libreoffice/vcl/source/helper/lazydelete.cxx

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#ifndef LAZYDELETE_CXX
#define LAZYDELETE_CXX

#include "vcl/window.hxx"
#include "vcl/menu.hxx"
#include "vcl/lazydelete.hxx"
#include "svdata.hxx"

namespace vcl {

LazyDeletorBase::LazyDeletorBase()
{
}

LazyDeletorBase::~LazyDeletorBase()
{
}

// instantiate instance pointers for LazyDeletor<Window,Menu>
template<> LazyDeletor<Window>* LazyDeletor<Window>::s_pOneInstance = NULL;
template<> LazyDeletor<Menu>* LazyDeletor<Menu>::s_pOneInstance = NULL;

// a list for all LazyeDeletor<T> singletons
static std::vector< LazyDeletorBase* > lcl_aDeletors;

void LazyDelete::addDeletor( LazyDeletorBase* i_pDel )
{
    lcl_aDeletors.push_back( i_pDel );
}

void LazyDelete::flush()
{
    unsigned int nCount = lcl_aDeletors.size();
    for( unsigned int i = 0; i < nCount; i++ )
        delete lcl_aDeletors[i];
    lcl_aDeletors.clear();
}

// specialized is_less function for Window
template<> bool LazyDeletor<Window>::is_less( Window* left, Window* right )
{
    return (left != right && right->IsChild( left, sal_True )) ? true : false;
}

DeleteOnDeinitBase::~DeleteOnDeinitBase()
{
    ImplSVData* pSVData = ImplGetSVData();
    if( pSVData && pSVData->mpDeinitDeleteList != NULL )
        pSVData->mpDeinitDeleteList->remove( this );
}

void DeleteOnDeinitBase::addDeinitContainer( DeleteOnDeinitBase* i_pContainer )
{
    ImplSVData* pSVData = ImplGetSVData();
    if( ! pSVData )
    {
        ImplInitSVData();
        pSVData = ImplGetSVData();
    }

    DBG_ASSERT( ! pSVData->mbDeInit, "DeleteOnDeinit added after DeiInitVCL !" );
    if( pSVData->mbDeInit )
        return;

    if( pSVData->mpDeinitDeleteList == NULL )
        pSVData->mpDeinitDeleteList = new std::list< DeleteOnDeinitBase* >();
    pSVData->mpDeinitDeleteList->push_back( i_pContainer );
}

void DeleteOnDeinitBase::ImplDeleteOnDeInit()
{
    ImplSVData* pSVData = ImplGetSVData();
    if( pSVData->mpDeinitDeleteList )
    {
        for( std::list< vcl::DeleteOnDeinitBase* >::iterator it = pSVData->mpDeinitDeleteList->begin();
             it != pSVData->mpDeinitDeleteList->end(); ++it )
        {
            (*it)->doCleanup();
        }
        delete pSVData->mpDeinitDeleteList;
        pSVData->mpDeinitDeleteList = NULL;
    }
}

} // namespace vcl

#endif

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