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Diffstat (limited to 'winaccessibility/source/service/AccMenuEventListener.cxx')
-rw-r--r-- | winaccessibility/source/service/AccMenuEventListener.cxx | 151 |
1 files changed, 151 insertions, 0 deletions
diff --git a/winaccessibility/source/service/AccMenuEventListener.cxx b/winaccessibility/source/service/AccMenuEventListener.cxx new file mode 100644 index 000000000000..342d5335de85 --- /dev/null +++ b/winaccessibility/source/service/AccMenuEventListener.cxx @@ -0,0 +1,151 @@ +/************************************************************** + * + * 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; + } + } +} |