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/*
* An abstract class which defines the API to a given backend.
* There will be one PASBackend object for every URI which is loaded.
*
* Two people will call into the PASBackend API:
*
* 1. The PASBookFactory, when it has been asked to load a book.
* It will create a new PASBackend if one is not already running
* for the requested URI. It will call pas_backend_add_client to
* add a new client to an existing PASBackend server.
*
* 2. A PASBook, when a client has requested an operation on the
* Evolution_Book interface.
*
* Author:
* Nat Friedman (nat@helixcode.com)
*
* Copyright 2000, Helix Code, Inc.
*/
#ifndef __PAS_BACKEND_H__
#define __PAS_BACKEND_H__
#include <libgnome/gnome-defs.h>
#include <gtk/gtkobject.h>
#include <pas/addressbook.h>
typedef struct _PASBackend PASBackend;
typedef struct _PASBackendPrivate PASBackendPrivate;
#include <pas/pas-book.h>
struct _PASBackend {
GtkObject parent_object;
PASBackendPrivate *priv;
};
typedef struct {
GtkObjectClass parent_class;
/* Virtual methods */
gboolean (*load_uri) (PASBackend *backend, const char *uri);
const char *(* get_uri) (PASBackend *backend);
gboolean (*add_client) (PASBackend *backend, Evolution_BookListener listener);
void (*remove_client) (PASBackend *backend, PASBook *book);
/* Notification signals */
void (* last_client_gone) (PASBackend *backend);
} PASBackendClass;
typedef PASBackend * (*PASBackendFactoryFn) (void);
gboolean pas_backend_construct (PASBackend *backend);
gboolean pas_backend_load_uri (PASBackend *backend,
const char *uri);
const char *pas_backend_get_uri (PASBackend *backend);
gboolean pas_backend_add_client (PASBackend *backend,
Evolution_BookListener listener);
void pas_backend_remove_client (PASBackend *backend,
PASBook *book);
void pas_backend_last_client_gone (PASBackend *backend);
GtkType pas_backend_get_type (void);
#define PAS_BACKEND_TYPE (pas_backend_get_type ())
#define PAS_BACKEND(o) (GTK_CHECK_CAST ((o), PAS_BACKEND_TYPE, PASBackend))
#define PAS_BACKEND_CLASS(k) (GTK_CHECK_CLASS_CAST((k), PAS_BACKEND_TYPE, PASBackendClass))
#define PAS_IS_BACKEND(o) (GTK_CHECK_TYPE ((o), PAS_BACKEND_TYPE))
#define PAS_IS_BACKEND_CLASS(k) (GTK_CHECK_CLASS_TYPE ((k), PAS_BACKEND_TYPE))
#endif /* ! __PAS_BACKEND_H__ */
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