office-gobmx/svx/source/unodraw/shapepropertynotifier.cxx
2011-11-27 13:24:50 -06:00

208 lines
8.5 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
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*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
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*
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
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* version 3 along with OpenOffice.org. If not, see
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************************************************************************/
#include "svx/shapepropertynotifier.hxx"
/** === begin UNO includes === **/
#include <com/sun/star/beans/XPropertySet.hpp>
/** === end UNO includes === **/
#include <comphelper/stl_types.hxx>
#include <cppuhelper/interfacecontainer.hxx>
#include <cppuhelper/weak.hxx>
#include <tools/diagnose_ex.h>
#include <boost/unordered_map.hpp>
namespace
{
struct ShapePropertyHash
{
size_t operator()( ::svx::ShapeProperty __x ) const
{
return size_t( __x );
}
};
}
//........................................................................
namespace svx
{
//........................................................................
/** === begin UNO using === **/
using ::com::sun::star::uno::Reference;
using ::com::sun::star::uno::XInterface;
using ::com::sun::star::uno::UNO_QUERY;
using ::com::sun::star::uno::UNO_QUERY_THROW;
using ::com::sun::star::uno::UNO_SET_THROW;
using ::com::sun::star::uno::Exception;
using ::com::sun::star::uno::RuntimeException;
using ::com::sun::star::uno::Any;
using ::com::sun::star::uno::makeAny;
using ::com::sun::star::uno::Sequence;
using ::com::sun::star::uno::Type;
using ::com::sun::star::beans::PropertyChangeEvent;
using ::com::sun::star::beans::XPropertyChangeListener;
using ::com::sun::star::lang::EventObject;
using ::com::sun::star::beans::XPropertySet;
/** === end UNO using === **/
typedef ::boost::unordered_map< ShapeProperty, PPropertyValueProvider, ShapePropertyHash > PropertyProviders;
typedef ::cppu::OMultiTypeInterfaceContainerHelperVar < ::rtl::OUString
, ::rtl::OUStringHash
, ::comphelper::UStringEqual
> PropertyChangeListenerContainer;
//====================================================================
//= IPropertyValueProvider
//====================================================================
IPropertyValueProvider::~IPropertyValueProvider()
{
}
//====================================================================
//= PropertyChangeNotifier_Data
//====================================================================
struct PropertyChangeNotifier_Data
{
::cppu::OWeakObject& m_rContext;
PropertyProviders m_aProviders;
PropertyChangeListenerContainer m_aPropertyChangeListeners;
PropertyChangeNotifier_Data( ::cppu::OWeakObject& _rContext, ::osl::Mutex& _rMutex )
:m_rContext( _rContext )
,m_aPropertyChangeListeners( _rMutex )
{
}
};
//====================================================================
//= PropertyValueProvider
//====================================================================
//--------------------------------------------------------------------
::rtl::OUString PropertyValueProvider::getPropertyName() const
{
return m_sPropertyName;
}
//--------------------------------------------------------------------
void PropertyValueProvider::getCurrentValue( Any& _out_rValue ) const
{
Reference< XPropertySet > xContextProps( const_cast< PropertyValueProvider* >( this )->m_rContext, UNO_QUERY_THROW );
_out_rValue = xContextProps->getPropertyValue( getPropertyName() );
}
//====================================================================
//= PropertyChangeNotifier
//====================================================================
//--------------------------------------------------------------------
PropertyChangeNotifier::PropertyChangeNotifier( ::cppu::OWeakObject& _rOwner, ::osl::Mutex& _rMutex )
:m_pData( new PropertyChangeNotifier_Data( _rOwner, _rMutex ) )
{
}
//--------------------------------------------------------------------
PropertyChangeNotifier::~PropertyChangeNotifier()
{
}
//--------------------------------------------------------------------
void PropertyChangeNotifier::registerProvider( const ShapeProperty _eProperty, const PPropertyValueProvider _pProvider )
{
ENSURE_OR_THROW( _eProperty != eInvalidShapeProperty, "Illegal ShapeProperty value!" );
ENSURE_OR_THROW( !!_pProvider, "NULL factory not allowed." );
OSL_ENSURE( m_pData->m_aProviders.find( _eProperty ) == m_pData->m_aProviders.end(),
"PropertyChangeNotifier::registerProvider: factory for this ID already present!" );
m_pData->m_aProviders[ _eProperty ] = _pProvider;
}
//--------------------------------------------------------------------
void PropertyChangeNotifier::notifyPropertyChange( const ShapeProperty _eProperty ) const
{
ENSURE_OR_THROW( _eProperty != eInvalidShapeProperty, "Illegal ShapeProperty value!" );
PropertyProviders::const_iterator provPos = m_pData->m_aProviders.find( _eProperty );
OSL_ENSURE( provPos != m_pData->m_aProviders.end(), "PropertyChangeNotifier::notifyPropertyChange: no factory!" );
if ( provPos == m_pData->m_aProviders.end() )
return;
::rtl::OUString sPropertyName( provPos->second->getPropertyName() );
::cppu::OInterfaceContainerHelper* pPropListeners = m_pData->m_aPropertyChangeListeners.getContainer( sPropertyName );
::cppu::OInterfaceContainerHelper* pAllListeners = m_pData->m_aPropertyChangeListeners.getContainer( ::rtl::OUString() );
if ( !pPropListeners && !pAllListeners )
return;
try
{
PropertyChangeEvent aEvent;
aEvent.Source = m_pData->m_rContext;
// Handle/OldValue not supported
aEvent.PropertyName = provPos->second->getPropertyName();
provPos->second->getCurrentValue( aEvent.NewValue );
if ( pPropListeners )
pPropListeners->notifyEach( &XPropertyChangeListener::propertyChange, aEvent );
if ( pAllListeners )
pAllListeners->notifyEach( &XPropertyChangeListener::propertyChange, aEvent );
}
catch( const Exception& )
{
DBG_UNHANDLED_EXCEPTION();
}
}
//--------------------------------------------------------------------
void PropertyChangeNotifier::addPropertyChangeListener( const ::rtl::OUString& _rPropertyName, const Reference< XPropertyChangeListener >& _rxListener )
{
m_pData->m_aPropertyChangeListeners.addInterface( _rPropertyName, _rxListener );
}
//--------------------------------------------------------------------
void PropertyChangeNotifier::removePropertyChangeListener( const ::rtl::OUString& _rPropertyName, const Reference< XPropertyChangeListener >& _rxListener )
{
m_pData->m_aPropertyChangeListeners.removeInterface( _rPropertyName, _rxListener );
}
//--------------------------------------------------------------------
void PropertyChangeNotifier::disposing()
{
EventObject aEvent;
aEvent.Source = m_pData->m_rContext;
m_pData->m_aPropertyChangeListeners.disposeAndClear( aEvent );
}
//........................................................................
} // namespace svx
//........................................................................
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */