Files
libreoffice/sw/source/core/access/acccell.cxx
Michael Stahl 8552bd76dc sw: add some more obviously missing mutex guards
... to methods added in 76c549eb01

Change-Id: I32101ec882420babb394af6db5cd56d1035acf4a
2013-12-13 23:39:41 +01:00

515 lines
16 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* 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 .
*/
#include <osl/mutex.hxx>
#include <com/sun/star/accessibility/AccessibleRole.hpp>
#include <com/sun/star/accessibility/AccessibleStateType.hpp>
#include <com/sun/star/accessibility/AccessibleEventId.hpp>
#include <unotools/accessiblestatesethelper.hxx>
#include <comphelper/servicehelper.hxx>
#include <cppuhelper/supportsservice.hxx>
#include <vcl/svapp.hxx>
#include <cellfrm.hxx>
#include <tabfrm.hxx>
#include <swtable.hxx>
#include "crsrsh.hxx"
#include "viscrs.hxx"
#include <accfrmobj.hxx>
#include <accfrmobjslist.hxx>
#include "frmfmt.hxx"
#include "cellatr.hxx"
#include "accmap.hxx"
#include <acccell.hxx>
#include <cfloat>
#include <limits.h>
#include <ndtxt.hxx>
#include <editeng/brushitem.hxx>
#include <swatrset.hxx>
#include <frmatr.hxx>
#include "acctable.hxx"
using namespace ::com::sun::star;
using namespace ::com::sun::star::accessibility;
using namespace sw::access;
const sal_Char sServiceName[] = "com.sun.star.table.AccessibleCellView";
const sal_Char sImplementationName[] = "com.sun.star.comp.Writer.SwAccessibleCellView";
sal_Bool SwAccessibleCell::IsSelected()
{
sal_Bool bRet = sal_False;
OSL_ENSURE( GetMap(), "no map?" );
const SwViewShell *pVSh = GetMap()->GetShell();
OSL_ENSURE( pVSh, "no shell?" );
if( pVSh->ISA( SwCrsrShell ) )
{
const SwCrsrShell *pCSh = static_cast< const SwCrsrShell * >( pVSh );
if( pCSh->IsTableMode() )
{
const SwCellFrm *pCFrm =
static_cast< const SwCellFrm * >( GetFrm() );
SwTableBox *pBox =
const_cast< SwTableBox *>( pCFrm->GetTabBox() );
SwSelBoxes const& rBoxes(pCSh->GetTableCrsr()->GetSelectedBoxes());
bRet = rBoxes.find(pBox) != rBoxes.end();
}
}
return bRet;
}
void SwAccessibleCell::GetStates( ::utl::AccessibleStateSetHelper& rStateSet )
{
SwAccessibleContext::GetStates( rStateSet );
// SELECTABLE
const SwViewShell *pVSh = GetMap()->GetShell();
OSL_ENSURE( pVSh, "no shell?" );
if( pVSh->ISA( SwCrsrShell ) )
rStateSet.AddState( AccessibleStateType::SELECTABLE );
//Add resizable state to table cell.
rStateSet.AddState( AccessibleStateType::RESIZABLE );
// SELECTED
if( IsSelected() )
{
rStateSet.AddState( AccessibleStateType::SELECTED );
OSL_ENSURE( bIsSelected, "bSelected out of sync" );
::rtl::Reference < SwAccessibleContext > xThis( this );
GetMap()->SetCursorContext( xThis );
}
}
SwAccessibleCell::SwAccessibleCell( SwAccessibleMap *pInitMap,
const SwCellFrm *pCellFrm )
: SwAccessibleContext( pInitMap, AccessibleRole::TABLE_CELL, pCellFrm )
, aSelectionHelper( *this )
, bIsSelected( sal_False )
{
SolarMutexGuard aGuard;
OUString sBoxName( pCellFrm->GetTabBox()->GetName() );
SetName( sBoxName );
bIsSelected = IsSelected();
css::uno::Reference<css::accessibility::XAccessible> xTableReference(
getAccessibleParent());
css::uno::Reference<css::accessibility::XAccessibleContext> xContextTable(
xTableReference, css::uno::UNO_QUERY);
SAL_WARN_IF(
(!xContextTable.is()
|| xContextTable->getAccessibleRole() != AccessibleRole::TABLE),
"sw.core", "bad accessible context");
m_pAccTable = static_cast<SwAccessibleTable *>(xTableReference.get());
}
sal_Bool SwAccessibleCell::_InvalidateMyCursorPos()
{
sal_Bool bNew = IsSelected();
sal_Bool bOld;
{
osl::MutexGuard aGuard( aMutex );
bOld = bIsSelected;
bIsSelected = bNew;
}
if( bNew )
{
// remember that object as the one that has the caret. This is
// necessary to notify that object if the cursor leaves it.
::rtl::Reference < SwAccessibleContext > xThis( this );
GetMap()->SetCursorContext( xThis );
}
sal_Bool bChanged = bOld != bNew;
if( bChanged )
{
FireStateChangedEvent( AccessibleStateType::SELECTED, bNew );
if (m_pAccTable.is())
{
m_pAccTable->AddSelectionCell(this,bNew);
}
}
return bChanged;
}
sal_Bool SwAccessibleCell::_InvalidateChildrenCursorPos( const SwFrm *pFrm )
{
sal_Bool bChanged = sal_False;
const SwAccessibleChildSList aVisList( GetVisArea(), *pFrm, *GetMap() );
SwAccessibleChildSList::const_iterator aIter( aVisList.begin() );
while( aIter != aVisList.end() )
{
const SwAccessibleChild& rLower = *aIter;
const SwFrm *pLower = rLower.GetSwFrm();
if( pLower )
{
if( rLower.IsAccessible( GetMap()->GetShell()->IsPreview() ) )
{
::rtl::Reference< SwAccessibleContext > xAccImpl(
GetMap()->GetContextImpl( pLower, sal_False ) );
if( xAccImpl.is() )
{
OSL_ENSURE( xAccImpl->GetFrm()->IsCellFrm(),
"table child is not a cell frame" );
bChanged = static_cast< SwAccessibleCell *>(
xAccImpl.get() )->_InvalidateMyCursorPos();
}
else
bChanged = sal_True; // If the context is not know we
// don't know whether the selection
// changed or not.
}
else
{
// This is a box with sub rows.
bChanged |= _InvalidateChildrenCursorPos( pLower );
}
}
++aIter;
}
return bChanged;
}
void SwAccessibleCell::_InvalidateCursorPos()
{
if (IsSelected())
{
const SwAccessibleChild aChild( GetChild( *(GetMap()), 0 ) );
if( aChild.IsValid() && aChild.GetSwFrm() )
{
::rtl::Reference < SwAccessibleContext > xChildImpl( GetMap()->GetContextImpl( aChild.GetSwFrm()) );
if (xChildImpl.is())
{
AccessibleEventObject aEvent;
aEvent.EventId = AccessibleEventId::STATE_CHANGED;
aEvent.NewValue <<= AccessibleStateType::FOCUSED;
xChildImpl->FireAccessibleEvent( aEvent );
}
}
}
const SwFrm *pParent = GetParent( SwAccessibleChild(GetFrm()), IsInPagePreview() );
OSL_ENSURE( pParent->IsTabFrm(), "parent is not a tab frame" );
const SwTabFrm *pTabFrm = static_cast< const SwTabFrm * >( pParent );
if( pTabFrm->IsFollow() )
pTabFrm = pTabFrm->FindMaster();
while( pTabFrm )
{
_InvalidateChildrenCursorPos( pTabFrm );
pTabFrm = pTabFrm->GetFollow();
}
if (m_pAccTable.is())
{
m_pAccTable->FireSelectionEvent();
}
}
sal_Bool SwAccessibleCell::HasCursor()
{
osl::MutexGuard aGuard( aMutex );
return bIsSelected;
}
SwAccessibleCell::~SwAccessibleCell()
{
}
OUString SAL_CALL SwAccessibleCell::getAccessibleDescription (void)
throw (uno::RuntimeException)
{
return GetName();
}
OUString SAL_CALL SwAccessibleCell::getImplementationName()
throw( uno::RuntimeException )
{
return OUString(sImplementationName);
}
sal_Bool SAL_CALL SwAccessibleCell::supportsService(const OUString& sTestServiceName)
throw (uno::RuntimeException)
{
return cppu::supportsService(this, sTestServiceName);
}
uno::Sequence< OUString > SAL_CALL SwAccessibleCell::getSupportedServiceNames()
throw( uno::RuntimeException )
{
uno::Sequence< OUString > aRet(2);
OUString* pArray = aRet.getArray();
pArray[0] = OUString(sServiceName );
pArray[1] = OUString(sAccessibleServiceName );
return aRet;
}
void SwAccessibleCell::Dispose( sal_Bool bRecursive )
{
const SwFrm *pParent = GetParent( SwAccessibleChild(GetFrm()), IsInPagePreview() );
::rtl::Reference< SwAccessibleContext > xAccImpl(
GetMap()->GetContextImpl( pParent, sal_False ) );
if( xAccImpl.is() )
xAccImpl->DisposeChild( SwAccessibleChild(GetFrm()), bRecursive );
SwAccessibleContext::Dispose( bRecursive );
}
void SwAccessibleCell::InvalidatePosOrSize( const SwRect& rOldBox )
{
const SwFrm *pParent = GetParent( SwAccessibleChild(GetFrm()), IsInPagePreview() );
::rtl::Reference< SwAccessibleContext > xAccImpl(
GetMap()->GetContextImpl( pParent, sal_False ) );
if( xAccImpl.is() )
xAccImpl->InvalidateChildPosOrSize( SwAccessibleChild(GetFrm()), rOldBox );
SwAccessibleContext::InvalidatePosOrSize( rOldBox );
}
// XAccessibleInterface
uno::Any SwAccessibleCell::queryInterface( const uno::Type& rType )
throw( uno::RuntimeException )
{
if (rType == ::getCppuType((const uno::Reference<XAccessibleExtendedAttributes>*)0))
{
uno::Any aR;
aR <<= uno::Reference<XAccessibleExtendedAttributes>(this);
return aR;
}
if (rType == ::getCppuType((const uno::Reference<XAccessibleSelection>*)0))
{
uno::Any aR;
aR <<= uno::Reference<XAccessibleSelection>(this);
return aR;
}
if ( rType == ::getCppuType( static_cast< uno::Reference< XAccessibleValue > * >( 0 ) ) )
{
uno::Reference<XAccessibleValue> xValue = this;
uno::Any aRet;
aRet <<= xValue;
return aRet;
}
else
{
return SwAccessibleContext::queryInterface( rType );
}
}
// XTypeProvider
uno::Sequence< uno::Type > SAL_CALL SwAccessibleCell::getTypes()
throw(uno::RuntimeException)
{
uno::Sequence< uno::Type > aTypes( SwAccessibleContext::getTypes() );
sal_Int32 nIndex = aTypes.getLength();
aTypes.realloc( nIndex + 1 );
uno::Type* pTypes = aTypes.getArray();
pTypes[nIndex] = ::getCppuType( static_cast< uno::Reference< XAccessibleValue > * >( 0 ) );
return aTypes;
}
namespace
{
class theSwAccessibleCellImplementationId : public rtl::Static< UnoTunnelIdInit, theSwAccessibleCellImplementationId > {};
}
uno::Sequence< sal_Int8 > SAL_CALL SwAccessibleCell::getImplementationId()
throw(uno::RuntimeException)
{
return theSwAccessibleCellImplementationId::get().getSeq();
}
// XAccessibleValue
SwFrmFmt* SwAccessibleCell::GetTblBoxFormat() const
{
OSL_ENSURE( GetFrm() != NULL, "no frame?" );
OSL_ENSURE( GetFrm()->IsCellFrm(), "no cell frame?" );
const SwCellFrm* pCellFrm = static_cast<const SwCellFrm*>( GetFrm() );
return pCellFrm->GetTabBox()->GetFrmFmt();
}
//Implement TableCell currentValue
uno::Any SwAccessibleCell::getCurrentValue( )
throw( uno::RuntimeException )
{
SolarMutexGuard aGuard;
CHECK_FOR_DEFUNC( XAccessibleValue );
uno::Any aAny;
aAny <<= GetTblBoxFormat()->GetTblBoxValue().GetValue();
return aAny;
}
sal_Bool SwAccessibleCell::setCurrentValue( const uno::Any& aNumber )
throw( uno::RuntimeException )
{
SolarMutexGuard aGuard;
CHECK_FOR_DEFUNC( XAccessibleValue );
double fValue = 0;
sal_Bool bValid = (aNumber >>= fValue);
if( bValid )
{
SwTblBoxValue aValue( fValue );
GetTblBoxFormat()->SetFmtAttr( aValue );
}
return bValid;
}
uno::Any SwAccessibleCell::getMaximumValue( )
throw( uno::RuntimeException )
{
uno::Any aAny;
aAny <<= DBL_MAX;
return aAny;
}
uno::Any SwAccessibleCell::getMinimumValue( )
throw( uno::RuntimeException )
{
uno::Any aAny;
aAny <<= -DBL_MAX;
return aAny;
}
static OUString ReplaceOneChar(OUString oldOUString, OUString replacedChar, OUString replaceStr)
{
int iReplace = -1;
iReplace = oldOUString.lastIndexOf(replacedChar);
if (iReplace > -1)
{
for(;iReplace>-1;)
{
oldOUString = oldOUString.replaceAt(iReplace,1, replaceStr);
iReplace=oldOUString.lastIndexOf(replacedChar,iReplace);
}
}
return oldOUString;
}
static OUString ReplaceFourChar(OUString oldOUString)
{
oldOUString = ReplaceOneChar(oldOUString,OUString("\\"),OUString("\\\\"));
oldOUString = ReplaceOneChar(oldOUString,OUString(";"),OUString("\\;"));
oldOUString = ReplaceOneChar(oldOUString,OUString("="),OUString("\\="));
oldOUString = ReplaceOneChar(oldOUString,OUString(","),OUString("\\,"));
oldOUString = ReplaceOneChar(oldOUString,OUString(":"),OUString("\\:"));
return oldOUString;
}
::com::sun::star::uno::Any SAL_CALL SwAccessibleCell::getExtendedAttributes()
throw (::com::sun::star::lang::IndexOutOfBoundsException, ::com::sun::star::uno::RuntimeException)
{
SolarMutexGuard g;
::com::sun::star::uno::Any strRet;
SwFrmFmt *pFrmFmt = GetTblBoxFormat();
DBG_ASSERT(pFrmFmt,"Must be Valid");
const SwTblBoxFormula& tbl_formula = pFrmFmt->GetTblBoxFormula();
OUString strFormula = ReplaceFourChar(tbl_formula.GetFormula());
OUString strFor("Formula:");
strFor += strFormula;
strFor += ";" ;
strRet <<= strFor;
return strRet;
}
sal_Int32 SAL_CALL SwAccessibleCell::getBackground()
throw (::com::sun::star::uno::RuntimeException)
{
SolarMutexGuard g;
const SvxBrushItem &rBack = GetFrm()->GetAttrSet()->GetBackground();
sal_uInt32 crBack = rBack.GetColor().GetColor();
if (COL_AUTO == crBack)
{
uno::Reference<XAccessible> xAccDoc = getAccessibleParent();
if (xAccDoc.is())
{
uno::Reference<XAccessibleComponent> xCompoentDoc(xAccDoc, uno::UNO_QUERY);
if (xCompoentDoc.is())
{
crBack = (sal_uInt32)xCompoentDoc->getBackground();
}
}
}
return crBack;
}
//===== XAccessibleSelection ============================================
void SwAccessibleCell::selectAccessibleChild(
sal_Int32 nChildIndex )
throw ( lang::IndexOutOfBoundsException, uno::RuntimeException )
{
aSelectionHelper.selectAccessibleChild(nChildIndex);
}
sal_Bool SwAccessibleCell::isAccessibleChildSelected(
sal_Int32 nChildIndex )
throw ( lang::IndexOutOfBoundsException, uno::RuntimeException )
{
return aSelectionHelper.isAccessibleChildSelected(nChildIndex);
}
void SwAccessibleCell::clearAccessibleSelection( )
throw ( uno::RuntimeException )
{
aSelectionHelper.clearAccessibleSelection();
}
void SwAccessibleCell::selectAllAccessibleChildren( )
throw ( uno::RuntimeException )
{
aSelectionHelper.selectAllAccessibleChildren();
}
sal_Int32 SwAccessibleCell::getSelectedAccessibleChildCount( )
throw ( uno::RuntimeException )
{
return aSelectionHelper.getSelectedAccessibleChildCount();
}
uno::Reference<XAccessible> SwAccessibleCell::getSelectedAccessibleChild(
sal_Int32 nSelectedChildIndex )
throw ( lang::IndexOutOfBoundsException, uno::RuntimeException)
{
return aSelectionHelper.getSelectedAccessibleChild(nSelectedChildIndex);
}
void SwAccessibleCell::deselectAccessibleChild(
sal_Int32 nSelectedChildIndex )
throw ( lang::IndexOutOfBoundsException, uno::RuntimeException )
{
aSelectionHelper.deselectAccessibleChild(nSelectedChildIndex);
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */