AOO410/main/ucbhelper/source/provider/contenthelper.cxx

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 * 
 * 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
 * 
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
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// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_ucbhelper.hxx"
/**************************************************************************
								TODO
 **************************************************************************

 *************************************************************************/

#include <hash_map>
#include <com/sun/star/ucb/ContentAction.hpp>
#include <com/sun/star/ucb/CommandInfoChange.hpp>
#include <com/sun/star/ucb/XPersistentPropertySet.hpp>
#include <com/sun/star/beans/PropertyAttribute.hpp>
#include <com/sun/star/beans/PropertySetInfoChange.hpp>
#include <cppuhelper/interfacecontainer.hxx>

#include "osl/diagnose.h"
#include "osl/mutex.hxx"
#include "rtl/ref.hxx"
#include <ucbhelper/contentidentifier.hxx>
#include <ucbhelper/contenthelper.hxx>
#include <ucbhelper/providerhelper.hxx>
#include <ucbhelper/contentinfo.hxx>

using namespace com::sun::star;

namespace ucbhelper_impl
{

//=========================================================================
//
// class PropertyEventSequence.
//
//=========================================================================

class PropertyEventSequence
{
	uno::Sequence< beans::PropertyChangeEvent > m_aSeq;
	sal_uInt32                                  m_nPos;

public:
	PropertyEventSequence( sal_uInt32 nSize )
	: m_aSeq( nSize ), m_nPos( 0 ) {};

	void append( const beans::PropertyChangeEvent& rEvt )
	{ m_aSeq.getArray()[ m_nPos ] = rEvt; ++m_nPos; }

	const uno::Sequence< beans::PropertyChangeEvent >& getEvents()
	{ m_aSeq.realloc( m_nPos ); return m_aSeq; }
};

//=========================================================================
//
// PropertiesEventListenerMap.
//
//=========================================================================

typedef void* XPropertiesChangeListenerPtr; // -> Compiler problems!

struct equalPtr
{
	bool operator()( const XPropertiesChangeListenerPtr& rp1,
					 const XPropertiesChangeListenerPtr& rp2 ) const
	{
		return ( rp1 == rp2 );
	}
};

struct hashPtr
{
	size_t operator()( const XPropertiesChangeListenerPtr& rp ) const
	{
		return (size_t)rp;
	}
};

typedef std::hash_map
<
	XPropertiesChangeListenerPtr,
	PropertyEventSequence*,
	hashPtr,
	equalPtr
>
PropertiesEventListenerMap;

//=========================================================================
//
// PropertyChangeListenerContainer.
//
//=========================================================================

struct equalStr
{
	bool operator()( const rtl::OUString& s1, const rtl::OUString& s2 ) const
  	{
		return !!( s1 == s2 );
	}
};

struct hashStr
{
	size_t operator()( const rtl::OUString& rName ) const
	{
		return rName.hashCode();
	}
};

typedef cppu::OMultiTypeInterfaceContainerHelperVar
<
	rtl::OUString,
	hashStr,
	equalStr
> PropertyChangeListeners;

//=========================================================================
//
// struct ContentImplHelper_Impl
//
//=========================================================================

struct ContentImplHelper_Impl
{
	rtl::Reference< ::ucbhelper::PropertySetInfo > 	    m_xPropSetInfo;
	rtl::Reference< ::ucbhelper::CommandProcessorInfo > m_xCommandsInfo;
	cppu::OInterfaceContainerHelper*              m_pDisposeEventListeners;
	cppu::OInterfaceContainerHelper*              m_pContentEventListeners;
	cppu::OInterfaceContainerHelper*              m_pPropSetChangeListeners;
	cppu::OInterfaceContainerHelper*              m_pCommandChangeListeners;
	PropertyChangeListeners*    	              m_pPropertyChangeListeners;

	ContentImplHelper_Impl()
	: m_pDisposeEventListeners( 0 ),
  	  m_pContentEventListeners( 0 ),
	  m_pPropSetChangeListeners( 0 ),
  	  m_pCommandChangeListeners( 0 ),
	  m_pPropertyChangeListeners( 0 ) {}

	~ContentImplHelper_Impl()
	{
		delete m_pDisposeEventListeners;
		delete m_pContentEventListeners;
		delete m_pPropSetChangeListeners;
		delete m_pCommandChangeListeners;
		delete m_pPropertyChangeListeners;
	}
};

} // namespace ucbhelper_impl

using namespace ucbhelper_impl;

//=========================================================================
//=========================================================================
//
// ContentImplHelper Implementation.
//
//=========================================================================
//=========================================================================

namespace ucbhelper {

ContentImplHelper::ContentImplHelper(
			const uno::Reference< lang::XMultiServiceFactory >& rxSMgr,
			const rtl::Reference< ContentProviderImplHelper >& rxProvider,
			const uno::Reference< 
            com::sun::star::ucb::XContentIdentifier >& Identifier )
: m_pImpl( new ContentImplHelper_Impl ),
  m_xSMgr( rxSMgr ),
  m_xIdentifier( Identifier ),
  m_xProvider( rxProvider ),
  m_nCommandId( 0 )
{
}

//=========================================================================
// virtual
ContentImplHelper::~ContentImplHelper()
{
	delete m_pImpl;
}

//=========================================================================
//
// XInterface methods.
//
//=========================================================================

void SAL_CALL ContentImplHelper::acquire()
	throw()
{
	cppu::OWeakObject::acquire();
}

void SAL_CALL ContentImplHelper::release()
	throw()
{
    // #144882# - Call to OWeakObject::release may destroy m_xProvider.
    //            Prevent this.
    rtl::Reference< ContentProviderImplHelper > xKeepProviderAlive( 
        m_xProvider );

    {
        osl::MutexGuard aGuard( m_xProvider->m_aMutex );
        OWeakObject::release();
    }
}

uno::Any SAL_CALL ContentImplHelper::queryInterface( const uno::Type & rType )
	throw( uno::RuntimeException )
{
	com::sun::star::uno::Any aRet = cppu::queryInterface( rType,
			static_cast< lang::XTypeProvider * >(this),
			static_cast< lang::XServiceInfo * >(this),
			static_cast< lang::XComponent * >(this),
			static_cast< com::sun::star::ucb::XContent * >(this),
			static_cast< com::sun::star::ucb::XCommandProcessor * >(this),
			static_cast< beans::XPropertiesChangeNotifier * >(this),
			static_cast< com::sun::star::ucb::XCommandInfoChangeNotifier * >(this),
			static_cast< beans::XPropertyContainer * >(this),
			static_cast< beans::XPropertySetInfoChangeNotifier * >(this),
			static_cast< container::XChild * >(this));
	return aRet.hasValue() ? aRet : cppu::OWeakObject::queryInterface( rType );
}

//=========================================================================
//
// XTypeProvider methods.
//
//=========================================================================

XTYPEPROVIDER_IMPL_10( ContentImplHelper,
					   lang::XTypeProvider,
					   lang::XServiceInfo,
					   lang::XComponent,
					   com::sun::star::ucb::XContent,
					   com::sun::star::ucb::XCommandProcessor,
					   beans::XPropertiesChangeNotifier,
					   com::sun::star::ucb::XCommandInfoChangeNotifier,
					   beans::XPropertyContainer,
					   beans::XPropertySetInfoChangeNotifier,
					   container::XChild );

//=========================================================================
//
// XServiceInfo methods.
//
//=========================================================================

// virtual
sal_Bool SAL_CALL ContentImplHelper::supportsService(
											const rtl::OUString& ServiceName )
	throw( uno::RuntimeException )
{
	uno::Sequence< rtl::OUString > aSNL = getSupportedServiceNames();
	const rtl::OUString* pArray = aSNL.getConstArray();
	for ( sal_Int32 i = 0; i < aSNL.getLength(); i++ )
	{
		if ( pArray[ i ] == ServiceName )
			return sal_True;
	}

	return sal_False;
}

//=========================================================================
//
// XComponent methods.
//
//=========================================================================

// virtual
void SAL_CALL ContentImplHelper::dispose()
	throw( uno::RuntimeException )
{
	osl::MutexGuard aGuard( m_aMutex );

	if ( m_pImpl->m_pDisposeEventListeners &&
	     m_pImpl->m_pDisposeEventListeners->getLength() )
	{
		lang::EventObject aEvt;
		aEvt.Source = static_cast< lang::XComponent * >( this );
		m_pImpl->m_pDisposeEventListeners->disposeAndClear( aEvt );
	}

	if ( m_pImpl->m_pContentEventListeners &&
	     m_pImpl->m_pContentEventListeners->getLength() )
	{
		lang::EventObject aEvt;
		aEvt.Source = static_cast< com::sun::star::ucb::XContent * >( this );
		m_pImpl->m_pContentEventListeners->disposeAndClear( aEvt );
	}

	if ( m_pImpl->m_pPropSetChangeListeners &&
	     m_pImpl->m_pPropSetChangeListeners->getLength() )
	{
		lang::EventObject aEvt;
		aEvt.Source 
            = static_cast< beans::XPropertySetInfoChangeNotifier * >( this );
		m_pImpl->m_pPropSetChangeListeners->disposeAndClear( aEvt );
	}

	if ( m_pImpl->m_pCommandChangeListeners &&
	     m_pImpl->m_pCommandChangeListeners->getLength() )
	{
		lang::EventObject aEvt;
		aEvt.Source = static_cast<  com::sun::star::ucb::XCommandInfoChangeNotifier * >( this );
		m_pImpl->m_pCommandChangeListeners->disposeAndClear( aEvt );
	}

	if ( m_pImpl->m_pPropertyChangeListeners )
	{
		lang::EventObject aEvt;
		aEvt.Source 
            = static_cast< beans::XPropertiesChangeNotifier * >( this );
		m_pImpl->m_pPropertyChangeListeners->disposeAndClear( aEvt );
	}
}

//=========================================================================
// virtual
void SAL_CALL ContentImplHelper::addEventListener(
        const uno::Reference< lang::XEventListener >& Listener )
	throw( uno::RuntimeException )
{
	osl::MutexGuard aGuard( m_aMutex );

	if ( !m_pImpl->m_pDisposeEventListeners )
		m_pImpl->m_pDisposeEventListeners
			= new cppu::OInterfaceContainerHelper( m_aMutex );

	m_pImpl->m_pDisposeEventListeners->addInterface( Listener );
}

//=========================================================================
// virtual
void SAL_CALL ContentImplHelper::removeEventListener(
        const uno::Reference< lang::XEventListener >& Listener )
	throw( uno::RuntimeException )
{
	osl::MutexGuard aGuard( m_aMutex );

	if ( m_pImpl->m_pDisposeEventListeners )
		m_pImpl->m_pDisposeEventListeners->removeInterface( Listener );
}

//=========================================================================
//
// XContent methods.
//
//=========================================================================

// virtual
uno::Reference< com::sun::star::ucb::XContentIdentifier > SAL_CALL 
ContentImplHelper::getIdentifier()
	throw( uno::RuntimeException )
{
	return m_xIdentifier;
}

//=========================================================================
// virtual
void SAL_CALL ContentImplHelper::addContentEventListener(
        const uno::Reference< com::sun::star::ucb::XContentEventListener >& Listener )
	throw( uno::RuntimeException )
{
	osl::MutexGuard aGuard( m_aMutex );

	if ( !m_pImpl->m_pContentEventListeners )
		m_pImpl->m_pContentEventListeners
			= new cppu::OInterfaceContainerHelper( m_aMutex );

	m_pImpl->m_pContentEventListeners->addInterface( Listener );
}

//=========================================================================
// virtual
void SAL_CALL ContentImplHelper::removeContentEventListener(
        const uno::Reference< com::sun::star::ucb::XContentEventListener >& Listener )
	throw( uno::RuntimeException )
{
	osl::MutexGuard aGuard( m_aMutex );

	if ( m_pImpl->m_pContentEventListeners )
		m_pImpl->m_pContentEventListeners->removeInterface( Listener );
}

//=========================================================================
//
// XCommandProcessor methods.
//
//=========================================================================

// virtual
sal_Int32 SAL_CALL ContentImplHelper::createCommandIdentifier()
	throw( uno::RuntimeException )
{
	osl::MutexGuard aGuard( m_aMutex );

	// Just increase counter on every call to generate an identifier.
	return ++m_nCommandId;
}

//=========================================================================
//
// XPropertiesChangeNotifier methods.
//
//=========================================================================

// virtual
void SAL_CALL ContentImplHelper::addPropertiesChangeListener(
        const uno::Sequence< rtl::OUString >& PropertyNames,
        const uno::Reference< beans::XPropertiesChangeListener >& Listener )
	throw( uno::RuntimeException )
{
	osl::MutexGuard aGuard( m_aMutex );

	if ( !m_pImpl->m_pPropertyChangeListeners )
		m_pImpl->m_pPropertyChangeListeners
			= new PropertyChangeListeners( m_aMutex );

	sal_Int32 nCount = PropertyNames.getLength();
	if ( !nCount )
	{
		// Note: An empty sequence means a listener for "all" properties.
		m_pImpl->m_pPropertyChangeListeners->addInterface(
            rtl::OUString(), Listener );
	}
	else
	{
		const rtl::OUString* pSeq = PropertyNames.getConstArray();

		for ( sal_Int32 n = 0; n < nCount; ++n )
		{
			const rtl::OUString& rName = pSeq[ n ];
			if ( rName.getLength() )
				m_pImpl->m_pPropertyChangeListeners->addInterface(
                    rName, Listener );
		}
	}
}

//=========================================================================
// virtual
void SAL_CALL ContentImplHelper::removePropertiesChangeListener(
        const uno::Sequence< rtl::OUString >& PropertyNames,
        const uno::Reference< beans::XPropertiesChangeListener >& Listener )
	throw( uno::RuntimeException )
{
	osl::MutexGuard aGuard( m_aMutex );

	if ( !m_pImpl->m_pPropertyChangeListeners )
		return;

	sal_Int32 nCount = PropertyNames.getLength();
	if ( !nCount )
	{
		// Note: An empty sequence means a listener for "all" properties.
		m_pImpl->m_pPropertyChangeListeners->removeInterface(
            rtl::OUString(), Listener );
	}
	else
	{
		const rtl::OUString* pSeq = PropertyNames.getConstArray();

		for ( sal_Int32 n = 0; n < nCount; ++n )
		{
			const rtl::OUString& rName = pSeq[ n ];
			if ( rName.getLength() )
				m_pImpl->m_pPropertyChangeListeners->removeInterface(
                    rName, Listener );
		}
	}
}

//=========================================================================
//
// XCommandInfoChangeNotifier methods.
//
//=========================================================================

// virtual
void SAL_CALL ContentImplHelper::addCommandInfoChangeListener(
        const uno::Reference< com::sun::star::ucb::XCommandInfoChangeListener >& Listener )
	throw( uno::RuntimeException )
{
	osl::MutexGuard aGuard( m_aMutex );

	if ( !m_pImpl->m_pCommandChangeListeners )
		m_pImpl->m_pCommandChangeListeners
			= new cppu::OInterfaceContainerHelper( m_aMutex );

	m_pImpl->m_pCommandChangeListeners->addInterface( Listener );
}

//=========================================================================
// virtual
void SAL_CALL ContentImplHelper::removeCommandInfoChangeListener(
        const uno::Reference< com::sun::star::ucb::XCommandInfoChangeListener >& Listener )
	throw( uno::RuntimeException )
{
	osl::MutexGuard aGuard( m_aMutex );

	if ( m_pImpl->m_pCommandChangeListeners )
		m_pImpl->m_pCommandChangeListeners->removeInterface( Listener );
}

//=========================================================================
//
// XPropertyContainer methods.
//
//=========================================================================

// virtual
void SAL_CALL ContentImplHelper::addProperty(
        const rtl::OUString& Name, 
        sal_Int16 Attributes, 
        const uno::Any& DefaultValue )
	throw( beans::PropertyExistException,
		   beans::IllegalTypeException,
		   lang::IllegalArgumentException,
		   uno::RuntimeException )
{
	osl::MutexGuard aGuard( m_aMutex );

	//////////////////////////////////////////////////////////////////////
	// Make sure a property with the requested name does not already
	// exist in dynamic and static(!) properties.
	//////////////////////////////////////////////////////////////////////

	// @@@ Need real command environment here, but where to get it from?
	//     XPropertyContainer interface should be replaced by
	//     XCommandProcessor commands!
	uno::Reference< com::sun::star::ucb::XCommandEnvironment > xEnv;

	if ( getPropertySetInfo( xEnv )->hasPropertyByName( Name ) )
	{
		// Property does already exist.
		throw beans::PropertyExistException();
	}

	//////////////////////////////////////////////////////////////////////
	// Add a new dynamic property.
	//////////////////////////////////////////////////////////////////////

	// Open/create persistent property set.
    uno::Reference< com::sun::star::ucb::XPersistentPropertySet > xSet(
									getAdditionalPropertySet( sal_True ) );

	OSL_ENSURE( xSet.is(), 
                "ContentImplHelper::addProperty - No property set!" );

	if ( xSet.is() )
	{
		uno::Reference< beans::XPropertyContainer > xContainer( 
            xSet, uno::UNO_QUERY );

		OSL_ENSURE( 
            xContainer.is(),
            "ContentImplHelper::addProperty - No property container!" );

		if ( xContainer.is() )
		{
			// Property is always removeable.
			Attributes |= beans::PropertyAttribute::REMOVEABLE;

			try
			{
				xContainer->addProperty( Name, Attributes, DefaultValue );
			}
			catch ( beans::PropertyExistException const & )
			{
				OSL_ENSURE( sal_False,
							"ContentImplHelper::addProperty - Exists!" );
				throw;
			}
			catch ( beans::IllegalTypeException const & )
			{
				OSL_ENSURE( sal_False,
							"ContentImplHelper::addProperty - Wrong Type!" );
				throw;
			}
			catch ( lang::IllegalArgumentException const & )
			{
				OSL_ENSURE( sal_False,
							"ContentImplHelper::addProperty - Illegal Arg!" );
				throw;
			}

			// Success!

			if ( m_pImpl->m_xPropSetInfo.is() )
			{
				// Info cached in propertyset info is invalid now!
				m_pImpl->m_xPropSetInfo->reset();
			}

			// Notify propertyset info change listeners.
			if ( m_pImpl->m_pPropSetChangeListeners &&
				 m_pImpl->m_pPropSetChangeListeners->getLength() )
			{
				beans::PropertySetInfoChangeEvent evt(
							static_cast< cppu::OWeakObject * >( this ),
							Name,
							-1, // No handle available
							beans::PropertySetInfoChange::PROPERTY_INSERTED );
				notifyPropertySetInfoChange( evt );
			}
		}
	}
}

//=========================================================================
// virtual
void SAL_CALL ContentImplHelper::removeProperty( const rtl::OUString& Name )
	throw( beans::UnknownPropertyException,
		   beans::NotRemoveableException,
		   uno::RuntimeException )
{
	osl::MutexGuard aGuard( m_aMutex );

	try
	{
		// @@@ Need real command environment here, but where to get it from?
		//     XPropertyContainer interface should be replaced by
		//     XCommandProcessor commands!
		uno::Reference< com::sun::star::ucb::XCommandEnvironment > xEnv;

		beans::Property aProp 
            = getPropertySetInfo( xEnv )->getPropertyByName( Name );

		if ( !( aProp.Attributes & beans::PropertyAttribute::REMOVEABLE ) )
		{
			// Not removeable!
			throw beans::NotRemoveableException();
		}
	}
	catch ( beans::UnknownPropertyException const & )
	{
		OSL_ENSURE( sal_False, "ContentImplHelper::removeProperty - Unknown!" );
		throw;
	}

	//////////////////////////////////////////////////////////////////////
	// Try to remove property from dynamic property set.
	//////////////////////////////////////////////////////////////////////

	// Open persistent property set, if exists.
    uno::Reference< com::sun::star::ucb::XPersistentPropertySet > xSet(
        getAdditionalPropertySet( sal_False ) );
	if ( xSet.is() )
	{
		uno::Reference< beans::XPropertyContainer > xContainer( 
            xSet, uno::UNO_QUERY );

		OSL_ENSURE( 
            xContainer.is(),
            "ContentImplHelper::removeProperty - No property container!" );

		if ( xContainer.is() )
		{
			try
			{
				xContainer->removeProperty( Name );
			}
			catch ( beans::UnknownPropertyException const & )
			{
				OSL_ENSURE( sal_False,
							"ContentImplHelper::removeProperty - Unknown!" );
				throw;
			}
			catch ( beans::NotRemoveableException const & )
			{
				OSL_ENSURE( 
                    sal_False,
                    "ContentImplHelper::removeProperty - Unremoveable!" );
				throw;
			}

			xContainer = 0;

			// Success!

			if ( xSet->getPropertySetInfo()->getProperties().getLength() == 0 )
			{
				// Remove empty propertyset from registry.
    			uno::Reference< com::sun::star::ucb::XPropertySetRegistry > 
                    xReg = xSet->getRegistry();
				if ( xReg.is() )
				{
					rtl::OUString aKey( xSet->getKey() );
					xSet = 0;
					xReg->removePropertySet( aKey );
				}
			}

			if ( m_pImpl->m_xPropSetInfo.is() )
			{
				// Info cached in propertyset info is invalid now!
				m_pImpl->m_xPropSetInfo->reset();
			}

			// Notify propertyset info change listeners.
			if ( m_pImpl->m_pPropSetChangeListeners &&
				 m_pImpl->m_pPropSetChangeListeners->getLength() )
			{
				beans::PropertySetInfoChangeEvent evt(
							static_cast< cppu::OWeakObject * >( this ),
							Name,
							-1, // No handle available
							beans::PropertySetInfoChange::PROPERTY_REMOVED );
				notifyPropertySetInfoChange( evt );
			}
		}
	}
}

//=========================================================================
//
// XPropertySetInfoChangeNotifier methods.
//
//=========================================================================

// virtual
void SAL_CALL ContentImplHelper::addPropertySetInfoChangeListener(
        const uno::Reference< beans::XPropertySetInfoChangeListener >& Listener )
	throw( uno::RuntimeException )
{
	osl::MutexGuard aGuard( m_aMutex );

	if ( !m_pImpl->m_pPropSetChangeListeners )
		m_pImpl->m_pPropSetChangeListeners
			= new cppu::OInterfaceContainerHelper( m_aMutex );

	m_pImpl->m_pPropSetChangeListeners->addInterface( Listener );
}

//=========================================================================
// virtual
void SAL_CALL ContentImplHelper::removePropertySetInfoChangeListener(
        const uno::Reference< beans::XPropertySetInfoChangeListener >& Listener )
	throw( uno::RuntimeException )
{
	osl::MutexGuard aGuard( m_aMutex );

	if ( m_pImpl->m_pPropSetChangeListeners )
		m_pImpl->m_pPropSetChangeListeners->removeInterface( Listener );
}

//=========================================================================
//
// XChild methods.
//
//=========================================================================

// virtual
uno::Reference< uno::XInterface > SAL_CALL ContentImplHelper::getParent()
	throw( uno::RuntimeException )
{
    uno::Reference< uno::XInterface > xParent;
	rtl::OUString aURL = getParentURL();

	if ( aURL.getLength() )
	{
		uno::Reference< com::sun::star::ucb::XContentIdentifier > xId(
            new ContentIdentifier( m_xSMgr, aURL ) );
        try
        {
            xParent.set( m_xProvider->queryContent( xId ) );
        }
        catch ( com::sun::star::ucb::IllegalIdentifierException const & )
        {
        }
	}

    return xParent;
}

//=========================================================================
// virtual
void SAL_CALL ContentImplHelper::setParent(
									const uno::Reference< uno::XInterface >& )
	throw( lang::NoSupportException, uno::RuntimeException )
{
	throw lang::NoSupportException();
}

//=========================================================================
//
// Non-interface methods
//
//=========================================================================

uno::Reference< com::sun::star::ucb::XPersistentPropertySet >
ContentImplHelper::getAdditionalPropertySet( sal_Bool bCreate )
{
	// Get propertyset from provider.
	return m_xProvider->getAdditionalPropertySet(
							m_xIdentifier->getContentIdentifier(), bCreate );
}

//=========================================================================
sal_Bool ContentImplHelper::renameAdditionalPropertySet(
    const rtl::OUString& rOldKey,
    const rtl::OUString& rNewKey,
    sal_Bool bRecursive )
{
	return m_xProvider->renameAdditionalPropertySet(
											rOldKey, rNewKey, bRecursive );
}

//=========================================================================
sal_Bool ContentImplHelper::copyAdditionalPropertySet(
    const rtl::OUString& rSourceKey,
    const rtl::OUString& rTargetKey,
    sal_Bool bRecursive )
{
	return m_xProvider->copyAdditionalPropertySet(
										rSourceKey, rTargetKey, bRecursive );
}

//=========================================================================
sal_Bool ContentImplHelper::removeAdditionalPropertySet( sal_Bool bRecursive )
{
	return m_xProvider->removeAdditionalPropertySet(
					m_xIdentifier->getContentIdentifier(), bRecursive );
}

//=========================================================================
void ContentImplHelper::notifyPropertiesChange(
    const uno::Sequence< beans::PropertyChangeEvent >& evt ) const
{
	if ( !m_pImpl->m_pPropertyChangeListeners )
		return;

	sal_Int32 nCount = evt.getLength();
	if ( nCount )
	{
		// First, notify listeners interested in changes of every property.
		cppu::OInterfaceContainerHelper* pAllPropsContainer
			= m_pImpl->m_pPropertyChangeListeners->getContainer( 
                rtl::OUString() );
		if ( pAllPropsContainer )
		{
			cppu::OInterfaceIteratorHelper aIter( *pAllPropsContainer );
			while ( aIter.hasMoreElements() )
			{
				// Propagate event.
				uno::Reference< beans::XPropertiesChangeListener > xListener(
                    aIter.next(), uno::UNO_QUERY );
				if ( xListener.is() )
					xListener->propertiesChange( evt );
			}
		}

		PropertiesEventListenerMap aListeners;

		const beans::PropertyChangeEvent* pEvents = evt.getConstArray();

		for ( sal_Int32 n = 0; n < nCount; ++n )
		{
			const beans::PropertyChangeEvent& rEvent = pEvents[ n ];
			const rtl::OUString& rName = rEvent.PropertyName;

			cppu::OInterfaceContainerHelper* pPropsContainer
				= m_pImpl->m_pPropertyChangeListeners->getContainer( rName );
			if ( pPropsContainer )
			{
				cppu::OInterfaceIteratorHelper aIter( *pPropsContainer );
				while ( aIter.hasMoreElements() )
				{
					PropertyEventSequence* p = NULL;

					beans::XPropertiesChangeListener* pListener =
						static_cast< beans::XPropertiesChangeListener * >(
															aIter.next() );
					PropertiesEventListenerMap::iterator it =
							aListeners.find( pListener );
					if ( it == aListeners.end() )
					{
						// Not in map - create and insert new entry.
						p = new PropertyEventSequence( nCount );
						aListeners[ pListener ] = p;
					}
					else
						p = (*it).second;

					if ( p )
						p->append( rEvent );
				}
			}
		}

		// Notify listeners.
		PropertiesEventListenerMap::iterator it = aListeners.begin();
		while ( !aListeners.empty() )
		{
			beans::XPropertiesChangeListener* pListener =
                static_cast< beans::XPropertiesChangeListener * >( (*it).first );
			PropertyEventSequence* pSeq = (*it).second;

			// Remove current element.
			aListeners.erase( it );

			// Propagate event.
			pListener->propertiesChange( pSeq->getEvents() );

			delete pSeq;

			it = aListeners.begin();
		}
	}
}

//=========================================================================
void ContentImplHelper::notifyPropertySetInfoChange(
    const beans::PropertySetInfoChangeEvent& evt ) const
{
	if ( !m_pImpl->m_pPropSetChangeListeners )
		return;

	// Notify event listeners.
	cppu::OInterfaceIteratorHelper aIter( *m_pImpl->m_pPropSetChangeListeners );
	while ( aIter.hasMoreElements() )
	{
		// Propagate event.
		uno::Reference< beans::XPropertySetInfoChangeListener >
            xListener( aIter.next(), uno::UNO_QUERY );
		if ( xListener.is() )
			xListener->propertySetInfoChange( evt );
	}
}

//=========================================================================
void ContentImplHelper::notifyCommandInfoChange(
    const com::sun::star::ucb::CommandInfoChangeEvent& evt ) const
{
	if ( !m_pImpl->m_pCommandChangeListeners )
		return;

	// Notify event listeners.
	cppu::OInterfaceIteratorHelper aIter( 
        *m_pImpl->m_pCommandChangeListeners );
	while ( aIter.hasMoreElements() )
	{
		// Propagate event.
		uno::Reference< com::sun::star::ucb::XCommandInfoChangeListener >
            xListener( aIter.next(), uno::UNO_QUERY );
		if ( xListener.is() )
			xListener->commandInfoChange( evt );
	}
}

//=========================================================================
void ContentImplHelper::notifyContentEvent( 
    const com::sun::star::ucb::ContentEvent& evt ) const
{
	if ( !m_pImpl->m_pContentEventListeners )
		return;

	// Notify event listeners.
	cppu::OInterfaceIteratorHelper aIter( *m_pImpl->m_pContentEventListeners );
	while ( aIter.hasMoreElements() )
	{
		// Propagate event.
		uno::Reference< 
            com::sun::star::ucb::XContentEventListener > xListener( 
                aIter.next(), uno::UNO_QUERY );
		if ( xListener.is() )
			xListener->contentEvent( evt );
	}
}

//=========================================================================
void ContentImplHelper::inserted()
{
	// Content is not yet registered at provider.
	m_xProvider->registerNewContent( this );

	// If the parent content is currently not instanciated, there can be
	// no listeners interested in changes ;-)

	rtl::Reference< ContentImplHelper > xParent
				= m_xProvider->queryExistingContent( getParentURL() );

	if ( xParent.is() )
	{
		com::sun::star::ucb::ContentEvent aEvt( 
            static_cast< cppu::OWeakObject * >( xParent.get() ), // Source
            com::sun::star::ucb::ContentAction::INSERTED,		 // Action
            this,									             // Content
            xParent->getIdentifier() );				             // Id
		xParent->notifyContentEvent( aEvt );
	}
}

//=========================================================================
void ContentImplHelper::deleted()
{
	uno::Reference< com::sun::star::ucb::XContent > xThis = this;

	rtl::Reference< ContentImplHelper > xParent
					= m_xProvider->queryExistingContent( getParentURL() );

	if ( xParent.is() )
	{
		// Let parent notify "REMOVED" event.
		com::sun::star::ucb::ContentEvent aEvt( 
            static_cast< cppu::OWeakObject * >( xParent.get() ),
            com::sun::star::ucb::ContentAction::REMOVED,
            this,
            xParent->getIdentifier()	);
		xParent->notifyContentEvent( aEvt );
	}

	// Notify "DELETED" event.
	com::sun::star::ucb::ContentEvent aEvt1( 
        static_cast< cppu::OWeakObject * >( this ),
        com::sun::star::ucb::ContentAction::DELETED,
        this,
        getIdentifier() );
	notifyContentEvent( aEvt1 );

	m_xProvider->removeContent( this );
}

//=========================================================================
sal_Bool ContentImplHelper::exchange(
    const uno::Reference< com::sun::star::ucb::XContentIdentifier >& rNewId )
{
	uno::Reference< com::sun::star::ucb::XContent > xThis = this;

	osl::ClearableMutexGuard aGuard( m_aMutex );

	rtl::Reference< ContentImplHelper > xContent
        = m_xProvider->queryExistingContent( rNewId );
	if ( xContent.is() )
	{
		// @@@
		// Big trouble. Another object with the new identity exists.
		// How shall I mutate to / merge with the other object?
		return sal_False;
	}

	uno::Reference< com::sun::star::ucb::XContentIdentifier > xOldId 
        = getIdentifier();

	// Re-insert at provider.
	m_xProvider->removeContent( this );
	m_xIdentifier = rNewId;
	m_xProvider->registerNewContent( this );

	aGuard.clear();

	// Notify "EXCHANGED" event.
	com::sun::star::ucb::ContentEvent aEvt( 
        static_cast< cppu::OWeakObject * >( this ),
        com::sun::star::ucb::ContentAction::EXCHANGED,
        this,
        xOldId );
	notifyContentEvent( aEvt );
	return sal_True;
}

//=========================================================================
uno::Reference< com::sun::star::ucb::XCommandInfo > 
ContentImplHelper::getCommandInfo(
    const uno::Reference< com::sun::star::ucb::XCommandEnvironment > & xEnv, 
    sal_Bool bCache )
{
	osl::MutexGuard aGuard( m_aMutex );

	if ( !m_pImpl->m_xCommandsInfo.is() )
		m_pImpl->m_xCommandsInfo
			= new CommandProcessorInfo( m_xSMgr, xEnv, this );
	else if ( !bCache )
		m_pImpl->m_xCommandsInfo->reset();

	return uno::Reference< com::sun::star::ucb::XCommandInfo >( 
        m_pImpl->m_xCommandsInfo.get() );
}

//=========================================================================
uno::Reference< beans::XPropertySetInfo > 
ContentImplHelper::getPropertySetInfo(
    const uno::Reference< com::sun::star::ucb::XCommandEnvironment > & xEnv, 
    sal_Bool bCache )
{
	osl::MutexGuard aGuard( m_aMutex );

	if ( !m_pImpl->m_xPropSetInfo.is() )
		m_pImpl->m_xPropSetInfo
			= new PropertySetInfo( m_xSMgr, xEnv, this );
	else if ( !bCache )
		m_pImpl->m_xPropSetInfo->reset();

	return uno::Reference< beans::XPropertySetInfo >(
									m_pImpl->m_xPropSetInfo.get() );
}

} // namespace ucbhelper