AccDescendantManagerEventListener.hxx 2.88 KB
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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.
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 * 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/.
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 *
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 * This file incorporates work covered by the following license notice:
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 *
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 *   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 .
 */
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#ifndef INCLUDED_WINACCESSIBILITY_INC_ACCDESCENDANTMANAGEREVENTLISTENER_HXX
#define INCLUDED_WINACCESSIBILITY_INC_ACCDESCENDANTMANAGEREVENTLISTENER_HXX
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#include <stdio.h>
#include "AccComponentEventListener.hxx"
#include <com/sun/star/accessibility/XAccessibleEventListener.hpp>
#include <com/sun/star/accessibility/XAccessible.hpp>

/**
 * AccDescendantManagerEventListener is inherited from AccComponentEventListener. It handles
 * the evnets generated by active descendant controls. They are: TREE, LIST, and TABLE.
 * It defines the procedure of specific event handling related with active descendant components
 * and provides the detailed support for some related methods.
 */
class AccDescendantManagerEventListener: public AccComponentEventListener
{
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public:
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    AccDescendantManagerEventListener(css::accessibility::XAccessible* pAcc, AccObjectManagerAgent* Agent);
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    virtual ~AccDescendantManagerEventListener() override;
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    // XAccessibleEventListener
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    virtual void SAL_CALL notifyEvent( const css::accessibility::AccessibleEventObject& aEvent ) override;
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    //for selection changed event
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    virtual void HandleSelectionChangedEvent(
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            css::uno::Any oldValue, css::uno::Any newValue);
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    //for child changed event
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    virtual void HandleChildChangedEvent(
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            css::uno::Any oldValue, css::uno::Any newValue);
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    virtual void HandleChildChangedNoFocusEvent(
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            css::uno::Any oldValue, css::uno::Any newValue);
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    bool NotifyChildEvent(short nWinEvent,const css::uno::Any &Value);
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    virtual void HandleSelectionChangedAddEvent(
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            const css::uno::Any &oldValue, const css::uno::Any &newValue);
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    virtual void HandleSelectionChangedRemoveEvent(
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            const css::uno::Any &oldValue, const css::uno::Any &newValue);
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    virtual void HandleSelectionChangedWithinEvent(
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            const css::uno::Any &oldValue, const css::uno::Any &newValue);
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};

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#endif // INCLUDED_WINACCESSIBILITY_INC_ACCDESCENDANTMANAGEREVENTLISTENER_HXX
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