src/playlist.h

   1 /***************************************************************************
   2  *   Copyright (C) 2008-2014 by Andrzej Rybczak                            *
   3  *   electricityispower@gmail.com                                          *
   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     *
  16  *   along with this program; if not, write to the                         *
  17  *   Free Software Foundation, Inc.,                                       *
  18  *   51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.              *
  19  ***************************************************************************/
  20
  21 #ifndef NCMPCPP_PLAYLIST_H
  22 #define NCMPCPP_PLAYLIST_H
  23
  24 #include <boost/date_time/posix_time/posix_time_types.hpp>
  25 #include <unordered_map>
  26
  27 #include "interfaces.h"
  28 #include "regex_filter.h"
  29 #include "screen.h"
  30 #include "song.h"
  31 #include "song_list.h"
  32
  33 struct Playlist: Screen<SongMenu>, HasSongs, Searchable, Tabbable
  34 {
  35         Playlist();
  36
  37         // Screen<SongMenu> implementation
  38         virtual void switchTo() OVERRIDE;
  39         virtual void resize() OVERRIDE;
  40
  41         virtual std::wstring title() OVERRIDE;
  42         virtual ScreenType type() OVERRIDE { return ScreenType::Playlist; }
  43
  44         virtual void update() OVERRIDE;
  45
  46         virtual void mouseButtonPressed(MEVENT me) OVERRIDE;
  47
  48         virtual bool isLockable() OVERRIDE { return true; }
  49         virtual bool isMergable() OVERRIDE { return true; }
  50
  51         // Searchable implementation
  52         virtual bool allowsSearching() OVERRIDE;
  53         virtual const std::string &searchConstraint() OVERRIDE;
  54         virtual void setSearchConstraint(const std::string &constraint) OVERRIDE;
  55         virtual void clearSearchConstraint() OVERRIDE;
  56         virtual bool search(SearchDirection direction, bool wrap, bool skip_current) OVERRIDE;
  57
  58         virtual std::string currentFilter() OVERRIDE;
  59         virtual void applyFilter(const std::string &filter) OVERRIDE;
  60
  61         // HasSongs implementation
  62         virtual bool itemAvailable() OVERRIDE;
  63         virtual bool addItemToPlaylist(bool play) OVERRIDE;
  64         virtual std::vector<MPD::Song> getSelectedSongs() OVERRIDE;
  65
  66         // other members
  67         MPD::Song nowPlayingSong();
  68
  69         // Move to given song from playlist.
  70         void moveToSong(const MPD::Song &s);
  71
  72         void enableHighlighting();
  73
  74         void setSelectedItemsPriority(int prio);
  75
  76         bool checkForSong(const MPD::Song &s);
  77         void registerSong(const MPD::Song &s);
  78         void unregisterSong(const MPD::Song &s);
  79
  80         void reloadTotalLength() { m_reload_total_length = true; }
  81         void reloadRemaining() { m_reload_remaining = true; }
  82
  83 private:
  84         std::string getTotalLength();
  85
  86         std::string m_stats;
  87
  88         std::unordered_map<MPD::Song, int, MPD::Song::Hash> m_song_refs;
  89
  90         size_t m_total_length;;
  91         size_t m_remaining_time;
  92         size_t m_scroll_begin;
  93
  94         boost::posix_time::ptime m_timer;
  95
  96         bool m_reload_total_length;
  97         bool m_reload_remaining;
  98
  99         Regex::Filter<MPD::Song> m_search_predicate;
 100 };
 101
 102 extern Playlist *myPlaylist;
 103
 104 #endif // NCMPCPP_PLAYLIST_H
 105