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path: root/accessibility/inc/accessibility/extended/AccessibleGridControlTableBase.hxx
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/* -*- 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 .
 */


#ifndef INCLUDED_ACCESSIBILITY_INC_ACCESSIBILITY_EXTENDED_ACCESSIBLEGRIDCONTROLTABLEBASE_HXX
#define INCLUDED_ACCESSIBILITY_INC_ACCESSIBILITY_EXTENDED_ACCESSIBLEGRIDCONTROLTABLEBASE_HXX

#include "accessibility/extended/AccessibleGridControlBase.hxx"
#include <cppuhelper/implbase1.hxx>
#include <com/sun/star/accessibility/XAccessibleTable.hpp>



namespace accessibility {

typedef ::cppu::ImplHelper1 < css::accessibility::XAccessibleTable >
        AccessibleGridControlTableImplHelper;

/** The Grid Control accessible table objects inherit from this base class. It
    implements basic functionality for the XAccessibleTable interface.
    Grid COntrol table objects are: the data table, the column header bar and the
    row header bar. */
class AccessibleGridControlTableBase :
    public GridControlAccessibleElement,
    public AccessibleGridControlTableImplHelper
{
public:
    /** Constructor sets specified name and description.
        @param rxParent  XAccessible interface of the parent object.
        @param rTable  The Table control.
        @param eNameText  The constant for the name text.
        @param eDescrText  The constant for the description text. */
    AccessibleGridControlTableBase(
        const css::uno::Reference< css::accessibility::XAccessible >& rxParent,
        ::svt::table::IAccessibleTable& rTable,
        ::svt::table::AccessibleTableControlObjType  eObjType );

protected:
    virtual ~AccessibleGridControlTableBase();

public:
    // XAccessibleContext -----------------------------------------------------

    /** @return  The count of visible children. */
    virtual sal_Int32 SAL_CALL getAccessibleChildCount()
        throw ( css::uno::RuntimeException, std::exception ) override;

    /** @return  The role of this object (a table). */
    virtual sal_Int16 SAL_CALL getAccessibleRole()
        throw ( css::uno::RuntimeException, std::exception ) override;

    /*  Derived classes have to implement:
        -   getAccessibleChild,
        -   getAccessibleIndexInParent. */

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

    /*  Derived classes have to implement:
        -   getAccessibleAt,
        -   grabFocus. */

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

    /** @return  The number of used rows in the table (0 = empty table). */
    virtual sal_Int32 SAL_CALL getAccessibleRowCount()
        throw ( css::uno::RuntimeException, std::exception ) override;

    /** @return  The number of used columns in the table (0 = empty table). */
    virtual sal_Int32 SAL_CALL getAccessibleColumnCount()
        throw ( css::uno::RuntimeException, std::exception ) override;

    /** @return  The row extent of the specified cell (always 1). */
    virtual sal_Int32 SAL_CALL
    getAccessibleRowExtentAt( sal_Int32 nRow, sal_Int32 nColumn )
        throw ( css::lang::IndexOutOfBoundsException,
                css::uno::RuntimeException, std::exception ) override;

    /** @return  The column extent of the specified cell (always 1). */
    virtual sal_Int32 SAL_CALL
    getAccessibleColumnExtentAt( sal_Int32 nRow, sal_Int32 nColumn )
        throw ( css::lang::IndexOutOfBoundsException,
                css::uno::RuntimeException, std::exception ) override;

    /** @return  The caption cell of the table (not supported). */
    virtual css::uno::Reference< css::accessibility::XAccessible > SAL_CALL
    getAccessibleCaption()
        throw ( css::uno::RuntimeException, std::exception ) override;

    /** @return  The summary object of the table (not supported). */
    virtual css::uno::Reference< css::accessibility::XAccessible > SAL_CALL
    getAccessibleSummary()
        throw ( css::uno::RuntimeException, std::exception ) override;

    /** @return  The child index of the specified cell. */
    virtual sal_Int32 SAL_CALL getAccessibleIndex( sal_Int32 nRow, sal_Int32 nColumn )
        throw ( css::lang::IndexOutOfBoundsException,
                css::uno::RuntimeException, std::exception ) override;

    /** @return  The row index of the specified child cell. */
    virtual sal_Int32 SAL_CALL getAccessibleRow( sal_Int32 nChildIndex )
        throw ( css::lang::IndexOutOfBoundsException,
                css::uno::RuntimeException, std::exception ) override;

    /** @return  The column index of the specified child cell. */
    virtual sal_Int32 SAL_CALL getAccessibleColumn( sal_Int32 nChildIndex )
        throw ( css::lang::IndexOutOfBoundsException,
                css::uno::RuntimeException, std::exception ) override;

    /*  Derived classes have to implement:
        -   getAccessibleRowDescription,
        -   getAccessibleColumnDescription,
        -   getAccessibleRowHeaders,
        -   getAccessibleColumnHeaders,
        -   getSelectedAccessibleRows,
        -   getSelectedAccessibleColumns,
        -   isAccessibleRowSelected,
        -   isAccessibleColumnSelected,
        -   getAccessibleCellAt,
        -   isAccessibleSelected. */

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

    /** Queries for a new interface. */
    css::uno::Any SAL_CALL queryInterface( const css::uno::Type& rType )
        throw ( css::uno::RuntimeException, std::exception ) override;

    /** Aquires the object (calls acquire() on base class). */
    virtual void SAL_CALL acquire() throw () override;

    /** Releases the object (calls release() on base class). */
    virtual void SAL_CALL release() throw () override;

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

    /** @return  A sequence of possible types (received from base classes). */
    virtual css::uno::Sequence< css::uno::Type > SAL_CALL getTypes()
        throw ( css::uno::RuntimeException, std::exception ) override;

    /** @return  An unique implementation ID. */
    virtual css::uno::Sequence< sal_Int8 > SAL_CALL getImplementationId()
        throw ( css::uno::RuntimeException, std::exception ) override;

protected:
    // internal helper methods ------------------------------------------------

    /** @attention  This method requires locked mutex's and a living object.
        @return  The number of cells of the table. */
    sal_Int32 implGetChildCount() const;

    /** @attention  This method requires locked mutex's and a living object.
        @return  The row index of the specified cell index. */
    sal_Int32 implGetRow( sal_Int32 nChildIndex ) const;
    /** @attention  This method requires locked mutex's and a living object.
        @return  The column index of the specified cell index. */
    sal_Int32 implGetColumn( sal_Int32 nChildIndex ) const;
    /** @attention  This method requires locked mutex's and a living object.
        @return  The child index of the specified cell address. */
    sal_Int32 implGetChildIndex( sal_Int32 nRow, sal_Int32 nColumn ) const;

    /** Fills a sequence with sorted indexes of completely selected rows.
        @attention  This method requires locked mutex's and a living object.
        @param rSeq  Out-parameter that takes the sorted row index list. */
    void implGetSelectedRows( css::uno::Sequence< sal_Int32 >& rSeq );

    /** @attention  This method requires locked mutex's and a living object.
        @throws <type>IndexOutOfBoundsException</type>
        If the specified row index is invalid. */
    void ensureIsValidRow( sal_Int32 nRow )
        throw ( css::lang::IndexOutOfBoundsException );
    /** @attention  This method requires locked mutex's and a living object.
        @throws <type>IndexOutOfBoundsException</type>
        If the specified column index is invalid. */
    void ensureIsValidColumn( sal_Int32 nColumn )
        throw ( css::lang::IndexOutOfBoundsException );
    /** @attention  This method requires locked mutex's and a living object.
        @throws <type>IndexOutOfBoundsException</type>
        If the specified cell address is invalid. */
    void ensureIsValidAddress( sal_Int32 nRow, sal_Int32 nColumn )
        throw ( css::lang::IndexOutOfBoundsException );
    /** @attention  This method requires locked mutex's and a living object.
        @throws <type>IndexOutOfBoundsException</type>
        If the specified child index is invalid. */
    void ensureIsValidIndex( sal_Int32 nChildIndex )
        throw ( css::lang::IndexOutOfBoundsException );
};



} // namespace accessibility



#endif // ACCESSIBILITY_EXT_ACCESSIBILEGRIDCONTROLTABLEBASE_HXX

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