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Diffstat (limited to 'comphelper/source/property/propagg.cxx')
| -rw-r--r-- | comphelper/source/property/propagg.cxx | 876 |
1 files changed, 876 insertions, 0 deletions
diff --git a/comphelper/source/property/propagg.cxx b/comphelper/source/property/propagg.cxx new file mode 100644 index 0000000000..5a0574460c --- /dev/null +++ b/comphelper/source/property/propagg.cxx @@ -0,0 +1,876 @@ +/* -*- 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 <comphelper/propagg.hxx> +#include <comphelper/property.hxx> +#include <comphelper/sequence.hxx> +#include <cppuhelper/queryinterface.hxx> +#include <osl/diagnose.h> +#include <sal/log.hxx> +#include <com/sun/star/beans/PropertyAttribute.hpp> +#include <o3tl/sorted_vector.hxx> +#include <typeinfo> +#include <algorithm> +#include <cstddef> +#include <unordered_set> +#include <memory> + + +namespace comphelper +{ + + + using namespace ::com::sun::star::uno; + using namespace ::com::sun::star::lang; + using namespace ::com::sun::star::beans; + + using namespace internal; + + + namespace + { + const Property* lcl_findPropertyByName( const std::vector< Property >& _rProps, const OUString& _rName ) + { + Property aNameProp(_rName, 0, Type(), 0); + auto pResult = std::lower_bound(_rProps.begin(), _rProps.end(), aNameProp, PropertyCompareByName()); + if ( pResult == _rProps.end() || pResult->Name != _rName ) + return nullptr; + + return &*pResult; + } + } + +OPropertyArrayAggregationHelper::OPropertyArrayAggregationHelper( + const Sequence< Property >& _rProperties, const Sequence< Property >& _rAggProperties, + IPropertyInfoService* _pInfoService, sal_Int32 _nFirstAggregateId ) +{ + // if properties are present both at the delegatee and the aggregate, then the former are supposed to win + // merge and sort properties by name, delete duplicates (stable sort ensures delegator properties win) + m_aProperties.insert( m_aProperties.end(), _rProperties.begin(), _rProperties.end() ); + m_aProperties.insert( m_aProperties.end(), _rAggProperties.begin(), _rAggProperties.end() ); + std::stable_sort( m_aProperties.begin(), m_aProperties.end(), PropertyCompareByName() ); + m_aProperties.erase( std::unique(m_aProperties.begin(), m_aProperties.end(), + []( const css::beans::Property& x, const css::beans::Property& y ) -> bool { return x.Name == y.Name; } ), + m_aProperties.end() ); + m_aProperties.shrink_to_fit(); + + // fill aDelegatorProps with names from _rProperties for a fast existence check + // different kinds of properties are processed differently + std::unordered_set< OUString > aDelegatorProps; + aDelegatorProps.reserve( _rProperties.getLength() ); + for( auto &delegateProp: _rProperties ) + { + const auto inserted = aDelegatorProps.insert( delegateProp.Name ); + OSL_ENSURE( inserted.second, + "OPropertyArrayAggregationHelper::OPropertyArrayAggregationHelper: duplicate delegatee property!" ); + } + + std::unordered_set< sal_Int32 > existingHandles; + existingHandles.reserve( m_aProperties.size() ); + sal_Int32 nAggregateHandle = _nFirstAggregateId; + for ( std::size_t nMPLoop = 0; nMPLoop < m_aProperties.size(); ++nMPLoop ) + { + auto &prop = m_aProperties[ nMPLoop ]; + if ( aDelegatorProps.find( prop.Name ) != aDelegatorProps.end() ) + { + m_aPropertyAccessors.insert_or_assign( + prop.Handle, OPropertyAccessor( -1, nMPLoop, false )); + existingHandles.insert( prop.Handle ); + } + else + { + // determine the handle for the property which we will expose to the outside world + sal_Int32 nHandle = -1; + // ask the info service first + if ( _pInfoService ) + nHandle = _pInfoService->getPreferredPropertyId( prop.Name ); + + if ( ( -1 == nHandle ) || ( existingHandles.find( nHandle ) != existingHandles.end() ) ) + { + // 1. no handle from the info service -> default + // 2. conflicts -> use another one (which we don't check anymore, assuming _nFirstAggregateId was large enough) + nHandle = nAggregateHandle++; + } + else + { + existingHandles.insert( nHandle ); + } + + // remember the accessor for this property + m_aPropertyAccessors.insert_or_assign( + nHandle, OPropertyAccessor( prop.Handle, nMPLoop, true )); + prop.Handle = nHandle; + } + } +} + + +OPropertyArrayAggregationHelper::PropertyOrigin OPropertyArrayAggregationHelper::classifyProperty( const OUString& _rName ) +{ + PropertyOrigin eOrigin = PropertyOrigin::Unknown; + // look up the name + const Property* pPropertyDescriptor = lcl_findPropertyByName( m_aProperties, _rName ); + if ( pPropertyDescriptor ) + { + // look up the handle for this name + auto aPos = m_aPropertyAccessors.find( pPropertyDescriptor->Handle ); + OSL_ENSURE( m_aPropertyAccessors.end() != aPos, "OPropertyArrayAggregationHelper::classifyProperty: should have this handle in my map!" ); + if ( m_aPropertyAccessors.end() != aPos ) + { + eOrigin = aPos->second.bAggregate ? PropertyOrigin::Aggregate : PropertyOrigin::Delegator; + } + } + return eOrigin; +} + + +Property OPropertyArrayAggregationHelper::getPropertyByName( const OUString& _rPropertyName ) +{ + const Property* pProperty = findPropertyByName( _rPropertyName ); + + if ( !pProperty ) + throw UnknownPropertyException(_rPropertyName); + + return *pProperty; +} + + +sal_Bool OPropertyArrayAggregationHelper::hasPropertyByName(const OUString& _rPropertyName) +{ + return nullptr != findPropertyByName( _rPropertyName ); +} + + +const Property* OPropertyArrayAggregationHelper::findPropertyByName(const OUString& _rName ) const +{ + return lcl_findPropertyByName( m_aProperties, _rName ); +} + + +sal_Int32 OPropertyArrayAggregationHelper::getHandleByName(const OUString& _rPropertyName) +{ + const Property* pProperty = findPropertyByName( _rPropertyName ); + return pProperty ? pProperty->Handle : -1; +} + + +sal_Bool OPropertyArrayAggregationHelper::fillPropertyMembersByHandle( + OUString* _pPropName, sal_Int16* _pAttributes, sal_Int32 _nHandle) +{ + auto i = m_aPropertyAccessors.find(_nHandle); + bool bRet = i != m_aPropertyAccessors.end(); + if (bRet) + { + const css::beans::Property& rProperty = m_aProperties[(*i).second.nPos]; + if (_pPropName) + *_pPropName = rProperty.Name; + if (_pAttributes) + *_pAttributes = rProperty.Attributes; + } + return bRet; +} + + +bool OPropertyArrayAggregationHelper::getPropertyByHandle( sal_Int32 _nHandle, Property& _rProperty ) const +{ + auto pos = m_aPropertyAccessors.find(_nHandle); + if ( pos != m_aPropertyAccessors.end() ) + { + _rProperty = m_aProperties[ pos->second.nPos ]; + return true; + } + return false; +} + + +bool OPropertyArrayAggregationHelper::fillAggregatePropertyInfoByHandle( + OUString* _pPropName, sal_Int32* _pOriginalHandle, sal_Int32 _nHandle) const +{ + auto i = m_aPropertyAccessors.find(_nHandle); + bool bRet = i != m_aPropertyAccessors.end() && (*i).second.bAggregate; + if (bRet) + { + if (_pOriginalHandle) + *_pOriginalHandle = (*i).second.nOriginalHandle; + if (_pPropName) + { + OSL_ENSURE((*i).second.nPos < m_aProperties.size(),"Invalid index for sequence!"); + const css::beans::Property& rProperty = m_aProperties[(*i).second.nPos]; + *_pPropName = rProperty.Name; + } + } + return bRet; +} + + +css::uno::Sequence< css::beans::Property> OPropertyArrayAggregationHelper::getProperties() +{ + return comphelper::containerToSequence(m_aProperties); +} + + +sal_Int32 OPropertyArrayAggregationHelper::fillHandles( + sal_Int32* _pHandles, const css::uno::Sequence< OUString >& _rPropNames ) +{ + sal_Int32 nHitCount = 0; + const OUString* pReqProps = _rPropNames.getConstArray(); + sal_Int32 nReqLen = _rPropNames.getLength(); + + Property aNameProp; + for( sal_Int32 i = 0; i < nReqLen; ++i ) + { + aNameProp.Name = pReqProps[i]; + auto findIter = std::lower_bound(m_aProperties.begin(), m_aProperties.end(), aNameProp, PropertyCompareByName()); + if ( findIter != m_aProperties.end() && findIter->Name == pReqProps[i] ) + { + _pHandles[i] = findIter->Handle; + nHitCount++; + } + } + return nHitCount; +} + +namespace internal +{ + class PropertyForwarder + { + private: + OPropertySetAggregationHelper& m_rAggregationHelper; + o3tl::sorted_vector< sal_Int32 > m_aProperties; + sal_Int32 m_nCurrentlyForwarding; + + public: + explicit PropertyForwarder( OPropertySetAggregationHelper& _rAggregationHelper ); + + /** declares that the forwarder should be responsible for the given property + + @param _nHandle + the public handle (<em>not</em> the original handle!) of the property + */ + void takeResponsibilityFor( sal_Int32 _nHandle ); + + /** checks whether the forwarder is responsible for the given property + */ + bool isResponsibleFor( sal_Int32 _nHandle ) const; + + /// actually forwards a property value to the aggregate + /// + /// @throws Exception + void doForward( sal_Int32 _nHandle, const Any& _rValue ); + + sal_Int32 getCurrentlyForwardedProperty( ) const { return m_nCurrentlyForwarding; } + }; + + + PropertyForwarder::PropertyForwarder( OPropertySetAggregationHelper& _rAggregationHelper ) + :m_rAggregationHelper( _rAggregationHelper ) + ,m_nCurrentlyForwarding( -1 ) + { + } + + + void PropertyForwarder::takeResponsibilityFor( sal_Int32 _nHandle ) + { + m_aProperties.insert( _nHandle ); + } + + + bool PropertyForwarder::isResponsibleFor( sal_Int32 _nHandle ) const + { + return m_aProperties.find( _nHandle ) != m_aProperties.end(); + } + + + void PropertyForwarder::doForward( sal_Int32 _nHandle, const Any& _rValue ) + { + OSL_ENSURE( m_rAggregationHelper.m_xAggregateSet.is(), "PropertyForwarder::doForward: no property set!" ); + if ( !m_rAggregationHelper.m_xAggregateSet.is() ) + return; + + m_rAggregationHelper.forwardingPropertyValue( _nHandle ); + + OSL_ENSURE( m_nCurrentlyForwarding == -1, "PropertyForwarder::doForward: reentrance?" ); + m_nCurrentlyForwarding = _nHandle; + + try + { + m_rAggregationHelper.m_xAggregateSet->setPropertyValue( m_rAggregationHelper.getPropertyName( _nHandle ), _rValue ); + // TODO: cache the property name? (it's a O(log n) search) + } + catch( const Exception& ) + { + m_rAggregationHelper.forwardedPropertyValue( _nHandle ); + throw; + } + + m_nCurrentlyForwarding = -1; + + m_rAggregationHelper.forwardedPropertyValue( _nHandle ); + } +} + +OPropertySetAggregationHelper::OPropertySetAggregationHelper( ::cppu::OBroadcastHelper& rBHlp ) + :OPropertyStateHelper( rBHlp ) + ,m_bListening( false ) +{ + m_pForwarder.reset( new PropertyForwarder( *this ) ); +} + + +OPropertySetAggregationHelper::~OPropertySetAggregationHelper() +{ +} + + +css::uno::Any SAL_CALL OPropertySetAggregationHelper::queryInterface(const css::uno::Type& _rType) +{ + css::uno::Any aReturn = OPropertyStateHelper::queryInterface(_rType); + + if ( !aReturn.hasValue() ) + aReturn = cppu::queryInterface(_rType + ,static_cast< css::beans::XPropertiesChangeListener*>(this) + ,static_cast< css::beans::XVetoableChangeListener*>(this) + ,static_cast< css::lang::XEventListener*>(static_cast< css::beans::XPropertiesChangeListener*>(this)) + ); + + return aReturn; +} + + +void OPropertySetAggregationHelper::disposing() +{ + osl::MutexGuard aGuard(rBHelper.rMutex); + + if ( m_xAggregateSet.is() && m_bListening ) + { + // register as a single listener + m_xAggregateMultiSet->removePropertiesChangeListener(this); + m_xAggregateSet->removeVetoableChangeListener(OUString(), this); + m_bListening = false; + } + + OPropertyStateHelper::disposing(); +} + + +void SAL_CALL OPropertySetAggregationHelper::disposing(const css::lang::EventObject& _rSource) +{ + OSL_ENSURE(m_xAggregateSet.is(), "OPropertySetAggregationHelper::disposing : don't have an aggregate anymore !"); + if (_rSource.Source == m_xAggregateSet) + m_bListening = false; +} + + +void SAL_CALL OPropertySetAggregationHelper::propertiesChange(const css::uno::Sequence< css::beans::PropertyChangeEvent>& _rEvents) +{ + OSL_ENSURE(m_xAggregateSet.is(), "OPropertySetAggregationHelper::propertiesChange : have no aggregate !"); + + sal_Int32 nLen = _rEvents.getLength(); + cppu::IPropertyArrayHelper& rPH = getInfoHelper(); + + if (1 == nLen) + { + const css::beans::PropertyChangeEvent& evt = _rEvents.getConstArray()[0]; + OSL_ENSURE(!evt.PropertyName.isEmpty(), "OPropertySetAggregationHelper::propertiesChange : invalid event !"); + // we had a bug where this assertion would have us saved a whole day :) (72514) + sal_Int32 nHandle = rPH.getHandleByName( evt.PropertyName ); + + // If nHandle is -1 the event marks a (aggregate) property which we hide to callers + // If isCurrentlyForwardingProperty( nHandle ) is <TRUE/>, then we ourself triggered + // setting this property. In this case, it will be notified later (by the OPropertySetHelper + // implementation) + + if ( ( nHandle != -1 ) && !isCurrentlyForwardingProperty( nHandle ) ) + fire(&nHandle, &evt.NewValue, &evt.OldValue, 1, false); + } + else + { + std::unique_ptr<sal_Int32[]> pHandles(new sal_Int32[nLen]); + std::unique_ptr< css::uno::Any[]> pNewValues(new css::uno::Any[nLen]); + std::unique_ptr< css::uno::Any[]> pOldValues(new css::uno::Any[nLen]); + + sal_Int32 nDest = 0; + for (const css::beans::PropertyChangeEvent& rEvent : _rEvents) + { + sal_Int32 nHandle = rPH.getHandleByName(rEvent.PropertyName); + if ( ( nHandle != -1 ) && !isCurrentlyForwardingProperty( nHandle ) ) + { // same as above : -1 is valid (73247) ... + pHandles[nDest] = nHandle; + pNewValues[nDest] = rEvent.NewValue; + pOldValues[nDest] = rEvent.OldValue; + ++nDest; + } + } + + if (nDest) + fire(pHandles.get(), pNewValues.get(), pOldValues.get(), nDest, false); + } +} + + +void SAL_CALL OPropertySetAggregationHelper::vetoableChange(const css::beans::PropertyChangeEvent& _rEvent) +{ + OSL_ENSURE(m_xAggregateSet.is(), "OPropertySetAggregationHelper::vetoableChange : have no aggregate !"); + + cppu::IPropertyArrayHelper& rPH = getInfoHelper(); + + sal_Int32 nHandle = rPH.getHandleByName(_rEvent.PropertyName); + fire(&nHandle, &_rEvent.NewValue, &_rEvent.OldValue, 1, true); +} + + +void OPropertySetAggregationHelper::setAggregation(const css::uno::Reference< css::uno::XInterface >& _rxDelegate) +{ + osl::MutexGuard aGuard(rBHelper.rMutex); + + if (m_bListening && m_xAggregateSet.is()) + { + m_xAggregateMultiSet->removePropertiesChangeListener(this); + m_xAggregateSet->removeVetoableChangeListener(OUString(), this); + m_bListening = false; + } + + m_xAggregateState.set(_rxDelegate, css::uno::UNO_QUERY); + m_xAggregateSet.set(_rxDelegate, css::uno::UNO_QUERY); + m_xAggregateMultiSet.set(_rxDelegate, css::uno::UNO_QUERY); + m_xAggregateFastSet.set(_rxDelegate, css::uno::UNO_QUERY); + + // must support XPropertySet and XMultiPropertySet + if ( m_xAggregateSet.is() && !m_xAggregateMultiSet.is() ) + throw css::lang::IllegalArgumentException(); +} + + +void OPropertySetAggregationHelper::startListening() +{ + osl::MutexGuard aGuard(rBHelper.rMutex); + + if (!m_bListening && m_xAggregateSet.is()) + { + // register as a single listener + css::uno::Sequence< OUString > aPropertyNames; + m_xAggregateMultiSet->addPropertiesChangeListener(aPropertyNames, this); + m_xAggregateSet->addVetoableChangeListener(OUString(), this); + + m_bListening = true; + } +} + + +void SAL_CALL OPropertySetAggregationHelper::addVetoableChangeListener(const OUString& _rPropertyName, + const css::uno::Reference< css::beans::XVetoableChangeListener>& _rxListener) +{ + OPropertySetHelper::addVetoableChangeListener(_rPropertyName, _rxListener); + if (!m_bListening) + startListening(); +} + + +void SAL_CALL OPropertySetAggregationHelper::addPropertyChangeListener(const OUString& _rPropertyName, + const css::uno::Reference< css::beans::XPropertyChangeListener>& _rxListener) +{ + OPropertySetHelper::addPropertyChangeListener(_rPropertyName, _rxListener); + if (!m_bListening) + startListening(); +} + + +void SAL_CALL OPropertySetAggregationHelper::addPropertiesChangeListener(const css::uno::Sequence< OUString >& _rPropertyNames, + const css::uno::Reference< css::beans::XPropertiesChangeListener>& _rxListener) +{ + OPropertySetHelper::addPropertiesChangeListener(_rPropertyNames, _rxListener); + if (!m_bListening) + startListening(); +} + + +sal_Int32 OPropertySetAggregationHelper::getOriginalHandle(sal_Int32 nHandle) const +{ + OPropertyArrayAggregationHelper& rPH = static_cast<OPropertyArrayAggregationHelper&>( const_cast<OPropertySetAggregationHelper*>(this)->getInfoHelper() ); + sal_Int32 nOriginalHandle = -1; + (void)rPH.fillAggregatePropertyInfoByHandle(nullptr, &nOriginalHandle, nHandle); + return nOriginalHandle; +} + + +OUString OPropertySetAggregationHelper::getPropertyName( sal_Int32 _nHandle ) const +{ + OPropertyArrayAggregationHelper& rPH = static_cast< OPropertyArrayAggregationHelper& >( const_cast<OPropertySetAggregationHelper*>(this)->getInfoHelper() ); + Property aProperty; + OSL_VERIFY( rPH.getPropertyByHandle( _nHandle, aProperty ) ); + return aProperty.Name; +} + + +void SAL_CALL OPropertySetAggregationHelper::setFastPropertyValue(sal_Int32 _nHandle, const css::uno::Any& _rValue) +{ + OPropertyArrayAggregationHelper& rPH = static_cast< OPropertyArrayAggregationHelper& >( getInfoHelper() ); + OUString aPropName; + sal_Int32 nOriginalHandle = -1; + + // does the handle belong to the aggregation ? + if (rPH.fillAggregatePropertyInfoByHandle(&aPropName, &nOriginalHandle, _nHandle)) + if (m_xAggregateFastSet.is()) + m_xAggregateFastSet->setFastPropertyValue(nOriginalHandle, _rValue); + else + m_xAggregateSet->setPropertyValue(aPropName, _rValue); + else + OPropertySetHelper::setFastPropertyValue(_nHandle, _rValue); +} + + +void OPropertySetAggregationHelper::getFastPropertyValue( css::uno::Any& rValue, sal_Int32 nHandle) const +{ + OPropertyArrayAggregationHelper& rPH = static_cast<OPropertyArrayAggregationHelper&>( const_cast<OPropertySetAggregationHelper*>(this)->getInfoHelper() ); + OUString aPropName; + sal_Int32 nOriginalHandle = -1; + + if (rPH.fillAggregatePropertyInfoByHandle(&aPropName, &nOriginalHandle, nHandle)) + { + if (m_xAggregateFastSet.is()) + rValue = m_xAggregateFastSet->getFastPropertyValue(nOriginalHandle); + else + rValue = m_xAggregateSet->getPropertyValue(aPropName); + } + else if ( m_pForwarder->isResponsibleFor( nHandle ) ) + { + // this is a property which has been "overwritten" in our instance (thus + // fillAggregatePropertyInfoByHandle didn't find it) + rValue = m_xAggregateSet->getPropertyValue( getPropertyName( nHandle ) ); + } +} + + +css::uno::Any SAL_CALL OPropertySetAggregationHelper::getFastPropertyValue(sal_Int32 nHandle) +{ + OPropertyArrayAggregationHelper& rPH = static_cast< OPropertyArrayAggregationHelper& >( getInfoHelper() ); + OUString aPropName; + sal_Int32 nOriginalHandle = -1; + css::uno::Any aValue; + + if (rPH.fillAggregatePropertyInfoByHandle(&aPropName, &nOriginalHandle, nHandle)) + { + if (m_xAggregateFastSet.is()) + aValue = m_xAggregateFastSet->getFastPropertyValue(nOriginalHandle); + else + aValue = m_xAggregateSet->getPropertyValue(aPropName); + } + else + aValue = OPropertySetHelper::getFastPropertyValue(nHandle); + + return aValue; +} + + +void SAL_CALL OPropertySetAggregationHelper::setPropertyValues( + const Sequence< OUString >& _rPropertyNames, const Sequence< Any >& _rValues ) +{ + OSL_ENSURE( !rBHelper.bInDispose, "OPropertySetAggregationHelper::setPropertyValues : do not use within the dispose call !"); + OSL_ENSURE( !rBHelper.bDisposed, "OPropertySetAggregationHelper::setPropertyValues : object is disposed" ); + + // check where the properties come from + if (!m_xAggregateSet.is()) + OPropertySetHelper::setPropertyValues(_rPropertyNames, _rValues); + else if (_rPropertyNames.getLength() == 1) // use the more efficient way + { + if (_rValues.getLength() != 1) + throw IllegalArgumentException("lengths do not match", static_cast<XPropertySet*>(this), + -1); + try + { + setPropertyValue( _rPropertyNames[0], _rValues[0] ); + } + catch( const UnknownPropertyException& ) + { + // by definition of XMultiPropertySet::setPropertyValues, unknown properties are to be ignored + SAL_WARN( "comphelper", "OPropertySetAggregationHelper::setPropertyValues: unknown property: '" + << _rPropertyNames[0] << "', implementation: " << typeid( *this ).name() ); + } + } + else + { + OPropertyArrayAggregationHelper& rPH = static_cast< OPropertyArrayAggregationHelper& >( getInfoHelper() ); + + // determine which properties belong to the aggregate, and which ones to the delegator + sal_Int32 nAggCount(0); + sal_Int32 nLen(_rPropertyNames.getLength()); + + for ( const OUString& rName : _rPropertyNames ) + { + OPropertyArrayAggregationHelper::PropertyOrigin ePropOrg = rPH.classifyProperty( rName ); + if ( OPropertyArrayAggregationHelper::PropertyOrigin::Unknown == ePropOrg ) + throw WrappedTargetException( OUString(), static_cast< XMultiPropertySet* >( this ), Any( UnknownPropertyException( ) ) ); + // due to a flaw in the API design, this method is not allowed to throw an UnknownPropertyException + // so we wrap it into a WrappedTargetException + + if ( OPropertyArrayAggregationHelper::PropertyOrigin::Aggregate == ePropOrg ) + ++nAggCount; + } + + // all properties belong to the aggregate + if (nAggCount == nLen) + m_xAggregateMultiSet->setPropertyValues(_rPropertyNames, _rValues); + + // all properties belong to the aggregating object + else if (nAggCount == 0) + OPropertySetHelper::setPropertyValues(_rPropertyNames, _rValues); + + // mixed + else + { + if (_rValues.getLength() != nLen) + throw IllegalArgumentException("lengths do not match", + static_cast<XPropertySet*>(this), -1); + const css::uno::Any* pValues = _rValues.getConstArray(); + + // dividing the Names and _rValues + + // aggregate's names + Sequence< OUString > AggPropertyNames( nAggCount ); + OUString* pAggNames = AggPropertyNames.getArray(); + // aggregate's values + Sequence< Any > AggValues( nAggCount ); + Any* pAggValues = AggValues.getArray(); + + // delegator names + Sequence< OUString > DelPropertyNames( nLen - nAggCount ); + OUString* pDelNames = DelPropertyNames.getArray(); + + // delegator values + Sequence< Any > DelValues( nLen - nAggCount ); + Any* pDelValues = DelValues.getArray(); + + for ( const OUString& rName : _rPropertyNames ) + { + if ( OPropertyArrayAggregationHelper::PropertyOrigin::Aggregate == rPH.classifyProperty( rName ) ) + { + *pAggNames++ = rName; + *pAggValues++ = *pValues++; + } + else + { + *pDelNames++ = rName; + *pDelValues++ = *pValues++; + } + } + + // reset, needed below + pDelValues = DelValues.getArray(); + + std::unique_ptr<sal_Int32[]> pHandles(new sal_Int32[ nLen - nAggCount ]); + + // get the map table + cppu::IPropertyArrayHelper& rPH2 = getInfoHelper(); + + // fill the handle array + sal_Int32 nHitCount = rPH2.fillHandles( pHandles.get(), DelPropertyNames ); + if (nHitCount != 0) + { + std::unique_ptr< css::uno::Any[]> pConvertedValues(new css::uno::Any[ nHitCount ]); + std::unique_ptr< css::uno::Any[]> pOldValues(new css::uno::Any[ nHitCount ]); + nHitCount = 0; + sal_Int32 i; + + { + // must lock the mutex outside the loop. So all values are consistent. + osl::MutexGuard aGuard( rBHelper.rMutex ); + for( i = 0; i < (nLen - nAggCount); ++i ) + { + if( pHandles[i] != -1 ) + { + sal_Int16 nAttributes; + rPH2.fillPropertyMembersByHandle( nullptr, &nAttributes, pHandles[i] ); + if( nAttributes & css::beans::PropertyAttribute::READONLY ) + throw css::beans::PropertyVetoException(); + // Will the property change? + if( convertFastPropertyValue( pConvertedValues[ nHitCount ], pOldValues[nHitCount], + pHandles[i], pDelValues[i] ) ) + { + // only increment if the property really change + pHandles[nHitCount] = pHandles[i]; + nHitCount++; + } + } + } + // release guard to fire events + } + + // fire vetoable events + fire( pHandles.get(), pConvertedValues.get(), pOldValues.get(), nHitCount, true ); + + // setting the agg Properties + m_xAggregateMultiSet->setPropertyValues(AggPropertyNames, AggValues); + + { + // must lock the mutex outside the loop. + osl::MutexGuard aGuard( rBHelper.rMutex ); + // Loop over all changed properties + for( i = 0; i < nHitCount; i++ ) + { + // Will the property change? + setFastPropertyValue_NoBroadcast( pHandles[i], pConvertedValues[i] ); + } + // release guard to fire events + } + + // fire change events + fire( pHandles.get(), pConvertedValues.get(), pOldValues.get(), nHitCount, false ); + } + else + m_xAggregateMultiSet->setPropertyValues(AggPropertyNames, AggValues); + } + } +} + +// XPropertyState + +css::beans::PropertyState SAL_CALL OPropertySetAggregationHelper::getPropertyState(const OUString& _rPropertyName) +{ + OPropertyArrayAggregationHelper& rPH = static_cast< OPropertyArrayAggregationHelper& >( getInfoHelper() ); + sal_Int32 nHandle = rPH.getHandleByName( _rPropertyName ); + + if (nHandle == -1) + { + throw css::beans::UnknownPropertyException(_rPropertyName); + } + + OUString aPropName; + sal_Int32 nOriginalHandle = -1; + if (rPH.fillAggregatePropertyInfoByHandle(&aPropName, &nOriginalHandle, nHandle)) + { + if (m_xAggregateState.is()) + return m_xAggregateState->getPropertyState(_rPropertyName); + else + return css::beans::PropertyState_DIRECT_VALUE; + } + else + return getPropertyStateByHandle(nHandle); +} + + +void SAL_CALL OPropertySetAggregationHelper::setPropertyToDefault(const OUString& _rPropertyName) +{ + OPropertyArrayAggregationHelper& rPH = static_cast< OPropertyArrayAggregationHelper& >( getInfoHelper() ); + sal_Int32 nHandle = rPH.getHandleByName(_rPropertyName); + if (nHandle == -1) + { + throw css::beans::UnknownPropertyException(_rPropertyName); + } + + OUString aPropName; + sal_Int32 nOriginalHandle = -1; + if (rPH.fillAggregatePropertyInfoByHandle(&aPropName, &nOriginalHandle, nHandle)) + { + if (m_xAggregateState.is()) + m_xAggregateState->setPropertyToDefault(_rPropertyName); + } + else + { + try + { + setPropertyToDefaultByHandle( nHandle ); + } + catch( const UnknownPropertyException& ) { throw; } + catch( const RuntimeException& ) { throw; } + catch( const Exception& ) + { + OSL_FAIL( "OPropertySetAggregationHelper::setPropertyToDefault: caught an exception which is not allowed to leave here!" ); + } + } +} + + +css::uno::Any SAL_CALL OPropertySetAggregationHelper::getPropertyDefault(const OUString& aPropertyName) +{ + OPropertyArrayAggregationHelper& rPH = static_cast< OPropertyArrayAggregationHelper& >( getInfoHelper() ); + sal_Int32 nHandle = rPH.getHandleByName( aPropertyName ); + + if ( nHandle == -1 ) + throw css::beans::UnknownPropertyException(aPropertyName); + + OUString aPropName; + sal_Int32 nOriginalHandle = -1; + if (rPH.fillAggregatePropertyInfoByHandle(&aPropName, &nOriginalHandle, nHandle)) + { + if (m_xAggregateState.is()) + return m_xAggregateState->getPropertyDefault(aPropertyName); + else + return css::uno::Any(); + } + else + return getPropertyDefaultByHandle(nHandle); +} + +sal_Bool SAL_CALL OPropertySetAggregationHelper::convertFastPropertyValue( Any& _rConvertedValue, Any& _rOldValue, sal_Int32 _nHandle, const Any& _rValue ) +{ + bool bModified = false; + + OSL_ENSURE( m_pForwarder->isResponsibleFor( _nHandle ), "OPropertySetAggregationHelper::convertFastPropertyValue: this is no forwarded property - did you use declareForwardedProperty for it?" ); + if ( m_pForwarder->isResponsibleFor( _nHandle ) ) + { + // need to determine the type of the property for conversion + OPropertyArrayAggregationHelper& rPH = static_cast< OPropertyArrayAggregationHelper& >( getInfoHelper() ); + Property aProperty; + OSL_VERIFY( rPH.getPropertyByHandle( _nHandle, aProperty ) ); + + Any aCurrentValue; + getFastPropertyValue( aCurrentValue, _nHandle ); + bModified = tryPropertyValue( _rConvertedValue, _rOldValue, _rValue, aCurrentValue, aProperty.Type ); + } + + return bModified; +} + +void SAL_CALL OPropertySetAggregationHelper::setFastPropertyValue_NoBroadcast( sal_Int32 _nHandle, const Any& _rValue ) +{ + OSL_ENSURE( m_pForwarder->isResponsibleFor( _nHandle ), "OPropertySetAggregationHelper::setFastPropertyValue_NoBroadcast: this is no forwarded property - did you use declareForwardedProperty for it?" ); + if ( m_pForwarder->isResponsibleFor( _nHandle ) ) + m_pForwarder->doForward( _nHandle, _rValue ); +} + + +void OPropertySetAggregationHelper::declareForwardedProperty( sal_Int32 _nHandle ) +{ + OSL_ENSURE( !m_pForwarder->isResponsibleFor( _nHandle ), "OPropertySetAggregationHelper::declareForwardedProperty: already declared!" ); + m_pForwarder->takeResponsibilityFor( _nHandle ); +} + + +void OPropertySetAggregationHelper::forwardingPropertyValue( sal_Int32 ) +{ + // not interested in +} + + +void OPropertySetAggregationHelper::forwardedPropertyValue( sal_Int32 ) +{ + // not interested in +} + + +bool OPropertySetAggregationHelper::isCurrentlyForwardingProperty( sal_Int32 _nHandle ) const +{ + return m_pForwarder->getCurrentlyForwardedProperty() == _nHandle; +} + + +} // namespace comphelper + + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |