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
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+++ 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: */