Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 187 insertions, 0 deletions

diff --git a/sfx2/source/explorer/nochaos.cxx b/sfx2/source/explorer/nochaos.cxx
new file mode 100644
index 000000000..ad4bd2343
--- /dev/null
+++ b/sfx2/source/explorer/nochaos.cxx
@@ -0,0 +1,187 @@
+/* -*- 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: */