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kjavaapplet.cpp

00001 /* This file is part of the KDE project
00002  *
00003  * Copyright (C) 2000 Richard Moore <rich@kde.org>
00004  *               2000 Wynn Wilkes <wynnw@caldera.com>
00005  *
00006  * This library is free software; you can redistribute it and/or
00007  * modify it under the terms of the GNU Library General Public
00008  * License as published by the Free Software Foundation; either
00009  * version 2 of the License, or (at your option) any later version.
00010  *
00011  * This library is distributed in the hope that it will be useful,
00012  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00013  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00014  * Library General Public License for more details.
00015  *
00016  * You should have received a copy of the GNU Library General Public License
00017  * along with this library; see the file COPYING.LIB.  If not, write to
00018  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
00019  * Boston, MA 02110-1301, USA.
00020  */
00021 
00022 #include "kjavaappletwidget.h"
00023 #include "kjavaappletcontext.h"
00024 
00025 #include <klocale.h>
00026 #include <kdebug.h>
00027 #include <kparts/browserextension.h>
00028 
00029 
00030 
00031 class KJavaAppletPrivate
00032 {
00033 public:
00034    bool    reallyExists;
00035    QString className;
00036    QString appName;
00037    QString baseURL;
00038    QString codeBase;
00039    QString archives;
00040    QSize   size;
00041    QString windowName;
00042    KJavaApplet::AppletState state;
00043    bool    failed;
00044 
00045    KJavaAppletWidget* UIwidget;
00046 };
00047 
00048 
00049 KJavaApplet::KJavaApplet( KJavaAppletWidget* _parent,
00050                           KJavaAppletContext* _context )
00051     : params()
00052 {
00053     d = new KJavaAppletPrivate;
00054 
00055     d->UIwidget = _parent;
00056     d->state = UNKNOWN;
00057     d->failed = false;
00058 
00059     if( _context )
00060         setAppletContext( _context );
00061 
00062     d->reallyExists = false;
00063 }
00064 
00065 KJavaApplet::~KJavaApplet()
00066 {
00067     if ( d->reallyExists )
00068         context->destroy( this );
00069 
00070     delete d;
00071 }
00072 
00073 bool KJavaApplet::isCreated()
00074 {
00075     return d->reallyExists;
00076 }
00077 
00078 void KJavaApplet::setAppletContext( KJavaAppletContext* _context )
00079 {
00080     context = _context;
00081     context->registerApplet( this );
00082 }
00083 
00084 void KJavaApplet::setAppletClass( const QString& _className )
00085 {
00086     d->className = _className;
00087 }
00088 
00089 QString& KJavaApplet::appletClass()
00090 {
00091     return d->className;
00092 }
00093 
00094 QString& KJavaApplet::parameter( const QString& name )
00095 {
00096     return params[ name ];
00097 }
00098 
00099 void KJavaApplet::setParameter( const QString& name, const QString& value )
00100 {
00101     params.insert( name, value );
00102 }
00103 
00104 QMap<QString,QString>& KJavaApplet::getParams()
00105 {
00106     return params;
00107 }
00108 
00109 void KJavaApplet::setBaseURL( const QString& baseURL )
00110 {
00111     d->baseURL = baseURL;
00112 }
00113 
00114 QString& KJavaApplet::baseURL()
00115 {
00116     return d->baseURL;
00117 }
00118 
00119 void KJavaApplet::setCodeBase( const QString& codeBase )
00120 {
00121     d->codeBase = codeBase;
00122 }
00123 
00124 QString& KJavaApplet::codeBase()
00125 {
00126     return d->codeBase;
00127 }
00128 
00129 void KJavaApplet::setSize( QSize size )
00130 {
00131     d->size = size;
00132 }
00133 
00134 QSize KJavaApplet::size()
00135 {
00136     return d->size;
00137 }
00138 
00139 void KJavaApplet::setArchives( const QString& _archives )
00140 {
00141     d->archives = _archives;
00142 }
00143 
00144 QString& KJavaApplet::archives()
00145 {
00146     return d->archives;
00147 }
00148 
00149 void KJavaApplet::resizeAppletWidget( int width, int height )
00150 {
00151     kdDebug(6100) << "KJavaApplet, id = " << id << ", ::resizeAppletWidget to " << width << ", " << height << endl;
00152 
00153     QStringList sl;
00154     sl.push_back( QString::number( 0 ) ); // applet itself has id 0
00155     sl.push_back( QString( "eval" ) );    // evaluate next script
00156     sl.push_back( QString::number( KParts::LiveConnectExtension::TypeString ) );
00157     sl.push_back( QString( "this.setAttribute('WIDTH',%1);this.setAttribute('HEIGHT',%2)" ).arg( width ).arg( height ) );
00158     jsData( sl );
00159 }
00160 
00161 void KJavaApplet::setAppletName( const QString& name )
00162 {
00163     d->appName = name;
00164 }
00165 
00166 void KJavaApplet::setWindowName( const QString& title )
00167 {
00168     d->windowName = title;
00169 }
00170 
00171 QString& KJavaApplet::getWindowName()
00172 {
00173     return d->windowName;
00174 }
00175 
00176 QString& KJavaApplet::appletName()
00177 {
00178     return d->appName;
00179 }
00180 
00181 void KJavaApplet::create( )
00182 {
00183     if (  !context->create( this ) )
00184         setFailed();
00185     d->reallyExists = true;
00186 }
00187 
00188 void KJavaApplet::init()
00189 {
00190     context->init( this );
00191 }
00192 
00193 void KJavaApplet::start()
00194 {
00195     context->start( this );
00196 }
00197 
00198 void KJavaApplet::stop()
00199 {
00200     context->stop( this );
00201 }
00202 
00203 int KJavaApplet::appletId()
00204 {
00205     return id;
00206 }
00207 
00208 void KJavaApplet::setAppletId( int _id )
00209 {
00210     id = _id;
00211 }
00212 
00213 void KJavaApplet::stateChange( const int newStateInt ) {
00214     AppletState newState = (AppletState)newStateInt;
00215     bool ok = false;
00216     if (d->failed) {
00217         return;
00218     }
00219     switch ( newState ) {
00220         case CLASS_LOADED:
00221             ok = (d->state == UNKNOWN);
00222             break;
00223         case INSTANCIATED:
00224             if (ok) {
00225                 showStatus(i18n("Initializing Applet \"%1\"...").arg(appletName()));
00226             }
00227             ok = (d->state == CLASS_LOADED);
00228             break;
00229         case INITIALIZED:
00230             ok = (d->state == INSTANCIATED);
00231             if (ok) { 
00232                 showStatus(i18n("Starting Applet \"%1\"...").arg(appletName()));
00233                 start();
00234             }
00235             break;
00236         case STARTED:
00237             ok = (d->state == INITIALIZED || d->state == STOPPED);
00238             if (ok) {    
00239                 showStatus(i18n("Applet \"%1\" started").arg(appletName()));
00240             }
00241             break;
00242         case STOPPED:
00243             ok = (d->state == INITIALIZED || d->state == STARTED);
00244             if (ok) {    
00245                 showStatus(i18n("Applet \"%1\" stopped").arg(appletName()));
00246             }
00247             break;
00248         case DESTROYED:
00249             ok = true;
00250             break;
00251         default:
00252             break;
00253     }
00254     if (ok) {
00255         d->state = newState;
00256     } else {
00257         kdError(6100) << "KJavaApplet::stateChange : don't want to switch from state "
00258             << d->state << " to " << newState << endl;
00259     } 
00260 }
00261 
00262 void KJavaApplet::showStatus(const QString &msg) {
00263     QStringList args;
00264     args << msg;
00265     context->processCmd("showstatus", args); 
00266 }
00267 
00268 void KJavaApplet::setFailed() {
00269     d->failed = true;
00270 }
00271 
00272 bool KJavaApplet::isAlive() const {
00273    return (
00274         !d->failed 
00275         && d->state >= INSTANCIATED
00276         && d->state < STOPPED
00277    ); 
00278 }
00279 
00280 KJavaApplet::AppletState KJavaApplet::state() const {
00281     return d->state;
00282 }
00283 
00284 bool KJavaApplet::failed() const {
00285     return d->failed;
00286 }
00287 
00288 #include "kjavaapplet.moc"
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