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/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2008 by Sun Microsystems, Inc.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: unostorageholder.cxx,v $
* $Revision: 1.8 $
*
* 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.
*
************************************************************************/
// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_sot.hxx"
#include <com/sun/star/uno/Reference.hxx>
#include <com/sun/star/embed/XTransactionBroadcaster.hpp>
#include <com/sun/star/embed/ElementModes.hpp>
#include <com/sun/star/lang/XComponent.hpp>
#include <com/sun/star/lang/XSingleServiceFactory.hpp>
#include <comphelper/processfactory.hxx>
#include "unostorageholder.hxx"
#include <storinfo.hxx>
using namespace ::com::sun::star;
UNOStorageHolder::UNOStorageHolder( SotStorage& aParentStorage,
SotStorage& aStorage,
uno::Reference< embed::XStorage > xStorage,
::utl::TempFile* pTempFile )
: m_pParentStorage( &aParentStorage )
, m_rSotStorage( &aStorage )
, m_xStorage( xStorage )
, m_pTempFile( pTempFile )
{
OSL_ENSURE( m_xStorage.is() && m_pTempFile, "Wrong initialization!\n" );
if ( !m_xStorage.is() || !m_pTempFile )
throw uno::RuntimeException();
uno::Reference< embed::XTransactionBroadcaster > xTrBroadcast( m_xStorage, uno::UNO_QUERY );
if ( !xTrBroadcast.is() )
throw uno::RuntimeException();
xTrBroadcast->addTransactionListener( (embed::XTransactionListener*)this );
}
void UNOStorageHolder::InternalDispose()
{
uno::Reference< embed::XTransactionBroadcaster > xTrBroadcast( m_xStorage, uno::UNO_QUERY );
if ( xTrBroadcast.is() )
xTrBroadcast->removeTransactionListener( (embed::XTransactionListener*)this );
uno::Reference< lang::XComponent > xComponent( m_xStorage, uno::UNO_QUERY );
if ( xComponent.is() )
xComponent->dispose();
m_xStorage = uno::Reference< embed::XStorage >();
if ( m_pParentStorage )
m_pParentStorage = NULL;
if ( m_pTempFile )
{
delete m_pTempFile;
m_pTempFile = NULL;
}
if ( m_rSotStorage.Is() )
m_rSotStorage = NULL;
}
String UNOStorageHolder::GetStorageName()
{
if ( m_rSotStorage.Is() )
return m_rSotStorage->GetName();
return String();
}
void SAL_CALL UNOStorageHolder::preCommit( const lang::EventObject& /*aEvent*/ )
throw ( uno::Exception,
uno::RuntimeException )
{
// do nothing
}
void SAL_CALL UNOStorageHolder::commited( const lang::EventObject& /*aEvent*/ )
throw ( uno::RuntimeException )
{
::utl::TempFile aTmpStorFile;
if ( !aTmpStorFile.GetURL().Len() )
throw uno::RuntimeException();
uno::Reference< lang::XSingleServiceFactory > xStorageFactory(
::comphelper::getProcessServiceFactory()->createInstance(
::rtl::OUString::createFromAscii( "com.sun.star.embed.StorageFactory" ) ),
uno::UNO_QUERY );
OSL_ENSURE( xStorageFactory.is(), "Can't create storage factory!\n" );
if ( !xStorageFactory.is() )
throw uno::RuntimeException();
uno::Sequence< uno::Any > aArg( 2 );
aArg[0] <<= ::rtl::OUString( aTmpStorFile.GetURL() );
aArg[1] <<= embed::ElementModes::READWRITE;
uno::Reference< embed::XStorage > xTempStorage( xStorageFactory->createInstanceWithArguments( aArg ), uno::UNO_QUERY );
OSL_ENSURE( xTempStorage.is(), "Can't open storage!\n" );
if ( !xTempStorage.is() )
throw uno::RuntimeException();
m_xStorage->copyToStorage( xTempStorage );
uno::Reference< lang::XComponent > xComp( xTempStorage, uno::UNO_QUERY );
if ( !xComp.is() )
throw uno::RuntimeException();
xComp->dispose();
SotStorageRef rTempStorage = new SotStorage( TRUE, aTmpStorFile.GetURL(), STREAM_WRITE, STORAGE_TRANSACTED );
if ( !rTempStorage.Is() || rTempStorage->GetError() != ERRCODE_NONE )
throw uno::RuntimeException();
SvStorageInfoList aSubStorInfoList;
m_rSotStorage->FillInfoList( &aSubStorInfoList );
for ( sal_uInt32 nInd = 0; nInd < aSubStorInfoList.Count(); nInd++ )
{
m_rSotStorage->Remove( aSubStorInfoList[nInd].GetName() );
if ( m_rSotStorage->GetError() )
{
m_rSotStorage->ResetError();
throw uno::RuntimeException();
}
}
rTempStorage->CopyTo( m_rSotStorage );
// CopyTo does not transport unknown media type
// just workaround it
uno::Any aMediaType;
if ( rTempStorage->GetProperty( ::rtl::OUString::createFromAscii( "MediaType" ), aMediaType ) )
m_rSotStorage->SetProperty( ::rtl::OUString::createFromAscii( "MediaType" ), aMediaType );
m_rSotStorage->Commit();
}
void SAL_CALL UNOStorageHolder::preRevert( const lang::EventObject& /*aEvent*/ )
throw ( uno::Exception,
uno::RuntimeException )
{
// do nothing
}
void SAL_CALL UNOStorageHolder::reverted( const lang::EventObject& /*aEvent*/ )
throw ( uno::RuntimeException )
{
// do nothing, since reverting of the duplicate storage just means
// not to copy changes done for it to the original storage
}
void SAL_CALL UNOStorageHolder::disposing( const lang::EventObject& /*Source*/ )
throw ( uno::RuntimeException )
{
if ( m_pTempFile )
{
delete m_pTempFile;
m_pTempFile = NULL;
}
if ( m_rSotStorage.Is() )
m_rSotStorage = NULL;
if ( m_pParentStorage )
{
SotStorage* pTmp = m_pParentStorage;
m_pParentStorage = NULL;
pTmp->RemoveUNOStorageHolder( this ); // this statement can lead to destruction of the holder
}
}
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