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diff --git a/winaccessibility/inc/AccComponentEventListener.hxx b/winaccessibility/inc/AccComponentEventListener.hxx
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+++ b/winaccessibility/inc/AccComponentEventListener.hxx
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+/**************************************************************
+ *
+ * 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.
+ *
+ *************************************************************/
+
+#ifndef __ACCCOMPONENTEVENTLISTENER_HXX
+#define __ACCCOMPONENTEVENTLISTENER_HXX
+
+#include <stdio.h>
+#include "AccEventListener.hxx"
+#include <com/sun/star/accessibility/XAccessibleEventListener.hpp>
+#include <com/sun/star/accessibility/XAccessible.hpp>
+
+using namespace ::com::sun::star::uno;
+/**
+ * AccComponentEventListener is inherited from AccEventListener. It handles the evnets
+ * generated by component controls. The accessible roles are: CHECK_BOX, ICON, LABEL,
+ * MENU_ITEM, PUSH_BUTTON, RADIO_BUTTON, SCROLL_BAR, SEPARATOR, TOGGLE_BUTTON, TOOL_TIP, SPIN_BOX.
+ * It defines the procedure of specific event handling related with components and provides
+ * the detailed support for some related methods.
+ */
+class AccComponentEventListener: public AccEventListener
+{
+private:
+    static FILE *output, *output2, *output3, *outacc;//used for debugging
+public:
+    AccComponentEventListener(com::sun::star::accessibility::XAccessible* pAcc, AccObjectManagerAgent* Agent);
+    virtual ~AccComponentEventListener();
+
+    //AccessibleEventListener
+    virtual void SAL_CALL notifyEvent( const ::com::sun::star::accessibility::AccessibleEventObject& aEvent ) throw (::com::sun::star::uno::RuntimeException);
+
+    //for value changed event
+    virtual void SAL_CALL handleValueChangedEvent(Any oldValue, Any newValue);
+
+    //for action changed event
+    virtual void SAL_CALL handleActionChangedEvent();
+
+    //for text changed event
+    virtual void SAL_CALL handleTextChangedEvent(Any oldValue, Any newValue);
+
+    //for caret changed event
+    virtual void SAL_CALL handleCaretChangedEvent(Any oldValue, Any newValue);
+
+    //for visible data changed event
+    virtual void SAL_CALL handleVisibleDataChangedEvent();
+
+    //for bound rect changed event
+    virtual void SAL_CALL handleBoundrectChangedEvent();
+
+    virtual void SAL_CALL setComponentState(short state, bool enable);
+    virtual void SAL_CALL fireStatePropertyChange(short state, bool set
+                                                     );
+    virtual void SAL_CALL fireStateFocusdChange(bool enable);
+
+    void handleSelectionChangedEvent();
+
+    //add TEXT_SELECTION_CHANGED event
+    void handleTextSelectionChangedEvent();
+};
+
+#endif