/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
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** Contact: Nokia Corporation (qt-info@nokia.com)
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** This file is part of the QtDeclarative module of the Qt Toolkit.
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** contained in the Technology Preview License Agreement accompanying
** this package.
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** GNU Lesser General Public License Usage
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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
** packaging of this file.  Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
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** $QT_END_LICENSE$
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****************************************************************************/

#ifndef QML_H
#define QML_H

#include "qmlmetatype.h"
#include "qmlmetaproperty.h"
#include "qmlparserstatus.h"
#include "qmlpropertyvaluesource.h"
#include "qmllist.h"

#include <QtCore/qbytearray.h>
#include <QtCore/qstringlist.h>
#include <QtCore/qurl.h>
#include <QtCore/qmetaobject.h>

QT_BEGIN_HEADER

QT_MODULE(Declarative)

#define QML_DECLARE_TYPE(TYPE) \
    Q_DECLARE_METATYPE(TYPE *) \
    Q_DECLARE_METATYPE(QList<TYPE *> *) \
    Q_DECLARE_METATYPE(QmlList<TYPE *> *)

#define QML_DECLARE_TYPE_HASMETATYPE(TYPE) \
    Q_DECLARE_METATYPE(QList<TYPE *> *) \
    Q_DECLARE_METATYPE(QmlList<TYPE *> *)

#define QML_DECLARE_INTERFACE(INTERFACE) \
    QML_DECLARE_TYPE(INTERFACE)

#define QML_DECLARE_INTERFACE_HASMETATYPE(INTERFACE) \
    QML_DECLARE_TYPE_HASMETATYPE(INTERFACE)

enum { /* TYPEINFO flags */
    QML_HAS_ATTACHED_PROPERTIES = 0x01,
};

#define QML_DECLARE_TYPEINFO(TYPE, FLAGS) \
template <> \
class QmlTypeInfo<TYPE > \
{ \
public: \
    enum { \
        hasAttachedProperties = (((FLAGS) & QML_HAS_ATTACHED_PROPERTIES) == QML_HAS_ATTACHED_PROPERTIES) \
    }; \
};

QT_BEGIN_NAMESPACE

#if defined(Q_OS_SYMBIAN)
#define QML_DEFINE_INTERFACE(INTERFACE) \
    static int defineInterface##INTERFACE = qmlRegisterInterface<INTERFACE>(#INTERFACE);

#define QML_DEFINE_EXTENDED_TYPE(URI, VERSION_MAJ, VERSION_MIN, NAME, TYPE, EXTENSION) \
    static int registerExtended##TYPE = qmlRegisterExtendedType<TYPE,EXTENSION>(#URI, VERSION_MAJ, VERSION_MIN, #NAME, #TYPE);

#define QML_DEFINE_TYPE(URI, VERSION_MAJ, VERSION_MIN, NAME, TYPE) \
    static int defineType##TYPE = qmlRegisterType<TYPE>(#URI, VERSION_MAJ, VERSION_MIN, #NAME, #TYPE);

#define QML_DEFINE_EXTENDED_NOCREATE_TYPE(TYPE, EXTENSION) \
    static int registerExtendedNoCreate##TYPE = qmlRegisterExtendedType<TYPE,EXTENSION>(#TYPE);

#define QML_DEFINE_NOCREATE_TYPE(TYPE) \
    static int registerNoCreate##TYPE = qmlRegisterType<TYPE>(#TYPE);

#else

#define QML_DEFINE_INTERFACE(INTERFACE) \
    template<> QmlPrivate::InstanceType QmlPrivate::Define<INTERFACE *,0,0>::instance(qmlRegisterInterface<INTERFACE>(#INTERFACE)); 

#define QML_DEFINE_EXTENDED_TYPE(URI, VERSION_MAJ, VERSION_MIN, NAME, TYPE, EXTENSION) \
    template<> QmlPrivate::InstanceType QmlPrivate::Define<TYPE *,(VERSION_MAJ), (VERSION_MIN)>::instance(qmlRegisterExtendedType<TYPE,EXTENSION>(#URI, VERSION_MAJ, VERSION_MIN, #NAME, #TYPE));

#define QML_DEFINE_TYPE(URI, VERSION_MAJ, VERSION_MIN, NAME, TYPE) \
    template<> QmlPrivate::InstanceType QmlPrivate::Define<TYPE *,(VERSION_MAJ), (VERSION_MIN)>::instance(qmlRegisterType<TYPE>(#URI, VERSION_MAJ, VERSION_MIN, #NAME, #TYPE));

#define QML_DEFINE_EXTENDED_NOCREATE_TYPE(TYPE, EXTENSION) \
    template<> QmlPrivate::InstanceType QmlPrivate::Define<TYPE *,0,0>::instance(qmlRegisterExtendedType<TYPE,EXTENSION>(#TYPE));

#define QML_DEFINE_NOCREATE_TYPE(TYPE) \
    template<> QmlPrivate::InstanceType QmlPrivate::Define<TYPE *,0,0>::instance(qmlRegisterType<TYPE>(#TYPE));

#endif

class QmlContext;
class QmlEngine;
Q_DECLARATIVE_EXPORT void qmlExecuteDeferred(QObject *);
Q_DECLARATIVE_EXPORT QmlContext *qmlContext(const QObject *);
Q_DECLARATIVE_EXPORT QmlEngine *qmlEngine(const QObject *);
Q_DECLARATIVE_EXPORT QObject *qmlAttachedPropertiesObjectById(int, const QObject *, bool create = true);

template<typename T>
QObject *qmlAttachedPropertiesObject(const QObject *obj, bool create = true)
{
    // ### is this threadsafe?
    static int idx = -1;

    if (idx == -1)
        idx = QmlMetaType::attachedPropertiesFuncId(&T::staticMetaObject);

    if (idx == -1 || !obj)
        return 0;

    return qmlAttachedPropertiesObjectById(idx, obj, create);
}

QT_END_NAMESPACE

QML_DECLARE_TYPE(QObject)
Q_DECLARE_METATYPE(QVariant)

QT_END_HEADER

#endif // QML_H