xref: /trunk/main/svtools/source/misc/itemdel.cxx (revision cf6516809c57e1bb0a940545cca99cdad54d4ce2)

/**************************************************************
 *
 * 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
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 *
 *************************************************************/



// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_svtools.hxx"

#include <svtools/itemdel.hxx>
#include <vcl/svapp.hxx>
#include <tools/errcode.hxx>
#include <limits.h>

#include <svtools/svtdata.hxx>
#include <svl/svarray.hxx>
#include <svl/itempool.hxx>

// STATIC DATA -----------------------------------------------------------

DBG_NAME(SfxItemDesruptor_Impl);

// -----------------------------------------------------------------------

class SfxItemDesruptor_Impl
{
    SfxPoolItem *pItem;
    Link         aLink;

private:
                 DECL_LINK( Delete, void * );
                 SfxItemDesruptor_Impl( const SfxItemDesruptor_Impl& ); // n.i.

public:
                 SfxItemDesruptor_Impl( SfxPoolItem *pItemToDesrupt );
                 ~SfxItemDesruptor_Impl();
};

SV_DECL_PTRARR( SfxItemDesruptorList_Impl, SfxItemDesruptor_Impl*, 4, 4 )

// ------------------------------------------------------------------------
SfxItemDesruptor_Impl::SfxItemDesruptor_Impl( SfxPoolItem *pItemToDesrupt ):
    pItem(pItemToDesrupt),
    aLink( LINK(this, SfxItemDesruptor_Impl, Delete) )
{
    DBG_CTOR(SfxItemDesruptor_Impl, 0);

    DBG_ASSERT( 0 == pItem->GetRefCount(), "desrupting pooled item" );
    pItem->SetKind( SFX_ITEMS_DELETEONIDLE );

    // im Idle abarbeiten
    GetpApp()->InsertIdleHdl( aLink, 1 );

    // und in Liste eintragen (damit geflusht werden kann)
    SfxItemDesruptorList_Impl* &rpList = ImpSvtData::GetSvtData().pItemDesruptList;
    if ( !rpList )
        rpList = new SfxItemDesruptorList_Impl;
    const SfxItemDesruptor_Impl *pThis = this;
    rpList->Insert( pThis, rpList->Count() );
}

// ------------------------------------------------------------------------
SfxItemDesruptor_Impl::~SfxItemDesruptor_Impl()
{
    DBG_DTOR(SfxItemDesruptor_Impl, 0);

    // aus Idle-Handler austragen
    GetpApp()->RemoveIdleHdl( aLink );

    // und aus Liste austragen
    SfxItemDesruptorList_Impl* &rpList = ImpSvtData::GetSvtData().pItemDesruptList;
    DBG_ASSERT( rpList, "no DesruptorList" );
    const SfxItemDesruptor_Impl *pThis = this;
    if ( rpList ) HACK(warum?)
        rpList->Remove( rpList->GetPos(pThis) );

    // reset RefCount (was set to SFX_ITEMS_SPECIAL before!)
    pItem->SetRefCount( 0 );
    //DBG_CHKOBJ( pItem, SfxPoolItem, 0 );
    delete pItem;
}

// ------------------------------------------------------------------------
IMPL_LINK( SfxItemDesruptor_Impl, Delete, void *, EMPTYARG )
{
    {DBG_CHKTHIS(SfxItemDesruptor_Impl, 0);}
    delete this;
    return 0;
}

// ------------------------------------------------------------------------
SfxPoolItem* DeleteItemOnIdle( SfxPoolItem* pItem )
{
    DBG_ASSERT( 0 == pItem->GetRefCount(), "deleting item in use" );
    new SfxItemDesruptor_Impl( pItem );
    return pItem;
}

// ------------------------------------------------------------------------
void DeleteOnIdleItems()
{
    SfxItemDesruptorList_Impl* &rpList
     = ImpSvtData::GetSvtData().pItemDesruptList;
    if ( rpList )
    {
        sal_uInt16 n;
        while ( 0 != ( n = rpList->Count() ) )
            // Remove ist implizit im Dtor
            delete rpList->GetObject( n-1 );
        DELETEZ(rpList);
    }
}