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/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */
/* e-uri-schema-registry.c
*
* Copyright (C) 2001 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 <ettore@ximian.com>
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include "e-uri-schema-registry.h"
#include <gal/util/e-util.h>
#define PARENT_TYPE gtk_object_get_type ()
static GtkObjectClass *parent_class = NULL;
struct _SchemaHandler {
char *schema;
EvolutionShellComponentClient *component;
};
typedef struct _SchemaHandler SchemaHandler;
struct _EUriSchemaRegistryPrivate {
GHashTable *schema_to_handler;
};
/* SchemaHandler. */
static SchemaHandler *
schema_handler_new (const char *schema,
EvolutionShellComponentClient *component)
{
SchemaHandler *handler;
handler = g_new (SchemaHandler, 1);
handler->schema = g_strdup (schema);
handler->component = component;
bonobo_object_ref (BONOBO_OBJECT (component));
return handler;
}
static void
schema_handler_free (SchemaHandler *handler)
{
g_free (handler->schema);
bonobo_object_unref (BONOBO_OBJECT (handler->component));
g_free (handler);
}
static void
schema_to_handler_destroy_foreach_callback (void *key,
void *value,
void *data)
{
schema_handler_free ((SchemaHandler *) value);
}
/* GtkObject methods. */
static void
impl_destroy (GtkObject *object)
{
EUriSchemaRegistry *registry;
EUriSchemaRegistryPrivate *priv;
registry = E_URI_SCHEMA_REGISTRY (object);
priv = registry->priv;
g_hash_table_foreach (priv->schema_to_handler, schema_to_handler_destroy_foreach_callback, NULL);
g_hash_table_destroy (priv->schema_to_handler);
g_free (priv);
(* GTK_OBJECT_CLASS (parent_class)->destroy) (object);
}
static void
class_init (GtkObjectClass *object_class)
{
parent_class = gtk_type_class (PARENT_TYPE);
object_class->destroy = impl_destroy;
}
static void
init (EUriSchemaRegistry *uri_schema_registry)
{
EUriSchemaRegistryPrivate *priv;
priv = g_new (EUriSchemaRegistryPrivate, 1);
priv->schema_to_handler = g_hash_table_new (g_str_hash, g_str_equal);
uri_schema_registry->priv = priv;
GTK_OBJECT_UNSET_FLAGS (uri_schema_registry, GTK_FLOATING);
}
EUriSchemaRegistry *
e_uri_schema_registry_new (void)
{
EUriSchemaRegistry *registry;
registry = gtk_type_new (e_uri_schema_registry_get_type ());
return registry;
}
void
e_uri_schema_registry_set_handler_for_schema (EUriSchemaRegistry *registry,
const char *schema,
EvolutionShellComponentClient *shell_component)
{
EUriSchemaRegistryPrivate *priv;
SchemaHandler *existing_handler;
SchemaHandler *new_handler;
g_return_if_fail (registry != NULL);
g_return_if_fail (E_IS_URI_SCHEMA_REGISTRY (registry));
g_return_if_fail (schema != NULL);
g_return_if_fail (shell_component == NULL || EVOLUTION_IS_SHELL_COMPONENT_CLIENT (shell_component));
priv = registry->priv;
existing_handler = g_hash_table_lookup (priv->schema_to_handler, schema);
if (existing_handler != NULL) {
g_hash_table_remove (priv->schema_to_handler, existing_handler->schema);
schema_handler_free (existing_handler);
}
new_handler = schema_handler_new (schema, shell_component);
g_hash_table_insert (priv->schema_to_handler, new_handler->schema, new_handler);
}
EvolutionShellComponentClient *
e_uri_schema_registry_get_handler_for_schema (EUriSchemaRegistry *registry,
const char *schema)
{
EUriSchemaRegistryPrivate *priv;
const SchemaHandler *handler;
g_return_val_if_fail (registry != NULL, NULL);
g_return_val_if_fail (E_IS_URI_SCHEMA_REGISTRY (registry), NULL);
g_return_val_if_fail (schema != NULL, NULL);
priv = registry->priv;
handler = g_hash_table_lookup (priv->schema_to_handler, schema);
if (handler == NULL)
return NULL;
return handler->component;
}
E_MAKE_TYPE (e_uri_schema_registry, "EUriSchemaRegistry", EUriSchemaRegistry, class_init, init, PARENT_TYPE)
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