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/* -*- 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 "apitools.hxx"
#include "dbastrings.hrc"
#include <cppuhelper/typeprovider.hxx>
#include <com/sun/star/lang/XServiceInfo.hpp>
#include <osl/diagnose.h>
#include <tools/debug.hxx>
using namespace ::com::sun::star::uno;
using namespace ::com::sun::star::lang;
using namespace cppu;
using namespace osl;
using namespace dbaccess;
//==================================================================================
//= various helper functions
//==================================================================================
//============================================================
//= OSubComponent
//============================================================
DBG_NAME(OSubComponent)
//--------------------------------------------------------------------------
OSubComponent::OSubComponent(Mutex& _rMutex, const Reference< XInterface > & xParent)
:OComponentHelper(_rMutex)
,m_xParent(xParent)
{
DBG_CTOR(OSubComponent,NULL);
}
// -----------------------------------------------------------------------------
OSubComponent::~OSubComponent()
{
m_xParent = NULL;
DBG_DTOR(OSubComponent,NULL);
}
// com::sun::star::lang::XTypeProvider
//--------------------------------------------------------------------------
Sequence< Type > OSubComponent::getTypes() throw (RuntimeException)
{
OTypeCollection aTypes(::getCppuType( (const Reference< XComponent > *)0 ),
::getCppuType( (const Reference< XTypeProvider > *)0 ),
::getCppuType( (const Reference< XWeak > *)0 ));
return aTypes.getTypes();
}
// XInterface
//--------------------------------------------------------------------------
void OSubComponent::acquire() throw ( )
{
OComponentHelper::acquire();
}
//--------------------------------------------------------------------------
void OSubComponent::release() throw ( )
{
Reference< XInterface > x( xDelegator );
if (! x.is())
{
if (osl_atomic_decrement( &m_refCount ) == 0 )
{
if (! rBHelper.bDisposed)
{
// *before* again incrementing our ref count, ensure that our weak connection point
// will not create references to us anymore (via XAdapter::queryAdapted)
disposeWeakConnectionPoint();
Reference< XInterface > xHoldAlive( *this );
// remember the parent
Reference< XInterface > xParent;
{
MutexGuard aGuard( rBHelper.rMutex );
xParent = m_xParent;
m_xParent = NULL;
}
OSL_ENSURE( m_refCount == 1, "OSubComponent::release: invalid ref count (before dispose)!" );
// First dispose
dispose();
// only the alive ref holds the object
OSL_ENSURE( m_refCount == 1, "OSubComponent::release: invalid ref count (after dispose)!" );
// release the parent in the ~
if (xParent.is())
{
MutexGuard aGuard( rBHelper.rMutex );
m_xParent = xParent;
}
// destroy the object if xHoldAlive decrement the refcount to 0
return;
}
}
// restore the reference count
osl_atomic_increment( &m_refCount );
}
// as we cover the job of the componenthelper we use the ...
OWeakAggObject::release();
}
//--------------------------------------------------------------------------
Any OSubComponent::queryInterface( const Type & rType ) throw(RuntimeException)
{
Any aReturn;
if (!rType.equals(::getCppuType(static_cast< Reference< XAggregation >* >(NULL))))
aReturn = OComponentHelper::queryInterface(rType);
return aReturn;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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