VoiceManager.h

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#ifndef OSMSCOUT_CLIENT_QT_VOICEMANAGER_H
#define OSMSCOUT_CLIENT_QT_VOICEMANAGER_H
 
/*
  OSMScout - a Qt backend for libosmscout and libosmscout-map
  Copyright (C) 2020 Lukas Karas
 
  This library is free software; you can redistribute it and/or
  modify it under the terms of the GNU Lesser General Public
  License as published by the Free Software Foundation; either
  version 2.1 of the License, or (at your option) any later version.
 
  This library 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
  Lesser General Public License for more details.
 
  You should have received a copy of the GNU Lesser General Public
  License along with this library; if not, write to the Free Software
  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307  USA
*/
 
#include <QObject>
 
#include <osmscoutclientqt/FileDownloader.h>
#include <osmscoutclientqt/ClientQtImportExport.h>
#include <osmscoutclientqt/Voice.h>
 
#include <memory>
 
namespace osmscout {

class OSMSCOUT_CLIENT_QT_API VoiceDownloadJob: public DownloadJob
{
  Q_OBJECT
 
public:
  VoiceDownloadJob(QNetworkAccessManager *webCtrl,
                   const AvailableVoice &voice,
                   const QDir &target,
                   bool replaceExisting);
 
  virtual ~VoiceDownloadJob();
 
  void start();
 
  uint64_t expectedSize() const override
  {
    return 0;
  }
 
  AvailableVoice getVoice() const
  {
    return voice;
  }
 
private:
  AvailableVoice voice;
};
 

class OSMSCOUT_CLIENT_QT_API VoiceManager: public QObject {
  Q_OBJECT
 
signals:
  void reloaded();
 
  void startDownloading(const AvailableVoice &item);
  void downloaded(const AvailableVoice &item);
  void removed(const AvailableVoice &item);
 
  void voiceDownloadFails(const QString &errorMessage);
 
public slots:
  void reload();
 
  void download(const AvailableVoice &item);
  void remove(const AvailableVoice &item);
  void cancelDownload(const AvailableVoice &item);
 
  void onJobFinished();
  void onJobFailed(QString errorMessage);
 
public:
  VoiceManager();
 
  VoiceManager(const VoiceManager&) = delete;
  VoiceManager(VoiceManager&&) = delete;
 
  VoiceManager& operator=(const VoiceManager&) = delete;
  VoiceManager& operator=(VoiceManager&&) = delete;
 
  ~VoiceManager() override;
 
  QList<Voice> getInstalledVoices() const
  {
    return installedVoices;
  }
 
  bool isDownloaded(const AvailableVoice &voice) const;
  bool isDownloading(const AvailableVoice &voice) const;
 
  void downloadNext();
 
private:
  QList<Voice> installedVoices;
  QList<VoiceDownloadJob*> downloadJobs;
  QNetworkAccessManager webCtrl;
  QString lookupDir;
};

using VoiceManagerRef = std::shared_ptr<VoiceManager>;
 
}
#endif //OSMSCOUT_CLIENT_QT_VOICEMANAGER_H