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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/*
* Author:
* Nat Friedman (nat@helixcode.com)
*
* Copyright 2000, Helix Code, Inc.
*/
#include <config.h>
#include <gtk/gtkobject.h>
#include <gtk/gtksignal.h>
#include "pas-backend.h"
#define CLASS(o) PAS_BACKEND_CLASS (GTK_OBJECT (o)->klass)
/* Signal IDs */
enum {
LAST_CLIENT_GONE,
LAST_SIGNAL
};
static guint pas_backend_signals[LAST_SIGNAL];
gboolean
pas_backend_construct (PASBackend *backend)
{
return TRUE;
}
gboolean
pas_backend_load_uri (PASBackend *backend,
const char *uri)
{
g_return_val_if_fail (backend != NULL, FALSE);
g_return_val_if_fail (PAS_IS_BACKEND (backend), FALSE);
g_return_val_if_fail (uri != NULL, FALSE);
g_assert (CLASS (backend)->load_uri != NULL);
return (* CLASS (backend)->load_uri) (backend, uri);
}
/**
* pas_backend_get_uri:
* @backend: An addressbook backend.
*
* Queries the URI that an addressbook backend is serving.
*
* Return value: URI for the backend.
**/
const char *
pas_backend_get_uri (PASBackend *backend)
{
g_return_val_if_fail (backend != NULL, NULL);
g_return_val_if_fail (PAS_IS_BACKEND (backend), NULL);
g_assert (CLASS (backend)->get_uri != NULL);
return (* CLASS (backend)->get_uri) (backend);
}
/**
* pas_backend_add_client:
* @backend: An addressbook backend.
* @listener: Listener for notification to the client.
*
* Adds a client to an addressbook backend.
*
* Return value: TRUE on success, FALSE on failure to add the client.
*/
gboolean
pas_backend_add_client (PASBackend *backend,
GNOME_Evolution_Addressbook_BookListener listener)
{
g_return_val_if_fail (backend != NULL, FALSE);
g_return_val_if_fail (PAS_IS_BACKEND (backend), FALSE);
g_return_val_if_fail (listener != CORBA_OBJECT_NIL, FALSE);
g_assert (CLASS (backend)->add_client != NULL);
return CLASS (backend)->add_client (backend, listener);
}
void
pas_backend_remove_client (PASBackend *backend,
PASBook *book)
{
g_return_if_fail (backend != NULL);
g_return_if_fail (PAS_IS_BACKEND (backend));
g_return_if_fail (book != NULL);
g_return_if_fail (PAS_IS_BOOK (book));
g_assert (CLASS (backend)->remove_client != NULL);
CLASS (backend)->remove_client (backend, book);
}
char *
pas_backend_get_static_capabilities (PASBackend *backend)
{
g_return_val_if_fail (backend != NULL, NULL);
g_return_val_if_fail (PAS_IS_BACKEND (backend), NULL);
g_assert (CLASS (backend)->get_static_capabilities != NULL);
return CLASS (backend)->get_static_capabilities (backend);
}
/**
* pas_backend_last_client_gone:
* @backend: An addressbook backend.
*
* Emits the "last_client_gone" signal for the specified backend. Should
* only be called from backend implementations if the backend really does
* not have any more clients.
**/
void
pas_backend_last_client_gone (PASBackend *backend)
{
g_return_if_fail (backend != NULL);
g_return_if_fail (PAS_IS_BACKEND (backend));
gtk_signal_emit (GTK_OBJECT (backend), pas_backend_signals[LAST_CLIENT_GONE]);
}
static void
pas_backend_init (PASBackend *backend)
{
}
static void
pas_backend_class_init (PASBackendClass *klass)
{
GtkObjectClass *object_class;
object_class = (GtkObjectClass *) klass;
pas_backend_signals[LAST_CLIENT_GONE] =
gtk_signal_new ("last_client_gone",
GTK_RUN_FIRST,
object_class->type,
GTK_SIGNAL_OFFSET (PASBackendClass, last_client_gone),
gtk_marshal_NONE__NONE,
GTK_TYPE_NONE, 0);
gtk_object_class_add_signals (object_class, pas_backend_signals, LAST_SIGNAL);
klass->add_client = NULL;
klass->remove_client = NULL;
klass->get_static_capabilities = NULL;
}
/**
* pas_backend_get_type:
*/
GtkType
pas_backend_get_type (void)
{
static GtkType type = 0;
if (! type) {
GtkTypeInfo info = {
"PASBackend",
sizeof (PASBackend),
sizeof (PASBackendClass),
(GtkClassInitFunc) pas_backend_class_init,
(GtkObjectInitFunc) pas_backend_init,
NULL, /* reserved 1 */
NULL, /* reserved 2 */
(GtkClassInitFunc) NULL
};
type = gtk_type_unique (gtk_object_get_type (), &info);
}
return type;
}
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