新增网络中转服务器+designer源码项目

designer/lib/extension/default_extensionfactory.h

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+/****************************************************************************
+**
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the Qt Designer of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** Commercial Usage
+** Licensees holding valid Qt Commercial licenses may use this file in
+** accordance with the Qt Commercial License Agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Nokia.
+**
+** 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 1.1, 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.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#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