1 /*************************************************************************** 2 * Copyright (C) 2008-2021 by Andrzej Rybczak * 3 * andrzej@rybczak.net * 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_INTERFACES_H 22 #define NCMPCPP_INTERFACES_H 23 24 #include <boost/range/detail/any_iterator.hpp> 25 #include <boost/tuple/tuple.hpp> 26 #include <string> 27 #include "enums.h" 28 #include "gcc.h" 29 #include "screens/screen.h" 30 #include "song.h" 31 32 struct Searchable 33 { 34 virtual bool allowsSearching() = 0; 35 36 virtual const std::string &searchConstraint() = 0; 37 virtual void setSearchConstraint(const std::string &constraint) = 0; 38 virtual void clearSearchConstraint() = 0; 39 virtual bool search(SearchDirection direction, bool wrap, bool skip_current) = 0; 40 }; 41 42 struct Filterable 43 { 44 virtual bool allowsFiltering() = 0; 45 virtual std::string currentFilter() = 0; 46 virtual void applyFilter(const std::string &constraint) = 0; 47 }; 48 49 struct HasActions 50 { 51 virtual bool actionRunnable() = 0; 52 virtual void runAction() = 0; 53 }; 54 55 struct HasSongs 56 { 57 virtual bool itemAvailable() = 0; 58 virtual bool addItemToPlaylist(bool play) = 0; 59 virtual std::vector<MPD::Song> getSelectedSongs() = 0; 60 }; 61 62 struct HasColumns 63 { 64 virtual bool previousColumnAvailable() = 0; 65 virtual void previousColumn() = 0; 66 67 virtual bool nextColumnAvailable() = 0; 68 virtual void nextColumn() = 0; 69 }; 70 71 struct Tabbable 72 { TabbableTabbable73 Tabbable() : m_previous_screen(0) { } 74 switchToPreviousScreenTabbable75 void switchToPreviousScreen() const { 76 if (m_previous_screen) 77 m_previous_screen->switchTo(); 78 } setPreviousScreenTabbable79 void setPreviousScreen(BaseScreen *screen) { 80 m_previous_screen = screen; 81 } previousScreenTabbable82 BaseScreen *previousScreen() const { 83 return m_previous_screen; 84 } 85 86 private: 87 BaseScreen *m_previous_screen; 88 }; 89 90 #endif // NCMPCPP_INTERFACES_H 91