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path: root/accessibility/source/extended/AccessibleGridControlTableBase.cxx
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/*************************************************************************
 *
 * 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.
 *
 ************************************************************************/

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


#include "accessibility/extended/AccessibleGridControlTableBase.hxx"
#include <svtools/accessibletable.hxx>
#include <tools/multisel.hxx>
#include <comphelper/sequence.hxx>

// ============================================================================

using ::rtl::OUString;

using ::com::sun::star::uno::Reference;
using ::com::sun::star::uno::Sequence;
using ::com::sun::star::uno::Any;

using namespace ::com::sun::star;
using namespace ::com::sun::star::accessibility;
using namespace ::svt;
using namespace ::svt::table;

// ============================================================================

namespace accessibility {

// ============================================================================

DBG_NAME( AccessibleGridControlTableBase )

AccessibleGridControlTableBase::AccessibleGridControlTableBase(
        const Reference< XAccessible >& rxParent,
        IAccessibleTable& rTable,
        AccessibleTableControlObjType eObjType ) :
    GridControlAccessibleElement( rxParent, rTable, eObjType )
{
}

AccessibleGridControlTableBase::~AccessibleGridControlTableBase()
{
}

// XAccessibleContext ---------------------------------------------------------

sal_Int32 SAL_CALL AccessibleGridControlTableBase::getAccessibleChildCount()
    throw ( uno::RuntimeException )
{
    TCSolarGuard aSolarGuard;
    ::osl::MutexGuard aGuard( getOslMutex() );
    ensureIsAlive();
    sal_Int32 nChildren = 0;
    if(m_eObjType == TCTYPE_ROWHEADERBAR)
        nChildren = m_aTable.GetRowCount();
    else if(m_eObjType == TCTYPE_TABLE)
        nChildren = m_aTable.GetRowCount()*m_aTable.GetColumnCount();
    else if(m_eObjType == TCTYPE_COLUMNHEADERBAR)
        nChildren = m_aTable.GetColumnCount();
    return nChildren;
}

sal_Int16 SAL_CALL AccessibleGridControlTableBase::getAccessibleRole()
    throw ( uno::RuntimeException )
{
    ensureIsAlive();
    return AccessibleRole::TABLE;
}

// XAccessibleTable -----------------------------------------------------------

sal_Int32 SAL_CALL AccessibleGridControlTableBase::getAccessibleRowCount()
    throw ( uno::RuntimeException )
{
    TCSolarGuard aSolarGuard;
    ::osl::MutexGuard aGuard( getOslMutex() );
    ensureIsAlive();
    return  m_aTable.GetRowCount();
}

sal_Int32 SAL_CALL AccessibleGridControlTableBase::getAccessibleColumnCount()
    throw ( uno::RuntimeException )
{
    TCSolarGuard aSolarGuard;
    ::osl::MutexGuard aGuard( getOslMutex() );
    ensureIsAlive();
    return m_aTable.GetColumnCount();
}

sal_Int32 SAL_CALL AccessibleGridControlTableBase::getAccessibleRowExtentAt(
        sal_Int32 nRow, sal_Int32 nColumn )
    throw ( lang::IndexOutOfBoundsException, uno::RuntimeException )
{
    TCSolarGuard aSolarGuard;
    ::osl::MutexGuard aGuard( getOslMutex() );
    ensureIsAlive();
    ensureIsValidAddress( nRow, nColumn );
    return 1;   // merged cells not supported
}

sal_Int32 SAL_CALL AccessibleGridControlTableBase::getAccessibleColumnExtentAt(
        sal_Int32 nRow, sal_Int32 nColumn )
    throw ( lang::IndexOutOfBoundsException, uno::RuntimeException )
{
    TCSolarGuard aSolarGuard;
    ::osl::MutexGuard aGuard( getOslMutex() );
    ensureIsAlive();
    ensureIsValidAddress( nRow, nColumn );
    return 1;   // merged cells not supported
}

Reference< XAccessible > SAL_CALL AccessibleGridControlTableBase::getAccessibleCaption()
    throw ( uno::RuntimeException )
{
    ensureIsAlive();
    return NULL;    // not supported
}

Reference< XAccessible > SAL_CALL AccessibleGridControlTableBase::getAccessibleSummary()
    throw ( uno::RuntimeException )
{
    ensureIsAlive();
    return NULL;    // not supported
}

sal_Int32 SAL_CALL AccessibleGridControlTableBase::getAccessibleIndex(
        sal_Int32 nRow, sal_Int32 nColumn )
    throw ( lang::IndexOutOfBoundsException, uno::RuntimeException )
{
    TCSolarGuard aSolarGuard;
    ::osl::MutexGuard aGuard( getOslMutex() );
    ensureIsAlive();
    ensureIsValidAddress( nRow, nColumn );
    return implGetChildIndex( nRow, nColumn );
}

sal_Int32 SAL_CALL AccessibleGridControlTableBase::getAccessibleRow( sal_Int32 nChildIndex )
    throw ( lang::IndexOutOfBoundsException, uno::RuntimeException )
{
    TCSolarGuard aSolarGuard;
    ::osl::MutexGuard aGuard( getOslMutex() );
    ensureIsAlive();
    ensureIsValidIndex( nChildIndex );
    return implGetRow( nChildIndex );
}

sal_Int32 SAL_CALL AccessibleGridControlTableBase::getAccessibleColumn( sal_Int32 nChildIndex )
    throw ( lang::IndexOutOfBoundsException, uno::RuntimeException )
{
    TCSolarGuard aSolarGuard;
    ::osl::MutexGuard aGuard( getOslMutex() );
    ensureIsAlive();
    ensureIsValidIndex( nChildIndex );
    return implGetColumn( nChildIndex );
}

// XInterface -----------------------------------------------------------------

Any SAL_CALL AccessibleGridControlTableBase::queryInterface( const uno::Type& rType )
    throw ( uno::RuntimeException )
{
    Any aAny( GridControlAccessibleElement::queryInterface( rType ) );
    return aAny.hasValue() ?
        aAny : AccessibleGridControlTableImplHelper::queryInterface( rType );
}

void SAL_CALL AccessibleGridControlTableBase::acquire() throw ()
{
    GridControlAccessibleElement::acquire();
}

void SAL_CALL AccessibleGridControlTableBase::release() throw ()
{
    GridControlAccessibleElement::release();
}

// XTypeProvider --------------------------------------------------------------

Sequence< uno::Type > SAL_CALL AccessibleGridControlTableBase::getTypes()
    throw ( uno::RuntimeException )
{
    return ::comphelper::concatSequences(
        GridControlAccessibleElement::getTypes(),
        AccessibleGridControlTableImplHelper::getTypes() );
}

Sequence< sal_Int8 > SAL_CALL AccessibleGridControlTableBase::getImplementationId()
    throw ( uno::RuntimeException )
{
    ::osl::MutexGuard aGuard( getOslGlobalMutex() );
    static Sequence< sal_Int8 > aId;
    implCreateUuid( aId );
    return aId;
}

// internal helper methods ----------------------------------------------------

sal_Int32 AccessibleGridControlTableBase::implGetChildCount() const
{
    return m_aTable.GetRowCount()*m_aTable.GetColumnCount();
}

sal_Int32 AccessibleGridControlTableBase::implGetRow( sal_Int32 nChildIndex ) const
{
    sal_Int32 nColumns = m_aTable.GetColumnCount();
    return nColumns ? (nChildIndex / nColumns) : 0;
}

sal_Int32 AccessibleGridControlTableBase::implGetColumn( sal_Int32 nChildIndex ) const
{
    sal_Int32 nColumns = m_aTable.GetColumnCount();
    return nColumns ? (nChildIndex % nColumns) : 0;
}

sal_Int32 AccessibleGridControlTableBase::implGetChildIndex(
        sal_Int32 nRow, sal_Int32 nColumn ) const
{
    return nRow * m_aTable.GetColumnCount() + nColumn;
}

void AccessibleGridControlTableBase::implGetSelectedRows( Sequence< sal_Int32 >& rSeq )
{
    sal_Int32 const selectionCount( m_aTable.GetSelectedRowCount() );
    rSeq.realloc( selectionCount );
    for ( sal_Int32 i=0; i<selectionCount; ++i )
        rSeq[i] = m_aTable.GetSelectedRowIndex(i);
}

void AccessibleGridControlTableBase::ensureIsValidRow( sal_Int32 nRow )
    throw ( lang::IndexOutOfBoundsException )
{
    if( nRow >= m_aTable.GetRowCount() )
        throw lang::IndexOutOfBoundsException(
            OUString( RTL_CONSTASCII_USTRINGPARAM( "row index is invalid" ) ), *this );
}

void AccessibleGridControlTableBase::ensureIsValidColumn( sal_Int32 nColumn )
    throw ( lang::IndexOutOfBoundsException )
{
    if( nColumn >= m_aTable.GetColumnCount() )
        throw lang::IndexOutOfBoundsException(
            OUString( RTL_CONSTASCII_USTRINGPARAM("column index is invalid") ), *this );
}

void AccessibleGridControlTableBase::ensureIsValidAddress(
        sal_Int32 nRow, sal_Int32 nColumn )
    throw ( lang::IndexOutOfBoundsException )
{
    ensureIsValidRow( nRow );
    ensureIsValidColumn( nColumn );
}

void AccessibleGridControlTableBase::ensureIsValidIndex( sal_Int32 nChildIndex )
    throw ( lang::IndexOutOfBoundsException )
{
    if( nChildIndex >= implGetChildCount() )
        throw lang::IndexOutOfBoundsException(
            OUString( RTL_CONSTASCII_USTRINGPARAM("child index is invalid") ), *this );
}

// ============================================================================

} // namespace accessibility

// ============================================================================