/****************************************************************************
 **
 ** Copyright (C) Qxt Foundation. Some rights reserved.
 **
 ** This file is part of the QxtCore module of the Qxt library.
 **
 ** This library is free software; you can redistribute it and/or modify it
 ** under the terms of the Common Public License, version 1.0, as published
 ** by IBM, and/or under the terms of the GNU Lesser General Public License,
 ** version 2.1, as published by the Free Software Foundation.
 **
 ** This file is provided "AS IS", without WARRANTIES OR CONDITIONS OF ANY
 ** KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT LIMITATION, ANY
 ** WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT, MERCHANTABILITY OR
 ** FITNESS FOR A PARTICULAR PURPOSE.
 **
 ** You should have received a copy of the CPL and the LGPL along with this
 ** file. See the LICENSE file and the cpl1.0.txt/lgpl-2.1.txt files
 ** included with the source distribution for more information.
 ** If you did not receive a copy of the licenses, contact the Qxt Foundation.
 **
 ** <http://libqxt.org>  <foundation@libqxt.org>
 **
 ****************************************************************************/
#ifndef QXTMETAOBJECT_H
#define QXTMETAOBJECT_H

#include <QMetaObject>
#include <QVariant>
#include <QGenericArgument>
#include <typeinfo>
#include "qxtnullable.h"
#include "qxtglobal.h"
QT_FORWARD_DECLARE_CLASS(QByteArray)
class QxtBoundArgument;
class QxtBoundFunction;

#define QXT_PROTO_10ARGS(T) T p1 = T(), T p2 = T(), T p3 = T(), T p4 = T(), T p5 = T(), T p6 = T(), T p7 = T(), T p8 = T(), T p9 = T(), T p10 = T()
#define QXT_PROTO_9ARGS(T) T p2 = T(), T p3 = T(), T p4 = T(), T p5 = T(), T p6 = T(), T p7 = T(), T p8 = T(), T p9 = T(), T p10 = T()
#define QXT_IMPL_10ARGS(T) T p1, T p2, T p3, T p4, T p5, T p6, T p7, T p8, T p9, T p10

class QXT_CORE_EXPORT QxtGenericFunctionPointer
{
    template<typename FUNCTION>
    friend QxtGenericFunctionPointer qxtFuncPtr(FUNCTION funcPtr);
public:
    QxtGenericFunctionPointer(const QxtGenericFunctionPointer& other)
    {
        funcPtr = other.funcPtr;
        typeName = other.typeName;
    }

    typedef void(voidFunc)();
    voidFunc* funcPtr;
    QByteArray typeName;

protected:
    QxtGenericFunctionPointer(voidFunc* ptr, const QByteArray& typeIdName)
    {
        funcPtr = ptr;
        typeName = typeIdName;
    }
};

template<typename FUNCTION>
QxtGenericFunctionPointer qxtFuncPtr(FUNCTION funcPtr)
{
    return QxtGenericFunctionPointer(reinterpret_cast<QxtGenericFunctionPointer::voidFunc*>(funcPtr), typeid(funcPtr).name());
}

namespace QxtMetaObject
{
    QXT_CORE_EXPORT QByteArray methodName(const char* method);
    QXT_CORE_EXPORT QByteArray methodSignature(const char* method);

    QXT_CORE_EXPORT bool isSignalOrSlot(const char* method);

    QXT_CORE_EXPORT QxtBoundFunction* bind(QObject* recv, const char* invokable, QXT_PROTO_10ARGS(QGenericArgument));
    QXT_CORE_EXPORT QxtBoundFunction* bind(QObject* recv, const char* invokable, QVariant p1, QXT_PROTO_9ARGS(QVariant));
    QXT_CORE_EXPORT bool connect(QObject* sender, const char* signal, QxtBoundFunction* slot,
                                 Qt::ConnectionType type = Qt::AutoConnection);

    QXT_CORE_EXPORT bool invokeMethod(QObject* object, const char* member,
                           const QVariant& arg0 = QVariant(), const QVariant& arg1 = QVariant(),
                           const QVariant& arg2 = QVariant(), const QVariant& arg3 = QVariant(),
                           const QVariant& arg4 = QVariant(), const QVariant& arg5 = QVariant(),
                           const QVariant& arg6 = QVariant(), const QVariant& arg7 = QVariant(),
                           const QVariant& arg8 = QVariant(), const QVariant& arg9 = QVariant());

    QXT_CORE_EXPORT bool invokeMethod(QObject* object, const char* member, Qt::ConnectionType type,
                           const QVariant& arg0 = QVariant(), const QVariant& arg1 = QVariant(),
                           const QVariant& arg2 = QVariant(), const QVariant& arg3 = QVariant(),
                           const QVariant& arg4 = QVariant(), const QVariant& arg5 = QVariant(),
                           const QVariant& arg6 = QVariant(), const QVariant& arg7 = QVariant(),
                           const QVariant& arg8 = QVariant(), const QVariant& arg9 = QVariant());
}

/*!
 * \relates QxtMetaObject
 * Refers to the n'th parameter of QxtBoundFunction::invoke() or of a signal connected to
 * a QxtBoundFunction.
 * \sa QxtMetaObject::bind
 */
#define QXT_BIND(n) QGenericArgument("QxtBoundArgument", reinterpret_cast<void*>(n))

#endif // QXTMETAOBJECT_H