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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org 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 version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
#include <unotools/closeveto.hxx>
/** === begin UNO includes === **/
#include <com/sun/star/util/XCloseable.hpp>
/** === end UNO includes === **/
#include <cppuhelper/implbase1.hxx>
#include <rtl/ref.hxx>
#include <tools/diagnose_ex.h>
//......................................................................................................................
namespace utl
{
//......................................................................................................................
/** === begin UNO using === **/
using ::com::sun::star::uno::Reference;
using ::com::sun::star::uno::XInterface;
using ::com::sun::star::uno::UNO_QUERY;
using ::com::sun::star::uno::UNO_QUERY_THROW;
using ::com::sun::star::uno::UNO_SET_THROW;
using ::com::sun::star::uno::Exception;
using ::com::sun::star::uno::RuntimeException;
using ::com::sun::star::uno::Any;
using ::com::sun::star::uno::makeAny;
using ::com::sun::star::uno::Sequence;
using ::com::sun::star::uno::Type;
using ::com::sun::star::util::XCloseable;
using ::com::sun::star::util::XCloseListener;
using ::com::sun::star::util::CloseVetoException;
using ::com::sun::star::lang::EventObject;
/** === end UNO using === **/
//==================================================================================================================
//= CloseListener_Impl
//==================================================================================================================
typedef ::cppu::WeakImplHelper1 < XCloseListener
> CloseListener_Base;
class SAL_DLLPRIVATE CloseListener_Impl : public CloseListener_Base
{
public:
CloseListener_Impl()
:m_bHasOwnership( false )
{
}
// XCloseListener
virtual void SAL_CALL queryClosing( const EventObject& Source, ::sal_Bool GetsOwnership ) throw (CloseVetoException, RuntimeException);
virtual void SAL_CALL notifyClosing( const EventObject& Source ) throw (RuntimeException);
// XEventListener
virtual void SAL_CALL disposing( const EventObject& Source) throw (RuntimeException);
bool hasOwnership() const { return m_bHasOwnership; }
protected:
~CloseListener_Impl()
{
}
private:
bool m_bHasOwnership;
};
//------------------------------------------------------------------------------------------------------------------
void SAL_CALL CloseListener_Impl::queryClosing( const EventObject& i_source, ::sal_Bool i_deliverOwnership ) throw (CloseVetoException, RuntimeException)
{
(void)i_source;
if ( !m_bHasOwnership )
m_bHasOwnership = i_deliverOwnership;
throw CloseVetoException();
}
//------------------------------------------------------------------------------------------------------------------
void SAL_CALL CloseListener_Impl::notifyClosing( const EventObject& i_source ) throw (RuntimeException)
{
(void)i_source;
}
//------------------------------------------------------------------------------------------------------------------
void SAL_CALL CloseListener_Impl::disposing( const EventObject& i_source ) throw (RuntimeException)
{
(void)i_source;
}
//==================================================================================================================
//= CloseVeto_Data
//==================================================================================================================
struct SAL_DLLPRIVATE CloseVeto_Data
{
Reference< XCloseable > xCloseable;
::rtl::Reference< CloseListener_Impl > pListener;
};
//==================================================================================================================
//= operations
//==================================================================================================================
namespace
{
//--------------------------------------------------------------------------------------------------------------
void lcl_init( CloseVeto_Data& i_data, const Reference< XInterface >& i_closeable )
{
i_data.xCloseable.set( i_closeable, UNO_QUERY );
ENSURE_OR_RETURN_VOID( i_data.xCloseable.is(), "CloseVeto: the component is not closeable!" );
i_data.pListener = new CloseListener_Impl;
i_data.xCloseable->addCloseListener( i_data.pListener.get() );
}
//--------------------------------------------------------------------------------------------------------------
void lcl_deinit( CloseVeto_Data& i_data )
{
if ( !i_data.xCloseable.is() )
return;
i_data.xCloseable->removeCloseListener( i_data.pListener.get() );
if ( i_data.pListener->hasOwnership() )
{
try
{
i_data.xCloseable->close( sal_True );
}
catch( const CloseVetoException& ) { }
catch( const Exception& )
{
DBG_UNHANDLED_EXCEPTION();
}
}
}
}
//==================================================================================================================
//= CloseVeto
//==================================================================================================================
//------------------------------------------------------------------------------------------------------------------
CloseVeto::CloseVeto( const Reference< XInterface >& i_closeable )
:m_pData( new CloseVeto_Data )
{
lcl_init( *m_pData, i_closeable );
}
//------------------------------------------------------------------------------------------------------------------
CloseVeto::~CloseVeto()
{
lcl_deinit( *m_pData );
}
//......................................................................................................................
} // namespace utl
//......................................................................................................................
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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