* Private functions
*/
+
+
/**************************************************************************
* notify_item_addition (private)
*
- * Call parent playlist and send the appropriate event.
+ * Do the appropriate action when an item is deleted.
**************************************************************************/
static void
notify_item_addition( libvlc_media_list_t * p_mlist,
{
libvlc_event_t event;
+ /* Construct the event */
event.type = libvlc_MediaListItemAdded;
event.u.media_list_item_added.item = p_md;
event.u.media_list_item_added.index = index;
-
+
+ /* Send the event */
libvlc_event_send( p_mlist->p_event_manager, &event );
}
/**************************************************************************
* notify_item_deletion (private)
*
- * Call parent playlist and send the appropriate event.
+ * Do the appropriate action when an item is added.
**************************************************************************/
static void
notify_item_deletion( libvlc_media_list_t * p_mlist,
int index )
{
libvlc_event_t event;
-
+
+ /* Construct the event */
event.type = libvlc_MediaListItemDeleted;
event.u.media_list_item_deleted.item = p_md;
event.u.media_list_item_deleted.index = index;
+ /* Send the event */
+ libvlc_event_send( p_mlist->p_event_manager, &event );
+}
+
+/**************************************************************************
+ * media_descriptor_changed (private) (libvlc Event Callback )
+ *
+ * An item has changed.
+ **************************************************************************/
+static void
+media_descriptor_changed( const libvlc_event_t * p_event, void * user_data )
+{
+ libvlc_media_list_t * p_mlist = user_data;
+ libvlc_media_descriptor_t * p_md = p_event->p_obj;
+ libvlc_event_t event;
+
+ /* Construct the new media list event */
+ event.type = libvlc_MediaListItemChanged;
+ event.u.media_list_item_changed.item = p_md;
+
+ /* XXX: this is not good, but there is a solution in the pipeline */
+ event.u.media_list_item_changed.index =
+ libvlc_media_list_index_of_item( p_mlist, p_md, NULL );
+
+ /* Send the event */
libvlc_event_send( p_mlist->p_event_manager, &event );
}
+/**************************************************************************
+ * install_media_descriptor_observer (private)
+ *
+ * Do the appropriate action when an item is deleted.
+ **************************************************************************/
+static void
+install_media_descriptor_observer( libvlc_media_list_t * p_mlist,
+ libvlc_media_descriptor_t * p_md )
+{
+ libvlc_event_attach( p_md->p_event_manager,
+ libvlc_MediaDescriptorMetaChanged,
+ media_descriptor_changed,
+ p_mlist, NULL );
+}
+
+/**************************************************************************
+ * uninstall_media_descriptor_observer (private)
+ *
+ * Do the appropriate action when an item is deleted.
+ **************************************************************************/
+static void
+uninstall_media_descriptor_observer( libvlc_media_list_t * p_mlist,
+ libvlc_media_descriptor_t * p_md )
+{
+ libvlc_event_detach( p_md->p_event_manager,
+ libvlc_MediaDescriptorMetaChanged,
+ media_descriptor_changed,
+ p_mlist, NULL );
+}
+
/**************************************************************************
* dynamic_list_propose_item (private) (Event Callback)
*
libvlc_event_manager_release( p_mlist->p_event_manager );
FOREACH_ARRAY( p_md, p_mlist->items )
+ uninstall_media_descriptor_observer( p_mlist, p_md );
libvlc_media_descriptor_release( p_md );
FOREACH_END()
{
(void)p_e;
libvlc_media_descriptor_retain( p_md );
-
ARRAY_APPEND( p_mlist->items, p_md );
notify_item_addition( p_mlist, p_md, p_mlist->items.i_size-1 );
+ install_media_descriptor_observer( p_mlist, p_md );
}
/**************************************************************************
ARRAY_INSERT( p_mlist->items, p_md, index);
notify_item_addition( p_mlist, p_md, index );
+ install_media_descriptor_observer( p_mlist, p_md );
}
/**************************************************************************
p_md = ARRAY_VAL( p_mlist->items, index );
+ uninstall_media_descriptor_observer( p_mlist, p_md );
+
ARRAY_REMOVE( p_mlist->items, index )
notify_item_deletion( p_mlist, p_md, index );