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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file 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 .
*/
#include "DataFmtTransl.hxx"
#include <rtl/string.hxx>
#include <osl/diagnose.h>
#include <rtl/tencinfo.h>
#include "../misc/ImplHelper.hxx"
#include <WinClip.hxx>
#include "MimeAttrib.hxx"
#include "DTransHelper.hxx"
#include <rtl/string.h>
#include <o3tl/char16_t2wchar_t.hxx>
#include "Fetc.hxx"
#include <com/sun/star/datatransfer/DataFormatTranslator.hpp>
#if defined _MSC_VER
#pragma warning(push,1)
#pragma warning(disable:4917)
#endif
#if !defined WIN32_LEAN_AND_MEAN
# define WIN32_LEAN_AND_MEAN
#endif
#include <windows.h>
#include <shlobj.h>
#if defined _MSC_VER
#pragma warning(pop)
#endif
using namespace std;
using namespace com::sun::star::uno;
using namespace com::sun::star::datatransfer;
using namespace com::sun::star::lang;
const Type CPPUTYPE_SALINT32 = cppu::UnoType<sal_Int32>::get();
const Type CPPUTYPE_SALINT8 = cppu::UnoType<sal_Int8>::get();
const Type CPPUTYPE_OUSTRING = cppu::UnoType<OUString>::get();
const Type CPPUTYPE_SEQSALINT8 = cppu::UnoType<Sequence< sal_Int8>>::get();
const sal_Int32 MAX_CLIPFORMAT_NAME = 256;
const OUString TEXT_PLAIN_CHARSET ("text/plain;charset=");
const OUString HPNAME_OEM_ANSI_TEXT ("OEM/ANSI Text");
const OUString HTML_FORMAT_NAME_WINDOWS ("HTML Format");
const OUString HTML_FORMAT_NAME_SOFFICE ("HTML (HyperText Markup Language)");
CDataFormatTranslator::CDataFormatTranslator( const Reference< XComponentContext >& rxContext )
{
m_XDataFormatTranslator = DataFormatTranslator::create( rxContext );
}
CFormatEtc CDataFormatTranslator::getFormatEtcFromDataFlavor( const DataFlavor& aDataFlavor ) const
{
sal_Int32 cf = CF_INVALID;
try
{
if( m_XDataFormatTranslator.is( ) )
{
Any aFormat = m_XDataFormatTranslator->getSystemDataTypeFromDataFlavor( aDataFlavor );
if ( aFormat.hasValue( ) )
{
if ( aFormat.getValueType( ) == CPPUTYPE_SALINT32 )
{
aFormat >>= cf;
OSL_ENSURE( CF_INVALID != cf, "Invalid Clipboard format delivered" );
}
else if ( aFormat.getValueType( ) == CPPUTYPE_OUSTRING )
{
OUString aClipFmtName;
aFormat >>= aClipFmtName;
OSL_ASSERT( aClipFmtName.getLength( ) );
cf = RegisterClipboardFormatW( o3tl::toW(aClipFmtName.getStr( )) );
OSL_ENSURE( CF_INVALID != cf, "RegisterClipboardFormat failed" );
}
else
OSL_FAIL( "Wrong Any-Type detected" );
}
}
}
catch( ... )
{
OSL_FAIL( "Unexpected error" );
}
return sal::static_int_cast<CFormatEtc>(getFormatEtcForClipformat( sal::static_int_cast<CLIPFORMAT>(cf) ));
}
DataFlavor CDataFormatTranslator::getDataFlavorFromFormatEtc( const FORMATETC& aFormatEtc, LCID lcid ) const
{
DataFlavor aFlavor;
try
{
CLIPFORMAT aClipformat = aFormatEtc.cfFormat;
Any aAny;
aAny <<= static_cast< sal_Int32 >( aClipformat );
if ( isOemOrAnsiTextFormat( aClipformat ) )
{
aFlavor.MimeType = TEXT_PLAIN_CHARSET;
aFlavor.MimeType += getTextCharsetFromLCID( lcid, aClipformat );
aFlavor.HumanPresentableName = HPNAME_OEM_ANSI_TEXT;
aFlavor.DataType = CPPUTYPE_SEQSALINT8;
}
else if ( CF_INVALID != aClipformat )
{
if ( m_XDataFormatTranslator.is( ) )
{
aFlavor = m_XDataFormatTranslator->getDataFlavorFromSystemDataType( aAny );
if ( !aFlavor.MimeType.getLength( ) )
{
// lookup of DataFlavor from clipboard format id
// failed, so we try to resolve via clipboard
// format name
OUString clipFormatName = getClipboardFormatName( aClipformat );
// if we could not get a clipboard format name an
// error must have occurred or it is a standard
// clipboard format that we don't translate, e.g.
// CF_BITMAP (the office only uses CF_DIB)
if ( clipFormatName.getLength( ) )
{
aAny <<= clipFormatName;
aFlavor = m_XDataFormatTranslator->getDataFlavorFromSystemDataType( aAny );
}
}
}
}
}
catch( ... )
{
OSL_FAIL( "Unexpected error" );
}
return aFlavor;
}
CFormatEtc CDataFormatTranslator::getFormatEtcForClipformatName( const OUString& aClipFmtName )
{
// check parameter
if ( !aClipFmtName.getLength( ) )
return CFormatEtc( CF_INVALID );
CLIPFORMAT cf = sal::static_int_cast<CLIPFORMAT>(RegisterClipboardFormatW( o3tl::toW(aClipFmtName.getStr( )) ));
return getFormatEtcForClipformat( cf );
}
OUString CDataFormatTranslator::getClipboardFormatName( CLIPFORMAT aClipformat )
{
OSL_PRECOND( CF_INVALID != aClipformat, "Invalid clipboard format" );
sal_Unicode wBuff[ MAX_CLIPFORMAT_NAME + 1 ]; // Null terminator isn't counted, apparently.
sal_Int32 nLen = GetClipboardFormatNameW( aClipformat, o3tl::toW(wBuff), MAX_CLIPFORMAT_NAME );
return OUString( wBuff, nLen );
}
CFormatEtc CDataFormatTranslator::getFormatEtcForClipformat( CLIPFORMAT cf )
{
CFormatEtc fetc( cf, TYMED_NULL, nullptr, DVASPECT_CONTENT );
switch( cf )
{
case CF_METAFILEPICT:
fetc.setTymed( TYMED_MFPICT );
break;
case CF_ENHMETAFILE:
fetc.setTymed( TYMED_ENHMF );
break;
default:
fetc.setTymed( TYMED_HGLOBAL /*| TYMED_ISTREAM*/ );
}
/*
hack: in order to paste urls copied by Internet Explorer
with "copy link" we set the lindex member to 0
but if we really want to support CFSTR_FILECONTENT and
the accompany format CFSTR_FILEDESCRIPTOR (FileGroupDescriptor)
the client of the clipboard service has to provide a id
of which FileContents it wants to paste
see MSDN: "Handling Shell Data Transfer Scenarios"
*/
if ( cf == RegisterClipboardFormat( CFSTR_FILECONTENTS ) )
fetc.setLindex( 0 );
return fetc;
}
bool CDataFormatTranslator::isOemOrAnsiTextFormat( CLIPFORMAT cf )
{
return ( (cf == CF_TEXT) || (cf == CF_OEMTEXT) );
}
bool CDataFormatTranslator::isUnicodeTextFormat( CLIPFORMAT cf )
{
return ( cf == CF_UNICODETEXT );
}
bool CDataFormatTranslator::isTextFormat( CLIPFORMAT cf )
{
return ( isOemOrAnsiTextFormat( cf ) || isUnicodeTextFormat( cf ) );
}
bool CDataFormatTranslator::isHTMLFormat( CLIPFORMAT cf )
{
OUString clipFormatName = getClipboardFormatName( cf );
return ( clipFormatName == HTML_FORMAT_NAME_WINDOWS );
}
bool CDataFormatTranslator::isTextHtmlFormat( CLIPFORMAT cf )
{
OUString clipFormatName = getClipboardFormatName( cf );
return clipFormatName.equalsIgnoreAsciiCase( HTML_FORMAT_NAME_SOFFICE );
}
OUString CDataFormatTranslator::getTextCharsetFromLCID( LCID lcid, CLIPFORMAT aClipformat )
{
OSL_ASSERT( isOemOrAnsiTextFormat( aClipformat ) );
OUString charset;
if ( CF_TEXT == aClipformat )
{
charset = getMimeCharsetFromLocaleId(
lcid,
LOCALE_IDEFAULTANSICODEPAGE,
PRE_WINDOWS_CODEPAGE );
}
else if ( CF_OEMTEXT == aClipformat )
{
charset = getMimeCharsetFromLocaleId(
lcid,
LOCALE_IDEFAULTCODEPAGE,
PRE_OEM_CODEPAGE );
}
else // CF_UNICODE
OSL_ASSERT( false );
return charset;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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