Files
libreoffice/sw/source/core/access/accmap.cxx
2002-02-20 16:55:57 +00:00

310 lines
8.6 KiB
C++

/*************************************************************************
*
* $RCSfile: accmap.cxx,v $
*
* $Revision: 1.4 $
*
* last change: $Author: mib $ $Date: 2002-02-20 17:55:57 $
*
* The Contents of this file are made available subject to the terms of
* either of the following licenses
*
* - GNU Lesser General Public License Version 2.1
* - Sun Industry Standards Source License Version 1.1
*
* Sun Microsystems Inc., October, 2000
*
* GNU Lesser General Public License Version 2.1
* =============================================
* Copyright 2000 by Sun Microsystems, Inc.
* 901 San Antonio Road, Palo Alto, CA 94303, USA
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1, as published by the Free Software Foundation.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
*
* Sun Industry Standards Source License Version 1.1
* =================================================
* The contents of this file are subject to the Sun Industry Standards
* Source License Version 1.1 (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.openoffice.org/license.html.
*
* Software provided under this License is provided on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
* WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
* MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
* See the License for the specific provisions governing your rights and
* obligations concerning the Software.
*
* The Initial Developer of the Original Code is: Sun Microsystems, Inc.
*
* Copyright: 2000 by Sun Microsystems, Inc.
*
* All Rights Reserved.
*
* Contributor(s): _______________________________________
*
*
************************************************************************/
#ifdef PRECOMPILED
#include "core_pch.hxx"
#endif
#pragma hdrstop
#ifndef _VOS_REF_HXX_
#include <vos/ref.hxx>
#endif
#ifndef _CPPUHELPER_WEAKREF_HXX_
#include <cppuhelper/weakref.hxx>
#endif
#ifndef __SGI_STL_MAP
#include <map>
#endif
#ifndef _ACCMAP_HXX
#include <accmap.hxx>
#endif
#ifndef _ACCCONTEXT_HXX
#include <acccontext.hxx>
#endif
#ifndef _ACCDOC_HXX
#include <accdoc.hxx>
#endif
#ifndef _ACCPARA_HXX
#include <accpara.hxx>
#endif
#ifndef _DOC_HXX
#include <doc.hxx>
#endif
#ifndef _VIEWSH_HXX
#include <viewsh.hxx>
#endif
#ifndef _ROOTFRM_HXX
#include <rootfrm.hxx>
#endif
#ifndef _TXTFRM_HXX
#include <txtfrm.hxx>
#endif
using namespace ::com::sun::star::uno;
using namespace ::drafts::com::sun::star::accessibility;
using namespace ::rtl;
struct SwFrmFunc
{
sal_Bool operator()( const SwFrm * p1,
const SwFrm * p2) const
{
return p1 < p2;
}
};
typedef ::std::map < const SwFrm *, WeakReference < XAccessible >, SwFrmFunc > _SwAccessibleMap_Impl;
class SwAccessibleMap_Impl: public _SwAccessibleMap_Impl
{
};
SwAccessibleMap::SwAccessibleMap( ViewShell *pSh ) :
pMap( 0 ),
pVSh( pSh ),
nPara( 1 )
{
}
SwAccessibleMap::~SwAccessibleMap()
{
vos::OGuard aGuard( aMutex );
if( pMap )
{
Reference < XAccessible > xAcc;
const SwRootFrm *pRootFrm = GetShell()->GetDoc()->GetRootFrm();
SwAccessibleMap_Impl::iterator aIter = pMap->find( pRootFrm );
if( aIter != pMap->end() )
xAcc = (*aIter).second;
if( !xAcc.is() )
xAcc = new SwAccessibleDocument( this );
SwAccessibleDocument *pAcc = (SwAccessibleDocument *)xAcc.get();
pAcc->Dispose( sal_True );
}
delete pMap;
}
Reference< XAccessible > SwAccessibleMap::GetDocumentView()
{
vos::OGuard aGuard( aMutex );
Reference < XAccessible > xAcc;
if( !pMap )
pMap = new SwAccessibleMap_Impl;
const SwRootFrm *pRootFrm = GetShell()->GetDoc()->GetRootFrm();
SwAccessibleMap_Impl::iterator aIter = pMap->find( pRootFrm );
if( aIter != pMap->end() )
xAcc = (*aIter).second;
if( xAcc.is() )
{
SwAccessibleDocument *pAcc = (SwAccessibleDocument *)xAcc.get();
pAcc->SetVisArea( GetShell()->VisArea().SVRect() );
}
else
{
xAcc = new SwAccessibleDocument( this );
if( aIter != pMap->end() )
{
(*aIter).second = xAcc;
}
else
{
SwAccessibleMap_Impl::value_type aEntry( pRootFrm, xAcc );
pMap->insert( aEntry );
}
}
return xAcc;
}
Reference< XAccessible> SwAccessibleMap::GetContext( const SwFrm *pFrm,
sal_Bool bCreate )
{
vos::OGuard aGuard( aMutex );
Reference < XAccessible > xAcc;
if( !pMap && bCreate )
pMap = new SwAccessibleMap_Impl;
if( pMap )
{
SwAccessibleMap_Impl::iterator aIter = pMap->find( pFrm );
if( aIter != pMap->end() )
xAcc = (*aIter).second;
if( !xAcc.is() && bCreate )
{
if( pFrm->IsTxtFrm() )
xAcc = new SwAccessibleParagraph( this, nPara++,
(const SwTxtFrm *)pFrm );
ASSERT( xAcc.is(), "unknown frame type" );
if( xAcc.is() )
{
if( aIter != pMap->end() )
{
(*aIter).second = xAcc;
}
else
{
SwAccessibleMap_Impl::value_type aEntry( pFrm, xAcc );
pMap->insert( aEntry );
}
}
}
}
return xAcc;
}
::vos::ORef < SwAccessibleContext > SwAccessibleMap::GetContextImpl(
const SwFrm *pFrm,
sal_Bool bCreate )
{
Reference < XAccessible > xAcc( GetContext( pFrm, bCreate ) );
::vos::ORef < SwAccessibleContext > xAccImpl(
(SwAccessibleContext *)xAcc.get() );
return xAccImpl;
}
void SwAccessibleMap::RemoveContext( SwAccessibleContext *pAcc )
{
vos::OGuard aGuard( aMutex );
if( pMap )
{
SwAccessibleMap_Impl::iterator aIter = pMap->find( pAcc->GetFrm() );
if( aIter != pMap->end() )
{
pMap->erase( aIter );
if( pMap->empty() )
{
delete pMap;
pMap = 0;
}
}
}
}
void SwAccessibleMap::DisposeFrm( const SwFrm *pFrm )
{
if( SwAccessibleContext::IsAccessible( pFrm ) )
{
vos::OGuard aGuard( aMutex );
if( pMap )
{
SwAccessibleMap_Impl::iterator aIter = pMap->find( pFrm );
if( aIter != pMap->end() )
{
Reference < XAccessible > xAcc = (*aIter).second;
if( xAcc.is() )
((SwAccessibleContext *)xAcc.get())->Dispose();
}
}
}
}
void SwAccessibleMap::MoveFrm( const SwFrm *pFrm, const SwRect& rOldFrm )
{
if( SwAccessibleContext::IsAccessible( pFrm ) )
{
vos::OGuard aGuard( aMutex );
if( pMap )
{
SwAccessibleMap_Impl::iterator aIter = pMap->find( pFrm );
if( aIter != pMap->end() )
{
// If there is an accesible object already it is
// notified directly.
Reference < XAccessible > xAcc = (*aIter).second;
((SwAccessibleContext *)xAcc.get())->PosChanged();
}
else
{
// Otherwise we look if the parent is accessible.
// If not, there is nothing to do.
const SwLayoutFrm *pUpper = pFrm->GetUpper();
while( pUpper && !SwAccessibleContext::IsAccessible( pUpper ) )
pUpper = pUpper->GetUpper();
if( pUpper )
{
aIter = pMap->find( pUpper );
if( aIter != pMap->end() )
{
Reference < XAccessible > xAcc = (*aIter).second;
((SwAccessibleContext *)xAcc.get())
->ChildPosChanged( pFrm, rOldFrm );
}
}
}
}
}
}