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78 lines
1.8 KiB
C++
78 lines
1.8 KiB
C++
/*
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* resources_provider.h - header file for ResourcesProvider
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*
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* Copyright (c) 2009 Tobias Doerffel <tobydox/at/users.sourceforge.net>
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*
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* This file is part of Linux MultiMedia Studio - http://lmms.sourceforge.net
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This program 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 GNU
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* 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
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* License along with this program (see COPYING); if not, write to the
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* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301 USA.
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*
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*/
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#ifndef _RESOURCES_PROVIDER_H
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#define _RESOURCES_PROVIDER_H
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#include <QtCore/QByteArray>
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#include <QtCore/QObject>
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#include <QtCore/QString>
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class ResourcesDB;
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class ResourcesItem;
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class ResourcesProvider : public QObject
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{
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Q_OBJECT
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public:
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ResourcesProvider( const QString & _url );
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virtual ~ResourcesProvider();
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virtual QString providerName( void ) const = 0;
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virtual void updateDatabase( void ) = 0;
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virtual int dataSize( const ResourcesItem * _item ) const = 0;
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virtual QByteArray fetchData( const ResourcesItem * _item,
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int _maxSize = -1 ) const = 0;
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virtual bool cacheDatabase( void ) const
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{
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return true;
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}
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inline const QString & url( void ) const
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{
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return m_url;
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}
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QString localCacheFile( void ) const;
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ResourcesDB * database( void )
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{
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return m_database;
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}
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private:
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ResourcesDB * m_database;
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QString m_url;
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signals:
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void itemsChanged( void );
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} ;
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#endif
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