office-gobmx/embeddedobj/source/msole/graphconvert.cxx

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_embeddedobj.hxx"
#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/XGraphicProvider.hpp>
#include <com/sun/star/graphic/XGraphic.hpp>
#include <com/sun/star/beans/PropertyValue.hpp>
#include <tools/link.hxx>
#include <osl/mutex.hxx>
#include <unotools/streamwrap.hxx>
#include <comphelper/processfactory.hxx>
#include <comphelper/seqstream.hxx>
#include <tools/stream.hxx>
#include "mtnotification.hxx"
#include "oleembobj.hxx"
using namespace ::com::sun::star;
sal_Bool ConvertBufferToFormat( void* pBuf,
sal_uInt32 nBufSize,
const ::rtl::OUString& aMimeType,
uno::Any& aResult )
{
// produces sequence with data in requested format and returns it in aResult
if ( pBuf )
{
uno::Sequence < sal_Int8 > aData( (sal_Int8*)pBuf, nBufSize );
uno::Reference < io::XInputStream > xIn = new comphelper::SequenceInputStream( aData );
try
{
uno::Reference < graphic::XGraphicProvider > xGraphicProvider( comphelper::getProcessServiceFactory()->createInstance( ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("com.sun.star.graphic.GraphicProvider")) ), uno::UNO_QUERY );
if( xGraphicProvider.is() )
{
uno::Sequence< beans::PropertyValue > aMediaProperties( 1 );
aMediaProperties[0].Name = ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM( "InputStream" ));
aMediaProperties[0].Value <<= xIn;
uno::Reference< graphic::XGraphic > xGraphic( xGraphicProvider->queryGraphic( aMediaProperties ) );
if( xGraphic.is() )
{
SvMemoryStream aNewStream( 65535, 65535 );
// uno::Reference < io::XOutputStream > xOut = new utl::OOutputStreamHelper( aNewStream.GetLockBytes() );
uno::Reference < io::XStream > xOut = new utl::OStreamWrapper( aNewStream );
uno::Sequence< beans::PropertyValue > aOutMediaProperties( 2 );
aOutMediaProperties[0].Name = ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM( "OutputStream" ));
aOutMediaProperties[0].Value <<= xOut;
aOutMediaProperties[1].Name = ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM( "MimeType" ));
aOutMediaProperties[1].Value <<= aMimeType;
xGraphicProvider->storeGraphic( xGraphic, aOutMediaProperties );
aResult <<= uno::Sequence< sal_Int8 >( reinterpret_cast< const sal_Int8* >( aNewStream.GetData() ), aNewStream.Seek( STREAM_SEEK_TO_END ) );
return sal_True;
}
}
}
catch (uno::Exception&)
{}
}
return sal_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& ) throw (uno::RuntimeException)
{
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 )
m_pObject->OnIconChanged_Impl();
}
}
catch( uno::Exception& )
{
// ignore all the errors
}
}
}
MainThreadNotificationRequest::~MainThreadNotificationRequest()
{
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */