/****************************************************************************
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** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
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** This file is part of the QtNetwork module of the Qt Toolkit.
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** appearing in the file LICENSE.LGPL included in the packaging of this
** file. Please review the following information to ensure the GNU Lesser
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** 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
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****************************************************************************/

#ifndef QNETWORKCONFIGURATIONMANAGERPRIVATE_H
#define QNETWORKCONFIGURATIONMANAGERPRIVATE_H

//
//  W A R N I N G
//  -------------
//
// This file is not part of the Qt API.  It exists purely as an
// implementation detail.  This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//

#include "qnetworkconfigmanager.h"
#include "qnetworkconfiguration_p.h"

#include <QtCore/qmutex.h>
#include <QtCore/qset.h>

#ifndef QT_NO_BEARERMANAGEMENT

QT_BEGIN_NAMESPACE

class QBearerEngine;
class QTimer;

class Q_NETWORK_EXPORT QNetworkConfigurationManagerPrivate : public QObject
{
    Q_OBJECT

public:
    QNetworkConfigurationManagerPrivate();
    virtual ~QNetworkConfigurationManagerPrivate();

    QNetworkConfiguration defaultConfiguration();
    QList<QNetworkConfiguration> allConfigurations(QNetworkConfiguration::StateFlags filter);
    QNetworkConfiguration configurationFromIdentifier(const QString &identifier);

    bool isOnline();

    QNetworkConfigurationManager::Capabilities capabilities();

    void performAsyncConfigurationUpdate();

    QList<QBearerEngine *> engines();

    Q_INVOKABLE void startPolling();

    void enablePolling();
    void disablePolling();

    void initialize();
    void cleanup();
public slots:
    void updateConfigurations();

Q_SIGNALS:
    void configurationAdded(const QNetworkConfiguration& config);
    void configurationRemoved(const QNetworkConfiguration& config);
    void configurationUpdateComplete();
    void configurationChanged(const QNetworkConfiguration& config);
    void onlineStateChanged(bool isOnline);

    void abort();

private:
    QTimer *pollTimer;
    QThread *bearerThread;

    QMutex mutex;

    QList<QBearerEngine *> sessionEngines;

    QSet<QString> onlineConfigurations;

    QSet<int> pollingEngines;
    QSet<int> updatingEngines;
    int forcedPolling;
    bool updating;

    bool firstUpdate;

private Q_SLOTS:
    void configurationAdded(QNetworkConfigurationPrivatePointer ptr);
    void configurationRemoved(QNetworkConfigurationPrivatePointer ptr);
    void configurationChanged(QNetworkConfigurationPrivatePointer ptr);

    void pollEngines();
};

Q_NETWORK_EXPORT QNetworkConfigurationManagerPrivate *qNetworkConfigurationManagerPrivate();

QT_END_NAMESPACE

#endif // QT_NO_BEARERMANAGEMENT

#endif //QNETWORKCONFIGURATIONMANAGERPRIVATE_H
