propmultiplex.hxx

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#ifndef INCLUDED_COMPHELPER_PROPMULTIPLEX_HXX
#define INCLUDED_COMPHELPER_PROPMULTIPLEX_HXX
 
#include <com/sun/star/beans/XPropertyChangeListener.hpp>
#include <cppuhelper/implbase.hxx>
#include <comphelper/comphelperdllapi.h>
#include <rtl/ref.hxx>
#include <vector>
 
namespace com::sun::star::beans { class XPropertySet; }
 
//= property helper classes
 
 
namespace comphelper
{
 
 
    class OPropertyChangeMultiplexer;
 
 
    //= OPropertyChangeListener
 
    class COMPHELPER_DLLPUBLIC OPropertyChangeListener
    {
        friend class OPropertyChangeMultiplexer;
 
        rtl::Reference<OPropertyChangeMultiplexer> m_xAdapter;
        ::osl::Mutex&               m_rMutex;
 
    public:
        OPropertyChangeListener(::osl::Mutex& _rMutex)
            : m_rMutex(_rMutex) { }
        virtual ~OPropertyChangeListener();
 
        virtual void _propertyChanged(const css::beans::PropertyChangeEvent& _rEvent) = 0;
        virtual void _disposing(const css::lang::EventObject& _rSource);
 
    protected:
        void    disposeAdapter();
 
        // pseudo-private. Making it private now could break compatibility
        void    setAdapter( OPropertyChangeMultiplexer* _pAdapter );
    };
 
 
    //= OPropertyChangeMultiplexer
 
    // workaround for incremental linking bugs in MSVC2019
    class SAL_DLLPUBLIC_TEMPLATE OPropertyChangeMultiplexer_Base : public cppu::WeakImplHelper< css::beans::XPropertyChangeListener > {};
    class COMPHELPER_DLLPUBLIC OPropertyChangeMultiplexer final : public OPropertyChangeMultiplexer_Base
    {
        friend class OPropertyChangeListener;
        std::vector< OUString >                         m_aProperties;
        css::uno::Reference< css::beans::XPropertySet>  m_xSet;
        OPropertyChangeListener*                        m_pListener;
        sal_Int32                                       m_nLockCount;
        bool                                            m_bListening        : 1;
        bool const                                      m_bAutoSetRelease   : 1;
 
 
        virtual ~OPropertyChangeMultiplexer() override;
    public:
        OPropertyChangeMultiplexer(OPropertyChangeListener* _pListener, const  css::uno::Reference< css::beans::XPropertySet>& _rxSet, bool _bAutoReleaseSet = true);
 
    // XEventListener
        virtual void SAL_CALL disposing( const  css::lang::EventObject& Source ) override;
 
    // XPropertyChangeListener
        virtual void SAL_CALL propertyChange( const  css::beans::PropertyChangeEvent& evt ) override;
 
        void        lock();
        void        unlock();
        sal_Int32   locked() const { return m_nLockCount; }
 
        void addProperty(const OUString& aPropertyName);
        void dispose();
    };
 
 
}   // namespace comphelper
 
 
#endif // INCLUDED_COMPHELPER_PROPMULTIPLEX_HXX
 
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