text: /****************************************************************************
  **
  ** Copyright (C) 2016 The Qt Company Ltd.
  ** Contact: https://www.qt.io/licensing/
  **
  ** This file is part of the QtNetwork module of the Qt Toolkit.
  **
  ** $QT_BEGIN_LICENSE:LGPL$
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  ** Licensees holding valid commercial Qt licenses may use this file in
  ** accordance with the commercial license agreement provided with the
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  ** Alternatively, this file may be used under the terms of the GNU Lesser
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  ** packaging of this file. Please review the following information to
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  ****************************************************************************/
  
  #ifndef QNETWORKCONFIGMANAGER_P_H
  #define QNETWORKCONFIGMANAGER_P_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 <QtNetwork/private/qtnetworkglobal_p.h>
  #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() const;
      QList<QNetworkConfiguration> allConfigurations(QNetworkConfiguration::StateFlags filter) const;
      QNetworkConfiguration configurationFromIdentifier(const QString &identifier) const;
  
      bool isOnline() const;
  
      QNetworkConfigurationManager::Capabilities capabilities() const;
  
      void performAsyncConfigurationUpdate();
  
      QList<QBearerEngine *> engines() const;
  
      void enablePolling();
      void disablePolling();
  
      void initialize();
      void cleanup();
  public Q_SLOTS:
      void updateConfigurations();
  
      static void addPreAndPostRoutine();
  
  Q_SIGNALS:
      void configurationAdded(const QNetworkConfiguration &config);
      void configurationRemoved(const QNetworkConfiguration &config);
      void configurationChanged(const QNetworkConfiguration &config);
      void configurationUpdateComplete();
      void onlineStateChanged(bool isOnline);
  
  private Q_SLOTS:
      void configurationAdded(QNetworkConfigurationPrivatePointer ptr);
      void configurationRemoved(QNetworkConfigurationPrivatePointer ptr);
      void configurationChanged(QNetworkConfigurationPrivatePointer ptr);
  
      void pollEngines();
  
  
  private:
      Q_INVOKABLE void startPolling();
      QTimer *pollTimer;
      QThread *bearerThread;
  
  private:
      mutable QMutex mutex;
  
      QList<QBearerEngine *> sessionEngines;
  
      QSet<QString> onlineConfigurations;
  
      QSet<QBearerEngine *> pollingEngines;
      QSet<QBearerEngine *> updatingEngines;
      int forcedPolling;
      bool updating;
  
      bool firstUpdate;
  };
  
  Q_NETWORK_EXPORT QNetworkConfigurationManagerPrivate *qNetworkConfigurationManagerPrivate();
  
  QT_END_NAMESPACE
  
  #endif // QT_NO_BEARERMANAGEMENT
  
  #endif // QNETWORKCONFMANAGER_P_H
  