sfx2/source/explorer/nochaos.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20
  21 #include <svl/itempool.hxx>
  22 #include <svl/poolitem.hxx>
  23 #include <svl/stritem.hxx>
  24 #include <nochaos.hxx>
  25 #include <sfx2/sfxuno.hxx>
  26
  27
  28 #define WID_CHAOS_START 500
  29 //=========================================================================
  30 // class CntStaticPoolDefaults_Impl
  31 //=========================================================================
  32
  33 class CntItemPool;
  34
  35 class CntStaticPoolDefaults_Impl
  36 {
  37     sal_uInt32        m_nItems;
  38     SfxPoolItem** m_ppDefaults;
  39     SfxItemInfo*  m_pItemInfos;
  40
  41 private:
  42     // Forbidden and not implemented...
  43     CntStaticPoolDefaults_Impl( const CntStaticPoolDefaults_Impl& );
  44     CntStaticPoolDefaults_Impl& operator=( const CntStaticPoolDefaults_Impl& );
  45
  46     inline void Insert( SfxPoolItem* pItem, sal_uInt16 nSID, sal_uInt16 nFlags );
  47
  48 public:
  49     CntStaticPoolDefaults_Impl( CntItemPool* pPool );
  50     ~CntStaticPoolDefaults_Impl();
  51
  52     SfxPoolItem**      GetDefaults() const  { return m_ppDefaults; }
  53     const SfxItemInfo* GetItemInfos() const { return m_pItemInfos; }
  54 };
  55
  56 //----------------------------------------------------------------------------
  57
  58 //=========================================================================
  59
  60 class CntItemPool: public SfxItemPool
  61 {
  62     static CntItemPool* _pThePool;
  63     sal_uInt16              _nRefs;
  64
  65 protected:
  66              CntItemPool();
  67     virtual ~CntItemPool();
  68
  69 public:
  70     static CntItemPool* Acquire();
  71     static sal_uInt16       Release();
  72 };
  73
  74 //----------------------------------------------------------------------------
  75
  76 //----------------------------------------------------------------------------
  77 // static
  78 SfxItemPool* NoChaos::GetItemPool()
  79 {
  80     // Get and hold CHAOS item pool.
  81     return CntItemPool::Acquire();
  82 }
  83
  84 //----------------------------------------------------------------------------
  85 // static
  86 sal_uInt16 NoChaos::ReleaseItemPool()
  87 {
  88     // Release CHAOS item pool.
  89     return CntItemPool::Release();
  90 }
  91
  92 //=========================================================================
  93 //  CntItemPool implementation
  94 //=========================================================================
  95
  96 static CntStaticPoolDefaults_Impl* pPoolDefs_Impl = NULL;
  97
  98 // static member!
  99 CntItemPool* CntItemPool::_pThePool = NULL;
 100
 101 //-------------------------------------------------------------------------
 102 CntItemPool::CntItemPool()
 103 : SfxItemPool( "chaos", WID_CHAOS_START, WID_CHAOS_START, NULL ),
 104   _nRefs( 0 )
 105 {
 106     SetFileFormatVersion( SOFFICE_FILEFORMAT_50 );
 107
 108     FreezeIdRanges();
 109
 110     // Create static defaults.
 111     pPoolDefs_Impl = new CntStaticPoolDefaults_Impl( this );
 112
 113     // Set item infos.
 114     SetItemInfos( pPoolDefs_Impl->GetItemInfos() );
 115
 116     // Set static pool default items.
 117     SetDefaults( pPoolDefs_Impl->GetDefaults() );
 118 }
 119
 120 //-------------------------------------------------------------------------
 121 //virtual
 122 CntItemPool::~CntItemPool()
 123 {
 124     // Release static pool default items.
 125     ReleaseDefaults( sal_False );
 126 }
 127
 128 //-------------------------------------------------------------------------
 129 // static
 130 CntItemPool* CntItemPool::Acquire()
 131 {
 132     if ( !_pThePool )
 133         _pThePool = new CntItemPool;
 134
 135     _pThePool->_nRefs++;
 136
 137     return _pThePool;
 138 }
 139
 140 //-------------------------------------------------------------------------
 141 // static
 142 sal_uInt16 CntItemPool::Release()
 143 {
 144     if ( !_pThePool )
 145         return 0;
 146
 147     sal_uInt16& nRefs = _pThePool->_nRefs;
 148
 149     if ( nRefs )
 150         --nRefs;
 151
 152     if ( !nRefs )
 153     {
 154         DELETEZ( _pThePool );
 155         DELETEZ( pPoolDefs_Impl );
 156         return 0;
 157     }
 158
 159     return nRefs;
 160 }
 161
 162 //=========================================================================
 163 // CntStaticPoolDefaults_Impl implementation.
 164 //=========================================================================
 165
 166 inline void CntStaticPoolDefaults_Impl::Insert(
 167          SfxPoolItem* pItem,        /* Static Pool Default Item */
 168          sal_uInt16 nSID, sal_uInt16 nFlags  /* Item Info */    )
 169 {
 170     sal_uInt16 nPos = pItem->Which() - WID_CHAOS_START;
 171
 172     m_ppDefaults[ nPos ]         = pItem;
 173     m_pItemInfos[ nPos ]._nSID   = nSID;
 174     m_pItemInfos[ nPos ]._nFlags = nFlags;
 175 }
 176
 177 //-------------------------------------------------------------------------
 178 CntStaticPoolDefaults_Impl::~CntStaticPoolDefaults_Impl()
 179 {
 180     for ( sal_uInt32 n = 0; n < m_nItems; ++n )
 181         delete m_ppDefaults[ n ];
 182
 183     delete [] m_ppDefaults;
 184     delete [] m_pItemInfos;
 185 }
 186
 187 //-------------------------------------------------------------------------
 188 CntStaticPoolDefaults_Impl::CntStaticPoolDefaults_Impl( CntItemPool* /*pPool*/ )
 189 : m_nItems( 1 ),
 190   m_ppDefaults( new SfxPoolItem* [ m_nItems ] ),
 191   m_pItemInfos( new SfxItemInfo  [ m_nItems ] )
 192 {
 193     memset( m_ppDefaults, 0, sizeof( SfxPoolItem* ) * m_nItems );
 194     memset( m_pItemInfos, 0, sizeof( SfxItemInfo ) * m_nItems );
 195     Insert(
 196         new SfxStringItem( WID_CHAOS_START, String() ),
 197         0,
 198         SFX_ITEM_POOLABLE );
 199 }
 200
 201 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */