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#ifndef foosubscribehfoo
#define foosubscribehfoo
/***
This file is part of PulseAudio.
Copyright 2004-2006 Lennart Poettering
Copyright 2006 Pierre Ossman <ossman@cendio.se> for Cendio AB
PulseAudio 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 2 of the License,
or (at your option) any later version.
PulseAudio 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 Lesser General Public License
along with PulseAudio; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
USA.
***/
#include <inttypes.h>
#include <pulse/def.h>
#include <pulse/context.h>
#include <pulse/cdecl.h>
#include <pulse/version.h>
/** \page subscribe Event Subscription
*
* \section overv_sec Overview
*
* The application can be notified, asynchronously, whenever the internal
* layout of the server changes. Possible notifications are desribed in the
* \ref pa_subscription_event_type and \ref pa_subscription_mask
* enumerations.
*
* The application sets the notification mask using pa_context_subscribe()
* and the function that will be called whenever a notification occurs using
* pa_context_set_subscribe_callback().
*/
/** \file
* Daemon introspection event subscription subsystem. */
PA_C_DECL_BEGIN
/** Subscription event callback prototype */
typedef void (*pa_context_subscribe_cb_t)(pa_context *c, pa_subscription_event_type_t t, uint32_t idx, void *userdata);
/** Enable event notification */
pa_operation* pa_context_subscribe(pa_context *c, pa_subscription_mask_t m, pa_context_success_cb_t cb, void *userdata);
/** Set the context specific call back function that is called whenever the state of the daemon changes */
void pa_context_set_subscribe_callback(pa_context *c, pa_context_subscribe_cb_t cb, void *userdata);
PA_C_DECL_END
#endif
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