khtml Library API Documentation

kjavaappletviewer.cpp

00001 /* This file is part of the KDE project
00002  *
00003  * Copyright (C) 2003 Koos Vriezen <koos.vriezen@xs4all.nl>
00004  *
00005  * This library is free software; you can redistribute it and/or
00006  * modify it under the terms of the GNU Library General Public
00007  * License as published by the Free Software Foundation; either
00008  * version 2 of the License, or (at your option) any later version.
00009  *
00010  * This library is distributed in the hope that it will be useful,
00011  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00012  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00013  * Library General Public License for more details.
00014  *
00015  * You should have received a copy of the GNU Library General Public License
00016  * along with this library; see the file COPYING.LIB.  If not, write to
00017  * the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
00018  * Boston, MA 02111-1307, USA.
00019  */
00020 #include <stdio.h>
00021 
00022 #ifdef KDE_USE_FINAL
00023 #undef Always
00024 #endif
00025 #include <qdir.h>
00026 #include <qtable.h>
00027 #include <qpair.h>
00028 #include <qtimer.h>
00029 #include <qguardedptr.h>
00030 
00031 #include <klibloader.h>
00032 #include <kaboutdata.h>
00033 #include <kstaticdeleter.h>
00034 #include <klocale.h>
00035 #include <kapplication.h>
00036 #include <kdebug.h>
00037 #include <kconfig.h>
00038 #include <kio/authinfo.h>
00039 #include <dcopclient.h>
00040 
00041 #include "kjavaappletwidget.h"
00042 #include "kjavaappletviewer.h"
00043 #include "kjavaappletserver.h"
00044 
00045 
00046 K_EXPORT_COMPONENT_FACTORY (kjavaappletviewer, KJavaAppletViewerFactory)
00047 
00048 KInstance *KJavaAppletViewerFactory::s_instance = 0;
00049 
00050 KJavaAppletViewerFactory::KJavaAppletViewerFactory () {
00051     s_instance = new KInstance ("KJavaAppletViewer");
00052 }
00053 
00054 KJavaAppletViewerFactory::~KJavaAppletViewerFactory () {
00055     delete s_instance;
00056 }
00057 
00058 KParts::Part *KJavaAppletViewerFactory::createPartObject
00059   (QWidget *wparent, const char *wname,
00060    QObject *parent, const char * name, const char *, const QStringList & args) {
00061     return new KJavaAppletViewer (wparent, wname, parent, name, args);
00062 }
00063 
00064 //-----------------------------------------------------------------------------
00065 
00066 class KJavaServerMaintainer;
00067 static KJavaServerMaintainer * serverMaintainer = 0;
00068 
00069 class KJavaServerMaintainer {
00070 public:
00071     KJavaServerMaintainer () { }
00072     ~KJavaServerMaintainer ();
00073 
00074     KJavaAppletContext * getContext (QObject*, const QString &);
00075     void releaseContext (QObject*, const QString &);
00076     void setServer (KJavaAppletServer * s);
00077 private:
00078     typedef QMap <QPair <QObject*, QString>, QPair <KJavaAppletContext*, int> >
00079             ContextMap;
00080     ContextMap m_contextmap;
00081     QGuardedPtr <KJavaAppletServer> server;
00082 };
00083 
00084 KJavaServerMaintainer::~KJavaServerMaintainer () {
00085     delete server;
00086 }
00087 
00088 KJavaAppletContext * KJavaServerMaintainer::getContext (QObject * w, const QString & doc) {
00089     ContextMap::key_type key = qMakePair (w, doc);
00090     ContextMap::iterator it = m_contextmap.find (key);
00091     if (it != m_contextmap.end ()) {
00092         ++((*it).second);
00093         return (*it).first;
00094     }
00095     KJavaAppletContext* const context = new KJavaAppletContext ();
00096     m_contextmap.insert (key, qMakePair(context, 1));
00097     return context;
00098 }
00099 
00100 void KJavaServerMaintainer::releaseContext (QObject * w, const QString & doc) {
00101     ContextMap::iterator it = m_contextmap.find (qMakePair (w, doc));
00102     if (it != m_contextmap.end () && --(*it).second <= 0) {
00103         kdDebug(6100) << "KJavaServerMaintainer::releaseContext" << endl;
00104         (*it).first->deleteLater ();
00105         m_contextmap.remove (it);
00106     }
00107 }
00108 
00109 inline void KJavaServerMaintainer::setServer (KJavaAppletServer * s) {
00110     if (!server)
00111         server = s;
00112 }
00113 
00114 static KStaticDeleter <KJavaServerMaintainer> serverMaintainerDeleter;
00115 
00116 //-----------------------------------------------------------------------------
00117 
00118 AppletParameterDialog::AppletParameterDialog (KJavaAppletWidget * parent)
00119     : KDialogBase (parent, "paramdialog", true, i18n ("Applet Parameters"),
00120                    KDialogBase::Close, KDialogBase::Close, true),
00121       m_appletWidget (parent) {
00122     KJavaApplet* const applet = parent->applet ();
00123     table = new QTable (30, 2, this);
00124     table->setMinimumSize (QSize (600, 400));
00125     table->setColumnWidth (0, 200);
00126     table->setColumnWidth (1, 340);
00127     QHeader* const header = table->horizontalHeader();
00128     header->setLabel (0, i18n ("Parameter"));
00129     header->setLabel (1, i18n ("Value"));
00130     QTableItem * tit = new QTableItem (table, QTableItem::Never, i18n("Class"));
00131     table->setItem (0, 0, tit);
00132     tit = new QTableItem(table, QTableItem::Always, applet->appletClass());
00133     table->setItem (0, 1, tit);
00134     tit = new QTableItem (table, QTableItem::Never, i18n ("Base URL"));
00135     table->setItem (1, 0, tit);
00136     tit = new QTableItem(table, QTableItem::Always, applet->baseURL());
00137     table->setItem (1, 1, tit);
00138     tit = new QTableItem (table, QTableItem::Never, i18n ("Archives"));
00139     table->setItem (2, 0, tit);
00140     tit = new QTableItem(table, QTableItem::Always, applet->archives());
00141     table->setItem (2, 1, tit);
00142     QMap<QString,QString>::const_iterator it = applet->getParams().begin();
00143     const QMap<QString,QString>::const_iterator itEnd = applet->getParams().end();
00144     for (int count = 2; it != itEnd; ++it) {
00145         tit = new QTableItem (table, QTableItem::Always, it.key ());
00146         table->setItem (++count, 0, tit);
00147         tit = new QTableItem(table, QTableItem::Always, it.data ());
00148         table->setItem (count, 1, tit);
00149     }
00150     setMainWidget (table);
00151 }
00152 
00153 void AppletParameterDialog::slotClose () {
00154     table->selectCells (0, 0, 0, 0);
00155     KJavaApplet* const applet = m_appletWidget->applet ();
00156     applet->setAppletClass (table->item (0, 1)->text ());
00157     applet->setBaseURL (table->item (1, 1)->text ());
00158     applet->setArchives (table->item (2, 1)->text ());
00159     const int lim = table->numRows();
00160     for (int i = 3; i < lim; ++i) {
00161         if (table->item (i, 0) && table->item (i, 1) && !table->item (i, 0)->text ().isEmpty ())
00162             applet->setParameter (table->item (i, 0)->text (),
00163                                   table->item (i, 1)->text ());
00164     }
00165     hide ();
00166 }
00167 //-----------------------------------------------------------------------------
00168 
00169 class CoverWidget : public QWidget {
00170     KJavaAppletWidget * m_appletwidget;
00171 public:
00172     CoverWidget (QWidget *);
00173     ~CoverWidget () {}
00174     KJavaAppletWidget * appletWidget () const;
00175 protected:
00176     void resizeEvent (QResizeEvent * e);
00177 };
00178 
00179 inline CoverWidget::CoverWidget (QWidget * parent)
00180  : QWidget (parent, "KJavaAppletViewer Widget")
00181 {
00182     m_appletwidget = new KJavaAppletWidget (this);
00183     setFocusProxy (m_appletwidget);
00184 }
00185 
00186 inline KJavaAppletWidget * CoverWidget::appletWidget () const {
00187     return m_appletwidget;
00188 }
00189 
00190 void CoverWidget::resizeEvent (QResizeEvent * e) {
00191     m_appletwidget->resize (e->size().width(), e->size().height());
00192 }
00193 
00194 //-----------------------------------------------------------------------------
00195 
00196 KJavaAppletViewer::KJavaAppletViewer (QWidget * wparent, const char *,
00197                  QObject * parent, const char * name, const QStringList & args)
00198  : KParts::ReadOnlyPart (parent, name),
00199    m_browserextension (new KJavaAppletViewerBrowserExtension (this)),
00200    m_liveconnect (new KJavaAppletViewerLiveConnectExtension (this)),
00201    m_closed (true)
00202 {
00203     if (!serverMaintainer) {
00204         serverMaintainerDeleter.setObject (serverMaintainer,
00205                                            new KJavaServerMaintainer);
00206     }
00207     m_view = new CoverWidget (wparent);
00208     QString classname, classid, codebase, khtml_codebase, src_param;
00209     int width = -1;
00210     int height = -1;
00211     KJavaApplet* const applet = m_view->appletWidget()->applet ();
00212     QStringList::const_iterator it = args.begin();
00213     const QStringList::const_iterator itEnd = args.end();
00214     for ( ; it != itEnd; ++it) {
00215         const int equalPos = (*it).find("=");
00216         if (equalPos > 0) {
00217             const QString name = (*it).left (equalPos).upper ();
00218             QString value = (*it).right ((*it).length () - equalPos - 1);
00219             if (value.at(0)=='\"')
00220                 value = value.right (value.length () - 1);
00221             if (value.at (value.length () - 1) == '\"')
00222                 value.truncate (value.length () - 1);
00223             kdDebug(6100) << "name=" << name << " value=" << value << endl;
00224             if (!name.isEmpty()) {
00225                 const QString name_lower = name.lower ();
00226                 if (name == "__KHTML__PLUGINBASEURL") {
00227                     baseurl = KURL (KURL (value), QString (".")).url ();
00228                 } else if (name == "__KHTML__CODEBASE")
00229                     khtml_codebase = value;
00230                 else if (name_lower == QString::fromLatin1("codebase") ||
00231                          name_lower == QString::fromLatin1("java_codebase")) {
00232                     if (!value.isEmpty ())
00233                         codebase = value;
00234                 } else if (name == "__KHTML__CLASSID")
00235                 //else if (name.lower()==QString::fromLatin1("classid"))
00236                     classid = value;
00237                 else if (name_lower == QString::fromLatin1("code") ||
00238                          name_lower == QString::fromLatin1("java_code"))
00239                     classname = value;
00240                 else if (name_lower == QString::fromLatin1("src"))
00241                     src_param = value;
00242                 else if (name_lower == QString::fromLatin1("archive") ||
00243                          name_lower == QString::fromLatin1("java_archive") ||
00244                          name_lower.startsWith ("cache_archive"))
00245                     applet->setArchives (value);
00246                 else if (name_lower == QString::fromLatin1("name"))
00247                     applet->setAppletName (value);
00248                 else if (name_lower == QString::fromLatin1("width"))
00249                     width = value.toInt();
00250                 else if (name_lower == QString::fromLatin1("height"))
00251                     height = value.toInt();
00252                 else {
00253                     applet->setParameter (name, value);
00254                 }
00255             }
00256         }
00257     }
00258     if (!classid.isEmpty ()) {
00259         applet->setParameter ("CLSID", classid);
00260         kdDebug(6100) << "classid=" << classid << classid.startsWith("clsid:")<< endl;
00261         if (classid.startsWith ("clsid:"))
00262             // codeBase contains the URL to the plugin page
00263             khtml_codebase = baseurl;
00264         else if (classname.isEmpty () && classid.startsWith ("java:"))
00265             classname = classid.mid(5);
00266     }
00267     if (classname.isEmpty ())
00268         classname = src_param;
00269     else if (!src_param.isEmpty ())
00270         applet->setParameter (QString ("SRC"), src_param);
00271     if (codebase.isEmpty ())
00272         codebase = khtml_codebase;
00273     if (baseurl.isEmpty ()) {
00274         // not embeded in khtml
00275         QString pwd = QDir().absPath ();
00276         if (!pwd.endsWith (QChar (QDir::separator ())))
00277             pwd += QDir::separator ();
00278         baseurl = KURL (KURL (pwd), codebase).url ();
00279     }
00280     if (width > 0 && height > 0) {
00281         m_view->resize (width, height);
00282         applet->setSize( QSize( width, height ) );
00283     }
00284     applet->setBaseURL (baseurl);
00285     // check codebase first
00286     const KURL kbaseURL( baseurl );
00287     const KURL newURL(kbaseURL, codebase);
00288     if (kapp->authorizeURLAction("redirect", KURL(baseurl), newURL))
00289         applet->setCodeBase (newURL.url());
00290     applet->setAppletClass (classname);
00291     KJavaAppletContext* const cxt = serverMaintainer->getContext (parent, baseurl);
00292     applet->setAppletContext (cxt);
00293 
00294     KJavaAppletServer* const server = cxt->getServer ();
00295 
00296     serverMaintainer->setServer (server);
00297 
00298     if (!server->usingKIO ()) {
00299         /* if this page needs authentication */
00300         KIO::AuthInfo info;
00301         QString errorMsg;
00302         QCString replyType;
00303         QByteArray params;
00304         QByteArray reply;
00305         KIO::AuthInfo authResult;
00306 
00307         //(void) dcopClient(); // Make sure to have a dcop client.
00308         info.url = baseurl;
00309         info.verifyPath = true;
00310 
00311         QDataStream stream(params, IO_WriteOnly);
00312         stream << info << m_view->topLevelWidget()->winId();
00313 
00314         if (!kapp->dcopClient ()->call( "kded", "kpasswdserver", "checkAuthInfo(KIO::AuthInfo, long int)", params, replyType, reply ) ) {
00315             kdWarning() << "Can't communicate with kded_kpasswdserver!" << endl;
00316         } else if ( replyType == "KIO::AuthInfo" ) {
00317             QDataStream stream2( reply, IO_ReadOnly );
00318             stream2 >> authResult;
00319             applet->setUser (authResult.username);
00320             applet->setPassword (authResult.password);
00321             applet->setAuthName (authResult.realmValue);
00322         }
00323     }
00324 
00325     /* install event filter for close events */
00326     if (wparent)
00327         wparent->topLevelWidget ()->installEventFilter (this);
00328 
00329     setInstance (KJavaAppletViewerFactory::instance ());
00330     KParts::Part::setWidget (m_view);
00331 
00332     connect (applet->getContext(), SIGNAL(appletLoaded()), this, SLOT(appletLoaded()));
00333     connect (applet->getContext(), SIGNAL(showDocument(const QString&, const QString&)), m_browserextension, SLOT(showDocument(const QString&, const QString&)));
00334     connect (applet->getContext(), SIGNAL(showStatus(const QString &)), this, SLOT(infoMessage(const QString &)));
00335     connect (applet, SIGNAL(jsEvent (const QStringList &)), m_liveconnect, SLOT(jsEvent (const QStringList &)));
00336 }
00337 
00338 bool KJavaAppletViewer::eventFilter (QObject *o, QEvent *e) {
00339     if (m_liveconnect->jsSessions () > 0) {
00340         switch (e->type()) {
00341             case QEvent::Destroy:
00342             case QEvent::Close:
00343             case QEvent::Quit:
00344                 return true;
00345             default:
00346                 break;
00347         }
00348     }
00349     return KParts::ReadOnlyPart::eventFilter(o,e);
00350 }
00351 
00352 KJavaAppletViewer::~KJavaAppletViewer () {
00353     m_view = 0L;
00354     serverMaintainer->releaseContext (parent(), baseurl);
00355 }
00356 
00357 bool KJavaAppletViewer::openURL (const KURL & url) {
00358     if (!m_view) return false;
00359     m_closed = false;
00360     KJavaAppletWidget* const w = m_view->appletWidget ();
00361     KJavaApplet* const applet = w->applet ();
00362     if (applet->isCreated ())
00363         applet->stop ();
00364     if (applet->appletClass ().isEmpty ()) {
00365         // preview without setting a class?
00366         if (applet->baseURL ().isEmpty ()) {
00367             applet->setAppletClass (url.fileName ());
00368             applet->setBaseURL (url.upURL ().url ());
00369         } else
00370             applet->setAppletClass (url.url ());
00371         AppletParameterDialog (w).exec ();
00372         applet->setSize (w->sizeHint());
00373     }
00374     // delay showApplet if size is unknown and m_view not shown
00375     if (applet->size().width() > 0 || m_view->isVisible())
00376         w->showApplet ();
00377     else
00378         QTimer::singleShot (10, this, SLOT (delayedCreateTimeOut ()));
00379     if (!applet->failed ())
00380         emit started (0L);
00381     return url.isValid ();
00382 }
00383 
00384 bool KJavaAppletViewer::closeURL () {
00385     kdDebug(6100) << "closeURL" << endl;
00386     m_closed = true;
00387     KJavaApplet* const applet = m_view->appletWidget ()->applet ();
00388     if (applet->isCreated ())
00389         applet->stop ();
00390     applet->getContext()->getServer()->endWaitForReturnData();
00391     return true;
00392 }
00393 
00394 bool KJavaAppletViewer::appletAlive () const {
00395     return !m_closed && m_view &&
00396            m_view->appletWidget ()->applet () &&
00397            m_view->appletWidget ()->applet ()->isAlive ();
00398 }
00399 
00400 bool KJavaAppletViewer::openFile () {
00401     return false;
00402 }
00403 
00404 void KJavaAppletViewer::delayedCreateTimeOut () {
00405     KJavaAppletWidget* const w = m_view->appletWidget ();
00406     if (!w->applet ()->isCreated () && !m_closed)
00407         w->showApplet ();
00408 }
00409 
00410 void KJavaAppletViewer::appletLoaded () {
00411     if (!m_view) return;
00412     KJavaApplet* const applet = m_view->appletWidget ()->applet ();
00413     if (applet->isAlive() || applet->failed())
00414         emit completed();
00415 }
00416 
00417 void KJavaAppletViewer::infoMessage (const QString & msg) {
00418     m_browserextension->infoMessage(msg);
00419 }
00420 
00421 KAboutData* KJavaAppletViewer::createAboutData () {
00422     return new KAboutData("KJavaAppletViewer", I18N_NOOP("KDE Java Applet Plugin"), "1.0");
00423 }
00424 
00425 //---------------------------------------------------------------------
00426 
00427 KJavaAppletViewerBrowserExtension::KJavaAppletViewerBrowserExtension (KJavaAppletViewer * parent)
00428   : KParts::BrowserExtension (parent, "KJavaAppletViewer Browser Extension") {
00429 }
00430 
00431 void KJavaAppletViewerBrowserExtension::urlChanged (const QString & url) {
00432     emit setLocationBarURL (url);
00433 }
00434 
00435 void KJavaAppletViewerBrowserExtension::setLoadingProgress (int percentage) {
00436     emit loadingProgress (percentage);
00437 }
00438 
00439 void KJavaAppletViewerBrowserExtension::setURLArgs (const KParts::URLArgs & /*args*/) {
00440 }
00441 
00442 void KJavaAppletViewerBrowserExtension::saveState (QDataStream & stream) {
00443     KJavaApplet* const applet = static_cast<KJavaAppletViewer*>(parent())->view()->appletWidget ()->applet ();
00444     stream << applet->appletClass();
00445     stream << applet->baseURL();
00446     stream << applet->archives();
00447     stream << applet->getParams().size ();
00448     QMap<QString,QString>::const_iterator it = applet->getParams().begin();
00449     const QMap<QString,QString>::const_iterator itEnd = applet->getParams().end();
00450     for ( ; it != itEnd; ++it) {
00451         stream << it.key ();
00452         stream << it.data ();
00453     }
00454 }
00455 
00456 void KJavaAppletViewerBrowserExtension::restoreState (QDataStream & stream) {
00457     KJavaAppletWidget* const w = static_cast<KJavaAppletViewer*>(parent())->view()->appletWidget();
00458     KJavaApplet* const applet = w->applet ();
00459     QString key, val;
00460     int paramcount;
00461     stream >> val;
00462     applet->setAppletClass (val);
00463     stream >> val;
00464     applet->setBaseURL (val);
00465     stream >> val;
00466     applet->setArchives (val);
00467     stream >> paramcount;
00468     for (int i = 0; i < paramcount; ++i) {
00469         stream >> key;
00470         stream >> val;
00471         applet->setParameter (key, val);
00472         kdDebug(6100) << "restoreState key:" << key << " val:" << val << endl;
00473     }
00474     applet->setSize (w->sizeHint ());
00475     if (w->isVisible())
00476         w->showApplet ();
00477 }
00478 
00479 void KJavaAppletViewerBrowserExtension::showDocument (const QString & doc,
00480                                                       const QString & frame) {
00481     const KURL url (doc);
00482     KParts::URLArgs args;
00483     args.frameName = frame;
00484     emit openURLRequest (url, args);
00485 }
00486 
00487 //-----------------------------------------------------------------------------
00488 
00489 KJavaAppletViewerLiveConnectExtension::KJavaAppletViewerLiveConnectExtension(KJavaAppletViewer * parent)
00490     : KParts::LiveConnectExtension (parent, "KJavaAppletViewer LiveConnect Extension"), m_viewer (parent) {
00491 }
00492 
00493 bool KJavaAppletViewerLiveConnectExtension::get (
00494         const unsigned long objid, const QString & name,
00495         KParts::LiveConnectExtension::Type & type,
00496         unsigned long & rid, QString & value)
00497 {
00498     if (!m_viewer->appletAlive ())
00499         return false;
00500     QStringList args, ret_args;
00501     KJavaApplet* const applet = m_viewer->view ()->appletWidget ()->applet ();
00502     args.append (QString::number (applet->appletId ()));
00503     args.append (QString::number ((int) objid));
00504     args.append (name);
00505     m_jssessions++;
00506     const bool ret = applet->getContext()->getMember (args, ret_args);
00507     m_jssessions--;
00508     if (!ret || ret_args.count() != 3) return false;
00509     bool ok;
00510     int itype = ret_args[0].toInt (&ok);
00511     if (!ok || itype < 0) return false;
00512     type = (KParts::LiveConnectExtension::Type) itype;
00513     rid = ret_args[1].toInt (&ok);
00514     if (!ok) return false;
00515     value = ret_args[2];
00516     return true;
00517 }
00518 
00519 bool KJavaAppletViewerLiveConnectExtension::put(const unsigned long objid, const QString & name, const QString & value)
00520 {
00521     if (!m_viewer->appletAlive ())
00522         return false;
00523     QStringList args;
00524     KJavaApplet* const applet = m_viewer->view ()->appletWidget ()->applet ();
00525     args.append (QString::number (applet->appletId ()));
00526     args.append (QString::number ((int) objid));
00527     args.append (name);
00528     args.append (value);
00529     ++m_jssessions;
00530     const bool ret = applet->getContext()->putMember (args);
00531     --m_jssessions;
00532     return ret;
00533 }
00534 
00535 bool KJavaAppletViewerLiveConnectExtension::call( const unsigned long objid, const QString & func, const QStringList & fargs, KParts::LiveConnectExtension::Type & type, unsigned long & retobjid, QString & value )
00536 {
00537     if (!m_viewer->appletAlive ())
00538         return false;
00539     KJavaApplet* const applet = m_viewer->view ()->appletWidget ()->applet ();
00540     QStringList args, ret_args;
00541     args.append (QString::number (applet->appletId ()));
00542     args.append (QString::number ((int) objid));
00543     args.append (func);
00544     {
00545         QStringList::const_iterator it = fargs.begin();
00546         const QStringList::const_iterator itEnd = fargs.end();
00547     for ( ; it != itEnd; ++it)
00548             args.append(*it);
00549     }
00550 
00551     ++m_jssessions;
00552     const bool ret = applet->getContext()->callMember (args, ret_args);
00553     --m_jssessions;
00554     if (!ret || ret_args.count () != 3) return false;
00555     bool ok;
00556     const int itype = ret_args[0].toInt (&ok);
00557     if (!ok || itype < 0) return false;
00558     type = (KParts::LiveConnectExtension::Type) itype;
00559     retobjid = ret_args[1].toInt (&ok);
00560     if (!ok) return false;
00561     value = ret_args[2];
00562     return true;
00563 }
00564 
00565 void KJavaAppletViewerLiveConnectExtension::unregister(const unsigned long objid)
00566 {
00567     if (!m_viewer->view () || !m_viewer->view ())
00568         return;
00569     KJavaApplet* const applet = m_viewer->view ()->appletWidget ()->applet ();
00570     if (!applet || objid == 0) {
00571         // typically a gc after a function call on the applet,
00572         // no need to send to the jvm
00573         return;
00574     }
00575     QStringList args;
00576     args.append (QString::number (applet->appletId ()));
00577     args.append (QString::number ((int) objid));
00578     applet->getContext()->derefObject (args);
00579 }
00580 
00581 void KJavaAppletViewerLiveConnectExtension::jsEvent (const QStringList & args) {
00582     if (args.count () < 2 || !m_viewer->appletAlive ())
00583         return;
00584     bool ok;
00585     QStringList::ConstIterator it = args.begin();
00586     const QStringList::ConstIterator itEnd = args.end();
00587     const unsigned long objid = (*it).toInt(&ok);
00588     ++it;
00589     const QString event = (*it);
00590     ++it;
00591     KParts::LiveConnectExtension::ArgList arglist;
00592 
00593     for (; it != itEnd; ++it) {
00594         // take a deep breath here
00595         const QStringList::ConstIterator prev = it++;
00596     arglist.push_back(KParts::LiveConnectExtension::ArgList::value_type((KParts::LiveConnectExtension::Type) (*prev).toInt(), (*it)));
00597     }
00598     emit partEvent (objid, event, arglist);
00599 }
00600 
00601 int KJavaAppletViewerLiveConnectExtension::m_jssessions = 0;
00602 
00603 //-----------------------------------------------------------------------------
00604 
00605 #include "kjavaappletviewer.moc"
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