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 * * 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_LYRICS_H 22 #define NCMPCPP_LYRICS_H 23 24 #include <atomic> 25 #include <boost/optional.hpp> 26 #include <boost/thread/future.hpp> 27 #include <memory> 28 #include <queue> 29 30 #include "interfaces.h" 31 #include "lyrics_fetcher.h" 32 #include "screens/screen.h" 33 #include "song.h" 34 #include "utility/shared_resource.h" 35 36 struct Lyrics: Screen<NC::Scrollpad>, Tabbable 37 { 38 Lyrics(); 39 40 // Screen<NC::Scrollpad> implementation 41 virtual void resize() override; 42 virtual void switchTo() override; 43 44 virtual std::wstring title() override; typeLyrics45 virtual ScreenType type() override { return ScreenType::Lyrics; } 46 47 virtual void update() override; 48 isLockableLyrics49 virtual bool isLockable() override { return true; } isMergableLyrics50 virtual bool isMergable() override { return true; } 51 52 // other members 53 void fetch(const MPD::Song &s); 54 void refetchCurrent(); 55 void edit(); 56 void toggleFetcher(); 57 58 void fetchInBackground(const MPD::Song &s, bool notify_); 59 boost::optional<std::string> tryTakeConsumerMessage(); 60 61 private: 62 struct ConsumerState 63 { 64 struct Song 65 { SongLyrics::ConsumerState::Song66 Song() 67 : m_notify(false) 68 { } 69 SongLyrics::ConsumerState::Song70 Song(const MPD::Song &s, bool notify_) 71 : m_song(s), m_notify(notify_) 72 { } 73 songLyrics::ConsumerState::Song74 const MPD::Song &song() const { return m_song; } notifyLyrics::ConsumerState::Song75 bool notify() const { return m_notify; } 76 77 private: 78 MPD::Song m_song; 79 bool m_notify; 80 }; 81 ConsumerStateLyrics::ConsumerState82 ConsumerState() 83 : running(false) 84 { } 85 86 bool running; 87 std::queue<Song> songs; 88 boost::optional<std::string> message; 89 }; 90 91 void clearWorker(); 92 void stopDownload(); 93 94 bool m_refresh_window; 95 size_t m_scroll_begin; 96 97 std::shared_ptr<Shared<NC::Buffer>> m_shared_buffer; 98 std::shared_ptr<std::atomic<bool>> m_download_stopper; 99 100 MPD::Song m_song; 101 LyricsFetcher *m_fetcher; 102 boost::BOOST_THREAD_FUTURE<boost::optional<std::string>> m_worker; 103 104 Shared<ConsumerState> m_consumer_state; 105 }; 106 107 extern Lyrics *myLyrics; 108 109 #endif // NCMPCPP_LYRICS_H 110