xref: /aoo4110/main/framework/inc/services/frameloaderfactory.hxx (revision b1cdbd2c)

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#ifndef __FRAMEWORK_SERVICES_FRAMELOADERFACTORY_HXX_
#define __FRAMEWORK_SERVICES_FRAMELOADERFACTORY_HXX_

//_________________________________________________________________________________________________________________
//	my own includes
//_________________________________________________________________________________________________________________

#include <classes/filtercache.hxx>
#include <threadhelp/threadhelpbase.hxx>
#include <macros/generic.hxx>
#include <macros/debug.hxx>
#include <macros/xinterface.hxx>
#include <macros/xtypeprovider.hxx>
#include <macros/xserviceinfo.hxx>
#include <general.h>

//_________________________________________________________________________________________________________________
//	interface includes
//_________________________________________________________________________________________________________________
#include <com/sun/star/beans/PropertyValue.hpp>
#include <com/sun/star/lang/XInitialization.hpp>
#include <com/sun/star/lang/WrappedTargetException.hpp>
#include <com/sun/star/container/XNameAccess.hpp>
#include <com/sun/star/container/NoSuchElementException.hpp>
#include <com/sun/star/io/XInputStream.hpp>

//_________________________________________________________________________________________________________________
//	other includes
//_________________________________________________________________________________________________________________
#include <cppuhelper/implbase3.hxx>

//_________________________________________________________________________________________________________________
//	namespace
//_________________________________________________________________________________________________________________

namespace framework{

//_________________________________________________________________________________________________________________
//	exported const
//_________________________________________________________________________________________________________________

//_________________________________________________________________________________________________________________
//	exported definitions
//_________________________________________________________________________________________________________________

struct tIMPLExtractedArguments
{
	::rtl::OUString									sMimeType			;
	sal_Int32										nFlags				;
	::rtl::OUString									sFilterName			;
	sal_Int32										nClipboardFormat	;
	::rtl::OUString									sDetectService		;
	css::uno::Reference< css::io::XInputStream >	xInputStream		;

	sal_Int32										nValidMask			;
};

/*-************************************************************************************************************//**
	@short		factory to create frameloader-objects
	@descr		These class can be used to create new loader for specified contents.
				We use cached values of the registry to lay down, wich frameloader match
				a given URL or filtername. To do this, we use the XMultiServiceFactory-interface.

	@ATTENTION	In a specialmode of these implementation we support a simple filterdetection.
				But there is no special interface. You must call some existing methods in another context!
				see createInstanceWithArguments() fo rfurther informations!

	@implements	XInterface
				XTypeProvider
				XServiceInfo
				XMultiServiceFactory
				XNameAccess
				XElementAccess
	@base		ThreadHelpBase
				OWeakObject

	@devstatus	deprecated
*//*-*************************************************************************************************************/

class FrameLoaderFactory	:	public ThreadHelpBase							,		// Struct for right initalization of mutex member! Mst first of baseclasses
								public ::cppu::WeakImplHelper3< ::com::sun::star::lang::XServiceInfo,::com::sun::star::lang::XMultiServiceFactory,::com::sun::star::container::XNameAccess >
{
	//-------------------------------------------------------------------------------------------------------------
	//	public methods
	//-------------------------------------------------------------------------------------------------------------

	public:

		//---------------------------------------------------------------------------------------------------------
		//	constructor / destructor
		//---------------------------------------------------------------------------------------------------------

		/*-****************************************************************************************************//**
			@short		standard constructor
			@descr		Initialize a new instance and fill the registrycache with values.
						To do this - xFactory must be valid!

			@seealso	class RegistryCache
			@seealso	member m_aRegistryCache

			@param		"xFactory", factory which has created us.
			@return		-

			@onerror	An ASSERTION is thrown in debug version, if xFactory is invalid or cache can't filled.
		*//*-*****************************************************************************************************/

	 	FrameLoaderFactory( const css::uno::Reference< css::lang::XMultiServiceFactory >& xFactory );

		/*-****************************************************************************************************//**
			@short		standard destructor to delete instance
			@descr		We use it to clear ouer cache.

			@seealso	class RegistryCache

			@param		-
			@return		-

			@onerror	-
		*//*-*****************************************************************************************************/

		virtual ~FrameLoaderFactory();

		//---------------------------------------------------------------------------------------------------------
		//	XInterface, XTypeProvider, XServiceInfo
		//---------------------------------------------------------------------------------------------------------

		DECLARE_XSERVICEINFO

		//---------------------------------------------------------------------------------------------------------
		//	XMultiServiceFactory
		//---------------------------------------------------------------------------------------------------------

		/*-****************************************************************************************************//**
			@short		create a new frameloder (without arguments!)
			@descr		We search for an agreement between given type name and our cache-content.
						If we found some information, we create the registered frameloader for these type.
						Otherwise - we return NULL.
						We search from begin to end of internal loader list!

			@seealso	method impl_createFrameLoader()
			@seealso	method createInstanceWithArguments()

			@param		"sTypeName", type name of a document to filter, open or save.
			@return		A reference to a new created frameloader.

			@onerror	A null reference is returned.
		*//*-*****************************************************************************************************/

		virtual css::uno::Reference< css::uno::XInterface > SAL_CALL createInstance( const ::rtl::OUString& sTypeName ) throw(	css::uno::Exception			,
																																css::uno::RuntimeException	);

		/*-****************************************************************************************************//**
			@short		create a new frameloder
			@descr		We search for an agreement between given type name and our cache-content.
						If we found some information, we create the registered frameloader for these type.
						Otherwise - we return NULL.
						You can give us some optional arguments to influence our search!

			@seealso	method impl_createFrameLoader()
			@seealso	method createInstance()

			@param		"sTypeName", type name of a document to filter, open or save.
			@param		"seqArguments", list of optional arguments for initializing of new frameloader.
			@return		A reference to a new created frameloader.

			@onerror	A null reference is returned.
		*//*-*****************************************************************************************************/

    	virtual css::uno::Reference< css::uno::XInterface > SAL_CALL createInstanceWithArguments(	const	::rtl::OUString&						sTypeName	,
																									const	css::uno::Sequence< css::uno::Any >&	seqArguments) throw(	css::uno::Exception		,
																									  																		css::uno::RuntimeException);

		/*-****************************************************************************************************//**
			@short		not supported
			@descr		Please use XNameAcces instead of these!

			@seealso	-

			@param		-
			@return		-

			@onerror	-
		*//*-*****************************************************************************************************/

    	virtual css::uno::Sequence< ::rtl::OUString > SAL_CALL getAvailableServiceNames() throw( css::uno::RuntimeException );

		//---------------------------------------------------------------------------------------------------------
		//	XNameAccess
		//---------------------------------------------------------------------------------------------------------

		/*-****************************************************************************************************//**
			@short		return properties of registered frame loader specified by his implementation name
			@descr		Use these method to get all informations about our internal loader cache
						and a special frame loader.
						We return a Sequence< PropertyValue > in an Any packed as result.

						structure of return value:
							[0].Name	=	"Types"
							[0].Value	=	list of supported types of these loader as [sequence< oustring >]

							[1].Name	=	"UIName"
							[1].Value	=	localized name of loader as [string]

			@seealso	method getElementNames()
			@seealso	method hasByName()

			@param		"sName", the name of searched frame loader (use getElementNames() to get it!)
			@return		A Sequence< PropertyValue > packed in an Any.

			@onerror	If given name not exist a NoSuchElementException is thrown.
		*//*-*****************************************************************************************************/

    	virtual css::uno::Any SAL_CALL getByName( const ::rtl::OUString& sName ) throw(	css::container::NoSuchElementException	,
																						css::lang::WrappedTargetException		,
																						css::uno::RuntimeException				);

		/*-****************************************************************************************************//**
			@short		return list of all well known loader names from configuration
			@descr		Use these method to get all names of well known loader.
						You can use it to get the properties of a loader by calling getByName()!

			@seealso	method getByName()
			@seealso	method hasByName()

			@param		-
			@return		A list of well known loader. Is static at runtime!

			@onerror	No error should occure.
		*//*-*****************************************************************************************************/

    	virtual css::uno::Sequence< ::rtl::OUString > SAL_CALL getElementNames() throw( css::uno::RuntimeException );

		/*-****************************************************************************************************//**
			@short		check if searched frame loader exist in configuration
			@descr		Normaly nobody need these method realy (use getElementNames() in combination with getByName()).
						We guarantee correctness of these mechanism. There is no reason to check for existing elements then ...
						but if you have an unknwon name and has no fun to search it in returned sequence ...
						you can call these ...

			@seealso	method getByName()
			@seealso	method getElementNames()

			@param		"sName", implementation name of searched frame loader
			@return		sal_True if loader exist, sal_False otherwise.

			@onerror	No error should occure.
		*//*-*****************************************************************************************************/

    	virtual sal_Bool SAL_CALL hasByName( const ::rtl::OUString& sName ) throw( css::uno::RuntimeException );

		//---------------------------------------------------------------------------------------------------------
		//	XElementAccess
		//---------------------------------------------------------------------------------------------------------

		/*-****************************************************************************************************//**
			@short		return the type of retrun value of method XNameAccess::getByName()
			@descr		In these implementation its a Sequence< PropertyValue > everytime!

			@seealso	description of interface XNameAccess

			@param		-
			@return		Type of Sequence< PropertyValue >.

			@onerror	No error should occure.
		*//*-*****************************************************************************************************/

		virtual css::uno::Type SAL_CALL getElementType() throw( css::uno::RuntimeException );

		/*-****************************************************************************************************//**
			@short		return state if informations about frame loader available
			@descr		If these method return false - no information could'nt read from configuration ...
						I think nothing will work then. Normaly we return sal_True!

			@seealso	class FilterCache!

			@param		-
			@return		sal_True if information available, sal_False otherwise.

			@onerror	No error should occure.
		*//*-*****************************************************************************************************/

    	virtual sal_Bool SAL_CALL hasElements() throw( css::uno::RuntimeException );

	//-------------------------------------------------------------------------------------------------------------
	//	protected methods
	//-------------------------------------------------------------------------------------------------------------

	protected:

	//-------------------------------------------------------------------------------------------------------------
	//	private methods
	//-------------------------------------------------------------------------------------------------------------

	private:

		/*-****************************************************************************************************//**
			@short		try to set configuration properties at created loader
			@descr		We support the old async. loader interface ( XFrameLoader ) and the new one XSynchronousFrameLoader.
						The new one should implement a property set on which we can set his configuration values!
						We try to cast given loader to these interface - if it's exist we set the values - otherwise not!

			@seealso	service FrameLoader
			@seealso	service SynchronousFrameLoader

			@param		"xLoader" loader with generic XInterface! (We don't know before which service type is used!)
			@param		"pLoaderInfo" configuration structure of these loader.
			@return		-

			@onerror	No error should occure.
		*//*-*****************************************************************************************************/

		void impl_initializeLoader( css::uno::Reference< css::uno::XInterface >& xLoader, const Loader& pLoaderInfo );

	//-------------------------------------------------------------------------------------------------------------
	//	debug methods
	//	(should be private everyway!)
	//-------------------------------------------------------------------------------------------------------------

		/*-****************************************************************************************************//**
			@short		debug-method to check incoming parameter of some other mehods of this class
			@descr		The following methods are used to check parameters for other methods
						of this class. The return value is used directly for an ASSERT(...).

			@seealso	ASSERTs in implementation!

			@param		references to checking variables
			@return		sal_False ,on invalid parameter
			@return		sal_True  ,otherwise

			@onerror	-
		*//*-*****************************************************************************************************/


	#ifdef ENABLE_ASSERTIONS

	private:

	 	static sal_Bool impldbg_checkParameter_FrameLoaderFactory			(	const	css::uno::Reference< css::lang::XMultiServiceFactory >&	xFactory	);
		static sal_Bool impldbg_checkParameter_createInstance				(	const	::rtl::OUString&										sTypeName	);
    	static sal_Bool impldbg_checkParameter_createInstanceWithArguments	(	const	::rtl::OUString&										sTypeName	,
																				const	css::uno::Sequence< css::uno::Any >&					seqArguments);
    	static sal_Bool impldbg_checkParameter_getByName					(	const	::rtl::OUString&										sName		);
    	static sal_Bool impldbg_checkParameter_hasByName					(	const	::rtl::OUString&										sName		);

	#endif	//	#ifdef ENABLE_ASSERTIONS

	//-------------------------------------------------------------------------------------------------------------
	//	private variables
	//	(should be private everyway!)
	//-------------------------------------------------------------------------------------------------------------

	private:

		css::uno::Reference< css::lang::XMultiServiceFactory >		m_xFactory			;
		FilterCache													m_aCache			;

};		//	class FrameLoaderFactory

}		//	namespace framework

#endif	//	#ifndef __FRAMEWORK_SERVICES_FRAMELOADERFACTORY_HXX_