src/prune.c

   1 /* gmpc-dynamic-playlist (GMPC plugin)
   2  * Copyright (C) 2009 Andre Klitzing <andre@incubo.de>
   3  * Homepage: http://www.incubo.de
   4
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14
  15  * You should have received a copy of the GNU General Public License along
  16  * with this program; if not, write to the Free Software Foundation, Inc.,
  17  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  18 */
  19
  20 #include "prune.h"
  21 #include "plugin.h"
  22 #include <gmpc/playlist3-messages.h>
  23 #include <libmpd/libmpd.h>
  24 #include <glib/gi18n-lib.h>
  25 #include "defaults.h"
  26
  27 static gint m_keep = -1;
  28
  29 void init_prune()
  30 {
  31         m_keep = cfg_get_single_value_as_int_with_default(config, "dynamic-playlist", "keep", -1);
  32 }
  33
  34 void set_prune_value(gint l_value)
  35 {
  36         m_keep = l_value;
  37         cfg_set_single_value_as_int(config, "dynamic-playlist", "keep", m_keep);
  38 }
  39
  40 gint get_prune_value()
  41 {
  42         return m_keep;
  43 }
  44
  45 void prune_playlist(gint l_curPos)
  46 {
  47         prune_playlist_value(l_curPos, m_keep);
  48 }
  49
  50 void prune_playlist_value(gint l_curPos, gint l_keep)
  51 {
  52         if(l_keep < 0 || l_curPos < 1)
  53                 return;
  54
  55         gint del;
  56         for(del = 0; del < l_curPos - l_keep; ++del)
  57                 mpd_playlist_queue_delete_pos(connection, 0);
  58
  59         mpd_playlist_queue_commit(connection);
  60 }
  61
  62 void prune_playlist_easy(G_GNUC_UNUSED gpointer l_data, const gchar* l_param)
  63 {
  64         g_assert(l_param != NULL);
  65
  66         if(!dyn_get_enabled())
  67         {
  68                 playlist3_show_error_message(_("Dynamic playlist is disabled"), ERROR_INFO);
  69                 return;
  70         }
  71
  72         mpd_Song* curSong = mpd_playlist_get_current_song(connection);
  73         if(curSong == NULL)
  74         {
  75                 playlist3_show_error_message(_("Cannot prune playlist! You need to play a song for pruning."), ERROR_INFO);
  76                 return;
  77         }
  78
  79         if(l_param[0] == '\0')
  80                 prune_playlist(curSong->pos);
  81         else
  82                 prune_playlist_value(curSong->pos, atoi(l_param));
  83 }
  84
  85 /* vim:set ts=4 sw=4: */