AOO410/main/UnoControls/source/controls/OConnectionPointContainerHelper.cxx

/**************************************************************
 * 
 * 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
 * under the License.
 * 
 *************************************************************/



//______________________________________________________________________________________________________________
//	my own include
//______________________________________________________________________________________________________________

#include "OConnectionPointContainerHelper.hxx"

//______________________________________________________________________________________________________________
//	includes of other projects
//______________________________________________________________________________________________________________

//______________________________________________________________________________________________________________
//	include of my own project
//______________________________________________________________________________________________________________
#include "OConnectionPointHelper.hxx"

//______________________________________________________________________________________________________________
//	namespaces
//______________________________________________________________________________________________________________

using namespace	::rtl					;
using namespace	::osl					;
using namespace	::cppu					;
using namespace	::com::sun::star::uno	;
using namespace	::com::sun::star::lang	;

namespace unocontrols{

//______________________________________________________________________________________________________________
//	construct/destruct
//______________________________________________________________________________________________________________

OConnectionPointContainerHelper::OConnectionPointContainerHelper( Mutex& aMutex )
	: m_aSharedMutex		( aMutex	)
	, m_aMultiTypeContainer	( aMutex	)
{
}

OConnectionPointContainerHelper::~OConnectionPointContainerHelper()
{
}

//____________________________________________________________________________________________________________
//	XInterface
//____________________________________________________________________________________________________________

Any SAL_CALL OConnectionPointContainerHelper::queryInterface( const Type& aType ) throw( RuntimeException )
{
	// Attention:
	//	Don't use mutex or guard in this method!!! Is a method of XInterface.

	// Ask for my own supported interfaces ...
	Any aReturn	( ::cppu::queryInterface(	aType												,
									   		static_cast< XConnectionPointContainer*	> ( this )
										)
				);

	// If searched interface not supported by this class ...
	if ( aReturn.hasValue() == sal_False )
	{
		// ... ask baseclasses.
		aReturn = OWeakObject::queryInterface( aType );
	}

	return aReturn ;
}

//____________________________________________________________________________________________________________
//	XInterface
//____________________________________________________________________________________________________________

void SAL_CALL OConnectionPointContainerHelper::acquire() throw()
{
	// Attention:
	//	Don't use mutex or guard in this method!!! Is a method of XInterface.

	// Forward to baseclass
	OWeakObject::acquire();
}

//____________________________________________________________________________________________________________
//	XInterface
//____________________________________________________________________________________________________________

void SAL_CALL OConnectionPointContainerHelper::release() throw()
{
	// Attention:
	//	Don't use mutex or guard in this method!!! Is a method of XInterface.

	// Forward to baseclass
	OWeakObject::release();
}

//______________________________________________________________________________________________________________
//	XConnectionPointContainer
//______________________________________________________________________________________________________________

Sequence< Type > SAL_CALL OConnectionPointContainerHelper::getConnectionPointTypes() throw( RuntimeException )
{
	// Container is threadsafe himself !
	return m_aMultiTypeContainer.getContainedTypes();
}

//______________________________________________________________________________________________________________
//	XConnectionPointContainer
//______________________________________________________________________________________________________________

Reference< XConnectionPoint > SAL_CALL OConnectionPointContainerHelper::queryConnectionPoint( const Type& aType ) throw( RuntimeException )
{
	// Set default return value, if method failed.
	Reference< XConnectionPoint > xConnectionPoint = Reference< XConnectionPoint >();

	// Get all elements of the container, which have the searched type.
	OInterfaceContainerHelper* pSpecialContainer = m_aMultiTypeContainer.getContainer( aType );
	if ( pSpecialContainer && pSpecialContainer->getLength() > 0 )
	{
		// Ready for multithreading
		MutexGuard aGuard( m_aSharedMutex );
		// If this container contains elements, build a connectionpoint-instance.
		OConnectionPointHelper* pNewConnectionPoint = new OConnectionPointHelper( m_aSharedMutex, this, aType );
		xConnectionPoint = Reference< XConnectionPoint >( (OWeakObject*)pNewConnectionPoint, UNO_QUERY );
	}

	return xConnectionPoint ;
}

//______________________________________________________________________________________________________________
//	XConnectionPointContainer
//______________________________________________________________________________________________________________

void SAL_CALL OConnectionPointContainerHelper::advise(	const	Type&	   					aType		,
														const	Reference< XInterface >&	xListener	) throw( RuntimeException )
{
	// Container is threadsafe himself !
	m_aMultiTypeContainer.addInterface( aType, xListener );
}

//______________________________________________________________________________________________________________
//	XConnectionPointContainer
//______________________________________________________________________________________________________________

void SAL_CALL OConnectionPointContainerHelper::unadvise(	const	Type&	   					aType		,
															const	Reference< XInterface >&	xListener	) throw( RuntimeException )
{
	// Container is threadsafe himself !
	m_aMultiTypeContainer.removeInterface( aType, xListener );
}

//______________________________________________________________________________________________________________
//	public but impl method!
//	Is neccessary to get container member at OConnectionPoint-instance.
//______________________________________________________________________________________________________________

OMultiTypeInterfaceContainerHelper& OConnectionPointContainerHelper::impl_getMultiTypeContainer()
{
	// Impl methods are not threadsafe!
	// "Parent" function must do this.
	return m_aMultiTypeContainer;
}

}	// namespace unocontrols