src/browser.h

   1 /***************************************************************************
   2  *   Copyright (C) 2008-2014 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 NCMPCPP_BROWSER_H
  22 #define NCMPCPP_BROWSER_H
  23
  24 #include "interfaces.h"
  25 #include "mpdpp.h"
  26 #include "screen.h"
  27
  28 struct Browser: Screen<NC::Menu<MPD::Item>>, Filterable, HasSongs, Searchable, Tabbable
  29 {
  30         Browser();
  31
  32         // Screen< NC::Menu<MPD::Item> > implementation
  33         virtual void resize() OVERRIDE;
  34         virtual void switchTo() OVERRIDE;
  35
  36         virtual std::wstring title() OVERRIDE;
  37         virtual ScreenType type() OVERRIDE { return ScreenType::Browser; }
  38
  39         virtual void update() OVERRIDE { }
  40
  41         virtual void enterPressed() OVERRIDE;
  42         virtual void spacePressed() OVERRIDE;
  43         virtual void mouseButtonPressed(MEVENT me) OVERRIDE;
  44
  45         virtual bool isMergable() OVERRIDE { return true; }
  46
  47         // Filterable implementation
  48         virtual bool allowsFiltering() OVERRIDE;
  49         virtual std::string currentFilter() OVERRIDE;
  50         virtual void applyFilter(const std::string &filter) OVERRIDE;
  51
  52         // Searchable implementation
  53         virtual bool allowsSearching() OVERRIDE;
  54         virtual bool search(const std::string &constraint) OVERRIDE;
  55         virtual void nextFound(bool wrap) OVERRIDE;
  56         virtual void prevFound(bool wrap) OVERRIDE;
  57
  58         // HasSongs implementation
  59         virtual ProxySongList proxySongList() OVERRIDE;
  60
  61         virtual bool allowsSelection() OVERRIDE;
  62         virtual void reverseSelection() OVERRIDE;
  63         virtual MPD::SongList getSelectedSongs() OVERRIDE;
  64
  65         // private members
  66         const std::string &CurrentDir() { return itsBrowsedDir; }
  67
  68         void fetchSupportedExtensions();
  69
  70         bool isLocal() { return itsBrowseLocally; }
  71         void LocateSong(const MPD::Song &);
  72         void GetDirectory(std::string, std::string = "/");
  73 #       ifndef WIN32
  74         void GetLocalDirectory(MPD::ItemList &, const std::string &, bool) const;
  75         void ClearDirectory(const std::string &) const;
  76         void ChangeBrowseMode();
  77         bool deleteItem(const MPD::Item &, std::string &errmsg);
  78 #       endif // !WIN32
  79
  80         static bool isParentDirectory(const MPD::Item &item) {
  81                 return item.type == MPD::itDirectory && item.name == "..";
  82         }
  83
  84 protected:
  85         virtual bool isLockable() OVERRIDE { return true; }
  86
  87 private:
  88         bool itsBrowseLocally;
  89         size_t itsScrollBeginning;
  90         std::string itsBrowsedDir;
  91 };
  92
  93 extern Browser *myBrowser;
  94
  95 #endif // NCMPCPP_BROWSER_H
  96