src/screens/media_library.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_MEDIA_LIBRARY_H
  22 #define NCMPCPP_MEDIA_LIBRARY_H
  23
  24 #include <boost/date_time/posix_time/posix_time_types.hpp>
  25
  26 #include "interfaces.h"
  27 #include "regex_filter.h"
  28 #include "screens/screen.h"
  29 #include "song_list.h"
  30
  31 struct MediaLibrary: Screen<NC::Window *>, Filterable, HasColumns, HasSongs, Searchable, Tabbable
  32 {
  33         MediaLibrary();
  34
  35         virtual void switchTo() override;
  36         virtual void resize() override;
  37
  38         virtual std::wstring title() override;
  39         virtual ScreenType type() override { return ScreenType::MediaLibrary; }
  40
  41         virtual void refresh() override;
  42         virtual void update() override;
  43
  44         virtual int windowTimeout() 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         // HasColumns implementation
  69         virtual bool previousColumnAvailable() override;
  70         virtual void previousColumn() override;
  71
  72         virtual bool nextColumnAvailable() override;
  73         virtual void nextColumn() override;
  74
  75         // other members
  76         void updateTimer();
  77         void toggleColumnsMode();
  78         int columns();
  79         void locateSong(const MPD::Song &s);
  80         void toggleSortMode();
  81
  82         void requestTagsUpdate() { m_tags_update_request = true; }
  83         void requestAlbumsUpdate() { m_albums_update_request = true; }
  84         void requestSongsUpdate() { m_songs_update_request = true; }
  85
  86         struct PrimaryTag
  87         {
  88                 PrimaryTag() : m_mtime(0) { }
  89                 PrimaryTag(std::string tag_, time_t mtime_)
  90                 : m_tag(std::move(tag_)), m_mtime(mtime_) { }
  91
  92                 const std::string &tag() const { return m_tag; }
  93                 time_t mtime() const { return m_mtime; }
  94
  95         private:
  96                 std::string m_tag;
  97                 time_t m_mtime;
  98         };
  99
 100         struct Album
 101         {
 102                 Album(std::string tag_, std::string album_, std::string date_, time_t mtime_)
 103                 : m_tag(std::move(tag_)), m_album(std::move(album_))
 104                 , m_date(std::move(date_)), m_mtime(mtime_) { }
 105
 106                 const std::string &tag() const { return m_tag; }
 107                 const std::string &album() const { return m_album; }
 108                 const std::string &date() const { return m_date; }
 109                 time_t mtime() const { return m_mtime; }
 110
 111         private:
 112                 std::string m_tag;
 113                 std::string m_album;
 114                 std::string m_date;
 115                 time_t m_mtime;
 116         };
 117
 118         struct AlbumEntry
 119         {
 120                 AlbumEntry() : m_all_tracks_entry(false), m_album("", "", "", 0) { }
 121                 AlbumEntry(Album album_) : m_all_tracks_entry(false), m_album(album_) { }
 122
 123                 const Album &entry() const { return m_album; }
 124                 bool isAllTracksEntry() const { return m_all_tracks_entry; }
 125
 126                 static AlbumEntry mkAllTracksEntry(std::string tag) {
 127                         auto result = AlbumEntry(Album(tag, "", "", 0));
 128                         result.m_all_tracks_entry = true;
 129                         return result;
 130                 }
 131
 132         private:
 133                 bool m_all_tracks_entry;
 134                 Album m_album;
 135         };
 136
 137         NC::Menu<PrimaryTag> Tags;
 138         NC::Menu<AlbumEntry> Albums;
 139         SongMenu Songs;
 140
 141 private:
 142         bool m_tags_update_request;
 143         bool m_albums_update_request;
 144         bool m_songs_update_request;
 145
 146         boost::posix_time::ptime m_timer;
 147
 148         const int m_window_timeout;
 149         const boost::posix_time::time_duration m_fetching_delay;
 150
 151         Regex::Filter<PrimaryTag> m_tags_search_predicate;
 152         Regex::ItemFilter<AlbumEntry> m_albums_search_predicate;
 153         Regex::Filter<MPD::Song> m_songs_search_predicate;
 154
 155 };
 156
 157 extern MediaLibrary *myLibrary;
 158
 159 #endif // NCMPCPP_MEDIA_LIBRARY_H
 160