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diff --git a/sfx2/source/explorer/nochaos.cxx b/sfx2/source/explorer/nochaos.cxx
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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 TypedWhichId<SfxStringItem>(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 ]._bNeedsPoolRegistration = false;
+}
+
+
+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: */