InstalledVoicesModel.h

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#ifndef OSMSCOUT_CLIENT_QT_INSTALLEDVOICESMODEL_H
#define OSMSCOUT_CLIENT_QT_INSTALLEDVOICESMODEL_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 <osmscoutclient/Settings.h>
 
#include <osmscoutclientqt/VoiceManager.h>
#include <osmscoutclientqt/Voice.h>
#include <osmscoutclientqt/ClientQtImportExport.h>
 
#include <QAbstractListModel>
#include <QList>
#include <QMediaPlayer>
#if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
#include <QMediaPlaylist>
#endif
 
namespace osmscout {

class OSMSCOUT_CLIENT_QT_API InstalledVoicesModel : public QAbstractListModel {
  Q_OBJECT
 
private:
  Slot<std::string> voiceDirSlot{
    [this](const std::string &dir){ onVoiceChanged(QString::fromStdString(dir)); }
  };
 
signals:
  void voiceChanged(const QString);
 
public slots:
  void update();
  void onVoiceChanged(const QString&);
 
public:
  InstalledVoicesModel();
 
  ~InstalledVoicesModel() override;
 
  enum Roles {
    NameRole = Qt::UserRole, // name
    LangRole = Qt::UserRole + 1, //
    GenderRole = Qt::UserRole + 2, // male or female (for now :-))
    ValidRole = Qt::UserRole + 3, // true if it real voice, false when placeholder for no-voice configuration
    LicenseRole = Qt::UserRole + 4,
    AuthorRole = Qt::UserRole + 5,
    DescriptionRole = Qt::UserRole + 6,
    SelectedRole = Qt::UserRole + 7 // true when this voice is selected
  };
  Q_ENUM(Roles)
 
  Q_INVOKABLE int rowCount(const QModelIndex &parent = QModelIndex()) const override;
  Q_INVOKABLE QVariant data(const QModelIndex &index, int role) const override;
  QHash<int, QByteArray> roleNames() const override;
  Q_INVOKABLE Qt::ItemFlags flags(const QModelIndex &index) const override;
 
  Q_INVOKABLE void select(const QModelIndex &index);
  Q_INVOKABLE void playSample(const QModelIndex &index, const QStringList &sample);
private:
  QString voiceDir;
  QList<Voice> voices;
  VoiceManagerRef voiceManager;
  SettingsRef settings;
 
  // we setup QObject parents, objects are cleaned after Module destruction
#if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
  QMediaPlaylist *currentPlaylist{nullptr};
#endif
  QMediaPlayer *mediaPlayer{nullptr};
};
}
#endif //OSMSCOUT_CLIENT_QT_INSTALLEDVOICESMODEL_H