observer.h
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/* GNU Mailutils -- a suite of utilities for electronic mail
Copyright (C) 1999-2000, 2005, 2007, 2010-2012, 2014-2017 Free
Software Foundation, Inc.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 3 of the License, or (at your option) any later version.
This library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General
Public License along with this library. If not, see
<http://www.gnu.org/licenses/>. */
#ifndef _MAILUTILS_OBSERVER_H
#define _MAILUTILS_OBSERVER_H
#include <mailutils/types.h>
#ifdef __cplusplus
extern "C" {
#endif
/* Mailbox events */
/* Call data type: */
#define MU_EVT_MAILBOX_DESTROY 0x001 /* mu_mailbox_t */
#define MU_EVT_MAILBOX_PROGRESS 0x002 /* NULL: FIXME? */
#define MU_EVT_MAILBOX_CORRUPT 0x004 /* mu_mailbox_t */
#define MU_EVT_MAILBOX_MESSAGE_APPEND 0x008 /* mu_message_qid_t: FIXME */
#define MU_EVT_MAILBOX_MESSAGE_EXPUNGE 0x010 /* size_t [2]
(message number/number of
messages removed so far) */
/* Folder events */
#define MU_EVT_FOLDER_DESTROY 0x020 /* mu_folder_t */
#define MU_EVT_FOLDER_AUTHORITY_FAILED 0x040 /* NULL */
/* Message events */
#define MU_EVT_MESSAGE_DESTROY 0x080 /* mu_message_t */
#define MU_EVT_MESSAGE_ADD 0x100 /* size_t *: FIXME */
/* Mailer events */
#define MU_EVT_MAILER_DESTROY 0x200 /* mu_mailer_t */
#define MU_EVT_MAILER_MESSAGE_SENT 0x400 /* mu_message_t */
#define MU_OBSERVER_NO_CHECK 1
extern int mu_observer_create (mu_observer_t *, void *owner);
extern void mu_observer_destroy (mu_observer_t *, void *owner);
extern void * mu_observer_get_owner(mu_observer_t);
extern int mu_observer_action (mu_observer_t, size_t type, void *data);
extern int mu_observer_set_action (mu_observer_t,
int (*_action) (mu_observer_t,
size_t, void *, void *),
void *owner);
extern int mu_observer_set_action_data (mu_observer_t, void *data,
void *owner);
extern int mu_observer_set_destroy (mu_observer_t,
int (*_destroy) (mu_observer_t, void *),
void *owner);
extern int mu_observer_set_flags (mu_observer_t, int flags);
extern int mu_observable_create (mu_observable_t *, void *owner);
extern void mu_observable_destroy (mu_observable_t *, void *owner);
extern void * mu_observable_get_owner (mu_observable_t);
extern int mu_observable_attach (mu_observable_t, size_t type,
mu_observer_t observer);
extern int mu_observable_detach (mu_observable_t, mu_observer_t observer);
extern int mu_observable_notify (mu_observable_t, int type, void *data);
#ifdef __cplusplus
}
#endif
#endif /* _MAILUTILS_OBSERVER_H */