63 lines
1.9 KiB
C++
63 lines
1.9 KiB
C++
/*
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* Strawberry Music Player
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* This file was part of Clementine.
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* Copyright 2010, David Sansome <me@davidsansome.com>
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*
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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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*
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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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*
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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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*/
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#ifndef COVERPROVIDER_H
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#define COVERPROVIDER_H
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#include "config.h"
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#include <stdbool.h>
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#include <QObject>
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#include <QList>
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#include <QString>
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struct CoverSearchResult;
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// Each implementation of this interface downloads covers from one online service.
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// There are no limitations on what this service might be - last.fm, 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, 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.
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// Returns true if the query has been started, or false if an error occurred.
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// The provider 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, 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 // COVERPROVIDER_H
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