/src/libtomahawk/infosystem/InfoSystemCache.h
http://github.com/tomahawk-player/tomahawk · C Header · 79 lines · 38 code · 18 blank · 23 comment · 0 complexity · c4fe777060575537e9fe6a349ebbe5e8 MD5 · raw file
- /* === This file is part of Tomahawk Player - <http://tomahawk-player.org> ===
- *
- * Copyright 2010-2011, Christian Muehlhaeuser <muesli@tomahawk-player.org>
- * Copyright 2010-2011, Jeff Mitchell <jeff@tomahawk-player.org>
- *
- * Tomahawk 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.
- *
- * Tomahawk 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 Tomahawk. If not, see <http://www.gnu.org/licenses/>.
- */
- #ifndef TOMAHAWK_INFOSYSTEMCACHE_H
- #define TOMAHAWK_INFOSYSTEMCACHE_H
- #include <QCache>
- #include <QDateTime>
- #include <QObject>
- #include <QtDebug>
- #include <QTimer>
- #include "InfoSystem.h"
- namespace Tomahawk
- {
- namespace InfoSystem
- {
- class DLLEXPORT InfoSystemCache : public QObject
- {
- Q_OBJECT
- public:
- InfoSystemCache( QObject *parent = 0 );
- virtual ~InfoSystemCache();
- signals:
- void info( Tomahawk::InfoSystem::InfoRequestData requestData, QVariant output );
- public slots:
- void getCachedInfoSlot( Tomahawk::InfoSystem::InfoStringHash criteria, qint64 newMaxAge, Tomahawk::InfoSystem::InfoRequestData requestData );
- void updateCacheSlot( Tomahawk::InfoSystem::InfoStringHash criteria, qint64 maxAge, Tomahawk::InfoSystem::InfoType type, QVariant output );
- private slots:
- void pruneTimerFired();
- private:
- /**
- * Version number of the infosystem cache.
- * If you change existing cached data,
- * increase this number.
- */
- static const int s_infosystemCacheVersion;
- void notInCache( QObject *receiver, Tomahawk::InfoSystem::InfoStringHash criteria, Tomahawk::InfoSystem::InfoRequestData requestData );
- const QString criteriaMd5( const Tomahawk::InfoSystem::InfoStringHash &criteria, Tomahawk::InfoSystem::InfoType type = Tomahawk::InfoSystem::InfoNoInfo ) const;
- QString m_cacheBaseDir;
- QHash< InfoType, QHash< QString, QString > > m_fileLocationCache;
- QTimer m_pruneTimer;
- QCache< QString, QVariant > m_dataCache;
- };
- } //namespace InfoSystem
- } //namespace Tomahawk
- Q_DECLARE_METATYPE( Tomahawk::InfoSystem::InfoSystemCache* )
- #endif //TOMAHAWK_INFOSYSTEMCACHE_H