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-rw-r--r--dtrans/source/win32/dtobj/DataFmtTransl.cxx259
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diff --git a/dtrans/source/win32/dtobj/DataFmtTransl.cxx b/dtrans/source/win32/dtobj/DataFmtTransl.cxx
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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 WIN32_LEAN_AND_MEAN
+# define WIN32_LEAN_AND_MEAN
+#endif
+#include <windows.h>
+#include <shlobj.h>
+
+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: */