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/* -*- 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 "propertysetbase.hxx"
#include <com/sun/star/beans/XMultiPropertySet.hpp>
#include <com/sun/star/uno/Reference.hxx>
using com::sun::star::uno::Any;
using com::sun::star::uno::Reference;
using com::sun::star::uno::Exception;
using com::sun::star::lang::IllegalArgumentException;
using com::sun::star::beans::Property;
using com::sun::star::beans::XPropertySetInfo;
PropertyAccessorBase::~PropertyAccessorBase()
{
}
PropertySetBase::PropertySetBase( )
{
}
PropertySetBase::~PropertySetBase( )
{
}
cppu::IPropertyArrayHelper& SAL_CALL PropertySetBase::getInfoHelper()
{
if ( !m_pProperties )
{
OSL_ENSURE( !m_aProperties.empty(), "PropertySetBase::getInfoHelper: no registered properties!" );
m_pProperties.reset(new cppu::OPropertyArrayHelper( m_aProperties.data(), m_aProperties.size(), false ));
}
return *m_pProperties;
}
Reference< XPropertySetInfo > SAL_CALL PropertySetBase::getPropertySetInfo( )
{
return cppu::OPropertySetHelper::createPropertySetInfo( getInfoHelper() );
}
void PropertySetBase::registerProperty( const Property& rProperty,
const ::rtl::Reference< PropertyAccessorBase >& rAccessor )
{
OSL_ENSURE(rAccessor,
"PropertySetBase::registerProperty: invalid property accessor, this will crash!");
m_aAccessors.emplace( rProperty.Handle, rAccessor );
OSL_ENSURE( rAccessor->isWriteable()
== ( ( rProperty.Attributes & css::beans::PropertyAttribute::READONLY ) == 0 ),
"PropertySetBase::registerProperty: inconsistence!" );
m_aProperties.push_back( rProperty );
}
void PropertySetBase::notifyAndCachePropertyValue( sal_Int32 nHandle )
{
::osl::ClearableMutexGuard aGuard( GetMutex() );
PropertyValueCache::iterator aPos = m_aCache.find( nHandle );
if ( aPos == m_aCache.end() )
{ // method has never before been invoked for this property
try
{
// determine the type of this property
::cppu::IPropertyArrayHelper& rPropertyMetaData = getInfoHelper();
OUString sPropName;
OSL_VERIFY( rPropertyMetaData.fillPropertyMembersByHandle( &sPropName, nullptr, nHandle ) );
Property aProperty = rPropertyMetaData.getPropertyByName( sPropName );
// default construct a value of this type
Any aEmptyValue( nullptr, aProperty.Type );
// insert into the cache
aPos = m_aCache.emplace( nHandle, aEmptyValue ).first;
}
catch( const Exception& )
{
OSL_FAIL( "PropertySetBase::notifyAndCachePropertyValue: this is not expected to fail!" );
}
}
Any aOldValue = aPos->second;
// determine the current value
Any aNewValue;
getFastPropertyValue( aNewValue, nHandle );
// remember the old value
aPos->second = aNewValue;
aGuard.clear();
if ( aNewValue != aOldValue )
firePropertyChange( nHandle, aNewValue, aOldValue );
}
void PropertySetBase::initializePropertyValueCache( sal_Int32 nHandle )
{
Any aCurrentValue;
getFastPropertyValue( aCurrentValue, nHandle );
::std::pair< PropertyValueCache::iterator, bool > aInsertResult =
m_aCache.emplace( nHandle, aCurrentValue );
OSL_ENSURE( aInsertResult.second, "PropertySetBase::initializePropertyValueCache: already cached a value for this property!" );
}
PropertyAccessorBase& PropertySetBase::locatePropertyHandler( sal_Int32 nHandle ) const
{
PropertyAccessors::const_iterator aPropertyPos = m_aAccessors.find( nHandle );
assert( aPropertyPos != m_aAccessors.end() && aPropertyPos->second &&
"PropertySetBase::locatePropertyHandler: accessor map is corrupted!" );
// neither should this be called for handles where there is no accessor, nor should a
// NULL accessor be in the map
return *aPropertyPos->second;
}
sal_Bool SAL_CALL PropertySetBase::convertFastPropertyValue( Any& rConvertedValue, Any& rOldValue, sal_Int32 nHandle,
const Any& rValue )
{
PropertyAccessorBase& rAccessor = locatePropertyHandler( nHandle );
if ( !rAccessor.approveValue( rValue ) )
throw IllegalArgumentException( OUString(), *this, 0 );
rAccessor.getValue( rOldValue );
if ( rOldValue != rValue )
{
rConvertedValue = rValue; // no conversion at all
return true;
}
return false;
}
void SAL_CALL PropertySetBase::setFastPropertyValue_NoBroadcast( sal_Int32 nHandle, const Any& rValue )
{
PropertyAccessorBase& rAccessor = locatePropertyHandler( nHandle );
rAccessor.setValue( rValue );
}
void SAL_CALL PropertySetBase::getFastPropertyValue( Any& rValue, sal_Int32 nHandle ) const
{
PropertyAccessorBase& rAccessor = locatePropertyHandler( nHandle );
rAccessor.getValue( rValue );
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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