src/lyrics.h

   1 /***************************************************************************
   2  *   Copyright (C) 2008-2009 by Andrzej Rybczak                            *
   3  *   electricityispower@gmail.com                                          *
   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 _LYRICS_H
  22 #define _LYRICS_H
  23
  24 #include "ncmpcpp.h"
  25 #include "mpdpp.h"
  26 #include "screen.h"
  27
  28 #ifdef HAVE_CURL_CURL_H
  29 # include "curl/curl.h"
  30 #endif
  31
  32 class Lyrics : public Screen<Scrollpad>
  33 {
  34         struct Plugin
  35         {
  36                 const char *url;
  37                 const char *tag_open;
  38                 const char *tag_close;
  39                 bool (*not_found)(const std::string &);
  40         };
  41
  42         public:
  43                 Lyrics() : itsScrollBegin(0) { }
  44                 ~Lyrics() { }
  45
  46                 virtual void Resize();
  47                 virtual void SwitchTo();
  48
  49                 virtual std::basic_string<my_char_t> Title();
  50
  51                 virtual void Update();
  52
  53                 virtual void EnterPressed() { }
  54                 virtual void SpacePressed();
  55
  56                 virtual bool allowsSelection() { return false; }
  57
  58                 virtual List *GetList() { return 0; }
  59
  60                 void Edit();
  61                 void FetchAgain();
  62
  63                 static bool Reload;
  64
  65 #               ifdef HAVE_CURL_CURL_H
  66                 static const char *GetPluginName(int offset);
  67
  68                 static const unsigned DBs;
  69 #               endif // HAVE_CURL_CURL_H
  70
  71         protected:
  72                 virtual void Init();
  73
  74         private:
  75                 std::string itsFilenamePath;
  76
  77                 static const std::string Folder;
  78
  79 #               ifdef HAVE_CURL_CURL_H
  80                 static void *Get(void *);
  81
  82 #               ifdef HAVE_PTHREAD_H
  83                 void Take();
  84 #               endif // HAVE_PTHREAD_H
  85
  86                 static const Plugin *ChoosePlugin(int);
  87                 static bool LyricsPlugin_NotFound(const std::string &);
  88
  89                 static bool Ready;
  90
  91 #               ifdef HAVE_PTHREAD_H
  92                 static pthread_t *Downloader;
  93 #               endif // HAVE_PTHREAD_H
  94
  95                 static const char *PluginsList[];
  96                 static const Plugin LyricsPlugin;
  97 #               endif // HAVE_CURL_CURL_H
  98
  99                 size_t itsScrollBegin;
 100                 MPD::Song itsSong;
 101 };
 102
 103 extern Lyrics *myLyrics;
 104
 105 #endif
 106