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/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the Qt Designer of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the either Technology Preview License Agreement or the
** Beta Release License Agreement.
**
** 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
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain
** additional rights. These rights are described in the Nokia Qt LGPL
** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
** package.
**
** 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
** met: http://www.gnu.org/copyleft/gpl.html.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at http://www.qtsoftware.com/contact.
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef DEFAULT_EXTENSIONFACTORY_H
#define DEFAULT_EXTENSIONFACTORY_H
#include <QtDesigner/extension_global.h>
#include <QtDesigner/extension.h>
#include <QtCore/QMap>
#include <QtCore/QHash>
#include <QtCore/QPair>
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
class QExtensionManager;
class QDESIGNER_EXTENSION_EXPORT QExtensionFactory : public QObject, public QAbstractExtensionFactory
{
Q_OBJECT
Q_INTERFACES(QAbstractExtensionFactory)
public:
QExtensionFactory(QExtensionManager *parent = 0);
virtual QObject *extension(QObject *object, const QString &iid) const;
QExtensionManager *extensionManager() const;
private Q_SLOTS:
void objectDestroyed(QObject *object);
protected:
virtual QObject *createExtension(QObject *object, const QString &iid, QObject *parent) const;
private:
typedef QPair<QString,QObject*> IdObjectKey;
typedef QMap< IdObjectKey, QObject*> ExtensionMap;
mutable ExtensionMap m_extensions;
typedef QHash<QObject*, bool> ExtendedSet;
mutable ExtendedSet m_extended;
};
QT_END_NAMESPACE
QT_END_HEADER
#endif // DEFAULT_EXTENSIONFACTORY_H
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