src/browser.h

   1 /***************************************************************************
   2  *   Copyright (C) 2008-2016 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>, Filterable, 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 const std::string &searchConstraint() override;
  67         virtual void setSearchConstraint(const std::string &constraint) override;
  68         virtual void clearSearchConstraint() override;
  69         virtual bool search(SearchDirection direction, bool wrap, bool skip_current) override;
  70
  71         // Filterable implemenetation
  72         virtual bool allowsFiltering() override;
  73         virtual std::string currentFilter() override;
  74         virtual void applyFilter(const std::string &filter) override;
  75
  76         // HasSongs implementation
  77         virtual bool itemAvailable() override;
  78         virtual bool addItemToPlaylist(bool play) override;
  79         virtual std::vector<MPD::Song> getSelectedSongs() override;
  80
  81         // private members
  82         void requestUpdate() { m_update_request = true; }
  83
  84         bool inRootDirectory();
  85         bool isParentDirectory(const MPD::Item &item);
  86         const std::string &currentDirectory();
  87
  88         bool isLocal() { return m_local_browser; }
  89         void locateSong(const MPD::Song &s);
  90         bool enterDirectory();
  91         void getDirectory(std::string directory);
  92         void changeBrowseMode();
  93         void remove(const MPD::Item &item);
  94
  95         static void fetchSupportedExtensions();
  96
  97 private:
  98         bool m_update_request;
  99         bool m_local_browser;
 100         size_t m_scroll_beginning;
 101         std::string m_current_directory;
 102         Regex::Filter<MPD::Item> m_search_predicate;
 103 };
 104
 105 extern Browser *myBrowser;
 106
 107 #endif // NCMPCPP_BROWSER_H
 108