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/****************************************************************************
**
** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/
**
** This file is part of the plugins of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** 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 QCOREWLANENGINE_H
#define QCOREWLANENGINE_H

#include "../qbearerengine_impl.h"

#include <QMap>
#include <QTimer>
#include <SystemConfiguration/SystemConfiguration.h>
#include <QThread>

#ifndef QT_NO_BEARERMANAGEMENT

QT_BEGIN_NAMESPACE

class QNetworkConfigurationPrivate;
class QScanThread;

class QCoreWlanEngine : public QBearerEngineImpl
{
     friend class QScanThread;
    Q_OBJECT

public:
    QCoreWlanEngine(QObject *parent = 0);
    ~QCoreWlanEngine();

    QString getInterfaceFromId(const QString &id);
    bool hasIdentifier(const QString &id);

    void connectToId(const QString &id);
    void disconnectFromId(const QString &id);

    Q_INVOKABLE void initialize();
    Q_INVOKABLE void requestUpdate();

    QNetworkSession::State sessionStateForId(const QString &id);

    quint64 bytesWritten(const QString &id);
    quint64 bytesReceived(const QString &id);
    quint64 startTime(const QString &id);

    QNetworkConfigurationManager::Capabilities capabilities() const;

    QNetworkSessionPrivate *createSessionBackend();

    QNetworkConfigurationPrivatePointer defaultConfiguration();

    bool requiresPolling() const;

private Q_SLOTS:
    void doRequestUpdate();
    void networksChanged();

private:
    bool isWifiReady(const QString &dev);
    QList<QNetworkConfigurationPrivate *> foundConfigurations;

    SCDynamicStoreRef storeSession;
    CFRunLoopSourceRef runloopSource;
    bool hasWifi;
    bool scanning;
    QScanThread *scanThread;

    quint64 getBytes(const QString &interfaceName,bool b);

protected:
    void startNetworkChangeLoop();

};

class QScanThread : public QThread
{
    Q_OBJECT

public:
    QScanThread(QObject *parent = 0);
    ~QScanThread();

    void quit();
    QList<QNetworkConfigurationPrivate *> getConfigurations();
    QString interfaceName;
    QMap<QString, QString> configurationInterface;
    void getUserConfigurations();
    QString getNetworkNameFromSsid(const QString &ssid);
    QString getSsidFromNetworkName(const QString &name);
    bool isKnownSsid(const QString &ssid);
    QMap<QString, QMap<QString,QString> > userProfiles;

signals:
    void networksChanged();

protected:
    void run();

private:
    QList<QNetworkConfigurationPrivate *> fetchedConfigurations;
    QMutex mutex;
    QStringList foundNetwork(const QString &id, const QString &ssid, const QNetworkConfiguration::StateFlags state, const QString &interfaceName, const QNetworkConfiguration::Purpose purpose);

};

QT_END_NAMESPACE

#endif // QT_NO_BEARERMANAGEMENT

#endif