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#ifndef QMLVMEMETAOBJECT_P_H
#define QMLVMEMETAOBJECT_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 <qml.h>
#include <QtCore/QMetaObject>
#include <QtCore/QBitArray>
#include <QtCore/QPair>
#include <private/qobject_p.h>

QT_BEGIN_NAMESPACE

#define QML_ALIAS_FLAG_PTR 0x00000001

struct QmlVMEMetaData
{
    short propertyCount;
    short aliasCount;
    short signalCount;
    short methodCount;

    struct AliasData {
        int contextIdx;
        int propertyIdx;
        int flags;
    };
    
    struct PropertyData {
        int propertyType;
    };

    struct MethodData {
        int parameterCount;
        int bodyOffset;
        int bodyLength;
        int _dummy;
    };

    PropertyData *propertyData() const {
        return (PropertyData *)(((const char *)this) + sizeof(QmlVMEMetaData));
    }

    AliasData *aliasData() const {
        return (AliasData *)(propertyData() + propertyCount);
    }

    MethodData *methodData() const {
        return (MethodData *)(aliasData() + aliasCount);
    }
};

class QmlRefCount;
class QmlVMEMetaObject : public QAbstractDynamicMetaObject
{
public:
    QmlVMEMetaObject(QObject *, const QMetaObject *, const QmlVMEMetaData *data,
                     QmlRefCount * = 0);
    ~QmlVMEMetaObject();

    void registerInterceptor(int index, int valueIndex, QmlPropertyValueInterceptor *interceptor);

protected:
    virtual int metaCall(QMetaObject::Call _c, int _id, void **_a);

private:
    QObject *object;
    QmlRefCount *ref;
    QGuard<QmlContext> ctxt;

    const QmlVMEMetaData *metaData;
    int propOffset;
    int methodOffset;

    QVariant *data;
    QBitArray aConnected;
    QBitArray aInterceptors;
    QHash<int, QPair<int, QmlPropertyValueInterceptor*> > interceptors;

    QAbstractDynamicMetaObject *parent;

    void listChanged(int);
    class List : public QmlConcreteList<QObject*>
    {
    public:
        List(QmlVMEMetaObject *p, int propIdx) 
            : parent(p), parentProperty(propIdx) { }

        virtual void append(QObject *v) { 
            QmlConcreteList<QObject*>::append(v); 
            parent->listChanged(parentProperty);
        }
        virtual void insert(int i, QObject *v) { 
            QmlConcreteList<QObject*>::insert(i, v); 
            parent->listChanged(parentProperty);
        }
        virtual void clear() { 
            QmlConcreteList<QObject*>::clear();
            parent->listChanged(parentProperty);
        }
        virtual void removeAt(int i) { 
            QmlConcreteList<QObject*>::removeAt(i);
            parent->listChanged(parentProperty);
        }
    private:
        QmlVMEMetaObject *parent;
        int parentProperty;
    };
    QList<List *> listProperties;
};

QT_END_NAMESPACE

#endif // QMLVMEMETAOBJECT_P_H