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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org 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 version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
#include <hintids.hxx>
#include <editeng/brshitem.hxx>
#include <flyfrm.hxx>
#include <rootfrm.hxx>
#include <txtfrm.hxx>
#include <sectfrm.hxx>
#include <section.hxx>
#include <viewsh.hxx>
#include <viewopt.hxx>
#include <doc.hxx>
#include <frmatr.hxx>
#include <pagefrm.hxx>
#include <pagedesc.hxx>
#include <fmtanchr.hxx>
#include <fldbas.hxx>
#include <dcontact.hxx>
#include <accmap.hxx>
#include <accfrmobjslist.hxx>
#include <accfrmobjmap.hxx>
#include <accframe.hxx>
using namespace sw::access;
// Regarding visibilily (or in terms of accessibility: regarding the showing
// state): A frame is visible and therfor contained in the tree if its frame
// size overlaps with the visible area. The bounding box however is the
// frame's paint area.
/* static */ sal_Int32 SwAccessibleFrame::GetChildCount( SwAccessibleMap& rAccMap,
const SwRect& rVisArea,
const SwFrm *pFrm,
sal_Bool bInPagePreview )
{
sal_Int32 nCount = 0;
const SwAccessibleChildSList aVisList( rVisArea, *pFrm, rAccMap );
SwAccessibleChildSList::const_iterator aIter( aVisList.begin() );
while( aIter != aVisList.end() )
{
const SwAccessibleChild& rLower = *aIter;
if( rLower.IsAccessible( bInPagePreview ) )
{
nCount++;
}
else if( rLower.GetSwFrm() )
{
// There are no unaccessible SdrObjects that count
nCount += GetChildCount( rAccMap,
rVisArea, rLower.GetSwFrm(),
bInPagePreview );
}
++aIter;
}
return nCount;
}
/* static */ SwAccessibleChild SwAccessibleFrame::GetChild(
SwAccessibleMap& rAccMap,
const SwRect& rVisArea,
const SwFrm& rFrm,
sal_Int32& rPos,
sal_Bool bInPagePreview )
{
SwAccessibleChild aRet;
if( rPos >= 0 )
{
if( SwAccessibleChildMap::IsSortingRequired( rFrm ) )
{
// We need a sorted list here
const SwAccessibleChildMap aVisMap( rVisArea, rFrm, rAccMap );
SwAccessibleChildMap::const_iterator aIter( aVisMap.begin() );
while( aIter != aVisMap.end() && !aRet.IsValid() )
{
const SwAccessibleChild& rLower = (*aIter).second;
if( rLower.IsAccessible( bInPagePreview ) )
{
if( 0 == rPos )
aRet = rLower;
else
rPos--;
}
else if( rLower.GetSwFrm() )
{
// There are no unaccessible SdrObjects that count
aRet = GetChild( rAccMap,
rVisArea, *(rLower.GetSwFrm()), rPos,
bInPagePreview );
}
++aIter;
}
}
else
{
// The unsorted list is sorted enough, because it return lower
// frames in the correct order.
const SwAccessibleChildSList aVisList( rVisArea, rFrm, rAccMap );
SwAccessibleChildSList::const_iterator aIter( aVisList.begin() );
while( aIter != aVisList.end() && !aRet.IsValid() )
{
const SwAccessibleChild& rLower = *aIter;
if( rLower.IsAccessible( bInPagePreview ) )
{
if( 0 == rPos )
aRet = rLower;
else
rPos--;
}
else if( rLower.GetSwFrm() )
{
// There are no unaccessible SdrObjects that count
aRet = GetChild( rAccMap,
rVisArea, *(rLower.GetSwFrm()), rPos,
bInPagePreview );
}
++aIter;
}
}
}
return aRet;
}
/* static */ sal_Bool SwAccessibleFrame::GetChildIndex(
SwAccessibleMap& rAccMap,
const SwRect& rVisArea,
const SwFrm& rFrm,
const SwAccessibleChild& rChild,
sal_Int32& rPos,
sal_Bool bInPagePreview )
{
sal_Bool bFound = sal_False;
if( SwAccessibleChildMap::IsSortingRequired( rFrm ) )
{
// We need a sorted list here
const SwAccessibleChildMap aVisMap( rVisArea, rFrm, rAccMap );
SwAccessibleChildMap::const_iterator aIter( aVisMap.begin() );
while( aIter != aVisMap.end() && !bFound )
{
const SwAccessibleChild& rLower = (*aIter).second;
if( rLower.IsAccessible( bInPagePreview ) )
{
if( rChild == rLower )
bFound = sal_True;
else
rPos++;
}
else if( rLower.GetSwFrm() )
{
// There are no unaccessible SdrObjects that count
bFound = GetChildIndex( rAccMap,
rVisArea, *(rLower.GetSwFrm()), rChild,
rPos, bInPagePreview );
}
++aIter;
}
}
else
{
// The unsorted list is sorted enough, because it return lower
// frames in the correct order.
const SwAccessibleChildSList aVisList( rVisArea, rFrm, rAccMap );
SwAccessibleChildSList::const_iterator aIter( aVisList.begin() );
while( aIter != aVisList.end() && !bFound )
{
const SwAccessibleChild& rLower = *aIter;
if( rLower.IsAccessible( bInPagePreview ) )
{
if( rChild == rLower )
bFound = sal_True;
else
rPos++;
}
else if( rLower.GetSwFrm() )
{
// There are no unaccessible SdrObjects that count
bFound = GetChildIndex( rAccMap,
rVisArea, *(rLower.GetSwFrm()), rChild,
rPos, bInPagePreview );
}
++aIter;
}
}
return bFound;
}
SwAccessibleChild SwAccessibleFrame::GetChildAtPixel( const SwRect& rVisArea,
const SwFrm& rFrm,
const Point& rPixPos,
sal_Bool bInPagePreview,
SwAccessibleMap& rAccMap )
{
SwAccessibleChild aRet;
if( SwAccessibleChildMap::IsSortingRequired( rFrm ) )
{
// We need a sorted list here, and we have to reverse iterate,
// because objects in front should be returned.
const SwAccessibleChildMap aVisMap( rVisArea, rFrm, rAccMap );
SwAccessibleChildMap::const_reverse_iterator aRIter( aVisMap.rbegin() );
while( aRIter != aVisMap.rend() && !aRet.IsValid() )
{
const SwAccessibleChild& rLower = (*aRIter).second;
// A frame is returned if it's frame size is inside the visarea
// and the positiion is inside the frame's paint area.
if( rLower.IsAccessible( bInPagePreview ) )
{
SwRect aLogBounds( rLower.GetBounds( rAccMap ) );
if( !aLogBounds.IsEmpty() )
{
Rectangle aPixBounds( rAccMap.CoreToPixel( aLogBounds.SVRect() ) );
if( aPixBounds.IsInside( rPixPos ) )
aRet = rLower;
}
}
else if( rLower.GetSwFrm() )
{
// There are no unaccessible SdrObjects that count
aRet = GetChildAtPixel( rVisArea, *(rLower.GetSwFrm()), rPixPos,
bInPagePreview, rAccMap );
}
++aRIter;
}
}
else
{
// The unsorted list is sorted enough, because it returns lower
// frames in the correct order. Morover, we can iterate forward,
// because the lowers don't overlap!
const SwAccessibleChildSList aVisList( rVisArea, rFrm, rAccMap );
SwAccessibleChildSList::const_iterator aIter( aVisList.begin() );
while( aIter != aVisList.end() && !aRet.IsValid() )
{
const SwAccessibleChild& rLower = *aIter;
// A frame is returned if it's frame size is inside the visarea
// and the positiion is inside the frame's paint area.
if( rLower.IsAccessible( bInPagePreview ) )
{
SwRect aLogBounds( rLower.GetBounds( rAccMap ) );
if( !aLogBounds.IsEmpty() )
{
Rectangle aPixBounds( rAccMap.CoreToPixel( aLogBounds.SVRect() ) );
if( aPixBounds.IsInside( rPixPos ) )
aRet = rLower;
}
}
else if( rLower.GetSwFrm() )
{
// There are no unaccessible SdrObjects that count
aRet = GetChildAtPixel( rVisArea, *(rLower.GetSwFrm()), rPixPos,
bInPagePreview, rAccMap );
}
++aIter;
}
}
return aRet;
}
/* static */ void SwAccessibleFrame::GetChildren( SwAccessibleMap& rAccMap,
const SwRect& rVisArea,
const SwFrm& rFrm,
::std::list< SwAccessibleChild >& rChildren,
sal_Bool bInPagePreview )
{
if( SwAccessibleChildMap::IsSortingRequired( rFrm ) )
{
// We need a sorted list here
const SwAccessibleChildMap aVisMap( rVisArea, rFrm, rAccMap );
SwAccessibleChildMap::const_iterator aIter( aVisMap.begin() );
while( aIter != aVisMap.end() )
{
const SwAccessibleChild& rLower = (*aIter).second;
if( rLower.IsAccessible( bInPagePreview ) )
{
rChildren.push_back( rLower );
}
else if( rLower.GetSwFrm() )
{
// There are no unaccessible SdrObjects that count
GetChildren( rAccMap, rVisArea, *(rLower.GetSwFrm()),
rChildren, bInPagePreview );
}
++aIter;
}
}
else
{
// The unsorted list is sorted enough, because it return lower
// frames in the correct order.
const SwAccessibleChildSList aVisList( rVisArea, rFrm, rAccMap );
SwAccessibleChildSList::const_iterator aIter( aVisList.begin() );
while( aIter != aVisList.end() )
{
const SwAccessibleChild& rLower = *aIter;
if( rLower.IsAccessible( bInPagePreview ) )
{
rChildren.push_back( rLower );
}
else if( rLower.GetSwFrm() )
{
// There are no unaccessible SdrObjects that count
GetChildren( rAccMap, rVisArea, *(rLower.GetSwFrm()),
rChildren, bInPagePreview );
}
++aIter;
}
}
}
SwRect SwAccessibleFrame::GetBounds( const SwAccessibleMap& rAccMap,
const SwFrm *pFrm )
{
if( !pFrm )
pFrm = GetFrm();
SwAccessibleChild aFrm( pFrm );
SwRect aBounds( aFrm.GetBounds( rAccMap ).Intersection( maVisArea ) );
return aBounds;
}
sal_Bool SwAccessibleFrame::IsEditable( ViewShell *pVSh ) const
{
const SwFrm *pFrm = GetFrm();
if( !pFrm )
return sal_False;
OSL_ENSURE( pVSh, "no view shell" );
if( pVSh && (pVSh->GetViewOptions()->IsReadonly() ||
pVSh->IsPreView()) )
return sal_False;
if( !pFrm->IsRootFrm() && pFrm->IsProtected() )
return sal_False;
return sal_True;
}
sal_Bool SwAccessibleFrame::IsOpaque( ViewShell *pVSh ) const
{
SwAccessibleChild aFrm( GetFrm() );
if( !aFrm.GetSwFrm() )
return sal_False;
OSL_ENSURE( pVSh, "no view shell" );
if( !pVSh )
return sal_False;
const SwViewOption *pVOpt = pVSh->GetViewOptions();
do
{
const SwFrm *pFrm = aFrm.GetSwFrm();
if( pFrm->IsRootFrm() )
return sal_True;
if( pFrm->IsPageFrm() && !pVOpt->IsPageBack() )
return sal_False;
const SvxBrushItem &rBack = pFrm->GetAttrSet()->GetBackground();
if( !rBack.GetColor().GetTransparency() ||
rBack.GetGraphicPos() != GPOS_NONE )
return sal_True;
// If a fly frame has a transparent background color, we have to consider the background.
// But a background color "no fill"/"auto fill" has *not* to be considered.
if( pFrm->IsFlyFrm() &&
(rBack.GetColor().GetTransparency() != 0) &&
(rBack.GetColor() != COL_TRANSPARENT)
)
return sal_True;
if( pFrm->IsSctFrm() )
{
const SwSection* pSection = ((SwSectionFrm*)pFrm)->GetSection();
if( pSection && ( TOX_HEADER_SECTION == pSection->GetType() ||
TOX_CONTENT_SECTION == pSection->GetType() ) &&
!pVOpt->IsReadonly() &&
SwViewOption::IsIndexShadings() )
return sal_True;
}
if( pFrm->IsFlyFrm() )
aFrm = static_cast<const SwFlyFrm*>(pFrm)->GetAnchorFrm();
else
aFrm = pFrm->GetUpper();
} while( aFrm.GetSwFrm() && !aFrm.IsAccessible( IsInPagePreview() ) );
return sal_False;
}
SwAccessibleFrame::SwAccessibleFrame( const SwRect& rVisArea,
const SwFrm *pF,
sal_Bool bIsPagePreview ) :
maVisArea( rVisArea ),
mpFrm( pF ),
mbIsInPagePreview( bIsPagePreview )
{
}
SwAccessibleFrame::~SwAccessibleFrame()
{
}
/* static */ const SwFrm* SwAccessibleFrame::GetParent( const SwAccessibleChild& rFrmOrObj,
sal_Bool bInPagePreview )
{
return rFrmOrObj.GetParent( bInPagePreview );
}
String SwAccessibleFrame::GetFormattedPageNumber() const
{
sal_uInt16 nPageNum = GetFrm()->GetVirtPageNum();
sal_uInt32 nFmt = GetFrm()->FindPageFrm()->GetPageDesc()
->GetNumType().GetNumberingType();
if( SVX_NUM_NUMBER_NONE == nFmt )
nFmt = SVX_NUM_ARABIC;
String sRet( FormatNumber( nPageNum, nFmt ) );
return sRet;
}
sal_Int32 SwAccessibleFrame::GetChildCount( SwAccessibleMap& rAccMap ) const
{
return GetChildCount( rAccMap, maVisArea, mpFrm, IsInPagePreview() );
}
sw::access::SwAccessibleChild SwAccessibleFrame::GetChild(
SwAccessibleMap& rAccMap,
sal_Int32 nPos ) const
{
return SwAccessibleFrame::GetChild( rAccMap, maVisArea, *mpFrm, nPos, IsInPagePreview() );
}
sal_Int32 SwAccessibleFrame::GetChildIndex( SwAccessibleMap& rAccMap,
const sw::access::SwAccessibleChild& rChild ) const
{
sal_Int32 nPos = 0;
return GetChildIndex( rAccMap, maVisArea, *mpFrm, rChild, nPos, IsInPagePreview() )
? nPos
: -1L;
}
sw::access::SwAccessibleChild SwAccessibleFrame::GetChildAtPixel(
const Point& rPos,
SwAccessibleMap& rAccMap ) const
{
return GetChildAtPixel( maVisArea, *mpFrm, rPos, IsInPagePreview(), rAccMap );
}
void SwAccessibleFrame::GetChildren( SwAccessibleMap& rAccMap,
::std::list< sw::access::SwAccessibleChild >& rChildren ) const
{
GetChildren( rAccMap, maVisArea, *mpFrm, rChildren, IsInPagePreview() );
}
sal_Bool SwAccessibleFrame::IsShowing( const SwAccessibleMap& rAccMap,
const sw::access::SwAccessibleChild& rFrmOrObj ) const
{
return IsShowing( rFrmOrObj.GetBox( rAccMap ) );
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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