252 lines
8.1 KiB
C++
252 lines
8.1 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#include "DataFmtTransl.hxx"
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#include <rtl/string.hxx>
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#include <osl/diagnose.h>
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#include <rtl/tencinfo.h>
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#include "ImplHelper.hxx"
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#include "WinClip.hxx"
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#include "MimeAttrib.hxx"
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#include "DTransHelper.hxx"
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#include <rtl/string.h>
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#include <o3tl/char16_t2wchar_t.hxx>
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#include "Fetc.hxx"
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#include <com/sun/star/datatransfer/DataFormatTranslator.hpp>
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#if !defined WIN32_LEAN_AND_MEAN
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# define WIN32_LEAN_AND_MEAN
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#endif
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#include <windows.h>
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#include <shlobj.h>
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using namespace com::sun::star::uno;
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using namespace com::sun::star::datatransfer;
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using namespace com::sun::star::lang;
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const Type CPPUTYPE_SALINT32 = cppu::UnoType<sal_Int32>::get();
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const Type CPPUTYPE_SALINT8 = cppu::UnoType<sal_Int8>::get();
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const Type CPPUTYPE_OUSTRING = cppu::UnoType<OUString>::get();
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const Type CPPUTYPE_SEQSALINT8 = cppu::UnoType<Sequence< sal_Int8>>::get();
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const sal_Int32 MAX_CLIPFORMAT_NAME = 256;
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CDataFormatTranslator::CDataFormatTranslator( const Reference< XComponentContext >& rxContext )
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{
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m_XDataFormatTranslator = DataFormatTranslator::create( rxContext );
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}
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CFormatEtc CDataFormatTranslator::getFormatEtcFromDataFlavor( const DataFlavor& aDataFlavor ) const
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{
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sal_Int32 cf = CF_INVALID;
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try
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{
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if( m_XDataFormatTranslator.is( ) )
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{
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Any aFormat = m_XDataFormatTranslator->getSystemDataTypeFromDataFlavor( aDataFlavor );
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if ( aFormat.hasValue( ) )
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{
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if ( aFormat.getValueType( ) == CPPUTYPE_SALINT32 )
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{
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aFormat >>= cf;
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OSL_ENSURE( CF_INVALID != cf, "Invalid Clipboard format delivered" );
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}
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else if ( aFormat.getValueType( ) == CPPUTYPE_OUSTRING )
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{
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OUString aClipFmtName;
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aFormat >>= aClipFmtName;
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OSL_ASSERT( aClipFmtName.getLength( ) );
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cf = RegisterClipboardFormatW( o3tl::toW(aClipFmtName.getStr( )) );
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OSL_ENSURE( CF_INVALID != cf, "RegisterClipboardFormat failed" );
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}
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else
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OSL_FAIL( "Wrong Any-Type detected" );
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}
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}
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}
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catch( ... )
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{
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OSL_FAIL( "Unexpected error" );
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}
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return sal::static_int_cast<CFormatEtc>(getFormatEtcForClipformat( sal::static_int_cast<CLIPFORMAT>(cf) ));
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}
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DataFlavor CDataFormatTranslator::getDataFlavorFromFormatEtc(sal_uInt32 cfFormat, LCID lcid) const
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{
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DataFlavor aFlavor;
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try
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{
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CLIPFORMAT aClipformat = cfFormat;
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Any aAny;
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aAny <<= static_cast< sal_Int32 >( aClipformat );
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if ( isOemOrAnsiTextFormat( aClipformat ) )
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{
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aFlavor.MimeType = "text/plain;charset=";
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aFlavor.MimeType += getTextCharsetFromLCID( lcid, aClipformat );
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aFlavor.HumanPresentableName = "OEM/ANSI Text";
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aFlavor.DataType = CPPUTYPE_SEQSALINT8;
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}
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else if ( CF_INVALID != aClipformat )
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{
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if ( m_XDataFormatTranslator.is( ) )
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{
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aFlavor = m_XDataFormatTranslator->getDataFlavorFromSystemDataType( aAny );
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if ( !aFlavor.MimeType.getLength( ) )
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{
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// lookup of DataFlavor from clipboard format id
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// failed, so we try to resolve via clipboard
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// format name
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OUString clipFormatName = getClipboardFormatName( aClipformat );
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// if we could not get a clipboard format name an
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// error must have occurred or it is a standard
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// clipboard format that we don't translate, e.g.
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// CF_BITMAP (the office only uses CF_DIB)
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if ( clipFormatName.getLength( ) )
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{
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aAny <<= clipFormatName;
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aFlavor = m_XDataFormatTranslator->getDataFlavorFromSystemDataType( aAny );
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}
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}
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}
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}
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}
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catch( ... )
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{
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OSL_FAIL( "Unexpected error" );
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}
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return aFlavor;
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}
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CFormatEtc CDataFormatTranslator::getFormatEtcForClipformatName( const OUString& aClipFmtName )
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{
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// check parameter
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if ( !aClipFmtName.getLength( ) )
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return CFormatEtc( CF_INVALID );
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CLIPFORMAT cf = sal::static_int_cast<CLIPFORMAT>(RegisterClipboardFormatW( o3tl::toW(aClipFmtName.getStr( )) ));
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return getFormatEtcForClipformat( cf );
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}
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OUString CDataFormatTranslator::getClipboardFormatName( CLIPFORMAT aClipformat )
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{
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OSL_PRECOND( CF_INVALID != aClipformat, "Invalid clipboard format" );
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sal_Unicode wBuff[ MAX_CLIPFORMAT_NAME + 1 ]; // Null terminator isn't counted, apparently.
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sal_Int32 nLen = GetClipboardFormatNameW( aClipformat, o3tl::toW(wBuff), MAX_CLIPFORMAT_NAME );
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return OUString( wBuff, nLen );
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}
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CFormatEtc CDataFormatTranslator::getFormatEtcForClipformat( CLIPFORMAT cf )
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{
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CFormatEtc fetc( cf, TYMED_NULL, nullptr, DVASPECT_CONTENT );
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switch( cf )
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{
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case CF_METAFILEPICT:
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fetc.setTymed( TYMED_MFPICT );
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break;
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case CF_ENHMETAFILE:
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fetc.setTymed( TYMED_ENHMF );
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break;
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default:
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fetc.setTymed( TYMED_HGLOBAL /*| TYMED_ISTREAM*/ );
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}
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/*
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hack: in order to paste urls copied by Internet Explorer
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with "copy link" we set the lindex member to 0
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but if we really want to support CFSTR_FILECONTENT and
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the accompany format CFSTR_FILEDESCRIPTOR (FileGroupDescriptor)
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the client of the clipboard service has to provide a id
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of which FileContents it wants to paste
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see MSDN: "Handling Shell Data Transfer Scenarios"
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*/
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if ( cf == RegisterClipboardFormat( CFSTR_FILECONTENTS ) )
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fetc.setLindex( 0 );
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return fetc;
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}
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bool CDataFormatTranslator::isOemOrAnsiTextFormat( CLIPFORMAT cf )
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{
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return ( (cf == CF_TEXT) || (cf == CF_OEMTEXT) );
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}
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bool CDataFormatTranslator::isUnicodeTextFormat( CLIPFORMAT cf )
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{
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return ( cf == CF_UNICODETEXT );
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}
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bool CDataFormatTranslator::isTextFormat( CLIPFORMAT cf )
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{
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return ( isOemOrAnsiTextFormat( cf ) || isUnicodeTextFormat( cf ) );
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}
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bool CDataFormatTranslator::isHTMLFormat( CLIPFORMAT cf )
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{
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OUString clipFormatName = getClipboardFormatName( cf );
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return ( clipFormatName == "HTML Format" );
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}
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bool CDataFormatTranslator::isTextHtmlFormat( CLIPFORMAT cf )
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{
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OUString clipFormatName = getClipboardFormatName( cf );
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return clipFormatName.equalsIgnoreAsciiCase( "HTML (HyperText Markup Language)" );
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}
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OUString CDataFormatTranslator::getTextCharsetFromLCID( LCID lcid, CLIPFORMAT aClipformat )
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{
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OSL_ASSERT( isOemOrAnsiTextFormat( aClipformat ) );
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OUString charset;
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if ( CF_TEXT == aClipformat )
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{
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charset = getMimeCharsetFromLocaleId(
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lcid,
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LOCALE_IDEFAULTANSICODEPAGE,
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PRE_WINDOWS_CODEPAGE );
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}
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else if ( CF_OEMTEXT == aClipformat )
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{
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charset = getMimeCharsetFromLocaleId(
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lcid,
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LOCALE_IDEFAULTCODEPAGE,
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PRE_OEM_CODEPAGE );
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}
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else // CF_UNICODE
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OSL_ASSERT( false );
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return charset;
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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