Clementine-audio-player-Mac.../src/moodbar/moodbarloader.h

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/* This file is part of Clementine.
Copyright 2012, David Sansome <me@davidsansome.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 MOODBARLOADER_H
#define MOODBARLOADER_H
#include <QMap>
#include <QObject>
#include <QSet>
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class QNetworkDiskCache;
class QUrl;
class Application;
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class MoodbarPipeline;
class MoodbarLoader : public QObject {
Q_OBJECT
public:
MoodbarLoader(Application* app, QObject* parent = nullptr);
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~MoodbarLoader();
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enum Result {
// The URL isn't a local file or the moodbar plugin was not available -
// moodbar data can never be loaded.
CannotLoad,
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// Moodbar data was loaded and returned.
Loaded,
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// Moodbar data will be loaded in the background, a MoodbarPipeline* was
// was returned that you can connect to the Finished() signal on.
WillLoadAsync
};
Result Load(const QUrl& url, QByteArray* data,
MoodbarPipeline** async_pipeline);
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private slots:
void ReloadSettings();
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void RequestFinished(MoodbarPipeline* request, const QUrl& filename);
void MaybeTakeNextRequest();
private:
static QStringList MoodFilenames(const QString& song_filename);
private:
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QNetworkDiskCache* cache_;
QThread* thread_;
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const int kMaxActiveRequests;
QMap<QUrl, MoodbarPipeline*> requests_;
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QList<QUrl> queued_requests_;
QSet<QUrl> active_requests_;
bool save_alongside_originals_;
bool disable_moodbar_calculation_;
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};
#endif // MOODBARLOADER_H