* 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>
*
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
-#include "libvlc_internal.h"
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
#include <vlc/libvlc.h>
-#include <assert.h>
-#include "vlc_arrays.h"
+#include <vlc/libvlc_media.h>
+#include <vlc/libvlc_media_list.h>
+#include <vlc/libvlc_media_list_view.h>
+#include <vlc/libvlc_events.h>
+
+#include "libvlc_internal.h" // Abuse, could and should be removed
+
+#include "media_internal.h" // Abuse, could and should be removed
+#include "media_list_internal.h" // Abuse, could and should be removed
+#include "media_list_view_internal.h"
//#define DEBUG_FLAT_LIST
/*
* 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
+install_md_listener( libvlc_media_list_view_t * p_mlv,
+ libvlc_media_t * p_md)
+{
+ libvlc_media_list_t * p_mlist;
+ if((p_mlist = libvlc_media_subitems( p_md )))
+ {
+ libvlc_media_list_lock( p_mlist );
+ int i, count = libvlc_media_list_count( p_mlist );
+ 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 );
+ libvlc_event_attach( p_mlist->p_event_manager,
+ libvlc_MediaListItemDeleted,
+ media_list_item_removed, p_mlv );
+ 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 );
+ }
+}
+
+static void
+uninstall_md_listener( libvlc_media_list_view_t * p_mlv,
+ libvlc_media_t * p_md)
+{
+ libvlc_media_list_t * p_mlist;
+ libvlc_event_detach( p_md->p_event_manager,
+ libvlc_MediaSubItemAdded,
+ media_list_subitem_added, p_mlv );
+ if((p_mlist = libvlc_media_subitems( p_md )))
+ {
+ libvlc_media_list_lock( p_mlist );
+ libvlc_event_detach( p_mlist->p_event_manager,
+ libvlc_MediaListItemAdded,
+ media_list_item_added, p_mlv );
+ libvlc_event_detach( p_mlist->p_event_manager,
+ libvlc_MediaListItemDeleted,
+ media_list_item_removed, p_mlv );
+
+ int i, count = libvlc_media_list_count( p_mlist );
+ 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 );
+}
+
+static void
+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_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;
+ 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 )))
+ {
+ /* 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 );
+ libvlc_media_list_lock( p_mlist );
+
+ libvlc_event_attach( p_mlist->p_event_manager,
+ libvlc_MediaListItemAdded,
+ media_list_item_added, p_mlv );
+ libvlc_event_attach( p_mlist->p_event_manager,
+ libvlc_MediaListItemDeleted,
+ media_list_item_removed, p_mlv );
+ libvlc_media_list_unlock( p_mlist );
+ libvlc_media_list_release( p_mlist );
+ }
+
+ 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,
+ void (*item_added)(const libvlc_event_t *, libvlc_media_list_view_t *),
+ void (*item_removed)(const libvlc_event_t *, libvlc_media_list_view_t *) )
+{
+ p_mlv->pf_ml_item_added = item_added;
+ p_mlv->pf_ml_item_removed = item_removed;
+ libvlc_event_attach( p_mlv->p_mlist->p_event_manager,
+ libvlc_MediaListItemAdded,
+ media_list_item_added, p_mlv );
+ libvlc_event_attach( p_mlv->p_mlist->p_event_manager,
+ libvlc_MediaListItemDeleted,
+ media_list_item_removed, p_mlv );
+ int i, count = libvlc_media_list_count( p_mlv->p_mlist );
+ 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_new (Internal)
+ **************************************************************************/
+libvlc_media_list_view_t *
+libvlc_media_list_view_new( libvlc_media_list_t * p_mlist,
+ 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_media_list_view_t * p_mlv;
+ p_mlv = calloc( 1, sizeof(libvlc_media_list_view_t) );
+ if( unlikely(p_mlv == NULL) )
+ {
+ libvlc_printerr( "Not enough memory" );
+ return NULL;
+ }
+
+ p_mlv->p_libvlc_instance = p_mlist->p_libvlc_instance;
+ p_mlv->p_event_manager = libvlc_event_manager_new( p_mlist,
+ p_mlv->p_libvlc_instance );
+ if( unlikely(p_mlv->p_event_manager == NULL) )
+ {
+ free(p_mlv);
+ return NULL;
+ }
+
+ libvlc_event_manager_register_event_type( p_mlv->p_event_manager,
+ libvlc_MediaListViewItemAdded );
+ libvlc_event_manager_register_event_type( p_mlv->p_event_manager,
+ libvlc_MediaListViewWillAddItem );
+ libvlc_event_manager_register_event_type( p_mlv->p_event_manager,
+ libvlc_MediaListViewItemDeleted );
+ libvlc_event_manager_register_event_type( p_mlv->p_event_manager,
+ libvlc_MediaListViewWillDeleteItem );
+
+ 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->object_lock );
+ p_mlv->i_refcount = 1;
+
+ return p_mlv;
+}
+
/*
* Public libvlc functions
*/
+/**************************************************************************
+ * libvlc_media_list_view_retain (Public)
+ **************************************************************************/
+void
+libvlc_media_list_view_retain( libvlc_media_list_view_t * p_mlv )
+{
+ vlc_mutex_lock( &p_mlv->object_lock );
+ p_mlv->i_refcount++;
+ vlc_mutex_unlock( &p_mlv->object_lock );
+}
+
+/**************************************************************************
+ * libvlc_media_list_view_release (Public)
+ **************************************************************************/
+void
+libvlc_media_list_view_release( libvlc_media_list_view_t * p_mlv )
+{
+ vlc_mutex_lock( &p_mlv->object_lock );
+ p_mlv->i_refcount--;
+ if( p_mlv->i_refcount > 0 )
+ {
+ vlc_mutex_unlock( &p_mlv->object_lock );
+ return;
+ }
+ 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,
+ media_list_item_added, p_mlv );
+ }
+ if( p_mlv->pf_ml_item_removed )
+ {
+ libvlc_event_detach( p_mlv->p_mlist->p_event_manager,
+ libvlc_MediaListItemDeleted,
+ media_list_item_removed, p_mlv );
+ }
+ int i, count = libvlc_media_list_count( p_mlv->p_mlist );
+ 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 );
+
+ if( p_mlv->pf_release ) p_mlv->pf_release( p_mlv );
+ libvlc_media_list_release( p_mlv->p_mlist );
+ 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);
+ 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
{ \
if( p_mlv->pf_##name ) \
return p_mlv->pf_##name ARGS(__VA_ARGS__) ; \
- libvlc_exception_raise( p_e, "No '" #name "' method in this media_list_view" ); \
+ libvlc_exception_raise( p_e ); \
+ libvlc_printerr( "No '" #name "' method in this media_list_view" ); \
return default_ret_value;\
}
p_mlv->pf_##name ARGS(__VA_ARGS__) ; \
return; \
} \
- libvlc_exception_raise( p_e, "No '" #name "' method in this media_list_view" ); \
+ libvlc_exception_raise( p_e ); \
+ libvlc_printerr( "No '" #name "' method in this media_list_view" ); \
}
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( index_of_item, int, -1, libvlc_media_descriptor_t * arg1 )
-
-MEDIA_LIST_VIEW_FUNCTION_VOID_RET( insert_at_index, libvlc_media_descriptor_t * arg1, int arg2 )
-MEDIA_LIST_VIEW_FUNCTION_VOID_RET( remove_at_index, int arg1 )
-MEDIA_LIST_VIEW_FUNCTION_VOID_RET( add_item, libvlc_media_descriptor_t * 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