| /************************************************************** |
| * |
| * 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 "AccFrameEventListener.hxx" |
| #include "AccObjectManagerAgent.hxx" |
| #include "unomsaaevent.hxx" |
| |
| using namespace com::sun::star::uno; |
| using namespace com::sun::star::accessibility; |
| |
| #include <vcl/window.hxx> |
| #include <toolkit/awt/Vclxwindow.hxx> |
| |
| #ifndef _SV_SYSDATA_HXX |
| #if defined( WIN ) || defined( WNT ) || defined( OS2 ) |
| typedef sal_Int32 HWND; |
| typedef sal_Int32 HMENU; |
| typedef sal_Int32 HDC; |
| typedef void *PVOID;
|
| typedef PVOID HANDLE;
|
| typedef HANDLE HFONT;
|
| #endif |
| #include <vcl/sysdata.hxx> |
| #endif |
| |
| |
| AccFrameEventListener::AccFrameEventListener(com::sun::star::accessibility::XAccessible* pAcc, AccObjectManagerAgent* Agent) |
| :AccEventListener(pAcc, Agent) |
| { |
| }
|
|
|
| AccFrameEventListener::~AccFrameEventListener() |
| { |
| } |
| |
| /** |
| * Uno's event notifier when event is captured |
| * @param AccessibleEventObject the event object which contains information about event |
| */ |
| void AccFrameEventListener::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::VISIBLE_DATA_CHANGED: |
| handleVisibleDataChangedEvent(); |
| break; |
| case AccessibleEventId::BOUNDRECT_CHANGED: |
| handleBoundrectChangedEvent(); |
| break; |
| default: |
| AccEventListener::notifyEvent(aEvent); |
| break; |
| } |
| } |
| |
| /** |
| * handle the VISIBLE_DATA_CHANGED event |
| */ |
| void AccFrameEventListener::handleVisibleDataChangedEvent() |
| { |
| AccEventListener::handleVisibleDataChangedEvent(); |
| } |
| |
| /** |
| * handle the BOUNDRECT_CHANGED event |
| */ |
| void AccFrameEventListener::handleBoundrectChangedEvent() |
| { |
| AccEventListener::handleBoundrectChangedEvent(); |
| } |
| |
| /** |
| * handle the CHILD event |
| * @param oldValue the child to be deleted |
| * @param newValue the child to be added |
| */ |
| void AccFrameEventListener::handleChildChangedEvent(Any oldValue, Any newValue) |
| { |
| Reference< XAccessible > xChild; |
| if( newValue >>= xChild) |
| { |
| //create a new child |
| if(xChild.is()) |
| { |
| XAccessible* pAcc = xChild.get(); |
| |
| VCLXWindow* pvclwindow = (VCLXWindow*)pAccessible; |
| Window* window = pvclwindow->GetWindow(); |
| const SystemEnvData* systemdata=window->GetSystemData(); |
| |
| //add this child |
| pAgent->InsertAccObj( pAcc,pAccessible,(HWND)systemdata->hWnd); |
| //add all oldValue's existing children |
| pAgent->InsertChildrenAccObj(pAcc); |
| pAgent->NotifyAccEvent(UM_EVENT_CHILD_ADDED, pAcc); |
| } |
| else |
| {} |
| } |
| else if (oldValue >>= xChild) |
| { |
| //delete a 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 |
| {} |
| } |
| |
| } |
| |
| /** |
| * 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 AccFrameEventListener::setComponentState(short state, bool enable ) |
| { |
| // only the following state can be fired state event. |
| switch (state) |
| { |
| case AccessibleStateType::ICONIFIED: |
| // no msaa state |
| break; |
| case AccessibleStateType::VISIBLE: |
| // UNO !VISIBLE == MSAA INVISIBLE |
| if( enable ) |
| pAgent->IncreaseState( pAccessible, AccessibleStateType::VISIBLE ); |
| else |
| pAgent->DecreaseState( pAccessible, AccessibleStateType::VISIBLE ); |
| break; |
| case AccessibleStateType::ACTIVE: |
| // Only frames should be active |
| // no msaa state mapping |
| break; |
| default: |
| break; |
| } |
| } |