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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
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*
*************************************************************/
#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 "AccMenuEventListener.hxx"
#include "AccObjectManagerAgent.hxx"
#include "unomsaaevent.hxx"
using namespace com::sun::star::uno;
using namespace com::sun::star::accessibility;
AccMenuEventListener::AccMenuEventListener(com::sun::star::accessibility::XAccessible* pAcc, AccObjectManagerAgent* Agent)
:AccComponentEventListener(pAcc, Agent)
{}
AccMenuEventListener::~AccMenuEventListener()
{
}
/**
* Uno's event notifier when event is captured
* @param AccessibleEventObject the event object which contains information about event
*/
void AccMenuEventListener::notifyEvent( const ::com::sun::star::accessibility::AccessibleEventObject& aEvent )
throw (::com::sun::star::uno::RuntimeException)
{
switch (aEvent.EventId)
{
case AccessibleEventId::CHILD:
handleChildChangedEvent(aEvent.OldValue, aEvent.NewValue);
break;
case AccessibleEventId::SELECTION_CHANGED:
//don't need to process anything,just same as word behavior
//handleSelectionChangedEvent();
break;
default:
AccComponentEventListener::notifyEvent(aEvent);
break;
}
}
/**
* handle the CHILD event
* @param oldValue the child to be deleted
* @param newValue the child to be added
*/
void AccMenuEventListener::handleChildChangedEvent(Any oldValue, Any newValue)
{
Reference< XAccessible > xChild;
if( newValue >>= xChild)
{
//create a new child
if(xChild.is())
{
XAccessible* pAcc = xChild.get();
//add this child
pAgent->InsertAccObj( pAcc,pAccessible);
//add all oldValue's existing children
pAgent->InsertChildrenAccObj(pAcc);
pAgent->NotifyAccEvent(UM_EVENT_CHILD_ADDED, pAcc);
}
else
{}
}
else if (oldValue >>= xChild)
{
//delete an existing child
if(xChild.is())
{
XAccessible* pAcc = xChild.get();
pAgent->NotifyAccEvent(UM_EVENT_CHILD_REMOVED, pAcc);
//delete all oldValue's existing children
pAgent->DeleteChildrenAccObj( pAcc );
//delete this child
pAgent->DeleteAccObj( pAcc );
}
else
{}
}
}
/**
* handle the SELECTION_CHANGED event
*/
void AccMenuEventListener::handleSelectionChangedEvent()
{
pAgent->NotifyAccEvent(UM_EVENT_SELECTION_CHANGED, pAccessible);
}
/**
* handle the Menu_popup event
*/
void AccMenuEventListener::fireStatePropertyChange(short state, bool set)
{
if( set )
{
// new value
switch(state)
{
//for sub menu is popup, there is a menu selected event.
case AccessibleStateType::SELECTED:
pAgent->IncreaseState( pAccessible, state);
pAgent->UpdateChildState(pAccessible);
break;
default:
AccComponentEventListener::fireStatePropertyChange(state, set
);
break;
}
}
else
{
switch(state)
{
//for sub menu is popup, there is a menu selected event.
case AccessibleStateType::SELECTED:
pAgent->DecreaseState( pAccessible, state );
break;
default:
AccComponentEventListener::fireStatePropertyChange(state, set
);
break;
}
}
}
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