/****************************************************************************
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** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
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** This file is part of the QtQuick module of the Qt Toolkit.
**
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** accordance with the commercial license agreement provided with the
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** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
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****************************************************************************/

#ifndef QQUICKPROPERTYCHANGES_H
#define QQUICKPROPERTYCHANGES_H

#include "qquickstatechangescript_p.h"
#include <private/qqmlcustomparser_p.h>

QT_BEGIN_NAMESPACE

class QQuickPropertyChangesPrivate;
class Q_QUICK_PRIVATE_EXPORT QQuickPropertyChanges : public QQuickStateOperation
{
    Q_OBJECT
    Q_DECLARE_PRIVATE(QQuickPropertyChanges)

    Q_PROPERTY(QObject *target READ object WRITE setObject)
    Q_PROPERTY(bool restoreEntryValues READ restoreEntryValues WRITE setRestoreEntryValues)
    Q_PROPERTY(bool explicit READ isExplicit WRITE setIsExplicit)
public:
    QQuickPropertyChanges();
    ~QQuickPropertyChanges();

    QObject *object() const;
    void setObject(QObject *);

    bool restoreEntryValues() const;
    void setRestoreEntryValues(bool);

    bool isExplicit() const;
    void setIsExplicit(bool);

    virtual ActionList actions();

    bool containsProperty(const QString &name) const;
    bool containsValue(const QString &name) const;
    bool containsExpression(const QString &name) const;
    void changeValue(const QString &name, const QVariant &value);
    void changeExpression(const QString &name, const QString &expression);
    void removeProperty(const QString &name);
    QVariant value(const QString &name) const;
    QString expression(const QString &name) const;

    void detachFromState();
    void attachToState();

    QVariant property(const QString &name) const;
};

class QQuickPropertyChangesParser : public QQmlCustomParser
{
public:
    QQuickPropertyChangesParser()
    : QQmlCustomParser(AcceptsAttachedProperties) {}

    void compileList(QList<QPair<QString, QVariant> > &list, const QString &pre, const QQmlCustomParserProperty &prop);
    void compileList(QList<QPair<QString, const QV4::CompiledData::Binding *> > &list, const QString &pre, const QV4::CompiledData::QmlUnit *qmlUnit, const QV4::CompiledData::Binding *binding);

    virtual QByteArray compile(const QList<QQmlCustomParserProperty> &);
    virtual QByteArray compile(const QV4::CompiledData::QmlUnit *qmlUnit, const QList<const QV4::CompiledData::Binding *> &props);
    virtual void setCustomData(QObject *, const QByteArray &);
};


QT_END_NAMESPACE

QML_DECLARE_TYPE(QQuickPropertyChanges)

#endif // QQUICKPROPERTYCHANGES_H