qgsnetworkaccessmanager.h

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/***************************************************************************
                          qgsnetworkaccessmanager.h  -  description
                             -------------------
    begin                : 2010-05-08
    copyright            : (C) 2010 by Juergen E. Fischer
    email                : jef at norbit dot de
 ***************************************************************************/

/***************************************************************************
 *                                                                         *
 *   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.                                   *
 *                                                                         *
 ***************************************************************************/

#ifndef QGSNETWORKACCESSMANAGER_H
#define QGSNETWORKACCESSMANAGER_H

#include <QList>
#include "qgis.h"
#include <QStringList>
#include <QNetworkAccessManager>
#include <QNetworkProxy>
#include <QNetworkRequest>

#include "qgis_core.h"

class CORE_EXPORT QgsNetworkAccessManager : public QNetworkAccessManager
{
    Q_OBJECT

  public:
    // and creates that instance on the first call.
    static QgsNetworkAccessManager *instance();

    QgsNetworkAccessManager( QObject *parent = nullptr );

    void insertProxyFactory( QNetworkProxyFactory *factory SIP_TRANSFER );

    void removeProxyFactory( QNetworkProxyFactory *factory SIP_TRANSFERBACK );

    const QList<QNetworkProxyFactory *> proxyFactories() const;

    const QNetworkProxy &fallbackProxy() const;

    QStringList excludeList() const;

    void setFallbackProxyAndExcludes( const QNetworkProxy &proxy, const QStringList &excludes );

    static QString cacheLoadControlName( QNetworkRequest::CacheLoadControl control );

    static QNetworkRequest::CacheLoadControl cacheLoadControlFromName( const QString &name );

    void setupDefaultProxyAndCache();

    bool useSystemProxy() const { return mUseSystemProxy; }

  signals:
    void requestAboutToBeCreated( QNetworkAccessManager::Operation, const QNetworkRequest &, QIODevice * );
    void requestCreated( QNetworkReply * );
    void requestTimedOut( QNetworkReply * );

  private slots:
    void abortRequest();

  protected:
    QNetworkReply *createRequest( QNetworkAccessManager::Operation op, const QNetworkRequest &req, QIODevice *outgoingData = nullptr ) override;

  private:
    QList<QNetworkProxyFactory *> mProxyFactories;
    QNetworkProxy mFallbackProxy;
    QStringList mExcludedURLs;
    bool mUseSystemProxy = false;
    bool mInitialized = false;
    static QgsNetworkAccessManager *sMainNAM;
};

#endif // QGSNETWORKACCESSMANAGER_H