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unity8/libs/UbuntuGestures/Timer.h
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1/*
2 * Copyright (C) 2014 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 */
17#ifndef UBUNTUGESTURES_TIMER_H
18#define UBUNTUGESTURES_TIMER_H
20#include "UbuntuGesturesGlobal.h"
21#include "TimeSource.h"
23#include <QObject>
24#include <QPointer>
25#include <QTimer>
27namespace UbuntuGestures {
29/* Defines an interface for a Timer. Useful for tests. */
30class UBUNTUGESTURES_EXPORT AbstractTimer : public QObject
32 Q_OBJECT
33public:
34 AbstractTimer(QObject *parent) : QObject(parent), m_isRunning(false) {}
35 virtual int interval() const = 0;
36 virtual void setInterval(int msecs) = 0;
37 virtual void start() { m_isRunning = true; }
38 virtual void start(int msecs)
39 {
40 setInterval(msecs);
41 start();
42 }
43 virtual void stop() { m_isRunning = false; }
44 bool isRunning() const { return m_isRunning; }
45 virtual bool isSingleShot() const = 0;
46 virtual void setSingleShot(bool value) = 0;
47Q_SIGNALS:
48 void timeout();
49private:
50 bool m_isRunning;
51};
53/* Essentially a QTimer wrapper */
54class UBUNTUGESTURES_EXPORT Timer : public AbstractTimer
56 Q_OBJECT
57public:
58 Timer(QObject *parent = nullptr);
60 int interval() const override;
61 void setInterval(int msecs) override;
62 void start() override;
63 void stop() override;
64 bool isSingleShot() const override;
65 void setSingleShot(bool value) override;
66private:
67 QTimer m_timer;
68};
70/* For tests */
71class UBUNTUGESTURES_EXPORT FakeTimer : public AbstractTimer
73 Q_OBJECT
74public:
75 FakeTimer(const SharedTimeSource &timeSource, QObject *parent = nullptr);
77 void update();
78 qint64 nextTimeoutTime() const { return m_nextTimeoutTime; }
80 int interval() const override;
81 void setInterval(int msecs) override;
82 void start() override;
83 bool isSingleShot() const override;
84 void setSingleShot(bool value) override;
85private:
86 int m_interval;
87 bool m_singleShot;
88 SharedTimeSource m_timeSource;
89 qint64 m_nextTimeoutTime;
90};
92class UBUNTUGESTURES_EXPORT AbstractTimerFactory
94public:
95 virtual ~AbstractTimerFactory() {}
96 virtual AbstractTimer *createTimer(QObject *parent = nullptr) = 0;
97};
99class UBUNTUGESTURES_EXPORT TimerFactory : public AbstractTimerFactory
101public:
102 AbstractTimer *createTimer(QObject *parent = nullptr) override { return new Timer(parent); }
103};
105class UBUNTUGESTURES_EXPORT FakeTimerFactory : public AbstractTimerFactory
107public:
108 FakeTimerFactory();
109 virtual ~FakeTimerFactory() {}
111 void updateTime(qint64 msecsSinceReference);
112 QSharedPointer<TimeSource> timeSource() { return m_timeSource; }
114 AbstractTimer *createTimer(QObject *parent = nullptr) override;
115 QList<QPointer<FakeTimer>> timers;
116private:
117 QSharedPointer<FakeTimeSource> m_timeSource;
118};
120} // namespace UbuntuGestures
122#endif // UBUNTUGESTURES_TIMER_H