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 /**
  * \file downloadclient.h
  * Client to download via http.
  *
  * \b Project: Kid3
  * \author Urs Fleisch
  * \date 12 Jun 2011
  *
  * Copyright (C) 2011-2024  Urs Fleisch
  *
  * This file is part of Kid3.
  *
  * Kid3 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.
  *
  * Kid3 is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
  *
  * You should have received a copy of the GNU General Public License
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
 #pragma once
 
 #include <QString>
 #include "httpclient.h"
 
 /**
  * Client to download via HTTP.
  * @see DownloadDialog
  */
 class KID3_CORE_EXPORT DownloadClient : public HttpClient {
   Q_OBJECT
 public:
   /**
    * Constructor.
    *
    * @param netMgr network access manager
    */
   explicit DownloadClient(QNetworkAccessManager* netMgr);
 
   /**
    * Destructor.
    */
   ~DownloadClient() override = default;
 
   /**
    * Send a download request.
    *
    * @param url URL of resource to download
    */
   void startDownload(const QUrl& url);
 
   /**
    * Get the URL of an image file.
    * The input URL is transformed using the match picture URL table to
    * get the URL of an image file.
    *
    * @param url URL from image drag
    *
    * @return URL of image file, empty if no image URL found.
    */
   static QUrl getImageUrl(const QUrl& url);
 
 public slots:
   /**
    * Cancel a download.
    */
   void cancelDownload();
 
 signals:
   /**
    * Emitted when download is started
    * @param url URL of download
    */
   void downloadStarted(const QString& url);
 
   /**
    * Emitted when download finished.
    * @param data bytes containing download
    * @param contentType content type
    * @param url URL
    */
   void downloadFinished(const QByteArray& data, const QString& contentType,
                         const QString& url);
 
   /**
    * Emitted when a download is aborted.
    */
   void aborted();
 
 private slots:
   /**
    * Handle response when request is finished.
    * downloadFinished() is emitted.
    *
    * @param data received data
    */
   void requestFinished(const QByteArray& data);
 
 private:
   QUrl m_url;
   bool m_canceled;
 };