/* GNOME calendar factory
*
* 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-factory.h"
/* Private part of the CalFactory structure */
typedef struct {
/* Hash table from canonized uris to loaded calendars */
GHashTable *calendars;
} CalFactoryPrivate;
static void cal_factory_class_init (CalFactoryClass *class);
static void cal_factory_init (CalFactory *factory);
static void cal_factory_destroy (GtkObject *object);
static POA_GNOME_Calendar_CalFactory__vepv cal_factory_vepv;
static GnomeObjectClass *parent_class;
/**
* cal_factory_get_type:
* @void:
*
* Registers the #CalFactory class if necessary, and returns the type ID
* associated to it.
*
* Return value: The type ID of the #CalFactory class.
**/
GtkType
cal_factory_get_type (void)
{
static GtkType cal_factory_type = 0;
if (!cal_factory_type) {
static const GtkTypeInfo cal_factory_info = {
"CalFactory",
sizeof (CalFactory),
sizeof (CalFactoryClass),
(GtkClassInitFunc) cal_factory_class_init,
(GtkObjectInitFunc) cal_factory_init,
NULL, /* reserved_1 */
NULL, /* reserved_2 */
(GtkClassInitFunc) NULL
};
cal_factory_type = gtk_type_unique (gnome_object_get_type (), &cal_factory_info);
}
return cal_factory_type;
}
/* CORBA class initialization function for the calendar factory */
static void
init_cal_factory_corba_class (void)
{
cal_factory_vepv.GNOME_Unknown_epv = gnome_object_get_epv ();
cal_factory_vepv.GNOME_Calendar_CalFactory_epv = cal_factory_get_epv ();
}
/* Class initialization function for the calendar factory */
static void
cal_factory_class_init (CalFactoryClass *class)
{
GtkObjectClass *parent_class;
object_class = (GtkObjectClass *) class;
parent_class = gtk_type_class (gnome_object_get_type ());
object_class->destroy = cal_factory_destroy;
init_cal_factory_corba_class ();
}
/* Object initialization function for the calendar factory */
static void
cal_factory_init (CalFactory *factory)
{
CalFactoryPrivate *priv;
priv = g_new0 (CalFactoryPrivate, 1);
factory->priv = priv;
priv->calendars = g_hash_table_new (g_str_hash, g_str_equal);
}
/* Destroy handler for the calendar */
static void
cal_factory_destroy (GtkObject *object)
{
CalFactory *factory;
CalFactoryPrivate *priv;
g_return_if_fail (object != NULL);
g_return_if_fail (IS_CAL_FACTORY (object));
factory = CAL_FACTORY (object);
priv = factory->priv;
g_free (priv);
if (GTK_OBJECT_CLASS (parent_class)->destroy)
(* GTK_OBJECT_CLASS (parent_class)->destroy) (object);
}
/* CORBA servant implementation */
/* CalFactory::load method */
static void
CalFactory_load (PortableServer_Servant servant,
CORBA_char *uri,
GNOME_Calendar_Listener listener,
CORBA_Environment *ev)
{
CalFactory *factory;
CalFactoryPrivate *priv;
factory = CAL_FACTORY (gnome_object_from_servant (servant));
priv = factory->priv;
cal_factory_load (factory, uri, listener);
}
/* CalFactory::create method */
static GNOME_Calendar_Cal
CalFactory_create (PortableServer_Servant servant,
CORBA_char *uri,
CORBA_Environment *ev)
{
CalFactory *factory;
CalFactoryPrivate *priv;
factory = CAL_FACTORY (gnome_object_from_servant (servant));
priv = factory->priv;
return cal_factory_create (factory, uri);
}
POA_GNOME_Calendar_CalFactory__epv *
cal_factory_get_epv (void)
{
POA_GNOME_Calendar_CalFactory__epv *epv;
epv = g_new0 (POA_GNOME_Calendar_CalFactory__epv, 1);
epv->load = CalFactory_load;
epv->create = CalFactory_create;
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_factory_construct:
* @factory: A calendar factory.
* @corba_factory: CORBA object for the calendar factory.
*
* Constructs a calendar factory by binding the corresponding CORBA object to
* it.
*
* Return value: The same object as the @factory argument.
**/
CalFactory *
cal_factory_construct (CalFactory *factory, GNOME_Calendar_CalFactory corba_factory)
{
g_return_val_if_fail (factory != NULL, NULL);
g_return_val_if_fail (IS_CAL_FACTORY (factory), NULL);
g_return_val_if_fail (!corba_object_is_nil (corba_factory), NULL);
gnome_object_construct (GNOME_OBJECT (factory), corba_factory);
return factory;
}
/**
* cal_factory_corba_object_create:
* @object: #GnomeObject that will wrap the CORBA object.
*
* Creates and activates the CORBA object that is wrapped by the specified
* calendar factory @object.
*
* Return value: An activated object reference or #CORBA_OBJECT_NIL in case of
* failure.
**/
GNOME_Calendar_CalFactory
cal_factory_corba_object_create (GnomeObject *object)
{
POA_GNOME_Calendar_CalFactory *servant;
CORBA_Environment ev;
g_return_val_if_fail (object != NULL, CORBA_OBJECT_NIL);
g_return_val_if_fail (IS_CAL_FACTORY (object), CORBA_OBJECT_NIL);
servant = (POA_GNOME_Calendar_CalFactory *) g_new0 (GnomeObjectServant, 1);
servant->vepv = &cal_factory_vepv;
CORBA_exception_init (&ev);
POA_GNOME_Calendar_CalFactory__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_CalFactory) gnome_object_activate_servant (object, servant);
}
/**
* cal_factory_new:
* @void:
*
* Creates a new #CalFactory object.
*
* Return value: A newly-created #CalFactory, or NULL if its corresponding CORBA
* object could not be created.
**/
CalFactory *
cal_factory_new (void)
{
CalFactory *factory;
GNOME_Calendar_CalFactory corba_factory;
factory = gtk_type_new (CAL_FACTORY_TYPE);
corba_factory = cal_factory_corba_object_create (GNOME_OBJECT (factory));
if (corba_object_is_nil (corba_factory)) {
gtk_object_destroy (factory);
return NULL;
}
return cal_factory_construct (factory, corba_factory);
}
