62 lines
2.1 KiB
C++
62 lines
2.1 KiB
C++
/* This file is part of Clementine.
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Copyright 2011, Paweł Bara <keirangtp@gmail.com>
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Copyright 2011, David Sansome <davidsansome@gmail.com>
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Copyright 2014, Krzysztof Sobiecki <sobkas@gmail.com>
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Copyright 2014, John Maguire <john.maguire@gmail.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 COVERS_COVERPROVIDER_H_
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#define COVERS_COVERPROVIDER_H_
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#include <QObject>
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#include "albumcoverfetcher.h"
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#include "coverproviders.h"
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class QNetworkReply;
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// Each implementation of this interface downloads covers from one online
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// service. There are no limitations on what this service might be - last.fm,
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// Amazon, Google Images - you name it.
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class CoverProvider : public QObject {
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Q_OBJECT
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public:
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explicit CoverProvider(const QString& name, const bool& fetchall,
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QObject* parent);
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// A name (very short description) of this provider, like "last.fm".
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QString name() const { return name_; }
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bool fetchall() const { return fetchall_; }
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// Starts searching for covers matching the given query text. Returns true
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// if the query has been started, or false if an error occurred. The provider
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// should remember the ID and emit it along with the result when it finishes.
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virtual bool StartSearch(const QString& artist, const QString& album,
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int id) = 0;
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virtual void CancelSearch(int id) {}
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signals:
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void SearchFinished(int id, const QList<CoverSearchResult>& results);
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private:
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QString name_;
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bool fetchall_;
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};
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#endif // COVERS_COVERPROVIDER_H_
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