src/screens/lastfm.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2008-2017 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 #include "screens/lastfm.h"
  22
  23 #include "helpers.h"
  24 #include "charset.h"
  25 #include "global.h"
  26 #include "statusbar.h"
  27 #include "title.h"
  28 #include "screens/screen_switcher.h"
  29
  30 using Global::MainHeight;
  31 using Global::MainStartY;
  32
  33 Lastfm *myLastfm;
  34
  35 Lastfm::Lastfm()
  36         : Screen(NC::Scrollpad(0, MainStartY, COLS, MainHeight, "", Config.main_color, NC::Border()))
  37         , m_refresh_window(false)
  38 { }
  39
  40 void Lastfm::resize()
  41 {
  42         size_t x_offset, width;
  43         getWindowResizeParams(x_offset, width);
  44         w.resize(width, MainHeight);
  45         w.moveTo(x_offset, MainStartY);
  46         hasToBeResized = 0;
  47 }
  48
  49 std::wstring Lastfm::title()
  50 {
  51         if (m_title.empty())
  52                 return L"Last.fm";
  53         else
  54                 return m_title;
  55 }
  56
  57 void Lastfm::update()
  58 {
  59         if (m_worker.valid() && m_worker.is_ready())
  60         {
  61                 auto result = m_worker.get();
  62                 if (result.first)
  63                 {
  64                         w.clear();
  65                         w << Charset::utf8ToLocale(result.second);
  66                         m_service->beautifyOutput(w);
  67                 }
  68                 else
  69                         w << " " << NC::Color::Red << result.second << NC::Color::End;
  70                 // reset m_worker so it's no longer valid
  71                 m_worker = boost::BOOST_THREAD_FUTURE<LastFm::Service::Result>();
  72                 m_refresh_window = true;
  73         }
  74
  75         if (m_refresh_window)
  76         {
  77                 m_refresh_window = false;
  78                 w.flush();
  79                 w.refresh();
  80         }
  81 }
  82
  83 void Lastfm::switchTo()
  84 {
  85         using Global::myScreen;
  86         if (myScreen != this)
  87         {
  88                 SwitchTo::execute(this);
  89                 drawHeader();
  90         }
  91         else
  92                 switchToPreviousScreen();
  93 }