Clementine-audio-player-Mac.../src/covers/currentartloader.cpp

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/* This file is part of Clementine.
2014-12-26 13:34:53 +01:00
Copyright 2010-2012, 2014, David Sansome <me@davidsansome.com>
Copyright 2014, John Maguire <john.maguire@gmail.com>
Copyright 2014, Krzysztof Sobiecki <sobkas@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/>.
*/
#include "currentartloader.h"
#include <QDir>
#include <QTemporaryFile>
#include <QUrl>
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#include "core/application.h"
#include "covers/albumcoverloader.h"
#include "playlist/playlistmanager.h"
CurrentArtLoader::CurrentArtLoader(Application* app, QObject* parent)
: QObject(parent),
app_(app),
temp_file_pattern_(QDir::tempPath() + "/clementine-art-XXXXXX.jpg"),
id_(0) {
options_.scale_output_image_ = false;
options_.pad_output_image_ = false;
options_.default_output_image_ = QImage(":nocover.png");
connect(app_->album_cover_loader(), SIGNAL(ImageLoaded(quint64, QImage)),
SLOT(TempArtLoaded(quint64, QImage)));
connect(app_->playlist_manager(), SIGNAL(CurrentSongChanged(Song)),
SLOT(LoadArt(Song)));
}
CurrentArtLoader::~CurrentArtLoader() {}
void CurrentArtLoader::LoadArt(const Song& song) {
last_song_ = song;
id_ = app_->album_cover_loader()->LoadImageAsync(options_, last_song_);
}
void CurrentArtLoader::TempArtLoaded(quint64 id, const QImage& image) {
if (id != id_) return;
id_ = 0;
QString uri;
QString thumbnail_uri;
QImage thumbnail;
if (!image.isNull()) {
temp_art_.reset(new QTemporaryFile(temp_file_pattern_));
temp_art_->setAutoRemove(true);
temp_art_->open();
image.save(temp_art_->fileName(), "JPEG");
// Scale the image down to make a thumbnail. It's a bit crap doing it here
// since it's the GUI thread, but the alternative is hard.
temp_art_thumbnail_.reset(new QTemporaryFile(temp_file_pattern_));
temp_art_thumbnail_->open();
temp_art_thumbnail_->setAutoRemove(true);
thumbnail = image.scaledToHeight(120, Qt::SmoothTransformation);
thumbnail.save(temp_art_thumbnail_->fileName(), "JPEG");
uri = "file://" + temp_art_->fileName();
thumbnail_uri = "file://" + temp_art_thumbnail_->fileName();
}
emit ArtLoaded(last_song_, uri, image);
emit ThumbnailLoaded(last_song_, thumbnail_uri, thumbnail);
}