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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_COMPHELPER_ACCESSIBLESELECTIONHELPER_HXX
#define INCLUDED_COMPHELPER_ACCESSIBLESELECTIONHELPER_HXX
#include <config_options.h>
#include <comphelper/uno3.hxx>
#include <comphelper/accessiblecomponenthelper.hxx>
#include <cppuhelper/implbase1.hxx>
#include <com/sun/star/accessibility/XAccessibleSelection.hpp>
#include <comphelper/comphelperdllapi.h>
#define ACCESSIBLE_SELECTION_CHILD_ALL (sal_Int32(-1))
#define ACCESSIBLE_SELECTION_CHILD_SELF ((sal_Int32)-2)
namespace comphelper
{
//= OCommonAccessibleSelection
/** base class encapsulating common functionality for the helper classes implementing
the XAccessibleSelection
*/
class COMPHELPER_DLLPUBLIC OCommonAccessibleSelection
{
protected:
OCommonAccessibleSelection();
~OCommonAccessibleSelection();
protected:
// access to context - still waiting to be overwritten
/// @throws css::uno::RuntimeException
virtual css::uno::Reference< css::accessibility::XAccessibleContext >
implGetAccessibleContext() = 0;
// return if the specified child is visible => watch for special ChildIndexes (ACCESSIBLE_SELECTION_CHILD_xxx)
/// @throws css::uno::RuntimeException
virtual bool
implIsSelected( sal_Int32 nAccessibleChildIndex ) = 0;
// select the specified child => watch for special ChildIndexes (ACCESSIBLE_SELECTION_CHILD_xxx)
/// @throws css::uno::RuntimeException
virtual void
implSelect( sal_Int32 nAccessibleChildIndex, bool bSelect ) = 0;
protected:
/** non-virtual versions of the methods which can be implemented using <method>implIsSelected</method> and <method>implSelect</method>
@throws css::lang::IndexOutOfBoundsException
@throws css::uno::RuntimeException
*/
void selectAccessibleChild( sal_Int32 nChildIndex );
/// @throws css::lang::IndexOutOfBoundsException
/// @throws css::uno::RuntimeException
bool isAccessibleChildSelected( sal_Int32 nChildIndex );
/// @throws css::uno::RuntimeException
void clearAccessibleSelection( );
/// @throws css::uno::RuntimeException
void selectAllAccessibleChildren( );
/// @throws css::uno::RuntimeException
sal_Int32 getSelectedAccessibleChildCount( );
/// @throws css::lang::IndexOutOfBoundsException
/// @throws css::uno::RuntimeException
css::uno::Reference< css::accessibility::XAccessible > getSelectedAccessibleChild( sal_Int32 nSelectedChildIndex );
/// @throws css::lang::IndexOutOfBoundsException
/// @throws css::uno::RuntimeException
void deselectAccessibleChild( sal_Int32 nSelectedChildIndex );
};
//= OAccessibleSelectionHelper
typedef ::cppu::ImplHelper1< css::accessibility::XAccessibleSelection > OAccessibleSelectionHelper_Base;
/** a helper class for implementing an AccessibleSelection which at the same time
supports an XAccessibleSelection interface.
*/
class UNLESS_MERGELIBS(COMPHELPER_DLLPUBLIC) OAccessibleSelectionHelper : public OAccessibleComponentHelper,
public OCommonAccessibleSelection,
public OAccessibleSelectionHelper_Base
{
protected:
OAccessibleSelectionHelper();
// return ourself here by default
virtual css::uno::Reference< css::accessibility::XAccessibleContext > implGetAccessibleContext() override;
public:
// XInterface
DECLARE_XINTERFACE( )
DECLARE_XTYPEPROVIDER( )
// XAccessibleSelection - default implementations
virtual void SAL_CALL selectAccessibleChild( sal_Int32 nChildIndex ) override;
virtual sal_Bool SAL_CALL isAccessibleChildSelected( sal_Int32 nChildIndex ) override;
virtual void SAL_CALL clearAccessibleSelection( ) override;
virtual void SAL_CALL selectAllAccessibleChildren( ) override;
virtual sal_Int32 SAL_CALL getSelectedAccessibleChildCount( ) override;
virtual css::uno::Reference< css::accessibility::XAccessible > SAL_CALL getSelectedAccessibleChild( sal_Int32 nSelectedChildIndex ) override;
virtual void SAL_CALL deselectAccessibleChild( sal_Int32 nSelectedChildIndex ) override;
};
} // namespace comphelper
#endif // INCLUDED_COMPHELPER_ACCESSIBLESELECTIONHELPER_HXX
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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