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Diffstat (limited to 'src/corelib/plugin/qlibrary_p.h')
-rw-r--r-- | src/corelib/plugin/qlibrary_p.h | 124 |
1 files changed, 124 insertions, 0 deletions
diff --git a/src/corelib/plugin/qlibrary_p.h b/src/corelib/plugin/qlibrary_p.h new file mode 100644 index 0000000000..e2e16d9bc2 --- /dev/null +++ b/src/corelib/plugin/qlibrary_p.h @@ -0,0 +1,124 @@ +/**************************************************************************** +** +** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the QtCore module 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 Technology Preview License Agreement accompanying +** this package. +** +** 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. +** +** If you have questions regarding the use of this file, please contact +** Nokia at qt-info@nokia.com. +** +** +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef QLIBRARY_P_H +#define QLIBRARY_P_H + +// +// W A R N I N G +// ------------- +// +// This file is not part of the Qt API. It exists for the convenience +// of the QLibrary class. This header file may change from +// version to version without notice, or even be removed. +// +// We mean it. +// + +#ifdef Q_WS_WIN +# include "QtCore/qt_windows.h" +#endif +#include "QtCore/qlibrary.h" +#include "QtCore/qpointer.h" +#include "QtCore/qstringlist.h" +#include "QtCore/qplugin.h" +#include "QtCore/qsharedpointer.h" + +#ifndef QT_NO_LIBRARY + +QT_BEGIN_NAMESPACE + +bool qt_debug_component(); + +class QSettings; +class QLibraryPrivate +{ +public: + +#ifdef Q_WS_WIN + HINSTANCE +#else + void * +#endif + pHnd; + + QString fileName, qualifiedFileName; + QString fullVersion; + + bool load(); + bool loadPlugin(); // loads and resolves instance + bool unload(); + void release(); + void *resolve(const char *); + + static QLibraryPrivate *findOrCreate(const QString &fileName, const QString &version = QString()); + + QWeakPointer<QObject> inst; + QtPluginInstanceFunction instance; + uint qt_version; + QString lastModified; + + QString errorString; + QLibrary::LoadHints loadHints; + + bool isPlugin(QSettings *settings = 0); + + +private: + explicit QLibraryPrivate(const QString &canonicalFileName, const QString &version); + ~QLibraryPrivate(); + + bool load_sys(); + bool unload_sys(); + void *resolve_sys(const char *); + + QAtomicInt libraryRefCount; + QAtomicInt libraryUnloadCount; + + enum {IsAPlugin, IsNotAPlugin, MightBeAPlugin } pluginState; + friend class QLibraryPrivateHasFriends; +}; + +QT_END_NAMESPACE + +#endif // QT_NO_LIBRARY + +#endif // QLIBRARY_P_H |