Files
ncmpcpp/src/screens/lyrics.h
2020-12-19 17:51:49 +01:00

110 lines
3.2 KiB
C++

/***************************************************************************
* Copyright (C) 2008-2021 by Andrzej Rybczak *
* andrzej@rybczak.net *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. *
***************************************************************************/
#ifndef NCMPCPP_LYRICS_H
#define NCMPCPP_LYRICS_H
#include <atomic>
#include <boost/optional.hpp>
#include <boost/thread/future.hpp>
#include <memory>
#include <queue>
#include "interfaces.h"
#include "lyrics_fetcher.h"
#include "screens/screen.h"
#include "song.h"
#include "utility/shared_resource.h"
struct Lyrics: Screen<NC::Scrollpad>, Tabbable
{
Lyrics();
// Screen<NC::Scrollpad> implementation
virtual void resize() override;
virtual void switchTo() override;
virtual std::wstring title() override;
virtual ScreenType type() override { return ScreenType::Lyrics; }
virtual void update() override;
virtual bool isLockable() override { return true; }
virtual bool isMergable() override { return true; }
// other members
void fetch(const MPD::Song &s);
void refetchCurrent();
void edit();
void toggleFetcher();
void fetchInBackground(const MPD::Song &s, bool notify_);
boost::optional<std::string> tryTakeConsumerMessage();
private:
struct ConsumerState
{
struct Song
{
Song()
: m_notify(false)
{ }
Song(const MPD::Song &s, bool notify_)
: m_song(s), m_notify(notify_)
{ }
const MPD::Song &song() const { return m_song; }
bool notify() const { return m_notify; }
private:
MPD::Song m_song;
bool m_notify;
};
ConsumerState()
: running(false)
{ }
bool running;
std::queue<Song> songs;
boost::optional<std::string> message;
};
void clearWorker();
void stopDownload();
bool m_refresh_window;
size_t m_scroll_begin;
std::shared_ptr<Shared<NC::Buffer>> m_shared_buffer;
std::shared_ptr<std::atomic<bool>> m_download_stopper;
MPD::Song m_song;
LyricsFetcher *m_fetcher;
boost::BOOST_THREAD_FUTURE<boost::optional<std::string>> m_worker;
Shared<ConsumerState> m_consumer_state;
};
extern Lyrics *myLyrics;
#endif // NCMPCPP_LYRICS_H