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-rw-r--r--calendar/cal-client/cal-listener.c116
-rw-r--r--calendar/cal-client/cal-listener.h10
2 files changed, 88 insertions, 38 deletions
diff --git a/calendar/cal-client/cal-listener.c b/calendar/cal-client/cal-listener.c
index 2c3ffe119d..8583a689c8 100644
--- a/calendar/cal-client/cal-listener.c
+++ b/calendar/cal-client/cal-listener.c
@@ -45,6 +45,8 @@ static void cal_listener_class_init (CalListenerClass *class);
static void cal_listener_init (CalListener *listener);
static void cal_listener_destroy (GtkObject *object);
+static void marshal_cal_loaded (GtkObject *object, GtkSignalFunc func, gpointer data, GtkArg *args);
+
static POA_GNOME_Calendar_Listener__vepv cal_listener_vepv;
static guint cal_listener_signals[LAST_SIGNAL];
@@ -108,8 +110,9 @@ cal_listener_class_init (CalListenerClass *class)
GTK_RUN_FIRST,
object_class->type,
GTK_SIGNAL_OFFSET (CalListenerClass, cal_loaded),
- gtk_marshal_NONE__POINTER,
- GTK_TYPE_NONE, 1,
+ marshal_cal_loaded,
+ GTK_TYPE_NONE, 2,
+ GTK_TYPE_ENUM,
GTK_TYPE_POINTER);
cal_listener_signals[OBJ_ADDED] =
gtk_signal_new ("obj_added",
@@ -155,20 +158,6 @@ cal_listener_init (CalListener *listener)
priv->cal = CORBA_OBJECT_NIL;
}
-/* Returns whether a CORBA object is nil */
-static gboolean
-corba_object_is_nil (CORBA_Object object)
-{
- CORBA_Environment ev;
- gboolean retval;
-
- CORBA_exception_init (&ev);
- retval = CORBA_Object_is_nil (object, &ev);
- CORBA_exception_free (&ev);
-
- return retval;
-}
-
/* Destroy handler for the calendar listener */
static void
cal_listener_destroy (GtkObject *object)
@@ -176,6 +165,7 @@ cal_listener_destroy (GtkObject *object)
CalListener *listener;
CalListenerPrivate *priv;
CORBA_Environment ev;
+ gboolean result;
g_return_if_fail (object != NULL);
g_return_if_fail (IS_CAL_LISTENER (object));
@@ -184,11 +174,20 @@ cal_listener_destroy (GtkObject *object)
priv = listener->priv;
CORBA_exception_init (&ev);
+ result = CORBA_Object_is_nil (priv->cal, &ev);
+
+ if (ev._major != CORBA_NO_EXCEPTION)
+ g_message ("cal_listener_destroy(): could not see if the calendar was NIL");
+ else if (!result) {
+ CORBA_exception_free (&ev);
- if (!CORBA_Object_is_nil (priv->cal, &ev)) {
- GNOME_Unknown_unref (priv->cal, &ev);
+ CORBA_exception_init (&ev);
CORBA_Object_release (priv->cal, &ev);
+
+ if (ev._major != CORBA_NO_EXCEPTION)
+ g_message ("cal_listener_destroy(): could not release the calendar");
}
+ CORBA_exception_free (&ev);
g_free (priv);
@@ -198,24 +197,72 @@ cal_listener_destroy (GtkObject *object)
+/* Marshalers */
+
+typedef void (* CalLoadedFunc) (GtkObject *object, gint status, gpointer cal, gpointer data);
+
+static void
+marshal_cal_loaded (GtkObject *object, GtkSignalFunc func, gpointer data, GtkArg *args)
+{
+ CalLoadedFunc rfunc;
+
+ rfunc = (CalLoadedFunc) func;
+ (* rfunc) (object, GTK_VALUE_ENUM (args[0]), GTK_VALUE_POINTER (args[1]), data);
+}
+
+
+
/* CORBA servant implementation */
/* Listener::cal_loaded method */
static void
Listener_cal_loaded (PortableServer_Servant servant,
+ GNOME_Calendar_Listener_LoadStatus status,
GNOME_Calendar_Cal cal,
CORBA_Environment *ev)
{
CalListener *listener;
CalListenerPrivate *priv;
+ CORBA_Environment aev;
+ GNOME_Calendar_Cal cal_copy;
+ CalListenerLoadStatus load_status;
listener = CAL_LISTENER (gnome_object_from_servant (servant));
priv = listener->priv;
- priv->cal = CORBA_Object_duplicate (cal, ev);
- GNOME_Unknown_ref (priv->cal);
+ if (priv->cal != CORBA_OBJECT_NIL) {
+ g_message ("Listener_cal_loaded(): calendar was already loaded!");
+ return;
+ }
+
+ CORBA_exception_init (&aev);
+ cal_copy = CORBA_Object_duplicate (cal, &aev);
+
+ if (aev._major != CORBA_NO_EXCEPTION) {
+ g_message ("Listener_cal_loaded(): could not duplicate the calendar");
+ CORBA_exception_free (&aev);
+ return;
+ }
+ CORBA_exception_free (&aev);
+
+ priv->cal = cal_copy;
+
+ switch (status) {
+ GNOME_Calendar_Listener_SUCESSS:
+ load_status = CAL_LISTENER_LOAD_SUCCESS;
+ break;
+
+ GNOME_Calendar_Listener_ERROR:
+ load_status = CAL_LISTENER_LOAD_ERROR;
+ break;
+
+ default:
+ load_status = CAL_LISTENER_LOAD_ERROR; /* keep gcc happy */
+ g_assert_not_reached ();
+ }
+
gtk_signal_emit (GTK_OBJECT (listener), cal_listener_signals[CAL_LOADED],
- cal);
+ load_status, cal);
}
/* Listener::obj_added method */
@@ -281,20 +328,6 @@ cal_listener_get_epv (void)
-/* Returns whether a CORBA object is nil */
-static gboolean
-corba_object_is_nil (CORBA_Object object)
-{
- CORBA_Environment ev;
- gboolean retval;
-
- CORBA_exception_init (&ev);
- retval = CORBA_Object_is_nil (object, &ev);
- CORBA_exception_free (&ev);
-
- return retval;
-}
-
/**
* cal_listener_construct:
* @listener: A calendar listener.
@@ -310,7 +343,6 @@ cal_listener_construct (CalListener *listener, GNOME_Calendar_Listener corba_lis
{
g_return_val_if_fail (listener != NULL, NULL);
g_return_val_if_fail (IS_CAL_LISTENER (listener), NULL);
- g_return_val_if_fail (!corba_object_is_nil (corba_listener), NULL);
gnome_object_construct (GNOME_OBJECT (listener), corba_listener);
return listener;
@@ -363,14 +395,24 @@ CalListener *
cal_listener_new (void)
{
CalListener *listener;
+ CORBA_Environment ev;
GNOME_Calendar_Listener corba_listener;
+ gboolean result;
listener = gtk_type_new (CAL_LISTENER_TYPE);
+
corba_listener = cal_listener_corba_object_create (GNOME_OBJECT (listener));
- if (corba_object_is_nil (corba_listener)) {
+
+ CORBA_exception_init (&ev);
+ result = CORBA_Object_is_nil (corba_listener, &ev);
+
+ if (ev._major != CORBA_NO_EXCEPTION || result) {
+ g_message ("cal_listener_new(): could not create the CORBA listener");
gtk_object_destroy (listener);
+ CORBA_exception_free (&ev);
return NULL;
}
+ CORBA_exception_free (&ev);
return cal_listener_construct (listener, corba_listener);
}
diff --git a/calendar/cal-client/cal-listener.h b/calendar/cal-client/cal-listener.h
index 41665b2b58..c8d26dab80 100644
--- a/calendar/cal-client/cal-listener.h
+++ b/calendar/cal-client/cal-listener.h
@@ -40,6 +40,12 @@ BEGIN_GNOME_DECLS
typedef struct _CalListener CalListener;
typedef struct _CalListenerClass CalListenerClass;
+/* Load status for the cal_loaded signal. We need better error reporting. */
+typedef enum {
+ CAL_LISTENER_LOAD_SUCCESS,
+ CAL_LISTENER_LOAD_ERROR
+} CalListenerLoadStatus;
+
struct _CalListener {
GnomeObject object;
@@ -50,7 +56,9 @@ struct _CalListener {
struct _CalListenerClass {
GnomeObjectClass parent_class;
- void (* cal_loaded) (CalListener *listener, GNOME_Calendar_Cal cal);
+ void (* cal_loaded) (CalListener *listener,
+ CalListenerLoadStatus status,
+ GNOME_Calendar_Cal cal);
void (* obj_added) (CalListener *listener, GNOME_Calendar_CalObj calobj);
void (* obj_removed) (CalListener *listener, GNOME_Calendar_CalObjUID uid);
void (* obj_changed) (CalListener *listener, GNOME_Calendar_CalObj calobj);