL_STATIC_CAPABILITY_NO_ORGANIZER		 "no-organizer"
 #define CAL_STATIC_CAPABILITY_DELEGATE_TO_MANY		 "delegate-to-many"
 #define CAL_STATIC_CAPABILITY_HAS_UNACCEPTED_MEETING     "has-unaccepted-meeting"
+#define CAL_STATIC_CAPABILITY_REFRESH_SUPPORTED      	 "refresh-supported"
 
 /* Recurrent events. Management for instances */
 icalcomponent *e_cal_util_construct_instance (icalcomponent *icalcomp,
diff --git a/calendar/libecal/e-cal.c b/calendar/libecal/e-cal.c
index 60950db..247c18f 100644
--- a/calendar/libecal/e-cal.c
+++ b/calendar/libecal/e-cal.c
@@ -1278,6 +1278,34 @@ e_cal_open_async (ECal *ecal, gboolean only_if_exists)
 }
 
 /**
+ * e_cal_refresh:
+ * @ecal: A calendar client.
+ * @error: Placeholder for error information.
+ *
+ * Invokes refresh on a calendar. See @e_cal_get_refresh_supported.
+ *
+ * Return value: TRUE if calendar supports refresh and it was invoked, FALSE otherwise.
+ **/
+gboolean
+e_cal_refresh (ECal *ecal, GError **error)
+{
+	ECalPrivate *priv;
+
+	e_return_error_if_fail (E_IS_CAL (ecal), E_CALENDAR_STATUS_INVALID_ARG);
+	priv = ecal->priv;
+	e_return_error_if_fail (priv->proxy, E_CALENDAR_STATUS_REPOSITORY_OFFLINE);
+
+	LOCK_CONN ();
+	if (!org_gnome_evolution_dataserver_calendar_Cal_refresh (priv->proxy, error)) {
+		UNLOCK_CONN ();
+		E_CALENDAR_CHECK_STATUS (E_CALENDAR_STATUS_CORBA_EXCEPTION, error);
+	}
+	UNLOCK_CONN ();
+
+	return TRUE;
+}
+
+/**
  * e_cal_remove:
  * @ecal: A calendar client.
  * @error: Placeholder for error information.
@@ -1769,6 +1797,23 @@ e_cal_get_organizer_must_accept (ECal *ecal)
 }
 
 /**
+ * e_cal_get_refresh_supported:
+ * @ecal: A calendar client.
+ *
+ * Checks whether a calendar supports explicit refreshing (see @e_cal_refresh).
+ *
+ * Return value: TRUE if the calendar supports refreshing, FALSE otherwise.
+ */
+gboolean
+e_cal_get_refresh_supported (ECal *ecal)
+{
+	g_return_val_if_fail (ecal != NULL, FALSE);
+	g_return_val_if_fail (E_IS_CAL (ecal), FALSE);
+
+	return check_capability (ecal, CAL_STATIC_CAPABILITY_REFRESH_SUPPORTED);
+}
+
+/**
  * e_cal_set_mode:
  * @ecal: A calendar client.
  * @mode: Mode to switch to.
diff --git a/calendar/libecal/e-cal.h b/calendar/libecal/e-cal.h
index 73f1dce..e088899 100644
--- a/calendar/libecal/e-cal.h
+++ b/calendar/libecal/e-cal.h
@@ -110,6 +110,7 @@ void e_cal_set_auth_func (ECal *ecal, ECalAuthFunc func, gpointer data);
 
 gboolean e_cal_open (ECal *ecal, gboolean only_if_exists, GError **error);
 void e_cal_open_async (ECal *ecal, gboolean only_if_exists);
+gboolean e_cal_refresh (ECal *ecal, GError **error);
 gboolean e_cal_remove (ECal *ecal, GError **error);
 
 GList *e_cal_uri_list (ECal *ecal, CalMode mode);
@@ -130,6 +131,7 @@ gboolean e_cal_get_organizer_must_attend (ECal *ecal);
 gboolean e_cal_get_save_schedules (ECal *ecal);
 gboolean e_cal_get_static_capability (ECal *ecal, const gchar *cap);
 gboolean e_cal_get_organizer_must_accept (ECal *ecal);
+gboolean e_cal_get_refresh_supported (ECal *ecal);
 
 gboolean e_cal_set_mode (ECal *ecal, CalMode mode);
 
diff --git a/calendar/libedata-cal/e-cal-backend-sync.c b/calendar/libedata-cal/e-cal-backend-sync.c
index a503ab0..57ab76a 100644
--- a/calendar/libedata-cal/e-cal-backend-sync.c
+++ b/calendar/libedata-cal/e-cal-backend-sync.c
@@ -211,6 +211,29 @@ e_cal_backend_sync_remove  (ECalBackendSync *backend, EDataCal *cal)
 }
 
 /**
+ * e_cal_backend_sync_refresh:
+ * @backend: An ECalBackendSync object.
+ * @cal: An EDataCal object.
+ *
+ * Calls the refresh method on the given backend.
+ *
+ * Return value: Status code.
+ */
+ECalBackendSyncStatus
+e_cal_backend_sync_refresh  (ECalBackendSync *backend, EDataCal *cal)
+{
+	ECalBackendSyncStatus status;
+
+	g_return_val_if_fail (backend && E_IS_CAL_BACKEND_SYNC (backend), GNOME_Evolution_Calendar_OtherError);
+	g_return_val_if_fail (E_CAL_BACKEND_SYNC_GET_CLASS (backend)->refresh_sync != NULL,
+			      GNOME_Evolution_Calendar_UnsupportedMethod);
+
+	LOCK_WRAPPER (refresh_sync, (backend, cal));
+
+	return status;
+}
+
+/**
  * e_cal_backend_sync_create_object:
  * @backend: An ECalBackendSync object.
  * @cal: An EDataCal object.
@@ -710,6 +733,16 @@ _e_cal_backend_open (ECalBackend *backend, EDataCal *cal, EServerMethodContext c
 }
 
 static void
+_e_cal_backend_refresh (ECalBackend *backend, EDataCal *cal, EServerMethodContext context)
+{
+	ECalBackendSyncStatus status;
+
+	status = e_cal_backend_sync_refresh (E_CAL_BACKEND_SYNC (backend), cal);
+
+	e_data_cal_notify_refresh (cal, context, status);
+}
+
+static void
 _e_cal_backend_remove (ECalBackend *backend, EDataCal *cal, EServerMethodContext context)
 {
 	ECalBackendSyncStatus status;
@@ -1072,6 +1105,7 @@ e_cal_backend_sync_class_init (ECalBackendSyncClass *klass)
 	backend_class->get_ldap_attribute = _e_cal_backend_get_ldap_attribute;
 	backend_class->get_static_capabilities = _e_cal_backend_get_static_capabilities;
 	backend_class->open = _e_cal_backend_open;
+	backend_class->refresh = _e_cal_backend_refresh;
 	backend_class->remove = _e_cal_backend_remove;
 	backend_class->create_object = _e_cal_backend_create_object;
 	backend_class->modify_object = _e_cal_backend_modify_object;
diff --git a/calendar/libedata-cal/e-cal-backend-sync.h b/calendar/libedata-cal/e-cal-backend-sync.h
index bf2a0f6..e5b13a9 100644
--- a/calendar/libedata-cal/e-cal-backend-sync.h
+++ b/calendar/libedata-cal/e-cal-backend-sync.h
@@ -39,6 +39,7 @@ struct _ECalBackendSyncClass {
 	ECalBackendSyncStatus (*get_static_capabilities_sync)  (ECalBackendSync *backend, EDataCal *cal, gchar **capabilities);
 
 	ECalBackendSyncStatus (*open_sync)  (ECalBackendSync *backend, EDataCal *cal, gboolean only_if_exists, const gchar *username, const gchar *password);
+	ECalBackendSyncStatus (*refresh_sync)  (ECalBackendSync *backend, EDataCal *cal);
 	ECalBackendSyncStatus (*remove_sync)  (ECalBackendSync *backend, EDataCal *cal);
 
 	ECalBackendSyncStatus (*create_object_sync)  (ECalBackendSync *backend, EDataCal *cal, gchar **calobj, gchar **uid);
@@ -98,8 +99,10 @@ ECalBackendSyncStatus e_cal_backend_sync_open                    (ECalBackendSyn
 								  gboolean         only_if_exists,
 								  const gchar *username,
 								  const gchar *password);
+ECalBackendSyncStatus e_cal_backend_sync_refresh                  (ECalBackendSync  *backend,
+							          EDataCal             *cal);
 ECalBackendSyncStatus e_cal_backend_sync_remove                  (ECalBackendSync  *backend,
-							       EDataCal             *cal);
+							          EDataCal             *cal);
 ECalBackendSyncStatus e_cal_backend_sync_create_object           (ECalBackendSync  *backend,
 								  EDataCal             *cal,
 								  gchar           **calobj,
diff --git a/calendar/libedata-cal/e-cal-backend.c b/calendar/libedata-cal/e-cal-backend.c
index 4e523c1..cc2d36c 100644
--- a/calendar/libedata-cal/e-cal-backend.c
+++ b/calendar/libedata-cal/e-cal-backend.c
@@ -636,6 +636,23 @@ e_cal_backend_open (ECalBackend *backend, EDataCal *cal, EServerMethodContext co
 }
 
 /**
+ * e_cal_backend_refresh:
+ * @backend: A calendar backend.
+ * @cal: An #EDataCal object.
+ *
+ * Refreshes the calendar being accessed by the given backend.
+ */
+void
+e_cal_backend_refresh (ECalBackend *backend, EDataCal *cal, EServerMethodContext context)
+{
+	g_return_if_fail (backend != NULL);
+	g_return_if_fail (E_IS_CAL_BACKEND (backend));
+
+	g_assert (CLASS (backend)->refresh != NULL);
+	(* CLASS (backend)->refresh) (backend, cal, context);
+}
+
+/**
  * e_cal_backend_remove:
  * @backend: A calendar backend.
  * @cal: An #EDataCal object.
diff --git a/calendar/libedata-cal/e-cal-backend.h b/calendar/libedata-cal/e-cal-backend.h
index be67b5e..a10077e 100644
--- a/calendar/libedata-cal/e-cal-backend.h
+++ b/calendar/libedata-cal/e-cal-backend.h
@@ -76,6 +76,7 @@ struct _ECalBackendClass {
 	void (* get_static_capabilities) (ECalBackend *backend, EDataCal *cal, EServerMethodContext context);
 
 	void (* open) (ECalBackend *backend, EDataCal *cal, EServerMethodContext context, gboolean only_if_exists, const gchar *username, const gchar *password);
+	void (* refresh) (ECalBackend *backend, EDataCal *cal, EServerMethodContext context);
 	void (* remove) (ECalBackend *backend, EDataCal *cal, EServerMethodContext context);
 
 	/* Object related virtual methods */
@@ -134,6 +135,7 @@ void e_cal_backend_get_ldap_attribute (ECalBackend *backend, EDataCal *cal, ESer
 void e_cal_backend_get_static_capabilities (ECalBackend *backend, EDataCal *cal, EServerMethodContext context);
 
 void e_cal_backend_open (ECalBackend *backend, EDataCal *cal, EServerMethodContext context, gboolean only_if_exists, const gchar *username, const gchar *password);
+void e_cal_backend_refresh (ECalBackend *backend, EDataCal *cal, EServerMethodContext context);
 void e_cal_backend_remove (ECalBackend *backend, EDataCal *cal, EServerMethodContext context);
 
 void e_cal_backend_create_object (ECalBackend *backend, EDataCal *cal, EServerMethodContext context, const gchar *calobj);
diff --git a/calendar/libedata-cal/e-data-cal-factory.c b/calendar/libedata-cal/e-data-cal-factory.c
index 0f078cc..814942d 100644
--- a/calendar/libedata-cal/e-data-cal-factory.c
+++ b/calendar/libedata-cal/e-data-cal-factory.c
@@ -403,6 +403,8 @@ impl_CalFactory_getCal (EDataCalFactory		*factory,
 
 		/* Track the backend */
 		g_hash_table_insert (priv->backends, g_strdup (uid_type_string), backend);
+
+		e_cal_backend_set_mode (backend, priv->mode);
 	} else if (!e_source_equal (source, e_cal_backend_get_source (backend))) {
 		/* source changed, update it in a backend */
 		update_source_in_backend (backend, source);
@@ -410,7 +412,6 @@ impl_CalFactory_getCal (EDataCalFactory		*factory,
 
 	calendar = e_data_cal_new (backend, source);
 	e_cal_backend_add_client (backend, calendar);
-	e_cal_backend_set_mode (backend, priv->mode);
 
 	path = construct_cal_factory_path ();
 	dbus_g_connection_register_g_object (connection, path, G_OBJECT (calendar));
diff --git a/calendar/libedata-cal/e-data-cal.c b/calendar/libedata-cal/e-data-cal.c
index 5797da0..10dcf37 100644
--- a/calendar/libedata-cal/e-data-cal.c
+++ b/calendar/libedata-cal/e-data-cal.c
@@ -43,6 +43,7 @@ DBusGConnection *connection;
 static void impl_Cal_get_uri (EDataCal *cal, DBusGMethodInvocation *context);
 static void impl_Cal_open (EDataCal *cal, gboolean only_if_exists, gchar *username, gchar *password, DBusGMethodInvocation *context);
 static gboolean impl_Cal_close (EDataCal *cal, GError **error);
+static void impl_Cal_refresh (EDataCal *cal, DBusGMethodInvocation *context);
 static void impl_Cal_remove (EDataCal *cal, DBusGMethodInvocation *context);
 static void impl_Cal_isReadOnly (EDataCal *cal, DBusGMethodInvocation *context);
 static void impl_Cal_getCalAddress (EDataCal *cal, DBusGMethodInvocation *context);
@@ -200,6 +201,13 @@ impl_Cal_close (EDataCal *cal, GError **error)
 	return TRUE;
 }
 
+/* EDataCal::refresh method */
+static void
+impl_Cal_refresh (EDataCal *cal, DBusGMethodInvocation *context)
+{
+	e_cal_backend_refresh (cal->priv->backend, cal, context);
+}
+
 /* EDataCal::remove method */
 static void
 impl_Cal_remove (EDataCal *cal, DBusGMethodInvocation *context)
@@ -557,6 +565,23 @@ e_data_cal_notify_open (EDataCal *cal, EServerMethodContext context, EDataCalCal
 }
 
 /**
+ * e_data_cal_notify_refresh:
+ * @cal: A calendar client interface.
+ * @status: Status code.
+ *
+ * Notifies listeners of the completion of the refresh method call.
+ */
+void
+e_data_cal_notify_refresh (EDataCal *cal, EServerMethodContext context, EDataCalCallStatus status)
+{
+	DBusGMethodInvocation *method = context;
+	if (status != Success)
+		dbus_g_method_return_error (method, g_error_new (E_DATA_CAL_ERROR, status, _("Cannot refresh calendar")));
+	else
+		dbus_g_method_return (method);
+}
+
+/**
  * e_data_cal_notify_remove:
  * @cal: A calendar client interface.
  * @status: Status code.
diff --git a/calendar/libedata-cal/e-data-cal.h b/calendar/libedata-cal/e-data-cal.h
index bae69e0..4cd5f1a 100644
--- a/calendar/libedata-cal/e-data-cal.h
+++ b/calendar/libedata-cal/e-data-cal.h
@@ -72,6 +72,7 @@ void e_data_cal_notify_static_capabilities (EDataCal *cal, EServerMethodContext
 					    const gchar *capabilities);
 
 void e_data_cal_notify_open   (EDataCal *cal, EServerMethodContext context, EDataCalCallStatus status);
+void e_data_cal_notify_refresh(EDataCal *cal, EServerMethodContext context, EDataCalCallStatus status);
 void e_data_cal_notify_remove (EDataCal *cal, EServerMethodContext context, EDataCalCallStatus status);
 
 void e_data_cal_notify_object_created  (EDataCal *cal, EServerMethodContext context, EDataCalCallStatus status,
diff --git a/calendar/libedata-cal/e-data-cal.xml b/calendar/libedata-cal/e-data-cal.xml
index 8b60530..d2f5087 100644
--- a/calendar/libedata-cal/e-data-cal.xml
+++ b/calendar/libedata-cal/e-data-cal.xml
@@ -32,6 +32,11 @@
 			<arg name="password" type="s" direction="in"/>
 		</method>
 
+		<method name="refresh">
+			<annotation name="org.freedesktop.DBus.GLib.CSymbol" value="impl_Cal_refresh"/>
+			<annotation name="org.freedesktop.DBus.GLib.Async" value=""/>
+		</method>		
+
 		<method name="close">
 			<annotation name="org.freedesktop.DBus.GLib.CSymbol" value="impl_Cal_close"/>
 		</method>
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