src/screens/playlist.h

   1 /***************************************************************************
   2  *   Copyright (C) 2008-2016 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 "screens/screen.h"
  30 #include "song.h"
  31 #include "song_list.h"
  32
  33 struct Playlist: Screen<SongMenu>, Filterable, 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         // Filterable implementation
  59         virtual bool allowsFiltering() override;
  60         virtual std::string currentFilter() override;
  61         virtual void applyFilter(const std::string &filter) override;
  62
  63         // HasSongs implementation
  64         virtual bool itemAvailable() override;
  65         virtual bool addItemToPlaylist(bool play) override;
  66         virtual std::vector<MPD::Song> getSelectedSongs() override;
  67
  68         // other members
  69         MPD::Song nowPlayingSong();
  70
  71         // Locate song in playlist.
  72         void locateSong(const MPD::Song &s);
  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 private:
  86         std::string getTotalLength();
  87
  88         std::string m_stats;
  89
  90         std::unordered_map<MPD::Song, int, MPD::Song::Hash> m_song_refs;
  91
  92         size_t m_total_length;;
  93         size_t m_remaining_time;
  94         size_t m_scroll_begin;
  95
  96         boost::posix_time::ptime m_timer;
  97
  98         bool m_reload_total_length;
  99         bool m_reload_remaining;
 100
 101         Regex::Filter<MPD::Song> m_search_predicate;
 102 };
 103
 104 extern Playlist *myPlaylist;
 105
 106 #endif // NCMPCPP_PLAYLIST_H
 107