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libreoffice/embeddedobj/source/commonembedding/visobj.cxx
Daniel Baumann 8e63e14cf6
Adding upstream version 4:25.2.3.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
2025-06-22 16:20:04 +02:00

209 lines
7.9 KiB
C++

/* -*- 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/Aspects.hpp>
#include <com/sun/star/embed/EmbedStates.hpp>
#include <com/sun/star/embed/WrongStateException.hpp>
#include <com/sun/star/datatransfer/XTransferable.hpp>
#include <com/sun/star/uno/Sequence.hxx>
#include <com/sun/star/lang/DisposedException.hpp>
#include <commonembobj.hxx>
#include <sal/log.hxx>
using namespace ::com::sun::star;
void SAL_CALL OCommonEmbeddedObject::setVisualAreaSize( sal_Int64 nAspect, const awt::Size& aSize )
{
::osl::MutexGuard aGuard( m_aMutex );
if ( m_bDisposed )
throw lang::DisposedException(); // TODO
SAL_WARN_IF( nAspect == embed::Aspects::MSOLE_ICON, "embeddedobj.common", "For iconified objects no graphical replacement is required!" );
if ( nAspect == embed::Aspects::MSOLE_ICON )
// no representation can be retrieved
throw embed::WrongStateException( u"Illegal call!"_ustr,
static_cast< ::cppu::OWeakObject* >(this) );
if ( m_nObjectState == -1 )
throw embed::WrongStateException( u"The own object has no persistence!"_ustr,
static_cast< ::cppu::OWeakObject* >(this) );
m_bHasClonedSize = false;
bool bBackToLoaded = false;
if ( m_nObjectState == embed::EmbedStates::LOADED )
{
changeState( embed::EmbedStates::RUNNING );
// the links should be switched back to loaded state for now to avoid locking problems
bBackToLoaded = m_bIsLinkURL;
}
bool bSuccess = m_xDocHolder->SetExtent( nAspect, aSize );
if ( bBackToLoaded )
changeState( embed::EmbedStates::LOADED );
if ( !bSuccess )
throw uno::Exception(u"SetExtent failed"_ustr, nullptr); // TODO:
}
awt::Size SAL_CALL OCommonEmbeddedObject::getVisualAreaSize( sal_Int64 nAspect )
{
::osl::MutexGuard aGuard( m_aMutex );
if ( m_bDisposed )
throw lang::DisposedException(); // TODO
if ( m_nObjectState == -1 )
throw embed::WrongStateException( u"The own object has no persistence!"_ustr,
static_cast< ::cppu::OWeakObject* >(this) );
SAL_WARN_IF( nAspect == embed::Aspects::MSOLE_ICON, "embeddedobj.common", "For iconified objects no graphical replacement is required!" );
if ( m_bHasClonedSize )
return m_aClonedSize;
bool bBackToLoaded = false;
if ( m_nObjectState == embed::EmbedStates::LOADED )
{
changeState( embed::EmbedStates::RUNNING );
// the links should be switched back to loaded state for now to avoid locking problems
bBackToLoaded = m_bIsLinkURL;
}
awt::Size aResult;
bool bSuccess = m_xDocHolder->GetExtent( nAspect, &aResult );
if ( bBackToLoaded )
changeState( embed::EmbedStates::LOADED );
if ( !bSuccess )
throw uno::Exception(u"GetExtent failed"_ustr, nullptr); // TODO:
return aResult;
}
sal_Int32 SAL_CALL OCommonEmbeddedObject::getMapUnit( sal_Int64 nAspect )
{
::osl::MutexGuard aGuard( m_aMutex );
if ( m_bDisposed )
throw lang::DisposedException(); // TODO
SAL_WARN_IF( nAspect == embed::Aspects::MSOLE_ICON, "embeddedobj.common", "For iconified objects no graphical replacement is required!" );
if ( nAspect == embed::Aspects::MSOLE_ICON )
// no representation can be retrieved
throw embed::WrongStateException( u"Illegal call!"_ustr,
static_cast< ::cppu::OWeakObject* >(this) );
if ( m_nObjectState == -1 )
throw embed::WrongStateException( u"The own object has no persistence!"_ustr,
static_cast< ::cppu::OWeakObject* >(this) );
if ( m_bHasClonedSize )
return m_nClonedMapUnit;
bool bBackToLoaded = false;
if ( m_nObjectState == embed::EmbedStates::LOADED )
{
changeState( embed::EmbedStates::RUNNING );
// the links should be switched back to loaded state for now to avoid locking problems
bBackToLoaded = m_bIsLinkURL;
}
sal_Int32 nResult = m_xDocHolder->GetMapUnit( nAspect );
if ( bBackToLoaded )
changeState( embed::EmbedStates::LOADED );
if ( nResult < 0 )
throw uno::Exception("result " + OUString::number(nResult), nullptr); // TODO:
return nResult;
}
embed::VisualRepresentation SAL_CALL OCommonEmbeddedObject::getPreferredVisualRepresentation( sal_Int64 nAspect )
{
::osl::MutexGuard aGuard( m_aMutex );
if ( m_bDisposed )
throw lang::DisposedException(); // TODO
if ( m_nObjectState == -1 )
throw embed::WrongStateException( u"The own object has no persistence!"_ustr,
static_cast< ::cppu::OWeakObject* >(this) );
SAL_WARN_IF( nAspect == embed::Aspects::MSOLE_ICON, "embeddedobj.common", "For iconified objects no graphical replacement is required!" );
if ( nAspect == embed::Aspects::MSOLE_ICON )
// no representation can be retrieved
throw embed::WrongStateException( u"Illegal call!"_ustr,
static_cast< ::cppu::OWeakObject* >(this) );
bool bBackToLoaded = false;
if ( m_nObjectState == embed::EmbedStates::LOADED )
{
// restore original VisualAreaSize, because writer objects set
// themselves to a default size OLESIZE
awt::Size aOrigSize = getVisualAreaSize(nAspect);
changeState(embed::EmbedStates::RUNNING);
const bool bIsChart = GetDocumentServiceName() == "com.sun.star.chart2.ChartDocument";
// tdf#108643 unless it's a chart, cause those are weird (#i103460#)
if (!bIsChart && aOrigSize != getVisualAreaSize(nAspect))
setVisualAreaSize(nAspect, aOrigSize);
// the links should be switched back to loaded state for now to avoid locking problems
bBackToLoaded = m_bIsLinkURL;
}
SAL_WARN_IF( !m_xDocHolder->GetComponent().is(), "embeddedobj.common", "Running or Active object has no component!" );
// TODO: return for the aspect of the document
embed::VisualRepresentation aVisualRepresentation;
uno::Reference< embed::XVisualObject > xVisualObject( m_xDocHolder->GetComponent(), uno::UNO_QUERY );
if( xVisualObject.is())
{
aVisualRepresentation = xVisualObject->getPreferredVisualRepresentation( nAspect );
}
else
{
uno::Reference< datatransfer::XTransferable > xTransferable( m_xDocHolder->GetComponent(), uno::UNO_QUERY_THROW );
datatransfer::DataFlavor aDataFlavor(
u"application/x-openoffice-gdimetafile;windows_formatname=\"GDIMetaFile\""_ustr,
u"GDIMetaFile"_ustr,
cppu::UnoType<uno::Sequence< sal_Int8 >>::get() );
if( !xTransferable->isDataFlavorSupported( aDataFlavor ))
throw uno::RuntimeException();
aVisualRepresentation.Data = xTransferable->getTransferData( aDataFlavor );
aVisualRepresentation.Flavor = std::move(aDataFlavor);
}
if ( bBackToLoaded )
changeState( embed::EmbedStates::LOADED );
return aVisualRepresentation;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */