kontact

core.cpp

00001 /*
00002    This file is part of KDE Kontact.
00003 
00004    Copyright (c) 2001 Matthias Hoelzer-Kluepfel <mhk@kde.org>
00005    Copyright (c) 2002-2003 Daniel Molkentin <molkentin@kde.org>
00006    Copyright (c) 2003 Cornelius Schumacher <schumacher@kde.org>
00007 
00008    This library is free software; you can redistribute it and/or
00009    modify it under the terms of the GNU Library General Public
00010    License as published by the Free Software Foundation; either
00011    version 2 of the License, or (at your option) any later version.
00012 
00013    This library is distributed in the hope that it will be useful,
00014    but WITHOUT ANY WARRANTY; without even the implied warranty of
00015    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00016    Library General Public License for more details.
00017 
00018    You should have received a copy of the GNU Library General Public License
00019    along with this library; see the file COPYING.LIB.  If not, write to
00020    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
00021    Boston, MA 02110-1301, USA.
00022 */
00023 
00024 #include "core.h"
00025 
00026 #include <kparts/part.h>
00027 #include <kparts/componentfactory.h>
00028 #include <kdebug.h>
00029 #include <qtimer.h>
00030 #include <klocale.h>
00031 
00032 using namespace Kontact;
00033 
00034 class Core::Private
00035 {
00036 public:
00037   QString lastErrorMessage;
00038 };
00039 
00040 Core::Core( QWidget *parent, const char *name )
00041   : KParts::MainWindow( parent, name )
00042 {
00043   d = new Private;
00044   QTimer* timer = new QTimer( this );
00045   mLastDate = QDate::currentDate();
00046   connect(timer, SIGNAL( timeout() ), SLOT( checkNewDay() ) );
00047   timer->start( 1000*60 );
00048 }
00049 
00050 Core::~Core()
00051 {
00052   delete d;
00053 }
00054 
00055 KParts::ReadOnlyPart *Core::createPart( const char *libname )
00056 {
00057   kdDebug(5601) << "Core::createPart(): " << libname << endl;
00058 
00059   QMap<QCString,KParts::ReadOnlyPart *>::ConstIterator it;
00060   it = mParts.find( libname );
00061   if ( it != mParts.end() ) return it.data();
00062 
00063   kdDebug(5601) << "Creating new KPart" << endl;
00064 
00065   int error = 0;
00066   KParts::ReadOnlyPart *part =
00067       KParts::ComponentFactory::
00068           createPartInstanceFromLibrary<KParts::ReadOnlyPart>
00069               ( libname, this, 0, this, "kontact", QStringList(), &error );
00070 
00071   KParts::ReadOnlyPart *pimPart = dynamic_cast<KParts::ReadOnlyPart*>( part );
00072   if ( pimPart ) {
00073     mParts.insert( libname, pimPart );
00074     QObject::connect( pimPart, SIGNAL( destroyed( QObject * ) ),
00075                       SLOT( slotPartDestroyed( QObject * ) ) );
00076   } else {
00077     // TODO move to KParts::ComponentFactory
00078     switch( error ) {
00079     case KParts::ComponentFactory::ErrNoServiceFound:
00080       d->lastErrorMessage = i18n( "No service found" );
00081       break;
00082     case KParts::ComponentFactory::ErrServiceProvidesNoLibrary:
00083       d->lastErrorMessage = i18n( "Program error: the .desktop file for the service does not have a Library key." );
00084       break;
00085     case KParts::ComponentFactory::ErrNoLibrary:
00086       d->lastErrorMessage = KLibLoader::self()->lastErrorMessage();
00087       break;
00088     case KParts::ComponentFactory::ErrNoFactory:
00089       d->lastErrorMessage = i18n( "Program error: the library %1 does not provide a factory." ).arg( libname );
00090       break;
00091     case KParts::ComponentFactory::ErrNoComponent:
00092       d->lastErrorMessage = i18n( "Program error: the library %1 does not support creating components of the specified type" ).arg( libname );
00093       break;
00094     }
00095     kdWarning(5601) << d->lastErrorMessage << endl;
00096   }
00097 
00098   return pimPart;
00099 }
00100 
00101 void Core::slotPartDestroyed( QObject * obj )
00102 {
00103   // the part was deleted, we need to remove it from the part map to not return
00104   // a dangling pointer in createPart
00105   QMap<QCString, KParts::ReadOnlyPart*>::Iterator end = mParts.end();
00106   QMap<QCString, KParts::ReadOnlyPart*>::Iterator it = mParts.begin();
00107   for ( ; it != end; ++it ) {
00108     if ( it.data() == obj ) {
00109       mParts.remove( it );
00110       return;
00111     }
00112   }
00113 }
00114 
00115 void Core::checkNewDay()
00116 {
00117   if ( mLastDate != QDate::currentDate() )
00118     emit dayChanged( QDate::currentDate() );
00119 
00120   mLastDate = QDate::currentDate();
00121 }
00122 
00123 QString Core::lastErrorMessage() const
00124 {
00125   return d->lastErrorMessage;
00126 }
00127 
00128 #include "core.moc"
00129 // vim: sw=2 sts=2 et tw=80
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