WeakListenerAdapter.hxx

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#pragma once
 
#include <com/sun/star/lang/XEventListener.hpp>
#include <com/sun/star/view/XSelectionChangeListener.hpp>
#include <cppuhelper/weakref.hxx>
#include <cppuhelper/implbase.hxx>
 
namespace chart
{
 
template< class Listener >
    class WeakListenerAdapter : public
    ::cppu::WeakImplHelper< Listener >
{
public:
    explicit WeakListenerAdapter( const css::uno::Reference< Listener > & xListener ) :
            m_xListener( xListener )
    {}
 
protected:
    // ____ XEventListener (base of all listeners) ____
    virtual void SAL_CALL disposing(
        const css::lang::EventObject& Source ) override
    {
        css::uno::Reference< css::lang::XEventListener > xEventListener(
                  css::uno::Reference< Listener >( m_xListener), css::uno::UNO_QUERY );
        if( xEventListener.is())
            xEventListener->disposing( Source );
    }
 
    css::uno::Reference< Listener > getListener() const
    {
        return m_xListener;
    }
 
private:
    css::uno::WeakReference< Listener > m_xListener;
};
 
class WeakSelectionChangeListenerAdapter final :
        public WeakListenerAdapter< css::view::XSelectionChangeListener >
{
public:
    explicit WeakSelectionChangeListenerAdapter(
        const css::uno::Reference< css::view::XSelectionChangeListener > & xListener );
    virtual ~WeakSelectionChangeListenerAdapter() override;
 
protected:
    // ____ XSelectionChangeListener ____
    virtual void SAL_CALL selectionChanged(
        const css::lang::EventObject& aEvent ) override;
};
 
} //  namespace chart
 
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