src/control/media_library.c

   1 /*****************************************************************************
   2  * tree.c: libvlc tags tree functions
   3  * Create a tree of the 'tags' of a media_list's medias.
   4  *****************************************************************************
   5  * Copyright (C) 2007 the VideoLAN team
   6  * $Id$
   7  *
   8  * Authors: Pierre d'Herbemont <pdherbemont # videolan.org>
   9  *
  10  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License as published by
  12  * the Free Software Foundation; either version 2 of the License, or
  13  * (at your option) any later version.
  14  *
  15  * This program is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  * GNU General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU General Public License
  21  * along with this program; if not, write to the Free Software
  22  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  23  *****************************************************************************/
  24 #include "libvlc_internal.h"
  25 #include <vlc/libvlc.h>
  26 #include "libvlc.h"
  27 #include "vlc_arrays.h"
  28
  29 /*
  30  * Private functions
  31  */
  32
  33 /*
  34  * Public libvlc functions
  35  */
  36
  37 /**************************************************************************
  38  *       new (Public)
  39  **************************************************************************/
  40 libvlc_media_library_t *
  41 libvlc_media_library_new( libvlc_instance_t * p_inst,
  42                           libvlc_exception_t * p_e )
  43 {
  44     (void)p_e;
  45     libvlc_media_library_t * p_mlib;
  46
  47     p_mlib = malloc(sizeof(libvlc_media_library_t));
  48
  49     if( !p_mlib )
  50         return NULL;
  51
  52     p_mlib->p_libvlc_instance = p_inst;
  53     p_mlib->i_refcount = 1;
  54     p_mlib->p_mlist = NULL;
  55
  56     p_mlib->p_event_manager = libvlc_event_manager_new( p_mlib, p_inst, p_e );
  57
  58     return p_mlib;
  59 }
  60
  61 /**************************************************************************
  62  *       release (Public)
  63  **************************************************************************/
  64 void libvlc_media_library_release( libvlc_media_library_t * p_mlib )
  65 {
  66     p_mlib->i_refcount--;
  67
  68     if( p_mlib->i_refcount > 0 )
  69         return;
  70
  71     libvlc_event_manager_release( p_mlib->p_event_manager );
  72     free( p_mlib );
  73 }
  74
  75 /**************************************************************************
  76  *       retain (Public)
  77  **************************************************************************/
  78 void libvlc_media_library_retain( libvlc_media_library_t * p_mlib )
  79 {
  80     p_mlib->i_refcount++;
  81 }
  82
  83 /**************************************************************************
  84  *       load (Public)
  85  *
  86  * It doesn't yet load the playlists
  87  **************************************************************************/
  88 void
  89 libvlc_media_library_load( libvlc_media_library_t * p_mlib,
  90                            libvlc_exception_t * p_e )
  91 {
  92     char *psz_datadir = config_GetUserDataDir();
  93     char * psz_uri;
  94
  95     if( !psz_datadir ) /* XXX: i doubt that this can ever happen */
  96     {
  97         libvlc_exception_raise( p_e, "Can't get data directory" );
  98         return;
  99     }
 100
 101     if( asprintf( &psz_uri, "file/xspf-open://%s" DIR_SEP "ml.xsp",
 102                   psz_datadir ) == -1 )
 103     {
 104         free( psz_datadir );
 105         libvlc_exception_raise( p_e, "Can't get create the path" );
 106         return;
 107     }
 108     free( psz_datadir );
 109     if( p_mlib->p_mlist )
 110         libvlc_media_list_release( p_mlib->p_mlist );
 111
 112     p_mlib->p_mlist = libvlc_media_list_new(
 113                         p_mlib->p_libvlc_instance,
 114                         p_e );
 115
 116     libvlc_media_list_add_file_content( p_mlib->p_mlist, psz_uri, p_e );
 117     free( psz_uri );
 118     return;
 119 }
 120
 121 /**************************************************************************
 122  *       save (Public)
 123  **************************************************************************/
 124 void
 125 libvlc_media_library_save( libvlc_media_library_t * p_mlib,
 126                            libvlc_exception_t * p_e )
 127 {
 128     (void)p_mlib;
 129     libvlc_exception_raise( p_e, "Not supported" );
 130 }
 131
 132 /**************************************************************************
 133  *        media_list (Public)
 134  **************************************************************************/
 135 libvlc_media_list_t *
 136 libvlc_media_library_media_list( libvlc_media_library_t * p_mlib,
 137                                      libvlc_exception_t * p_e )
 138 {
 139     (void)p_e;
 140     if( p_mlib->p_mlist )
 141         libvlc_media_list_retain( p_mlib->p_mlist );
 142     return p_mlib->p_mlist;
 143 }