/*************************************************************************
 *
 *  OpenOffice.org - a multi-platform office productivity suite
 *
 *  $RCSfile: xmleohlp.hxx,v $
 *
 *  $Revision: 1.5 $
 *
 *  last change: $Author: rt $ $Date: 2006/10/28 04:32:05 $
 *
 *  The Contents of this file are made available subject to
 *  the terms of GNU Lesser General Public License Version 2.1.
 *
 *
 *    GNU Lesser General Public License Version 2.1
 *    =============================================
 *    Copyright 2005 by Sun Microsystems, Inc.
 *    901 San Antonio Road, Palo Alto, CA 94303, USA
 *
 *    This library is free software; you can redistribute it and/or
 *    modify it under the terms of the GNU Lesser General Public
 *    License version 2.1, as published by the Free Software Foundation.
 *
 *    This library is distributed in the hope that it will be useful,
 *    but WITHOUT ANY WARRANTY; without even the implied warranty of
 *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 *    Lesser General Public License for more details.
 *
 *    You should have received a copy of the GNU Lesser General Public
 *    License along with this library; if not, write to the Free Software
 *    Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 *    MA  02111-1307  USA
 *
 ************************************************************************/

#ifndef _XMLEOHLP_HXX
#define _XMLEOHLP_HXX

#ifndef _CPPUHELPER_COMPBASE2_HXX_
#include <cppuhelper/compbase2.hxx>
#endif
#ifndef _SVSTOR_HXX
#include <so3/svstor.hxx>
#endif
#include <map>

#ifndef _COM_SUN_STAR_DOCUMENT_XEMBEDDEDOBJECTRESOLVER_HPP_
#include <com/sun/star/document/XEmbeddedObjectResolver.hpp>
#endif
class SvPersist;
class SvGlobalName;
namespace binfilter {

// -----------------------------
// - SvXMLEmbeddedObjectHelper -
// -----------------------------

enum SvXMLEmbeddedObjectHelperMode
{
	EMBEDDEDOBJECTHELPER_MODE_READ = 0,
	EMBEDDEDOBJECTHELPER_MODE_WRITE = 1
};

// -----------------------------
// - SvXMLEmbeddedObjectHelper -
// -----------------------------

struct OUStringLess;
class OutputStorageWrapper_Impl; 

class SvXMLEmbeddedObjectHelper : public ::cppu::WeakComponentImplHelper2<
	::com::sun::star::document::XEmbeddedObjectResolver,
	::com::sun::star::container::XNameAccess >
{
	typedef ::std::map< ::rtl::OUString, OutputStorageWrapper_Impl*,
						 OUStringLess > SvXMLEmbeddedObjectHelper_Impl;
private:

	::osl::Mutex				maMutex;

	const ::rtl::OUString		maDefaultContainerStorageName;
	::rtl::OUString				maCurContainerStorageName;

	SvStorage*					mpRootStorage;	// package
	SvPersist*					mpDocPersist;
	SvStorageRef				mxContainerStorage;	// container sub package for
												// objects

	SvXMLEmbeddedObjectHelperMode		meCreateMode;
	SvXMLEmbeddedObjectHelper_Impl		*mpStreamMap;
	void*						mpDummy2;

	sal_Bool					ImplGetStorageNames(
									const ::rtl::OUString& rURLStr, 
								    ::rtl::OUString& rContainerStorageName, 
									::rtl::OUString& rObjectStorageName,
									sal_Bool bInternalToExternal ) const;

	SvStorageRef				ImplGetContainerStorage(
									const ::rtl::OUString& rStorageName );
	SvStorageRef				ImplGetObjectStorage(
									const ::rtl::OUString& rContainerStorageName, 
								    const ::rtl::OUString& rObjectStorageName,
									sal_Bool bUCBStorage );
	String 						ImplGetUniqueName( SvStorage* pStg,
											  	   const sal_Char* p ) const;
	sal_Bool					ImplReadObject(
									const ::rtl::OUString& rContainerStorageName, 
									::rtl::OUString& rObjName,
									const SvGlobalName *pClassId,
								    SvStorage *pTempStor );

	::rtl::OUString				ImplInsertEmbeddedObjectURL(
									const ::rtl::OUString& rURLStr );

protected:						

								SvXMLEmbeddedObjectHelper();
								~SvXMLEmbeddedObjectHelper();
	void						Init( SvStorage *pRootStorage, 
									  SvPersist& rDocPersist,
									  SvXMLEmbeddedObjectHelperMode eCreateMode );

    virtual void SAL_CALL		disposing();

public:							
								SvXMLEmbeddedObjectHelper(
									SvPersist& rDocPersist, 
									SvXMLEmbeddedObjectHelperMode eCreateMode );

	static SvXMLEmbeddedObjectHelper*	Create(
									SvStorage& rRootStorage, 
									SvPersist& rDocPersist,
									SvXMLEmbeddedObjectHelperMode eCreateMode,
									sal_Bool bDirect = sal_True );
	static SvXMLEmbeddedObjectHelper*	Create(
									SvPersist& rDocPersist,
									SvXMLEmbeddedObjectHelperMode eCreateMode );
	static void					Destroy( SvXMLEmbeddedObjectHelper* pSvXMLEmbeddedObjectHelper );

	void						Flush();

	// XEmbeddedObjectResolver
    virtual ::rtl::OUString SAL_CALL resolveEmbeddedObjectURL( const ::rtl::OUString& aURL ) throw(::com::sun::star::uno::RuntimeException);

	// XNameAccess
    virtual ::com::sun::star::uno::Any SAL_CALL getByName( const ::rtl::OUString& aName ) throw (::com::sun::star::container::NoSuchElementException, ::com::sun::star::lang::WrappedTargetException, ::com::sun::star::uno::RuntimeException);
    virtual ::com::sun::star::uno::Sequence< ::rtl::OUString > SAL_CALL getElementNames(  ) throw (::com::sun::star::uno::RuntimeException);
    virtual sal_Bool SAL_CALL hasByName( const ::rtl::OUString& aName ) throw (::com::sun::star::uno::RuntimeException);

	// XNameAccess
    virtual ::com::sun::star::uno::Type SAL_CALL getElementType(  ) throw (::com::sun::star::uno::RuntimeException);
    virtual sal_Bool SAL_CALL hasElements(  ) throw (::com::sun::star::uno::RuntimeException);
};

}//end of namespace binfilter
#endif
