/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
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** Contact: Nokia Corporation (qt-info@nokia.com)
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** This file is part of the QtXmlPatterns module of the Qt Toolkit.
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** No Commercial Usage
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** contained in the Technology Preview License Agreement accompanying
** this package.
**
** GNU Lesser General Public License Usage
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** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
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****************************************************************************/

//
//  W A R N I N G
//  -------------
//
// This file is not part of the Qt API.  It exists purely as an
// implementation detail.  This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.

#ifndef QPatternist_DeviceResourceLoader_p_H
#define QPatternist_DeviceResourceLoader_p_H

template<typename T> class QSet;
class QUrl;

#include "qresourceloader_p.h"

QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE

namespace QPatternist
{
    /**
     * @short Base class for resource loaders that manage device variables.
     *
     * @author Frans Englich <frans.englich@nokia.com>
     * @since 4.5
     */
    class DeviceResourceLoader : public ResourceLoader
    {
    public:
        typedef QExplicitlySharedDataPointer<DeviceResourceLoader> Ptr;
        /**
         * @short Returns the URIs for device variables that this
         * ResourceLoader has loaded.
         *
         * The returned set may be empty.
         */
        virtual QSet<QUrl> deviceURIs() const = 0;
    };
}

QT_END_NAMESPACE
QT_END_HEADER

#endif