khtml/java/kjavaappletcontext.cpp

   1 /* This file is part of the KDE project
   2  *
   3  * Copyright (C) 2000 Richard Moore <rich@kde.org>
   4  *               2000 Wynn Wilkes <wynnw@caldera.com>
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Library General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Library General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Library General Public License
  17  * along with this library; see the file COPYING.LIB.  If not, write to
  18  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  19  * Boston, MA 02110-1301, USA.
  20  */
  21
  22 #include "kjavaappletcontext.h"
  23 #include "kjavaappletserver.h"
  24 #include "kjavaprocess.h"
  25 #include "kjavaapplet.h"
  26 #include <klocale.h>
  27 #include <kmessagebox.h>
  28 #include <kdebug.h>
  29 #include <QtCore/QMap>
  30 #include <QtCore/QPointer>
  31 #include <QtCore/QStringList>
  32 #include <QtCore/QRegExp>
  33
  34 // This file was using 6002, but kdebug.areas didn't know about that number
  35 #define DEBUGAREA 6100
  36
  37 typedef QMap< int, QPointer<KJavaApplet> > AppletMap;
  38
  39 // For future expansion
  40 class KJavaAppletContextPrivate
  41 {
  42 friend class KJavaAppletContext;
  43 private:
  44     AppletMap applets;
  45 };
  46
  47 //  Static Factory Functions
  48 int KJavaAppletContext::contextCount = 0;
  49
  50 /*  Class Implementation
  51  */
  52 KJavaAppletContext::KJavaAppletContext()
  53     : QObject(),
  54         d(new KJavaAppletContextPrivate)
  55 {
  56     server = KJavaAppletServer::allocateJavaServer();
  57     connect(server->javaProcess(), SIGNAL(exited(int)), this, SLOT(javaProcessExited(int)));
  58
  59     id = contextCount;
  60     server->createContext( id, this );
  61
  62     ++contextCount;
  63 }
  64
  65 KJavaAppletContext::~KJavaAppletContext()
  66 {
  67     server->destroyContext( id );
  68     KJavaAppletServer::freeJavaServer();
  69     delete d;
  70 }
  71
  72 int KJavaAppletContext::contextId()
  73 {
  74     return id;
  75 }
  76
  77 void KJavaAppletContext::setContextId( int _id )
  78 {
  79     id = _id;
  80 }
  81
  82 void KJavaAppletContext::registerApplet( KJavaApplet* applet )
  83 {
  84     static int appletId = 0;
  85
  86     applet->setAppletId( ++appletId );
  87     d->applets.insert( appletId, applet );
  88 }
  89
  90 bool KJavaAppletContext::create( KJavaApplet* applet )
  91 {
  92     return server->createApplet( id, applet->appletId(),
  93                                 applet->appletName(),
  94                                 applet->appletClass(),
  95                                 applet->baseURL(),
  96                                 applet->user(),
  97                                 applet->password(),
  98                                 applet->authName(),
  99                                 applet->codeBase(),
 100                                 applet->archives(),
 101                                 applet->size(),
 102                                 applet->getParams(),
 103                                 applet->getWindowName() );
 104
 105
 106 }
 107
 108 void KJavaAppletContext::destroy( KJavaApplet* applet )
 109 {
 110     const int appletId = applet->appletId();
 111     d->applets.remove( appletId );
 112
 113     server->destroyApplet( id, appletId );
 114 }
 115
 116 void KJavaAppletContext::init( KJavaApplet* applet )
 117 {
 118     server->initApplet( id, applet->appletId() );
 119 }
 120
 121 void KJavaAppletContext::start( KJavaApplet* applet )
 122 {
 123     server->startApplet( id, applet->appletId() );
 124 }
 125
 126 void KJavaAppletContext::stop( KJavaApplet* applet )
 127 {
 128     server->stopApplet( id, applet->appletId() );
 129 }
 130
 131 void KJavaAppletContext::processCmd( QString cmd, QStringList args )
 132 {
 133     received( cmd, args );
 134 }
 135
 136 void KJavaAppletContext::received( const QString& cmd, const QStringList& arg )
 137 {
 138     kDebug(6100) << "KJavaAppletContext::received, cmd = >>" << cmd << "<<";
 139     kDebug(6100) << "arg count = " << arg.count();
 140
 141     if ( cmd == QLatin1String("showstatus")
 142          && !arg.empty() )
 143     {
 144         QString tmp = arg.first();
 145         tmp.remove(QRegExp("[\n\r]"));
 146         kDebug(6100) << "status message = " << tmp;
 147         emit showStatus( tmp );
 148     }
 149     else if ( cmd == QLatin1String( "showurlinframe" )
 150               && arg.count() > 1 )
 151     {
 152         kDebug(6100) << "url = " << arg[0] << ", frame = " << arg[1];
 153         emit showDocument( arg[0], arg[1] );
 154     }
 155     else if ( cmd == QLatin1String( "showdocument" )
 156               && !arg.empty() )
 157     {
 158         kDebug(6100) << "url = " << arg.first();
 159         emit showDocument( arg.first(), "_top" );
 160     }
 161     else if ( cmd == QLatin1String( "resizeapplet" )
 162               && arg.count() > 2 )
 163     {
 164         //arg[1] should be appletID
 165         //arg[2] should be new width
 166         //arg[3] should be new height
 167         bool ok;
 168         const int appletID = arg[0].toInt( &ok );
 169         const int width = arg[1].toInt( &ok );
 170         const int height = arg[2].toInt( &ok );
 171
 172         if( !ok )
 173         {
 174             kError(DEBUGAREA) << "could not parse out parameters for resize" << endl;
 175         }
 176         else
 177         {
 178             KJavaApplet* const tmp = d->applets[appletID];
 179             if (tmp)
 180                 tmp->resizeAppletWidget( width, height );
 181         }
 182     }
 183     else if (cmd.startsWith(QLatin1String("audioclip_"))) {
 184         kDebug(DEBUGAREA) << "process Audio command (not yet implemented): " << cmd  << " " << arg[0];
 185     }
 186     else if ( cmd == QLatin1String( "JS_Event" )
 187               && arg.count() > 2 )
 188     {
 189         bool ok;
 190         const int appletID = arg.first().toInt(&ok);
 191         KJavaApplet * applet;
 192         if (ok && (applet = d->applets[appletID]))
 193         {
 194             QStringList js_args(arg);
 195             js_args.pop_front();
 196             applet->jsData(js_args);
 197         }
 198         else
 199             kError(DEBUGAREA) << "parse JS event " << arg[0] << " " << arg[1] << endl;
 200     }
 201     else if ( cmd == QLatin1String( "AppletStateNotification" ) )
 202     {
 203         bool ok;
 204         const int appletID = arg.first().toInt(&ok);
 205         if (ok)
 206         {
 207             KJavaApplet* const applet = d->applets[appletID];
 208             if ( applet )
 209             {
 210                 const int newState   = arg[1].toInt(&ok);
 211                 if (ok)
 212                 {
 213                     applet->stateChange(newState);
 214                     if (newState == KJavaApplet::INITIALIZED) {
 215                         kDebug(DEBUGAREA) << "emit appletLoaded";
 216                         emit appletLoaded();
 217                     }
 218                 } else
 219                     kError(DEBUGAREA) << "AppletStateNotification: status is not numerical" << endl;
 220             } else
 221                 kWarning(DEBUGAREA) << "AppletStateNotification:  No such Applet with ID=" << arg[0];
 222         } else
 223             kError(DEBUGAREA) << "AppletStateNotification: Applet ID is not numerical" << endl;
 224     }
 225     else if ( cmd == QLatin1String( "AppletFailed" ) ) {
 226         bool ok;
 227         const int appletID = arg.first().toInt(&ok);
 228         if (ok)
 229         {
 230             KJavaApplet* const applet = d->applets[appletID];
 231             /*
 232             QString errorDetail(arg[1]);
 233             errorDetail.replace(QRegExp(":\\s*"), ":\n");
 234             KMessageBox::detailedError(0L, i18n("Java error while loading applet."), errorDetail);
 235             */
 236             if (applet)
 237                 applet->setFailed();
 238             emit appletLoaded();
 239         }
 240     }
 241 }
 242
 243 void KJavaAppletContext::javaProcessExited(int) {
 244     AppletMap::iterator it = d->applets.begin();
 245     const AppletMap::iterator itEnd = d->applets.end();
 246     for (; it != itEnd; ++it)
 247         if (!(*it).isNull() && (*it)->isCreated() && !(*it)->failed()) {
 248             (*it)->setFailed();
 249             if ((*it)->state() < KJavaApplet::INITIALIZED)
 250                 emit appletLoaded();
 251         }
 252 }
 253
 254 bool KJavaAppletContext::getMember(QStringList & args, QStringList & ret_args) {
 255     args.push_front( QString::number(id) );
 256     return server->getMember( args, ret_args );
 257 }
 258
 259 bool KJavaAppletContext::putMember( QStringList & args ) {
 260     args.push_front( QString::number(id) );
 261     return server->putMember( args );
 262 }
 263
 264 bool KJavaAppletContext::callMember(QStringList & args, QStringList &ret_args) {
 265     args.push_front( QString::number(id) );
 266     return server->callMember( args, ret_args );
 267 }
 268
 269 void KJavaAppletContext::derefObject( QStringList & args ) {
 270     args.push_front( QString::number(id) );
 271     server->derefObject( args );
 272 }
 273
 274 #include <kjavaappletcontext.moc>