284 lines
12 KiB
C++
284 lines
12 KiB
C++
/*************************************************************************
|
|
*
|
|
* OpenOffice.org - a multi-platform office productivity suite
|
|
*
|
|
* $RCSfile: OConnectionPointHelper.cxx,v $
|
|
*
|
|
* $Revision: 1.3 $
|
|
*
|
|
* last change: $Author: rt $ $Date: 2005-09-09 09:17:39 $
|
|
*
|
|
* The Contents of this file are made available subject to
|
|
* the terms of GNU Lesser General Public License Version 2.1.
|
|
*
|
|
*
|
|
* GNU Lesser General Public License Version 2.1
|
|
* =============================================
|
|
* Copyright 2005 by Sun Microsystems, Inc.
|
|
* 901 San Antonio Road, Palo Alto, CA 94303, USA
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License version 2.1, as published by the Free Software Foundation.
|
|
*
|
|
* This library is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with this library; if not, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
|
|
* MA 02111-1307 USA
|
|
*
|
|
************************************************************************/
|
|
|
|
//______________________________________________________________________________________________________________
|
|
// my own include
|
|
//______________________________________________________________________________________________________________
|
|
|
|
#ifndef _OCONNECTIONPOINTHELPER_HXX
|
|
#include "OConnectionPointHelper.hxx"
|
|
#endif
|
|
|
|
//______________________________________________________________________________________________________________
|
|
// includes of other projects
|
|
//______________________________________________________________________________________________________________
|
|
|
|
//______________________________________________________________________________________________________________
|
|
// include of my own project
|
|
//______________________________________________________________________________________________________________
|
|
|
|
#ifndef _OCONNECTIONPOINTCONTAINERHELPER_HXX
|
|
#include "OConnectionPointContainerHelper.hxx"
|
|
#endif
|
|
|
|
//______________________________________________________________________________________________________________
|
|
// 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
|
|
//______________________________________________________________________________________________________________
|
|
|
|
OConnectionPointHelper::OConnectionPointHelper( Mutex& aMutex ,
|
|
OConnectionPointContainerHelper* pContainerImplementation ,
|
|
UNO3_TYPE aType )
|
|
: m_aSharedMutex ( aMutex )
|
|
, m_oContainerWeakReference ( pContainerImplementation )
|
|
, m_pContainerImplementation ( pContainerImplementation )
|
|
, m_aInterfaceType ( aType )
|
|
{
|
|
}
|
|
|
|
OConnectionPointHelper::~OConnectionPointHelper()
|
|
{
|
|
}
|
|
|
|
//____________________________________________________________________________________________________________
|
|
// XInterface
|
|
//____________________________________________________________________________________________________________
|
|
|
|
Any SAL_CALL OConnectionPointHelper::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< XConnectionPoint* > ( 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 OConnectionPointHelper::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 OConnectionPointHelper::release() throw()
|
|
{
|
|
// Attention:
|
|
// Don't use mutex or guard in this method!!! Is a method of XInterface.
|
|
|
|
// Forward to baseclass
|
|
OWeakObject::release();
|
|
}
|
|
|
|
//______________________________________________________________________________________________________________
|
|
// XConnectionPoint
|
|
//______________________________________________________________________________________________________________
|
|
|
|
Type SAL_CALL OConnectionPointHelper::getConnectionType() throw( RuntimeException )
|
|
{
|
|
// Ready for multithreading
|
|
MutexGuard aGuard( m_aSharedMutex );
|
|
|
|
// Set default return value, if method failed.
|
|
if ( impl_LockContainer() == sal_False )
|
|
{
|
|
// Container not exist! Its an runtime error.
|
|
throw RuntimeException();
|
|
}
|
|
|
|
// If container reference valid, return right type of supported interfaces of THIS connectionpoint.
|
|
Type aReturnType = m_aInterfaceType ;
|
|
// Don't forget this!
|
|
impl_UnlockContainer();
|
|
|
|
return aReturnType;
|
|
}
|
|
|
|
//______________________________________________________________________________________________________________
|
|
// XConnectionPoint
|
|
//______________________________________________________________________________________________________________
|
|
|
|
Reference< XConnectionPointContainer > SAL_CALL OConnectionPointHelper::getConnectionPointContainer() throw( RuntimeException )
|
|
{
|
|
// Ready for multithreading
|
|
MutexGuard aGuard( m_aSharedMutex );
|
|
// Convert weakreference to correct uno3-reference and return value. It can be NULL, if container destroyed!
|
|
return Reference< XConnectionPointContainer >( m_oContainerWeakReference.get(), UNO_QUERY );
|
|
}
|
|
|
|
//______________________________________________________________________________________________________________
|
|
// XConnectionPoint
|
|
//______________________________________________________________________________________________________________
|
|
|
|
void SAL_CALL OConnectionPointHelper::advise( const Reference< XInterface >& xListener ) throw( ListenerExistException ,
|
|
InvalidListenerException ,
|
|
RuntimeException )
|
|
{
|
|
// Ready for multithreading
|
|
MutexGuard aGuard( m_aSharedMutex );
|
|
|
|
// If type of listener not the same for this special container ...
|
|
Any aCheckType = xListener->queryInterface( m_aInterfaceType );
|
|
if ( aCheckType.hasValue() )
|
|
{
|
|
// ... throw an exception.
|
|
throw InvalidListenerException();
|
|
}
|
|
|
|
// ListenerExistException is obsolete!?
|
|
// Its the same container for XConnectionPointContainer and XConnectionPoint. But only here we must control, if a listener already exist!?
|
|
// You can add a listener more then one time at XConnectionPointContainer, but here only one ...
|
|
|
|
// Operation is permitted only, if reference to container is valid!
|
|
if ( impl_LockContainer() == sal_False )
|
|
{
|
|
// Container not exist! Its an runtime error.
|
|
throw RuntimeException();
|
|
}
|
|
// Forward it to OConnectionPointHelperContainer!
|
|
m_pContainerImplementation->advise( m_aInterfaceType, xListener );
|
|
// Don't forget this!
|
|
impl_UnlockContainer();
|
|
}
|
|
|
|
//______________________________________________________________________________________________________________
|
|
// XConnectionPoint
|
|
//______________________________________________________________________________________________________________
|
|
|
|
void SAL_CALL OConnectionPointHelper::unadvise( const Reference< XInterface >& xListener ) throw( RuntimeException )
|
|
{
|
|
// Ready for multithreading
|
|
MutexGuard aGuard( m_aSharedMutex );
|
|
// Operation is permitted only, if reference to container is valid!
|
|
if ( impl_LockContainer() == sal_False )
|
|
{
|
|
// Container not exist! Its an runtime error.
|
|
throw RuntimeException();
|
|
|
|
}
|
|
// Forward it to OConnectionPointHelperContainer!
|
|
m_pContainerImplementation->unadvise( m_aInterfaceType, xListener );
|
|
// Don't forget this!
|
|
impl_UnlockContainer();
|
|
}
|
|
|
|
//______________________________________________________________________________________________________________
|
|
// XConnectionPoint
|
|
//______________________________________________________________________________________________________________
|
|
|
|
Sequence< Reference< XInterface > > SAL_CALL OConnectionPointHelper::getConnections() throw( RuntimeException )
|
|
{
|
|
// Ready for multithreading
|
|
MutexGuard aGuard( m_aSharedMutex );
|
|
// Operation is permitted only, if reference to container is valid!
|
|
if ( impl_LockContainer() == sal_False )
|
|
{
|
|
// Container not exist! Its an runtime error.
|
|
throw RuntimeException();
|
|
}
|
|
// Set default return value, if method failed.
|
|
Sequence< Reference< XInterface > > seqReturnConnections = Sequence< Reference< XInterface > >();
|
|
// Get reference to private member of OConnectionPointHelperContainer!
|
|
OMultiTypeInterfaceContainerHelper& aSharedContainer = m_pContainerImplementation->impl_getMultiTypeContainer();
|
|
// Get pointer to specialized container which hold all interfaces of searched type.
|
|
OInterfaceContainerHelper* pSpecialContainer = aSharedContainer.getContainer( m_aInterfaceType );
|
|
// Get elements of searched type, if somelse exist.
|
|
if ( pSpecialContainer != NULL )
|
|
{
|
|
seqReturnConnections = pSpecialContainer->getElements();
|
|
}
|
|
// Don't forget this!
|
|
impl_UnlockContainer();
|
|
|
|
return seqReturnConnections;
|
|
}
|
|
|
|
//______________________________________________________________________________________________________________
|
|
// private method
|
|
//______________________________________________________________________________________________________________
|
|
|
|
sal_Bool OConnectionPointHelper::impl_LockContainer()
|
|
{
|
|
// Convert weakreference to hard uno3-reference and return state.
|
|
// If this reference different from NULL, there exist a hard reference to container. Container-instance can't be destroyed.
|
|
// Don't forget to "unlock" this reference!
|
|
m_xLock = m_oContainerWeakReference.get();
|
|
return m_xLock.is();
|
|
}
|
|
|
|
//______________________________________________________________________________________________________________
|
|
// private method
|
|
//______________________________________________________________________________________________________________
|
|
|
|
void OConnectionPointHelper::impl_UnlockContainer()
|
|
{
|
|
// Free hard uno3-reference to container.
|
|
// see also "impl_LockContainer()"
|
|
m_xLock = Reference< XInterface >();
|
|
}
|
|
|
|
} // namespace unocontrols
|