1/****************************************************************************
2**
3** Copyright (C) 2016 The Qt Company Ltd.
4** Contact: https://www.qt.io/licensing/
5**
6** This file is part of the QtSensors module of the Qt Toolkit.
7**
8** $QT_BEGIN_LICENSE:LGPL$
9** Commercial License Usage
10** Licensees holding valid commercial Qt licenses may use this file in
11** accordance with the commercial license agreement provided with the
12** Software or, alternatively, in accordance with the terms contained in
13** a written agreement between you and The Qt Company. For licensing terms
14** and conditions see https://www.qt.io/terms-conditions. For further
15** information use the contact form at https://www.qt.io/contact-us.
16**
17** GNU Lesser General Public License Usage
18** Alternatively, this file may be used under the terms of the GNU Lesser
19** General Public License version 3 as published by the Free Software
20** Foundation and appearing in the file LICENSE.LGPL3 included in the
21** packaging of this file. Please review the following information to
22** ensure the GNU Lesser General Public License version 3 requirements
23** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
24**
25** GNU General Public License Usage
26** Alternatively, this file may be used under the terms of the GNU
27** General Public License version 2.0 or (at your option) the GNU General
28** Public license version 3 or any later version approved by the KDE Free
29** Qt Foundation. The licenses are as published by the Free Software
30** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
31** included in the packaging of this file. Please review the following
32** information to ensure the GNU General Public License requirements will
33** be met: https://www.gnu.org/licenses/gpl-2.0.html and
34** https://www.gnu.org/licenses/gpl-3.0.html.
35**
36** $QT_END_LICENSE$
37**
38****************************************************************************/
39
40#ifndef QSENSORGESTURERECOGNIZER_H
41#define QSENSORGESTURERECOGNIZER_H
42
43#include <QtCore/QDebug>
44#include <QtCore/QTimer>
45#include <QtCore/QStringList>
46
47#include <QtSensors/qsensorgesture.h>
48
49QT_BEGIN_NAMESPACE
50
51class QSensorGestureRecognizerPrivate;
52class Q_SENSORS_EXPORT QSensorGestureRecognizer : public QObject
53{
54 Q_OBJECT
55public:
56 explicit QSensorGestureRecognizer(QObject *parent = Q_NULLPTR);
57 virtual ~QSensorGestureRecognizer();
58
59 virtual QString id() const = 0;
60
61 virtual bool isActive() = 0;
62
63 void startBackend();
64 void stopBackend();
65 void createBackend();
66
67 QStringList gestureSignals() const;
68
69Q_SIGNALS:
70 void detected(const QString &);
71
72protected:
73 virtual void create() = 0;
74 virtual bool start() = 0;
75 virtual bool stop() = 0;
76
77private:
78 QSensorGestureRecognizerPrivate * d_ptr;
79};
80
81QT_END_NAMESPACE
82
83#endif // QSENSORGESTURERECOGNIZER_H
84

source code of qtsensors/src/sensors/gestures/qsensorgesturerecognizer.h