xref: /AOO41X/main/dtrans/source/win32/dtobj/FetcList.hxx (revision cdf0e10c4e3984b49a9502b011690b615761d4a3)

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 *
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * Copyright 2000, 2010 Oracle and/or its affiliates.
 *
 * OpenOffice.org - a multi-platform office productivity suite
 *
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 *
 * OpenOffice.org is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License version 3
 * only, as published by the Free Software Foundation.
 *
 * OpenOffice.org 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 version 3 for more details
 * (a copy is included in the LICENSE file that accompanied this code).
 *
 * You should have received a copy of the GNU Lesser General Public License
 * version 3 along with OpenOffice.org.  If not, see
 * <http://www.openoffice.org/license.html>
 * for a copy of the LGPLv3 License.
 *
 ************************************************************************/


#ifndef _FETCLIST_HXX_
#define _FETCLIST_HXX_

//------------------------------------------------------------------------
// includes
//------------------------------------------------------------------------

#include <sal/types.h>
#include <cppuhelper/servicefactory.hxx>
#include <com/sun/star/datatransfer/XTransferable.hpp>
#include "Fetc.hxx"

#if defined _MSC_VER
#pragma warning(push,1)
#endif
#include <windows.h>
#if defined _MSC_VER
#pragma warning(pop)
#endif
#include <vector>

/*****************************************************************
	a simple container for FORMATECT structures
	instances of this class are not thread-safe
*****************************************************************/

class CFormatEtcContainer
{
public:
	CFormatEtcContainer( );

	// duplicates not allowed
	void SAL_CALL addFormatEtc( const CFormatEtc& fetc );

	// removes the specified formatetc
	void SAL_CALL removeFormatEtc( const CFormatEtc& fetc );

	// removes the formatetc at pos
	void SAL_CALL removeAllFormatEtc( );

	sal_Bool SAL_CALL hasFormatEtc( const CFormatEtc& fetc ) const;

	sal_Bool SAL_CALL hasElements( ) const;

	// begin enumeration
	void SAL_CALL beginEnumFormatEtc( );

	// copies the specified number of formatetc structures starting
	// at the current enum position
	// the return value is the number of copied elements; if the
	// current enum position is at the end the return value is 0
	sal_uInt32 SAL_CALL nextFormatEtc( LPFORMATETC lpFetc, sal_uInt32 aNum = 1 );

	// skips the specified number of elements in the container
	sal_Bool SAL_CALL skipFormatEtc( sal_uInt32 aNum );

protected:
	typedef std::vector< CFormatEtc > FormatEtcMap_t;

private:
	FormatEtcMap_t           m_FormatMap;
	FormatEtcMap_t::iterator m_EnumIterator;
};

/*****************************************************************
	a helper class which converts data flavors to clipformats,
	creates an appropriate formatetc structures and if possible
	synthesizes clipboard formats if necessary, e.g. if text
	is provided a locale will also be provided;
	the class registers the formatetc within a CFormatEtcContainer

	instances of this class are not thread-safe and multiple
	instances of this class would use the same static variables
	that's why this class should not be used by multiple threads,
	only one thread of a process should use it
*****************************************************************/

// forward
class CDataFormatTranslator;

class CFormatRegistrar
{
public:
	CFormatRegistrar( const ::com::sun::star::uno::Reference< ::com::sun::star::lang::XMultiServiceFactory >& ServiceManager,
					  const CDataFormatTranslator& aDataFormatTranslator );

	void SAL_CALL RegisterFormats( const com::sun::star::uno::Reference< com::sun::star::datatransfer::XTransferable >& aXTransferable,
								   CFormatEtcContainer& aFormatEtcContainer );

	sal_Bool   SAL_CALL hasSynthesizedLocale( ) const;
	LCID       SAL_CALL getSynthesizedLocale( ) const;
	sal_uInt32 SAL_CALL getRegisteredTextCodePage( ) const;
	com::sun::star::datatransfer::DataFlavor SAL_CALL getRegisteredTextFlavor( ) const;

	sal_Bool  SAL_CALL isSynthesizeableFormat( const CFormatEtc& aFormatEtc ) const;
	sal_Bool  SAL_CALL needsToSynthesizeAccompanyFormats( const CFormatEtc& aFormatEtc ) const;

private:
	sal_Bool      SAL_CALL isEqualCurrentSystemCodePage( sal_uInt32 aCodePage ) const;
	rtl::OUString SAL_CALL getCharsetFromDataFlavor( const com::sun::star::datatransfer::DataFlavor& aFlavor );

	sal_Bool SAL_CALL hasUnicodeFlavor(
		const com::sun::star::uno::Reference< com::sun::star::datatransfer::XTransferable >& aXTransferable ) const;

	sal_Bool SAL_CALL findLocaleForTextCodePage( );

	static sal_Bool SAL_CALL isLocaleOemCodePage( LCID lcid, sal_uInt32 codepage );
	static sal_Bool SAL_CALL isLocaleAnsiCodePage( LCID lcid, sal_uInt32 codepage );
	static sal_Bool SAL_CALL isLocaleCodePage( LCID lcid, LCTYPE lctype, sal_uInt32 codepage );

	static BOOL CALLBACK EnumLocalesProc( LPSTR lpLocaleStr );

private:
	const CDataFormatTranslator&			 m_DataFormatTranslator;
	sal_Bool								 m_bHasSynthesizedLocale;
	com::sun::star::datatransfer::DataFlavor m_RegisteredTextFlavor;

	const ::com::sun::star::uno::Reference< ::com::sun::star::lang::XMultiServiceFactory >	m_SrvMgr;

	static LCID       m_TxtLocale;
	static sal_uInt32 m_TxtCodePage;

private:
	CFormatRegistrar( const CFormatRegistrar& );
	CFormatRegistrar& operator=( const CFormatRegistrar& );
};

#endif