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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 <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: */
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