1 files changed, 145 insertions, 0 deletions
diff --git a/winaccessibility/source/service/AccParagraphEventListener.cxx b/winaccessibility/source/service/AccParagraphEventListener.cxx
new file mode 100644
index 000000000000..fbbc8753b986
--- /dev/null
+++ b/winaccessibility/source/service/AccParagraphEventListener.cxx
@@ -0,0 +1,145 @@
+/**************************************************************
+ *
+ * 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 "AccParagraphEventListener.hxx"
+#include "AccObjectManagerAgent.hxx"
+#include "unomsaaevent.hxx"
+
+using namespace com::sun::star::uno;
+using namespace com::sun::star::accessibility;
+
+AccParagraphEventListener::AccParagraphEventListener(com::sun::star::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 ::com::sun::star::accessibility::AccessibleEventObject& aEvent )
+throw (::com::sun::star::uno::RuntimeException)
+{
+    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( pAccessible, State);
+                break;
+            }
+            else if( (aEvent.OldValue >>= State) && (State == AccessibleStateType::SELECTED) )
+            {
+                pAgent->DecreaseState( pAccessible, 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 oldValue, Any newValue)
+{
+    pAgent->UpdateLocation(pAccessible);
+    pAgent->NotifyAccEvent(UM_EVENT_OBJECT_CARETCHANGE, pAccessible);
+}
+
+/**
+ *  handle the VISIBLE_DATA_CHANGED event
+ */
+void AccParagraphEventListener::handleVisibleDataChangedEvent()
+{
+    AccEventListener::handleVisibleDataChangedEvent();
+}
+
+/**
+ *  handle the BOUNDRECT_CHANGED event
+ */
+void AccParagraphEventListener::handleBoundrectChangedEvent()
+{
+    AccEventListener::handleBoundrectChangedEvent();
+}
+
+/**
+ *  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(UM_EVENT_TEXT_SELECTION_CHANGED, pAccessible);
+}
+