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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
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
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 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
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#ifndef _UCBHELPER_CONTENTBROKER_HXX
#define _UCBHELPER_CONTENTBROKER_HXX

#include <com/sun/star/uno/Reference.hxx>
#include <com/sun/star/uno/Sequence.h>

namespace com { namespace sun { namespace star { namespace lang {
	class XMultiServiceFactory;
} } } }

namespace com { namespace sun { namespace star { namespace ucb {
	class XContentIdentifierFactory;
	class XContentProvider;
	class XContentProviderManager;
    class XCommandProcessor;
} } } }
#include <ucbhelper/registerucb.hxx>
#include "ucbhelper/ucbhelperdllapi.h"

namespace ucbhelper
{

class ContentBroker_Impl;

//=========================================================================

/**
  * This class simplifies access to the Universal Content Broker (UCB).
  * Currently there can only be one UCB instance per process. This class can
  * be used to initialize and deinitialize the Broker and to access its
  * interfaces directly.
  */
class UCBHELPER_DLLPUBLIC ContentBroker
{
	ContentBroker_Impl* 	m_pImpl;
	// The "one and only" Broker.
	static ContentBroker* 	m_pTheBroker;

private:
	UCBHELPER_DLLPRIVATE ContentBroker( const ContentBroker& ); 				// n.i.
    UCBHELPER_DLLPRIVATE ContentBroker& operator=( const ContentBroker& ); 	// n.i.

	/** Constructor.
	  *
	  * @param rxSMgr is a Service Manager.
	  *	@param rArguments are the arguments to pass to the
	  *	       com.sun.star.ucb.UniversalContentBroker service when creating it.
	  *	       Currently, this must be a sequence containing exactly two
	  *        strings, a primary and a secondary configuration key.
	  *        Refer to http://ucb.openoffice.org/docs/ucb-configuration.html
	  *        for more information on UCB configuration.
	  */
	UCBHELPER_DLLPRIVATE ContentBroker( const ::com::sun::star::uno::Reference<
			 		::com::sun::star::lang::XMultiServiceFactory >&	rSMgr,
				   const ::com::sun::star::uno::Sequence<
				    ::com::sun::star::uno::Any >& rArguments );

	/** Constructor.
	  *
	  * @param rxSMgr is a Service Manager.
      * @param rData are the data for the for the content providers for
      *        the new UCB.
	  */
	UCBHELPER_DLLPRIVATE ContentBroker( const ::com::sun::star::uno::Reference<
			 		::com::sun::star::lang::XMultiServiceFactory >&	rSMgr,
                   const ContentProviderDataList & rData );

protected:
	/**
	  * Destructor.
	  */
	~ContentBroker();

public:
	/** Initialize "the one and only" Broker.  This method must be called
	  *	exactly once, before the Broker is used in any way.
	  *
	  *	@param rSMgr is a factory to create services needed in the Broker's
	  *	       implementation.
	  *
	  *	@param rArguments are the arguments to pass to the
	  *	       com.sun.star.ucb.UniversalContentBroker service when creating
	  *        it. Currently, this must be a sequence containing exactly two
	  *        strings, a primary and a secondary configuration key.
	  *        Refer to http://ucb.openoffice.org/docs/ucb-configuration.html
	  *        for more information on UCB configuration.
	  *
	  *	@return True if creation and possible configuration of the Broker
	  *	        was successful.
	  */
	static sal_Bool
	initialize( const::com::sun::star::uno::Reference<
					::com::sun::star::lang::XMultiServiceFactory >& rSMgr,
				const ::com::sun::star::uno::Sequence<
					::com::sun::star::uno::Any >& rArguments );

	/** Initialize "the one and only" Broker.  This method must be called
	  *	exactly once, before the Broker is used in any way.
	  *
	  *	@param rSMgr is a factory to create services needed in the Broker's
	  *	       implementation.
	  *
      * @param rData are the data for the for the content providers for
      *        the UCB to initialize.
	  *
	  *	@return True if creation and possible configuration of the Broker
	  *	        was successful.
	  */
	static sal_Bool
	initialize( const::com::sun::star::uno::Reference<
					::com::sun::star::lang::XMultiServiceFactory >& rSMgr,
                const ContentProviderDataList & rData );

	/** Deinitialize "the one and only" Broker.  Once this method has been
	  *	called, the Broker must not be used any longer.
	  */
	static void
	deinitialize();

	/**
	  * This method returns the Broker, if it was already initialized.
	  *
	  * @return the Broker or 0, if ContentBroker::initialize() was not yet
	  *         called or did fail.
	  */
	static ContentBroker*
	get();

	/**
	  * This method returns the Service Manager used to instanciate the Broker.
	  *
	  * @return a Service Manager.
	  */
	::com::sun::star::uno::Reference<
		::com::sun::star::lang::XMultiServiceFactory >
	getServiceManager() const;

	/**
	  * This method returns the XContentIdentifierFactory interface of the
	  * Broker.
	  *
	  * @return a XContentIdentifierFactory interface.
	  */
	::com::sun::star::uno::Reference<
		::com::sun::star::ucb::XContentIdentifierFactory >
	getContentIdentifierFactoryInterface() const;

	/**
	  * This method returns the XContentProvider interface of the Broker.
	  *
	  * @return a XContentProvider interface.
	  */
	::com::sun::star::uno::Reference<
		::com::sun::star::ucb::XContentProvider >
	getContentProviderInterface() const;

	/**
	  * This method returns the XContentProviderManager interface of the Broker.
	  *
	  * @return a XContentProviderManager interface.
	  */
	::com::sun::star::uno::Reference<
		::com::sun::star::ucb::XContentProviderManager >
	getContentProviderManagerInterface() const;

	/**
      * This method returns the XCommandProcessor interface of the Broker.
	  *
      * @return a XCommandProcessor interface.
	  */
	::com::sun::star::uno::Reference<
        ::com::sun::star::ucb::XCommandProcessor >
    getCommandProcessorInterface() const;
};

} /* namespace ucbhelper */

#endif /* !_UCBHELPER_CONTENTBROKER_HXX */