LibreOffice Module comphelper (master)  1
SelectionMultiplex.hxx
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19 
20 #ifndef INCLUDED_COMPHELPER_SELECTIONMULTIPLEX_HXX
21 #define INCLUDED_COMPHELPER_SELECTIONMULTIPLEX_HXX
22 
23 #include <com/sun/star/view/XSelectionChangeListener.hpp>
24 #include <com/sun/star/lang/EventObject.hpp>
25 #include <cppuhelper/implbase.hxx>
27 
28 namespace com::sun::star::view { class XSelectionSupplier; }
29 
30 //= selection helper classes
31 
32 
33 namespace comphelper
34 {
35 
36 
37  //= OSelectionChangeListener
38 
41  {
43 
44  public:
46  virtual ~OSelectionChangeListener();
47 
49  virtual void _selectionChanged( const css::lang::EventObject& aEvent ) = 0;
51  virtual void _disposing(const css::lang::EventObject& _rSource);
52  };
53 
54 
55  //= OSelectionChangeMultiplexer
56 
58  class COMPHELPER_DLLPUBLIC OSelectionChangeMultiplexer :public cppu::WeakImplHelper< css::view::XSelectionChangeListener>
59  {
61  css::uno::Reference< css::view::XSelectionSupplier> m_xSet;
63  sal_Int32 m_nLockCount;
64 
66  OSelectionChangeMultiplexer& operator=(const OSelectionChangeMultiplexer&) = delete;
67  protected:
68  virtual ~OSelectionChangeMultiplexer() override;
69  public:
70  OSelectionChangeMultiplexer(OSelectionChangeListener* _pListener, const css::uno::Reference< css::view::XSelectionSupplier>& _rxSet);
71 
72  // XEventListener
73  virtual void SAL_CALL disposing( const css::lang::EventObject& Source ) override;
74 
75  // XSelectionChangeListener
76  virtual void SAL_CALL selectionChanged( const css::lang::EventObject& aEvent ) override;
77 
79  void lock();
81  void unlock();
83  sal_Int32 locked() const { return m_nLockCount; }
84  };
85 
86 
87 } // namespace comphelper
88 
89 
90 #endif // INCLUDED_COMPHELPER_SELECTIONMULTIPLEX_HXX
91 
92 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
css::uno::Reference< css::view::XSelectionSupplier > m_xSet
virtual DECL_LISTENERMULTIPLEXER_END void SAL_CALL selectionChanged(const css::lang::EventObject &aEvent) override
simple listener adapter for selections
sal_Int32 locked() const
get the lock count
multiplexer for selection changes
#define COMPHELPER_DLLPUBLIC
std::shared_ptr< osl::Mutex > const & lock()
AnyEventRef aEvent