2 files changed, 380 insertions, 0 deletions
diff --git a/calendar/cal-client/cal-listener.c b/calendar/cal-client/cal-listener.c
new file mode 100644
index 0000000000..3c6e3c57f7
--- /dev/null
+++ b/calendar/cal-client/cal-listener.c
@@ -0,0 +1,310 @@
+/* GNOME calendar listener
+ *
+ * Copyright (C) 2000 Helix Code, Inc.
+ *
+ * Author: Federico Mena-Quintero <federico@helixcode.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, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+#include <config.h>
+#include "cal-listener.h"
+
+
+
+/* Signal IDs */
+enum {
+	CAL_LOADED,
+	OBJ_ADDED,
+	OBJ_REMOVED,
+	OBJ_CHANGED,
+	LAST_SIGNAL
+};
+
+static void cal_listener_class_init (CalListenerClass *class);
+
+static POA_GNOME_Calendar_Listener__vepv cal_listener_vepv;
+
+static guint cal_listener_signals[LAST_SIGNAL];
+
+
+
+/**
+ * cal_listener_get_type:
+ * @void:
+ *
+ * Registers the #CalListener class if necessary, and returns the type ID
+ * associated to it.
+ *
+ * Return value: The type ID of the #CalListener class.
+ **/
+GtkType
+cal_listener_get_type (void)
+{
+	static GtkType cal_listener_type = 0;
+
+	if (!cal_listener_type) {
+		static const GtkTypeInfo cal_listener_info = {
+			"CalListener",
+			sizeof (CalListener),
+			sizeof (CalListenerClass),
+			(GtkClassInitFunc) cal_listener_class_init,
+			(GtkObjectInitFunc) NULL,
+			NULL, /* reserved_1 */
+			NULL, /* reserved_2 */
+			(GtkClassInitFunc) NULL
+		};
+
+		cal_listener_type = gtk_type_unique (gnome_object_get_type (), &cal_listener_info);
+	}
+
+	return cal_listener_type;
+}
+
+/* CORBA class initialization function for the calendar listener */
+static void
+init_cal_listener_corba_class (void)
+{
+	cal_listener_vepv.GNOME_Unknown_epv = gnome_object_get_epv ();
+	cal_listener_vepv.GNOME_Calendar_Listener_epv = cal_listener_get_epv ();
+}
+
+/* Class initialization function for the calendar listener */
+static void
+cal_listener_class_init (CalListenerClass *class)
+{
+	GtkObjectClass *object_class;
+
+	object_class = (GtkObjectClass *) class;
+
+	cal_listener_signals[CAL_LOADED] =
+		gtk_signal_new ("cal_loaded",
+				GTK_RUN_FIRST,
+				object_class->type,
+				GTK_SIGNAL_OFFSET (CalListenerClass, cal_loaded),
+				gtk_marshal_NONE__POINTER_POINTER,
+				GTK_TYPE_NONE, 2,
+				GTK_TYPE_POINTER,
+				GTK_TYPE_POINTER);
+	cal_listener_signals[OBJ_ADDED] =
+		gtk_signal_new ("obj_added",
+				GTK_RUN_FIRST,
+				object_class->type,
+				GTK_SIGNAL_OFFSET (CalListenerClass, obj_added),
+				gtk_marshal_NONE__POINTER_POINTER,
+				GTK_TYPE_NONE, 2,
+				GTK_TYPE_POINTER,
+				GTK_TYPE_POINTER);
+	cal_listener_signals[OBJ_REMOVED] =
+		gtk_signal_new ("obj_removed",
+				GTK_RUN_FIRST,
+				object_class->type,
+				GTK_SIGNAL_OFFSET (CalListenerClass, obj_removed),
+				gtk_marshal_NONE__POINTER_POINTER,
+				GTK_TYPE_NONE, 2,
+				GTK_TYPE_POINTER,
+				GTK_TYPE_POINTER);
+	cal_listener_signals[OBJ_CHANGED] =
+		gtk_signal_new ("obj_changed",
+				GTK_RUN_FIRST,
+				object_class->type,
+				GTK_SIGNAL_OFFSET (CalListenerClass, obj_changed),
+				gtk_marshal_NONE__POINTER_POINTER,
+				GTK_TYPE_NONE, 2,
+				GTK_TYPE_POINTER,
+				GTK_TYPE_POINTER);
+
+	gtk_object_class_add_signals (object_class, cal_listener_signals, LAST_SIGNAL);
+
+	init_cal_listener_corba_class ();
+}
+
+
+
+/* CORBA servant implementation */
+
+/* Listener::cal_loaded method */
+static void
+Listener_cal_loaded (PortableServer_Servant servant,
+		     GNOME_Calendar_Cal cal,
+		     GNOME_Calendar_CalObj calobj,
+		     CORBA_Environment *ev)
+{
+	CalListener *listener;
+
+	listener = CAL_LISTENER (gnome_object_from_servant (servant));
+	gtk_signal_emit (GTK_OBJECT (listener), cal_listener_signals[CAL_LOADED],
+			 cal, calobj);
+}
+
+/* Listener::obj_added method */
+static void
+Listener_obj_added (PortableServer_Servant servant,
+		    GNOME_Calendar_Cal cal,
+		    GNOME_Calendar_CalObj calobj,
+		    CORBA_Environment *ev)
+{
+	CalListener *listener;
+
+	listener = CAL_LISTENER (gnome_object_from_servant (servant));
+	gtk_signal_emit (GTK_OBJECT (listener), cal_listener_signals[OBJ_ADDED],
+			 cal, calobj);
+}
+
+/* Listener::obj_removed method */
+static void
+Listener_obj_removed (PortableServer_Servant servant,
+		      GNOME_Calendar_Cal cal,
+		      GNOME_Calendar_CalObjUID uid,
+		      CORBA_Environment *ev)
+{
+	CalListener *listener;
+
+	listener = CAL_LISTENER (gnome_object_from_servant (servant));
+	gtk_signal_emit (GTK_OBJECT (listener), cal_listener_signals[OBJ_REMOVED],
+			 cal, uid);
+}
+
+/* Listener::obj_changed method */
+static void
+Listener_obj_changed (PortableServer_Servant servant,
+		      GNOME_Calendar_Cal cal,
+		      GNOME_Calendar_CalObj calobj,
+		      CORBA_Environment *ev)
+{
+	CalListener *listener;
+
+	listener = CAL_LISTENER (gnome_object_from_servant (servant));
+	gtk_signal_emit (GTK_OBJECT (listener), cal_listener_signals[OBJ_CHANGED],
+			 cal, calobj);
+}
+
+/**
+ * cal_listener_get_epv:
+ * @void:
+ *
+ * Creates an EPV for the Listener CORBA class.
+ *
+ * Return value: A newly-allocated EPV.
+ **/
+POA_GNOME_Calendar_Listener__epv *
+cal_listener_get_epv (void)
+{
+	POA_GNOME_Calendar_Listener__epv *epv;
+
+	epv = g_new0 (POA_GNOME_Calendar_Listener__epv, 1);
+	epv->cal_loaded = Listener_cal_loaded;
+	epv->obj_added = Listener_obj_added;
+	epv->obj_removed = Listener_obj_removed;
+	epv->obj_changed = Listener_obj_changed;
+
+	return epv;
+}
+
+
+
+/* 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.
+ * @corba_listener: CORBA object for the calendar listener.
+ *
+ * Constructs a calendar listener by binding the corresponding CORBA object to
+ * it.
+ *
+ * Return value: the same object as the @listener argument.
+ **/
+CalListener *
+cal_listener_construct (CalListener *listener, GNOME_Calendar_Listener corba_listener)
+{
+	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;
+}
+
+/**
+ * cal_listener_corba_object_create:
+ * @object: #GnomeObject that will wrap the CORBA object.
+ *
+ * Creates and activates the CORBA object that is wrapped by the specified
+ * calendar listener @object.
+ *
+ * Return value: An activated object reference or #CORBA_OBJECT_NIL in case of
+ * failure.
+ **/
+GNOME_Calendar_Listener
+cal_listener_corba_object_create (GnomeObject *object)
+{
+	POA_GNOME_Calendar_Listener *servant;
+	CORBA_Environment ev;
+
+	g_return_val_if_fail (object != NULL, CORBA_OBJECT_NIL);
+	g_return_val_if_fail (IS_CAL_LISTENER (object), CORBA_OBJECT_NIL);
+
+	servant = (POA_GNOME_Calendar_Listener *) g_new0 (GnomeObjectServant, 1);
+	servant->vepv = &cal_listener_vepv;
+
+	CORBA_exception_init (&ev);
+	POA_GNOME_Calendar_Listener__init ((PortableServer_Servant) servant, &ev);
+	if (ev._major != CORBA_NO_EXCEPTION) {
+		g_free (servant);
+		CORBA_exception_free (&ev);
+		return CORBA_OBJECT_NIL;
+	}
+
+	CORBA_exception_free (&ev);
+	return (GNOME_Calendar_Listener) gnome_object_activate_servant (object, servant);
+}
+
+/**
+ * cal_listener_new:
+ * @void:
+ *
+ * Creates a new #CalListener object.
+ *
+ * Return value: A newly-created #CalListener, or NULL if its corresponding
+ * CORBA object could not be created.
+ **/
+CalListener *
+cal_listener_new (void)
+{
+	CalListener *listener;
+	GNOME_Calendar_Listener corba_listener;
+
+	listener = gtk_type_new (CAL_LISTENER_TYPE);
+	corba_listener = cal_listener_corba_object_create (GNOME_OBJECT (listener));
+	if (corba_object_is_nil (corba_listener)) {
+		gtk_object_destroy (listener);
+		return NULL;
+	}
+
+	return cal_listener_construct (listener, corba_listener);
+}
diff --git a/calendar/cal-client/cal-listener.h b/calendar/cal-client/cal-listener.h
new file mode 100644
index 0000000000..aa502f3fb3
--- /dev/null
+++ b/calendar/cal-client/cal-listener.h
@@ -0,0 +1,70 @@
+/* GNOME calendar listener
+ *
+ * Copyright (C) 2000 Helix Code, Inc.
+ *
+ * Author: Federico Mena-Quintero <federico@helixcode.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, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+#ifndef CAL_LISTENER_H
+#define CAL_LISTENER_H
+
+#include <libgnome/gnome-defs.h>
+#include <bonobo/gnome-object.h>
+#include "gnome-calendar.h"
+
+BEGIN_GNOME_DECLS
+
+
+
+#define CAL_LISTENER_TYPE            (cal_listener_get_type ())
+#define CAL_LISTENER(obj)            (GTK_CHECK_CAST ((obj), CAL_LISTENER_TYPE, CalListener))
+#define CAL_LISTENER_CLASS(klass)    (GTK_CHECK_CLASS_CAST ((klass), CAL_LISTENER_TYPE,	\
+				      CalListenerClass))
+#define IS_CAL_LISTENER(obj)         (GTK_CHECK_TYPE ((obj), CAL_LISTENER_TYPE))
+#define IS_CAL_LISTENER_CLASS(klass) (GTK_CHECK_CLASS_TYPE ((klass), CAL_LISTENER_TYPE))
+
+typedef struct _CalListener CalListener;
+typedef struct _CalListenerClass CalListenerClass;
+
+struct _CalListener {
+	GnomeObject object;
+};
+
+struct _CalListenerClass {
+	GnomeObjectClass parent_class;
+
+	void (* cal_loaded) (CalListener *listener, GNOME_Calendar_Cal cal,
+			     GNOME_Calendar_CalObj calobj);
+	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);
+};
+
+GtkType cal_listener_get_type (void);
+
+CalListener *cal_listener_construct (CalListener *listener, GNOME_Calendar_Listener corba_listener);
+GNOME_Calendar_Listener cal_listener_corba_object_create (GnomeObject *object);
+
+CalListener *cal_listener_new (void);
+
+POA_GNOME_Calendar_Listener__epv *cal_listener_get_epv (void);
+
+
+
+END_GNOME_DECLS
+
+#endif