74 lines
1.9 KiB
C++
74 lines
1.9 KiB
C++
/* This file is part of Clementine.
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Copyright 2010, David Sansome <me@davidsansome.com>
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Clementine 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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Clementine 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 Clementine. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef SONGINFOFETCHER_H
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#define SONGINFOFETCHER_H
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#include <QMap>
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#include <QObject>
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#include <QUrl>
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#include "collapsibleinfopane.h"
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#include "core/song.h"
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class SongInfoProvider;
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class QSignalMapper;
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class SongInfoFetcher : public QObject {
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Q_OBJECT
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public:
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SongInfoFetcher(QObject* parent = nullptr);
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struct Result {
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QList<QUrl> images_;
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QList<CollapsibleInfoPane::Data> info_;
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};
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static const int kDefaultTimeoutDuration = 25000; // msec
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void AddProvider(SongInfoProvider* provider);
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int FetchInfo(const Song& metadata);
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QList<SongInfoProvider*> providers() const { return providers_; }
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signals:
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void InfoResultReady(int id, const CollapsibleInfoPane::Data& data);
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void ResultReady(int id, const SongInfoFetcher::Result& result);
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private slots:
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void ImageReady(int id, const QUrl& url);
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void InfoReady(int id, const CollapsibleInfoPane::Data& data);
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void ProviderFinished(int id);
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void Timeout(int id);
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private:
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QList<SongInfoProvider*> providers_;
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QMap<int, Result> results_;
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QMap<int, QList<SongInfoProvider*> > waiting_for_;
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QMap<int, QTimer*> timeout_timers_;
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QSignalMapper* timeout_timer_mapper_;
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int timeout_duration_;
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int next_id_;
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};
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#endif // SONGINFOFETCHER_H
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