strawberry-audio-player-win.../src/covermanager/coverproviders.h

68 lines
1.8 KiB
C++

/*
* Strawberry Music Player
* This file was part of Clementine.
* Copyright 2010, David Sansome <me@davidsansome.com>
*
* Strawberry is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Strawberry is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Strawberry. If not, see <http://www.gnu.org/licenses/>.
*
*/
#ifndef COVERPROVIDERS_H
#define COVERPROVIDERS_H
#include "config.h"
#include <QMap>
#include <QMutex>
#include <QObject>
class AlbumCoverFetcherSearch;
class CoverProvider;
// This is a repository for cover providers.
// Providers are automatically unregistered from the repository when they are
// deleted. The class is thread safe.
class CoverProviders : public QObject {
Q_OBJECT
public:
explicit CoverProviders(QObject *parent = nullptr);
// Lets a cover provider register itself in the repository.
void AddProvider(CoverProvider *provider);
void RemoveProvider(CoverProvider *provider);
// Returns a list of cover providers
QList<CoverProvider*> List() const { return cover_providers_.keys(); }
// Returns true if this repository has at least one registered provider.
bool HasAnyProviders() const { return !cover_providers_.isEmpty(); }
int NextId();
private slots:
void ProviderDestroyed();
private:
Q_DISABLE_COPY(CoverProviders);
QMap<CoverProvider *, QString> cover_providers_;
QMutex mutex_;
QAtomicInt next_id_;
};
#endif // COVERPROVIDERS_H