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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"
22#include <QObject>
23#include <QPointer>
24#include <QTimer>
26namespace UbuntuGestures {
28/* Defines an interface for a Timer. Useful for tests. */
29class UBUNTUGESTURES_EXPORT AbstractTimer : public QObject
31 Q_OBJECT
32public:
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;
41Q_SIGNALS:
42 void timeout();
43private:
44 bool m_isRunning;
45};
47/* Essentially a QTimer wrapper */
48class UBUNTUGESTURES_EXPORT Timer : public AbstractTimer
50 Q_OBJECT
51public:
52 Timer(QObject *parent = nullptr);
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;
60private:
61 QTimer m_timer;
62};
64/* For tests */
65class UBUNTUGESTURES_EXPORT FakeTimer : public AbstractTimer
67 Q_OBJECT
68public:
69 FakeTimer(QObject *parent = nullptr);
71 virtual void emitTimeout() { Q_EMIT timeout(); }
73 int interval() const override;
74 void setInterval(int msecs) override;
75 bool isSingleShot() const override;
76 void setSingleShot(bool value) override;
77private:
78 int m_interval;
79 bool m_singleShot;
80};
82class UBUNTUGESTURES_EXPORT AbstractTimerFactory
84public:
85 virtual ~AbstractTimerFactory() {}
86 virtual AbstractTimer *createTimer(QObject *parent = nullptr) = 0;
87};
89class UBUNTUGESTURES_EXPORT TimerFactory : public AbstractTimerFactory
91public:
92 AbstractTimer *createTimer(QObject *parent = nullptr) override { return new Timer(parent); }
93};
95class UBUNTUGESTURES_EXPORT FakeTimerFactory : public AbstractTimerFactory
97public:
98 AbstractTimer *createTimer(QObject *parent = nullptr) override;
99 void makeRunningTimersTimeout();
100 QList<QPointer<FakeTimer>> timers;
101};
103} // namespace UbuntuGestures
105#endif // UBUNTUGESTURES_TIMER_H