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Diffstat (limited to 'svx/source/unodraw/shapepropertynotifier.cxx')
| -rw-r--r-- | svx/source/unodraw/shapepropertynotifier.cxx | 170 |
1 files changed, 170 insertions, 0 deletions
diff --git a/svx/source/unodraw/shapepropertynotifier.cxx b/svx/source/unodraw/shapepropertynotifier.cxx new file mode 100644 index 000000000..3cb762eaf --- /dev/null +++ b/svx/source/unodraw/shapepropertynotifier.cxx @@ -0,0 +1,170 @@ +/* -*- 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: */ |