/* -*- 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 .
*/
// TODO/LATER: actually SwEmbedObjectLink should be used here, but because different objects are used to control // embedded object different link objects with the same functionality had to be implemented
namespace {
class SwEmbedObjectLink : public sfx2::SvBaseLink
{
SwOLENode* m_pOleNode;
::sfx2::SvBaseLink::UpdateResult SwEmbedObjectLink::DataChanged( const OUString&, const uno::Any& )
{ if (!m_pOleNode->UpdateLinkURL_Impl())
{ // the link URL was not changed
uno::Reference<embed::XEmbeddedObject> xObject = m_pOleNode->GetOLEObj().GetOleRef();
OSL_ENSURE( xObject.is(), "The object must exist always!" ); if ( xObject.is() )
{ // let the object reload the link // TODO/LATER: reload call could be used for this case
try
{
sal_Int32 nState = xObject->getCurrentState(); if ( nState != embed::EmbedStates::LOADED )
{ // in some cases the linked file probably is not locked so it could be changed
xObject->changeState( embed::EmbedStates::LOADED );
xObject->changeState( nState );
}
} catch (const uno::Exception&)
{
}
}
}
/** * Loading an OLE object that has been moved to the Undo Area
*/ bool SwOLENode::RestorePersistentData()
{
OSL_ENSURE( maOLEObj.GetOleRef().is(), "No object to restore!" ); if ( maOLEObj.m_xOLERef.is() )
{ // If a SvPersist instance already exists, we use it
rtl::Reference<SfxObjectShell> p = GetDoc().GetPersist(); if( !p )
{ // TODO/LATER: Isn't an EmbeddedObjectContainer sufficient here? // What happens to this document?
OSL_ENSURE( false, "Why are we creating a DocShell here?" );
p = new SwDocShell( GetDoc(), SfxObjectCreateMode::INTERNAL );
p->DoInitNew();
}
/* #i119941 When cut or move the chart, SwUndoFlyBase::DelFly will call SaveSection to store the content to storage. In this step, chart filter functions will be called. And chart filter will call chart core functions to create the chart again. Then chart core function will call the class ExplicitCategoryProvider to create data source. In this step, when SW data source provider create the data source, a UnoActionRemoveContext will mess with the layout and create a new SwFlyFrame. But later in SwUndoFlyBase::DelFly, it will clear anchor related attributes of SwFlyFrame. Then finally null pointer occur. Resolution: In pCnt->RemoveEmbeddedObject in SaveSection process of table chart, only remove the object from the object container, without removing it's storage and graphic stream. The chart already removed from formatter.
*/ bool bKeepObjectToTempStorage = true;
uno::Reference < embed::XEmbeddedObject > xIP = GetOLEObj().GetOleRef(); if (IsChart() && !msChartTableName.isEmpty()
&& svt::EmbeddedObjectRef::TryRunningState(xIP))
{
uno::Reference< chart2::XChartDocument > xChart( xIP->getComponent(), UNO_QUERY ); if (xChart.is() && !xChart->hasInternalDataProvider())
{
bKeepObjectToTempStorage = false;
}
}
// TODO/LATER: aOLEObj.aName has no meaning here, since the undo container contains the object // by different name, in future it might makes sense that the name is transported here.
maOLEObj.m_xOLERef.AssignToContainer( nullptr, maOLEObj.m_aName ); try
{ // "unload" object
maOLEObj.m_xOLERef->changeState( embed::EmbedStates::LOADED );
} catch (const uno::Exception&)
{
}
}
}
SwOLENode *pNode = new SwOLENode( rWhere, xObj, pGrfColl, nullptr );
// set parent if XChild is supported //!! needed to supply Math objects with a valid reference device
uno::Reference< container::XChild > xChild( pNode->GetOLEObj().GetObject().GetObject(), UNO_QUERY ); if (xChild.is())
{
SwDocShell *pDocSh = GetDoc().GetDocShell(); if (pDocSh)
xChild->setParent( pDocSh->GetModel() );
}
// set parent if XChild is supported //!! needed to supply Math objects with a valid reference device
uno::Reference< container::XChild > xChild( pNode->GetOLEObj().GetObject().GetObject(), UNO_QUERY ); if (xChild.is())
{
SwDocShell *pDocSh = GetDoc().GetDocShell(); if (pDocSh)
xChild->setParent( pDocSh->GetModel() );
}
SwContentNode* SwOLENode::MakeCopy( SwDoc& rDoc, SwNode& rIdx, bool) const
{ // If there's already a SvPersist instance, we use it
rtl::Reference<SfxObjectShell> pPersistShell = rDoc.GetPersist(); if( !pPersistShell )
{ // TODO/LATER: is EmbeddedObjectContainer not enough? // the created document will be closed by rDoc ( should use SfxObjectShellLock )
pPersistShell = new SwDocShell( rDoc, SfxObjectCreateMode::INTERNAL );
rDoc.SetTmpDocShell(pPersistShell.get());
pPersistShell->DoInitNew();
}
// We insert it at SvPersist level // TODO/LATER: check if using the same naming scheme for all apps works here
OUString aNewName/*( Sw3Io::UniqueName( p->GetStorage(), "Obj" ) )*/;
SfxObjectShell* pSrc = GetDoc().GetPersist();
// pAnchorNd contains the most recently found Section Node, which // now must fulfill the prerequisites for the GlobalDoc
pSectNd = static_cast<const SwSectionNode*>(pAnchorNd); return SectionType::FileLink == pSectNd->GetSection().GetType() &&
pSectNd->GetIndex() > nEndExtraIdx;
}
bool SwOLENode::IsOLEObjectDeleted() const
{ if( maOLEObj.m_xOLERef.is() )
{
SfxObjectShell* p = GetDoc().GetPersist(); if( p ) // Must be there
{ return !p->GetEmbeddedObjectContainer().HasEmbeddedObject( maOLEObj.m_aName );
}
} returnfalse;
}
void SwOLENode::GetNewReplacement()
{ if ( maOLEObj.m_xOLERef.is() )
maOLEObj.m_xOLERef.UpdateReplacement();
}
if ( mpObjectLink )
{
OUString aNewLinkURL;
sfx2::LinkManager::GetDisplayNames( mpObjectLink, nullptr, &aNewLinkURL ); if ( !aNewLinkURL.equalsIgnoreAsciiCase( maLinkURL ) )
{ if ( !maOLEObj.m_xOLERef.is() )
maOLEObj.GetOleRef();
uno::Reference< embed::XEmbeddedObject > xObj = maOLEObj.m_xOLERef.GetObject();
uno::Reference< embed::XCommonEmbedPersist > xPersObj( xObj, uno::UNO_QUERY );
OSL_ENSURE( xPersObj.is(), "The object must exist!" ); if ( xPersObj.is() )
{ try
{
sal_Int32 nCurState = xObj->getCurrentState(); if ( nCurState != embed::EmbedStates::LOADED )
xObj->changeState( embed::EmbedStates::LOADED );
// TODO/LATER: there should be possible to get current mediadescriptor settings from the object
uno::Sequence< beans::PropertyValue > aArgs{ comphelper::makePropertyValue(
u"URL"_ustr, aNewLinkURL) };
xPersObj->reload( aArgs, uno::Sequence< beans::PropertyValue >() );
void SwOLENode::CheckFileLink_Impl()
{ if ( !maOLEObj.m_xOLERef.GetObject().is() || mpObjectLink ) return;
try
{
uno::Reference<embed::XEmbeddedObject> xObject = maOLEObj.m_xOLERef.GetObject(); if (!xObject) return;
bool bIFrame = false;
OUString aLinkURL;
uno::Reference<embed::XLinkageSupport> xLinkSupport(xObject, uno::UNO_QUERY); if (xLinkSupport)
{ if (xLinkSupport->isLink())
aLinkURL = xLinkSupport->getLinkURL();
} else
{ // get IFrame (Floating Frames) listed and updatable from the // manage links dialog
SvGlobalName aClassId(xObject->getClassID()); if (aClassId == SvGlobalName(SO3_IFRAME_CLASSID))
{
uno::Reference<beans::XPropertySet> xSet(xObject->getComponent(), uno::UNO_QUERY); if (xSet.is())
xSet->getPropertyValue(u"FrameURL"_ustr) >>= aLinkURL;
bIFrame = true;
}
}
if (!aLinkURL.isEmpty()) // this is a file link so the model link manager should handle it
{
SwEmbedObjectLink* pEmbedObjectLink = nullptr; if (!bIFrame)
{
pEmbedObjectLink = new SwEmbedObjectLink(this);
mpObjectLink = pEmbedObjectLink;
} else
{
mpObjectLink = new SwIFrameLink(this);
}
maLinkURL = aLinkURL;
GetDoc().getIDocumentLinksAdministration().GetLinkManager().InsertFileLink( *mpObjectLink, sfx2::SvBaseLinkObjectType::ClientOle, aLinkURL ); if (pEmbedObjectLink)
pEmbedObjectLink->Connect();
}
} catch( uno::Exception& )
{
}
}
// evtl.set from the SwOLEObj destructor when a WorkerThread is still active // since it is not possible to kill it - let it terminate and delete the // data working on itself
std::atomic< bool> mbKilled;
void waitFinished()
{ // need to wait until the load in progress is finished. // WorkerThreads need the SolarMutex to be able to continue // and finish the running import.
SolarMutexReleaser aReleaser;
comphelper::ThreadPool::getSharedOptimalPool().waitUntilDone(mpTag);
}
};
namespace {
/// Task for parallelly-executed task to load a chart model class DeflateThread : public comphelper::ThreadTask
{ // the data to work on
DeflateData& mrDeflateData;
private: virtualvoid doWork() override
{ try
{ // load the chart data and get the primitives
mrDeflateData.maPrimitive2DSequence = ChartHelper::tryToGetChartContentAsPrimitive2DSequence(
mrDeflateData.maXModel,
mrDeflateData.maRange);
// model no longer needed and done
mrDeflateData.maXModel.clear();
} catch (const uno::Exception&)
{
}
if(mrDeflateData.mbKilled)
{ // need to cleanup myself - data will not be used delete &mrDeflateData;
}
}
};
SwOLEObj::~SwOLEObj() COVERITY_NOEXCEPT_FALSE
{ if(m_pDeflateData)
{ // set flag so that the worker thread will delete m_pDeflateData // when finished and forget about it
m_pDeflateData->mbKilled = true;
m_pDeflateData = nullptr;
}
if( m_pOLENode && !m_pOLENode->GetDoc().IsInDtor() )
{ // if the model is not currently in destruction it means that this object should be removed from the model
comphelper::EmbeddedObjectContainer* pCnt = m_xOLERef.GetContainer();
#if OSL_DEBUG_LEVEL > 0
SfxObjectShell* p = m_pOLENode->GetDoc().GetPersist();
OSL_ENSURE( p, "No document!" ); if( p )
{
comphelper::EmbeddedObjectContainer& rCnt = p->GetEmbeddedObjectContainer();
OSL_ENSURE( !pCnt || &rCnt == pCnt, "The helper is assigned to unexpected container!" );
} #endif
// not already removed by deleting the object
m_xOLERef.AssignToContainer( nullptr, m_aName );
// unlock object so that object can be closed in RemoveEmbeddedObject // successful closing of the object will automatically clear the reference then
m_xOLERef.Lock(false);
// Always remove object from container it is connected to try
{ // remove object from container but don't close it
pCnt->RemoveEmbeddedObject( m_aName );
} catch ( uno::Exception& )
{
}
}
}
if ( m_xOLERef.is() ) // in case the object wasn't closed: release it // in case the object was not in the container: it's still locked, try to close
m_xOLERef.Clear();
}
// If there's already a SvPersist instance, we use it
rtl::Reference<SfxObjectShell> p = rDoc.GetPersist(); if( !p )
{ // TODO/LATER: Isn't an EmbeddedObjectContainer sufficient here? // What happens to the document?
OSL_ENSURE( false, "Why are we creating a DocShell here??" );
p = new SwDocShell( rDoc, SfxObjectCreateMode::INTERNAL );
p->DoInitNew();
}
OUString aObjName;
uno::Reference < container::XChild > xChild( m_xOLERef.GetObject(), uno::UNO_QUERY ); if ( xChild.is() && xChild->getParent() != p->GetModel() ) // it is possible that the parent was set already
xChild->setParent( p->GetModel() );
rtl::OUString sTargetShellID = SfxObjectShell::CreateShellID(rDoc.GetDocShell());
if ( !xObj.is() )
{ // We could not load this part (probably broken)
tools::Rectangle aArea;
SwFrame *pFrame = m_pOLENode->getLayoutFrame(nullptr); if ( pFrame )
{
Size aSz( pFrame->getFrameArea().SSize() );
aSz = o3tl::convert( aSz, o3tl::Length::twip, o3tl::Length::mm100 );
aArea.SetSize( aSz );
} else
aArea.SetSize( Size( 5000, 5000 ) ); // TODO/LATER: set replacement graphic for dead object // It looks as if it should work even without the object, because the replace will be generated automatically
OUString aTmpName;
xObj = p->GetEmbeddedObjectContainer().CreateEmbeddedObject( SvGlobalName( SO3_DUMMY_CLASSID ).GetByteSequence(), aTmpName );
} if (xObj.is())
{
m_xOLERef.SetIsProtectedHdl(LINK(this, SwOLEObj, IsProtectedHdl));
m_xOLERef.Assign( xObj, m_xOLERef.GetViewAspect() );
m_xOLERef.AssignToContainer( &p->GetEmbeddedObjectContainer(), m_aName );
m_xListener = new SwOLEListener_Impl( this );
xObj->addStateChangeListener( m_xListener );
}
const_cast<SwOLENode*>(m_pOLENode)->CheckFileLink_Impl(); // for this notification nonconst access is required
} elseif ( m_xOLERef->getCurrentState() == embed::EmbedStates::RUNNING )
{ // move object to first position in cache if (!g_pOLELRU_Cache)
g_pOLELRU_Cache = std::make_shared<SwOLELRUCache>();
g_pOLELRU_Cache->InsertObj( *this );
}
if ( SotExchange::IsChart( aClassID ) ) return SwResId(STR_CHART);
return SwResId(STR_OLE);
}
drawinglayer::primitive2d::Primitive2DContainer const & SwOLEObj::tryToGetChartContentAsPrimitive2DSequence(
basegfx::B2DRange& rRange, bool bSynchron)
{ if(m_pDeflateData)
{ if(bSynchron)
{ // data in high quality is requested, wait until the data is available // since a WorkerThread was already started to load it
m_pDeflateData->waitFinished();
}
if(m_pDeflateData->isFinished())
{ // copy the result data and cleanup
m_aPrimitive2DSequence = m_pDeflateData->getSequence();
m_aRange = m_pDeflateData->getRange();
m_nGraphicVersion = GetObject().getGraphicVersion();
m_pDeflateData.reset();
}
}
if(!m_aPrimitive2DSequence.empty() && !m_aRange.isEmpty()
&& m_nGraphicVersion != GetObject().getGraphicVersion())
{ // tdf#149189 use getGraphicVersion() from EmbeddedObjectRef // to decide when to reset buffered data. It gets incremented // at all occasions where the graphic changes. An alternative // would be to extend SwOLEListener_Impl with a XModifyListener // as it is done in EmbedEventListener_Impl, that would // require all the (add|remove)ModifyListener calls and // managing these, plus having a 2nd listener to these when // EmbeddedObjectRef already provides that. Tried that this // works also if an alternative would be needed.
resetBufferedData();
}
if(aXModel.is())
{ // disabled for now, need to check deeper staticbool bAsynchronousLoadingAllowed = false; // loplugin:constvars:ignore
if(bSynchron ||
!bAsynchronousLoadingAllowed)
{ // load chart synchron in this Thread
m_aPrimitive2DSequence = ChartHelper::tryToGetChartContentAsPrimitive2DSequence(
aXModel,
m_aRange);
} else
{ // if not yet setup, initiate and start a WorkerThread to load the chart // and it's primitives asynchron. If it already works, returning nothing // is okay (preview will be reused) if(!m_pDeflateData)
{
m_pDeflateData.reset( new DeflateData(aXModel) );
std::unique_ptr<DeflateThread> pNew( new DeflateThread(*m_pDeflateData) );
comphelper::ThreadPool::getSharedOptimalPool().pushTask(std::move(pNew));
}
}
}
}
if(!m_aPrimitive2DSequence.empty() && !m_aRange.isEmpty())
{ // when we have data, also copy the buffered Range data as output
rRange = m_aRange;
// tdf#149189 ..and the GraphicVersion number to identify changes
m_nGraphicVersion = GetObject().getGraphicVersion();
}
return m_aPrimitive2DSequence;
}
SvxDrawPage* SwOLEObj::tryToGetChartDrawPage() const
{ if (!m_xOLERef.is() || !m_xOLERef.IsChart()) return nullptr; const uno::Reference<frame::XModel> xModel(m_xOLERef->getComponent(), uno::UNO_QUERY); if (!xModel.is()) return nullptr; const uno::Reference<drawing::XDrawPageSupplier> xDrawPageSupplier(xModel, uno::UNO_QUERY); if (!xDrawPageSupplier) return nullptr; const uno::Reference<drawing::XDrawPage> xDrawPage(xDrawPageSupplier->getDrawPage()); if (!xDrawPage) return nullptr; return comphelper::getFromUnoTunnel<SvxDrawPage>(xDrawPage);
}
if(m_pDeflateData)
{ // load is in progress, wait until finished and cleanup without using it
m_pDeflateData->waitFinished();
m_pDeflateData.reset();
}
}
void SwOLELRUCache::tryShrinkCacheTo(sal_Int32 nVal)
{ // size of cache has been changed
sal_Int32 nCount = m_OleObjects.size();
sal_Int32 nPos = nCount;
// try to remove the last entries until new maximum size is reached while( nCount > nVal )
{
SwOLEObj *const pObj = m_OleObjects[ --nPos ]; if ( pObj->UnloadObject() )
nCount--; if ( !nPos ) break;
}
}
void SwOLELRUCache::InsertObj( SwOLEObj& rObj )
{
SwOLEObj* pObj = &rObj; if (autoconst it = std::find(m_OleObjects.begin(), m_OleObjects.end(), pObj);
it != m_OleObjects.end())
{ if (it == m_OleObjects.begin()) return; // Everything is already in place // object in cache but is currently not the first in cache
m_OleObjects.erase(it);
}
std::shared_ptr<SwOLELRUCache> xKeepAlive(g_pOLELRU_Cache); // prevent delete this // try to remove objects if necessary
sal_Int32 nCount = m_OleObjects.size();
sal_Int32 nPos = nCount-1; while (nPos >= 0 && nCount >= m_nLRU_InitSize)
{
pObj = m_OleObjects[ nPos-- ]; if ( pObj->UnloadObject() )
nCount--;
}
m_OleObjects.push_front(&rObj);
}
void SwOLELRUCache::RemoveObj( SwOLEObj& rObj )
{ autoconst it = std::find(m_OleObjects.begin(), m_OleObjects.end(), &rObj); if (it != m_OleObjects.end())
{
m_OleObjects.erase(it);
} if (m_OleObjects.empty())
{ if (g_pOLELRU_Cache.use_count() == 1) // test that we're not in InsertObj()
{
g_pOLELRU_Cache.reset();
}
}
}
Die Informationen auf dieser Webseite wurden
nach bestem Wissen sorgfältig zusammengestellt. Es wird jedoch weder Vollständigkeit, noch Richtigkeit,
noch Qualität der bereit gestellten Informationen zugesichert.
Bemerkung:
Die farbliche Syntaxdarstellung und die Messung sind noch experimentell.