1 /**************************************************************************** 2 ** 3 ** Copyright (C) 2016 The Qt Company Ltd. 4 ** Contact: https://www.qt.io/licensing/ 5 ** 6 ** This file is part of the QtCore module of the Qt Toolkit. 7 ** 8 ** $QT_BEGIN_LICENSE:LGPL$ 9 ** Commercial License Usage 10 ** Licensees holding valid commercial Qt licenses may use this file in 11 ** accordance with the commercial license agreement provided with the 12 ** Software or, alternatively, in accordance with the terms contained in 13 ** a written agreement between you and The Qt Company. For licensing terms 14 ** and conditions see https://www.qt.io/terms-conditions. For further 15 ** information use the contact form at https://www.qt.io/contact-us. 16 ** 17 ** GNU Lesser General Public License Usage 18 ** Alternatively, this file may be used under the terms of the GNU Lesser 19 ** General Public License version 3 as published by the Free Software 20 ** Foundation and appearing in the file LICENSE.LGPL3 included in the 21 ** packaging of this file. Please review the following information to 22 ** ensure the GNU Lesser General Public License version 3 requirements 23 ** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. 24 ** 25 ** GNU General Public License Usage 26 ** Alternatively, this file may be used under the terms of the GNU 27 ** General Public License version 2.0 or (at your option) the GNU General 28 ** Public license version 3 or any later version approved by the KDE Free 29 ** Qt Foundation. The licenses are as published by the Free Software 30 ** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 31 ** included in the packaging of this file. Please review the following 32 ** information to ensure the GNU General Public License requirements will 33 ** be met: https://www.gnu.org/licenses/gpl-2.0.html and 34 ** https://www.gnu.org/licenses/gpl-3.0.html. 35 ** 36 ** $QT_END_LICENSE$ 37 ** 38 ****************************************************************************/ 39 40 #ifndef QPLUGINLOADER_H 41 #define QPLUGINLOADER_H 42 43 #include <QtCore/qglobal.h> 44 #if QT_CONFIG(library) 45 #include <QtCore/qlibrary.h> 46 #endif 47 #include <QtCore/qplugin.h> 48 49 QT_BEGIN_NAMESPACE 50 51 #if QT_CONFIG(library) 52 53 class QLibraryPrivate; 54 class QJsonObject; 55 56 class Q_CORE_EXPORT QPluginLoader : public QObject 57 { 58 Q_OBJECT 59 Q_PROPERTY(QString fileName READ fileName WRITE setFileName) 60 Q_PROPERTY(QLibrary::LoadHints loadHints READ loadHints WRITE setLoadHints) 61 public: 62 explicit QPluginLoader(QObject *parent = nullptr); 63 explicit QPluginLoader(const QString &fileName, QObject *parent = nullptr); 64 ~QPluginLoader(); 65 66 QObject *instance(); 67 QJsonObject metaData() const; 68 69 static QObjectList staticInstances(); 70 static QVector<QStaticPlugin> staticPlugins(); 71 72 bool load(); 73 bool unload(); 74 bool isLoaded() const; 75 76 void setFileName(const QString &fileName); 77 QString fileName() const; 78 79 QString errorString() const; 80 81 void setLoadHints(QLibrary::LoadHints loadHints); 82 QLibrary::LoadHints loadHints() const; 83 84 private: 85 QLibraryPrivate *d; 86 bool did_load; 87 Q_DISABLE_COPY(QPluginLoader) 88 }; 89 90 #else 91 92 class Q_CORE_EXPORT QPluginLoader 93 { 94 public: 95 static QObjectList staticInstances(); 96 static QVector<QStaticPlugin> staticPlugins(); 97 }; 98 99 #endif // QT_CONFIG(library) 100 101 QT_END_NAMESPACE 102 103 #endif //QPLUGINLOADER_H 104