65 lines
2.0 KiB
C++
65 lines
2.0 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 <me@davidsansome.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_COVERPROVIDERS_H_
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#define COVERS_COVERPROVIDERS_H_
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#include <QMap>
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#include <QMutex>
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#include <QObject>
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class AlbumCoverFetcherSearch;
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class CoverProvider;
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// This is a repository for cover providers.
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// Providers are automatically unregistered from the repository when they are
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// deleted. The class is thread safe.
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class CoverProviders : public QObject {
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Q_OBJECT
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public:
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explicit CoverProviders(QObject* parent = nullptr);
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// Lets a cover provider register itself in the repository.
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void AddProvider(CoverProvider* provider);
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void RemoveProvider(CoverProvider* provider);
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// Returns a list of cover providers
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QList<CoverProvider*> List() const { return cover_providers_.keys(); }
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// Returns true if this repository has at least one registered provider.
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bool HasAnyProviders() const { return !cover_providers_.isEmpty(); }
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int NextId();
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private slots:
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void ProviderDestroyed();
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private:
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Q_DISABLE_COPY(CoverProviders)
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QMap<CoverProvider*, QString> cover_providers_;
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QMutex mutex_;
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QAtomicInt next_id_;
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};
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#endif // COVERS_COVERPROVIDERS_H_
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