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 "screen.h"
  29 #include "song.h"
  30
  31 struct Playlist: Screen<NC::Menu<MPD::Song>>, Filterable, HasSongs, Searchable, Tabbable
  32 {
  33         Playlist();
  34
  35         // Screen<NC::Menu<MPD::Song>> implementation
  36         virtual void switchTo() OVERRIDE;
  37         virtual void resize() OVERRIDE;
  38
  39         virtual std::wstring title() OVERRIDE;
  40         virtual ScreenType type() OVERRIDE { return ScreenType::Playlist; }
  41
  42         virtual void update() OVERRIDE;
  43
  44         virtual void enterPressed() OVERRIDE;
  45         virtual void spacePressed() OVERRIDE;
  46         virtual void mouseButtonPressed(MEVENT me) OVERRIDE;
  47
  48         virtual bool isMergable() OVERRIDE { return true; }
  49
  50         // Filterable implementation
  51         virtual bool allowsFiltering() OVERRIDE;
  52         virtual std::string currentFilter() OVERRIDE;
  53         virtual void applyFilter(const std::string &filter) OVERRIDE;
  54
  55         // Searchable implementation
  56         virtual bool allowsSearching();
  57         virtual bool search(const std::string &constraint) OVERRIDE;
  58         virtual void nextFound(bool wrap) OVERRIDE;
  59         virtual void prevFound(bool wrap) OVERRIDE;
  60
  61         // HasSongs implementation
  62         virtual ProxySongList proxySongList() OVERRIDE;
  63
  64         virtual bool allowsSelection() OVERRIDE;
  65         virtual void reverseSelection() OVERRIDE;
  66         virtual MPD::SongList getSelectedSongs() OVERRIDE;
  67
  68         // private members
  69         MPD::Song nowPlayingSong();
  70
  71         bool isFiltered();
  72         void Reverse();
  73
  74         void EnableHighlighting();
  75
  76         void SetSelectedItemsPriority(int prio);
  77
  78         bool checkForSong(const MPD::Song &s);
  79         void registerSong(const MPD::Song &s);
  80         void unregisterSong(const MPD::Song &s);
  81
  82         void reloadTotalLength() { m_reload_total_length = true; }
  83         void reloadRemaining() { m_reload_remaining = true; }
  84
  85 protected:
  86         virtual bool isLockable() OVERRIDE { return true; }
  87
  88 private:
  89         std::string getTotalLength();
  90
  91         std::string m_stats;
  92
  93         std::unordered_map<MPD::Song, int, MPD::Song::Hash> m_song_refs;
  94
  95         size_t m_total_length;;
  96         size_t m_remaining_time;
  97         size_t m_scroll_begin;
  98
  99         boost::posix_time::ptime m_timer;
 100
 101         bool m_reload_total_length;
 102         bool m_reload_remaining;
 103 };
 104
 105 extern Playlist *myPlaylist;
 106
 107 #endif // NCMPCPP_PLAYLIST_H
 108