/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */
/* e-component-registry.c
*
* Copyright (C) 2000, 2001, 2002 Ximian, Inc.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of version 2 of the GNU General Public
* License as published by the Free Software Foundation.
*
* 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.
*
* Author: Ettore Perazzoli
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include "e-component-registry.h"
#include "e-shell-utils.h"
#include "e-util/e-lang-utils.h"
#include <libgnome/gnome-i18n.h>
#include <gal/util/e-util.h>
#include <bonobo/bonobo-object.h>
#include <bonobo/bonobo-exception.h>
#include <string.h>
#include <stdlib.h>
#define PARENT_TYPE G_TYPE_OBJECT
static GObjectClass *parent_class = NULL;
struct _EComponentRegistryPrivate {
GSList *infos;
};
/* EComponentInfo handling. */
static EComponentInfo *
component_info_new (const char *id,
const char *alias,
const char *button_label,
int sort_order,
GdkPixbuf *button_icon)
{
EComponentInfo *info = g_new0 (EComponentInfo, 1);
info->id = g_strdup (id);
info->alias = g_strdup (alias);
info->button_label = g_strdup (button_label);
info->sort_order = sort_order;
info->button_icon = button_icon;
g_object_ref (button_icon);
return info;
}
static void
component_info_free (EComponentInfo *info)
{
g_free (info->id);
g_free (info->alias);
g_free (info->button_label);
if (info->iface != NULL)
bonobo_object_release_unref (info->iface, NULL);
g_free (info);
}
static int
component_info_compare_func (EComponentInfo *a,
EComponentInfo *b)
{
if (a->sort_order != b->sort_order)
return a->sort_order - b->sort_order;
return strcmp (a->button_label, b->button_label);
}
/* Utility methods. */
static void
query_components (EComponentRegistry *registry)
{
Bonobo_ServerInfoList *info_list;
CORBA_Environment ev;
GSList *language_list;
int i;
CORBA_exception_init (&ev);
info_list = bonobo_activation_query ("repo_ids.has ('IDL:GNOME/Evolution/Component:1.0')", NULL, &ev);
if (BONOBO_EX (&ev)) {
char *ex_text = bonobo_exception_get_text (&ev);
g_warning ("Cannot query for components: %s\n", ex_text);
g_free (ex_text);
CORBA_exception_free (&ev);
return;
}
language_list = e_get_language_list ();
for (i = 0; i < info_list->_length; i++) {
const char *id;
const char *label;
const char *alias;
const char *icon_name;
const char *sort_order_string;
GdkPixbuf *icon;
int sort_order;
id = info_list->_buffer[i].iid;
label = bonobo_server_info_prop_lookup (& info_list->_buffer[i], "evolution:button_label", language_list);
if (label == NULL)
label = g_strdup (_("Unknown"));
alias = bonobo_server_info_prop_lookup (& info_list->_buffer[i], "evolution:component_alias", NULL);
icon_name = bonobo_server_info_prop_lookup (& info_list->_buffer[i], "evolution:button_icon", NULL);
if (icon_name == NULL) {
icon = NULL;
} else {
char *full_path = e_shell_get_icon_path (icon_name, TRUE);
icon = gdk_pixbuf_new_from_file (full_path, NULL);
}
sort_order_string = bonobo_server_info_prop_lookup (& info_list->_buffer[i],
"evolution:button_sort_order", NULL);
if (sort_order_string == NULL)
sort_order = 0;
else
sort_order = atoi (sort_order_string);
registry->priv->infos = g_slist_prepend (registry->priv->infos,
component_info_new (id, alias, label, sort_order, icon));
if (icon != NULL)
g_object_unref (icon);
}
CORBA_free (info_list);
CORBA_exception_free (&ev);
registry->priv->infos = g_slist_sort (registry->priv->infos,
(GCompareFunc) component_info_compare_func);
}
/* GObject methods. */
static void
impl_finalize (GObject *object)
{
EComponentRegistry *component_registry;
EComponentRegistryPrivate *priv;
component_registry = E_COMPONENT_REGISTRY (object);
priv = component_registry->priv;
g_slist_foreach (priv->infos, (GFunc) component_info_free, NULL);
g_free (priv);
(* G_OBJECT_CLASS (parent_class)->finalize) (object);
}
static void
class_init (EComponentRegistryClass *klass)
{
GObjectClass *object_class;
object_class = G_OBJECT_CLASS (klass);
object_class->finalize = impl_finalize;
parent_class = g_type_class_ref(PARENT_TYPE);
}
static void
init (EComponentRegistry *registry)
{
registry->priv = g_new0 (EComponentRegistryPrivate, 1);
query_components (registry);
}
EComponentRegistry *
e_component_registry_new (void)
{
return g_object_new (e_component_registry_get_type (), NULL);
}
GSList *
e_component_registry_peek_list (EComponentRegistry *registry)
{
g_return_val_if_fail (E_IS_COMPONENT_REGISTRY (registry), NULL);
return registry->priv->infos;
}
EComponentInfo *
e_component_registry_peek_info (EComponentRegistry *registry,
const char *id)
{
GSList *p;
g_return_val_if_fail (E_IS_COMPONENT_REGISTRY (registry), NULL);
for (p = registry->priv->infos; p != NULL; p = p->next) {
EComponentInfo *info = p->data;
if (strcmp (info->id, id) == 0)
return info;
}
return NULL;
}
GNOME_Evolution_Component
e_component_registry_activate (EComponentRegistry *registry,
const char *id,
CORBA_Environment *ev)
{
EComponentInfo *info;
g_return_val_if_fail (E_IS_COMPONENT_REGISTRY (registry), CORBA_OBJECT_NIL);
info = e_component_registry_peek_info (registry, id);
if (info == NULL) {
g_warning (G_GNUC_FUNCTION " - Unknown id \"%s\"", id);
return CORBA_OBJECT_NIL;
}
if (info->iface != CORBA_OBJECT_NIL)
return bonobo_object_dup_ref (info->iface, NULL);
info->iface = bonobo_activation_activate_from_id (info->id, 0, NULL, ev);
if (BONOBO_EX (ev) || info->iface == CORBA_OBJECT_NIL) {
info->iface = CORBA_OBJECT_NIL;
return CORBA_OBJECT_NIL;
}
return bonobo_object_dup_ref (info->iface, NULL);
}
E_MAKE_TYPE (e_component_registry, "EComponentRegistry", EComponentRegistry,
class_init, init, PARENT_TYPE)
