svtools/source/misc/itemdel.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 <svtools/itemdel.hxx>
  22 #include <vcl/svapp.hxx>
  23 #include <tools/errcode.hxx>
  24 #include <limits.h>
  25 #include <vector>
  26
  27 #include <svl/itempool.hxx>
  28
  29 // STATIC DATA -----------------------------------------------------------
  30
  31 DBG_NAME(SfxItemDesruptor_Impl);
  32
  33 // -----------------------------------------------------------------------
  34
  35 class SfxItemDesruptor_Impl
  36 {
  37     SfxPoolItem *pItem;
  38     Link         aLink;
  39
  40 private:
  41                  DECL_LINK( Delete, void * );
  42                  SfxItemDesruptor_Impl( const SfxItemDesruptor_Impl& ); // n.i.
  43
  44 public:
  45                  SfxItemDesruptor_Impl( SfxPoolItem *pItemToDesrupt );
  46                  ~SfxItemDesruptor_Impl();
  47 };
  48
  49 // ------------------------------------------------------------------------
  50 SfxItemDesruptor_Impl::SfxItemDesruptor_Impl( SfxPoolItem *pItemToDesrupt ):
  51     pItem(pItemToDesrupt),
  52     aLink( LINK(this, SfxItemDesruptor_Impl, Delete) )
  53 {
  54     DBG_CTOR(SfxItemDesruptor_Impl, 0);
  55
  56     DBG_ASSERT( 0 == pItem->GetRefCount(), "desrupting pooled item" );
  57     pItem->SetKind( SFX_ITEMS_DELETEONIDLE );
  58
  59     // im Idle abarbeiten
  60     GetpApp()->InsertIdleHdl( aLink, 1 );
  61 }
  62
  63 // ------------------------------------------------------------------------
  64 SfxItemDesruptor_Impl::~SfxItemDesruptor_Impl()
  65 {
  66     DBG_DTOR(SfxItemDesruptor_Impl, 0);
  67
  68     // aus Idle-Handler austragen
  69     GetpApp()->RemoveIdleHdl( aLink );
  70
  71     // reset RefCount (was set to SFX_ITEMS_SPECIAL before!)
  72     pItem->SetRefCount( 0 );
  73     //DBG_CHKOBJ( pItem, SfxPoolItem, 0 );
  74     delete pItem;
  75 }
  76
  77 // ------------------------------------------------------------------------
  78 IMPL_LINK_NOARG(SfxItemDesruptor_Impl, Delete)
  79 {
  80     {DBG_CHKTHIS(SfxItemDesruptor_Impl, 0);}
  81     delete this;
  82     return 0;
  83 }
  84
  85 // ------------------------------------------------------------------------
  86 SfxPoolItem* DeleteItemOnIdle( SfxPoolItem* pItem )
  87 {
  88     DBG_ASSERT( 0 == pItem->GetRefCount(), "deleting item in use" );
  89     new SfxItemDesruptor_Impl( pItem );
  90     return pItem;
  91 }
  92
  93 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */