/* -*- 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 <svx/svxerr.hxx>
#include <fmpgeimp.hxx>
#include <fmundo.hxx>
#include <svx/fmtools.hxx>
#include <fmprop.hxx>
#include <fmservs.hxx>
#include <fmobj.hxx>
#include <formcontrolfactory.hxx>
#include <svx/svditer.hxx>
#include <svx/strings.hrc>
#include <treevisitor.hxx>
#include <com/sun/star/sdb/CommandType.hpp>
#include <com/sun/star/container/EnumerableMap.hpp>
#include <com/sun/star/drawing/XControlShape.hpp>
#include <com/sun/star/form/Forms.hpp>
#include <sal/log.hxx>
#include <sfx2/objsh.hxx>
#include <svx/fmglob.hxx>
#include <svx/fmpage.hxx>
#include <svx/fmmodel.hxx>
#include <tools/diagnose_ex.h>
#include <vcl/stdtext.hxx>
#include <svx/dialmgr.hxx>
#include <comphelper/processfactory.hxx>
#include <comphelper/types.hxx>
#include <unotools/streamwrap.hxx>
#include <connectivity/dbtools.hxx>
using namespace ::com::sun::star::uno;
using namespace ::com::sun::star::lang;
using namespace ::com::sun::star::sdbc;
using namespace ::com::sun::star::sdb;
using namespace ::com::sun::star::container;
using namespace ::com::sun::star::beans;
using namespace ::com::sun::star::form;
using ::com::sun::star::awt::XControlModel;
using ::com::sun::star::container::XMap;
using ::com::sun::star::container::EnumerableMap;
using ::com::sun::star::drawing::XControlShape;
using namespace ::svxform;
using namespace ::dbtools;
FmFormPageImpl::FmFormPageImpl( FmFormPage& _rPage )
:m_rPage( _rPage )
,m_bFirstActivation( true )
,m_bAttemptedFormCreation( false )
{
}
namespace
{
class FormComponentInfo
{
public:
static size_t childCount( const Reference< XInterface >& _component )
{
Reference< XIndexAccess > xContainer( _component, UNO_QUERY );
if ( xContainer.is() )
return xContainer->getCount();
return 0;
}
static Reference< XInterface > getChild( const Reference< XInterface >& _component, size_t _index )
{
Reference< XIndexAccess > xContainer( _component, UNO_QUERY_THROW );
return Reference< XInterface >( xContainer->getByIndex( _index ), UNO_QUERY );
}
};
typedef ::std::pair< Reference< XInterface >, Reference< XInterface > > FormComponentPair;
class FormHierarchyComparator
{
public:
FormHierarchyComparator()
{
}
static size_t childCount( const FormComponentPair& _components )
{
size_t lhsCount = FormComponentInfo::childCount( _components.first );
size_t rhsCount = FormComponentInfo::childCount( _components.second );
if ( lhsCount != rhsCount )
throw RuntimeException( "Found inconsistent form component hierarchies (1)!" );
return lhsCount;
}
static FormComponentPair getChild( const FormComponentPair& _components, size_t _index )
{
return FormComponentPair(
FormComponentInfo::getChild( _components.first, _index ),
FormComponentInfo::getChild( _components.second, _index )
);
}
};
typedef ::std::map< Reference< XControlModel >, Reference< XControlModel >, ::comphelper::OInterfaceCompare< XControlModel > > MapControlModels;
class FormComponentAssignment
{
public:
explicit FormComponentAssignment( MapControlModels& _out_controlModelMap )
:m_rControlModelMap( _out_controlModelMap )
{
}
void process( const FormComponentPair& _component )
{
Reference< XControlModel > lhsControlModel( _component.first, UNO_QUERY );
Reference< XControlModel > rhsControlModel( _component.second, UNO_QUERY );
if ( lhsControlModel.is() != rhsControlModel.is() )
throw RuntimeException( "Found inconsistent form component hierarchies (2)!" );
if ( lhsControlModel.is() )
m_rControlModelMap[ lhsControlModel ] = rhsControlModel;
}
private:
MapControlModels& m_rControlModelMap;
};
}
void FmFormPageImpl::initFrom( FmFormPageImpl& i_foreignImpl )
{
// clone the Forms collection
const Reference< css::form::XForms > xForeignForms( i_foreignImpl.getForms( false ) );
if ( !xForeignForms.is() )
return;
try
{
m_xForms.set( xForeignForms->createClone(), UNO_QUERY_THROW );
// create a mapping between the original control models and their clones
MapControlModels aModelAssignment;
typedef TreeVisitor< FormComponentPair, FormHierarchyComparator, FormComponentAssignment > FormComponentVisitor;
FormComponentVisitor aVisitor = FormComponentVisitor( FormHierarchyComparator() );
FormComponentAssignment aAssignmentProcessor( aModelAssignment );
aVisitor.process( FormComponentPair( xForeignForms, m_xForms ), aAssignmentProcessor );
// assign the cloned models to their SdrObjects
SdrObjListIter aForeignIter( &i_foreignImpl.m_rPage );
SdrObjListIter aOwnIter( &m_rPage );
OSL_ENSURE( aForeignIter.IsMore() == aOwnIter.IsMore(), "FmFormPageImpl::FmFormPageImpl: inconsistent number of objects (1)!" );
while ( aForeignIter.IsMore() && aOwnIter.IsMore() )
{
FmFormObj* pForeignObj = dynamic_cast< FmFormObj* >( aForeignIter.Next() );
FmFormObj* pOwnObj = dynamic_cast< FmFormObj* >( aOwnIter.Next() );
bool bForeignIsForm = pForeignObj && ( pForeignObj->GetObjInventor() == SdrInventor::FmForm );
bool bOwnIsForm = pOwnObj && ( pOwnObj->GetObjInventor() == SdrInventor::FmForm );
if ( bForeignIsForm != bOwnIsForm )
{
// if this fires, don't attempt to do further assignments, something's completely messed up
SAL_WARN( "svx.form", "FmFormPageImpl::FmFormPageImpl: inconsistent ordering of objects!" );
break;
}
if ( !bForeignIsForm )
// no form control -> next round
continue;
Reference< XControlModel > xForeignModel( pForeignObj->GetUnoControlModel() );
if ( !xForeignModel.is() )
{
// if this fires, the SdrObject does not have a UNO Control Model. This is pathological, but well ...
// So the cloned SdrObject will also not have a UNO Control Model.
SAL_WARN( "svx.form", "FmFormPageImpl::FmFormPageImpl: control shape without control!" );
continue;
}
MapControlModels::const_iterator assignment = aModelAssignment.find( xForeignModel );
if ( assignment == aModelAssignment.end() )
{
// if this fires, the source SdrObject has a model, but it is not part of the model hierarchy in
// i_foreignImpl.getForms().
// Pathological, too ...
SAL_WARN( "svx.form", "FmFormPageImpl::FmFormPageImpl: no clone found for this model!" );
continue;
}
pOwnObj->SetUnoControlModel( assignment->second );
}
OSL_ENSURE( aForeignIter.IsMore() == aOwnIter.IsMore(), "FmFormPageImpl::FmFormPageImpl: inconsistent number of objects (2)!" );
}
catch( const Exception& )
{
DBG_UNHANDLED_EXCEPTION("svx");
}
}
Reference< XMap > FmFormPageImpl::getControlToShapeMap()
{
Reference< XMap > xControlShapeMap( m_aControlShapeMap.get(), UNO_QUERY );
if ( xControlShapeMap.is() )
return xControlShapeMap;
xControlShapeMap = impl_createControlShapeMap_nothrow();
m_aControlShapeMap = xControlShapeMap;
return xControlShapeMap;
}
namespace
{
void lcl_insertFormObject_throw( const FmFormObj& _object, const Reference< XMap >& _map )
{
// the control model
Reference< XControlModel > xControlModel( _object.GetUnoControlModel(), UNO_QUERY );
OSL_ENSURE( xControlModel.is(), "lcl_insertFormObject_throw: suspicious: no control model!" );
if ( !xControlModel.is() )
return;
Reference< XControlShape > xControlShape( const_cast< FmFormObj& >( _object ).getUnoShape(), UNO_QUERY );
OSL_ENSURE( xControlShape.is(), "lcl_insertFormObject_throw: suspicious: no control shape!" );
if ( !xControlShape.is() )
return;
_map->put( makeAny( xControlModel ), makeAny( xControlShape ) );
}
void lcl_removeFormObject_throw( const FmFormObj& _object, const Reference< XMap >& _map )
{
// the control model
Reference< XControlModel > xControlModel( _object.GetUnoControlModel(), UNO_QUERY );
OSL_ENSURE( xControlModel.is(), "lcl_removeFormObject: suspicious: no control model!" );
if ( !xControlModel.is() )
{
return;
}
Any aOldAssignment = _map->remove( makeAny( xControlModel ) );
OSL_ENSURE(
aOldAssignment == makeAny( Reference< XControlShape >( const_cast< FmFormObj& >( _object ).getUnoShape(), UNO_QUERY ) ),
"lcl_removeFormObject: map was inconsistent!" );
}
}
Reference< XMap > FmFormPageImpl::impl_createControlShapeMap_nothrow()
{
Reference< XMap > xMap;
try
{
xMap.set( EnumerableMap::create( comphelper::getProcessComponentContext(),
::cppu::UnoType< XControlModel >::get(),
::cppu::UnoType< XControlShape >::get()
).get(), UNO_SET_THROW );
SdrObjListIter aPageIter( &m_rPage );
while ( aPageIter.IsMore() )
{
// only FmFormObjs are what we're interested in
FmFormObj* pCurrent = FmFormObj::GetFormObject( aPageIter.Next() );
if ( !pCurrent )
continue;
lcl_insertFormObject_throw( *pCurrent, xMap );
}
}
catch( const Exception& )
{
DBG_UNHANDLED_EXCEPTION("svx");
}
return xMap;
}
const Reference< css::form::XForms >& FmFormPageImpl::getForms( bool _bForceCreate )
{
if ( m_xForms.is() || !_bForceCreate )
return m_xForms;
if ( !m_bAttemptedFormCreation )
{
m_bAttemptedFormCreation = true;
Reference<XComponentContext> xContext = comphelper::getProcessComponentContext();
m_xForms = css::form::Forms::create( xContext );
if ( m_aFormsCreationHdl.IsSet() )
{
m_aFormsCreationHdl.Call( *this );
}
FmFormModel& rFmFormModel(dynamic_cast< FmFormModel& >(m_rPage.getSdrModelFromSdrPage()));
// give the newly created collection a place in the universe
SfxObjectShell* pObjShell(rFmFormModel.GetObjectShell());
if ( pObjShell )
m_xForms->setParent( pObjShell->GetModel() );
// tell the UNDO environment that we have a new forms collection
rFmFormModel.GetUndoEnv().AddForms( Reference<XNameContainer>(m_xForms,UNO_QUERY_THROW) );
}
return m_xForms;
}
FmFormPageImpl::~FmFormPageImpl()
{
xCurrentForm = nullptr;
::comphelper::disposeComponent( m_xForms );
}
bool FmFormPageImpl::validateCurForm()
{
if ( !xCurrentForm.is() )
return false;
Reference< XChild > xAsChild( xCurrentForm, UNO_QUERY );
DBG_ASSERT( xAsChild.is(), "FmFormPageImpl::validateCurForm: a form which is no child??" );
if ( !xAsChild.is() || !xAsChild->getParent().is() )
xCurrentForm.clear();
return xCurrentForm.is();
}
void FmFormPageImpl::setCurForm(const Reference< css::form::XForm >& xForm)
{
xCurrentForm = xForm;
}
Reference< XForm > FmFormPageImpl::getDefaultForm()
{
Reference< XForm > xForm;
Reference< XForms > xForms( getForms() );
// by default, we use our "current form"
if ( !validateCurForm() )
{
// check whether there is a "standard" form
if ( Reference<XNameAccess>(xForms,UNO_QUERY_THROW)->hasElements() )
{
// find the standard form
OUString sStandardFormname = SvxResId(RID_STR_STDFORMNAME);
try
{
if ( xForms->hasByName( sStandardFormname ) )
xForm.set( xForms->getByName( sStandardFormname ), UNO_QUERY_THROW );
else
{
xForm.set( xForms->getByIndex(0), UNO_QUERY_THROW );
}
}
catch( const Exception& )
{
DBG_UNHANDLED_EXCEPTION("svx");
}
}
}
else
{
xForm = xCurrentForm;
}
// did not find an existing suitable form -> create a new one
if ( !xForm.is() )
{
SdrModel& rModel(m_rPage.getSdrModelFromSdrPage());
if( rModel.IsUndoEnabled() )
{
OUString aStr(SvxResId(RID_STR_FORM));
OUString aUndoStr(SvxResId(RID_STR_UNDO_CONTAINER_INSERT));
rModel.BegUndo(aUndoStr.replaceFirst("'#'", aStr));
}
try
{
xForm.set( ::comphelper::getProcessServiceFactory()->createInstance( FM_SUN_COMPONENT_FORM ), UNO_QUERY );
// a form should always have the command type table as default
Reference< XPropertySet > xFormProps( xForm, UNO_QUERY_THROW );
xFormProps->setPropertyValue( FM_PROP_COMMANDTYPE, makeAny( sal_Int32( CommandType::TABLE ) ) );
// and the "Standard" name
OUString sName = SvxResId(RID_STR_STDFORMNAME);
xFormProps->setPropertyValue( FM_PROP_NAME, makeAny( sName ) );
if( rModel.IsUndoEnabled() )
{
rModel.AddUndo(
new FmUndoContainerAction(
static_cast< FmFormModel& >(rModel),
FmUndoContainerAction::Inserted,
xForms,
xForm,
xForms->getCount()));
}
xForms->insertByName( sName, makeAny( xForm ) );
xCurrentForm = xForm;
}
catch( const Exception& )
{
DBG_UNHANDLED_EXCEPTION("svx");
xForm.clear();
}
if( rModel.IsUndoEnabled() )
rModel.EndUndo();
}
return xForm;
}
Reference< css::form::XForm > FmFormPageImpl::findPlaceInFormComponentHierarchy(
const Reference< XFormComponent > & rContent, const Reference< XDataSource > & rDatabase,
const OUString& rDBTitle, const OUString& rCursorSource, sal_Int32 nCommandType )
{
// if the control already is child of a form, don't do anything
if (!rContent.is() || rContent->getParent().is())
return nullptr;
Reference< XForm > xForm;
// If database and CursorSource are set, the form is searched for using
// these criteria, otherwise only current and the DefaultForm.
if (rDatabase.is() && !rCursorSource.isEmpty())
{
validateCurForm();
// first search in the current form
xForm = findFormForDataSource( xCurrentForm, rDatabase, rCursorSource, nCommandType );
Reference< css::container::XIndexAccess > xFormsByIndex( getForms(), UNO_QUERY );
DBG_ASSERT(xFormsByIndex.is(), "FmFormPageImpl::findPlaceInFormComponentHierarchy : no index access for my forms collection !");
sal_Int32 nCount = xFormsByIndex->getCount();
for (sal_Int32 i = 0; !xForm.is() && i < nCount; i++)
{
Reference< css::form::XForm > xToSearch;
xFormsByIndex->getByIndex(i) >>= xToSearch;
xForm = findFormForDataSource( xToSearch, rDatabase, rCursorSource, nCommandType );
}
// If no css::form found, then create a new one
if (!xForm.is())
{
SdrModel& rModel(m_rPage.getSdrModelFromSdrPage());
const bool bUndo(rModel.IsUndoEnabled());
if( bUndo )
{
OUString aStr(SvxResId(RID_STR_FORM));
OUString aUndoStr(SvxResId(RID_STR_UNDO_CONTAINER_INSERT));
aUndoStr = aUndoStr.replaceFirst("#", aStr);
rModel.BegUndo(aUndoStr);
}
xForm.set(::comphelper::getProcessServiceFactory()->createInstance(FM_SUN_COMPONENT_FORM), UNO_QUERY);
// a form should always have the command type table as default
Reference< css::beans::XPropertySet > xFormProps(xForm, UNO_QUERY);
try { xFormProps->setPropertyValue(FM_PROP_COMMANDTYPE, makeAny(sal_Int32(CommandType::TABLE))); }
catch(Exception&) { }
if (!rDBTitle.isEmpty())
xFormProps->setPropertyValue(FM_PROP_DATASOURCE,makeAny(rDBTitle));
else
{
Reference< css::beans::XPropertySet > xDatabaseProps(rDatabase, UNO_QUERY);
Any aDatabaseUrl = xDatabaseProps->getPropertyValue(FM_PROP_URL);
xFormProps->setPropertyValue(FM_PROP_URL, aDatabaseUrl);
}
xFormProps->setPropertyValue(FM_PROP_COMMAND,makeAny(rCursorSource));
xFormProps->setPropertyValue(FM_PROP_COMMANDTYPE, makeAny(nCommandType));
Reference< css::container::XNameAccess > xNamedSet( getForms(), UNO_QUERY );
const bool bTableOrQuery = ( CommandType::TABLE == nCommandType ) || ( CommandType::QUERY == nCommandType );
OUString sName = FormControlFactory::getUniqueName( xNamedSet,
bTableOrQuery ? rCursorSource : SvxResId(RID_STR_STDFORMNAME) );
xFormProps->setPropertyValue( FM_PROP_NAME, makeAny( sName ) );
if( bUndo )
{
Reference< css::container::XIndexContainer > xContainer( getForms(), UNO_QUERY );
rModel.AddUndo(
new FmUndoContainerAction(
static_cast< FmFormModel& >(rModel),
FmUndoContainerAction::Inserted,
xContainer,
xForm,
xContainer->getCount()));
}
getForms()->insertByName( sName, makeAny( xForm ) );
if( bUndo )
rModel.EndUndo();
}
xCurrentForm = xForm;
}
xForm = getDefaultForm();
return xForm;
}
Reference< XForm > FmFormPageImpl::findFormForDataSource(
const Reference< XForm > & rForm, const Reference< XDataSource > & _rxDatabase,
const OUString& _rCursorSource, sal_Int32 nCommandType)
{
Reference< XForm > xResultForm;
Reference< XRowSet > xDBForm(rForm, UNO_QUERY);
Reference< XPropertySet > xFormProps(rForm, UNO_QUERY);
if (!xDBForm.is() || !xFormProps.is())
return xResultForm;
OSL_ENSURE(_rxDatabase.is(), "FmFormPageImpl::findFormForDataSource: invalid data source!");
OUString sLookupName; // the name of the data source we're looking for
OUString sFormDataSourceName; // the name of the data source the current connection in the form is based on
try
{
Reference< XPropertySet > xDSProps(_rxDatabase, UNO_QUERY);
if (xDSProps.is())
xDSProps->getPropertyValue(FM_PROP_NAME) >>= sLookupName;
xFormProps->getPropertyValue(FM_PROP_DATASOURCE) >>= sFormDataSourceName;
// if there's no DataSourceName set at the form, check whether we can deduce one from its
// ActiveConnection
if (sFormDataSourceName.isEmpty())
{
Reference< XConnection > xFormConnection;
xFormProps->getPropertyValue( FM_PROP_ACTIVE_CONNECTION ) >>= xFormConnection;
if ( !xFormConnection.is() )
isEmbeddedInDatabase( xFormProps, xFormConnection );
if (xFormConnection.is())
{
Reference< XChild > xConnAsChild(xFormConnection, UNO_QUERY);
if (xConnAsChild.is())
{
Reference< XDataSource > xFormDS(xConnAsChild->getParent(), UNO_QUERY);
if (xFormDS.is())
{
xDSProps.set(xFormDS, css::uno::UNO_QUERY);
if (xDSProps.is())
xDSProps->getPropertyValue(FM_PROP_NAME) >>= sFormDataSourceName;
}
}
}
}
}
catch(const Exception&)
{
OSL_FAIL("FmFormPageImpl::findFormForDataSource: caught an exception!");
}
if (sLookupName == sFormDataSourceName)
{
// now check whether CursorSource and type match
OUString aCursorSource = ::comphelper::getString(xFormProps->getPropertyValue(FM_PROP_COMMAND));
sal_Int32 nType = ::comphelper::getINT32(xFormProps->getPropertyValue(FM_PROP_COMMANDTYPE));
if (aCursorSource.isEmpty() || ((nType == nCommandType) && (aCursorSource == _rCursorSource))) // found the form
{
xResultForm = rForm;
// if no data source is set yet, it is done here
if (aCursorSource.isEmpty())
{
xFormProps->setPropertyValue(FM_PROP_COMMAND, makeAny(_rCursorSource));
xFormProps->setPropertyValue(FM_PROP_COMMANDTYPE, makeAny(nCommandType));
}
}
}
// as long as xResultForm is NULL, search the child forms of rForm
Reference< XIndexAccess > xComponents(rForm, UNO_QUERY);
sal_Int32 nCount = xComponents->getCount();
for (sal_Int32 i = 0; !xResultForm.is() && i < nCount; ++i)
{
Reference< css::form::XForm > xSearchForm;
xComponents->getByIndex(i) >>= xSearchForm;
// continue searching in the sub form
if (xSearchForm.is())
xResultForm = findFormForDataSource( xSearchForm, _rxDatabase, _rCursorSource, nCommandType );
}
return xResultForm;
}
OUString FmFormPageImpl::setUniqueName(const Reference< XFormComponent > & xFormComponent, const Reference< XForm > & xControls)
{
#if OSL_DEBUG_LEVEL > 0
try
{
OSL_ENSURE( !xFormComponent->getParent().is(), "FmFormPageImpl::setUniqueName: to be called before insertion!" );
}
catch( const Exception& )
{
DBG_UNHANDLED_EXCEPTION("svx");
}
#endif
OUString sName;
Reference< css::beans::XPropertySet > xSet(xFormComponent, UNO_QUERY);
if (xSet.is())
{
sName = ::comphelper::getString( xSet->getPropertyValue( FM_PROP_NAME ) );
Reference< css::container::XNameAccess > xNameAcc(xControls, UNO_QUERY);
if (sName.isEmpty() || xNameAcc->hasByName(sName))
{
// set a default name via the ClassId
sal_Int16 nClassId( FormComponentType::CONTROL );
xSet->getPropertyValue( FM_PROP_CLASSID ) >>= nClassId;
OUString sDefaultName = FormControlFactory::getDefaultUniqueName_ByComponentType(
Reference< XNameAccess >( xControls, UNO_QUERY ), xSet );
// do not overwrite the name of radio buttons that have it!
if (sName.isEmpty() || nClassId != css::form::FormComponentType::RADIOBUTTON)
{
xSet->setPropertyValue(FM_PROP_NAME, makeAny(sDefaultName));
}
sName = sDefaultName;
}
}
return sName;
}
void FmFormPageImpl::formModelAssigned( const FmFormObj& _object )
{
Reference< XMap > xControlShapeMap( m_aControlShapeMap.get(), UNO_QUERY );
if ( !xControlShapeMap.is() )
// our map does not exist -> not interested in this event
return;
try
{
lcl_removeFormObject_throw( _object, xControlShapeMap );
lcl_insertFormObject_throw( _object, xControlShapeMap );
}
catch( const Exception& )
{
DBG_UNHANDLED_EXCEPTION("svx");
}
}
void FmFormPageImpl::formObjectInserted( const FmFormObj& _object )
{
Reference< XMap > xControlShapeMap( m_aControlShapeMap.get(), UNO_QUERY );
if ( !xControlShapeMap.is() )
// our map does not exist -> not interested in this event
return;
try
{
lcl_insertFormObject_throw( _object, xControlShapeMap );
}
catch( const Exception& )
{
DBG_UNHANDLED_EXCEPTION("svx");
}
}
void FmFormPageImpl::formObjectRemoved( const FmFormObj& _object )
{
Reference< XMap > xControlShapeMap( m_aControlShapeMap.get(), UNO_QUERY );
if ( !xControlShapeMap.is() )
// our map does not exist -> not interested in this event
return;
try
{
lcl_removeFormObject_throw( _object, xControlShapeMap );
}
catch( const Exception& )
{
DBG_UNHANDLED_EXCEPTION("svx");
}
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
↑ V522 There might be dereferencing of a potential null pointer 'pOwnObj'.