/* -*- 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 <vcl/accessibility/AccessibleBrowseBoxHeaderBar.hxx>

#include <vcl/accessibletableprovider.hxx>

#include <vcl/unohelp.hxx>

#include <com/sun/star/lang/IndexOutOfBoundsException.hpp>

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;

// Ctor/Dtor/disposing --------------------------------------------------------

AccessibleBrowseBoxHeaderBar::AccessibleBrowseBoxHeaderBar(

        const Reference< XAccessible >& rxParent,

        vcl::IAccessibleTableProvider& rBrowseBox,

        AccessibleBrowseBoxObjType eObjType ) :

    AccessibleBrowseBoxTableBase( rxParent, rBrowseBox,eObjType )

{

    OSL_ENSURE( isRowBar() || isColumnBar(),

        "AccessibleBrowseBoxHeaderBar - invalid object type" );

}

AccessibleBrowseBoxHeaderBar::~AccessibleBrowseBoxHeaderBar()

{

}

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

Reference< XAccessible > SAL_CALL

AccessibleBrowseBoxHeaderBar::getAccessibleChild( sal_Int64 nChildIndex )

{

    SolarMethodGuard aGuard(getMutex());

    ensureIsAlive();

    ensureIsValidHeaderIndex( nChildIndex );

    return implGetChild( nChildIndex, implToVCLColumnPos( nChildIndex ) );

}

sal_Int64 SAL_CALL AccessibleBrowseBoxHeaderBar::getAccessibleIndexInParent()

{

    return isRowBar() ? vcl::BBINDEX_ROWHEADERBAR : vcl::BBINDEX_COLUMNHEADERBAR;

}

// XAccessibleComponent -------------------------------------------------------

Reference< XAccessible > SAL_CALL

AccessibleBrowseBoxHeaderBar::getAccessibleAtPoint( const awt::Point& rPoint )

{

    SolarMethodGuard aGuard(getMutex());

    ensureIsAlive();

    sal_Int32 nRow = 0;

    sal_uInt16 nColumnPos = 0;

    bool bConverted

        = isRowBar()

              ? mpBrowseBox->ConvertPointToRowHeader(nRow, vcl::unohelper::ConvertToVCLPoint(rPoint))

              : mpBrowseBox->ConvertPointToColumnHeader(nColumnPos,

                                                        vcl::unohelper::ConvertToVCLPoint(rPoint));

    return bConverted ? implGetChild( nRow, nColumnPos ) : Reference< XAccessible >();

}

void SAL_CALL AccessibleBrowseBoxHeaderBar::grabFocus()

{

    SolarMethodGuard aGuard(getMutex());

    ensureIsAlive();

    // focus on header not supported

}

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

OUString SAL_CALL AccessibleBrowseBoxHeaderBar::getAccessibleRowDescription( sal_Int32 nRow )

{

    SolarMethodGuard aGuard(getMutex());

    ensureIsAlive();

    ensureIsValidRow( nRow );

    return OUString();  // no headers in headers

}

OUString SAL_CALL AccessibleBrowseBoxHeaderBar::getAccessibleColumnDescription( sal_Int32 nColumn )

{

    SolarMethodGuard aGuard(getMutex());

    ensureIsAlive();

    ensureIsValidColumn( nColumn );

    return OUString();  // no headers in headers

}

Reference< XAccessibleTable > SAL_CALL AccessibleBrowseBoxHeaderBar::getAccessibleRowHeaders()

{

    SolarMethodGuard aGuard(getMutex());

    ensureIsAlive();

    return nullptr;        // no headers in headers

}

Reference< XAccessibleTable > SAL_CALL AccessibleBrowseBoxHeaderBar::getAccessibleColumnHeaders()

{

    SolarMethodGuard aGuard(getMutex());

    ensureIsAlive();

    return nullptr;        // no headers in headers

}

Sequence< sal_Int32 > SAL_CALL AccessibleBrowseBoxHeaderBar::getSelectedAccessibleRows()

{

    SolarMethodGuard aGuard(getMutex());

    ensureIsAlive();

    Sequence< sal_Int32 > aSelSeq;

    // row of column header bar not selectable

    if( isRowBar() )

        implGetSelectedRows( aSelSeq );

    return aSelSeq;

}

Sequence< sal_Int32 > SAL_CALL AccessibleBrowseBoxHeaderBar::getSelectedAccessibleColumns()

{

    SolarMethodGuard aGuard(getMutex());

    ensureIsAlive();

    Sequence< sal_Int32 > aSelSeq;

    // column of row header bar ("handle column") not selectable

    if( isColumnBar() )

        implGetSelectedColumns( aSelSeq );

    return aSelSeq;

}

sal_Bool SAL_CALL AccessibleBrowseBoxHeaderBar::isAccessibleRowSelected( sal_Int32 nRow )

{

    SolarMethodGuard aGuard(getMutex());

    ensureIsAlive();

    ensureIsValidRow( nRow );

    return isRowBar() && implIsRowSelected( nRow );

}

sal_Bool SAL_CALL AccessibleBrowseBoxHeaderBar::isAccessibleColumnSelected( sal_Int32 nColumn )

{

    SolarMethodGuard aGuard(getMutex());

    ensureIsAlive();

    ensureIsValidColumn( nColumn );

    return isColumnBar() && implIsColumnSelected( nColumn );

}

Reference< XAccessible > SAL_CALL AccessibleBrowseBoxHeaderBar::getAccessibleCellAt(

        sal_Int32 nRow, sal_Int32 nColumn )

{

    SolarMethodGuard aGuard(getMutex());

    ensureIsAlive();

    ensureIsValidAddress( nRow, nColumn );

    return implGetChild( nRow, implToVCLColumnPos( nColumn ) );

}

sal_Bool SAL_CALL AccessibleBrowseBoxHeaderBar::isAccessibleSelected(

        sal_Int32 nRow, sal_Int32 nColumn )

{

    SolarMethodGuard aGuard(getMutex());

    ensureIsAlive();

    ensureIsValidAddress( nRow, nColumn );

    return isRowBar() ? implIsRowSelected( nRow ) : implIsColumnSelected( nColumn );

}

// XAccessibleSelection -------------------------------------------------------

void SAL_CALL AccessibleBrowseBoxHeaderBar::selectAccessibleChild( sal_Int64 nChildIndex )

{

    SolarMethodGuard aGuard(getMutex());

    ensureIsAlive();

    ensureIsValidHeaderIndex( nChildIndex );

    if( isRowBar() )

        implSelectRow( nChildIndex, true );

    else

        implSelectColumn( implToVCLColumnPos( nChildIndex ), true );

}

sal_Bool SAL_CALL AccessibleBrowseBoxHeaderBar::isAccessibleChildSelected( sal_Int64 nChildIndex )

{

    // using interface methods - no mutex

    return isRowBar() ?

        isAccessibleRowSelected( nChildIndex ) :

        isAccessibleColumnSelected( nChildIndex );

}

void SAL_CALL AccessibleBrowseBoxHeaderBar::clearAccessibleSelection()

{

    SolarMethodGuard aGuard(getMutex());

    ensureIsAlive();

    mpBrowseBox->SetNoSelection();

}

void SAL_CALL AccessibleBrowseBoxHeaderBar::selectAllAccessibleChildren()

{

    SolarMethodGuard aGuard(getMutex());

    ensureIsAlive();

    // no multiselection of columns possible

    if( isRowBar() )

        mpBrowseBox->SelectAll();

    else

        implSelectColumn( implToVCLColumnPos( 0 ), true );

}

sal_Int64 SAL_CALL AccessibleBrowseBoxHeaderBar::getSelectedAccessibleChildCount()

{

    SolarMethodGuard aGuard(getMutex());

    ensureIsAlive();

    return isRowBar() ? implGetSelectedRowCount() : implGetSelectedColumnCount();

}

Reference< XAccessible > SAL_CALL

AccessibleBrowseBoxHeaderBar::getSelectedAccessibleChild( sal_Int64 nSelectedChildIndex )

{

    SolarMethodGuard aGuard(getMutex());

    ensureIsAlive();

    // method may throw lang::IndexOutOfBoundsException

    sal_Int64 nIndex = implGetChildIndexFromSelectedIndex( nSelectedChildIndex );

    assert(nIndex < std::numeric_limits<sal_Int32>::max());

    return implGetChild( nIndex, implToVCLColumnPos( nIndex ) );

}

void SAL_CALL AccessibleBrowseBoxHeaderBar::deselectAccessibleChild(

        sal_Int64 nSelectedChildIndex )

{

    SolarMethodGuard aGuard(getMutex());

    ensureIsAlive();

    // method may throw lang::IndexOutOfBoundsException

    if ( isAccessibleChildSelected(nSelectedChildIndex) )

    {

        if( isRowBar() )

            implSelectRow( nSelectedChildIndex, false );

        else

            implSelectColumn( implToVCLColumnPos( nSelectedChildIndex ), false );

    }

}

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

Any SAL_CALL AccessibleBrowseBoxHeaderBar::queryInterface( const uno::Type& rType )

{

    Any aAny( AccessibleBrowseBoxTableBase::queryInterface( rType ) );

    return aAny.hasValue() ?

        aAny : AccessibleBrowseBoxHeaderBarImplHelper::queryInterface( rType );

}

void SAL_CALL AccessibleBrowseBoxHeaderBar::acquire() noexcept

{

    AccessibleBrowseBoxTableBase::acquire();

}

void SAL_CALL AccessibleBrowseBoxHeaderBar::release() noexcept

{

    AccessibleBrowseBoxTableBase::release();

}

// XServiceInfo ---------------------------------------------------------------

OUString SAL_CALL AccessibleBrowseBoxHeaderBar::getImplementationName()

{

    return u"com.sun.star.comp.svtools.AccessibleBrowseBoxHeaderBar"_ustr;

}

// internal virtual methods ---------------------------------------------------

tools::Rectangle AccessibleBrowseBoxHeaderBar::implGetBoundingBox()

{

    return mpBrowseBox->calcHeaderRect(isColumnBar());

}

sal_Int32 AccessibleBrowseBoxHeaderBar::implGetRowCount() const

{

    // column header bar: only 1 row

    return isRowBar() ? AccessibleBrowseBoxTableBase::implGetRowCount() : 1;

}

sal_Int32 AccessibleBrowseBoxHeaderBar::implGetColumnCount() const

{

    // row header bar ("handle column"): only 1 column

    return isColumnBar() ? AccessibleBrowseBoxTableBase::implGetColumnCount() : 1;

}

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

Reference< XAccessible > AccessibleBrowseBoxHeaderBar::implGetChild(

        sal_Int32 nRow, sal_uInt16 nColumnPos )

{

    return isRowBar() ?

        mpBrowseBox->CreateAccessibleRowHeader( nRow ) :

        mpBrowseBox->CreateAccessibleColumnHeader( nColumnPos );

}

sal_Int64 AccessibleBrowseBoxHeaderBar::implGetChildIndexFromSelectedIndex(

        sal_Int64 nSelectedChildIndex )

{

    Sequence< sal_Int32 > aSelSeq;

    if( isRowBar() )

        implGetSelectedRows( aSelSeq );

    else

        implGetSelectedColumns( aSelSeq );

    if( (nSelectedChildIndex < 0) || (nSelectedChildIndex >= aSelSeq.getLength()) )

        throw lang::IndexOutOfBoundsException();

    return aSelSeq[ nSelectedChildIndex ];

}

void AccessibleBrowseBoxHeaderBar::ensureIsValidHeaderIndex( sal_Int32 nIndex )

{

    if( isRowBar() )

        ensureIsValidRow( nIndex );

    else

        ensureIsValidColumn( nIndex );

}

/* vim:set shiftwidth=4 softtabstop=4 expandtab: */