Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

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

1 files changed, 132 insertions, 0 deletions

diff --git a/embeddedobj/source/msole/graphconvert.cxx b/embeddedobj/source/msole/graphconvert.cxx
new file mode 100644
index 000000000..f853f03dc
--- /dev/null
+++ b/embeddedobj/source/msole/graphconvert.cxx
@@ -0,0 +1,132 @@
+/* -*- 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/uno/Any.hxx>
+#include <com/sun/star/uno/Reference.hxx>
+#include <com/sun/star/uno/Sequence.hxx>
+#include <com/sun/star/embed/Aspects.hpp>
+#include <com/sun/star/io/XInputStream.hpp>
+#include <com/sun/star/io/XOutputStream.hpp>
+#include <com/sun/star/graphic/GraphicProvider.hpp>
+#include <com/sun/star/graphic/XGraphicProvider.hpp>
+#include <com/sun/star/graphic/XGraphic.hpp>
+#include <com/sun/star/beans/PropertyValue.hpp>
+#include <unotools/streamwrap.hxx>
+#include <comphelper/processfactory.hxx>
+#include <comphelper/propertyvalue.hxx>
+#include <comphelper/seqstream.hxx>
+#include <tools/stream.hxx>
+#include <vcl/graphicfilter.hxx>
+
+#include "graphconvert.hxx"
+#include "mtnotification.hxx"
+#include <oleembobj.hxx>
+
+
+using namespace ::com::sun::star;
+
+
+bool ConvertBufferToFormat( void* pBuf,
+                                sal_uInt32 nBufSize,
+                                const OUString& aMimeType,
+                                uno::Any& aResult )
+{
+    // produces sequence with data in requested format and returns it in aResult
+    if ( pBuf )
+    {
+        // First, in case the buffer is already in the requested format, then avoid a conversion.
+        SvMemoryStream aMemoryStream(pBuf, nBufSize, StreamMode::READ);
+        GraphicFilter& rFilter = GraphicFilter::GetGraphicFilter();
+        sal_uInt16 nRetFormat = 0;
+        if (rFilter.CanImportGraphic(u"", aMemoryStream, GRFILTER_FORMAT_DONTKNOW, &nRetFormat) == ERRCODE_NONE &&
+                rFilter.GetImportFormatMediaType(nRetFormat) == aMimeType)
+        {
+            aResult <<= uno::Sequence< sal_Int8 >( static_cast< const sal_Int8* >( aMemoryStream.GetData() ), aMemoryStream.TellEnd() );
+            return true;
+        }
+
+        uno::Sequence < sal_Int8 > aData( static_cast<sal_Int8*>(pBuf), nBufSize );
+        uno::Reference < io::XInputStream > xIn = new comphelper::SequenceInputStream( aData );
+        try
+        {
+            uno::Reference < graphic::XGraphicProvider > xGraphicProvider( graphic::GraphicProvider::create(comphelper::getProcessComponentContext()));
+            uno::Sequence< beans::PropertyValue > aMediaProperties{ comphelper::makePropertyValue(
+                "InputStream", xIn) };
+            uno::Reference< graphic::XGraphic > xGraphic( xGraphicProvider->queryGraphic( aMediaProperties  ) );
+            if( xGraphic.is() )
+            {
+                SvMemoryStream aNewStream( 65535, 65535 );
+                uno::Reference < io::XStream > xOut = new utl::OStreamWrapper( aNewStream );
+                uno::Sequence< beans::PropertyValue > aOutMediaProperties{
+                    comphelper::makePropertyValue("OutputStream", xOut),
+                    comphelper::makePropertyValue("MimeType", aMimeType)
+                };
+
+                xGraphicProvider->storeGraphic( xGraphic, aOutMediaProperties );
+                aResult <<= uno::Sequence< sal_Int8 >( static_cast< const sal_Int8* >( aNewStream.GetData() ), aNewStream.TellEnd() );
+                return true;
+            }
+        }
+        catch (const uno::Exception&)
+        {}
+    }
+
+    return false;
+}
+
+
+// MainThreadNotificationRequest
+
+MainThreadNotificationRequest::MainThreadNotificationRequest( const ::rtl::Reference< OleEmbeddedObject >& xObj, sal_uInt16 nNotificationType, sal_uInt32 nAspect )
+: m_pObject( xObj.get() )
+, m_xObject( static_cast< embed::XEmbeddedObject* >( xObj.get() ) )
+, m_nNotificationType( nNotificationType )
+, m_nAspect( nAspect )
+{}
+
+void SAL_CALL MainThreadNotificationRequest::notify (const uno::Any& )
+{
+    if ( m_pObject )
+    {
+        try
+        {
+            uno::Reference< uno::XInterface > xLock = m_xObject.get();
+            if ( xLock.is() )
+            {
+                // this is the main thread, the solar mutex must be locked
+                if ( m_nNotificationType == OLECOMP_ONCLOSE )
+                    m_pObject->OnClosed_Impl();
+                else if ( m_nAspect == embed::Aspects::MSOLE_CONTENT )
+                    m_pObject->OnViewChanged_Impl();
+                else if ( m_nAspect == embed::Aspects::MSOLE_ICON )
+                    OleEmbeddedObject::OnIconChanged_Impl();
+            }
+        }
+        catch( const uno::Exception& )
+        {
+            // ignore all the errors
+        }
+    }
+}
+
+MainThreadNotificationRequest::~MainThreadNotificationRequest()
+{
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */