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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 16:51:28 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 16:51:28 +0000 |
commit | 940b4d1848e8c70ab7642901a68594e8016caffc (patch) | |
tree | eb72f344ee6c3d9b80a7ecc079ea79e9fba8676d /forms/source/component/propertybaghelper.cxx | |
parent | Initial commit. (diff) | |
download | libreoffice-940b4d1848e8c70ab7642901a68594e8016caffc.tar.xz libreoffice-940b4d1848e8c70ab7642901a68594e8016caffc.zip |
Adding upstream version 1:7.0.4.upstream/1%7.0.4upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'forms/source/component/propertybaghelper.cxx')
-rw-r--r-- | forms/source/component/propertybaghelper.cxx | 338 |
1 files changed, 338 insertions, 0 deletions
diff --git a/forms/source/component/propertybaghelper.cxx b/forms/source/component/propertybaghelper.cxx new file mode 100644 index 000000000..134cfe6e2 --- /dev/null +++ b/forms/source/component/propertybaghelper.cxx @@ -0,0 +1,338 @@ +/* -*- 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 <propertybaghelper.hxx> + +#include <property.hxx> + +#include <com/sun/star/lang/DisposedException.hpp> +#include <com/sun/star/beans/PropertyExistException.hpp> +#include <com/sun/star/beans/XMultiPropertySet.hpp> +#include <com/sun/star/beans/NotRemoveableException.hpp> +#include <com/sun/star/beans/UnknownPropertyException.hpp> + +#include <tools/diagnose_ex.h> + +#include <comphelper/sequence.hxx> + + +#define NEW_HANDLE_BASE 10000 + + +namespace frm +{ + + + using ::com::sun::star::lang::DisposedException; + using ::com::sun::star::uno::Sequence; + using ::com::sun::star::beans::Property; + using ::com::sun::star::uno::Any; + using ::com::sun::star::beans::PropertyExistException; + using ::com::sun::star::beans::PropertyValue; + using ::com::sun::star::uno::Reference; + using ::com::sun::star::uno::UNO_QUERY_THROW; + using ::com::sun::star::beans::XMultiPropertySet; + using ::com::sun::star::beans::XPropertySetInfo; + using ::com::sun::star::uno::RuntimeException; + using ::com::sun::star::uno::Exception; + using ::com::sun::star::beans::NotRemoveableException; + using ::com::sun::star::beans::UnknownPropertyException; + + namespace PropertyAttribute = ::com::sun::star::beans::PropertyAttribute; + + + //= helper + + namespace + { + + ::comphelper::IPropertyInfoService& lcl_getPropertyInfos() + { + static ConcreteInfoService s_aPropInfos; + return s_aPropInfos; + } + } + + PropertyBagHelper::PropertyBagHelper( IPropertyBagHelperContext& _rContext ) + :m_rContext( _rContext ) + ,m_bDisposed( false ) + { + } + + + PropertyBagHelper::~PropertyBagHelper() + { + } + + + void PropertyBagHelper::dispose() + { + m_bDisposed = true; + } + + + void PropertyBagHelper::impl_nts_checkDisposed_throw() const + { + if ( m_bDisposed ) + throw DisposedException(); + } + + + void PropertyBagHelper::impl_nts_invalidatePropertySetInfo() + { + m_pPropertyArrayHelper.reset(); + } + + + sal_Int32 PropertyBagHelper::impl_findFreeHandle( const OUString& _rPropertyName ) + { + ::comphelper::OPropertyArrayAggregationHelper& rPropInfo( impl_ts_getArrayHelper() ); + + // check the preferred handle + sal_Int32 nHandle = lcl_getPropertyInfos().getPreferredPropertyId( _rPropertyName ); + if ( ( nHandle != -1 ) && rPropInfo.fillPropertyMembersByHandle( nullptr, nullptr, nHandle ) ) + nHandle = -1; + + // search a free handle in <math>F_1009</math> + if ( nHandle == -1 ) + { + sal_Int32 const nPrime = 1009; + sal_Int32 nFactor = 11; + sal_Int32 nNum = nFactor; + while ( nNum != 1 ) + { + if ( !rPropInfo.fillPropertyMembersByHandle( nullptr, nullptr, nNum + NEW_HANDLE_BASE ) ) + { + // handle not used, yet + nHandle = nNum + NEW_HANDLE_BASE; + break; + } + nNum = ( nNum * nFactor ) % nPrime; + } + } + + // search a free handle greater NEW_HANDLE_BASE + if ( nHandle == -1 ) + { + nHandle = NEW_HANDLE_BASE + 1009; + while ( rPropInfo.fillPropertyMembersByHandle( nullptr, nullptr, nHandle ) ) + ++nHandle; + } + + return nHandle; + } + + + ::comphelper::OPropertyArrayAggregationHelper& PropertyBagHelper::impl_ts_getArrayHelper() const + { + OPropertyArrayAggregationHelper* p = m_pPropertyArrayHelper.get(); + if ( !p ) + { + ::osl::MutexGuard aGuard( m_rContext.getMutex() ); + p = m_pPropertyArrayHelper.get(); + if ( !p ) + { + // our own fixed and our aggregate's properties + Sequence< Property > aFixedProps; + Sequence< Property > aAggregateProps; + m_rContext.describeFixedAndAggregateProperties( aFixedProps, aAggregateProps ); + + // our dynamic properties + Sequence< Property > aDynamicProps; + m_aDynamicProperties.describeProperties( aDynamicProps ); + + Sequence< Property > aOwnProps( + ::comphelper::concatSequences( aFixedProps, aDynamicProps ) ); + + p = new OPropertyArrayAggregationHelper( aOwnProps, aAggregateProps, &lcl_getPropertyInfos(), NEW_HANDLE_BASE ); + OSL_DOUBLE_CHECKED_LOCKING_MEMORY_BARRIER(); + const_cast< PropertyBagHelper* >( this )->m_pPropertyArrayHelper.reset( p ); + } + } // if ( !p ) + else + { + OSL_DOUBLE_CHECKED_LOCKING_MEMORY_BARRIER(); + } + return *p; + } + + + void PropertyBagHelper::addProperty( const OUString& _rName, ::sal_Int16 _nAttributes, const Any& _rInitialValue ) + { + ::osl::MutexGuard aGuard( m_rContext.getMutex() ); + impl_nts_checkDisposed_throw(); + + + // check name sanity + ::comphelper::OPropertyArrayAggregationHelper& aPropInfo( impl_ts_getArrayHelper() ); + if ( aPropInfo.hasPropertyByName( _rName ) ) + throw PropertyExistException( _rName, m_rContext.getPropertiesInterface() ); + + + // normalize the REMOVABLE attribute - the FormComponent service + // requires that all dynamic properties are REMOVABLE + _nAttributes |= PropertyAttribute::REMOVABLE; + + + // find a free handle + sal_Int32 nHandle = impl_findFreeHandle( _rName ); + + + // register the property, and invalidate our property meta data + m_aDynamicProperties.addProperty( _rName, nHandle, _nAttributes, _rInitialValue ); + impl_nts_invalidatePropertySetInfo(); + } + + + void PropertyBagHelper::removeProperty( const OUString& _rName ) + { + ::osl::MutexGuard aGuard( m_rContext.getMutex() ); + impl_nts_checkDisposed_throw(); + + // check whether it's removable at all + Reference< XMultiPropertySet > xMe( m_rContext.getPropertiesInterface(), css::uno::UNO_SET_THROW ); + Reference< XPropertySetInfo > xPSI( xMe->getPropertySetInfo(), css::uno::UNO_SET_THROW ); + Property aProperty( xPSI->getPropertyByName( _rName ) ); + if ( ( aProperty.Attributes & PropertyAttribute::REMOVABLE ) == 0 ) + throw NotRemoveableException( _rName, xMe ); + + m_aDynamicProperties.removeProperty( _rName ); + impl_nts_invalidatePropertySetInfo(); + } + + + namespace + { + + struct SelectNameOfProperty + { + const OUString& operator()( const Property& _rProp ) const { return _rProp.Name; } + }; + + + struct SelectNameOfPropertyValue + { + const OUString& operator()( const PropertyValue& _rProp ) const { return _rProp.Name; } + }; + + + struct SelectValueOfPropertyValue + { + const Any& operator()( const PropertyValue& _rProp ) const { return _rProp.Value; } + }; + + + struct PropertyValueLessByName + { + bool operator()( const PropertyValue& _lhs, const PropertyValue& _rhs ) const + { + return _lhs.Name < _rhs.Name; + } + }; + } + + + Sequence< PropertyValue > PropertyBagHelper::getPropertyValues() + { + ::osl::MutexGuard aGuard( m_rContext.getMutex() ); + impl_nts_checkDisposed_throw(); + + Reference< XMultiPropertySet > xMe( m_rContext.getPropertiesInterface(), css::uno::UNO_SET_THROW ); + Reference< XPropertySetInfo > xPSI( xMe->getPropertySetInfo(), css::uno::UNO_SET_THROW ); + + Sequence< Property > aProperties( xPSI->getProperties() ); + Sequence< OUString > aPropertyNames( aProperties.getLength() ); + ::std::transform( aProperties.begin(), aProperties.end(), + aPropertyNames.getArray(), SelectNameOfProperty() ); + + Sequence< Any > aValues; + try + { + aValues = xMe->getPropertyValues( aPropertyNames ); + + if ( aValues.getLength() != aPropertyNames.getLength() ) + throw RuntimeException(); + } + catch( const RuntimeException& ) { throw; } + catch( const Exception& ) + { + DBG_UNHANDLED_EXCEPTION("forms.component"); + } + Sequence< PropertyValue > aPropertyValues( aValues.getLength() ); + PropertyValue* pPropertyValue = aPropertyValues.getArray(); + + const OUString* pName = aPropertyNames.getConstArray(); + const OUString* pNameEnd = aPropertyNames.getConstArray() + aPropertyNames.getLength(); + const Any* pValue = aValues.getConstArray(); + for ( ; pName != pNameEnd; ++pName, ++pValue, ++pPropertyValue ) + { + pPropertyValue->Name = *pName; + pPropertyValue->Value = *pValue; + } + + return aPropertyValues; + } + + + void PropertyBagHelper::setPropertyValues( const Sequence< PropertyValue >& _rProps ) + { + ::osl::ClearableMutexGuard aGuard( m_rContext.getMutex() ); + impl_nts_checkDisposed_throw(); + + sal_Int32 nPropertyValues = _rProps.getLength(); + + // XMultiPropertySet::setPropertyValues expects its arguments to be sorted by name + // while XPropertyAccess::setPropertyValues doesn't. So first of all, sort. + Sequence< PropertyValue > aSortedProps( _rProps ); + ::std::sort( aSortedProps.getArray(), aSortedProps.getArray() + nPropertyValues, PropertyValueLessByName() ); + + // also, XPropertyAccess::setPropertyValues is expected to throw an UnknownPropertyException + // for unsupported properties, while XMultiPropertySet::setPropertyValues is expected to ignore + // those. So, check for unsupported properties first. + ::comphelper::OPropertyArrayAggregationHelper& rArrayHelper( impl_ts_getArrayHelper() ); + for ( const PropertyValue* pProperties = aSortedProps.getConstArray(); + pProperties != aSortedProps.getConstArray() + nPropertyValues; + ++pProperties + ) + { + if ( !rArrayHelper.hasPropertyByName( pProperties->Name ) ) + throw UnknownPropertyException( pProperties->Name, m_rContext.getPropertiesInterface() ); + } + + // Now finally split into a Name and a Value sequence, and forward to + // XMultiPropertySet::setPropertyValues + Sequence< OUString > aNames( nPropertyValues ); + ::std::transform( aSortedProps.getConstArray(), aSortedProps.getConstArray() + nPropertyValues, + aNames.getArray(), SelectNameOfPropertyValue() ); + + Sequence< Any > aValues( nPropertyValues ); + ::std::transform( aSortedProps.getConstArray(), aSortedProps.getConstArray() + nPropertyValues, + aValues.getArray(), SelectValueOfPropertyValue() ); + + Reference< XMultiPropertySet > xMe( m_rContext.getPropertiesInterface(), css::uno::UNO_SET_THROW ); + + aGuard.clear(); + xMe->setPropertyValues( aNames, aValues ); + } + + +} // namespace frm + + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |