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 * 
 * Licensed to the Apache Software Foundation (ASF) under one
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 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
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 * with the License.  You may obtain a copy of the License at
 * 
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#ifndef _SFXSTATUSLISTENER_HXX
#define _SFXSTATUSLISTENER_HXX

#include "sal/config.h"
#include "sfx2/dllapi.h"
#include <svl/poolitem.hxx>
#include <cppuhelper/weak.hxx>
#include <osl/conditn.hxx>
#include <com/sun/star/frame/FeatureStateEvent.hpp>
#include <com/sun/star/frame/XDispatchProvider.hpp>
#include <com/sun/star/lang/XComponent.hpp>
#include <com/sun/star/frame/XStatusListener.hpp>

#include <sfx2/sfxuno.hxx>

// Interface for implementations which needs to get notifications about state changes
class SfxStatusListenerInterface
{
    public:
        virtual void StateChanged( sal_uInt16 nSlotId, SfxItemState eState, const SfxPoolItem* pState ) = 0;
};

class SFX2_DLLPUBLIC SfxStatusListener :
                          public ::com::sun::star::frame::XStatusListener	,
					      public ::com::sun::star::lang::XTypeProvider      ,
                          public ::com::sun::star::lang::XComponent         ,
					      public ::cppu::OWeakObject 
{
    public:
	    SFX_DECL_XINTERFACE_XTYPEPROVIDER

        SfxStatusListener( const ::com::sun::star::uno::Reference< ::com::sun::star::frame::XDispatchProvider >& rDispatchProvider, sal_uInt16 nSlotId, const rtl::OUString& aCommand );
        virtual ~SfxStatusListener();

        // old methods from SfxControllerItem
	    sal_uInt16  GetId() const { return m_nSlotID; }
	    void    Bind();
        void    Bind( sal_uInt16 nSlotID, const rtl::OUString& rNewCommand );
	    void    UnBind();
	    void    ReBind();

        virtual void StateChanged( sal_uInt16 nSID, SfxItemState eState, const SfxPoolItem* pState );

        // XComponent
        virtual void SAL_CALL dispose() throw( ::com::sun::star::uno::RuntimeException );
        virtual void SAL_CALL addEventListener( const ::com::sun::star::uno::Reference< ::com::sun::star::lang::XEventListener >& xListener ) throw (::com::sun::star::uno::RuntimeException);
        virtual void SAL_CALL removeEventListener( const ::com::sun::star::uno::Reference< ::com::sun::star::lang::XEventListener >& aListener ) throw (::com::sun::star::uno::RuntimeException);

        // XEventListener
	    virtual void SAL_CALL disposing(const ::com::sun::star::lang::EventObject& Source) throw( ::com::sun::star::uno::RuntimeException );

        // XStatusListener
	    virtual void SAL_CALL statusChanged(const ::com::sun::star::frame::FeatureStateEvent& Event) throw( ::com::sun::star::uno::RuntimeException );

    private:
        SfxStatusListener( const SfxStatusListener& );
        SfxStatusListener();
        SfxStatusListener& operator=( const SfxStatusListener& );

        sal_uInt16                                                                          m_nSlotID;
        ::com::sun::star::util::URL                                                     m_aCommand;
        ::com::sun::star::uno::Reference< ::com::sun::star::frame::XDispatchProvider >  m_xDispatchProvider;
        ::com::sun::star::uno::Reference< com::sun::star::frame::XDispatch >            m_xDispatch;
};

#endif // _SFXSTATUSLISTENER_HXX