/****************************************************************************
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** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
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** This file is part of the QtCore module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
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** conditions see http://qt.digia.com/licensing.  For further information
** use the contact form at http://qt.digia.com/contact-us.
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** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** 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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** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
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****************************************************************************/

#ifndef QPLUGINLOADER_H
#define QPLUGINLOADER_H

#include <QtCore/qlibrary.h>
#include <QtCore/qplugin.h>

#ifndef QT_NO_LIBRARY

QT_BEGIN_NAMESPACE

class QLibraryPrivate;
class QJsonObject;

class Q_CORE_EXPORT QPluginLoader : public QObject
{
    Q_OBJECT
    Q_PROPERTY(QString fileName READ fileName WRITE setFileName)
    Q_PROPERTY(QLibrary::LoadHints loadHints READ loadHints WRITE setLoadHints)
public:
    explicit QPluginLoader(QObject *parent = 0);
    explicit QPluginLoader(const QString &fileName, QObject *parent = 0);
    ~QPluginLoader();

    QObject *instance();
    QJsonObject metaData() const;

    static QObjectList staticInstances();
    static QVector<QStaticPlugin> staticPlugins();

    bool load();
    bool unload();
    bool isLoaded() const;

    void setFileName(const QString &fileName);
    QString fileName() const;

    QString errorString() const;

    void setLoadHints(QLibrary::LoadHints loadHints);
    QLibrary::LoadHints loadHints() const;

private:
    QLibraryPrivate *d;
    bool did_load;
    Q_DISABLE_COPY(QPluginLoader)
};

QT_END_NAMESPACE

#endif // QT_NO_LIBRARY

#endif //QPLUGINLOADER_H