00001 /**************************************************************************** 00002 ** 00003 ** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). 00004 ** All rights reserved. 00005 ** Contact: Nokia Corporation (qt-info@nokia.com) 00006 ** 00007 ** This file is part of the QtCore module of the Qt Toolkit. 00008 ** 00009 ** $QT_BEGIN_LICENSE:LGPL$ 00010 ** Commercial Usage 00011 ** Licensees holding valid Qt Commercial licenses may use this file in 00012 ** accordance with the Qt Commercial License Agreement provided with the 00013 ** Software or, alternatively, in accordance with the terms contained in 00014 ** a written agreement between you and Nokia. 00015 ** 00016 ** GNU Lesser General Public License Usage 00017 ** Alternatively, this file may be used under the terms of the GNU Lesser 00018 ** General Public License version 2.1 as published by the Free Software 00019 ** Foundation and appearing in the file LICENSE.LGPL included in the 00020 ** packaging of this file. Please review the following information to 00021 ** ensure the GNU Lesser General Public License version 2.1 requirements 00022 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. 00023 ** 00024 ** In addition, as a special exception, Nokia gives you certain additional 00025 ** rights. These rights are described in the Nokia Qt LGPL Exception 00026 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this module. 00027 ** 00028 ** GNU General Public License Usage 00029 ** Alternatively, this file may be used under the terms of the GNU 00030 ** General Public License version 3.0 as published by the Free Software 00031 ** Foundation and appearing in the file LICENSE.GPL included in the 00032 ** packaging of this file. Please review the following information to 00033 ** ensure the GNU General Public License version 3.0 requirements will be 00034 ** met: http://www.gnu.org/copyleft/gpl.html. 00035 ** 00036 ** If you have questions regarding the use of this file, please contact 00037 ** Nokia at qt-info@nokia.com. 00038 ** $QT_END_LICENSE$ 00039 ** 00040 ****************************************************************************/ 00041 00042 #ifndef QPLUGINLOADER_H 00043 #define QPLUGINLOADER_H 00044 00045 #include <QtCore/qlibrary.h> 00046 00047 #if defined(QT_NO_LIBRARY) && defined(Q_OS_WIN) 00048 #undef QT_NO_LIBRARY 00049 #pragma message("QT_NO_LIBRARY is not supported on Windows") 00050 #endif 00051 00052 #ifndef QT_NO_LIBRARY 00053 00054 QT_BEGIN_HEADER 00055 00056 QT_BEGIN_NAMESPACE 00057 00058 QT_MODULE(Core) 00059 00060 class QLibraryPrivate; 00061 00062 class Q_CORE_EXPORT QPluginLoader : public QObject 00063 { 00064 Q_OBJECT 00065 Q_PROPERTY(QString fileName READ fileName WRITE setFileName) 00066 Q_PROPERTY(QLibrary::LoadHints loadHints READ loadHints WRITE setLoadHints) 00067 public: 00068 explicit QPluginLoader(QObject *parent = 0); 00069 explicit QPluginLoader(const QString &fileName, QObject *parent = 0); 00070 ~QPluginLoader(); 00071 00072 QObject *instance(); 00073 00074 static QObjectList staticInstances(); 00075 00076 bool load(); 00077 bool unload(); 00078 bool isLoaded() const; 00079 00080 void setFileName(const QString &fileName); 00081 QString fileName() const; 00082 00083 QString errorString() const; 00084 00085 void setLoadHints(QLibrary::LoadHints loadHints); 00086 QLibrary::LoadHints loadHints() const; 00087 00088 private: 00089 QLibraryPrivate *d; 00090 bool did_load; 00091 Q_DISABLE_COPY(QPluginLoader) 00092 }; 00093 00094 QT_END_NAMESPACE 00095 00096 QT_END_HEADER 00097 00098 #endif // QT_NO_LIBRARY 00099 00100 #endif //QPLUGINLOADER_H