1 /***************************************************************************
2 * Copyright (C) 2008-2014 by Andrzej Rybczak *
3 * electricityispower@gmail.com *
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. *
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. *
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 ***************************************************************************/
21 #ifndef NCMPCPP_LYRICS_H
22 #define NCMPCPP_LYRICS_H
27 #include "interfaces.h"
28 #include "lyrics_fetcher.h"
32 struct Lyrics
: Screen
<NC::Scrollpad
>, Tabbable
36 // Screen<NC::Scrollpad> implementation
37 virtual void resize() OVERRIDE
;
38 virtual void switchTo() OVERRIDE
;
40 virtual std::wstring
title() OVERRIDE
;
41 virtual ScreenType
type() OVERRIDE
{ return ScreenType::Lyrics
; }
43 virtual void update() OVERRIDE
;
45 virtual void enterPressed() OVERRIDE
{ }
46 virtual void spacePressed() OVERRIDE
;
48 virtual bool isMergable() OVERRIDE
{ return true; }
51 bool SetSong(const MPD::Song
&s
);
54 # ifdef HAVE_CURL_CURL_H
57 static void ToggleFetcher();
58 static void DownloadInBackground(const MPD::Song
&s
);
59 # endif // HAVE_CURL_CURL_H
64 virtual bool isLockable() OVERRIDE
{ return false; }
69 # ifdef HAVE_CURL_CURL_H
70 static void *DownloadInBackgroundImpl(void *song_ptr
);
71 static void DownloadInBackgroundImplHelper(const MPD::Song
&s
);
72 // lock for allowing exclusive access to itsToDownload and itsWorkersNumber
73 static pthread_mutex_t itsDIBLock
;
74 // storage for songs for which lyrics are scheduled to be downloaded
75 static std::queue
<MPD::Song
*> itsToDownload
;
76 // current worker threads (ie. downloading lyrics)
77 static size_t itsWorkersNumber
;
78 // maximum number of worker threads. if it's reached, next lyrics requests
79 // are put into itsToDownload queue.
80 static const size_t itsMaxWorkersNumber
= 4;
83 static void *DownloadWrapper(void *);
84 static void Save(const std::string
&filename
, const std::string
&lyrics
);
88 bool isDownloadInProgress
;
89 pthread_t itsDownloader
;
91 static LyricsFetcher
**itsFetcher
;
92 # endif // HAVE_CURL_CURL_H
94 size_t itsScrollBegin
;
96 std::string itsFilename
;
98 static std::string
GenerateFilename(const MPD::Song
&s
);
101 extern Lyrics
*myLyrics
;
103 #endif // NCMPCPP_LYRICS_H