diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 09:06:44 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 09:06:44 +0000 |
commit | ed5640d8b587fbcfed7dd7967f3de04b37a76f26 (patch) | |
tree | 7a5f7c6c9d02226d7471cb3cc8fbbf631b415303 /winaccessibility/source/service/AccFrameEventListener.cxx | |
parent | Initial commit. (diff) | |
download | libreoffice-upstream.tar.xz libreoffice-upstream.zip |
Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'winaccessibility/source/service/AccFrameEventListener.cxx')
-rw-r--r-- | winaccessibility/source/service/AccFrameEventListener.cxx | 145 |
1 files changed, 145 insertions, 0 deletions
diff --git a/winaccessibility/source/service/AccFrameEventListener.cxx b/winaccessibility/source/service/AccFrameEventListener.cxx new file mode 100644 index 000000000..bae97a1ca --- /dev/null +++ b/winaccessibility/source/service/AccFrameEventListener.cxx @@ -0,0 +1,145 @@ +/* -*- 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 <vcl/svapp.hxx> + +#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> +#include <vcl/sysdata.hxx> + +AccFrameEventListener::AccFrameEventListener(css::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 css::accessibility::AccessibleEventObject& aEvent ) +{ + SolarMutexGuard g; + + 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 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 = dynamic_cast<VCLXWindow*>(m_xAccessible.get()); + assert(pvclwindow); + const SystemEnvData* systemdata + = pvclwindow->GetWindow()->GetSystemData(); + + //add this child + pAgent->InsertAccObj(pAcc, m_xAccessible.get(), systemdata->hWnd); + //add all oldValue's existing children + pAgent->InsertChildrenAccObj(pAcc); + pAgent->NotifyAccEvent(UnoMSAAEvent::CHILD_ADDED, pAcc); + } + } + else if (oldValue >>= xChild) + { + //delete an existing child + if(xChild.is()) + { + XAccessible* pAcc = xChild.get(); + pAgent->NotifyAccEvent(UnoMSAAEvent::CHILD_REMOVED, pAcc); + //delete all oldValue's existing children + pAgent->DeleteChildrenAccObj( pAcc ); + //delete this child + pAgent->DeleteAccObj( pAcc ); + } + } + +} + +/** + * 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(m_xAccessible.get(), AccessibleStateType::VISIBLE); + else + pAgent->DecreaseState(m_xAccessible.get(), AccessibleStateType::VISIBLE); + break; + case AccessibleStateType::ACTIVE: + // Only frames should be active + // no msaa state mapping + break; + default: + break; + } +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |