preparations for dynamic import/export module loading

2 files changed, 23 insertions, 67 deletions

diff --git a/kaddressbook/xxportmanager.cpp b/kaddressbook/xxportmanager.cpp
index 6cfa9cb..20cde49 100644
--- a/kaddressbook/xxportmanager.cpp
+++ b/kaddressbook/xxportmanager.cpp
@@ -1,269 +1,245 @@
 /*
     This file is part of KAddressbook.
     Copyright (c) 2003 Tobias Koenig <tokoe@kde.org>
 
     This program is free software; you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
     the Free Software Foundation; either version 2 of the License, or
     (at your option) any later version.
 
     This program 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 General Public License for more details.
 
     You should have received a copy of the GNU General Public License
     along with this program; if not, write to the Free Software
     Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 
     As a special exception, permission is given to link this program
     with any edition of Qt, and distribute the resulting executable,
     without including the source code for Qt in the source distribution.
 */
 
 /*
 Enhanced Version of the file for platform independent KDE tools.
 Copyright (c) 2004 Ulf Schenk
 
 $Id$
 */
 
 #include <qlayout.h>
+#include <qlist.h>
 
 #include <kabc/addressbook.h>
 #include <kabc/resource.h>
 #include <kdebug.h>
 #include <kdialogbase.h>
 #include <klocale.h>
 #include <kmessagebox.h>
 
 #ifndef KAB_EMBEDDED
 #include <ktrader.h>
 #else //KAB_EMBEDDED
-#include "xxport/csv_xxport.h"
-#include "xxport/kde2_xxport.h"
-#include "xxport/vcard_xxport.h"
+extern "C"
+{
+  void* init_kaddrbk_csv_xxport();
+  void* init_kaddrbk_kde2_xxport();
+  void* init_kaddrbk_vcard_xxport();
+}
 #endif //KAB_EMBEDDED
 
 #include <libkdepim/addresseeview.h>
 
 #include "kabcore.h"
 #include "undocmds.h"
 #include "xxportselectdialog.h"
 
 #include "xxportmanager.h"
 
 KURL XXPortManager::importURL = KURL();
 QString XXPortManager::importData = QString::null;
 
 class PreviewDialog : public KDialogBase
 {
   public:
     PreviewDialog( const KABC::Addressee &addr,
                    QWidget *parent, const char *name = 0 );
 };
 
 XXPortManager::XXPortManager( KABCore *core, QObject *parent, const char *name )
   : QObject( parent, name ), mCore( core ), mShowPreview( false )
 {
   loadPlugins();
 }
 
 XXPortManager::~XXPortManager()
 {
 }
 
 void XXPortManager::restoreSettings()
 {
 }
 
 void XXPortManager::saveSettings()
 {
 }
 
 void XXPortManager::importVCard( const KURL &url )
 {
   importVCard( url, false );
 }
 
 void XXPortManager::importVCard( const KURL &url, bool showPreview )
 {
   importURL = url;
   mShowPreview = showPreview;
   slotImport( "vcard", "<empty>" );
   mShowPreview = false;
   importURL = KURL();
 }
 
 void XXPortManager::importVCard( const QString &vCard, bool showPreview )
 {
   importData = vCard;
   mShowPreview = showPreview;
   slotImport( "vcard", "<empty>" );
   mShowPreview = false;
   importData = "";
 }
 
 void XXPortManager::slotImport( const QString &identifier, const QString &data )
 {
   XXPortObject *obj = mXXPortObjects[ identifier ];
   if ( !obj ) {
     KMessageBox::error( mCore, i18n( "<qt>No import plugin available for <b>%1</b>.</qt>" ).arg( identifier ) );
     return;
   }
 
   KABC::Resource *resource = mCore->requestResource( mCore );
   if ( !resource )
     return;
 
   KABC::AddresseeList list = obj->importContacts( data );
   KABC::AddresseeList::Iterator it;
   bool imported = false;
   for ( it = list.begin(); it != list.end(); ++it ) {
     if ( mShowPreview ) {
       PreviewDialog dlg( *it, mCore );
       if ( !dlg.exec() )
         continue;
     }
     
     (*it).setResource( resource );
     // We use a PwNewCommand so the user can undo it.
     PwNewCommand *command = new PwNewCommand( mCore->addressBook(), *it );
     UndoStack::instance()->push( command );
     RedoStack::instance()->clear();
     imported = true;
   }
   
   if ( imported ) {
     KMessageBox::information( mCore, i18n( "contacts successfully imported." ) );
   
     emit modified();
   }
 }
 
 void XXPortManager::slotExport( const QString &identifier, const QString &data )
 {
   XXPortObject *obj = mXXPortObjects[ identifier ];
   if ( !obj ) {
     KMessageBox::error( mCore, i18n( "<qt>No export plugin available for <b>%1</b>.</qt>" ).arg( identifier ) );
     return;
   }
 
   KABC::AddresseeList addrList;
   XXPortSelectDialog dlg( mCore, obj->requiresSorting(), mCore );
   if ( dlg.exec() )
     addrList = dlg.contacts();
   else
     return;
 
   if ( !obj->exportContacts( addrList, data ) )
     KMessageBox::error( mCore, i18n( "Unable to export contacts." ) );
   else
     KMessageBox::information( mCore, i18n( "contacts successfully exported." ) );
 }
 
 void XXPortManager::loadPlugins()
 {
   mXXPortObjects.clear();
 
 #ifndef KAB_EMBEDDED
   KTrader::OfferList plugins = KTrader::self()->query( "KAddressBook/XXPort" );
   KTrader::OfferList::ConstIterator it;
   for ( it = plugins.begin(); it != plugins.end(); ++it ) {
     if ( !(*it)->hasServiceType( "KAddressBook/XXPort" ) )
       continue;
 
     KLibFactory *factory = KLibLoader::self()->factory( (*it)->library().latin1() );
     if ( !factory ) {
       kdDebug(5720) << "XXPortManager::loadExtensions(): Factory creation failed" << endl;
       continue;
     }
 
     XXPortFactory *xxportFactory = static_cast<XXPortFactory*>( factory );
 
     if ( !xxportFactory ) {
       kdDebug(5720) << "XXPortManager::loadExtensions(): Cast failed" << endl;
       continue;
     }
 
-    XXPortObject *obj = xxportFactory->xxportObject( mCore->addressBook(), mCore );
-    if ( obj ) {
-      mCore->addGUIClient( obj );
-      mXXPortObjects.insert( obj->identifier(), obj );
-      connect( obj, SIGNAL( exportActivated( const QString&, const QString& ) ),
-               this, SLOT( slotExport( const QString&, const QString& ) ) );
-      connect( obj, SIGNAL( importActivated( const QString&, const QString& ) ),
-               this, SLOT( slotImport( const QString&, const QString& ) ) );
-    }
-  }
-  
 #else //KAB_EMBEDDED
-//lets load the export/import stubs directly. Is dynamic loading necessary for KA/Pi?
-  
-  // CVS import/export  
-  XXPortFactory *xxportFactory = new CSVXXPortFactory();
-
-  XXPortObject *obj = xxportFactory->xxportObject( mCore->addressBook(), mCore );
-  if ( obj ) {
-    mCore->addGUIClient( obj );
-    mXXPortObjects.insert( obj->identifier(), obj );
-    connect( obj, SIGNAL( exportActivated( const QString&, const QString& ) ),
-             this, SLOT( slotExport( const QString&, const QString& ) ) );
-    connect( obj, SIGNAL( importActivated( const QString&, const QString& ) ),
-             this, SLOT( slotImport( const QString&, const QString& ) ) );
+  QList<XXPortFactory> factorylist;
+  factorylist.append(static_cast<XXPortFactory*>(init_kaddrbk_csv_xxport()));
+  factorylist.append(static_cast<XXPortFactory*>(init_kaddrbk_kde2_xxport()));
+  factorylist.append(static_cast<XXPortFactory*>(init_kaddrbk_vcard_xxport()));
+
+  //now add the opie import library dynamically
+  KLibFactory *factory = KLibLoader::self()->factory( "kaddrbk_opie_xxport" );
+  if ( factory ) {
+    XXPortFactory *xxportFactory = static_cast<XXPortFactory*>( factory );
+    factorylist.append(xxportFactory);
   }
   
+  QListIterator<XXPortFactory> it(factorylist);  
+  for ( ; it.current(); ++it )
+  {
+    XXPortFactory *xxportFactory = it.current();
+#endif //KAB_EMBEDDED
 
-  
-  // KDE2 import/export  
-  xxportFactory = new KDE2XXPortFactory();
-
-  obj = xxportFactory->xxportObject( mCore->addressBook(), mCore );
+    XXPortObject *obj = xxportFactory->xxportObject( mCore->addressBook(), mCore );
   if ( obj ) {
     mCore->addGUIClient( obj );
     mXXPortObjects.insert( obj->identifier(), obj );
     connect( obj, SIGNAL( exportActivated( const QString&, const QString& ) ),
              this, SLOT( slotExport( const QString&, const QString& ) ) );
     connect( obj, SIGNAL( importActivated( const QString&, const QString& ) ),
              this, SLOT( slotImport( const QString&, const QString& ) ) );
   }
-  
-
-  
-  // VCARD import/export  
-  xxportFactory = new VCardXXPortFactory();
-
-  obj = xxportFactory->xxportObject( mCore->addressBook(), mCore );
-  if ( obj ) {
-    mCore->addGUIClient( obj );
-    mXXPortObjects.insert( obj->identifier(), obj );
-    connect( obj, SIGNAL( exportActivated( const QString&, const QString& ) ),
-             this, SLOT( slotExport( const QString&, const QString& ) ) );
-    connect( obj, SIGNAL( importActivated( const QString&, const QString& ) ),
-             this, SLOT( slotImport( const QString&, const QString& ) ) );
   }
-#endif //KAB_EMBEDDED
   
 }
 
 
 PreviewDialog::PreviewDialog( const KABC::Addressee &addr, QWidget *parent,
                               const char *name )
   : KDialogBase( Plain, i18n( "Contact Preview" ), Ok | Cancel, Ok, parent,
                  name, true, true )
 {
   QWidget *page = plainPage();
   QVBoxLayout *layout = new QVBoxLayout( page, marginHint(), spacingHint() );
   
   KPIM::AddresseeView *view = new KPIM::AddresseeView( page );
   view->setAddressee( addr );
 
   layout->addWidget( view );
 
   resize( 400, 300 );
 }
 
 #ifndef KAB_EMBEDDED
 #include "xxportmanager.moc"
 #endif //KAB_EMBEDDED
 
diff --git a/kaddressbook/xxportobject.h b/kaddressbook/xxportobject.h
index d697700..fddc219 100644
--- a/kaddressbook/xxportobject.h
+++ b/kaddressbook/xxportobject.h
@@ -1,157 +1,137 @@
 /*
     This file is part of KAddressbook.
     Copyright (c) 2003 Tobias Koenig <tokoe@kde.org>
 
     This program is free software; you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
     the Free Software Foundation; either version 2 of the License, or
     (at your option) any later version.
 
     This program 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 General Public License for more details.
 
     You should have received a copy of the GNU General Public License
     along with this program; if not, write to the Free Software
     Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 
     As a special exception, permission is given to link this program
     with any edition of Qt, and distribute the resulting executable,
     without including the source code for Qt in the source distribution.
 */
 
 /*
 Enhanced Version of the file for platform independent KDE tools.
 Copyright (c) 2004 Ulf Schenk
 
 $Id$
 */
 
 #ifndef XXPORTOBJECT_H
 #define XXPORTOBJECT_H
 
 #include <qobject.h>
 
 #include <kabc/addressbook.h>
 #include <kabc/addresseelist.h>
 #include <kxmlguiclient.h>
-#ifndef KAB_EMBEDDED
 #include <klibloader.h>
-#endif //KAB_EMBEDDED
 
 
 class XXPortObject : public QObject, virtual public KXMLGUIClient
 {
   Q_OBJECT
 
   public:
     XXPortObject( KABC::AddressBook *ab, QWidget *parent, const char *name = 0 );
     ~XXPortObject();
 
     /**
       Returns the unique identifier of this xxport modul, it should
       be the lowercase name of the import/export format e.g. 'vcard'
      */
     virtual QString identifier() const = 0;
 
     /**
       Reimplement this method if the XXPortManager shall
       pass a sorted list to @ref exportContacts().
      */
     virtual bool requiresSorting() const { return false; }
 
   public slots:
     /**
       Reimplement this method for exporting the contacts.
      */
     virtual bool exportContacts( const KABC::AddresseeList &list, const QString& identifier );
 
     /**
       Reimplement this method for importing the contacts.
      */
     virtual KABC::AddresseeList importContacts( const QString& identifier ) const;
 
   signals:
     /**
       Emitted whenever the export action is activated.
       The parameter contains the @ref identifier() for
       unique identification.
      */
     void exportActivated( const QString&, const QString& );
 
     /**
       Emitted whenever the import action is activated.
       The parameter contains the @ref identifier() for
       unique identification.
      */
     void importActivated( const QString&, const QString& );
 
   protected:
     /**
       Create the import action. The identifier is passed in the import slot.
      */
     void createImportAction( const QString &label, const QString &identifier = QString::null );
 
     /**
       Create the export action. The identifier is passed in the export slot.
      */
     void createExportAction( const QString &label, const QString &identifier = QString::null );
 
     /**
       Returns a pointer to the address book object.
      */
     KABC::AddressBook *addressBook() const;
 
     /**
       Returns a pointer to the parent widget. It can be used as parent for
       message boxes.
      */
     QWidget *parentWidget() const;
 
   
   private slots:
     void slotImportActivated( const QString& );
     void slotExportActivated( const QString& );
 
   private:
     KABC::AddressBook *mAddressBook;
     QWidget *mParentWidget;
 
     class XXPortObjectPrivate;
     XXPortObjectPrivate *d;
 };
 
-#ifndef KAB_EMBEDDED
 class XXPortFactory : public KLibFactory
 {
   public:
     virtual XXPortObject *xxportObject( KABC::AddressBook *ab, QWidget *parent,
                                         const char *name = 0 ) = 0;
 
   protected:
     virtual QObject* createObject( QObject*, const char*, const char*,
                                    const QStringList & )
     {
       return 0;
     }
 };
 
-#else //KAB_EMBEDDED
-class XXPortFactory
-{
-  public:
-    virtual XXPortObject *xxportObject( KABC::AddressBook *ab, QWidget *parent,
-                                        const char *name = 0 ) = 0;
-
-  protected:
-    virtual QObject* createObject( QObject*, const char*, const char*,
-                                   const QStringList & )
-    {
-      return 0;
-    }
-};
-#endif //KAB_EMBEDDED
-
-
 #endif