/* -*- 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/AccessibleBrowseBoxTableCell.hxx>

#include <vcl/accessibletableprovider.hxx>
#include <vcl/unohelp.hxx>
#include <com/sun/star/accessibility/AccessibleStateType.hpp>
#include <com/sun/star/lang/IndexOutOfBoundsException.hpp>

namespace
{
    /// @throws css::lang::IndexOutOfBoundsException
    void checkIndex_Impl( sal_Int32 _nIndex, std::u16string_view _sText )
    {
        if ( _nIndex >= static_cast<sal_Int32>(_sText.size()) )
            throw css::lang::IndexOutOfBoundsException();
    }

    sal_Int32 getIndex_Impl( sal_Int32 _nRow, sal_uInt16 _nColumn, sal_uInt16 _nColumnCount )
    {
        return _nRow * _nColumnCount + _nColumn;
    }
}
using namespace ::com::sun::star::lang;
using namespace comphelper;
using namespace ::com::sun::star::uno;
using ::com::sun::star::accessibility::XAccessible;
using namespace ::com::sun::star::accessibility;


// implementation of a table cell
OUString AccessibleBrowseBoxTableCell::implGetText()
{
    return mpBrowseBox->GetAccessibleCellText( getRowPos(), static_cast< sal_uInt16 >( getColumnPos() ) );
}

css::lang::Locale AccessibleBrowseBoxTableCell::implGetLocale()
{
    return mpBrowseBox->GetAccessible()->getLocale();
}

void AccessibleBrowseBoxTableCell::implGetSelection( sal_Int32& nStartIndex, sal_Int32& nEndIndex )
{
    nStartIndex = 0;
    nEndIndex = 0;
}

AccessibleBrowseBoxTableCell::AccessibleBrowseBoxTableCell(
    const Reference<XAccessible>& _rxParent, vcl::IAccessibleTableProvider& _rBrowseBox,
    sal_Int32 _nRowPos, sal_uInt16 _nColPos)
    : ImplInheritanceHelper(_rxParent, _rBrowseBox, nullptr, _nRowPos, _nColPos)
{
    sal_Int32 nIndex = getIndex_Impl( _nRowPos, _nColPos, _rBrowseBox.GetColumnCount() );
    setAccessibleName( _rBrowseBox.GetAccessibleObjectName( AccessibleBrowseBoxObjType::TableCell, nIndex ) );
    setAccessibleDescription( _rBrowseBox.GetAccessibleObjectDescription( AccessibleBrowseBoxObjType::TableCell, nIndex ) );
    // Need to register as event listener
    Reference< XComponent > xComponent(_rxParent, UNO_QUERY);
    if( xComponent.is() )
        xComponent->addEventListener(static_cast< XEventListener *> (this));
}

css::awt::Rectangle SAL_CALL AccessibleBrowseBoxTableCell::getCharacterBounds( sal_Int32 nIndex )
{
    SolarMethodGuard aGuard(getMutex());
    ensureIsAlive();

    css::awt::Rectangle aRect;

    if ( mpBrowseBox )
    {
        if ( !implIsValidIndex( nIndex, implGetText().getLength() ) )
            throw IndexOutOfBoundsException();

        aRect = vcl::unohelper::ConvertToAWTRect(
            mpBrowseBox->GetFieldCharacterBounds(getRowPos(), getColumnPos(), nIndex));
    }

    return aRect;
}

sal_Int32 SAL_CALL AccessibleBrowseBoxTableCell::getIndexAtPoint( const css::awt::Point& _aPoint )
{
    //! TODO CTL bidi
    // OSL_FAIL("Need to be done by base class!");
    SolarMethodGuard aGuard(getMutex());
    ensureIsAlive();

    return mpBrowseBox->GetFieldIndexAtPoint(getRowPos(), getColumnPos(),
                                             vcl::unohelper::ConvertToVCLPoint(_aPoint));
}

/** @return
        The name of this class.
*/
OUString SAL_CALL AccessibleBrowseBoxTableCell::getImplementationName()
{
    return u"com.sun.star.comp.svtools.AccessibleBrowseBoxTableCell"_ustr;
}

/** @return  The count of visible children. */
sal_Int64 SAL_CALL AccessibleBrowseBoxTableCell::getAccessibleChildCount()
{
    return 0;
}

/** @return  The XAccessible interface of the specified child. */
css::uno::Reference< css::accessibility::XAccessible > SAL_CALL
    AccessibleBrowseBoxTableCell::getAccessibleChild( sal_Int64 )
{
    throw css::lang::IndexOutOfBoundsException();
}

/** Return a bitset of states of the current object.
*/
sal_Int64 AccessibleBrowseBoxTableCell::implCreateStateSet()
{
    SolarMethodGuard aGuard(getMutex());

    sal_Int64 nStateSet = 0;

    if( isAlive() )
    {
        // SHOWING done with mxParent
        if( implIsShowing() )
            nStateSet |= AccessibleStateType::SHOWING;

        mpBrowseBox->FillAccessibleStateSetForCell( nStateSet, getRowPos(), static_cast< sal_uInt16 >( getColumnPos() ) );
    }
    else
        nStateSet |= AccessibleStateType::DEFUNC;

    return nStateSet;
}

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

sal_Int64 SAL_CALL AccessibleBrowseBoxTableCell::getAccessibleIndexInParent()
{
    SolarMethodGuard aGuard(getMutex());
    ensureIsAlive();

    return (static_cast<sal_Int64>(getRowPos()) * static_cast<sal_Int64>(mpBrowseBox->GetColumnCount())) + getColumnPos();
}

sal_Int32 SAL_CALL AccessibleBrowseBoxTableCell::getCaretPosition(  )
{
    return -1;
}

sal_Bool SAL_CALL AccessibleBrowseBoxTableCell::setCaretPosition ( sal_Int32 nIndex )
{
    SolarMethodGuard aGuard(getMutex());
    ensureIsAlive();

    if ( !implIsValidRange( nIndex, nIndex, implGetText().getLength() ) )
        throw IndexOutOfBoundsException();

    return false;
}
sal_Unicode SAL_CALL AccessibleBrowseBoxTableCell::getCharacter( sal_Int32 nIndex )
{
    SolarMethodGuard aGuard(getMutex());
    ensureIsAlive();

    return OCommonAccessibleText::implGetCharacter( implGetText(), nIndex );
}
css::uno::Sequence< css::beans::PropertyValue > SAL_CALL AccessibleBrowseBoxTableCell::getCharacterAttributes( sal_Int32 nIndex, const css::uno::Sequence< OUString >& )
{
    SolarMethodGuard aGuard(getMutex());
    ensureIsAlive();

    OUString sText( implGetText() );

    if ( !implIsValidIndex( nIndex, sText.getLength() ) )
        throw IndexOutOfBoundsException();

    return css::uno::Sequence< css::beans::PropertyValue >();
}
sal_Int32 SAL_CALL AccessibleBrowseBoxTableCell::getCharacterCount(  )
{
    SolarMethodGuard aGuard(getMutex());
    ensureIsAlive();

    return implGetText().getLength();
}

OUString SAL_CALL AccessibleBrowseBoxTableCell::getSelectedText(  )
{
    SolarMethodGuard aGuard(getMutex());
    ensureIsAlive();

    return OCommonAccessibleText::getSelectedText(  );
}
sal_Int32 SAL_CALL AccessibleBrowseBoxTableCell::getSelectionStart(  )
{
    SolarMethodGuard aGuard(getMutex());
    ensureIsAlive();

    return OCommonAccessibleText::getSelectionStart(  );
}
sal_Int32 SAL_CALL AccessibleBrowseBoxTableCell::getSelectionEnd(  )
{
    SolarMethodGuard aGuard(getMutex());
    ensureIsAlive();

    return OCommonAccessibleText::getSelectionEnd(  );
}
sal_Bool SAL_CALL AccessibleBrowseBoxTableCell::setSelection( sal_Int32 nStartIndex, sal_Int32 nEndIndex )
{
    SolarMethodGuard aGuard(getMutex());
    ensureIsAlive();

    if ( !implIsValidRange( nStartIndex, nEndIndex, implGetText().getLength() ) )
        throw IndexOutOfBoundsException();

    return false;
}
OUString SAL_CALL AccessibleBrowseBoxTableCell::getText(  )
{
    SolarMethodGuard aGuard(getMutex());
    ensureIsAlive();

    return implGetText(  );
}
OUString SAL_CALL AccessibleBrowseBoxTableCell::getTextRange( sal_Int32 nStartIndex, sal_Int32 nEndIndex )
{
    SolarMethodGuard aGuard(getMutex());
    ensureIsAlive();

    return OCommonAccessibleText::implGetTextRange( implGetText(), nStartIndex, nEndIndex );
}
css::accessibility::TextSegment SAL_CALL AccessibleBrowseBoxTableCell::getTextAtIndex( sal_Int32 nIndex, sal_Int16 aTextType )
{
    SolarMethodGuard aGuard(getMutex());
    ensureIsAlive();

    return OCommonAccessibleText::getTextAtIndex( nIndex ,aTextType);
}
css::accessibility::TextSegment SAL_CALL AccessibleBrowseBoxTableCell::getTextBeforeIndex( sal_Int32 nIndex, sal_Int16 aTextType )
{
    SolarMethodGuard aGuard(getMutex());
    ensureIsAlive();

    return OCommonAccessibleText::getTextBeforeIndex( nIndex ,aTextType);
}
css::accessibility::TextSegment SAL_CALL AccessibleBrowseBoxTableCell::getTextBehindIndex( sal_Int32 nIndex, sal_Int16 aTextType )
{
    SolarMethodGuard aGuard(getMutex());
    ensureIsAlive();

    return OCommonAccessibleText::getTextBehindIndex( nIndex ,aTextType);
}
sal_Bool SAL_CALL AccessibleBrowseBoxTableCell::copyText( sal_Int32 nStartIndex, sal_Int32 nEndIndex )
{
    SolarMethodGuard aGuard(getMutex());
    ensureIsAlive();

    OUString sText = implGetText();
    checkIndex_Impl( nStartIndex, sText );
    checkIndex_Impl( nEndIndex, sText );

    //!!! don't know how to put a string into the clipboard
    return false;
}
sal_Bool SAL_CALL AccessibleBrowseBoxTableCell::scrollSubstringTo( sal_Int32, sal_Int32, AccessibleScrollType )
{
    return false;
}
void AccessibleBrowseBoxTableCell::disposing( const EventObject& _rSource )
{
        if ( _rSource.Source == mxParent )
        {
            dispose();
        }
}

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