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21 
22 #ifndef __ACCDESCENDANTMANAGEREVENTLISTENER_HXX
23 #define __ACCDESCENDANTMANAGEREVENTLISTENER_HXX
24 
25 #include <stdio.h>
26 #include "AccComponentEventListener.hxx"
27 #include <com/sun/star/accessibility/XAccessibleEventListener.hpp>
28 #include <com/sun/star/accessibility/XAccessible.hpp>
29 
30 using namespace ::com::sun::star::uno;
31 
32 /**
33  * AccDescendantManagerEventListener is inherited from AccComponentEventListener. It handles
34  * the evnets generated by active descendant controls. They are: TREE, LIST, and TABLE.
35  * It defines the procedure of specific event handling related with active descendant components
36  * and provides the detailed support for some related methods.
37  */
38 class AccDescendantManagerEventListener: public AccComponentEventListener
39 {
40 protected:
41     ::com::sun::star::accessibility::XAccessible* pActiveDescendant;
42 public:
43     AccDescendantManagerEventListener(com::sun::star::accessibility::XAccessible* pAcc, AccObjectManagerAgent* Agent);
44     virtual ~AccDescendantManagerEventListener();
45 
46     //AccessibleEventListener
47     virtual void SAL_CALL notifyEvent( const ::com::sun::star::accessibility::AccessibleEventObject& aEvent ) throw (::com::sun::star::uno::RuntimeException);
48 
49     //for selection changed event
50     virtual void SAL_CALL handleSelectionChangedEvent(Any oldValue, Any newValue);
51 
52     //for child changed event
53     virtual void SAL_CALL handleChildChangedEvent (Any oldValue, Any newValue);
54 
55     virtual void SAL_CALL handleChildChangedNoFocusEvent(Any oldValue, Any newValue);
56 
57     bool NotifyChildEvent(short nWinEvent,const Any &Value);
58 
59     virtual void handleSelectionChangedAddEvent(const Any &oldValue, const Any &newValue);
60     virtual void handleSelectionChangedRemoveEvent(const Any &oldValue, const Any &newValue);
61     virtual void handleSelectionChangedWithinEvent(const Any &oldValue, const Any &newValue);
62 };
63 
64 #endif
65