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office-gobmx/cppuhelper/source/interfacecontainer.cxx
Oliver Bolte 414a1433dc INTEGRATION: CWS pchfix02 (1.15.14); FILE MERGED 
2006/09/01 17:23:18 kaib 1.15.14.1: #i68856# Added header markers and pch files
2006-09-16 11:41:22 +00:00

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/*************************************************************************
*
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: interfacecontainer.cxx,v $
*
* $Revision: 1.16 $
*
* last change: $Author: obo $ $Date: 2006-09-16 12:41:22 $
*
* 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
*
************************************************************************/
// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_cppuhelper.hxx"
#include <cppuhelper/interfacecontainer.hxx>
#include <cppuhelper/queryinterface.hxx>
#include <cppuhelper/propshlp.hxx>
#include <osl/diagnose.h>
#include <osl/mutex.hxx>
#include <hash_map>
#if OSL_DEBUG_LEVEL == 0
# ifndef NDEBUG
# define NDEBUG
# endif
#endif
#include <assert.h>
#include <com/sun/star/lang/XEventListener.hpp>
using namespace osl;
using namespace com::sun::star::uno;
using namespace com::sun::star::lang;
namespace cppu
{
//===================================================================
//===================================================================
//===================================================================
/**
* Reallocate the sequence.
*/
static void realloc( Sequence< Reference< XInterface > > & rSeq, sal_Int32 nNewLen )
SAL_THROW( () )
{
rSeq.realloc( nNewLen );
}
/**
* Remove an element from an interface sequence.
*/
static void sequenceRemoveElementAt( Sequence< Reference< XInterface > > & rSeq, sal_Int32 index )
SAL_THROW( () )
{
sal_Int32 nNewLen = rSeq.getLength() - 1;
Sequence< Reference< XInterface > > aDestSeq( rSeq.getLength() - 1 );
// getArray on a const sequence is faster
const Reference< XInterface > * pSource = ((const Sequence< Reference< XInterface > > &)rSeq).getConstArray();
Reference< XInterface > * pDest = aDestSeq.getArray();
sal_Int32 i = 0;
for( ; i < index; i++ )
pDest[i] = pSource[i];
for( sal_Int32 j = i ; j < nNewLen; j++ )
pDest[j] = pSource[j+1];
rSeq = aDestSeq;
}
//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
#ifdef SAL_WNT
#pragma warning( disable: 4786 )
#endif
//===================================================================
//===================================================================
//===================================================================
OInterfaceIteratorHelper::OInterfaceIteratorHelper( OInterfaceContainerHelper & rCont_ )
SAL_THROW( () )
: rCont( rCont_ )
{
MutexGuard aGuard( rCont.rMutex );
if( rCont.bInUse )
// worst case, two iterators at the same time
rCont.copyAndResetInUse();
bIsList = rCont_.bIsList;
pData = rCont_.pData;
if( bIsList )
{
rCont.bInUse = sal_True;
nRemain = ((Sequence< Reference< XInterface > >*)pData)->getLength();
}
else if( pData )
{
((XInterface *)pData)->acquire();
nRemain = 1;
}
else
nRemain = 0;
}
OInterfaceIteratorHelper::~OInterfaceIteratorHelper() SAL_THROW( () )
{
sal_Bool bShared;
{
MutexGuard aGuard( rCont.rMutex );
// bResetInUse protect the iterator against recursion
bShared = pData == rCont.pData && rCont.bIsList;
if( bShared )
{
OSL_ENSURE( rCont.bInUse, "OInterfaceContainerHelper must be in use" );
rCont.bInUse = sal_False;
}
}
if( !bShared )
{
if( bIsList )
// Sequence owned by the iterator
delete (Sequence< Reference< XInterface > >*)pData;
else if( pData )
// Interface is acquired by the iterator
((XInterface*)pData)->release();
}
}
XInterface * OInterfaceIteratorHelper::next() SAL_THROW( () )
{
if( nRemain )
{
nRemain--;
if( bIsList )
// typecase to const,so the getArray method is faster
return ((const Sequence< Reference< XInterface > >*)pData)->getConstArray()[nRemain].get();
else if( pData )
return (XInterface*)pData;
}
// exception
return 0;
}
void OInterfaceIteratorHelper::remove() SAL_THROW( () )
{
if( bIsList )
{
OSL_ASSERT( nRemain >= 0 &&
nRemain < ((const Sequence< Reference< XInterface > >*)pData)->getLength() );
XInterface * p =
((const Sequence< Reference< XInterface > >*)pData)->getConstArray()[nRemain].get();
rCont.removeInterface( * reinterpret_cast< const Reference< XInterface > * >( &p ) );
}
else
{
OSL_ASSERT( 0 == nRemain );
rCont.removeInterface( * reinterpret_cast< const Reference< XInterface > * >(&pData));
}
}
//===================================================================
//===================================================================
//===================================================================
OInterfaceContainerHelper::OInterfaceContainerHelper( Mutex & rMutex_ ) SAL_THROW( () )
: pData( 0 )
, rMutex( rMutex_ )
, bInUse( sal_False )
, bIsList( sal_False )
{
}
OInterfaceContainerHelper::~OInterfaceContainerHelper() SAL_THROW( () )
{
OSL_ENSURE( !bInUse, "~OInterfaceContainerHelper but is in use" );
if( bIsList )
delete (Sequence< Reference< XInterface > >*)pData;
else if( pData )
((XInterface*)pData)->release();
}
sal_Int32 OInterfaceContainerHelper::getLength() const SAL_THROW( () )
{
MutexGuard aGuard( rMutex );
if( bIsList )
return ((Sequence< Reference< XInterface > >*)pData)->getLength();
else if( pData )
return 1;
return 0;
}
Sequence< Reference<XInterface> > OInterfaceContainerHelper::getElements() const SAL_THROW( () )
{
MutexGuard aGuard( rMutex );
if( bIsList )
return *(Sequence< Reference< XInterface > >*)pData;
else if( pData )
{
Reference<XInterface> x( (XInterface *)pData );
return Sequence< Reference< XInterface > >( &x, 1 );
}
return Sequence< Reference< XInterface > >();
}
void OInterfaceContainerHelper::copyAndResetInUse() SAL_THROW( () )
{
OSL_ENSURE( bInUse, "OInterfaceContainerHelper not in use" );
if( bInUse )
{
// this should be the worst case. If a iterator is active
// and a new Listener is added.
if( bIsList )
pData = new Sequence< Reference< XInterface > >( *(Sequence< Reference< XInterface > >*)pData );
else if( pData )
((XInterface*)pData)->acquire();
bInUse = sal_False;
}
}
sal_Int32 OInterfaceContainerHelper::addInterface( const Reference<XInterface> & rListener ) SAL_THROW( () )
{
OSL_ASSERT( rListener.is() );
MutexGuard aGuard( rMutex );
if( bInUse )
copyAndResetInUse();
if( bIsList )
{
sal_Int32 nLen = ((Sequence< Reference< XInterface > >*)pData)->getLength();
realloc( *(Sequence< Reference< XInterface > >*)pData, nLen +1 );
((Sequence< Reference< XInterface > >*)pData)->getArray()[ nLen ] = rListener;
return nLen +1;
}
else if( pData )
{
Sequence< Reference< XInterface > > * pSeq = new Sequence< Reference< XInterface > >( 2 );
Reference<XInterface> * pArray = pSeq->getArray();
pArray[0] = (XInterface *)pData;
pArray[1] = rListener;
((XInterface *)pData)->release();
pData = pSeq;
bIsList = sal_True;
return 2;
}
else
{
pData = rListener.get();
if( rListener.is() )
rListener->acquire();
return 1;
}
}
sal_Int32 OInterfaceContainerHelper::removeInterface( const Reference<XInterface> & rListener ) SAL_THROW( () )
{
OSL_ASSERT( rListener.is() );
MutexGuard aGuard( rMutex );
if( bInUse )
copyAndResetInUse();
if( bIsList )
{
const Reference<XInterface> * pL = ((const Sequence< Reference< XInterface > >*)pData)->getConstArray();
sal_Int32 nLen = ((Sequence< Reference< XInterface > >*)pData)->getLength();
sal_Int32 i;
for( i = 0; i < nLen; i++ )
{
// It is not valid to compare the Pointer direkt, but is is is much
// more faster.
if( pL[i].get() == rListener.get() )
{
sequenceRemoveElementAt( *(Sequence< Reference< XInterface > >*)pData, i );
break;
}
}
if( i == nLen )
{
// interface not found, use the correct compare method
for( i = 0; i < nLen; i++ )
{
if( pL[i] == rListener )
{
sequenceRemoveElementAt(*(Sequence< Reference< XInterface > >*)pData, i );
break;
}
}
}
if( ((Sequence< Reference< XInterface > >*)pData)->getLength() == 1 )
{
XInterface * p = ((const Sequence< Reference< XInterface > >*)pData)->getConstArray()[0].get();
p->acquire();
delete (Sequence< Reference< XInterface > >*)pData;
pData = p;
bIsList = sal_False;
return 1;
}
else
return ((Sequence< Reference< XInterface > >*)pData)->getLength();
}
else if( pData && Reference<XInterface>( (XInterface*)pData ) == rListener )
{
((XInterface *)pData)->release();
pData = 0;
}
return pData ? 1 : 0;
}
void OInterfaceContainerHelper::disposeAndClear( const EventObject & rEvt ) SAL_THROW( () )
{
ClearableMutexGuard aGuard( rMutex );
OInterfaceIteratorHelper aIt( *this );
// Container freigeben, falls im disposing neue Eintr<74>ge kommen
OSL_ENSURE( !bIsList || bInUse, "OInterfaceContainerHelper not in use" );
if( !bIsList && pData )
((XInterface *)pData)->release();
// set the member to null, the iterator delete the values
pData = NULL;
bIsList = sal_False;
bInUse = sal_False;
aGuard.clear();
while( aIt.hasMoreElements() )
{
try
{
Reference<XEventListener > xLst( aIt.next(), UNO_QUERY );
if( xLst.is() )
xLst->disposing( rEvt );
}
catch ( RuntimeException & )
{
// be robust, if e.g. a remote bridge has disposed already.
// there is no way, to delegate the error to the caller :o(.
}
}
}
void OInterfaceContainerHelper::clear() SAL_THROW( () )
{
ClearableMutexGuard aGuard( rMutex );
OInterfaceIteratorHelper aIt( *this );
// Container freigeben, falls im disposing neue Eintr<74>ge kommen
OSL_ENSURE( !bIsList || bInUse, "OInterfaceContainerHelper not in use" );
if( !bIsList && pData )
((XInterface *)pData)->release();
// set the member to null, the iterator delete the values
pData = 0;
bIsList = sal_False;
bInUse = sal_False;
// release mutex before aIt destructor call
aGuard.clear();
}
//##################################################################################################
//##################################################################################################
//##################################################################################################
// specialized class for type
typedef ::std::hash_map< Type , void* , hashType_Impl , ::std::equal_to< Type > > t_type2ptr;
OMultiTypeInterfaceContainerHelper::OMultiTypeInterfaceContainerHelper( Mutex & rMutex_ )
SAL_THROW( () )
: rMutex( rMutex_ )
{
m_pMap = new t_type2ptr();
}
OMultiTypeInterfaceContainerHelper::~OMultiTypeInterfaceContainerHelper()
SAL_THROW( () )
{
t_type2ptr * pMap = (t_type2ptr *)m_pMap;
t_type2ptr::iterator iter = pMap->begin();
t_type2ptr::iterator end = pMap->end();
while( iter != end )
{
delete (OInterfaceContainerHelper*)(*iter).second;
(*iter).second = 0;
++iter;
}
delete pMap;
}
Sequence< Type > OMultiTypeInterfaceContainerHelper::getContainedTypes() const
SAL_THROW( () )
{
t_type2ptr * pMap = (t_type2ptr *)m_pMap;
t_type2ptr::size_type nSize;
::osl::MutexGuard aGuard( rMutex );
nSize = pMap->size();
if( nSize )
{
::com::sun::star::uno::Sequence< Type > aInterfaceTypes( nSize );
Type * pArray = aInterfaceTypes.getArray();
t_type2ptr::iterator iter = pMap->begin();
t_type2ptr::iterator end = pMap->end();
sal_Int32 i = 0;
while( iter != end )
{
// are interfaces added to this container?
if( ((OInterfaceContainerHelper*)(*iter).second)->getLength() )
// yes, put the type in the array
pArray[i++] = (*iter).first;
++iter;
}
if( (t_type2ptr::size_type)i != nSize ) {
// may be empty container, reduce the sequence to the right size
aInterfaceTypes = ::com::sun::star::uno::Sequence< Type >( pArray, i );
}
return aInterfaceTypes;
}
return ::com::sun::star::uno::Sequence< Type >();
}
OInterfaceContainerHelper * OMultiTypeInterfaceContainerHelper::getContainer( const Type & rKey ) const
SAL_THROW( () )
{
::osl::MutexGuard aGuard( rMutex );
t_type2ptr * pMap = (t_type2ptr *)m_pMap;
t_type2ptr::iterator iter = pMap->find( rKey );
if( iter != pMap->end() )
return (OInterfaceContainerHelper*) (*iter).second;
return 0;
}
sal_Int32 OMultiTypeInterfaceContainerHelper::addInterface(
const Type & rKey, const Reference< XInterface > & rListener )
SAL_THROW( () )
{
::osl::MutexGuard aGuard( rMutex );
t_type2ptr * pMap = (t_type2ptr *)m_pMap;
t_type2ptr::iterator iter = pMap->find( rKey );
if( iter == pMap->end() )
{
OInterfaceContainerHelper * pLC = new OInterfaceContainerHelper( rMutex );
(*pMap)[rKey] = pLC;
return pLC->addInterface( rListener );
}
else
return ((OInterfaceContainerHelper*)(*iter).second)->addInterface( rListener );
}
sal_Int32 OMultiTypeInterfaceContainerHelper::removeInterface(
const Type & rKey, const Reference< XInterface > & rListener )
SAL_THROW( () )
{
::osl::MutexGuard aGuard( rMutex );
// search container with id nUik
t_type2ptr * pMap = (t_type2ptr *)m_pMap;
t_type2ptr::iterator iter = pMap->find( rKey );
// container found?
if( iter != pMap->end() )
return ((OInterfaceContainerHelper*)(*iter).second)->removeInterface( rListener );
// no container with this id. Always return 0
return 0;
}
void OMultiTypeInterfaceContainerHelper::disposeAndClear( const EventObject & rEvt )
SAL_THROW( () )
{
t_type2ptr::size_type nSize = 0;
OInterfaceContainerHelper ** ppListenerContainers = NULL;
{
::osl::MutexGuard aGuard( rMutex );
t_type2ptr * pMap = (t_type2ptr *)m_pMap;
nSize = pMap->size();
if( nSize )
{
typedef OInterfaceContainerHelper* ppp;
ppListenerContainers = new ppp[nSize];
//ppListenerContainers = new (ListenerContainer*)[nSize];
t_type2ptr::iterator iter = pMap->begin();
t_type2ptr::iterator end = pMap->end();
t_type2ptr::size_type i = 0;
while( iter != end )
{
ppListenerContainers[i++] = (OInterfaceContainerHelper*)(*iter).second;
++iter;
}
}
}
// create a copy, because do not fire event in a guarded section
for( t_type2ptr::size_type i = 0;
i < nSize; i++ )
{
if( ppListenerContainers[i] )
ppListenerContainers[i]->disposeAndClear( rEvt );
}
delete [] ppListenerContainers;
}
void OMultiTypeInterfaceContainerHelper::clear()
SAL_THROW( () )
{
::osl::MutexGuard aGuard( rMutex );
t_type2ptr * pMap = (t_type2ptr *)m_pMap;
t_type2ptr::iterator iter = pMap->begin();
t_type2ptr::iterator end = pMap->end();
while( iter != end )
{
((OInterfaceContainerHelper*)(*iter).second)->clear();
++iter;
}
}
//##################################################################################################
//##################################################################################################
//##################################################################################################
// specialized class for long
typedef ::std::hash_map< sal_Int32 , void* , hashInt32_Impl , equalInt32_Impl > t_long2ptr;
OMultiTypeInterfaceContainerHelperInt32::OMultiTypeInterfaceContainerHelperInt32( Mutex & rMutex_ )
SAL_THROW( () )
: rMutex( rMutex_ )
{
m_pMap = new t_long2ptr();
}
OMultiTypeInterfaceContainerHelperInt32::~OMultiTypeInterfaceContainerHelperInt32()
SAL_THROW( () )
{
t_long2ptr * pMap = (t_long2ptr *)m_pMap;
t_long2ptr::iterator iter = pMap->begin();
t_long2ptr::iterator end = pMap->end();
while( iter != end )
{
delete (OInterfaceContainerHelper*)(*iter).second;
(*iter).second = 0;
++iter;
}
delete pMap;
}
Sequence< sal_Int32 > OMultiTypeInterfaceContainerHelperInt32::getContainedTypes() const
SAL_THROW( () )
{
t_long2ptr * pMap = (t_long2ptr *)m_pMap;
t_long2ptr::size_type nSize;
::osl::MutexGuard aGuard( rMutex );
nSize = pMap->size();
if( nSize )
{
::com::sun::star::uno::Sequence< sal_Int32 > aInterfaceTypes( nSize );
sal_Int32 * pArray = aInterfaceTypes.getArray();
t_long2ptr::iterator iter = pMap->begin();
t_long2ptr::iterator end = pMap->end();
sal_Int32 i = 0;
while( iter != end )
{
// are interfaces added to this container?
if( ((OInterfaceContainerHelper*)(*iter).second)->getLength() )
// yes, put the type in the array
pArray[i++] = (*iter).first;
++iter;
}
if( (t_long2ptr::size_type)i != nSize ) {
// may be empty container, reduce the sequence to the right size
aInterfaceTypes = ::com::sun::star::uno::Sequence< sal_Int32 >( pArray, i );
}
return aInterfaceTypes;
}
return ::com::sun::star::uno::Sequence< sal_Int32 >();
}
OInterfaceContainerHelper * OMultiTypeInterfaceContainerHelperInt32::getContainer( const sal_Int32 & rKey ) const
SAL_THROW( () )
{
::osl::MutexGuard aGuard( rMutex );
t_long2ptr * pMap = (t_long2ptr *)m_pMap;
t_long2ptr::iterator iter = pMap->find( rKey );
if( iter != pMap->end() )
return (OInterfaceContainerHelper*) (*iter).second;
return 0;
}
sal_Int32 OMultiTypeInterfaceContainerHelperInt32::addInterface(
const sal_Int32 & rKey, const Reference< XInterface > & rListener )
SAL_THROW( () )
{
::osl::MutexGuard aGuard( rMutex );
t_long2ptr * pMap = (t_long2ptr *)m_pMap;
t_long2ptr::iterator iter = pMap->find( rKey );
if( iter == pMap->end() )
{
OInterfaceContainerHelper * pLC = new OInterfaceContainerHelper( rMutex );
(*pMap)[rKey] = pLC;
return pLC->addInterface( rListener );
}
else
return ((OInterfaceContainerHelper*)(*iter).second)->addInterface( rListener );
}
sal_Int32 OMultiTypeInterfaceContainerHelperInt32::removeInterface(
const sal_Int32 & rKey, const Reference< XInterface > & rListener )
SAL_THROW( () )
{
::osl::MutexGuard aGuard( rMutex );
// search container with id nUik
t_long2ptr * pMap = (t_long2ptr *)m_pMap;
t_long2ptr::iterator iter = pMap->find( rKey );
// container found?
if( iter != pMap->end() )
return ((OInterfaceContainerHelper*)(*iter).second)->removeInterface( rListener );
// no container with this id. Always return 0
return 0;
}
void OMultiTypeInterfaceContainerHelperInt32::disposeAndClear( const EventObject & rEvt )
SAL_THROW( () )
{
t_long2ptr::size_type nSize = 0;
OInterfaceContainerHelper ** ppListenerContainers = NULL;
{
::osl::MutexGuard aGuard( rMutex );
t_long2ptr * pMap = (t_long2ptr *)m_pMap;
nSize = pMap->size();
if( nSize )
{
typedef OInterfaceContainerHelper* ppp;
ppListenerContainers = new ppp[nSize];
//ppListenerContainers = new (ListenerContainer*)[nSize];
t_long2ptr::iterator iter = pMap->begin();
t_long2ptr::iterator end = pMap->end();
t_long2ptr::size_type i = 0;
while( iter != end )
{
ppListenerContainers[i++] = (OInterfaceContainerHelper*)(*iter).second;
++iter;
}
}
}
// create a copy, because do not fire event in a guarded section
for( t_long2ptr::size_type i = 0;
i < nSize; i++ )
{
if( ppListenerContainers[i] )
ppListenerContainers[i]->disposeAndClear( rEvt );
}
delete [] ppListenerContainers;
}
void OMultiTypeInterfaceContainerHelperInt32::clear()
SAL_THROW( () )
{
::osl::MutexGuard aGuard( rMutex );
t_long2ptr * pMap = (t_long2ptr *)m_pMap;
t_long2ptr::iterator iter = pMap->begin();
t_long2ptr::iterator end = pMap->end();
while( iter != end )
{
((OInterfaceContainerHelper*)(*iter).second)->clear();
++iter;
}
}
}
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