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****************************************************************************/

#ifndef QDECLARATIVEMETATYPE_P_H
#define QDECLARATIVEMETATYPE_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 "qdeclarative.h"

#include <QtCore/qglobal.h>
#include <QtCore/qvariant.h>
#include <QtCore/qbitarray.h>
#include <private/qdeclarativeglobal_p.h>
#include <QtScript/qscriptvalue.h>

QT_BEGIN_NAMESPACE

class QDeclarativeType;
class QDeclarativeCustomParser;
class QDeclarativeTypePrivate;

class Q_DECLARATIVE_PRIVATE_EXPORT QDeclarativeMetaType
{
public:
    static bool canCopy(int type);
    static bool copy(int type, void *data, const void *copy = 0);

    static QList<QByteArray> qmlTypeNames();
    static QList<QDeclarativeType*> qmlTypes();

    static QDeclarativeType *qmlType(const QByteArray &, int, int);
    static QDeclarativeType *qmlType(const QMetaObject *);
    static QDeclarativeType *qmlType(const QMetaObject *metaObject, const QByteArray &module, int version_major, int version_minor);
    static QDeclarativeType *qmlType(int);

    static QMetaProperty defaultProperty(const QMetaObject *);
    static QMetaProperty defaultProperty(QObject *);
    static QMetaMethod defaultMethod(const QMetaObject *);
    static QMetaMethod defaultMethod(QObject *);

    static bool isQObject(int);
    static QObject *toQObject(const QVariant &, bool *ok = 0);

    static int listType(int);
    static int attachedPropertiesFuncId(const QMetaObject *);
    static QDeclarativeAttachedPropertiesFunc attachedPropertiesFuncById(int);

    enum TypeCategory { Unknown, Object, List };
    static TypeCategory typeCategory(int);
        
    static bool isInterface(int);
    static const char *interfaceIId(int);
    static bool isList(int);

    typedef QVariant (*StringConverter)(const QString &);
    static void registerCustomStringConverter(int, StringConverter);
    static StringConverter customStringConverter(int);

    static bool isModule(const QByteArray &module, int versionMajor, int versionMinor);

    static QList<QDeclarativePrivate::AutoParentFunction> parentFunctions();

    struct ModuleApiInstance {
        ModuleApiInstance()
            : scriptCallback(0), qobjectCallback(0), qobjectApi(0) {}

        QScriptValue (*scriptCallback)(QDeclarativeEngine *, QScriptEngine *);
        QObject *(*qobjectCallback)(QDeclarativeEngine *, QScriptEngine *);
        QScriptValue scriptApi;
        QObject *qobjectApi;
    };
    struct ModuleApi {
        inline ModuleApi();
        inline bool operator==(const ModuleApi &) const;
        int major;
        int minor;
        QScriptValue (*script)(QDeclarativeEngine *, QScriptEngine *);
        QObject *(*qobject)(QDeclarativeEngine *, QScriptEngine *);
    };
    static ModuleApi moduleApi(const QByteArray &, int, int);
};

class Q_DECLARATIVE_PRIVATE_EXPORT QDeclarativeType
{
public:
    QByteArray typeName() const;
    QByteArray qmlTypeName() const;

    QByteArray module() const;
    int majorVersion() const;
    int minorVersion() const;

    bool availableInVersion(int vmajor, int vminor) const;
    bool availableInVersion(const QByteArray &module, int vmajor, int vminor) const;

    QObject *create() const;
    void create(QObject **, void **, size_t) const;

    typedef void (*CreateFunc)(void *);
    CreateFunc createFunction() const;
    int createSize() const;

    QDeclarativeCustomParser *customParser() const;

    bool isCreatable() const;
    bool isExtendedType() const;
    QString noCreationReason() const;

    bool isInterface() const;
    int typeId() const;
    int qListTypeId() const;

    const QMetaObject *metaObject() const;
    const QMetaObject *baseMetaObject() const;
    int metaObjectRevision() const;
    bool containsRevisionedAttributes() const;

    QDeclarativeAttachedPropertiesFunc attachedPropertiesFunction() const;
    const QMetaObject *attachedPropertiesType() const;
    int attachedPropertiesId() const;

    int parserStatusCast() const;
    QVariant fromObject(QObject *) const;
    const char *interfaceIId() const;
    int propertyValueSourceCast() const;
    int propertyValueInterceptorCast() const;

    int index() const;

private:
    QDeclarativeType *superType() const;
    friend class QDeclarativeTypePrivate;
    friend struct QDeclarativeMetaTypeData;
    friend int registerType(const QDeclarativePrivate::RegisterType &);
    friend int registerInterface(const QDeclarativePrivate::RegisterInterface &);
    QDeclarativeType(int, const QDeclarativePrivate::RegisterInterface &);
    QDeclarativeType(int, const QDeclarativePrivate::RegisterType &);
    ~QDeclarativeType();

    QDeclarativeTypePrivate *d;
};

QDeclarativeMetaType::ModuleApi::ModuleApi()
//    : major(0), minor(0), script(0), qobject(0)
{
    major = 0;
    minor = 0;
    script = 0;
    qobject = 0;
}

bool QDeclarativeMetaType::ModuleApi::operator==(const ModuleApi &other) const
{
    return major == other.major && minor == other.minor && script == other.script && qobject == other.qobject;
}

inline uint qHash(const QDeclarativeMetaType::ModuleApi &import)
{
    return import.major ^ import.minor ^ quintptr(import.script) ^ quintptr(import.qobject);
}

QT_END_NAMESPACE

#endif // QDECLARATIVEMETATYPE_P_H