366d08f2f6
Change-Id: Iff68e8f379614a6ab6a6e0d1bad18e70bc76d76a Reviewed-on: https://gerrit.libreoffice.org/c/core/+/91907 Tested-by: Jenkins Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>
158 lines
5.6 KiB
C++
158 lines
5.6 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#include "propertysetbase.hxx"
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#include <com/sun/star/beans/XMultiPropertySet.hpp>
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#include <com/sun/star/uno/Reference.hxx>
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using com::sun::star::uno::Any;
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using com::sun::star::uno::Reference;
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using com::sun::star::uno::Exception;
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using com::sun::star::lang::IllegalArgumentException;
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using com::sun::star::beans::Property;
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using com::sun::star::beans::XPropertySetInfo;
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PropertyAccessorBase::~PropertyAccessorBase()
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{
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}
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PropertySetBase::PropertySetBase( )
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{
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}
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PropertySetBase::~PropertySetBase( )
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{
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}
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cppu::IPropertyArrayHelper& SAL_CALL PropertySetBase::getInfoHelper()
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{
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if ( !m_pProperties )
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{
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OSL_ENSURE( !m_aProperties.empty(), "PropertySetBase::getInfoHelper: no registered properties!" );
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m_pProperties.reset(new cppu::OPropertyArrayHelper( m_aProperties.data(), m_aProperties.size(), false ));
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}
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return *m_pProperties;
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}
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Reference< XPropertySetInfo > SAL_CALL PropertySetBase::getPropertySetInfo( )
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{
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return cppu::OPropertySetHelper::createPropertySetInfo( getInfoHelper() );
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}
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void PropertySetBase::registerProperty( const Property& rProperty,
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const ::rtl::Reference< PropertyAccessorBase >& rAccessor )
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{
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OSL_ENSURE(rAccessor,
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"PropertySetBase::registerProperty: invalid property accessor, this will crash!");
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m_aAccessors.emplace( rProperty.Handle, rAccessor );
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OSL_ENSURE( rAccessor->isWriteable()
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== ( ( rProperty.Attributes & css::beans::PropertyAttribute::READONLY ) == 0 ),
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"PropertySetBase::registerProperty: inconsistence!" );
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m_aProperties.push_back( rProperty );
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}
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void PropertySetBase::notifyAndCachePropertyValue( sal_Int32 nHandle )
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{
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::osl::ClearableMutexGuard aGuard( GetMutex() );
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PropertyValueCache::iterator aPos = m_aCache.find( nHandle );
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if ( aPos == m_aCache.end() )
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{ // method has never before been invoked for this property
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try
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{
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// determine the type of this property
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::cppu::IPropertyArrayHelper& rPropertyMetaData = getInfoHelper();
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OUString sPropName;
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OSL_VERIFY( rPropertyMetaData.fillPropertyMembersByHandle( &sPropName, nullptr, nHandle ) );
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Property aProperty = rPropertyMetaData.getPropertyByName( sPropName );
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// default construct a value of this type
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Any aEmptyValue( nullptr, aProperty.Type );
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// insert into the cache
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aPos = m_aCache.emplace( nHandle, aEmptyValue ).first;
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}
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catch( const Exception& )
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{
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OSL_FAIL( "PropertySetBase::notifyAndCachePropertyValue: this is not expected to fail!" );
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}
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}
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Any aOldValue = aPos->second;
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// determine the current value
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Any aNewValue;
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getFastPropertyValue( aNewValue, nHandle );
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// remember the old value
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aPos->second = aNewValue;
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aGuard.clear();
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if ( aNewValue != aOldValue )
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firePropertyChange( nHandle, aNewValue, aOldValue );
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}
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void PropertySetBase::initializePropertyValueCache( sal_Int32 nHandle )
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{
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Any aCurrentValue;
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getFastPropertyValue( aCurrentValue, nHandle );
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::std::pair< PropertyValueCache::iterator, bool > aInsertResult =
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m_aCache.emplace( nHandle, aCurrentValue );
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OSL_ENSURE( aInsertResult.second, "PropertySetBase::initializePropertyValueCache: already cached a value for this property!" );
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}
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PropertyAccessorBase& PropertySetBase::locatePropertyHandler( sal_Int32 nHandle ) const
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{
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PropertyAccessors::const_iterator aPropertyPos = m_aAccessors.find( nHandle );
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OSL_ENSURE( aPropertyPos != m_aAccessors.end() && aPropertyPos->second,
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"PropertySetBase::locatePropertyHandler: accessor map is corrupted!" );
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// neither should this be called for handles where there is no accessor, nor should a
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// NULL accessor be in the map
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return *aPropertyPos->second;
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}
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sal_Bool SAL_CALL PropertySetBase::convertFastPropertyValue( Any& rConvertedValue, Any& rOldValue, sal_Int32 nHandle,
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const Any& rValue )
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{
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PropertyAccessorBase& rAccessor = locatePropertyHandler( nHandle );
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if ( !rAccessor.approveValue( rValue ) )
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throw IllegalArgumentException( OUString(), *this, 0 );
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rAccessor.getValue( rOldValue );
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if ( rOldValue != rValue )
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{
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rConvertedValue = rValue; // no conversion at all
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return true;
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}
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return false;
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}
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void SAL_CALL PropertySetBase::setFastPropertyValue_NoBroadcast( sal_Int32 nHandle, const Any& rValue )
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{
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PropertyAccessorBase& rAccessor = locatePropertyHandler( nHandle );
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rAccessor.setValue( rValue );
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}
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void SAL_CALL PropertySetBase::getFastPropertyValue( Any& rValue, sal_Int32 nHandle ) const
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{
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PropertyAccessorBase& rAccessor = locatePropertyHandler( nHandle );
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rAccessor.getValue( rValue );
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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