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/****************************************************************************
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the Qt Mobility Components.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** This file may be used under the terms of the GNU Lesser 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 will be met:
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU General
** Public License version 3.0 as published by the Free Software Foundation
** and appearing in the file LICENSE.GPL included in the packaging of this
** file. Please review the following information to ensure the GNU General
** Public License version 3.0 requirements will be met:
** http://www.gnu.org/copyleft/gpl.html.
**
** Other Usage
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/

#ifndef QORGANIZERITEMREQUESTQUEUE_H_
#define QORGANIZERITEMREQUESTQUEUE_H_

// System includes
#include <QObject>
#include <QMap>
#include <QTimer>
#include <QEventLoop>

// User includes
#include "organizeritemrequestserviceprovider.h"

// Forward declarations
//class QOrganizerAbstractRequest;
class QOrganizerItemSymbianEngine;

class QOrganizerItemRequestQueue : public QObject
{
    Q_OBJECT
public:
    // Returns a heap instantiated instance of the class
    static QOrganizerItemRequestQueue* instance(
            QOrganizerItemSymbianEngine& aOrganizerItemManagerEngine);
    // Destructor
    ~QOrganizerItemRequestQueue();
    // To start req request
    bool startRequest(QOrganizerAbstractRequest* req);
    // To cancel req request
    bool cancelRequest(QOrganizerAbstractRequest* req);
    // Wait for request to complete 
    bool waitForRequestFinished(QOrganizerAbstractRequest* req, int msecs);
    // Request is no more a valid request, removes req from the queue
    void requestDestroyed(QOrganizerAbstractRequest* req);

private:
    QOrganizerItemRequestQueue(
            QOrganizerItemSymbianEngine& aOrganizerItemManagerEngine);

private:
    QOrganizerItemSymbianEngine&                m_organizerItemManagerEngine;
    QMap<QOrganizerAbstractRequest*, COrganizerItemRequestsServiceProvider*>m_abstractRequestMap;
};

#endif /* QORGANIZERITEMREQUESTQUEUE_H_ */