initial checkin - UNO-to-nonUNO bridge for (load)listeners

1 files changed, 303 insertions, 0 deletions

diff --git a/extensions/source/bibliography/loadlisteneradapter.cxx b/extensions/source/bibliography/loadlisteneradapter.cxx
new file mode 100644
index 000000000000..10e9b0f95ed0
--- /dev/null
+++ b/extensions/source/bibliography/loadlisteneradapter.cxx
@@ -0,0 +1,303 @@
+/*************************************************************************
+ *
+ *  $RCSfile: loadlisteneradapter.cxx,v $
+ *
+ *  $Revision: 1.1 $
+ *
+ *  last change: $Author: fs $ $Date: 2001-10-22 07:32:12 $
+ *
+ *  The Contents of this file are made available subject to the terms of
+ *  either of the following licenses
+ *
+ *         - GNU Lesser General Public License Version 2.1
+ *         - Sun Industry Standards Source License Version 1.1
+ *
+ *  Sun Microsystems Inc., October, 2000
+ *
+ *  GNU Lesser General Public License Version 2.1
+ *  =============================================
+ *  Copyright 2000 by Sun Microsystems, Inc.
+ *  901 San Antonio Road, Palo Alto, CA 94303, USA
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Lesser General Public
+ *  License version 2.1, as published by the Free Software Foundation.
+ *
+ *  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
+ *  Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public
+ *  License along with this library; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ *  MA  02111-1307  USA
+ *
+ *
+ *  Sun Industry Standards Source License Version 1.1
+ *  =================================================
+ *  The contents of this file are subject to the Sun Industry Standards
+ *  Source License Version 1.1 (the "License"); You may not use this file
+ *  except in compliance with the License. You may obtain a copy of the
+ *  License at http://www.openoffice.org/license.html.
+ *
+ *  Software provided under this License is provided on an "AS IS" basis,
+ *  WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING,
+ *  WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
+ *  MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
+ *  See the License for the specific provisions governing your rights and
+ *  obligations concerning the Software.
+ *
+ *  The Initial Developer of the Original Code is: Sun Microsystems, Inc..
+ *
+ *  Copyright: 2000 by Sun Microsystems, Inc.
+ *
+ *  All Rights Reserved.
+ *
+ *  Contributor(s): _______________________________________
+ *
+ *
+ ************************************************************************/
+
+#ifndef EXTENSIONS_BIB_LOADLISTENERADAPTER_HXX
+#include "loadlisteneradapter.hxx"
+#endif
+
+#ifndef _OSL_DIAGNOSE_H_
+#include <osl/diagnose.h>
+#endif
+#ifndef _VOS_REF_HXX_
+#include <vos/ref.hxx>
+#endif
+
+//.........................................................................
+namespace bib
+{
+//.........................................................................
+
+    using namespace ::com::sun::star::uno;
+    using namespace ::com::sun::star::lang;
+    using namespace ::com::sun::star::form;
+
+    //=====================================================================
+    //= OComponentListener
+    //=====================================================================
+    //---------------------------------------------------------------------
+    OComponentListener::~OComponentListener()
+    {
+        {
+            ::osl::MutexGuard aGuard( m_rMutex );
+            if ( m_pAdapter )
+                m_pAdapter->dispose();
+        }
+    }
+
+    //---------------------------------------------------------------------
+    void OComponentListener::_disposing( const EventObject& _rSource ) throw( RuntimeException)
+    {
+        // nothing to do here, overrride if you're interested in
+    }
+
+    //---------------------------------------------------------------------
+    void OComponentListener::setAdapter( OComponentAdapterBase* pAdapter )
+    {
+        {
+            ::osl::MutexGuard aGuard( m_rMutex );
+            if ( m_pAdapter )
+            {
+                m_pAdapter->release();
+                m_pAdapter = NULL;
+            }
+        }
+
+        if ( pAdapter )
+        {
+            ::osl::MutexGuard aGuard( m_rMutex );
+            m_pAdapter = pAdapter;
+            m_pAdapter->acquire();
+        }
+    }
+
+    //=====================================================================
+    //= OComponentAdapterBase
+    //=====================================================================
+    //---------------------------------------------------------------------
+    OComponentAdapterBase::OComponentAdapterBase( const Reference< XComponent >& _rxComp, sal_Bool _bAutoRelease )
+        :m_xComponent( _rxComp )
+        ,m_pListener( NULL )
+        ,m_nLockCount( 0 )
+        ,m_bListening( sal_False )
+        ,m_bAutoRelease( _bAutoRelease )
+    {
+        OSL_ENSURE( m_xComponent.is(), "OComponentAdapterBase::OComponentAdapterBase: invalid component!" );
+    }
+
+    //---------------------------------------------------------------------
+    void OComponentAdapterBase::Init( OComponentListener* _pListener )
+    {
+        OSL_ENSURE( !m_pListener, "OComponentAdapterBase::Init: already initialized!" );
+        OSL_ENSURE( _pListener, "OComponentAdapterBase::Init: invalid listener!" );
+
+        m_pListener = _pListener;
+        if ( m_pListener )
+            m_pListener->setAdapter( this );
+
+        startComponentListening( );
+        m_bListening = sal_True;
+    }
+
+    //---------------------------------------------------------------------
+    OComponentAdapterBase::~OComponentAdapterBase()
+    {
+    }
+
+    //---------------------------------------------------------------------
+    void OComponentAdapterBase::lock()
+    {
+        ++m_nLockCount;
+    }
+
+    //---------------------------------------------------------------------
+    void OComponentAdapterBase::unlock()
+    {
+        --m_nLockCount;
+    }
+
+    //---------------------------------------------------------------------
+    void OComponentAdapterBase::dispose()
+    {
+        if ( m_bListening )
+        {
+            ::vos::ORef< OComponentAdapterBase > xPreventDelete(this);
+
+            disposing();
+
+            m_pListener->setAdapter(NULL);
+
+            m_pListener = NULL;
+            m_bListening = sal_False;
+
+            if (m_bAutoRelease)
+                m_xComponent = NULL;
+        }
+    }
+
+    // XEventListener
+    //---------------------------------------------------------------------
+    void OComponentAdapterBase::disposing()
+    {
+        // nothing to do here
+    }
+
+    //---------------------------------------------------------------------
+    void SAL_CALL OComponentAdapterBase::disposing( const EventObject& _rSource ) throw( RuntimeException )
+    {
+        if ( m_pListener )
+        {
+             // tell the listener
+            if ( !locked() )
+                m_pListener->_disposing( _rSource );
+
+            // disconnect the listener
+            if ( m_pListener )  // may have been reset whilest calling into _disposing
+                m_pListener->setAdapter( NULL );
+        }
+
+        m_pListener = NULL;
+        m_bListening = sal_False;
+
+        if ( m_bAutoRelease )
+            m_xComponent = NULL;
+    }
+
+    //=====================================================================
+    //= OLoadListenerAdapter
+    //=====================================================================
+    //---------------------------------------------------------------------
+    OLoadListenerAdapter::OLoadListenerAdapter( const Reference< XLoadable >& _rxLoadable, sal_Bool _bAutoRelease )
+        :OComponentAdapterBase( Reference< XComponent >( _rxLoadable, UNO_QUERY ), _bAutoRelease )
+    {
+    }
+
+    //---------------------------------------------------------------------
+    void OLoadListenerAdapter::startComponentListening()
+    {
+        Reference< XLoadable > xLoadable( getComponent(), UNO_QUERY );
+        OSL_ENSURE( xLoadable.is(), "OLoadListenerAdapter::OLoadListenerAdapter: invalid object!" );
+        if ( xLoadable.is() )
+            xLoadable->addLoadListener( this );
+    }
+
+    //---------------------------------------------------------------------
+    void SAL_CALL OLoadListenerAdapter::acquire(  ) throw ()
+    {
+        OLoadListenerAdapter_Base::acquire();
+    }
+
+    //---------------------------------------------------------------------
+    void SAL_CALL OLoadListenerAdapter::release(  ) throw ()
+    {
+        OLoadListenerAdapter_Base::release();
+    }
+
+    //---------------------------------------------------------------------
+    void SAL_CALL OLoadListenerAdapter::disposing( const  EventObject& _rSource ) throw( RuntimeException)
+    {
+        OComponentAdapterBase::disposing( _rSource );
+    }
+
+    //---------------------------------------------------------------------
+    void OLoadListenerAdapter::disposing()
+    {
+        Reference< XLoadable > xLoadable( getComponent(), UNO_QUERY );
+        if ( xLoadable.is() )
+            xLoadable->removeLoadListener( this );
+    }
+
+    //---------------------------------------------------------------------
+    void SAL_CALL OLoadListenerAdapter::loaded( const EventObject& _rEvent ) throw (RuntimeException)
+    {
+        if ( !locked() && getLoadListener( ) )
+            getLoadListener( )->_loaded( _rEvent );
+    }
+
+    //---------------------------------------------------------------------
+    void SAL_CALL OLoadListenerAdapter::unloading( const EventObject& _rEvent ) throw (RuntimeException)
+    {
+        if ( !locked() && getLoadListener( ) )
+            getLoadListener( )->_unloading( _rEvent );
+    }
+
+    //---------------------------------------------------------------------
+    void SAL_CALL OLoadListenerAdapter::unloaded( const EventObject& _rEvent ) throw (RuntimeException)
+    {
+        if ( !locked() && getLoadListener( ) )
+            getLoadListener( )->_unloaded( _rEvent );
+    }
+
+    //---------------------------------------------------------------------
+    void SAL_CALL OLoadListenerAdapter::reloading( const EventObject& _rEvent ) throw (RuntimeException)
+    {
+        if ( !locked() && getLoadListener( ) )
+            getLoadListener( )->_reloading( _rEvent );
+    }
+
+    //---------------------------------------------------------------------
+    void SAL_CALL OLoadListenerAdapter::reloaded( const EventObject& _rEvent ) throw (RuntimeException)
+    {
+        if ( !locked() && getLoadListener( ) )
+            getLoadListener( )->_reloaded( _rEvent );
+    }
+
+//.........................................................................
+}   // namespace bib
+//.........................................................................
+
+
+/*************************************************************************
+ * history:
+ *  $Log: not supported by cvs2svn $
+ *
+ *  Revision 1.0 17.10.01 15:33:08  fs
+ ************************************************************************/
+