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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 .
*/
#include <com/sun/star/accessibility/XAccessible.hpp>
#include <com/sun/star/accessibility/AccessibleStateType.hpp>
#include <com/sun/star/accessibility/AccessibleEventId.hpp>
#include <com/sun/star/accessibility/AccessibleRole.hpp>
#include <com/sun/star/accessibility/XAccessibleEventBroadcaster.hpp>
#include "AccParagraphEventListener.hxx"
#include "AccObjectManagerAgent.hxx"
#include "unomsaaevent.hxx"
using namespace com::sun::star::uno;
using namespace com::sun::star::accessibility;
AccParagraphEventListener::AccParagraphEventListener(com::sun::star::accessibility::XAccessible* pAcc, AccObjectManagerAgent* Agent)
:AccContainerEventListener(pAcc, Agent)
{}
AccParagraphEventListener::~AccParagraphEventListener()
{
}
/**
* Uno's event notifier when event is captured
* @param AccessibleEventObject the event object which contains information about event
*/
void AccParagraphEventListener::notifyEvent( const ::com::sun::star::accessibility::AccessibleEventObject& aEvent )
throw (::com::sun::star::uno::RuntimeException)
{
switch (aEvent.EventId)
{
case AccessibleEventId::CARET_CHANGED:
handleCaretChangedEvent(aEvent.OldValue, aEvent.NewValue);
break;
case AccessibleEventId::VISIBLE_DATA_CHANGED:
handleVisibleDataChangedEvent();
break;
case AccessibleEventId::BOUNDRECT_CHANGED:
handleBoundrectChangedEvent();
break;
//Added for paragraph selected state.
case AccessibleEventId::STATE_CHANGED:
{
short State;
if( (aEvent.NewValue >>= State) && (State == AccessibleStateType::SELECTED) )
{
pAgent->IncreaseState( pAccessible, State);
break;
}
else if( (aEvent.OldValue >>= State) && (State == AccessibleStateType::SELECTED) )
{
pAgent->DecreaseState( pAccessible, State);
break;
}
AccContainerEventListener::notifyEvent(aEvent);
break;
}
case AccessibleEventId::TEXT_SELECTION_CHANGED:
handleTextSelectionChangedEvent();
break;
default:
AccContainerEventListener::notifyEvent(aEvent);
break;
}
}
/**
* handle the CARET_CHANGED event
* @param oldValue in UNO, this parameter is always NULL
* @param newValue in UNO, this parameter is always NULL
*/
void AccParagraphEventListener::handleCaretChangedEvent(Any oldValue, Any newValue)
{
pAgent->UpdateLocation(pAccessible);
pAgent->NotifyAccEvent(UM_EVENT_OBJECT_CARETCHANGE, pAccessible);
}
/**
* handle the VISIBLE_DATA_CHANGED event
*/
void AccParagraphEventListener::handleVisibleDataChangedEvent()
{
AccEventListener::handleVisibleDataChangedEvent();
}
/**
* handle the BOUNDRECT_CHANGED event
*/
void AccParagraphEventListener::handleBoundrectChangedEvent()
{
AccEventListener::handleBoundrectChangedEvent();
}
/**
* set the new state and fire the MSAA event
* @param state new state id
* @param enable true if state is set, false if state is unset
*/
void AccParagraphEventListener::setComponentState(short state, bool enable )
{
// only the following state can be fired state event.
switch (state)
{
case AccessibleStateType::EDITABLE:
// no msaa state
break;
case AccessibleStateType::MULTI_LINE:
// no msaa state mapping
break;
case AccessibleStateType::SINGLE_LINE:
// no msaa state mapping
break;
default:
AccContainerEventListener::setComponentState(state, enable);
break;
}
}
void AccParagraphEventListener::handleTextSelectionChangedEvent()
{
pAgent->NotifyAccEvent(UM_EVENT_TEXT_SELECTION_CHANGED, pAccessible);
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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