#83045# - Initial revision.

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diff --git a/ucbhelper/source/provider/commandenvironmentproxy.cxx b/ucbhelper/source/provider/commandenvironmentproxy.cxx
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+++ b/ucbhelper/source/provider/commandenvironmentproxy.cxx
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+/*************************************************************************
+ *
+ *  $RCSfile: commandenvironmentproxy.cxx,v $
+ *
+ *  $Revision: 1.1 $
+ *
+ *  last change: $Author: kso $ $Date: 2001-02-12 11:51:28 $
+ *
+ *  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 EXPRESSED 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): _______________________________________
+ *
+ *
+ ************************************************************************/
+
+/**************************************************************************
+                                TODO
+ **************************************************************************
+
+ *************************************************************************/
+
+#ifndef _COM_SUN_STAR_LANG_XMULTISERVICEFACTORY_HPP_
+#include <com/sun/star/lang/XMultiServiceFactory.hpp>
+#endif
+#ifndef _COM_SUN_STAR_LANG_XCOMPONENT_HPP_
+#include <com/sun/star/lang/XComponent.hpp>
+#endif
+#ifndef _COM_SUN_STAR_UCB_XCONTENTIDENTIFIERFACTORY_HPP_
+#include <com/sun/star/ucb/XContentIdentifierFactory.hpp>
+#endif
+#ifndef _COM_SUN_STAR_UCB_XCONTENTPROVIDER_HPP_
+#include <com/sun/star/ucb/XContentProvider.hpp>
+#endif
+#ifndef _COM_SUN_STAR_UCB_XCONTENTPROVIDERMANAGER_HPP_
+#include <com/sun/star/ucb/XContentProviderManager.hpp>
+#endif
+
+#ifndef _OSL_MUTEX_HXX_
+#include <osl/mutex.hxx>
+#endif
+
+#ifndef _UCBHELPER_COMMANDENVIRONMENTPROXY_HXX
+#include <ucbhelper/commandenvironmentproxy.hxx>
+#endif
+
+using namespace com::sun::star::lang;
+using namespace com::sun::star::task;
+using namespace com::sun::star::ucb;
+using namespace com::sun::star::uno;
+using namespace rtl;
+
+namespace ucb
+{
+
+//=========================================================================
+//=========================================================================
+//
+// struct CommandEnvironmentProxy_Impl.
+//
+//=========================================================================
+//=========================================================================
+
+struct CommandEnvironmentProxy_Impl
+{
+    osl::Mutex                       m_aMutex;
+    Reference< XCommandEnvironment > m_xEnv;
+    Reference< XInteractionHandler > m_xInteractionHandler;
+    Reference< XProgressHandler >    m_xProgressHandler;
+    sal_Bool m_bGotInteractionHandler;
+    sal_Bool m_bGotProgressHandler;
+
+    CommandEnvironmentProxy_Impl(
+        const Reference< XCommandEnvironment >& rxEnv )
+    : m_xEnv( rxEnv ), m_bGotInteractionHandler( sal_False ),
+      m_bGotProgressHandler( sal_False ) {}
+};
+
+//=========================================================================
+//=========================================================================
+//
+// CommandEnvironmentProxy Implementation.
+//
+//=========================================================================
+//=========================================================================
+
+CommandEnvironmentProxy::CommandEnvironmentProxy(
+                        const Reference< XCommandEnvironment >& rxEnv )
+{
+    m_pImpl = new CommandEnvironmentProxy_Impl( rxEnv );
+}
+
+//=========================================================================
+// virtual
+CommandEnvironmentProxy::~CommandEnvironmentProxy()
+{
+    delete m_pImpl;
+}
+
+//=========================================================================
+//
+// XInterface methods
+//
+//=========================================================================
+
+XINTERFACE_IMPL_2( CommandEnvironmentProxy,
+                   XTypeProvider,
+                   XCommandEnvironment );
+
+//=========================================================================
+//
+// XTypeProvider methods
+//
+//=========================================================================
+
+XTYPEPROVIDER_IMPL_2( CommandEnvironmentProxy,
+                      XTypeProvider,
+                      XCommandEnvironment );
+
+//=========================================================================
+//
+// XCommandEnvironemnt methods.
+//
+//=========================================================================
+
+// virtual
+Reference< XInteractionHandler > SAL_CALL
+CommandEnvironmentProxy::getInteractionHandler()
+    throw ( RuntimeException )
+{
+    if ( !m_pImpl->m_bGotInteractionHandler )
+    {
+        osl::MutexGuard aGuard( m_pImpl->m_aMutex );
+        if ( !m_pImpl->m_bGotInteractionHandler )
+        {
+            m_pImpl->m_xInteractionHandler
+                            = m_pImpl->m_xEnv->getInteractionHandler();
+            m_pImpl->m_bGotInteractionHandler = sal_True;
+        }
+    }
+
+    return m_pImpl->m_xInteractionHandler;
+}
+
+//=========================================================================
+// virtual
+Reference< XProgressHandler > SAL_CALL
+CommandEnvironmentProxy::getProgressHandler()
+    throw ( RuntimeException )
+{
+    if ( !m_pImpl->m_bGotProgressHandler )
+    {
+        osl::MutexGuard aGuard( m_pImpl->m_aMutex );
+        if ( !m_pImpl->m_bGotProgressHandler )
+        {
+            m_pImpl->m_xProgressHandler
+                            = m_pImpl->m_xEnv->getProgressHandler();
+            m_pImpl->m_bGotProgressHandler = sal_True;
+        }
+    }
+
+    return m_pImpl->m_xProgressHandler;
+}
+
+} /* namespace ucb */
+