/* -*- 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 .

 */

#pragma once

#include <com/sun/star/accessibility/XAccessibleSelection.hpp>

#include <vcl/accessibility/AccessibleBrowseBoxTable.hxx>

#include <vcl/vclptr.hxx>

class SvHeaderTabListBox;

class AccessibleTabListBoxTable final

    : public cppu::ImplInheritanceHelper<AccessibleBrowseBoxTable,

                                         css::accessibility::XAccessibleSelection>

{

private:

    VclPtr<SvHeaderTabListBox>     m_pTabListBox;

    css::uno::Reference< css::accessibility::XAccessible >  m_xCurChild;

    void                    ProcessWindowEvent( const VclWindowEvent& rVclWindowEvent );

    DECL_LINK(        WindowEventListener, VclWindowEvent&, void );

    // helpers ----------------------------------------------------------------

    /** Throws an exception, if nIndex is not a valid child index. */

    void ensureValidIndex( sal_Int64 _nIndex ) const;

    /** Selects the specified row. */

    void implSelectRow( sal_Int32 _nRow, bool _bSelect );

    /** Returns the count of rows in the table. */

    sal_Int32 implGetRowCount() const override;

    /** Returns the total column count in the table. */

    sal_Int32 implGetColumnCount() const override;

    /** Returns the count of selected rows in the table. */

    sal_Int32 implGetSelRowCount() const;

    /** Returns the row index from cell index. */

    sal_Int32 implGetRow( sal_Int64 _nIndex ) const

    {

        auto nColCount = implGetColumnCount();

        assert(nColCount != 0);

        return _nIndex / nColCount;

    }

    /** Returns the absolute row index of the nSelRow-th selected row. */

    sal_Int32 implGetSelRow( sal_Int32 _nSelRow ) const;

public:

    /** ctor()

        @param rxParent  XAccessible interface of the parent object.

        @param rBox  The HeaderTabListBox control. */

    AccessibleTabListBoxTable(const rtl::Reference<comphelper::OAccessible>& rpParent,

                              SvHeaderTabListBox& rBox);

private:

    /** dtor() */

    virtual ~AccessibleTabListBoxTable() override;

public:

    // XAccessibleSelection

    void SAL_CALL selectAccessibleChild( sal_Int64 nChildIndex ) override;

    sal_Bool SAL_CALL isAccessibleChildSelected( sal_Int64 nChildIndex ) override;

    void SAL_CALL clearAccessibleSelection(  ) override;

    void SAL_CALL selectAllAccessibleChildren(  ) override;

    sal_Int64 SAL_CALL getSelectedAccessibleChildCount(  ) override;

    css::uno::Reference< css::accessibility::XAccessible > SAL_CALL getSelectedAccessibleChild( sal_Int64 nSelectedChildIndex ) override;

    void SAL_CALL deselectAccessibleChild( sal_Int64 nSelectedChildIndex ) override;

};

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