/* This file is part of Clementine.
   Copyright 2011-2012, David Sansome <me@davidsansome.com>
   Copyright 2014, Krzysztof Sobiecki <sobkas@gmail.com>
   Copyright 2014, John Maguire <john.maguire@gmail.com>

   Clementine 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 3 of the License, or
   (at your option) any later version.

   Clementine 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 Clementine.  If not, see <http://www.gnu.org/licenses/>.
*/

#ifndef COVERS_CURRENTARTLOADER_H_
#define COVERS_CURRENTARTLOADER_H_

#include <memory>

#include <QObject>

#include "core/song.h"
#include "covers/albumcoverloaderoptions.h"

class Application;

class QImage;
class QTemporaryFile;

class CurrentArtLoader : public QObject {
  Q_OBJECT

 public:
  explicit CurrentArtLoader(Application* app, QObject* parent = nullptr);
  ~CurrentArtLoader();

  const AlbumCoverLoaderOptions& options() const { return options_; }
  const Song& last_song() const { return last_song_; }

 public slots:
  void LoadArt(const Song& song);

 signals:
  void ArtLoaded(const Song& song, const QString& uri, const QImage& image);
  void ThumbnailLoaded(const Song& song, const QString& uri,
                       const QImage& image);

 private slots:
  void TempArtLoaded(quint64 id, const QImage& image);

 private:
  Application* app_;
  AlbumCoverLoaderOptions options_;

  QString temp_file_pattern_;

  std::unique_ptr<QTemporaryFile> temp_art_;
  std::unique_ptr<QTemporaryFile> temp_art_thumbnail_;
  quint64 id_;

  Song last_song_;
};

#endif  // COVERS_CURRENTARTLOADER_H_