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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 09:06:44 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 09:06:44 +0000 |
commit | ed5640d8b587fbcfed7dd7967f3de04b37a76f26 (patch) | |
tree | 7a5f7c6c9d02226d7471cb3cc8fbbf631b415303 /winaccessibility/source/service/AccParagraphEventListener.cxx | |
parent | Initial commit. (diff) | |
download | libreoffice-ed5640d8b587fbcfed7dd7967f3de04b37a76f26.tar.xz libreoffice-ed5640d8b587fbcfed7dd7967f3de04b37a76f26.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/AccParagraphEventListener.cxx')
-rw-r--r-- | winaccessibility/source/service/AccParagraphEventListener.cxx | 131 |
1 files changed, 131 insertions, 0 deletions
diff --git a/winaccessibility/source/service/AccParagraphEventListener.cxx b/winaccessibility/source/service/AccParagraphEventListener.cxx new file mode 100644 index 000000000..66783030c --- /dev/null +++ b/winaccessibility/source/service/AccParagraphEventListener.cxx @@ -0,0 +1,131 @@ +/* -*- 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 <AccParagraphEventListener.hxx> +#include <AccObjectManagerAgent.hxx> +#include <unomsaaevent.hxx> + +using namespace com::sun::star::uno; +using namespace com::sun::star::accessibility; + +AccParagraphEventListener::AccParagraphEventListener(css::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 css::accessibility::AccessibleEventObject& aEvent ) +{ + SolarMutexGuard g; + + 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(m_xAccessible.get(), State); + break; + } + else if( (aEvent.OldValue >>= State) && (State == AccessibleStateType::SELECTED) ) + { + pAgent->DecreaseState(m_xAccessible.get(), 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, Any) +{ + AccObjectManagerAgent::UpdateLocation(m_xAccessible.get()); + pAgent->NotifyAccEvent(UnoMSAAEvent::OBJECT_CARETCHANGE, m_xAccessible.get()); +} + +/** + * 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(UnoMSAAEvent::TEXT_SELECTION_CHANGED, m_xAccessible.get()); +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |