/*****************************************************************************
* event.c: New libvlc event control API
*****************************************************************************
- * Copyright (C) 2007 the VideoLAN team
+ * Copyright (C) 2007-2010 the VideoLAN team
* $Id $
*
* Authors: Filippo Carone <filippo@carone.org>
#include "libvlc_internal.h"
#include "event_internal.h"
+#include <assert.h>
+#include <errno.h>
typedef struct libvlc_event_listeners_group_t
{
* Init an object's event manager.
**************************************************************************/
libvlc_event_manager_t *
-libvlc_event_manager_new( void * p_obj, libvlc_instance_t * p_libvlc_inst,
- libvlc_exception_t *p_e )
+libvlc_event_manager_new( void * p_obj, libvlc_instance_t * p_libvlc_inst )
{
libvlc_event_manager_t * p_em;
p_em = malloc(sizeof( libvlc_event_manager_t ));
if( !p_em )
{
- libvlc_exception_raise( p_e, "No Memory left" );
+ libvlc_printerr( "Not enough memory" );
return NULL;
}
**************************************************************************/
void libvlc_event_manager_register_event_type(
libvlc_event_manager_t * p_em,
- libvlc_event_type_t event_type,
- libvlc_exception_t * p_e )
+ libvlc_event_type_t event_type )
{
libvlc_event_listeners_group_t * listeners_group;
- listeners_group = malloc(sizeof(libvlc_event_listeners_group_t));
- if( !listeners_group )
- {
- libvlc_exception_raise( p_e, "No Memory left" );
- return;
- }
-
+ listeners_group = xmalloc(sizeof(libvlc_event_listeners_group_t));
listeners_group->event_type = event_type;
vlc_array_init( &listeners_group->listeners );
else
{
/* The listener wants to block the emitter during event callback */
-
+
listener_cached->pf_callback( p_event, listener_cached->p_user_data );
listener_cached++;
-
+
if( listeners_group->b_sublistener_removed )
{
/* If a callback was removed, this gets called */
listener_cached++;
continue;
}
- }
+ }
}
}
vlc_mutex_unlock( &p_em->event_sending_lock );
* Public libvlc functions
*/
-/**************************************************************************
- * libvlc_event_type_name (public) :
- *
- * Get the char * name of an event type.
- **************************************************************************/
-static const char event_type_to_name[][libvlc_num_event_types] =
+#define DEF( a ) { libvlc_##a, #a, },
+
+typedef struct
{
-#define DEF(a) [libvlc_##a]=#a
- DEFINE_LIBVLC_EVENT_TYPES
-#undef DEF
+ int type;
+ const char name[40];
+} event_name_t;
+
+static const event_name_t event_list[] = {
+ DEF(MediaMetaChanged)
+ DEF(MediaSubItemAdded)
+ DEF(MediaDurationChanged)
+ DEF(MediaParsedChanged)
+ DEF(MediaFreed)
+ DEF(MediaStateChanged)
+
+ DEF(MediaPlayerMediaChanged)
+ DEF(MediaPlayerNothingSpecial)
+ DEF(MediaPlayerOpening)
+ DEF(MediaPlayerBuffering)
+ DEF(MediaPlayerPlaying)
+ DEF(MediaPlayerPaused)
+ DEF(MediaPlayerStopped)
+ DEF(MediaPlayerForward)
+ DEF(MediaPlayerBackward)
+ DEF(MediaPlayerEndReached)
+ DEF(MediaPlayerEncounteredError)
+ DEF(MediaPlayerTimeChanged)
+ DEF(MediaPlayerPositionChanged)
+ DEF(MediaPlayerSeekableChanged)
+ DEF(MediaPlayerPausableChanged)
+ DEF(MediaPlayerTitleChanged)
+ DEF(MediaPlayerSnapshotTaken)
+ DEF(MediaPlayerLengthChanged)
+
+ DEF(MediaListItemAdded)
+ DEF(MediaListWillAddItem)
+ DEF(MediaListItemDeleted)
+ DEF(MediaListWillDeleteItem)
+
+ DEF(MediaListViewItemAdded)
+ DEF(MediaListViewWillAddItem)
+ DEF(MediaListViewItemDeleted)
+ DEF(MediaListViewWillDeleteItem)
+
+ DEF(MediaListPlayerPlayed)
+ DEF(MediaListPlayerNextItemSet)
+ DEF(MediaListPlayerStopped)
+
+ DEF(MediaDiscovererStarted)
+ DEF(MediaDiscovererEnded)
+
+ DEF(VlmMediaAdded)
+ DEF(VlmMediaRemoved)
+ DEF(VlmMediaChanged)
+ DEF(VlmMediaInstanceStarted)
+ DEF(VlmMediaInstanceStopped)
+ DEF(VlmMediaInstanceStatusInit)
+ DEF(VlmMediaInstanceStatusOpening)
};
+#undef DEF
static const char unknown_event_name[] = "Unknown Event";
-const char * libvlc_event_type_name( libvlc_event_type_t event_type )
+static int evcmp( const void *a, const void *b )
+{
+ return (*(const int *)a) - ((event_name_t *)b)->type;
+}
+
+const char * libvlc_event_type_name( int event_type )
{
- if( event_type >= libvlc_num_event_types )
- return unknown_event_name;
- return event_type_to_name[event_type];
+ const event_name_t *p;
+
+ p = bsearch( &event_type, event_list,
+ sizeof(event_list)/sizeof(event_list[0]), sizeof(*p),
+ evcmp );
+ return p ? p->name : unknown_event_name;
}
/**************************************************************************
* Add a callback for an event.
**************************************************************************/
static
-void event_attach( libvlc_event_manager_t * p_event_manager,
- libvlc_event_type_t event_type,
- libvlc_callback_t pf_callback,
- void *p_user_data,
- bool is_asynchronous,
- libvlc_exception_t *p_e )
+int event_attach( libvlc_event_manager_t * p_event_manager,
+ libvlc_event_type_t event_type,
+ libvlc_callback_t pf_callback, void *p_user_data,
+ bool is_asynchronous )
{
libvlc_event_listeners_group_t * listeners_group;
libvlc_event_listener_t * listener;
int i;
-
+
listener = malloc(sizeof(libvlc_event_listener_t));
- if( !listener )
- {
- libvlc_exception_raise( p_e, "No Memory left" );
- return;
- }
-
+ if( unlikely(listener == NULL) )
+ return ENOMEM;
+
listener->event_type = event_type;
listener->p_user_data = p_user_data;
listener->pf_callback = pf_callback;
listener->is_asynchronous = is_asynchronous;
-
+
vlc_mutex_lock( &p_event_manager->object_lock );
for( i = 0; i < vlc_array_count(&p_event_manager->listeners_groups); i++ )
{
{
vlc_array_append( &listeners_group->listeners, listener );
vlc_mutex_unlock( &p_event_manager->object_lock );
- return;
+ return 0;
}
}
vlc_mutex_unlock( &p_event_manager->object_lock );
-
+
free(listener);
- libvlc_exception_raise( p_e,
- "This object event manager doesn't know about '%s' events",
- libvlc_event_type_name(event_type));
+ fprintf( stderr, "This object event manager doesn't know about '%s' events",
+ libvlc_event_type_name(event_type) );
+ assert(0);
+ return -1;
}
/**************************************************************************
*
* Add a callback for an event.
**************************************************************************/
-void libvlc_event_attach( libvlc_event_manager_t * p_event_manager,
+int libvlc_event_attach( libvlc_event_manager_t * p_event_manager,
libvlc_event_type_t event_type,
libvlc_callback_t pf_callback,
- void *p_user_data,
- libvlc_exception_t *p_e )
+ void *p_user_data )
{
- event_attach(p_event_manager, event_type, pf_callback, p_user_data, false /* synchronous */, p_e);
+ return event_attach(p_event_manager, event_type, pf_callback, p_user_data,
+ false /* synchronous */);
}
/**************************************************************************
void libvlc_event_attach_async( libvlc_event_manager_t * p_event_manager,
libvlc_event_type_t event_type,
libvlc_callback_t pf_callback,
- void *p_user_data,
- libvlc_exception_t *p_e )
+ void *p_user_data )
{
- event_attach(p_event_manager, event_type, pf_callback, p_user_data, true /* asynchronous */, p_e);
+ event_attach(p_event_manager, event_type, pf_callback, p_user_data,
+ true /* asynchronous */);
}
/**************************************************************************
void libvlc_event_detach( libvlc_event_manager_t *p_event_manager,
libvlc_event_type_t event_type,
libvlc_callback_t pf_callback,
- void *p_user_data,
- libvlc_exception_t *p_e )
+ void *p_user_data )
{
libvlc_event_listeners_group_t * listeners_group;
libvlc_event_listener_t * listener;
int i, j;
bool found = false;
-
+
vlc_mutex_lock( &p_event_manager->event_sending_lock );
vlc_mutex_lock( &p_event_manager->object_lock );
for( i = 0; i < vlc_array_count(&p_event_manager->listeners_groups); i++)
libvlc_event_async_ensure_listener_removal(p_event_manager, &listener_to_remove);
- if(!found)
- {
- libvlc_exception_raise( p_e,
- "This object event manager doesn't know about '%s,%p,%p' event observer",
- libvlc_event_type_name(event_type), pf_callback, p_user_data );
- }
+ assert(found);
}
projects / vlc / blobdiff