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/****************************************************************************
**
** Copyright (C) 2016 Ford Motor Company
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtQml module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:COMM$
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** $QT_END_LICENSE$
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
****************************************************************************/
#ifndef SIGNALTRANSITION_H
#define SIGNALTRANSITION_H
#include <QtCore/QSignalTransition>
#include <QtCore/QVariant>
#include <QtQml/QJSValue>
#include <QtQml/qqmlscriptstring.h>
#include <QtQml/qqmlparserstatus.h>
#include <private/qqmlcustomparser_p.h>
#include <private/qqmlboundsignalexpressionpointer_p.h>
QT_BEGIN_NAMESPACE
class SignalTransition : public QSignalTransition, public QQmlParserStatus
{
Q_OBJECT
Q_INTERFACES(QQmlParserStatus)
Q_PROPERTY(QJSValue signal READ signal WRITE setSignal NOTIFY qmlSignalChanged)
Q_PROPERTY(QQmlScriptString guard READ guard WRITE setGuard NOTIFY guardChanged)
QML_ELEMENT
public:
explicit SignalTransition(QState *parent = nullptr);
QQmlScriptString guard() const;
void setGuard(const QQmlScriptString &guard);
bool eventTest(QEvent *event) override;
void onTransition(QEvent *event) override;
const QJSValue &signal();
void setSignal(const QJSValue &signal);
Q_INVOKABLE void invoke();
Q_SIGNALS:
void guardChanged();
void invokeYourself();
/*!
* \internal
*/
void qmlSignalChanged();
private:
void classBegin() override { m_complete = false; }
void componentComplete() override { m_complete = true; connectTriggered(); }
void connectTriggered();
friend class SignalTransitionParser;
QJSValue m_signal;
QQmlScriptString m_guard;
bool m_complete;
QQmlRefPointer<QV4::ExecutableCompilationUnit> m_compilationUnit;
QList<const QV4::CompiledData::Binding *> m_bindings;
QQmlBoundSignalExpressionPointer m_signalExpression;
};
class SignalTransitionParser : public QQmlCustomParser
{
public:
void verifyBindings(const QQmlRefPointer<QV4::ExecutableCompilationUnit> &compilationUnit, const QList<const QV4::CompiledData::Binding *> &props) override;
void applyBindings(QObject *object, const QQmlRefPointer<QV4::ExecutableCompilationUnit> &compilationUnit, const QList<const QV4::CompiledData::Binding *> &bindings) override;
};
template<>
inline QQmlCustomParser *qmlCreateCustomParser<SignalTransition>()
{
return new SignalTransitionParser;
}
QT_END_NAMESPACE
#endif
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