qlibrary_p.h

00001 /**********************************************************************
00002 ** Copyright (C) 2000-2002 Trolltech AS.  All rights reserved.
00003 **
00004 ** This file is part of the Qtopia Environment.
00005 **
00006 ** This file may be distributed and/or modified under the terms of the
00007 ** GNU General Public License version 2 as published by the Free Software
00008 ** Foundation and appearing in the file LICENSE.GPL included in the
00009 ** packaging of this file.
00010 **
00011 ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
00012 ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
00013 **
00014 ** See http://www.trolltech.com/gpl/ for GPL licensing information.
00015 **
00016 ** Contact info@trolltech.com if any conditions of this licensing are
00017 ** not clear to you.
00018 **
00019 **********************************************************************/
00020 
00021 #ifndef QLIBRARY_P_H
00022 #define QLIBRARY_P_H
00023 
00024 //
00025 //  W A R N I N G
00026 //  -------------
00027 //
00028 // This file is not part of the Qt API.  It exists for the convenience
00029 // of the QLibrary class.  This header file may change from
00030 // version to version without notice, or even be removed.
00031 //
00032 // We mean it.
00033 //
00034 //
00035 
00036 #include "qlibrary.h"
00037 
00038 //#ifndef QT_NO_COMPONENT
00039 
00040 //#ifndef QT_H
00041 #include "qwindowdefs.h"
00042 //#ifndef QT_LITE_COMPONENT
00043 #include "qobject.h"
00044 //#endif
00045 //#endif // QT_H
00046 
00047 class QTimer;
00048 class QLibrary;
00049 class QLibraryInterface;
00050 
00051 /*
00052   Private helper class that saves the platform dependent handle
00053   and does the unload magic using a QTimer.
00054 */
00055 //#ifndef QT_LITE_COMPONENT
00056 class QLibraryPrivate : public QObject
00057 {
00058     Q_OBJECT
00059 public:
00060     QLibraryPrivate( QLibrary *lib );
00061     ~QLibraryPrivate();
00062  
00063     void startTimer();
00064     void killTimer();
00065 
00066 #ifdef Q_WS_WIN
00067     HINSTANCE pHnd;
00068 #else
00069     void *pHnd;
00070 #endif
00071 
00072     QLibraryInterface *libIface;
00073 
00074     bool loadLibrary();
00075     bool freeLibrary();
00076     void *resolveSymbol( const char * );
00077 
00078 private slots:
00079     void tryUnload();
00080 
00081 private:
00082     QTimer *unloadTimer;
00083     QLibrary *library;
00084 };
00085 
00086 #else // QT_LITE_COMPONENT
00087 class QLibraryPrivate
00088 {
00089 public:
00090     QLibraryPrivate( QLibrary *lib );
00091 
00092     void startTimer();
00093     void killTimer();
00094 
00095 #ifdef Q_WS_WIN
00096     HINSTANCE pHnd;
00097 #else
00098     void *pHnd;
00099 #endif
00100     QLibraryInterface *libIface;
00101 
00102     bool loadLibrary();
00103     bool freeLibrary();
00104     void *resolveSymbol( const char * );
00105 
00106 private:
00107     QLibrary *library;
00108 };
00109 //#endif // QT_LITE_COMPONENT
00110 
00111 //#endif // QT_NO_COMPONENT
00112 
00113 #endif // QLIBRARY_P_H
Qtopia library API Documentation

qlibrary_p.h
