/*

* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

*

* This program is free software: you can redistribute it and/or modify

* it under the terms of the GNU Lesser General Public License as published by

* the Free Software Foundation, version 2.1 of the License.

* 

* This program is distributed in the hope that it will be useful,

* but WITHOUT ANY WARRANTY; without even the implied warranty of

* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

* GNU Lesser General Public License for more details.

*

* You should have received a copy of the GNU Lesser General Public License

* along with this program.  If not, 

* see "http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html/".

*

* Description:                                                         

*

*/

#ifndef XQSERVICEREQUEST_H

#define XQSERVICEREQUEST_H

#include <xqserviceglobal.h>

#include <qdatastream.h>

#include <qbuffer.h>

#include <QVariant>

#include <xqserviceipcmarshal.h>

#include <xqaiwinterfacedescriptor.h>

#include <xqrequestinfo.h>

class XQServiceRequest_Private;

class XQSERVICE_EXPORT XQServiceRequest : public QObject

{

    friend bool operator==( const XQServiceRequest &m1, const XQServiceRequest &m2 );

    friend class XQServiceRequest_Private;

    Q_OBJECT

public:

    XQServiceRequest();

    XQServiceRequest(const QString& service, const QString& message, const bool& synchronous = true);

    XQServiceRequest(const XQServiceRequest& orig);

    XQServiceRequest(const XQAiwInterfaceDescriptor &descriptor, const QString& message, const bool& synchronous = true);

    ~XQServiceRequest();

    bool send();

    bool send(QVariant& retValue) ;

    template <typename T> 

    inline bool send(T& retValue)

    {

        QVariant retData;     

        bool ret=send(retData);        

        retValue = qVariantValue<T>(retData);

        return ret;

    }

    bool isNull() const;

    void setSynchronous(const bool &synchronous);

    bool isSynchronous() const;

    void setService(const QString &service);

    QString service() const;

    void setMessage(const QString& message);

    QString message() const;

    const QList<QVariant> &arguments() const;

    void setArguments(const QList<QVariant> &arguments);

    int latestError();

    void setInfo(const XQRequestInfo &info);

    XQRequestInfo info() const;

    XQServiceRequest& operator=(const XQServiceRequest& orig);

    template<typename T>

    inline XQServiceRequest &operator<< (const T &var)

    {

        QVariant v = qVariantFromValue(var);

        addArg(v);

        return *this;

    }

    inline XQServiceRequest &operator<< (const char *var)

    {

        QVariant v = QVariant(QString(var));

        addArg(v);

        return *this;

    }

    inline void addVariantArg(const QVariant& var)

    {

        addArg(var);

    }

    static QByteArray serializeArguments(const XQServiceRequest &action);

    static void deserializeArguments(XQServiceRequest &action, const QByteArray &data);

    template <typename Stream> void serialize(Stream &stream) const;

    template <typename Stream> void deserialize(Stream &stream);

signals:

    void requestCompleted(const QVariant& value) ;

    void requestError(int err);

private:

    void addArg(const QVariant& v);

    bool handleSharableFileArgs();

private:

    XQServiceRequest_Private *m_data;

};

inline bool operator==( const XQServiceRequest &m1, const XQServiceRequest &m2 )

{

    return (m1.service() == m2.service()) && (m1.message() == m2.message())

            && (m1.arguments() == m2.arguments());

}

Q_DECLARE_USER_METATYPE(XQServiceRequest)

#endif