src/base/net/downloadhandlerimpl.h

   1 /*
   2  * Bittorrent Client using Qt and libtorrent.
   3  * Copyright (C) 2015, 2018  Vladimir Golovnev <glassez@yandex.ru>
   4  * Copyright (C) 2006  Christophe Dumez <chris@qbittorrent.org>
   5  *
   6  * This program is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU General Public License
   8  * as published by the Free Software Foundation; either version 2
   9  * of the License, or (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  19  *
  20  * In addition, as a special exception, the copyright holders give permission to
  21  * link this program with the OpenSSL project's "OpenSSL" library (or with
  22  * modified versions of it that use the same license as the "OpenSSL" library),
  23  * and distribute the linked executables. You must obey the GNU General Public
  24  * License in all respects for all of the code used other than "OpenSSL".  If you
  25  * modify file(s), you may extend this exception to your version of the file(s),
  26  * but you are not obligated to do so. If you do not wish to do so, delete this
  27  * exception statement from your version.
  28  */
  29
  30 #pragma once
  31
  32 #include <QNetworkReply>
  33
  34 #include "base/net/downloadmanager.h"
  35
  36 class QObject;
  37 class QUrl;
  38
  39 class DownloadHandlerImpl final : public Net::DownloadHandler
  40 {
  41     Q_OBJECT
  42     Q_DISABLE_COPY_MOVE(DownloadHandlerImpl)
  43
  44 public:
  45     DownloadHandlerImpl(Net::DownloadManager *manager, const Net::DownloadRequest &downloadRequest);
  46
  47     void cancel() override;
  48
  49     QString url() const;
  50     const Net::DownloadRequest downloadRequest() const;
  51
  52     void assignNetworkReply(QNetworkReply *reply);
  53
  54 private:
  55     void processFinishedDownload();
  56     void checkDownloadSize(qint64 bytesReceived, qint64 bytesTotal);
  57     void handleRedirection(const QUrl &newUrl);
  58     void setError(const QString &error);
  59     void finish();
  60
  61     static QString errorCodeToString(QNetworkReply::NetworkError status);
  62
  63     Net::DownloadManager *m_manager = nullptr;
  64     QNetworkReply *m_reply = nullptr;
  65     const Net::DownloadRequest m_downloadRequest;
  66     short m_redirectionCount = 0;
  67     Net::DownloadResult m_result;
  68 };