strawberry-audio-player-win.../src/core/threadsafenetworkdiskcache.h

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1.8 KiB
C++

/*
* Strawberry Music Player
* This file was part of Clementine.
* Copyright 2010, David Sansome <me@davidsansome.com>
* Copyright 2018-2021, Jonas Kvinge <jonas@jkvinge.net>
*
* 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 THREADSAFENETWORKDISKCACHE_H
#define THREADSAFENETWORKDISKCACHE_H
#include "config.h"
#include <QtGlobal>
#include <QObject>
#include <QAbstractNetworkCache>
#include <QMutex>
#include <QUrl>
#include <QNetworkCacheMetaData>
class QIODevice;
class QNetworkDiskCache;
class ThreadSafeNetworkDiskCache : public QAbstractNetworkCache {
Q_OBJECT
public:
explicit ThreadSafeNetworkDiskCache(QObject *parent);
~ThreadSafeNetworkDiskCache() override;
qint64 cacheSize() const override;
QIODevice *data(const QUrl &url) override;
void insert(QIODevice *device) override;
QNetworkCacheMetaData metaData(const QUrl &url) override;
QIODevice *prepare(const QNetworkCacheMetaData &metaData) override;
bool remove(const QUrl &url) override;
void updateMetaData(const QNetworkCacheMetaData &metaData) override;
public slots:
void clear() override;
private:
static QMutex sMutex;
static int sInstances;
static QNetworkDiskCache *sCache;
};
#endif // THREADSAFENETWORKDISKCACHE_H