qstate_p.h - mozsearch

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// Copyright (C) 2016 The Qt Company Ltd.

// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only

// Qt-Security score:significant

#ifndef QSTATE_P_H

#define QSTATE_P_H

//

//  W A R N I N G

//  -------------

//

// This file is not part of the Qt API.  It exists purely as an

// implementation detail.  This header file may change from version to

// version without notice, or even be removed.

//

// We mean it.

//

#include "qstate.h"

#include "private/qabstractstate_p.h"

#include <QtCore/qlist.h>

#include <QtCore/qbytearray.h>

#include <QtCore/qpointer.h>

#include <QtCore/qvariant.h>

#include <QtCore/private/qproperty_p.h>

QT_REQUIRE_CONFIG(statemachine);

QT_BEGIN_NAMESPACE

#ifndef QT_NO_PROPERTIES

struct QPropertyAssignment

    QPropertyAssignment()

        : object(nullptr), explicitlySet(true) {}

    QPropertyAssignment(QObject *o, const QByteArray &n,

                        const QVariant &v, bool es = true)

        : object(o), propertyName(n), value(v), explicitlySet(es)

{}

    bool objectDeleted() const { return !object; }

    void write() const { Q_ASSERT(object != nullptr); object->setProperty(propertyName, value); }

    bool hasTarget(QObject *o, const QByteArray &pn) const

    { return object == o && propertyName == pn; }

    QPointer<QObject> object;

    QByteArray propertyName;

    QVariant value;

    bool explicitlySet; // false means the property is being restored to its old value

};

Q_DECLARE_TYPEINFO(QPropertyAssignment, Q_RELOCATABLE_TYPE);

#endif // QT_NO_PROPERTIES

class QAbstractTransition;

class QHistoryState;

class QState;

class Q_STATEMACHINE_EXPORT QStatePrivate : public QAbstractStatePrivate

    Q_DECLARE_PUBLIC(QState)

public:

    QStatePrivate();

    ~QStatePrivate();

    static QStatePrivate *get(QState *q) { return q ? q->d_func() : nullptr; }

    static const QStatePrivate *get(const QState *q) { return q? q->d_func() : nullptr; }

    QList<QAbstractState*> childStates() const;

    QList<QHistoryState*> historyStates() const;

    QList<QAbstractTransition*> transitions() const;

    void emitFinished();

    void emitPropertiesAssigned();

    void initialStateChanged()

        emit q_func()->initialStateChanged(QState::QPrivateSignal());

    Q_OBJECT_BINDABLE_PROPERTY_WITH_ARGS(QStatePrivate, QAbstractState*, initialState,

                                       nullptr, &QStatePrivate::initialStateChanged);

    void errorStateChanged()

        emit q_func()->errorStateChanged(QState::QPrivateSignal());

    Q_OBJECT_BINDABLE_PROPERTY_WITH_ARGS(QStatePrivate, QAbstractState*, errorState,

                                       nullptr, &QStatePrivate::errorStateChanged);

    void childModeChanged()

        emit q_func()->childModeChanged(QState::QPrivateSignal());

    Q_OBJECT_BINDABLE_PROPERTY_WITH_ARGS(QStatePrivate, QState::ChildMode, childMode,

                                         QState::ExclusiveStates, &QStatePrivate::childModeChanged);

    mutable bool childStatesListNeedsRefresh;

    mutable bool transitionsListNeedsRefresh;

    mutable QList<QAbstractState*> childStatesList;

    mutable QList<QAbstractTransition*> transitionsList;

#ifndef QT_NO_PROPERTIES

    QList<QPropertyAssignment> propertyAssignments;

#endif

};

QT_END_NAMESPACE

#endif