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39
40#include "invokedservices_p.h"
41#include <QtScxml/qscxmlinvokableservice.h>
42
43QT_BEGIN_NAMESPACE
44
45/*!
46 \qmltype InvokedServices
47 \instantiates QScxmlInvokedServices
48 \inqmlmodule QtScxml
49 \since QtScxml 5.8
50
51 \brief Provices access to the services invoked by state machines.
52
53 Makes the invoked services easily accessible by their names, without
54 constantly iterating through QScxmlStateMachine::invokedServices.
55
56 The services are called from state machines via the mechanism described in
57 \l{SCXML Specification - 6.4 <invoke>}.
58*/
59
60QScxmlInvokedServices::QScxmlInvokedServices(QObject *parent) : QObject(parent)
61{
62}
63
64/*!
65 \qmlproperty var InvokedServices::children
66
67 The services invoked by the state machine.
68*/
69
70QVariantMap QScxmlInvokedServices::children()
71{
72 QVariantMap ret;
73 if (m_stateMachine) {
74 const QVector<QScxmlInvokableService *> children = m_stateMachine->invokedServices();
75 for (QScxmlInvokableService *service : children)
76 ret.insert(akey: service->name(), avalue: QVariant::fromValue(value: service));
77 }
78 return ret;
79}
80
81void QScxmlInvokedServices::classBegin()
82{
83}
84
85/*!
86 \qmlproperty ScxmlStateMachine InvokedServices::stateMachine
87
88 The state machine that invoked the services.
89*/
90
91QScxmlStateMachine *QScxmlInvokedServices::stateMachine() const
92{
93 return m_stateMachine;
94}
95
96void QScxmlInvokedServices::setStateMachine(QScxmlStateMachine *stateMachine)
97{
98 if (stateMachine != m_stateMachine) {
99 if (m_stateMachine) {
100 disconnect(sender: m_stateMachine, signal: &QScxmlStateMachine::invokedServicesChanged,
101 receiver: this, slot: &QScxmlInvokedServices::childrenChanged);
102 }
103 m_stateMachine = stateMachine;
104 connect(sender: m_stateMachine, signal: &QScxmlStateMachine::invokedServicesChanged,
105 receiver: this, slot: &QScxmlInvokedServices::childrenChanged);
106 emit stateMachineChanged();
107 emit childrenChanged();
108 }
109}
110
111/*!
112 \qmlproperty list<QtObject> InvokedServices::qmlChildren
113
114 A list of additional QtObject types nested in this type.
115*/
116
117QQmlListProperty<QObject> QScxmlInvokedServices::qmlChildren()
118{
119 return QQmlListProperty<QObject>(this, &m_qmlChildren);
120}
121
122
123void QScxmlInvokedServices::componentComplete()
124{
125 if (!m_stateMachine) {
126 if ((m_stateMachine = qobject_cast<QScxmlStateMachine *>(object: parent()))) {
127 connect(sender: m_stateMachine, signal: &QScxmlStateMachine::invokedServicesChanged,
128 receiver: this, slot: &QScxmlInvokedServices::childrenChanged);
129 }
130 }
131}
132
133QT_END_NAMESPACE
134

source code of qtscxml/src/imports/scxmlstatemachine/invokedservices.cpp