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core/SimbadSearcher.hpp

/*
 * Copyright (C) 2008 Fabien Chereau
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Suite 500, Boston, MA  02110-1335, USA.
 */

#ifndef SIMBADSEARCHER_HPP_
#define SIMBADSEARCHER_HPP_

#include "VecMath.hpp"
#include <QObject>
#include <QMap>

class QNetworkReply;
class QNetworkAccessManager;

class SimbadLookupReply : public QObject
{
    Q_OBJECT
    Q_ENUMS(SimbadLookupStatus);

public:
    friend class SimbadSearcher;

    enum SimbadLookupStatus
    {
        SimbadLookupQuerying,       
        SimbadLookupErrorOccured,   
        SimbadLookupFinished        
    };

    ~SimbadLookupReply();

    QMap<QString, Vec3d> getResults() const {return resultPositions;}

    SimbadLookupStatus getCurrentStatus() const {return currentStatus;}

    QString getCurrentStatusString() const;

    QString getErrorString() const {return errorString;}

signals:
    void statusChanged();

private slots:
    void httpQueryFinished();
    void delayTimerCompleted();

private:
    SimbadLookupReply(const QString& url, QNetworkAccessManager* mgr, int delayMs=500);

    QString url;

    QNetworkReply* reply;
    QNetworkAccessManager* netMgr;

    QMap<QString, Vec3d> resultPositions;

    SimbadLookupStatus currentStatus;

    QString errorString;
};


class SimbadSearcher : public QObject
{
    Q_OBJECT

public:
    SimbadSearcher(QObject* parent);

    SimbadLookupReply* lookup(const QString& serverUrl, const QString& objectName, int maxNbResult=1, int delayMs=500);

private:
    QNetworkAccessManager* networkMgr;
};

#endif /*SIMBADSEARCHER_HPP_*/

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