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 *****************************************************************************/
30 #include <vlc/libvlc.h>
31 #include <vlc/libvlc_media.h>
32 #include <vlc/libvlc_media_list.h>
33 #include <vlc/libvlc_media_list_view.h>
35 #include "media_list_view_internal.h"
38 //#define DEBUG_FLAT_VIEW
40 #ifdef DEBUG_FLAT_VIEW
41 # define trace( fmt, ... ) printf( "%s(): " fmt, __FUNCTION__, ##__VA_ARGS__ )
46 struct libvlc_media_list_view_private_t
55 /**************************************************************************
56 * ml_item_added (private) (Callback from media_list_view item_added)
57 **************************************************************************/
59 ml_item_added( const libvlc_event_t * p_event, libvlc_media_list_view_t * p_mlv )
61 int index = vlc_array_count( &p_mlv->p_this_view_data->array );
62 libvlc_media_t * p_md = p_event->u.media_list_item_added.item;
63 libvlc_media_retain( p_md );
64 trace("appending item at index %d\n", index);
66 libvlc_media_list_view_will_add_item( p_mlv, p_md, index );
67 vlc_array_append( &p_mlv->p_this_view_data->array, p_md );
68 libvlc_media_list_view_item_added( p_mlv, p_md, index );
71 /**************************************************************************
72 * ml_item_removed (private) (Callback from media_list_view)
73 **************************************************************************/
75 ml_item_removed( const libvlc_event_t * p_event, libvlc_media_list_view_t * p_mlv )
77 libvlc_media_t * p_md = p_event->u.media_list_item_deleted.item;
78 int i = vlc_array_index_of_item( &p_mlv->p_this_view_data->array, p_md );
81 libvlc_media_list_view_will_delete_item( p_mlv, p_md, i );
82 vlc_array_remove( &p_mlv->p_this_view_data->array, i );
83 libvlc_media_list_view_item_deleted( p_mlv, p_md, i );
84 libvlc_media_release( p_md );
88 /**************************************************************************
89 * flat_media_list_view_count (private)
90 * (called by media_list_view_count)
91 **************************************************************************/
93 flat_media_list_view_count( libvlc_media_list_view_t * p_mlv,
94 libvlc_exception_t * p_e )
97 return vlc_array_count( &p_mlv->p_this_view_data->array );
100 /**************************************************************************
101 * flat_media_list_view_item_at_index (private)
102 * (called by flat_media_list_view_item_at_index)
103 **************************************************************************/
104 static libvlc_media_t *
105 flat_media_list_view_item_at_index( libvlc_media_list_view_t * p_mlv,
107 libvlc_exception_t * p_e )
109 libvlc_media_t * p_md;
111 p_md = vlc_array_item_at_index( &p_mlv->p_this_view_data->array, index );
112 libvlc_media_retain( p_md );
116 /**************************************************************************
117 * flat_media_list_view_item_at_index (private)
118 * (called by flat_media_list_view_item_at_index)
119 **************************************************************************/
120 static libvlc_media_list_view_t *
121 flat_media_list_view_children_at_index( libvlc_media_list_view_t * p_mlv,
123 libvlc_exception_t * p_e )
125 (void)p_mlv; (void)index; (void)p_e;
129 /**************************************************************************
130 * flat_media_list_view_release (private)
131 * (called by media_list_view_release)
132 **************************************************************************/
134 flat_media_list_view_release( libvlc_media_list_view_t * p_mlv )
136 vlc_array_clear( &p_mlv->p_this_view_data->array );
137 free( p_mlv->p_this_view_data );
141 * Public libvlc functions
146 import_mlist_rec( libvlc_media_list_view_t * p_mlv,
147 libvlc_media_list_t * p_mlist,
148 libvlc_exception_t * p_e )
151 count = libvlc_media_list_count( p_mlist );
152 for( i = 0; i < count; i++ )
154 libvlc_media_t * p_md;
155 libvlc_media_list_t * p_submlist;
156 p_md = libvlc_media_list_item_at_index( p_mlist, i, p_e );
157 vlc_array_append( &p_mlv->p_this_view_data->array, p_md );
158 p_submlist = libvlc_media_subitems( p_md );
161 libvlc_media_list_lock( p_submlist );
162 import_mlist_rec( p_mlv, p_submlist, p_e );
163 libvlc_media_list_unlock( p_submlist );
164 libvlc_media_list_release( p_submlist );
166 /* No need to release the md, as we want to retain it, as it is
167 * stored in our array */
171 /**************************************************************************
172 * libvlc_media_list_flat_view (Public)
173 **************************************************************************/
174 libvlc_media_list_view_t *
175 libvlc_media_list_flat_view( libvlc_media_list_t * p_mlist,
176 libvlc_exception_t * p_e )
179 libvlc_media_list_view_t * p_mlv;
180 struct libvlc_media_list_view_private_t * p_this_view_data;
181 p_this_view_data = malloc(sizeof(struct libvlc_media_list_view_private_t));
182 vlc_array_init( &p_this_view_data->array );
183 p_mlv = libvlc_media_list_view_new( p_mlist,
184 flat_media_list_view_count,
185 flat_media_list_view_item_at_index,
186 flat_media_list_view_children_at_index,
187 libvlc_media_list_flat_view,
188 flat_media_list_view_release,
190 libvlc_media_list_lock( p_mlist );
191 import_mlist_rec( p_mlv, p_mlist, p_e );
192 libvlc_media_list_view_set_ml_notification_callback( p_mlv,
195 libvlc_media_list_unlock( p_mlist );