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#ifndef QDECLARATIVEMETAPROPERTY_P_H
#define QDECLARATIVEMETAPROPERTY_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 "qdeclarativemetaproperty.h"

#include "qdeclarativepropertycache_p.h"
#include "qdeclarativeguard_p.h"

#include <private/qobject_p.h>

QT_BEGIN_NAMESPACE

class QDeclarativeContext;
class QDeclarativeEnginePrivate;
class Q_AUTOTEST_EXPORT QDeclarativeMetaPropertyPrivate
{
public:
    QDeclarativeMetaPropertyPrivate()
        : q(0), context(0), object(0), isDefaultProperty(false), isNameCached(false) {}
          

    QDeclarativeMetaPropertyPrivate(const QDeclarativeMetaPropertyPrivate &other)
        : q(0), context(other.context), object(other.object), 
          isDefaultProperty(other.isDefaultProperty), isNameCached(other.isNameCached),
          core(other.core), nameCache(other.nameCache),
          valueType(other.valueType) {}

    QDeclarativeMetaProperty *q;
    QDeclarativeContext *context;
    QDeclarativeGuard<QObject> object;

    bool isDefaultProperty:1;
    bool isNameCached:1;
    QDeclarativePropertyCache::Data core;
    QString nameCache;

    // Describes the "virtual" value-type sub-property.  
    QDeclarativePropertyCache::ValueTypeData valueType;

    void initProperty(QObject *obj, const QString &name);
    void initDefault(QObject *obj);

    QMetaMethod findSignal(QObject *, const QString &);

    int propertyType() const;
    QDeclarativeMetaProperty::PropertyTypeCategory propertyTypeCategory() const;

    QVariant readValueProperty();
    bool writeValueProperty(const QVariant &, QDeclarativeMetaProperty::WriteFlags);

    static const QMetaObject *rawMetaObjectForType(QDeclarativeEnginePrivate *, int);
    static bool writeEnumProperty(const QMetaProperty &prop, int idx, QObject *object, 
                                  const QVariant &value, int flags);
    static bool write(QObject *, const QDeclarativePropertyCache::Data &, const QVariant &, 
                      QDeclarativeContext *, QDeclarativeMetaProperty::WriteFlags flags = 0);
    static QDeclarativeAbstractBinding *setBinding(QObject *, const QDeclarativePropertyCache::Data &, 
                                                   QDeclarativeAbstractBinding *,
                                                   QDeclarativeMetaProperty::WriteFlags flags = QDeclarativeMetaProperty::DontRemoveBinding);

    static QByteArray saveValueType(const QMetaObject *, int, 
                                    const QMetaObject *, int);
    static QByteArray saveProperty(const QMetaObject *, int);
    static QDeclarativeMetaProperty restore(const QByteArray &, QObject *, QDeclarativeContext *);

    static bool equal(const QMetaObject *, const QMetaObject *);
    static bool canConvert(const QMetaObject *from, const QMetaObject *to);


    // "Public" (to QML) methods
    static QDeclarativeAbstractBinding *binding(const QDeclarativeMetaProperty &that);
    static QDeclarativeAbstractBinding *setBinding(const QDeclarativeMetaProperty &that,
                                                   QDeclarativeAbstractBinding *,
                                                   QDeclarativeMetaProperty::WriteFlags flags = QDeclarativeMetaProperty::DontRemoveBinding);
    static QDeclarativeExpression *signalExpression(const QDeclarativeMetaProperty &that);
    static QDeclarativeExpression *setSignalExpression(const QDeclarativeMetaProperty &that, 
                                                       QDeclarativeExpression *) ;

};

QT_END_NAMESPACE

#endif // QDECLARATIVEMETAPROPERTY_P_H