Line data    Source code

       1             : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
       2             : /*
       3             :  * This file is part of the LibreOffice project.
       4             :  *
       5             :  * This Source Code Form is subject to the terms of the Mozilla Public
       6             :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       7             :  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
       8             :  *
       9             :  * This file incorporates work covered by the following license notice:
      10             :  *
      11             :  *   Licensed to the Apache Software Foundation (ASF) under one or more
      12             :  *   contributor license agreements. See the NOTICE file distributed
      13             :  *   with this work for additional information regarding copyright
      14             :  *   ownership. The ASF licenses this file to you under the Apache
      15             :  *   License, Version 2.0 (the "License"); you may not use this file
      16             :  *   except in compliance with the License. You may obtain a copy of
      17             :  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
      18             :  */
      19             : 
      20             : 
      21             : #include "propertysetbase.hxx"
      22             : 
      23             : #include <cppuhelper/typeprovider.hxx>
      24             : 
      25             : #include <com/sun/star/beans/XPropertySet.hpp>
      26             : #include <com/sun/star/beans/XMultiPropertySet.hpp>
      27             : #include <com/sun/star/beans/XPropertyState.hpp>
      28             : #include <com/sun/star/uno/Reference.hxx>
      29             : #include <tools/solar.h>
      30             : 
      31             : #include <vector>
      32             : 
      33             : using com::sun::star::uno::Any;
      34             : using com::sun::star::uno::Type;
      35             : using com::sun::star::uno::Sequence;
      36             : using com::sun::star::uno::Reference;
      37             : using com::sun::star::uno::Exception;
      38             : using com::sun::star::uno::RuntimeException;
      39             : using com::sun::star::lang::IllegalArgumentException;
      40             : using com::sun::star::beans::Property;
      41             : using com::sun::star::beans::XPropertySetInfo;
      42             : 
      43          10 : PropertyAccessorBase::~PropertyAccessorBase()
      44             : {
      45          10 : }
      46             : 
      47           2 : PropertySetBase::PropertySetBase( )
      48           2 :     :m_pProperties( NULL )
      49             : {
      50           2 : }
      51             : 
      52           4 : PropertySetBase::~PropertySetBase( )
      53             : {
      54           2 :     DELETEZ( m_pProperties );
      55           2 : }
      56             : 
      57           0 : cppu::IPropertyArrayHelper& SAL_CALL PropertySetBase::getInfoHelper()
      58             : {
      59           0 :     if ( !m_pProperties )
      60             :     {
      61             :         OSL_ENSURE( !m_aProperties.empty(), "PropertySetBase::getInfoHelper: no registered properties!" );
      62           0 :         m_pProperties = new cppu::OPropertyArrayHelper( &m_aProperties[0], m_aProperties.size(), sal_False );
      63             :     }
      64           0 :     return *m_pProperties;
      65             : }
      66             : 
      67           0 : Reference< XPropertySetInfo > SAL_CALL PropertySetBase::getPropertySetInfo(  ) throw(RuntimeException, std::exception)
      68             : {
      69           0 :     return cppu::OPropertySetHelper::createPropertySetInfo( getInfoHelper() );
      70             : }
      71             : 
      72          10 : void PropertySetBase::registerProperty( const Property& rProperty,
      73             :     const ::rtl::Reference< PropertyAccessorBase >& rAccessor )
      74             : {
      75             :     OSL_ENSURE( rAccessor.get(), "PropertySetBase::registerProperty: invalid property accessor, this will crash!" );
      76          10 :     m_aAccessors.insert( PropertyAccessors::value_type( rProperty.Handle, rAccessor ) );
      77             : 
      78             :     OSL_ENSURE( ( rAccessor->isWriteable() == true )
      79             :                 == ( ( rProperty.Attributes & com::sun::star::beans::PropertyAttribute::READONLY ) == 0 ),
      80             :         "PropertySetBase::registerProperty: inconsistence!" );
      81             : 
      82          10 :     m_aProperties.push_back( rProperty );
      83          10 : }
      84             : 
      85           0 : void PropertySetBase::notifyAndCachePropertyValue( sal_Int32 nHandle )
      86             : {
      87           0 :     ::osl::ClearableMutexGuard aGuard( GetMutex() );
      88             : 
      89           0 :     PropertyValueCache::iterator aPos = m_aCache.find( nHandle );
      90           0 :     if ( aPos == m_aCache.end() )
      91             :     {   // method has never before been invoked for this property
      92             :         try
      93             :         {
      94             :             // determine the type of this property
      95           0 :             ::cppu::IPropertyArrayHelper& rPropertyMetaData = getInfoHelper();
      96           0 :             OUString sPropName;
      97           0 :             OSL_VERIFY( rPropertyMetaData.fillPropertyMembersByHandle( &sPropName, NULL, nHandle ) );
      98           0 :             Property aProperty = rPropertyMetaData.getPropertyByName( sPropName );
      99             :             // default construct a value of this type
     100           0 :             Any aEmptyValue( NULL, aProperty.Type );
     101             :             // insert into the cache
     102           0 :             aPos = m_aCache.insert( PropertyValueCache::value_type( nHandle, aEmptyValue ) ).first;
     103             :         }
     104           0 :         catch( const Exception& )
     105             :         {
     106             :             OSL_FAIL( "PropertySetBase::notifyAndCachePropertyValue: this is not expected to fail!" );
     107             :         }
     108             :     }
     109           0 :     Any aOldValue = aPos->second;
     110             :     // determine the current value
     111           0 :     Any aNewValue;
     112           0 :     getFastPropertyValue( aNewValue, nHandle );
     113             :     // remember the old value
     114           0 :     aPos->second = aNewValue;
     115             : 
     116           0 :     aGuard.clear();
     117           0 :     if ( aNewValue != aOldValue )
     118           0 :         firePropertyChange( nHandle, aNewValue, aOldValue );
     119           0 : }
     120             : 
     121           0 : void PropertySetBase::initializePropertyValueCache( sal_Int32 nHandle )
     122             : {
     123           0 :     Any aCurrentValue;
     124           0 :     getFastPropertyValue( aCurrentValue, nHandle );
     125             : 
     126             : #if OSL_DEBUG_LEVEL > 0
     127             :     ::std::pair< PropertyValueCache::iterator, bool > aInsertResult =
     128             : #endif
     129           0 :     m_aCache.insert( PropertyValueCache::value_type( nHandle, aCurrentValue ) );
     130           0 :     OSL_ENSURE( aInsertResult.second, "PropertySetBase::initializePropertyValueCache: already cached a value for this property!" );
     131           0 : }
     132             : 
     133           0 : PropertyAccessorBase& PropertySetBase::locatePropertyHandler( sal_Int32 nHandle ) const
     134             : {
     135           0 :     PropertyAccessors::const_iterator aPropertyPos = m_aAccessors.find( nHandle );
     136             :     OSL_ENSURE( aPropertyPos != m_aAccessors.end() && aPropertyPos->second.get(),
     137             :         "PropertySetBase::locatePropertyHandler: accessor map is corrupted!" );
     138             :         // neither should this be called for handles where there is no accessor, nor should a
     139             :         // NULL accssor be in the map
     140           0 :     return *aPropertyPos->second;
     141             : }
     142             : 
     143           0 : sal_Bool SAL_CALL PropertySetBase::convertFastPropertyValue( Any& rConvertedValue, Any& rOldValue, sal_Int32 nHandle,
     144             :     const Any& rValue )
     145             :     throw (IllegalArgumentException)
     146             : {
     147           0 :     PropertyAccessorBase& rAccessor = locatePropertyHandler( nHandle );
     148           0 :     if ( !rAccessor.approveValue( rValue ) )
     149           0 :         throw IllegalArgumentException( OUString(), *this, 0 );
     150             : 
     151           0 :     rAccessor.getValue( rOldValue );
     152           0 :     if ( rOldValue != rValue )
     153             :     {
     154           0 :         rConvertedValue = rValue;   // no conversion at all
     155           0 :         return sal_True;
     156             :     }
     157           0 :     return sal_False;
     158             : }
     159             : 
     160           0 : void SAL_CALL PropertySetBase::setFastPropertyValue_NoBroadcast( sal_Int32 nHandle, const Any& rValue )
     161             :     throw (Exception, std::exception)
     162             : {
     163           0 :     PropertyAccessorBase& rAccessor = locatePropertyHandler( nHandle );
     164           0 :     rAccessor.setValue( rValue );
     165           0 : }
     166             : 
     167           0 : void SAL_CALL PropertySetBase::getFastPropertyValue( Any& rValue, sal_Int32 nHandle ) const
     168             : {
     169           0 :     PropertyAccessorBase& rAccessor = locatePropertyHandler( nHandle );
     170           0 :     rAccessor.getValue( rValue );
     171           0 : }
     172             : 
     173             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */