1 /***************************************************************************
2  *   Copyright (C) 2008-2021 by Andrzej Rybczak                            *
3  *   andrzej@rybczak.net                                                   *
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  *                                                                         *
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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;
typePlaylist42 	virtual ScreenType type() override { return ScreenType::Playlist; }
43 
44 	virtual void update() override;
45 
46 	virtual void mouseButtonPressed(MEVENT me) override;
47 
isLockablePlaylist48 	virtual bool isLockable() override { return true; }
isMergablePlaylist49 	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 
reloadTotalLengthPlaylist82 	void reloadTotalLength() { m_reload_total_length = true; }
reloadRemainingPlaylist83 	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 
108