81 lines
2.1 KiB
C++
81 lines
2.1 KiB
C++
/* This file was part of Clementine.
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Copyright 2012, David Sansome <me@davidsansome.com>
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Strawberry is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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Strawberry is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Strawberry. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef MOODBARLOADER_H
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#define MOODBARLOADER_H
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#include <QObject>
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#include <QList>
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#include <QMap>
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#include <QSet>
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#include <QString>
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#include <QStringList>
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#include <QUrl>
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class QThread;
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class QByteArray;
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class QNetworkDiskCache;
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class Application;
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class MoodbarPipeline;
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class MoodbarLoader : public QObject {
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Q_OBJECT
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public:
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explicit MoodbarLoader(Application *app, QObject *parent = nullptr);
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~MoodbarLoader() override;
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enum class Result {
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// The URL isn't a local file or the moodbar plugin was not available -
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// moodbar data can never be loaded.
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CannotLoad,
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// Moodbar data was loaded and returned.
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Loaded,
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// Moodbar data will be loaded in the background, a MoodbarPipeline
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// was returned that you can connect to the Finished() signal on.
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WillLoadAsync
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};
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Result Load(const QUrl &url, const bool has_cue, QByteArray *data, MoodbarPipeline **async_pipeline);
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private slots:
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void ReloadSettings();
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void RequestFinished(MoodbarPipeline *request, const QUrl &url);
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void MaybeTakeNextRequest();
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private:
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static QStringList MoodFilenames(const QString &song_filename);
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static QUrl CacheUrlEntry(const QString &filename);
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private:
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QNetworkDiskCache *cache_;
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QThread *thread_;
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const int kMaxActiveRequests;
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QMap<QUrl, MoodbarPipeline*> requests_;
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QList<QUrl> queued_requests_;
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QSet<QUrl> active_requests_;
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bool save_;
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};
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#endif // MOODBARLOADER_H
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