Sayonara Player
Singleton.h
1/* singleton.h */
2
3/* Copyright (C) 2011-2020 Michael Lugmair (Lucio Carreras)
4 *
5 * This file is part of sayonara player
6 *
7 * This program is free software: you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation, either version 3 of the License, or
10 * (at your option) any later version.
11
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16
17 * You should have received a copy of the GNU General Public License
18 * along with this program. If not, see <http://www.gnu.org/licenses/>.
19 */
20
21#pragma once
22#ifndef SAYONARA_SINGLETON_H
23#define SAYONARA_SINGLETON_H
24
25#define _SINGLETON_BASIC_(class_name) friend class Application; \
26 protected: \
27 class_name( const class_name& other ) = delete; \
28 class_name& operator=(const class_name& other) = delete; \
29 class_name( const class_name&& other ) = delete; \
30 class_name& operator=(const class_name&& other) = delete; \
31 public: \
32 static class_name *instance() \
33 { static class_name instance; return &instance; } \
34 virtual ~class_name ();
35
36#define SINGLETON(class_name) _SINGLETON_BASIC_(class_name) \
37 protected: \
38 class_name(); \
39 private:
40
41#define SINGLETON_QOBJECT(class_name) _SINGLETON_BASIC_(class_name) \
42 protected: \
43 class_name(QObject* parent=nullptr); \
44 private:
45
46
47#endif // SAYONARA_SINGLETON_H