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 *****************************************************************************/
24 #include "libvlc_internal.h"
25 #include <vlc/libvlc.h>
27 #include "vlc_arrays.h"
29 //#define DEBUG_FLAT_VIEW
31 #ifdef DEBUG_FLAT_VIEW
32 # define trace( fmt, ... ) printf( "%s(): " fmt, __FUNCTION__, ##__VA_ARGS__ )
37 struct libvlc_media_list_view_private_t
46 /**************************************************************************
47 * ml_item_added (private) (Callback from media_list_view item_added)
48 **************************************************************************/
50 ml_item_added( const libvlc_event_t * p_event, libvlc_media_list_view_t * p_mlv )
52 int index = vlc_array_count( &p_mlv->p_this_view_data->array );
53 libvlc_media_t * p_md = p_event->u.media_list_item_added.item;
54 libvlc_media_retain( p_md );
55 trace("appending item at index %d\n", index);
57 libvlc_media_list_view_will_add_item( p_mlv, p_md, index );
58 vlc_array_append( &p_mlv->p_this_view_data->array, p_md );
59 libvlc_media_list_view_item_added( p_mlv, p_md, index );
62 /**************************************************************************
63 * ml_item_removed (private) (Callback from media_list_view)
64 **************************************************************************/
66 ml_item_removed( const libvlc_event_t * p_event, libvlc_media_list_view_t * p_mlv )
68 libvlc_media_t * p_md = p_event->u.media_list_item_deleted.item;
69 int i = vlc_array_index_of_item( &p_mlv->p_this_view_data->array, p_md );
72 libvlc_media_list_view_will_delete_item( p_mlv, p_md, i );
73 vlc_array_remove( &p_mlv->p_this_view_data->array, i );
74 libvlc_media_list_view_item_deleted( p_mlv, p_md, i );
75 libvlc_media_release( p_md );
79 /**************************************************************************
80 * flat_media_list_view_count (private)
81 * (called by media_list_view_count)
82 **************************************************************************/
84 flat_media_list_view_count( libvlc_media_list_view_t * p_mlv,
85 libvlc_exception_t * p_e )
88 return vlc_array_count( &p_mlv->p_this_view_data->array );
91 /**************************************************************************
92 * flat_media_list_view_item_at_index (private)
93 * (called by flat_media_list_view_item_at_index)
94 **************************************************************************/
95 static libvlc_media_t *
96 flat_media_list_view_item_at_index( libvlc_media_list_view_t * p_mlv,
98 libvlc_exception_t * p_e )
100 libvlc_media_t * p_md;
102 p_md = vlc_array_item_at_index( &p_mlv->p_this_view_data->array, index );
103 libvlc_media_retain( p_md );
107 /**************************************************************************
108 * flat_media_list_view_item_at_index (private)
109 * (called by flat_media_list_view_item_at_index)
110 **************************************************************************/
111 static libvlc_media_list_view_t *
112 flat_media_list_view_children_at_index( libvlc_media_list_view_t * p_mlv,
114 libvlc_exception_t * p_e )
116 (void)p_mlv; (void)index; (void)p_e;
120 /**************************************************************************
121 * flat_media_list_view_release (private)
122 * (called by media_list_view_release)
123 **************************************************************************/
125 flat_media_list_view_release( libvlc_media_list_view_t * p_mlv )
127 vlc_array_clear( &p_mlv->p_this_view_data->array );
128 free( p_mlv->p_this_view_data );
132 * Public libvlc functions
137 import_mlist_rec( libvlc_media_list_view_t * p_mlv,
138 libvlc_media_list_t * p_mlist,
139 libvlc_exception_t * p_e )
142 count = libvlc_media_list_count( p_mlist, p_e );
143 for( i = 0; i < count; i++ )
145 libvlc_media_t * p_md;
146 libvlc_media_list_t * p_submlist;
147 p_md = libvlc_media_list_item_at_index( p_mlist, i, p_e );
148 vlc_array_append( &p_mlv->p_this_view_data->array, p_md );
149 p_submlist = libvlc_media_subitems( p_md, p_e );
152 libvlc_media_list_lock( p_submlist );
153 import_mlist_rec( p_mlv, p_submlist, p_e );
154 libvlc_media_list_unlock( p_submlist );
155 libvlc_media_list_release( p_submlist );
157 /* No need to release the md, as we want to retain it, as it is
158 * stored in our array */
162 /**************************************************************************
163 * libvlc_media_list_flat_view (Public)
164 **************************************************************************/
165 libvlc_media_list_view_t *
166 libvlc_media_list_flat_view( libvlc_media_list_t * p_mlist,
167 libvlc_exception_t * p_e )
170 libvlc_media_list_view_t * p_mlv;
171 struct libvlc_media_list_view_private_t * p_this_view_data;
172 p_this_view_data = malloc(sizeof(struct libvlc_media_list_view_private_t));
173 vlc_array_init( &p_this_view_data->array );
174 p_mlv = libvlc_media_list_view_new( p_mlist,
175 flat_media_list_view_count,
176 flat_media_list_view_item_at_index,
177 flat_media_list_view_children_at_index,
178 libvlc_media_list_flat_view,
179 flat_media_list_view_release,
182 libvlc_media_list_lock( p_mlist );
183 import_mlist_rec( p_mlv, p_mlist, p_e );
184 libvlc_media_list_view_set_ml_notification_callback( p_mlv,
187 libvlc_media_list_unlock( p_mlist );