1 /*****************************************************************************
2 * flat_media_list_view.c: libvlc flat media list view functions.
3 *****************************************************************************
4 * Copyright (C) 2007 the VideoLAN team
7 * Authors: Pierre d'Herbemont <pdherbemont # videolan.org>
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
22 *****************************************************************************/
26 #include <vlc/libvlc.h>
27 #include <vlc/libvlc_media.h>
28 #include <vlc/libvlc_media_list.h>
29 #include <vlc/libvlc_media_list_view.h>
31 #include "media_list_view_internal.h"
34 //#define DEBUG_FLAT_VIEW
36 #ifdef DEBUG_FLAT_VIEW
37 # define trace( fmt, ... ) printf( "%s(): " fmt, __FUNCTION__, ##__VA_ARGS__ )
42 struct libvlc_media_list_view_private_t
51 /**************************************************************************
52 * ml_item_added (private) (Callback from media_list_view item_added)
53 **************************************************************************/
55 ml_item_added( const libvlc_event_t * p_event, libvlc_media_list_view_t * p_mlv )
57 int index = vlc_array_count( &p_mlv->p_this_view_data->array );
58 libvlc_media_t * p_md = p_event->u.media_list_item_added.item;
59 libvlc_media_retain( p_md );
60 trace("appending item at index %d\n", index);
62 libvlc_media_list_view_will_add_item( p_mlv, p_md, index );
63 vlc_array_append( &p_mlv->p_this_view_data->array, p_md );
64 libvlc_media_list_view_item_added( p_mlv, p_md, index );
67 /**************************************************************************
68 * ml_item_removed (private) (Callback from media_list_view)
69 **************************************************************************/
71 ml_item_removed( const libvlc_event_t * p_event, libvlc_media_list_view_t * p_mlv )
73 libvlc_media_t * p_md = p_event->u.media_list_item_deleted.item;
74 int i = vlc_array_index_of_item( &p_mlv->p_this_view_data->array, p_md );
77 libvlc_media_list_view_will_delete_item( p_mlv, p_md, i );
78 vlc_array_remove( &p_mlv->p_this_view_data->array, i );
79 libvlc_media_list_view_item_deleted( p_mlv, p_md, i );
80 libvlc_media_release( p_md );
84 /**************************************************************************
85 * flat_media_list_view_count (private)
86 * (called by media_list_view_count)
87 **************************************************************************/
89 flat_media_list_view_count( libvlc_media_list_view_t * p_mlv,
90 libvlc_exception_t * p_e )
93 return vlc_array_count( &p_mlv->p_this_view_data->array );
96 /**************************************************************************
97 * flat_media_list_view_item_at_index (private)
98 * (called by flat_media_list_view_item_at_index)
99 **************************************************************************/
100 static libvlc_media_t *
101 flat_media_list_view_item_at_index( libvlc_media_list_view_t * p_mlv,
103 libvlc_exception_t * p_e )
105 libvlc_media_t * p_md;
107 p_md = vlc_array_item_at_index( &p_mlv->p_this_view_data->array, index );
108 libvlc_media_retain( p_md );
112 /**************************************************************************
113 * flat_media_list_view_item_at_index (private)
114 * (called by flat_media_list_view_item_at_index)
115 **************************************************************************/
116 static libvlc_media_list_view_t *
117 flat_media_list_view_children_at_index( libvlc_media_list_view_t * p_mlv,
119 libvlc_exception_t * p_e )
121 (void)p_mlv; (void)index; (void)p_e;
125 /**************************************************************************
126 * flat_media_list_view_release (private)
127 * (called by media_list_view_release)
128 **************************************************************************/
130 flat_media_list_view_release( libvlc_media_list_view_t * p_mlv )
132 vlc_array_clear( &p_mlv->p_this_view_data->array );
133 free( p_mlv->p_this_view_data );
137 * Public libvlc functions
142 import_mlist_rec( libvlc_media_list_view_t * p_mlv,
143 libvlc_media_list_t * p_mlist,
144 libvlc_exception_t * p_e )
147 count = libvlc_media_list_count( p_mlist, p_e );
148 for( i = 0; i < count; i++ )
150 libvlc_media_t * p_md;
151 libvlc_media_list_t * p_submlist;
152 p_md = libvlc_media_list_item_at_index( p_mlist, i, p_e );
153 vlc_array_append( &p_mlv->p_this_view_data->array, p_md );
154 p_submlist = libvlc_media_subitems( p_md, p_e );
157 libvlc_media_list_lock( p_submlist );
158 import_mlist_rec( p_mlv, p_submlist, p_e );
159 libvlc_media_list_unlock( p_submlist );
160 libvlc_media_list_release( p_submlist );
162 /* No need to release the md, as we want to retain it, as it is
163 * stored in our array */
167 /**************************************************************************
168 * libvlc_media_list_flat_view (Public)
169 **************************************************************************/
170 libvlc_media_list_view_t *
171 libvlc_media_list_flat_view( libvlc_media_list_t * p_mlist,
172 libvlc_exception_t * p_e )
175 libvlc_media_list_view_t * p_mlv;
176 struct libvlc_media_list_view_private_t * p_this_view_data;
177 p_this_view_data = malloc(sizeof(struct libvlc_media_list_view_private_t));
178 vlc_array_init( &p_this_view_data->array );
179 p_mlv = libvlc_media_list_view_new( p_mlist,
180 flat_media_list_view_count,
181 flat_media_list_view_item_at_index,
182 flat_media_list_view_children_at_index,
183 libvlc_media_list_flat_view,
184 flat_media_list_view_release,
187 libvlc_media_list_lock( p_mlist );
188 import_mlist_rec( p_mlv, p_mlist, p_e );
189 libvlc_media_list_view_set_ml_notification_callback( p_mlv,
192 libvlc_media_list_unlock( p_mlist );