100 lines
3.4 KiB
C++
100 lines
3.4 KiB
C++
/***************************************************************************
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* Copyright (C) 2008-2014 by Andrzej Rybczak *
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* electricityispower@gmail.com *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program; if not, write to the *
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* Free Software Foundation, Inc., *
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* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. *
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***************************************************************************/
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#ifndef NCMPCPP_LYRICS_H
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#define NCMPCPP_LYRICS_H
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#include <pthread.h>
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#include <queue>
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#include "interfaces.h"
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#include "lyrics_fetcher.h"
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#include "screen.h"
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#include "song.h"
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struct Lyrics: Screen<NC::Scrollpad>, Tabbable
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{
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Lyrics();
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// Screen<NC::Scrollpad> implementation
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virtual void resize() OVERRIDE;
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virtual void switchTo() OVERRIDE;
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virtual std::wstring title() OVERRIDE;
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virtual ScreenType type() OVERRIDE { return ScreenType::Lyrics; }
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virtual void update() OVERRIDE;
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virtual bool isLockable() OVERRIDE { return false; }
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virtual bool isMergable() OVERRIDE { return true; }
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// private members
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bool SetSong(const MPD::Song &s);
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void Edit();
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# ifdef HAVE_CURL_CURL_H
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void Refetch();
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static void ToggleFetcher();
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static void DownloadInBackground(const MPD::Song &s);
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# endif // HAVE_CURL_CURL_H
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bool Reload;
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private:
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void Load();
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# ifdef HAVE_CURL_CURL_H
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static void *DownloadInBackgroundImpl(void *song_ptr);
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static void DownloadInBackgroundImplHelper(const MPD::Song &s);
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// lock for allowing exclusive access to itsToDownload and itsWorkersNumber
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static pthread_mutex_t itsDIBLock;
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// storage for songs for which lyrics are scheduled to be downloaded
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static std::queue<MPD::Song *> itsToDownload;
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// current worker threads (ie. downloading lyrics)
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static size_t itsWorkersNumber;
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// maximum number of worker threads. if it's reached, next lyrics requests
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// are put into itsToDownload queue.
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static const size_t itsMaxWorkersNumber = 4;
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void *Download();
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static void *DownloadWrapper(void *);
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static void Save(const std::string &filename, const std::string &lyrics);
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void Take();
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bool isReadyToTake;
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bool isDownloadInProgress;
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pthread_t itsDownloader;
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static LyricsFetcher **itsFetcher;
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# endif // HAVE_CURL_CURL_H
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size_t itsScrollBegin;
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MPD::Song itsSong;
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std::string itsFilename;
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static std::string GenerateFilename(const MPD::Song &s);
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};
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extern Lyrics *myLyrics;
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#endif // NCMPCPP_LYRICS_H
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