1/****************************************************************************
2**
3** Copyright (C) 2016 Ford Motor Company
4** Contact: https://www.qt.io/licensing/
5**
6** This file is part of the QtQml 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#include "timeouttransition.h"
41
42#include <QQmlInfo>
43#include <QTimer>
44#include <QState>
45
46TimeoutTransition::TimeoutTransition(QState* parent)
47 : QSignalTransition((m_timer = new QTimer), SIGNAL(timeout()), parent)
48{
49 m_timer->setSingleShot(true);
50 m_timer->setInterval(1000);
51}
52
53TimeoutTransition::~TimeoutTransition()
54{
55 delete m_timer;
56}
57
58int TimeoutTransition::timeout() const
59{
60 return m_timer->interval();
61}
62
63void TimeoutTransition::setTimeout(int timeout)
64{
65 if (timeout != m_timer->interval()) {
66 m_timer->setInterval(timeout);
67 emit timeoutChanged();
68 }
69}
70
71void TimeoutTransition::componentComplete()
72{
73 QState *state = qobject_cast<QState*>(object: parent());
74 if (!state) {
75 qmlWarning(me: this) << "Parent needs to be a State";
76 return;
77 }
78
79 connect(sender: state, SIGNAL(entered()), receiver: m_timer, SLOT(start()));
80 connect(sender: state, SIGNAL(exited()), receiver: m_timer, SLOT(stop()));
81 if (state->active())
82 m_timer->start();
83}
84
85/*!
86 \qmltype TimeoutTransition
87 \inqmlmodule QtQml.StateMachine
88 \inherits QSignalTransition
89 \ingroup statemachine-qmltypes
90 \since 5.4
91
92 \brief The TimeoutTransition type provides a transition based on a timer.
93
94 \l{Timer} type can be combined with SignalTransition to enact more complex
95 timeout based transitions.
96
97 TimeoutTransition is part of \l{The Declarative State Machine Framework}.
98
99 \section1 Example Usage
100
101 \snippet qml/statemachine/timeouttransition.qml document
102
103 \clearfloat
104
105 \sa StateMachine, SignalTransition, FinalState, HistoryState
106*/
107
108/*!
109 \qmlproperty int TimeoutTransition::timeout
110
111 \brief The timeout interval in milliseconds.
112*/
113
114#include "moc_timeouttransition.cpp"
115

source code of qtdeclarative/src/imports/statemachine/timeouttransition.cpp