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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 <svx/shapepropertynotifier.hxx>
#include <com/sun/star/beans/XPropertySet.hpp>
#include <cppuhelper/interfacecontainer.hxx>
#include <cppuhelper/weak.hxx>
#include <tools/diagnose_ex.h>
#include <unordered_map>
namespace
{
struct ShapePropertyHash
{
size_t operator()( svx::ShapeProperty x ) const
{
return size_t( x );
}
};
}
namespace svx
{
using ::com::sun::star::uno::Reference;
using ::com::sun::star::uno::UNO_QUERY_THROW;
using ::com::sun::star::uno::Exception;
using ::com::sun::star::uno::Any;
using ::com::sun::star::beans::PropertyChangeEvent;
using ::com::sun::star::beans::XPropertyChangeListener;
using ::com::sun::star::lang::EventObject;
using ::com::sun::star::beans::XPropertySet;
typedef std::unordered_map< ShapeProperty, std::shared_ptr<IPropertyValueProvider>, ShapePropertyHash > PropertyProviders;
typedef cppu::OMultiTypeInterfaceContainerHelperVar<OUString>
PropertyChangeListenerContainer;
IPropertyValueProvider::~IPropertyValueProvider()
{
}
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
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( ::cppu::OWeakObject& _rOwner, ::osl::Mutex& _rMutex )
:m_xData( new PropertyChangeNotifier_Data( _rOwner, _rMutex ) )
{
}
PropertyChangeNotifier::~PropertyChangeNotifier()
{
}
void PropertyChangeNotifier::registerProvider(const ShapeProperty _eProperty, const std::shared_ptr<IPropertyValueProvider>& _rProvider)
{
ENSURE_OR_THROW( !!_rProvider, "NULL factory not allowed." );
OSL_ENSURE( m_xData->m_aProviders.find( _eProperty ) == m_xData->m_aProviders.end(),
"PropertyChangeNotifier::registerProvider: factory for this ID already present!" );
m_xData->m_aProviders[ _eProperty ] = _rProvider;
}
void PropertyChangeNotifier::notifyPropertyChange( const ShapeProperty _eProperty ) const
{
PropertyProviders::const_iterator provPos = m_xData->m_aProviders.find( _eProperty );
OSL_ENSURE( provPos != m_xData->m_aProviders.end(), "PropertyChangeNotifier::notifyPropertyChange: no factory!" );
if ( provPos == m_xData->m_aProviders.end() )
return;
OUString sPropertyName( provPos->second->getPropertyName() );
::cppu::OInterfaceContainerHelper* pPropListeners = m_xData->m_aPropertyChangeListeners.getContainer( sPropertyName );
::cppu::OInterfaceContainerHelper* pAllListeners = m_xData->m_aPropertyChangeListeners.getContainer( OUString() );
if ( !pPropListeners && !pAllListeners )
return;
try
{
PropertyChangeEvent aEvent;
aEvent.Source = m_xData->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("svx");
}
}
void PropertyChangeNotifier::addPropertyChangeListener( const OUString& _rPropertyName, const Reference< XPropertyChangeListener >& _rxListener )
{
m_xData->m_aPropertyChangeListeners.addInterface( _rPropertyName, _rxListener );
}
void PropertyChangeNotifier::removePropertyChangeListener( const OUString& _rPropertyName, const Reference< XPropertyChangeListener >& _rxListener )
{
m_xData->m_aPropertyChangeListeners.removeInterface( _rPropertyName, _rxListener );
}
void PropertyChangeNotifier::disposing()
{
EventObject aEvent;
aEvent.Source = m_xData->m_rContext;
m_xData->m_aPropertyChangeListeners.disposeAndClear( aEvent );
}
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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