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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 <sal/config.h>
#include <svl/itempool.hxx>
#include <svl/poolitem.hxx>
#include <svl/stritem.hxx>
#include <nochaos.hxx>
#include <memory>
#define WID_CHAOS_START 500
namespace {
class CntItemPool;
class CntStaticPoolDefaults_Impl
{
static const sal_uInt32 m_nItems = 1;
std::vector<SfxPoolItem*> mvDefaults;
std::unique_ptr<SfxItemInfo[]> m_pItemInfos;
private:
inline void Insert( SfxPoolItem* pItem );
public:
explicit CntStaticPoolDefaults_Impl();
~CntStaticPoolDefaults_Impl();
CntStaticPoolDefaults_Impl(const CntStaticPoolDefaults_Impl&) = delete;
CntStaticPoolDefaults_Impl& operator=(const CntStaticPoolDefaults_Impl&) = delete;
std::vector<SfxPoolItem*>* GetDefaults() { return &mvDefaults; }
const SfxItemInfo* GetItemInfos() const { return m_pItemInfos.get(); }
};
class CntItemPool: public SfxItemPool
{
static CntItemPool* _pThePool;
sal_uInt16 _nRefs;
protected:
CntItemPool();
virtual ~CntItemPool() override;
public:
static CntItemPool* Acquire();
static sal_uInt16 Release();
};
}
// static
SfxItemPool* NoChaos::GetItemPool()
{
// Get and hold CHAOS item pool.
return CntItemPool::Acquire();
}
// static
sal_uInt16 NoChaos::ReleaseItemPool()
{
// Release CHAOS item pool.
return CntItemPool::Release();
}
// CntItemPool implementation
static CntStaticPoolDefaults_Impl* pPoolDefs_Impl = nullptr;
// static member!
CntItemPool* CntItemPool::_pThePool = nullptr;
CntItemPool::CntItemPool()
: SfxItemPool( "chaos", WID_CHAOS_START, WID_CHAOS_START, nullptr ),
_nRefs( 0 )
{
FreezeIdRanges();
// Create static defaults.
pPoolDefs_Impl = new CntStaticPoolDefaults_Impl;
// Set item infos.
SetItemInfos( pPoolDefs_Impl->GetItemInfos() );
// Set static pool default items.
SetDefaults( pPoolDefs_Impl->GetDefaults() );
}
//virtual
CntItemPool::~CntItemPool()
{
// Release static pool default items.
ReleaseDefaults();
}
// static
CntItemPool* CntItemPool::Acquire()
{
if ( !_pThePool )
_pThePool = new CntItemPool;
_pThePool->_nRefs++;
return _pThePool;
}
// static
sal_uInt16 CntItemPool::Release()
{
if ( !_pThePool )
return 0;
sal_uInt16& nRefs = _pThePool->_nRefs;
if ( nRefs )
--nRefs;
if ( !nRefs )
{
delete _pThePool;
_pThePool = nullptr;
delete pPoolDefs_Impl;
pPoolDefs_Impl = nullptr;
return 0;
}
return nRefs;
}
// CntStaticPoolDefaults_Impl implementation.
inline void CntStaticPoolDefaults_Impl::Insert(
SfxPoolItem* pItem /* Static Pool Default Item */ )
{
sal_uInt16 nPos = pItem->Which() - WID_CHAOS_START;
mvDefaults[ nPos ] = pItem;
m_pItemInfos[ nPos ]._nSID = 0;
m_pItemInfos[ nPos ]._bPoolable = true;
}
CntStaticPoolDefaults_Impl::~CntStaticPoolDefaults_Impl()
{
for ( sal_uInt32 n = 0; n < m_nItems; ++n )
delete mvDefaults[ n ];
}
CntStaticPoolDefaults_Impl::CntStaticPoolDefaults_Impl()
: mvDefaults( m_nItems, nullptr ),
m_pItemInfos( new SfxItemInfo [ m_nItems ] )
{
memset( m_pItemInfos.get(), 0, sizeof( SfxItemInfo ) * m_nItems );
Insert( new SfxStringItem( WID_CHAOS_START, OUString() ) );
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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