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/****************************************************************************
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the Qt Designer 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
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** 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, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, 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.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#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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