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tdelibs/khtml/java/kjavaappletviewer.cpp

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/* This file is part of the KDE project
*
* Copyright (C) 2003 Koos Vriezen <koos.vriezen@xs4all.nl>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include <stdio.h>
#ifdef KDE_USE_FINAL
#undef Always
#endif
#include <tqdir.h>
#include <tqtable.h>
#include <tqpair.h>
#include <tqtimer.h>
#include <tqguardedptr.h>
#include <tqlabel.h>
#include <klibloader.h>
#include <kaboutdata.h>
#include <kstaticdeleter.h>
#include <klocale.h>
#include <kstatusbar.h>
#include <kiconloader.h>
#include <kapplication.h>
#include <kdebug.h>
#include <kconfig.h>
#include <kio/authinfo.h>
#include <dcopclient.h>
#include "kjavaappletwidget.h"
#include "kjavaappletviewer.h"
#include "kjavaappletserver.h"
K_EXPORT_COMPONENT_FACTORY (kjavaappletviewer, KJavaAppletViewerFactory)
TDEInstance *KJavaAppletViewerFactory::s_instance = 0;
KJavaAppletViewerFactory::KJavaAppletViewerFactory () {
s_instance = new TDEInstance ("kjava");
}
KJavaAppletViewerFactory::~KJavaAppletViewerFactory () {
delete s_instance;
}
KParts::Part *KJavaAppletViewerFactory::createPartObject
(TQWidget *wparent, const char *wname,
TQObject *parent, const char * name, const char *, const TQStringList & args) {
return new KJavaAppletViewer (wparent, wname, parent, name, args);
}
//-----------------------------------------------------------------------------
class KJavaServerMaintainer;
static KJavaServerMaintainer * serverMaintainer = 0;
class KJavaServerMaintainer {
public:
KJavaServerMaintainer () { }
~KJavaServerMaintainer ();
KJavaAppletContext * getContext (TQObject*, const TQString &);
void releaseContext (TQObject*, const TQString &);
void setServer (KJavaAppletServer * s);
TQGuardedPtr <KJavaAppletServer> server;
private:
typedef TQMap <QPair <TQObject*, TQString>, QPair <KJavaAppletContext*, int> >
ContextMap;
ContextMap m_contextmap;
};
KJavaServerMaintainer::~KJavaServerMaintainer () {
delete server;
}
KJavaAppletContext * KJavaServerMaintainer::getContext (TQObject * w, const TQString & doc) {
ContextMap::key_type key = qMakePair (w, doc);
ContextMap::iterator it = m_contextmap.find (key);
if (it != m_contextmap.end ()) {
++((*it).second);
return (*it).first;
}
KJavaAppletContext* const context = new KJavaAppletContext ();
m_contextmap.insert (key, qMakePair(context, 1));
return context;
}
void KJavaServerMaintainer::releaseContext (TQObject * w, const TQString & doc) {
ContextMap::iterator it = m_contextmap.find (qMakePair (w, doc));
if (it != m_contextmap.end () && --(*it).second <= 0) {
kdDebug(6100) << "KJavaServerMaintainer::releaseContext" << endl;
(*it).first->deleteLater ();
m_contextmap.remove (it);
}
}
inline void KJavaServerMaintainer::setServer (KJavaAppletServer * s) {
if (!server)
server = s;
}
static KStaticDeleter <KJavaServerMaintainer> serverMaintainerDeleter;
//-----------------------------------------------------------------------------
AppletParameterDialog::AppletParameterDialog (KJavaAppletWidget * parent)
: KDialogBase (parent, "paramdialog", true, i18n ("Applet Parameters"),
KDialogBase::Close, KDialogBase::Close, true),
m_appletWidget (parent) {
KJavaApplet* const applet = parent->applet ();
table = new TQTable (30, 2, this);
table->setMinimumSize (TQSize (600, 400));
table->setColumnWidth (0, 200);
table->setColumnWidth (1, 340);
TQHeader* const header = table->horizontalHeader();
header->setLabel (0, i18n ("Parameter"));
header->setLabel (1, i18n ("Value"));
TQTableItem * tit = new TQTableItem (table, TQTableItem::Never, i18n("Class"));
table->setItem (0, 0, tit);
tit = new TQTableItem(table, TQTableItem::Always, applet->appletClass());
table->setItem (0, 1, tit);
tit = new TQTableItem (table, TQTableItem::Never, i18n ("Base URL"));
table->setItem (1, 0, tit);
tit = new TQTableItem(table, TQTableItem::Always, applet->baseURL());
table->setItem (1, 1, tit);
tit = new TQTableItem (table, TQTableItem::Never, i18n ("Archives"));
table->setItem (2, 0, tit);
tit = new TQTableItem(table, TQTableItem::Always, applet->archives());
table->setItem (2, 1, tit);
TQMap<TQString,TQString>::const_iterator it = applet->getParams().begin();
const TQMap<TQString,TQString>::const_iterator itEnd = applet->getParams().end();
for (int count = 2; it != itEnd; ++it) {
tit = new TQTableItem (table, TQTableItem::Always, it.key ());
table->setItem (++count, 0, tit);
tit = new TQTableItem(table, TQTableItem::Always, it.data ());
table->setItem (count, 1, tit);
}
setMainWidget (table);
}
void AppletParameterDialog::slotClose () {
table->selectCells (0, 0, 0, 0);
KJavaApplet* const applet = m_appletWidget->applet ();
applet->setAppletClass (table->item (0, 1)->text ());
applet->setBaseURL (table->item (1, 1)->text ());
applet->setArchives (table->item (2, 1)->text ());
const int lim = table->numRows();
for (int i = 3; i < lim; ++i) {
if (table->item (i, 0) && table->item (i, 1) && !table->item (i, 0)->text ().isEmpty ())
applet->setParameter (table->item (i, 0)->text (),
table->item (i, 1)->text ());
}
hide ();
}
//-----------------------------------------------------------------------------
class CoverWidget : public TQWidget {
KJavaAppletWidget * m_appletwidget;
public:
CoverWidget (TQWidget *);
~CoverWidget () {}
KJavaAppletWidget * appletWidget () const;
protected:
void resizeEvent (TQResizeEvent * e);
};
inline CoverWidget::CoverWidget (TQWidget * parent)
: TQWidget (parent, "KJavaAppletViewer Widget")
{
m_appletwidget = new KJavaAppletWidget (this);
setFocusProxy (m_appletwidget);
}
inline KJavaAppletWidget * CoverWidget::appletWidget () const {
return m_appletwidget;
}
void CoverWidget::resizeEvent (TQResizeEvent * e) {
m_appletwidget->resize (e->size().width(), e->size().height());
}
//-----------------------------------------------------------------------------
class StatusBarIcon : public TQLabel {
public:
StatusBarIcon (TQWidget * parent) : TQLabel (parent) {
setPixmap (SmallIcon (TQString ("java"), KJavaAppletViewerFactory::instance ()));
}
protected:
void mousePressEvent (TQMouseEvent *) {
serverMaintainer->server->showConsole ();
}
};
//-----------------------------------------------------------------------------
KJavaAppletViewer::KJavaAppletViewer (TQWidget * wparent, const char *,
TQObject * parent, const char * name, const TQStringList & args)
: KParts::ReadOnlyPart (parent, name),
m_browserextension (new KJavaAppletViewerBrowserExtension (this)),
m_liveconnect (new KJavaAppletViewerLiveConnectExtension (this)),
m_statusbar (new KParts::StatusBarExtension (this)),
m_statusbar_icon (0L),
m_closed (true)
{
if (!serverMaintainer) {
serverMaintainerDeleter.setObject (serverMaintainer,
new KJavaServerMaintainer);
}
m_view = new CoverWidget (wparent);
TQString classname, classid, codebase, khtml_codebase, src_param;
int width = -1;
int height = -1;
KJavaApplet* const applet = m_view->appletWidget()->applet ();
TQStringList::const_iterator it = args.begin();
const TQStringList::const_iterator itEnd = args.end();
for ( ; it != itEnd; ++it) {
const int equalPos = (*it).find("=");
if (equalPos > 0) {
const TQString name = (*it).left (equalPos).upper ();
TQString value = (*it).right ((*it).length () - equalPos - 1);
if (value.at(0)=='\"')
value = value.right (value.length () - 1);
if (value.at (value.length () - 1) == '\"')
value.truncate (value.length () - 1);
kdDebug(6100) << "name=" << name << " value=" << value << endl;
if (!name.isEmpty()) {
const TQString name_lower = name.lower ();
if (name == "__KHTML__PLUGINBASEURL") {
baseurl = KURL (KURL (value), TQString (".")).url ();
} else if (name == "__KHTML__CODEBASE")
khtml_codebase = value;
else if (name_lower == TQString::fromLatin1("codebase") ||
name_lower == TQString::fromLatin1("java_codebase")) {
if (!value.isEmpty ())
codebase = value;
} else if (name == "__KHTML__CLASSID")
//else if (name.lower()==TQString::fromLatin1("classid"))
classid = value;
else if (name_lower == TQString::fromLatin1("code") ||
name_lower == TQString::fromLatin1("java_code"))
classname = value;
else if (name_lower == TQString::fromLatin1("src"))
src_param = value;
else if (name_lower == TQString::fromLatin1("archive") ||
name_lower == TQString::fromLatin1("java_archive") ||
name_lower.startsWith ("cache_archive"))
applet->setArchives (value);
else if (name_lower == TQString::fromLatin1("name"))
applet->setAppletName (value);
else if (name_lower == TQString::fromLatin1("width"))
width = value.toInt();
else if (name_lower == TQString::fromLatin1("height"))
height = value.toInt();
if (!name.startsWith ("__KHTML__")) {
applet->setParameter (name, value);
}
}
}
}
if (!classid.isEmpty ()) {
applet->setParameter ("CLSID", classid);
kdDebug(6100) << "classid=" << classid << classid.startsWith("clsid:")<< endl;
if (classid.startsWith ("clsid:"))
// codeBase contains the URL to the plugin page
khtml_codebase = baseurl;
else if (classname.isEmpty () && classid.startsWith ("java:"))
classname = classid.mid(5);
}
if (classname.isEmpty ())
classname = src_param;
else if (!src_param.isEmpty ())
applet->setParameter (TQString ("SRC"), src_param);
if (codebase.isEmpty ())
codebase = khtml_codebase;
if (baseurl.isEmpty ()) {
// not embeded in khtml
TQString pwd = TQDir().absPath ();
if (!pwd.endsWith (TQChar (TQDir::separator ())))
pwd += TQDir::separator ();
baseurl = KURL (KURL (pwd), codebase).url ();
}
if (width > 0 && height > 0) {
m_view->resize (width, height);
applet->setSize( TQSize( width, height ) );
}
applet->setBaseURL (baseurl);
// check codebase first
const KURL kbaseURL( baseurl );
const KURL newURL(kbaseURL, codebase);
if (kapp->authorizeURLAction("redirect", KURL(baseurl), newURL))
applet->setCodeBase (newURL.url());
applet->setAppletClass (classname);
KJavaAppletContext* const cxt = serverMaintainer->getContext (parent, baseurl);
applet->setAppletContext (cxt);
KJavaAppletServer* const server = cxt->getServer ();
serverMaintainer->setServer (server);
if (!server->usingKIO ()) {
/* if this page needs authentication */
KIO::AuthInfo info;
TQString errorMsg;
TQCString replyType;
TQByteArray params;
TQByteArray reply;
KIO::AuthInfo authResult;
//(void) dcopClient(); // Make sure to have a dcop client.
info.url = baseurl;
info.verifyPath = true;
TQDataStream stream(params, IO_WriteOnly);
stream << info << m_view->topLevelWidget()->winId();
if (!kapp->dcopClient ()->call( "kded", "kpasswdserver", "checkAuthInfo(KIO::AuthInfo, long int)", params, replyType, reply ) ) {
kdWarning() << "Can't communicate with kded_kpasswdserver!" << endl;
} else if ( replyType == "KIO::AuthInfo" ) {
TQDataStream stream2( reply, IO_ReadOnly );
stream2 >> authResult;
applet->setUser (authResult.username);
applet->setPassword (authResult.password);
applet->setAuthName (authResult.realmValue);
}
}
/* install event filter for close events */
if (wparent)
wparent->topLevelWidget ()->installEventFilter (this);
setInstance (KJavaAppletViewerFactory::instance ());
KParts::Part::setWidget (m_view);
connect (applet->getContext(), TQT_SIGNAL(appletLoaded()), this, TQT_SLOT(appletLoaded()));
connect (applet->getContext(), TQT_SIGNAL(showDocument(const TQString&, const TQString&)), m_browserextension, TQT_SLOT(showDocument(const TQString&, const TQString&)));
connect (applet->getContext(), TQT_SIGNAL(showStatus(const TQString &)), this, TQT_SLOT(infoMessage(const TQString &)));
connect (applet, TQT_SIGNAL(jsEvent (const TQStringList &)), m_liveconnect, TQT_SLOT(jsEvent (const TQStringList &)));
}
bool KJavaAppletViewer::eventFilter (TQObject *o, TQEvent *e) {
if (m_liveconnect->jsSessions () > 0) {
switch (e->type()) {
case TQEvent::Destroy:
case TQEvent::Close:
case TQEvent::Quit:
return true;
default:
break;
}
}
return KParts::ReadOnlyPart::eventFilter(o,e);
}
KJavaAppletViewer::~KJavaAppletViewer () {
m_view = 0L;
serverMaintainer->releaseContext (TQT_TQOBJECT(parent()), baseurl);
if (m_statusbar_icon) {
m_statusbar->removeStatusBarItem (m_statusbar_icon);
delete m_statusbar_icon;
}
}
bool KJavaAppletViewer::openURL (const KURL & url) {
if (!m_view) return false;
m_closed = false;
KJavaAppletWidget* const w = m_view->appletWidget ();
KJavaApplet* const applet = w->applet ();
if (applet->isCreated ())
applet->stop ();
if (applet->appletClass ().isEmpty ()) {
// preview without setting a class?
if (applet->baseURL ().isEmpty ()) {
applet->setAppletClass (url.fileName ());
applet->setBaseURL (url.upURL ().url ());
} else
applet->setAppletClass (url.url ());
AppletParameterDialog (w).exec ();
applet->setSize (w->sizeHint());
}
if (!m_statusbar_icon) {
KStatusBar *sb = m_statusbar->statusBar();
if (sb) {
m_statusbar_icon = new StatusBarIcon (sb);
m_statusbar->addStatusBarItem (m_statusbar_icon, 0, false);
}
}
// delay showApplet if size is unknown and m_view not shown
if (applet->size().width() > 0 || m_view->isVisible())
w->showApplet ();
else
TQTimer::singleShot (10, this, TQT_SLOT (delayedCreateTimeOut ()));
if (!applet->failed ())
emit started (0L);
return url.isValid ();
}
bool KJavaAppletViewer::closeURL () {
kdDebug(6100) << "closeURL" << endl;
m_closed = true;
KJavaApplet* const applet = m_view->appletWidget ()->applet ();
if (applet->isCreated ())
applet->stop ();
applet->getContext()->getServer()->endWaitForReturnData();
return true;
}
bool KJavaAppletViewer::appletAlive () const {
return !m_closed && m_view &&
m_view->appletWidget ()->applet () &&
m_view->appletWidget ()->applet ()->isAlive ();
}
bool KJavaAppletViewer::openFile () {
return false;
}
void KJavaAppletViewer::delayedCreateTimeOut () {
KJavaAppletWidget* const w = m_view->appletWidget ();
if (!w->applet ()->isCreated () && !m_closed)
w->showApplet ();
}
void KJavaAppletViewer::appletLoaded () {
if (!m_view) return;
KJavaApplet* const applet = m_view->appletWidget ()->applet ();
if (applet->isAlive() || applet->failed())
emit completed();
}
void KJavaAppletViewer::infoMessage (const TQString & msg) {
m_browserextension->infoMessage(msg);
}
TDEAboutData* KJavaAppletViewer::createAboutData () {
return new TDEAboutData("KJavaAppletViewer", I18N_NOOP("TDE Java Applet Plugin"), "1.0");
}
//---------------------------------------------------------------------
KJavaAppletViewerBrowserExtension::KJavaAppletViewerBrowserExtension (KJavaAppletViewer * parent)
: KParts::BrowserExtension (parent, "KJavaAppletViewer Browser Extension") {
}
void KJavaAppletViewerBrowserExtension::urlChanged (const TQString & url) {
emit setLocationBarURL (url);
}
void KJavaAppletViewerBrowserExtension::setLoadingProgress (int percentage) {
emit loadingProgress (percentage);
}
void KJavaAppletViewerBrowserExtension::setURLArgs (const KParts::URLArgs & /*args*/) {
}
void KJavaAppletViewerBrowserExtension::saveState (TQDataStream & stream) {
KJavaApplet* const applet = static_cast<KJavaAppletViewer*>(parent())->view()->appletWidget ()->applet ();
stream << applet->appletClass();
stream << applet->baseURL();
stream << applet->archives();
stream << applet->getParams().size ();
TQMap<TQString,TQString>::const_iterator it = applet->getParams().begin();
const TQMap<TQString,TQString>::const_iterator itEnd = applet->getParams().end();
for ( ; it != itEnd; ++it) {
stream << it.key ();
stream << it.data ();
}
}
void KJavaAppletViewerBrowserExtension::restoreState (TQDataStream & stream) {
KJavaAppletWidget* const w = static_cast<KJavaAppletViewer*>(parent())->view()->appletWidget();
KJavaApplet* const applet = w->applet ();
TQString key, val;
int paramcount;
stream >> val;
applet->setAppletClass (val);
stream >> val;
applet->setBaseURL (val);
stream >> val;
applet->setArchives (val);
stream >> paramcount;
for (int i = 0; i < paramcount; ++i) {
stream >> key;
stream >> val;
applet->setParameter (key, val);
kdDebug(6100) << "restoreState key:" << key << " val:" << val << endl;
}
applet->setSize (w->sizeHint ());
if (w->isVisible())
w->showApplet ();
}
void KJavaAppletViewerBrowserExtension::showDocument (const TQString & doc,
const TQString & frame) {
const KURL url (doc);
KParts::URLArgs args;
args.frameName = frame;
emit openURLRequest (url, args);
}
//-----------------------------------------------------------------------------
KJavaAppletViewerLiveConnectExtension::KJavaAppletViewerLiveConnectExtension(KJavaAppletViewer * parent)
: KParts::LiveConnectExtension (parent, "KJavaAppletViewer LiveConnect Extension"), m_viewer (parent) {
}
bool KJavaAppletViewerLiveConnectExtension::get (
const unsigned long objid, const TQString & name,
KParts::LiveConnectExtension::Type & type,
unsigned long & rid, TQString & value)
{
if (!m_viewer->appletAlive ())
return false;
TQStringList args, ret_args;
KJavaApplet* const applet = m_viewer->view ()->appletWidget ()->applet ();
args.append (TQString::number (applet->appletId ()));
args.append (TQString::number ((int) objid));
args.append (name);
m_jssessions++;
const bool ret = applet->getContext()->getMember (args, ret_args);
m_jssessions--;
if (!ret || ret_args.count() != 3) return false;
bool ok;
int itype = ret_args[0].toInt (&ok);
if (!ok || itype < 0) return false;
type = (KParts::LiveConnectExtension::Type) itype;
rid = ret_args[1].toInt (&ok);
if (!ok) return false;
value = ret_args[2];
return true;
}
bool KJavaAppletViewerLiveConnectExtension::put(const unsigned long objid, const TQString & name, const TQString & value)
{
if (!m_viewer->appletAlive ())
return false;
TQStringList args;
KJavaApplet* const applet = m_viewer->view ()->appletWidget ()->applet ();
args.append (TQString::number (applet->appletId ()));
args.append (TQString::number ((int) objid));
args.append (name);
args.append (value);
++m_jssessions;
const bool ret = applet->getContext()->putMember (args);
--m_jssessions;
return ret;
}
bool KJavaAppletViewerLiveConnectExtension::call( const unsigned long objid, const TQString & func, const TQStringList & fargs, KParts::LiveConnectExtension::Type & type, unsigned long & retobjid, TQString & value )
{
if (!m_viewer->appletAlive ())
return false;
KJavaApplet* const applet = m_viewer->view ()->appletWidget ()->applet ();
TQStringList args, ret_args;
args.append (TQString::number (applet->appletId ()));
args.append (TQString::number ((int) objid));
args.append (func);
args.append (TQString::number ((int) fargs.size ()));
{
TQStringList::const_iterator it = fargs.begin();
const TQStringList::const_iterator itEnd = fargs.end();
for ( ; it != itEnd; ++it)
args.append(*it);
}
++m_jssessions;
const bool ret = applet->getContext()->callMember (args, ret_args);
--m_jssessions;
if (!ret || ret_args.count () != 3) return false;
bool ok;
const int itype = ret_args[0].toInt (&ok);
if (!ok || itype < 0) return false;
type = (KParts::LiveConnectExtension::Type) itype;
retobjid = ret_args[1].toInt (&ok);
if (!ok) return false;
value = ret_args[2];
return true;
}
void KJavaAppletViewerLiveConnectExtension::unregister(const unsigned long objid)
{
if (!m_viewer->view () || !m_viewer->view ())
return;
KJavaApplet* const applet = m_viewer->view ()->appletWidget ()->applet ();
if (!applet || objid == 0) {
// typically a gc after a function call on the applet,
// no need to send to the jvm
return;
}
TQStringList args;
args.append (TQString::number (applet->appletId ()));
args.append (TQString::number ((int) objid));
applet->getContext()->derefObject (args);
}
void KJavaAppletViewerLiveConnectExtension::jsEvent (const TQStringList & args) {
if (args.count () < 2 || !m_viewer->appletAlive ())
return;
bool ok;
TQStringList::ConstIterator it = args.begin();
const TQStringList::ConstIterator itEnd = args.end();
const unsigned long objid = (*it).toInt(&ok);
++it;
const TQString event = (*it);
++it;
KParts::LiveConnectExtension::ArgList arglist;
for (; it != itEnd; ++it) {
// take a deep breath here
const TQStringList::ConstIterator prev = it++;
arglist.push_back(KParts::LiveConnectExtension::ArgList::value_type((KParts::LiveConnectExtension::Type) (*prev).toInt(), (*it)));
}
emit partEvent (objid, event, arglist);
}
int KJavaAppletViewerLiveConnectExtension::m_jssessions = 0;
//-----------------------------------------------------------------------------
#include "kjavaappletviewer.moc"
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