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21 
22 
23 
24 // MARKER(update_precomp.py): autogen include statement, do not remove
25 #include "precompiled_chart2.hxx"
26 
27 #include "ModifyListenerCallBack.hxx"
28 #include "MutexContainer.hxx"
29 #include <cppuhelper/compbase1.hxx>
30 
31 using namespace ::com::sun::star;
32 using ::com::sun::star::uno::Reference;
33 
34 namespace chart {
35 
36 typedef ::cppu::WeakComponentImplHelper1<
37         ::com::sun::star::util::XModifyListener >
38     ModifyListenerCallBack_Base;
39 
40 class ModifyListenerCallBack_impl
41     : public ::chart::MutexContainer
42     , public ModifyListenerCallBack_Base
43 {
44 public:
45     explicit ModifyListenerCallBack_impl( const Link& rCallBack );
46     virtual ~ModifyListenerCallBack_impl();
47 
48     void startListening( const Reference< util::XModifyBroadcaster >& xBroadcaster );
49     void stopListening();
50 
51     //XModifyListener
52     virtual void SAL_CALL modified( const lang::EventObject& aEvent ) throw (uno::RuntimeException);
53 
54     //XEventListener
55     virtual void SAL_CALL disposing( const lang::EventObject& Source ) throw (uno::RuntimeException);
56 
57     using ::cppu::WeakComponentImplHelperBase::disposing;
58 
59 private:
60     Link m_aLink;//will be callef on modify
61     Reference< util::XModifyBroadcaster > m_xBroadcaster;//broadcaster to listen at
62 };
63 
64 
ModifyListenerCallBack_impl(const Link & rCallBack)65 ModifyListenerCallBack_impl::ModifyListenerCallBack_impl( const Link& rCallBack )
66                         : ModifyListenerCallBack_Base( m_aMutex )
67                         , m_aLink( rCallBack )
68                         , m_xBroadcaster(0)
69 {
70 }
71 
~ModifyListenerCallBack_impl()72 ModifyListenerCallBack_impl::~ModifyListenerCallBack_impl()
73 {
74 }
75 
76 //XModifyListener
modified(const lang::EventObject &)77 void SAL_CALL ModifyListenerCallBack_impl::modified( const lang::EventObject& /*aEvent*/ ) throw (uno::RuntimeException)
78 {
79     m_aLink.Call(0);
80 }
81 
82 //XEventListener
disposing(const lang::EventObject &)83 void SAL_CALL ModifyListenerCallBack_impl::disposing( const lang::EventObject& /*Source*/ ) throw (uno::RuntimeException)
84 {
85     m_xBroadcaster.clear();
86 }
87 
startListening(const::com::sun::star::uno::Reference<::com::sun::star::util::XModifyBroadcaster> & xBroadcaster)88 void ModifyListenerCallBack_impl::startListening( const ::com::sun::star::uno::Reference< ::com::sun::star::util::XModifyBroadcaster >& xBroadcaster )
89 {
90     if( m_xBroadcaster == xBroadcaster )
91         return;
92 
93     stopListening();
94     m_xBroadcaster = xBroadcaster;
95     if( m_xBroadcaster.is() )
96         m_xBroadcaster->addModifyListener( this );
97 }
stopListening()98 void ModifyListenerCallBack_impl::stopListening()
99 {
100     if( m_xBroadcaster.is() )
101     {
102         m_xBroadcaster->removeModifyListener( this );
103         m_xBroadcaster.clear();
104     }
105 }
106 
107 //-------------------------------------------
108 
ModifyListenerCallBack(const Link & rCallBack)109 ModifyListenerCallBack::ModifyListenerCallBack( const Link& rCallBack )
110                         : pModifyListener_impl( new ModifyListenerCallBack_impl(rCallBack) )
111                         , m_xModifyListener( pModifyListener_impl )
112 {
113 }
114 
~ModifyListenerCallBack()115 ModifyListenerCallBack::~ModifyListenerCallBack()
116 {
117     stopListening();
118 }
119 
startListening(const::com::sun::star::uno::Reference<::com::sun::star::util::XModifyBroadcaster> & xBroadcaster)120 void ModifyListenerCallBack::startListening( const ::com::sun::star::uno::Reference< ::com::sun::star::util::XModifyBroadcaster >& xBroadcaster )
121 {
122     pModifyListener_impl->startListening( xBroadcaster );
123 }
stopListening()124 void ModifyListenerCallBack::stopListening()
125 {
126     pModifyListener_impl->stopListening();
127 }
128 
129 } // namespace chart
130 
131