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 "regex_filter.h"
  27 #include "screen.h"
  28 #include "song_list.h"
  29
  30 struct BrowserWindow: NC::Menu<MPD::Item>, SongList
  31 {
  32         BrowserWindow() { }
  33         BrowserWindow(NC::Menu<MPD::Item> &&base)
  34         : NC::Menu<MPD::Item>(std::move(base)) { }
  35
  36         virtual SongIterator currentS() OVERRIDE;
  37         virtual ConstSongIterator currentS() const OVERRIDE;
  38         virtual SongIterator beginS() OVERRIDE;
  39         virtual ConstSongIterator beginS() const OVERRIDE;
  40         virtual SongIterator endS() OVERRIDE;
  41         virtual ConstSongIterator endS() const OVERRIDE;
  42
  43         virtual std::vector<MPD::Song> getSelectedSongs() OVERRIDE;
  44 };
  45
  46 struct Browser: Screen<BrowserWindow>, HasSongs, Searchable, Tabbable
  47 {
  48         Browser();
  49
  50         // Screen<BrowserWindow> implementation
  51         virtual void resize() OVERRIDE;
  52         virtual void switchTo() OVERRIDE;
  53
  54         virtual std::wstring title() OVERRIDE;
  55         virtual ScreenType type() OVERRIDE { return ScreenType::Browser; }
  56
  57         virtual void update() OVERRIDE;
  58
  59         virtual void mouseButtonPressed(MEVENT me) OVERRIDE;
  60
  61         virtual bool isLockable() OVERRIDE { return true; }
  62         virtual bool isMergable() OVERRIDE { return true; }
  63
  64         // Searchable implementation
  65         virtual bool allowsSearching() OVERRIDE;
  66         virtual void setSearchConstraint(const std::string &constraint) OVERRIDE;
  67         virtual void clearConstraint() OVERRIDE;
  68         virtual bool find(SearchDirection direction, bool wrap, bool skip_current) OVERRIDE;
  69
  70         // HasSongs implementation
  71         virtual bool itemAvailable() OVERRIDE;
  72         virtual bool addItemToPlaylist(bool play) OVERRIDE;
  73         virtual std::vector<MPD::Song> getSelectedSongs() OVERRIDE;
  74
  75         // private members
  76         void requestUpdate() { m_update_request = true; }
  77
  78         bool inRootDirectory();
  79         bool isParentDirectory(const MPD::Item &item);
  80         const std::string &currentDirectory();
  81
  82         bool isLocal() { return m_local_browser; }
  83         void locateSong(const MPD::Song &s);
  84         bool enterDirectory();
  85         void getDirectory(std::string directory);
  86         void changeBrowseMode();
  87         void remove(const MPD::Item &item);
  88
  89         static void fetchSupportedExtensions();
  90
  91 private:
  92         bool m_update_request;
  93         bool m_local_browser;
  94         size_t m_scroll_beginning;
  95         std::string m_current_directory;
  96         Regex::Filter<MPD::Item> m_search_predicate;
  97 };
  98
  99 extern Browser *myBrowser;
 100
 101 #endif // NCMPCPP_BROWSER_H
 102