* media_list.c).
*****************************************************************************
* Copyright (C) 2007 the VideoLAN team
- * $Id: flat_media_list.c 21287 2007-08-20 01:28:12Z pdherbemont $
+ * $Id$
*
* Authors: Pierre d'Herbemont <pdherbemont # videolan.org>
*
* Private functions
*/
static void
+media_list_item_added( const libvlc_event_t * p_event, void * p_user_data );
+static void
media_list_item_removed( const libvlc_event_t * p_event, void * p_user_data );
+static void
+media_list_subitem_added( const libvlc_event_t * p_event, void * p_user_data );
static void
-media_list_item_added( const libvlc_event_t * p_event, void * p_user_data )
+install_md_listener( libvlc_media_list_view_t * p_mlv,
+ libvlc_media_t * p_md)
{
- libvlc_media_list_view_t * p_mlv = p_user_data;
- libvlc_media_descriptor_t * p_md = p_event->u.media_list_item_added.item;
libvlc_media_list_t * p_mlist;
- if((p_mlist = libvlc_media_descriptor_subitems( p_md, NULL )))
+ if((p_mlist = libvlc_media_subitems( p_md, NULL )))
{
+ libvlc_media_list_lock( p_mlist );
+ int i, count = libvlc_media_list_count( p_mlist, NULL );
+ for( i = 0; i < count; i++)
+ {
+ libvlc_event_t added_event;
+ libvlc_media_t * p_submd;
+ p_submd = libvlc_media_list_item_at_index( p_mlist, i, NULL );
+
+ /* Install our listeners */
+ install_md_listener( p_mlv, p_submd );
+
+ /* For each item, send a notification to the mlv subclasses */
+ added_event.u.media_list_item_added.item = p_submd;
+ added_event.u.media_list_item_added.index = 0;
+ if( p_mlv->pf_ml_item_added ) p_mlv->pf_ml_item_added( &added_event, p_mlv );
+ libvlc_media_release( p_submd );
+ }
libvlc_event_attach( p_mlist->p_event_manager,
libvlc_MediaListItemAdded,
media_list_item_added, p_mlv, NULL );
libvlc_event_attach( p_mlist->p_event_manager,
libvlc_MediaListItemDeleted,
media_list_item_removed, p_mlv, NULL );
+ libvlc_media_list_unlock( p_mlist );
+ libvlc_media_list_release( p_mlist );
+ }
+ else
+ {
+ /* No mlist, wait for a subitem added event */
+ libvlc_event_attach( p_md->p_event_manager,
+ libvlc_MediaSubItemAdded,
+ media_list_subitem_added, p_mlv, NULL );
}
+}
+
+static void
+uninstall_md_listener( libvlc_media_list_view_t * p_mlv,
+ libvlc_media_t * p_md)
+{
+ libvlc_media_list_t * p_mlist;
+ libvlc_exception_t ignored_exception;
+ libvlc_exception_init( &ignored_exception );
+ libvlc_event_detach( p_md->p_event_manager,
+ libvlc_MediaSubItemAdded,
+ media_list_subitem_added, p_mlv, &ignored_exception );
+ if( libvlc_exception_raised( &ignored_exception ) )
+ libvlc_exception_clear( &ignored_exception ); /* We don't care if we encounter an exception */
+ if((p_mlist = libvlc_media_subitems( p_md, NULL )))
+ {
+ libvlc_media_list_lock( p_mlist );
+ libvlc_event_detach( p_mlist->p_event_manager,
+ libvlc_MediaListItemAdded,
+ media_list_item_added, p_mlv, NULL );
+ libvlc_event_detach( p_mlist->p_event_manager,
+ libvlc_MediaListItemDeleted,
+ media_list_item_removed, p_mlv, NULL );
+
+ int i, count = libvlc_media_list_count( p_mlist, NULL );
+ for( i = 0; i < count; i++)
+ {
+ libvlc_media_t * p_submd;
+ p_submd = libvlc_media_list_item_at_index( p_mlist,i, NULL );
+ uninstall_md_listener( p_mlv, p_submd );
+ libvlc_media_release( p_submd );
+ }
+ libvlc_media_list_unlock( p_mlist );
+ libvlc_media_list_release( p_mlist );
+ }
+}
+
+static void
+media_list_item_added( const libvlc_event_t * p_event, void * p_user_data )
+{
+ libvlc_media_list_view_t * p_mlv = p_user_data;
+ libvlc_media_t * p_md = p_event->u.media_list_item_added.item;
+ install_md_listener( p_mlv, p_md );
if( p_mlv->pf_ml_item_added ) p_mlv->pf_ml_item_added( p_event, p_mlv );
}
media_list_item_removed( const libvlc_event_t * p_event, void * p_user_data )
{
libvlc_media_list_view_t * p_mlv = p_user_data;
- libvlc_media_descriptor_t * p_md = p_event->u.media_list_item_added.item;
+ libvlc_media_t * p_md = p_event->u.media_list_item_added.item;
+ uninstall_md_listener( p_mlv, p_md );
+ if( p_mlv->pf_ml_item_removed ) p_mlv->pf_ml_item_removed( p_event, p_mlv );
+}
+
+static void
+media_list_subitem_added( const libvlc_event_t * p_event, void * p_user_data )
+{
libvlc_media_list_t * p_mlist;
- if((p_mlist = libvlc_media_descriptor_subitems( p_md, NULL )))
+ libvlc_event_t added_event;
+ libvlc_media_list_view_t * p_mlv = p_user_data;
+ libvlc_media_t * p_submd = p_event->u.media_subitem_added.new_child;
+ libvlc_media_t * p_md = p_event->p_obj;
+
+ if((p_mlist = libvlc_media_subitems( p_md, NULL )))
{
+ /* We have a mlist to which we're going to listen to events
+ * thus, no need to wait for SubItemAdded events */
+ libvlc_event_detach( p_md->p_event_manager,
+ libvlc_MediaSubItemAdded,
+ media_list_subitem_added, p_mlv, NULL );
+ libvlc_media_list_lock( p_mlist );
+
libvlc_event_attach( p_mlist->p_event_manager,
libvlc_MediaListItemAdded,
media_list_item_added, p_mlv, NULL );
libvlc_event_attach( p_mlist->p_event_manager,
libvlc_MediaListItemDeleted,
media_list_item_removed, p_mlv, NULL );
+ libvlc_media_list_unlock( p_mlist );
+ libvlc_media_list_release( p_mlist );
}
- if( p_mlv->pf_ml_item_removed ) p_mlv->pf_ml_item_removed( p_event, p_mlv );
-}
+ install_md_listener( p_mlv, p_submd );
+
+ added_event.u.media_list_item_added.item = p_submd;
+ added_event.u.media_list_item_added.index = 0;
+ if( p_mlv->pf_ml_item_added ) p_mlv->pf_ml_item_added( &added_event, p_mlv );
+}
/*
* LibVLC Internal functions
*/
+/**************************************************************************
+ * libvlc_media_list_view_set_ml_notification_callback (Internal)
+ * The mlist lock should be held when entered
+ **************************************************************************/
void
libvlc_media_list_view_set_ml_notification_callback(
libvlc_media_list_view_t * p_mlv,
libvlc_event_attach( p_mlv->p_mlist->p_event_manager,
libvlc_MediaListItemDeleted,
media_list_item_removed, p_mlv, NULL );
+ int i, count = libvlc_media_list_count( p_mlv->p_mlist, NULL );
+ for( i = 0; i < count; i++)
+ {
+ libvlc_media_t * p_md;
+ p_md = libvlc_media_list_item_at_index( p_mlv->p_mlist, i, NULL );
+ install_md_listener( p_mlv, p_md );
+ libvlc_media_release( p_md );
+ }
+}
+
+/**************************************************************************
+ * libvlc_media_list_view_notify_deletion (Internal)
+ **************************************************************************/
+void
+libvlc_media_list_view_will_delete_item(
+ libvlc_media_list_view_t * p_mlv,
+ libvlc_media_t * p_item,
+ int index )
+{
+ libvlc_event_t event;
+
+ /* Construct the event */
+ event.type = libvlc_MediaListViewWillDeleteItem;
+ event.u.media_list_view_will_delete_item.item = p_item;
+ event.u.media_list_view_will_delete_item.index = index;
+
+ /* Send the event */
+ libvlc_event_send( p_mlv->p_event_manager, &event );
+}
+
+/**************************************************************************
+ * libvlc_media_list_view_item_deleted (Internal)
+ **************************************************************************/
+void
+libvlc_media_list_view_item_deleted(
+ libvlc_media_list_view_t * p_mlv,
+ libvlc_media_t * p_item,
+ int index )
+{
+ libvlc_event_t event;
+
+ /* Construct the event */
+ event.type = libvlc_MediaListViewItemDeleted;
+ event.u.media_list_view_item_deleted.item = p_item;
+ event.u.media_list_view_item_deleted.index = index;
+
+ /* Send the event */
+ libvlc_event_send( p_mlv->p_event_manager, &event );
+}
+
+/**************************************************************************
+ * libvlc_media_list_view_will_add_item (Internal)
+ **************************************************************************/
+void
+libvlc_media_list_view_will_add_item(
+ libvlc_media_list_view_t * p_mlv,
+ libvlc_media_t * p_item,
+ int index )
+{
+ libvlc_event_t event;
+
+ /* Construct the event */
+ event.type = libvlc_MediaListViewWillAddItem;
+ event.u.media_list_view_will_add_item.item = p_item;
+ event.u.media_list_view_will_add_item.index = index;
+
+ /* Send the event */
+ libvlc_event_send( p_mlv->p_event_manager, &event );
+}
+
+/**************************************************************************
+ * libvlc_media_list_view_item_added (Internal)
+ **************************************************************************/
+void
+libvlc_media_list_view_item_added(
+ libvlc_media_list_view_t * p_mlv,
+ libvlc_media_t * p_item,
+ int index )
+{
+ libvlc_event_t event;
+
+ /* Construct the event */
+ event.type = libvlc_MediaListViewItemAdded;
+ event.u.media_list_view_item_added.item = p_item;
+ event.u.media_list_view_item_added.index = index;
+
+ /* Send the event */
+ libvlc_event_send( p_mlv->p_event_manager, &event );
}
/**************************************************************************
libvlc_media_list_view_count_func_t pf_count,
libvlc_media_list_view_item_at_index_func_t pf_item_at_index,
libvlc_media_list_view_children_at_index_func_t pf_children_at_index,
+ libvlc_media_list_view_constructor_func_t pf_constructor,
libvlc_media_list_view_release_func_t pf_release,
void * this_view_data,
libvlc_exception_t * p_e )
p_mlv->p_event_manager = libvlc_event_manager_new( p_mlist,
p_mlv->p_libvlc_instance, p_e );
+ libvlc_event_manager_register_event_type( p_mlv->p_event_manager,
+ libvlc_MediaListViewItemAdded, p_e );
+ libvlc_event_manager_register_event_type( p_mlv->p_event_manager,
+ libvlc_MediaListViewWillAddItem, p_e );
+ libvlc_event_manager_register_event_type( p_mlv->p_event_manager,
+ libvlc_MediaListViewItemDeleted, p_e );
+ libvlc_event_manager_register_event_type( p_mlv->p_event_manager,
+ libvlc_MediaListViewWillDeleteItem, p_e );
+
libvlc_media_list_retain( p_mlist );
p_mlv->p_mlist = p_mlist;
p_mlv->pf_count = pf_count;
p_mlv->pf_item_at_index = pf_item_at_index;
p_mlv->pf_children_at_index = pf_children_at_index;
+ p_mlv->pf_constructor = pf_constructor;
p_mlv->pf_release = pf_release;
p_mlv->p_this_view_data = this_view_data;
- vlc_mutex_init( p_mlv->p_libvlc_instance->p_libvlc_int, &p_mlv->object_lock );
+ vlc_mutex_init( &p_mlv->object_lock );
p_mlv->i_refcount = 1;
return p_mlv;
vlc_mutex_unlock( &p_mlv->object_lock );
/* Refcount null, time to free */
+ libvlc_media_list_lock( p_mlv->p_mlist );
if( p_mlv->pf_ml_item_added )
{
libvlc_event_detach( p_mlv->p_mlist->p_event_manager,
libvlc_MediaListItemAdded,
- p_mlv->pf_ml_item_added, p_mlv, NULL );
- /* XXX: descend the whole tree and remove observer */
+ media_list_item_added, p_mlv, NULL );
}
if( p_mlv->pf_ml_item_removed )
{
libvlc_event_detach( p_mlv->p_mlist->p_event_manager,
libvlc_MediaListItemDeleted,
- p_mlv->pf_ml_item_removed, p_mlv, NULL );
- /* XXX: descend the whole tree and remove observer */
+ media_list_item_removed, p_mlv, NULL );
}
+ int i, count = libvlc_media_list_count( p_mlv->p_mlist, NULL );
+ for( i = 0; i < count; i++)
+ {
+ libvlc_media_t * p_md;
+ p_md = libvlc_media_list_item_at_index( p_mlv->p_mlist, i, NULL );
+ uninstall_md_listener( p_mlv, p_md );
+ libvlc_media_release( p_md );
+ }
+ libvlc_media_list_unlock( p_mlv->p_mlist );
libvlc_event_manager_release( p_mlv->p_event_manager );
vlc_mutex_destroy( &p_mlv->object_lock );
}
+/**************************************************************************
+ * libvlc_media_list_view_event_manager (Public)
+ **************************************************************************/
+libvlc_event_manager_t *
+libvlc_media_list_view_event_manager( libvlc_media_list_view_t * p_mlv )
+{
+ libvlc_event_manager_t * p_em;
+ vlc_mutex_lock( &p_mlv->object_lock );
+ p_em = p_mlv->p_event_manager;
+ vlc_mutex_unlock( &p_mlv->object_lock );
+ return p_em;
+}
+
+/**************************************************************************
+ * libvlc_media_list_view_parent_media_list (Public)
+ **************************************************************************/
+libvlc_media_list_t *
+libvlc_media_list_view_parent_media_list( libvlc_media_list_view_t * p_mlv,
+ libvlc_exception_t * p_e)
+{
+ (void)p_e;
+ libvlc_media_list_t * p_mlist;
+ vlc_mutex_lock( &p_mlv->object_lock );
+ p_mlist = p_mlv->p_mlist;
+ libvlc_media_list_retain( p_mlv->p_mlist );
+ vlc_mutex_unlock( &p_mlv->object_lock );
+ return p_mlist;
+}
+
+/**************************************************************************
+ * libvlc_media_list_view_children_for_item (Public)
+ **************************************************************************/
+libvlc_media_list_view_t *
+libvlc_media_list_view_children_for_item( libvlc_media_list_view_t * p_mlv,
+ libvlc_media_t * p_md,
+ libvlc_exception_t * p_e)
+{
+ (void)p_e;
+ libvlc_media_list_t * p_mlist;
+ libvlc_media_list_view_t * ret;
+
+ p_mlist = libvlc_media_subitems(p_md, p_e);
+ if(!p_mlist) return NULL;
+
+ ret = p_mlv->pf_constructor( p_mlist, p_e );
+ libvlc_media_list_release( p_mlist );
+
+ return ret;
+}
+
/* Limited to four args, because it should be enough */
#define AN_SELECT( collapser, dec1, dec2, dec3, dec4, p, ...) p
MEDIA_LIST_VIEW_FUNCTION( count, int, 0 )
-MEDIA_LIST_VIEW_FUNCTION( item_at_index, libvlc_media_descriptor_t *, NULL, int arg1 )
+MEDIA_LIST_VIEW_FUNCTION( item_at_index, libvlc_media_t *, NULL, int arg1 )
MEDIA_LIST_VIEW_FUNCTION( children_at_index, libvlc_media_list_view_t *, NULL, int arg1 )
projects / vlc / blobdiff