00001
00002
00003
00004
00005
00006
00007
00008
00009
00010
00011
00012
00013
00014
00015
00016
00017
00018
#ifndef KLIBLOADER_H
00019
#define KLIBLOADER_H
00020
00021
#include <qobject.h>
00022
#include <qstring.h>
00023
#include <qstringlist.h>
00024
#include <qasciidict.h>
00025
#include <qptrlist.h>
00026
#include <kglobal.h>
00027
00028
#include <stdlib.h>
00029
00030
class KInstance;
00031
class QTimer;
00032
class KLibrary;
00033
class KLibFactory;
00034
class KLibFactoryPrivate;
00035
class KLibLoaderPrivate;
00036
class KLibraryPrivate;
00037
00038
#define K_EXPORT_COMPONENT_FACTORY( libname, factory ) \
00039
extern "C" { void *init_##libname() { return new factory; } }
00040
00050 class KLibrary :
public QObject
00051 {
00052
friend class KLibLoader;
00053
friend class QAsciiDict<KLibrary>;
00054
00055 Q_OBJECT
00056
public:
00061 KLibrary(
const QString& libname,
const QString& filename,
void * handle );
00062
00067
QString name()
const;
00068
00073
QString fileName()
const;
00074
00079
KLibFactory*
factory();
00080
00090
void*
symbol(
const char* name )
const;
00091
00101
bool hasSymbol(
const char* name )
const;
00102
00108
void unload()
const;
00109
00110
private slots:
00111
void slotObjectCreated(
QObject *obj );
00112
void slotObjectDestroyed();
00113
void slotTimeout();
00114
00115
private:
00120 ~KLibrary();
00121
00122
QString m_libname;
00123
QString m_filename;
00124
KLibFactory* m_factory;
00125
void * m_handle;
00126
QPtrList<QObject> m_objs;
00127
QTimer *m_timer;
00128 KLibraryPrivate *d;
00129 };
00130
00131
class KLibWrapPrivate;
00132
00143 class KLibLoader :
public QObject
00144 {
00145
friend class KLibrary;
00146
00147 Q_OBJECT
00148
public:
00154
~KLibLoader();
00155
00176
KLibFactory*
factory(
const char* libname );
00177
00198
virtual KLibrary*
library(
const char* libname );
00199
00222
KLibrary*
globalLibrary(
const char *name );
00223
00224
00225
00226
00227
00228
00229
00230
00231
QString lastErrorMessage()
const;
00232
00247
virtual void unloadLibrary(
const char *libname );
00248
00255
static KLibLoader*
self();
00256
00265
static void cleanUp();
00266
00277
static QString findLibrary(
const char * name,
const KInstance * instance = KGlobal::instance() );
00278
00279
protected:
00280
KLibLoader(
QObject* parent = 0,
const char* name = 0 );
00281
00282
private slots:
00283
void slotLibraryDestroyed();
00284
private:
00285
void close_pending( KLibWrapPrivate * );
00286
QAsciiDict<KLibWrapPrivate> m_libs;
00287
00288
static KLibLoader* s_self;
00289
00290
protected:
00291
virtual void virtual_hook(
int id,
void* data );
00292
private:
00293 KLibLoaderPrivate *d;
00294 };
00295
00331 class KLibFactory :
public QObject
00332 {
00333 Q_OBJECT
00334
public:
00340
KLibFactory(
QObject* parent = 0,
const char* name = 0 );
00341
virtual ~
KLibFactory();
00342
00364
QObject*
create(
QObject* parent = 0,
const char* name = 0,
const char* classname =
"QObject",
const QStringList &args =
QStringList() );
00365
00366 signals:
00371
void objectCreated(
QObject *obj );
00372
00373
00374
protected:
00375
00392
virtual QObject*
createObject(
QObject* parent = 0,
const char* name = 0,
00393
const char* className =
"QObject",
00394
const QStringList &args =
QStringList() ) = 0;
00395
00396
00397
protected:
00398
virtual void virtual_hook(
int id,
void* data );
00399
private:
00400 KLibFactoryPrivate *d;
00401 };
00402
00403
#endif