Adding upstream version 4:24.2.0.upstream/4%24.2.0

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 250 insertions, 0 deletions

diff --git a/svtools/source/misc/embedtransfer.cxx b/svtools/source/misc/embedtransfer.cxx
new file mode 100644
index 0000000000..2d453425b4
--- /dev/null
+++ b/svtools/source/misc/embedtransfer.cxx
@@ -0,0 +1,250 @@
+/* -*- 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 <com/sun/star/embed/XEmbeddedObject.hpp>
+#include <com/sun/star/embed/XEmbedPersist.hpp>
+#include <com/sun/star/embed/NoVisualAreaSizeException.hpp>
+#include <com/sun/star/datatransfer/XTransferable.hpp>
+#include <com/sun/star/embed/Aspects.hpp>
+#include <osl/diagnose.h>
+#include <sot/exchange.hxx>
+#include <svtools/embedtransfer.hxx>
+#include <tools/mapunit.hxx>
+#include <vcl/outdev.hxx>
+#include <vcl/filter/SvmWriter.hxx>
+#include <vcl/gdimtf.hxx>
+#include <comphelper/fileformat.h>
+#include <comphelper/propertysequence.hxx>
+#include <comphelper/storagehelper.hxx>
+#include <unotools/ucbstreamhelper.hxx>
+#include <unotools/streamwrap.hxx>
+#include <unotools/tempfile.hxx>
+#include <toolkit/helper/vclunohelper.hxx>
+
+#include <svtools/embedhlp.hxx>
+
+using namespace ::com::sun::star;
+
+SvEmbedTransferHelper::SvEmbedTransferHelper( const uno::Reference< embed::XEmbeddedObject >& xObj,
+                                              const Graphic* pGraphic,
+                                                sal_Int64 nAspect )
+: m_xObj( xObj )
+, m_nAspect( nAspect )
+{
+    if (pGraphic)
+        m_oGraphic.emplace(*pGraphic);
+    if( xObj.is() )
+    {
+        TransferableObjectDescriptor aObjDesc;
+
+        FillTransferableObjectDescriptor( aObjDesc, m_xObj, nullptr, m_nAspect );
+        PrepareOLE( aObjDesc );
+    }
+}
+
+
+SvEmbedTransferHelper::~SvEmbedTransferHelper()
+{
+}
+
+void SvEmbedTransferHelper::SetParentShellID( const OUString& rShellID )
+{
+    maParentShellID = rShellID;
+}
+
+
+void SvEmbedTransferHelper::AddSupportedFormats()
+{
+    AddFormat( SotClipboardFormatId::EMBED_SOURCE );
+    AddFormat( SotClipboardFormatId::OBJECTDESCRIPTOR );
+    AddFormat( SotClipboardFormatId::GDIMETAFILE );
+    AddFormat( SotClipboardFormatId::BITMAP );
+}
+
+
+bool SvEmbedTransferHelper::GetData( const css::datatransfer::DataFlavor& rFlavor, const OUString& rDestDoc )
+{
+    bool bRet = false;
+
+    if( m_xObj.is() )
+    {
+        try
+        {
+            SotClipboardFormatId nFormat = SotExchange::GetFormat( rFlavor );
+            if( HasFormat( nFormat ) )
+            {
+                if( nFormat == SotClipboardFormatId::OBJECTDESCRIPTOR )
+                {
+                    TransferableObjectDescriptor aDesc;
+                    FillTransferableObjectDescriptor( aDesc, m_xObj, m_oGraphic ? &*m_oGraphic : nullptr, m_nAspect );
+                    bRet = SetTransferableObjectDescriptor( aDesc );
+                }
+                else if( nFormat == SotClipboardFormatId::EMBED_SOURCE )
+                {
+                    try
+                    {
+                        // TODO/LATER: Probably the graphic should be copied here as well
+                        // currently it is handled by the applications
+                        utl::TempFileFast aTmp;
+                        uno::Reference < embed::XEmbedPersist > xPers( m_xObj, uno::UNO_QUERY );
+                        if ( xPers.is() )
+                        {
+                            uno::Reference < embed::XStorage > xStg = comphelper::OStorageHelper::GetTemporaryStorage();
+                            OUString aName( "Dummy" );
+                            SvStream* pStream = nullptr;
+                            bool bDeleteStream = false;
+                            uno::Sequence < beans::PropertyValue > aEmpty;
+                            uno::Sequence<beans::PropertyValue> aObjArgs( comphelper::InitPropertySequence({
+                                    { "SourceShellID", uno::Any(maParentShellID) },
+                                    { "DestinationShellID", uno::Any(rDestDoc) }
+                                }));
+                            xPers->storeToEntry(xStg, aName, aEmpty, aObjArgs);
+                            if ( xStg->isStreamElement( aName ) )
+                            {
+                                uno::Reference < io::XStream > xStm = xStg->cloneStreamElement( aName );
+                                pStream = utl::UcbStreamHelper::CreateStream( xStm ).release();
+                                bDeleteStream = true;
+                            }
+                            else
+                            {
+                                pStream = aTmp.GetStream( StreamMode::STD_READWRITE );
+                                uno::Reference < embed::XStorage > xStor = comphelper::OStorageHelper::GetStorageFromStream( new utl::OStreamWrapper( *pStream ) );
+                                xStg->openStorageElement( aName, embed::ElementModes::READ )->copyToStorage( xStor );
+                            }
+
+                            const sal_uInt32               nLen = pStream->TellEnd();
+                            css::uno::Sequence< sal_Int8 > aSeq( nLen );
+
+                            pStream->Seek( STREAM_SEEK_TO_BEGIN );
+                            pStream->ReadBytes(aSeq.getArray(), nLen);
+                            if ( bDeleteStream )
+                                delete pStream;
+
+                            bRet = aSeq.hasElements();
+                            if( bRet )
+                            {
+                                SetAny( uno::Any(aSeq) );
+                            }
+                        }
+                        else
+                        {
+                            //TODO/LATER: how to handle objects without persistence?!
+                        }
+                    }
+                    catch ( uno::Exception& )
+                    {
+                    }
+                }
+                else if ( nFormat == SotClipboardFormatId::GDIMETAFILE && m_oGraphic )
+                {
+                    SvMemoryStream aMemStm( 65535, 65535 );
+                    aMemStm.SetVersion( SOFFICE_FILEFORMAT_CURRENT );
+
+                    const GDIMetaFile& aMetaFile = m_oGraphic->GetGDIMetaFile();
+                    SvmWriter aWriter( aMemStm );
+                    aWriter.Write( aMetaFile );
+                    uno::Any aAny;
+                    aAny <<= uno::Sequence< sal_Int8 >( static_cast< const sal_Int8* >( aMemStm.GetData() ),
+                                                    aMemStm.TellEnd() );
+                    SetAny( aAny );
+                    bRet = true;
+                }
+                else if ( ( nFormat == SotClipboardFormatId::BITMAP || nFormat == SotClipboardFormatId::PNG ) && m_oGraphic )
+                {
+                    bRet = SetBitmapEx( m_oGraphic->GetBitmapEx(), rFlavor );
+                }
+                else if ( m_xObj.is() && ::svt::EmbeddedObjectRef::TryRunningState( m_xObj ) )
+                {
+                    uno::Reference< datatransfer::XTransferable > xTransferable( m_xObj->getComponent(), uno::UNO_QUERY );
+                    if ( xTransferable.is() )
+                    {
+                        uno::Any aAny = xTransferable->getTransferData( rFlavor );
+                        SetAny( aAny );
+                        bRet = true;
+                    }
+                }
+            }
+        }
+        catch( uno::Exception& )
+        {
+            // Error handling?
+        }
+    }
+
+    return bRet;
+}
+
+
+void SvEmbedTransferHelper::ObjectReleased()
+{
+    m_xObj.clear();
+}
+
+void SvEmbedTransferHelper::FillTransferableObjectDescriptor( TransferableObjectDescriptor& rDesc,
+    const css::uno::Reference< css::embed::XEmbeddedObject >& xObj,
+    const Graphic* pGraphic,
+    sal_Int64 nAspect )
+{
+    //TODO/LATER: need TypeName to fill it into the Descriptor (will be shown in listbox)
+    css::datatransfer::DataFlavor aFlavor;
+    SotExchange::GetFormatDataFlavor( SotClipboardFormatId::OBJECTDESCRIPTOR, aFlavor );
+
+    rDesc.maClassName = SvGlobalName( xObj->getClassID() );
+    rDesc.maTypeName = aFlavor.HumanPresentableName;
+
+    //TODO/LATER: the aspect size in the descriptor is wrong, unfortunately the stream
+    // representation of the descriptor allows only 4 bytes for the aspect
+    // so for internal transport something different should be found
+    rDesc.mnViewAspect = sal::static_int_cast<sal_uInt16>( nAspect );
+
+    Size aSize;
+    MapMode aMapMode( MapUnit::Map100thMM );
+    if ( nAspect == embed::Aspects::MSOLE_ICON )
+    {
+        if ( pGraphic )
+        {
+            aMapMode = pGraphic->GetPrefMapMode();
+            aSize = pGraphic->GetPrefSize();
+        }
+        else
+            aSize = Size( 2500, 2500 );
+    }
+    else
+    {
+        try
+        {
+            awt::Size aSz = xObj->getVisualAreaSize( rDesc.mnViewAspect );
+            aSize = Size( aSz.Width, aSz.Height );
+        }
+        catch( embed::NoVisualAreaSizeException& )
+        {
+            OSL_FAIL( "Can not get visual area size!" );
+            aSize = Size( 5000, 5000 );
+        }
+
+        // TODO/LEAN: getMapUnit can switch object to running state
+        aMapMode = MapMode( VCLUnoHelper::UnoEmbed2VCLMapUnit( xObj->getMapUnit( rDesc.mnViewAspect ) ) );
+    }
+
+    rDesc.maSize = OutputDevice::LogicToLogic( aSize, aMapMode, MapMode( MapUnit::Map100thMM ) );
+    rDesc.maDragStartPos = Point();
+    rDesc.maDisplayName.clear();
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */