| #ifndef foosubscribehfoo |
| #define foosubscribehfoo |
| |
| /* $Id: subscribe.h 1426 2007-02-13 15:35:19Z ossman $ */ |
| |
| /*** |
| 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> |
| |
| /** \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 |
