modules/misc/playlist/html.c

   1 /*****************************************************************************
   2  * html.c : HTML playlist export module
   3  *****************************************************************************
   4  * Copyright (C) 2008-2009 the VideoLAN team
   5  *
   6  * Authors: Rémi Duraffort <ivoire@videolan.org>
   7  *
   8  * This program is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License as published by
  10  * the Free Software Foundation; either version 2 of the License, or
  11  * (at your option) any later version.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with this program; if not, write to the Free Software
  20  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  21  *****************************************************************************/
  22
  23 #ifdef HAVE_CONFIG_H
  24 # include "config.h"
  25 #endif
  26
  27 #include <vlc_common.h>
  28 #include <vlc_input_item.h>
  29 #include <vlc_playlist_export.h>
  30 #include <vlc_strings.h>
  31
  32 #include <assert.h>
  33
  34
  35 // Export the playlist in HTML
  36 int Export_HTML( vlc_object_t *p_this );
  37
  38
  39 /**
  40  * Recursively follow the playlist
  41  * @param p_export: the export structure
  42  * @param p_root: the current node
  43  */
  44 static void DoExport( struct vlc_playlist_export *p_export )
  45 {
  46     /* Go through the playlist and add items */
  47     size_t count = vlc_playlist_view_Count(p_export->playlist_view);
  48     for( size_t i = 0; i < count; ++i )
  49     {
  50         vlc_playlist_item_t *item =
  51             vlc_playlist_view_Get(p_export->playlist_view, i);
  52
  53         input_item_t *media = vlc_playlist_item_GetMedia(item);
  54
  55         char* psz_name = NULL;
  56         char *psz_tmp = input_item_GetName(media);
  57         if( psz_tmp )
  58             psz_name = vlc_xml_encode( psz_tmp );
  59         free( psz_tmp );
  60
  61         if( psz_name )
  62         {
  63             char* psz_artist = NULL;
  64             psz_tmp = input_item_GetArtist(media);
  65             if( psz_tmp )
  66                 psz_artist = vlc_xml_encode( psz_tmp );
  67             free( psz_tmp );
  68
  69             vlc_tick_t i_duration = input_item_GetDuration(media);
  70             int min = SEC_FROM_VLC_TICK( i_duration ) / 60;
  71             int sec = SEC_FROM_VLC_TICK( i_duration ) - min * 60;
  72
  73             // Print the artist if we have one
  74             if( psz_artist && *psz_artist )
  75                 fprintf( p_export->file, "    <li>%s - %s (%02d:%02d)</li>\n", psz_artist, psz_name, min, sec );
  76             else
  77                 fprintf( p_export->file, "    <li>%s (%2d:%2d)</li>\n", psz_name, min, sec);
  78
  79             free( psz_artist );
  80         }
  81         free( psz_name );
  82     }
  83 }
  84
  85
  86 /**
  87  * Export the playlist as an HTML page
  88  * @param p_this: the playlist
  89  * @return VLC_SUCCESS if everything goes fine
  90  */
  91 int Export_HTML( vlc_object_t *p_this )
  92 {
  93     struct vlc_playlist_export *p_export = (struct vlc_playlist_export *) p_this;
  94
  95     msg_Dbg( p_export, "saving using HTML format" );
  96
  97     /* Write header */
  98     fprintf( p_export->file, "<?xml version=\"1.0\" encoding=\"utf-8\" ?>\n"
  99 "<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.1//EN\" \"http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd\">\n"
 100 "<html xmlns=\"http://www.w3.org/1999/xhtml\" xml:lang=\"en\">\n"
 101 "<head>\n"
 102 "  <meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\" />\n"
 103 "  <meta name=\"Generator\" content=\"VLC media player\" />\n"
 104 "  <meta name=\"Author\" content=\"VLC, http://www.videolan.org/vlc/\" />\n"
 105 "  <title>VLC generated playlist</title>\n"
 106 "  <style type=\"text/css\">\n"
 107 "    body {\n"
 108 "      background-color: #E4F3FF;\n"
 109 "      font-family: sans-serif, Helvetica, Arial;\n"
 110 "      font-size: 13px;\n"
 111 "    }\n"
 112 "    h1 {\n"
 113 "      color: #2D58AE;\n"
 114 "      font-size: 25px;\n"
 115 "    }\n"
 116 "    hr {\n"
 117 "      color: #555555;\n"
 118 "    }\n"
 119 "  </style>\n"
 120 "</head>\n\n"
 121 "<body>\n"
 122 "  <h1>Playlist</h1>\n"
 123 "  <hr />\n"
 124 "  <ol>\n" );
 125
 126     // Call the playlist constructor
 127     DoExport(p_export);
 128
 129     // Print the footer
 130     fprintf( p_export->file, "  </ol>\n"
 131 "  <hr />\n"
 132 "</body>\n"
 133 "</html>" );
 134     return VLC_SUCCESS;
 135 }
 136