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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>
SfxItemPoolCache::SfxItemPoolCache( SfxItemPool *pItemPool,
const SfxPoolItem *pPutItem ):
pPool(pItemPool),
pSetToPut( nullptr ),
pItemToPut( &pItemPool->Put(*pPutItem) )
{
DBG_ASSERT(pItemPool, "No Pool provided");
}
SfxItemPoolCache::SfxItemPoolCache( SfxItemPool *pItemPool,
const SfxItemSet *pPutSet ):
pPool(pItemPool),
pSetToPut( pPutSet ),
pItemToPut( nullptr )
{
DBG_ASSERT(pItemPool, "No Pool provided");
}
SfxItemPoolCache::~SfxItemPoolCache()
{
for (SfxItemModifyImpl & rImpl : m_aCache) {
pPool->Remove( *rImpl.pPoolItem );
pPool->Remove( *rImpl.pOrigItem );
}
if ( pItemToPut )
pPool->Remove( *pItemToPut );
}
const SfxSetItem& SfxItemPoolCache::ApplyTo( const SfxSetItem &rOrigItem )
{
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 (SfxItemModifyImpl & rMapEntry : m_aCache)
{
if ( rMapEntry.pOrigItem == &rOrigItem )
{
// Did anything change at all?
if ( rMapEntry.pPoolItem != &rOrigItem )
{
rMapEntry.pPoolItem->AddRef(2); // One for the cache
pPool->Put( rOrigItem ); //FIXME: AddRef?
}
return *rMapEntry.pPoolItem;
}
}
// Insert the new attributes in a new Set
std::unique_ptr<SfxSetItem> pNewItem(static_cast<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 = static_cast<const SfxSetItem*>(&pPool->Put( *pNewItem ));
DBG_ASSERT( pNewPoolItem != pNewItem.get(), "Pool: same in and out?" );
pNewItem.reset();
// Adapt refcount; one each for the cache
pNewPoolItem->AddRef( pNewPoolItem != &rOrigItem ? 2 : 1 );
pPool->Put( rOrigItem ); //FIXME: AddRef?
// Add the transformation to the cache
SfxItemModifyImpl aModify;
aModify.pOrigItem = &rOrigItem;
aModify.pPoolItem = const_cast<SfxSetItem*>(pNewPoolItem);
m_aCache.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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