Unity 8
Timer.h
1 /*
2  * Copyright (C) 2015 Canonical, Ltd.
3  *
4  * This program is free software; you can redistribute it and/or modify
5  * it under the terms of the GNU General Public License as published by
6  * the Free Software Foundation; version 3.
7  *
8  * This program is distributed in the hope that it will be useful,
9  * but WITHOUT ANY WARRANTY; without even the implied warranty of
10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11  * GNU General Public License for more details.
12  *
13  * You should have received a copy of the GNU General Public License
14  * along with this program. If not, see <http://www.gnu.org/licenses/>.
15  */
16 
17 #ifndef UNITYUTIL_TIMER_H
18 #define UNITYUTIL_TIMER_H
19 
20 #include "ElapsedTimer.h"
21 
22 #include <QObject>
23 #include <QPointer>
24 #include <QTimer>
25 
26 namespace UnityUtil {
27 
29 class AbstractTimer : public QObject
30 {
31  Q_OBJECT
32 public:
33  AbstractTimer(QObject *parent) : QObject(parent), m_isRunning(false) {}
34  virtual int interval() const = 0;
35  virtual void setInterval(int msecs) = 0;
36  virtual void start() { m_isRunning = true; }
37  virtual void stop() { m_isRunning = false; }
38  bool isRunning() const { return m_isRunning; }
39  virtual bool isSingleShot() const = 0;
40  virtual void setSingleShot(bool value) = 0;
41 Q_SIGNALS:
42  void timeout();
43 private:
44  bool m_isRunning;
45 };
46 
48 class Timer : public AbstractTimer
49 {
50  Q_OBJECT
51 public:
52  Timer(QObject *parent = nullptr);
53 
54  int interval() const override;
55  void setInterval(int msecs) override;
56  void start() override;
57  void stop() override;
58  bool isSingleShot() const override;
59  void setSingleShot(bool value) override;
60 private:
61  QTimer m_timer;
62 };
63 
64 class AbstractTimerFactory
65 {
66 public:
67  virtual ~AbstractTimerFactory() {}
68  virtual AbstractTimer *create(QObject *parent = nullptr) = 0;
69 };
70 
71 class TimerFactory : public AbstractTimerFactory
72 {
73 public:
74  AbstractTimer *create(QObject *parent = nullptr) override { return new Timer(parent); }
75 };
76 
77 } // namespace UnityUtil
78 
79 #endif // UNITYUTIL_TIMER_H