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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
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
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 * 
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#ifndef FORMS_SOURCE_INC_CONTROLFEATUREINTERCEPTION_HXX
#define FORMS_SOURCE_INC_CONTROLFEATUREINTERCEPTION_HXX

/** === begin UNO includes === **/
#include <com/sun/star/lang/XMultiServiceFactory.hpp>
#include <com/sun/star/frame/XDispatchProviderInterceptor.hpp>
/** === end UNO includes === **/

#include <memory>

//........................................................................
namespace frm
{
//........................................................................

    class UrlTransformer;
	//====================================================================
	//= ControlFeatureInterception
	//====================================================================
    /** helper class for controls which allow some of their features to be intercepted
        by external instances

        For using this class, instantiate it as member, derive yourself from
        <type scope="com::sun::star::frame">XDispatchProviderInterception</type>, and forward all
        respective methods to this member.

        Additionally, don't forget to call <member>dispose</member> when your class is disposed itself.
    */
	class ControlFeatureInterception
	{
    private:
        ::com::sun::star::uno::Reference< ::com::sun::star::frame::XDispatchProviderInterceptor >
                                            m_xFirstDispatchInterceptor;
        ::std::auto_ptr< UrlTransformer >   m_pUrlTransformer;

    public:
        /** retrieves our URL transformer, so our clients may use it, too
        */
        const UrlTransformer& getTransformer() const { return *m_pUrlTransformer; }

    public:
        ControlFeatureInterception( const ::com::sun::star::uno::Reference< ::com::sun::star::lang::XMultiServiceFactory >& _rxORB );

        // XDispatchProviderInterception
        void SAL_CALL registerDispatchProviderInterceptor( const ::com::sun::star::uno::Reference< ::com::sun::star::frame::XDispatchProviderInterceptor >& Interceptor ) throw (::com::sun::star::uno::RuntimeException );
        void SAL_CALL releaseDispatchProviderInterceptor( const ::com::sun::star::uno::Reference< ::com::sun::star::frame::XDispatchProviderInterceptor >& Interceptor ) throw (::com::sun::star::uno::RuntimeException );

        // XComponent
        void SAL_CALL dispose();

        /** queries the interceptor chain for the given dispatch
        */
        ::com::sun::star::uno::Reference< ::com::sun::star::frame::XDispatch >
            queryDispatch( const ::com::sun::star::util::URL& _rURL, const ::rtl::OUString& _rTargetFrameName, ::sal_Int32 _nSearchFlags ) SAL_THROW((::com::sun::star::uno::RuntimeException));

        /** queries the interceptor chain for the given dispatch, with a blank target frame and no frame search flags
        */
        ::com::sun::star::uno::Reference< ::com::sun::star::frame::XDispatch >
            queryDispatch( const ::com::sun::star::util::URL& _rURL ) SAL_THROW((::com::sun::star::uno::RuntimeException));

        /** queries the interceptor chain for the URL given as ASCII string,
            with a blank target frame and no frame search flags
        */
        ::com::sun::star::uno::Reference< ::com::sun::star::frame::XDispatch >
            queryDispatch( const sal_Char* _pAsciiURL ) SAL_THROW((::com::sun::star::uno::RuntimeException));
	};

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

#endif // FORMS_SOURCE_INC_CONTROLFEATUREINTERCEPTION_HXX