/*
    Copyright 2014-2015 Harald Sitter <sitter@kde.org>

    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
    License as published by the Free Software Foundation; either
    version 2.1 of the License, or (at your option) version 3, or any
    later version accepted by the membership of KDE e.V. (or its
    successor approved by the membership of KDE e.V.), which shall
    act as a proxy defined in Section 6 of version 3 of the license.

    This library 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
    Lesser General Public License for more details.

    You should have received a copy of the GNU Lesser General Public
    License along with this library.  If not, see <http://www.gnu.org/licenses/>.
*/

#ifndef REF_H
#define REF_H

#include <QtGlobal>

namespace QPulseAudio
{

class Context;

/**
 * @brief A refcounting helper for context.
 * The Ref constructor increases the context singleton refcounter while the
 * destructor decreases the refcounter.
 * When the Context refcount reaches 0 the singleton is destroyed until it is
 * needed again. This enables us to leave no lingering context behind if the
 * user removes the plasma applet at runtime.
 */
class Q_DECL_EXPORT Ref
{
public:
    Ref();
    virtual ~Ref();

    /**
     * @brief Helper to access the context via Context::instance.
     * @return Context::instance() instance
     */
    Context *context() const;
};

} // QPulseAudio

#endif // REF_H
