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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0 .
*/
#include <limits.h>
#include <svl/itempool.hxx>
#include <svl/itemset.hxx>
#include <svl/poolcach.hxx>
// STATIC DATA -----------------------------------------------------------
DBG_NAME(SfxItemPoolCache)
SfxItemPoolCache::SfxItemPoolCache( SfxItemPool *pItemPool,
const SfxPoolItem *pPutItem ):
pPool(pItemPool),
pCache(new SfxItemModifyArr_Impl),
pSetToPut( 0 ),
pItemToPut( &pItemPool->Put(*pPutItem) )
{
DBG_CTOR(SfxItemPoolCache, 0);
DBG_ASSERT(pItemPool, "kein Pool angegeben");
}
SfxItemPoolCache::SfxItemPoolCache( SfxItemPool *pItemPool,
const SfxItemSet *pPutSet ):
pPool(pItemPool),
pCache(new SfxItemModifyArr_Impl),
pSetToPut( pPutSet ),
pItemToPut( 0 )
{
DBG_CTOR(SfxItemPoolCache, 0);
DBG_ASSERT(pItemPool, "kein Pool angegeben");
}
SfxItemPoolCache::~SfxItemPoolCache()
{
DBG_DTOR(SfxItemPoolCache, 0);
for ( size_t nPos = 0; nPos < pCache->size(); ++nPos ) {
pPool->Remove( *(*pCache)[nPos].pPoolItem );
pPool->Remove( *(*pCache)[nPos].pOrigItem );
}
delete pCache; pCache = 0;
if ( pItemToPut )
pPool->Remove( *pItemToPut );
}
const SfxSetItem& SfxItemPoolCache::ApplyTo( const SfxSetItem &rOrigItem, bool bNew )
{
DBG_CHKTHIS(SfxItemPoolCache, 0);
DBG_ASSERT( pPool == rOrigItem.GetItemSet().GetPool(), "invalid Pool" );
DBG_ASSERT( IsDefaultItem( &rOrigItem ) || IsPooledItem( &rOrigItem ),
"original not in pool" );
// Find whether this Transformations ever occurred
for ( size_t nPos = 0; nPos < pCache->size(); ++nPos )
{
SfxItemModifyImpl &rMapEntry = (*pCache)[nPos];
if ( rMapEntry.pOrigItem == &rOrigItem )
{
// aendert sich ueberhaupt etwas?
if ( rMapEntry.pPoolItem != &rOrigItem )
{
rMapEntry.pPoolItem->AddRef(2); // einen davon fuer den Cache
if ( bNew )
pPool->Put( rOrigItem ); //! AddRef??
}
return *rMapEntry.pPoolItem;
}
}
// die neue Attributierung in einem neuen Set eintragen
SfxSetItem *pNewItem = (SfxSetItem *)rOrigItem.Clone();
if ( pItemToPut )
{
pNewItem->GetItemSet().PutDirect( *pItemToPut );
DBG_ASSERT( &pNewItem->GetItemSet().Get( pItemToPut->Which() ) == pItemToPut,
"wrong item in temporary set" );
}
else
pNewItem->GetItemSet().Put( *pSetToPut );
const SfxSetItem* pNewPoolItem = (const SfxSetItem*) &pPool->Put( *pNewItem );
DBG_ASSERT( pNewPoolItem != pNewItem, "Pool: rein == raus?" );
delete pNewItem;
// Refernzzaehler anpassen, je einen davon fuer den Cache
pNewPoolItem->AddRef( pNewPoolItem != &rOrigItem ? 2 : 1 );
if ( bNew )
pPool->Put( rOrigItem ); //! AddRef??
// die Transformation im Cache eintragen
SfxItemModifyImpl aModify;
aModify.pOrigItem = &rOrigItem;
aModify.pPoolItem = (SfxSetItem*) pNewPoolItem;
pCache->push_back( aModify );
DBG_ASSERT( !pItemToPut ||
&pNewPoolItem->GetItemSet().Get( pItemToPut->Which() ) == pItemToPut,
"wrong item in resulting set" );
return *pNewPoolItem;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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