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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 <comphelper/propertystatecontainer.hxx>
#include <rtl/ustrbuf.hxx>
namespace comphelper
{
using namespace ::com::sun::star::uno;
using namespace ::com::sun::star::beans;
using namespace ::com::sun::star::lang;
namespace
{
OUString lcl_getUnknownPropertyErrorMessage( const OUString& _rPropertyName )
{
// TODO: perhaps it's time to think about resources in the comphelper module?
// Would be nice to have localized exception strings (a simply resource file containing
// strings only would suffice, and could be realized with an UNO service, so we do not
// need the dependency to the Tools project)
OUStringBuffer sMessage;
sMessage.append( "The property \"" );
sMessage.append( _rPropertyName );
sMessage.append( "\" is unknown." );
return sMessage.makeStringAndClear();
}
}
OPropertyStateContainer::OPropertyStateContainer( ::cppu::OBroadcastHelper& _rBHelper )
:OPropertyContainer( _rBHelper )
{
}
Any SAL_CALL OPropertyStateContainer::queryInterface( const Type& _rType )
{
Any aReturn = OPropertyContainer::queryInterface( _rType );
if ( !aReturn.hasValue() )
aReturn = OPropertyStateContainer_TBase::queryInterface( _rType );
return aReturn;
}
IMPLEMENT_FORWARD_XTYPEPROVIDER2( OPropertyStateContainer, OPropertyContainer, OPropertyStateContainer_TBase )
sal_Int32 OPropertyStateContainer::getHandleForName( const OUString& _rPropertyName )
{
// look up the handle for the name
::cppu::IPropertyArrayHelper& rPH = getInfoHelper();
sal_Int32 nHandle = rPH.getHandleByName( _rPropertyName );
if ( -1 == nHandle )
throw UnknownPropertyException( lcl_getUnknownPropertyErrorMessage( _rPropertyName ), static_cast< XPropertyState* >( this ) );
return nHandle;
}
PropertyState SAL_CALL OPropertyStateContainer::getPropertyState( const OUString& _rPropertyName )
{
return getPropertyStateByHandle( getHandleForName( _rPropertyName ) );
}
Sequence< PropertyState > SAL_CALL OPropertyStateContainer::getPropertyStates( const Sequence< OUString >& _rPropertyNames )
{
sal_Int32 nProperties = _rPropertyNames.getLength();
Sequence< PropertyState> aStates( nProperties );
if ( !nProperties )
return aStates;
#ifdef DBG_UTIL
// precondition: property sequence is sorted (the algorithm below relies on this)
{
const OUString* pNames = _rPropertyNames.getConstArray();
const OUString* pNamesCompare = pNames + 1;
const OUString* pNamesEnd = _rPropertyNames.getConstArray() + _rPropertyNames.getLength();
for ( ; pNamesCompare != pNamesEnd; ++pNames, ++pNamesCompare )
OSL_PRECOND( pNames->compareTo( *pNamesCompare ) < 0,
"OPropertyStateContainer::getPropertyStates: property sequence not sorted!" );
}
#endif
const OUString* pLookup = _rPropertyNames.getConstArray();
const OUString* pLookupEnd = pLookup + nProperties;
PropertyState* pStates = aStates.getArray();
cppu::IPropertyArrayHelper& rHelper = getInfoHelper();
Sequence< Property> aAllProperties = rHelper.getProperties();
sal_Int32 nAllProperties = aAllProperties.getLength();
const Property* pAllProperties = aAllProperties.getConstArray();
const Property* pAllPropertiesEnd = pAllProperties + nAllProperties;
osl::MutexGuard aGuard( rBHelper.rMutex );
for ( ; ( pAllProperties != pAllPropertiesEnd ) && ( pLookup != pLookupEnd ); ++pAllProperties )
{
#ifdef DBG_UTIL
if ( pAllProperties < pAllPropertiesEnd - 1 )
OSL_ENSURE( pAllProperties->Name.compareTo( (pAllProperties + 1)->Name ) < 0,
"OPropertyStateContainer::getPropertyStates: all-properties not sorted!" );
#endif
if ( pAllProperties->Name == *pLookup )
{
*pStates++ = getPropertyState( *pLookup );
++pLookup;
}
}
if ( pLookup != pLookupEnd )
// we run out of properties from the IPropertyArrayHelper, but still have properties to lookup
// -> we were asked for a nonexistent property
throw UnknownPropertyException( lcl_getUnknownPropertyErrorMessage( *pLookup ), static_cast< XPropertyState* >( this ) );
return aStates;
}
void SAL_CALL OPropertyStateContainer::setPropertyToDefault( const OUString& _rPropertyName )
{
setPropertyToDefaultByHandle( getHandleForName( _rPropertyName ) );
}
Any SAL_CALL OPropertyStateContainer::getPropertyDefault( const OUString& _rPropertyName )
{
Any aDefault;
getPropertyDefaultByHandle( getHandleForName( _rPropertyName ), aDefault );
return aDefault;
}
PropertyState OPropertyStateContainer::getPropertyStateByHandle( sal_Int32 _nHandle ) const
{
// simply compare the current and the default value
Any aCurrentValue; getFastPropertyValue( aCurrentValue, _nHandle );
Any aDefaultValue; getPropertyDefaultByHandle( _nHandle, aDefaultValue );
bool bEqual = uno_type_equalData(
const_cast< void* >( aCurrentValue.getValue() ), aCurrentValue.getValueType().getTypeLibType(),
const_cast< void* >( aDefaultValue.getValue() ), aDefaultValue.getValueType().getTypeLibType(),
reinterpret_cast< uno_QueryInterfaceFunc >(cpp_queryInterface),
reinterpret_cast< uno_ReleaseFunc >(cpp_release)
);
if ( bEqual )
return PropertyState_DEFAULT_VALUE;
else
return PropertyState_DIRECT_VALUE;
}
void OPropertyStateContainer::setPropertyToDefaultByHandle( sal_Int32 _nHandle )
{
Any aDefault;
getPropertyDefaultByHandle( _nHandle, aDefault );
setFastPropertyValue( _nHandle, aDefault );
}
} // namespace comphelper
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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