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 * Copyright 2008 by Sun Microsystems, Inc.
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 * OpenOffice.org - a multi-platform office productivity suite
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 * $RCSfile: clipboarddispatcher.hxx,v $
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#ifndef FORMS_SOURCE_RICHTEXT_CLIPBOARDDISPATCHER_HXX
#define FORMS_SOURCE_RICHTEXT_CLIPBOARDDISPATCHER_HXX

#include "featuredispatcher.hxx"
#include <tools/link.hxx>

class TransferableClipboardListener;
class TransferableDataHelper;
//........................................................................
namespace frm
{
//........................................................................

    //====================================================================
    //= OClipboardDispatcher
    //====================================================================
    class OClipboardDispatcher : public ORichTextFeatureDispatcher
    {
    public:
        enum ClipboardFunc
        {
            eCut,
            eCopy,
            ePaste
        };

    private:
        ClipboardFunc   m_eFunc;
        sal_Bool        m_bLastKnownEnabled;

    public:
        OClipboardDispatcher( EditView& _rView, ClipboardFunc _eFunc );

    protected:
        // XDispatch
        virtual void SAL_CALL dispatch( const ::com::sun::star::util::URL& URL, const ::com::sun::star::uno::Sequence< ::com::sun::star::beans::PropertyValue >& Arguments ) throw (::com::sun::star::uno::RuntimeException);

        // ORichTextFeatureDispatcher
        virtual void    invalidateFeatureState_Broadcast();
        virtual ::com::sun::star::frame::FeatureStateEvent
                        buildStatusEvent() const;

    protected:
        /** determines whether our functionality is currently available
            to be overridden for ePaste
        */
        virtual sal_Bool implIsEnabled( ) const;
    };

    //====================================================================
    //= OPasteClipboardDispatcher
    //====================================================================
    class OPasteClipboardDispatcher : public OClipboardDispatcher
    {
    private:
        TransferableClipboardListener*  m_pClipListener;
        sal_Bool                        m_bPastePossible;

    public:
        OPasteClipboardDispatcher( EditView& _rView );

    protected:
        ~OPasteClipboardDispatcher();

        // OClipboardDispatcher
        virtual sal_Bool    implIsEnabled( ) const;

        // ORichTextFeatureDispatcher
        virtual void    disposing( ::osl::ClearableMutexGuard& _rClearBeforeNotify );

    private:
        DECL_LINK( OnClipboardChanged, TransferableDataHelper* );
    };

//........................................................................
} // namespace frm
//........................................................................

#endif // FORMS_SOURCE_RICHTEXT_CLIPBOARDDISPATCHER_HXX