Line data    Source code

       1             : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
       2             : /*
       3             :  * This file is part of the LibreOffice project.
       4             :  *
       5             :  * This Source Code Form is subject to the terms of the Mozilla Public
       6             :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       7             :  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
       8             :  *
       9             :  * This file incorporates work covered by the following license notice:
      10             :  *
      11             :  *   Licensed to the Apache Software Foundation (ASF) under one or more
      12             :  *   contributor license agreements. See the NOTICE file distributed
      13             :  *   with this work for additional information regarding copyright
      14             :  *   ownership. The ASF licenses this file to you under the Apache
      15             :  *   License, Version 2.0 (the "License"); you may not use this file
      16             :  *   except in compliance with the License. You may obtain a copy of
      17             :  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
      18             :  */
      19             : 
      20             : 
      21             : #include "apitools.hxx"
      22             : #include "dbastrings.hrc"
      23             : #include <cppuhelper/typeprovider.hxx>
      24             : #include <com/sun/star/lang/XServiceInfo.hpp>
      25             : #include <osl/diagnose.h>
      26             : #include <tools/debug.hxx>
      27             : 
      28             : using namespace ::com::sun::star::uno;
      29             : using namespace ::com::sun::star::lang;
      30             : using namespace cppu;
      31             : using namespace osl;
      32             : using namespace dbaccess;
      33             : 
      34             : //==================================================================================
      35             : //= various helper functions
      36             : //==================================================================================
      37             : //============================================================
      38             : //= OSubComponent
      39             : //============================================================
      40             : DBG_NAME(OSubComponent)
      41             : //--------------------------------------------------------------------------
      42           0 : OSubComponent::OSubComponent(Mutex& _rMutex, const Reference< XInterface > & xParent)
      43             :               :OComponentHelper(_rMutex)
      44           0 :               ,m_xParent(xParent)
      45             : {
      46             :     DBG_CTOR(OSubComponent,NULL);
      47             : 
      48           0 : }
      49             : // -----------------------------------------------------------------------------
      50           0 : OSubComponent::~OSubComponent()
      51             : {
      52           0 :     m_xParent = NULL;
      53             : 
      54             :     DBG_DTOR(OSubComponent,NULL);
      55           0 : }
      56             : 
      57             : // com::sun::star::lang::XTypeProvider
      58             : //--------------------------------------------------------------------------
      59           0 : Sequence< Type > OSubComponent::getTypes() throw (RuntimeException)
      60             : {
      61           0 :     OTypeCollection aTypes(::getCppuType( (const Reference< XComponent > *)0 ),
      62           0 :                            ::getCppuType( (const Reference< XTypeProvider > *)0 ),
      63           0 :                            ::getCppuType( (const Reference< XWeak > *)0 ));
      64             : 
      65           0 :     return aTypes.getTypes();
      66             : }
      67             : 
      68             : // XInterface
      69             : //--------------------------------------------------------------------------
      70           0 : void OSubComponent::acquire() throw ( )
      71             : {
      72           0 :     OComponentHelper::acquire();
      73           0 : }
      74             : 
      75             : //--------------------------------------------------------------------------
      76           0 : void OSubComponent::release() throw ( )
      77             : {
      78           0 :     Reference< XInterface > x( xDelegator );
      79           0 :     if (! x.is())
      80             :     {
      81           0 :         if (osl_atomic_decrement( &m_refCount ) == 0 )
      82             :         {
      83           0 :             if (! rBHelper.bDisposed)
      84             :             {
      85             :                 // *before* again incrementing our ref count, ensure that our weak connection point
      86             :                 // will not create references to us anymore (via XAdapter::queryAdapted)
      87           0 :                 disposeWeakConnectionPoint();
      88             : 
      89           0 :                 Reference< XInterface > xHoldAlive( *this );
      90             :                 // remember the parent
      91           0 :                 Reference< XInterface > xParent;
      92             :                 {
      93           0 :                     MutexGuard aGuard( rBHelper.rMutex );
      94           0 :                     xParent = m_xParent;
      95           0 :                     m_xParent = NULL;
      96             :                 }
      97             : 
      98             :                 OSL_ENSURE( m_refCount == 1, "OSubComponent::release: invalid ref count (before dispose)!" );
      99             : 
     100             :                 // First dispose
     101           0 :                 dispose();
     102             : 
     103             :                 // only the alive ref holds the object
     104             :                 OSL_ENSURE( m_refCount == 1, "OSubComponent::release: invalid ref count (after dispose)!" );
     105             : 
     106             :                 // release the parent in the ~
     107           0 :                 if (xParent.is())
     108             :                 {
     109           0 :                     MutexGuard aGuard( rBHelper.rMutex );
     110           0 :                     m_xParent = xParent;
     111             :                 }
     112             : 
     113             :                 // destroy the object if xHoldAlive decrement the refcount to 0
     114           0 :                 return;
     115             :             }
     116             :         }
     117             :         // restore the reference count
     118           0 :         osl_atomic_increment( &m_refCount );
     119             :     }
     120             : 
     121             :     // as we cover the job of the componenthelper we use the ...
     122           0 :     OWeakAggObject::release();
     123             : }
     124             : 
     125             : //--------------------------------------------------------------------------
     126           0 : Any OSubComponent::queryInterface( const Type & rType ) throw(RuntimeException)
     127             : {
     128           0 :     Any aReturn;
     129           0 :     if (!rType.equals(::getCppuType(static_cast< Reference< XAggregation >* >(NULL))))
     130           0 :         aReturn = OComponentHelper::queryInterface(rType);
     131             : 
     132           0 :     return aReturn;
     133             : }
     134             : 
     135             : 
     136             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */