INTEGRATION: CWS oj14 (1.1.2); FILE ADDED

2007/02/20 12:17:13 oj 1.1.2.3: check m_pListener
2006/12/20 06:58:00 oj 1.1.2.2: missing preheader
2006/11/08 12:29:24 oj 1.1.2.1: new helper class

1 files changed, 244 insertions, 0 deletions

diff --git a/comphelper/source/container/containermultiplexer.cxx b/comphelper/source/container/containermultiplexer.cxx
new file mode 100644
index 000000000000..b16a06a14d21
--- /dev/null
+++ b/comphelper/source/container/containermultiplexer.cxx
@@ -0,0 +1,244 @@
+/*************************************************************************
+ *
+ *  $RCSfile: containermultiplexer.cxx,v $
+ *
+ *  $Revision: 1.2 $
+ *
+ *  last change: $Author: rt $ $Date: 2007-07-06 10:19:33 $
+ *
+ *  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): Ocke Janssen
+ *
+ *
+ ************************************************************************/
+
+// MARKER(update_precomp.py): autogen include statement, do not remove
+#include "precompiled_comphelper.hxx"
+
+#ifndef _COMPHELPER_CONTAINERMULTIPLEXER_HXX_
+#include "comphelper/containermultiplexer.hxx"
+#endif
+#ifndef _COMPHELPER_UNO3_HXX_
+#include "comphelper/uno3.hxx"
+#endif
+#ifndef _OSL_DIAGNOSE_H_
+#include <osl/diagnose.h>
+#endif
+//.........................................................................
+namespace comphelper
+{
+//.........................................................................
+
+    using namespace ::com::sun::star::uno;
+    using namespace ::com::sun::star::lang;
+    using namespace ::com::sun::star::container;
+
+    //=====================================================================
+    //= OContainerListener
+    //=====================================================================
+    //---------------------------------------------------------------------
+    OContainerListener::OContainerListener(::osl::Mutex& _rMutex)
+        :m_pAdapter(NULL)
+        ,m_rMutex(_rMutex)
+    {
+    }
+
+    //---------------------------------------------------------------------
+    OContainerListener::~OContainerListener()
+    {
+        if (m_pAdapter)
+        {
+            m_pAdapter->dispose();
+            m_pAdapter = NULL;
+        }
+    }
+
+    //---------------------------------------------------------------------
+    void OContainerListener::_elementInserted( const ContainerEvent& /*_rEvent*/ ) throw(RuntimeException)
+    {
+    }
+
+    //---------------------------------------------------------------------
+    void OContainerListener::_elementRemoved( const ContainerEvent& ) throw(RuntimeException)
+    {
+    }
+
+    //---------------------------------------------------------------------
+    void OContainerListener::_elementReplaced( const ContainerEvent& /*_rEvent*/ ) throw(RuntimeException)
+    {
+    }
+
+    //---------------------------------------------------------------------
+    void OContainerListener::_disposing(const EventObject& ) throw( RuntimeException)
+    {
+    }
+
+    //------------------------------------------------------------------
+    void OContainerListener::setAdapter(OContainerListenerAdapter* pAdapter)
+    {
+        if (m_pAdapter)
+        {
+            ::osl::MutexGuard aGuard(m_rMutex);
+            m_pAdapter->release();
+            m_pAdapter = NULL;
+        }
+
+        if (pAdapter)
+        {
+            ::osl::MutexGuard aGuard(m_rMutex);
+            m_pAdapter = pAdapter;
+            m_pAdapter->acquire();
+        }
+    }
+
+    //=====================================================================
+    //= OContainerListenerAdapter
+    //=====================================================================
+    //---------------------------------------------------------------------
+    OContainerListenerAdapter::OContainerListenerAdapter(OContainerListener* _pListener,
+            const  Reference< XContainer >& _rxContainer)
+        :m_xContainer(_rxContainer)
+        ,m_pListener(_pListener)
+        ,m_nLockCount(0)
+    {
+        if (m_pListener)
+            m_pListener->setAdapter(this);
+
+        ::comphelper::increment(m_refCount);
+        try
+        {
+            m_xContainer->addContainerListener(this);
+        }
+        catch(const Exception&)
+        {
+            OSL_ENSURE(0,"Exceptiopn catched!");
+        }
+        ::comphelper::decrement(m_refCount);
+    }
+
+    //---------------------------------------------------------------------
+    OContainerListenerAdapter::~OContainerListenerAdapter()
+    {
+    }
+
+    //------------------------------------------------------------------
+    void OContainerListenerAdapter::lock()
+    {
+        ++m_nLockCount;
+    }
+
+    //------------------------------------------------------------------
+    void OContainerListenerAdapter::unlock()
+    {
+        --m_nLockCount;
+    }
+
+    //------------------------------------------------------------------
+    void OContainerListenerAdapter::dispose()
+    {
+        if (m_xContainer.is())
+        {
+            try
+            {
+                Reference< XContainerListener > xPreventDelete(this);
+                m_xContainer->removeContainerListener(xPreventDelete);
+                m_pListener->setAdapter(NULL);
+            }
+            catch(const Exception&)
+            {
+                OSL_ENSURE(0,"Exception catched!");
+            }
+            m_xContainer = NULL;
+            m_pListener = NULL;
+        }
+    }
+
+    //------------------------------------------------------------------
+    void SAL_CALL OContainerListenerAdapter::disposing( const  EventObject& _rSource) throw(RuntimeException)
+    {
+        if (m_pListener)
+        {
+             // tell the listener
+            if (!locked())
+                m_pListener->_disposing(_rSource);
+            // disconnect the listener
+            if ( m_pListener )
+                m_pListener->setAdapter(NULL);
+        }
+
+        m_xContainer = NULL;
+        m_pListener = NULL;
+    }
+
+    //------------------------------------------------------------------
+    void SAL_CALL OContainerListenerAdapter::elementInserted( const ContainerEvent& _rEvent ) throw(RuntimeException)
+    {
+        if (m_pListener && !locked())
+            m_pListener->_elementInserted(_rEvent);
+    }
+
+    //------------------------------------------------------------------
+    void SAL_CALL OContainerListenerAdapter::elementRemoved( const ContainerEvent& _rEvent ) throw(RuntimeException)
+    {
+        if (m_pListener && !locked())
+            m_pListener->_elementRemoved(_rEvent);
+    }
+
+    //------------------------------------------------------------------
+    void SAL_CALL OContainerListenerAdapter::elementReplaced( const ContainerEvent& _rEvent ) throw(RuntimeException)
+    {
+        if (m_pListener && !locked())
+            m_pListener->_elementReplaced(_rEvent);
+    }
+
+//.........................................................................
+}   // namespace comphelper
+//.........................................................................
+