From ed5640d8b587fbcfed7dd7967f3de04b37a76f26 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 11:06:44 +0200 Subject: Adding upstream version 4:7.4.7. Signed-off-by: Daniel Baumann --- dbaccess/source/core/misc/apitools.cxx | 114 +++++++++++++++++++++++++++++++++ 1 file changed, 114 insertions(+) create mode 100644 dbaccess/source/core/misc/apitools.cxx (limited to 'dbaccess/source/core/misc/apitools.cxx') diff --git a/dbaccess/source/core/misc/apitools.cxx b/dbaccess/source/core/misc/apitools.cxx new file mode 100644 index 000000000..efec92cf5 --- /dev/null +++ b/dbaccess/source/core/misc/apitools.cxx @@ -0,0 +1,114 @@ +/* -*- 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 +#include +#include + +using namespace ::com::sun::star::uno; +using namespace ::com::sun::star::lang; +using namespace cppu; +using namespace osl; + +// various helper functions +// OSubComponent +OSubComponent::OSubComponent(Mutex& _rMutex, const Reference< XInterface > & xParent) + :OComponentHelper(_rMutex) + ,m_xParent(xParent) +{ + +} + +OSubComponent::~OSubComponent() +{ + m_xParent = nullptr; + +} + +// css::lang::XTypeProvider +Sequence< Type > OSubComponent::getTypes() +{ + OTypeCollection aTypes(cppu::UnoType::get(), + cppu::UnoType::get(), + cppu::UnoType::get()); + + return aTypes.getTypes(); +} + +// XInterface + +void OSubComponent::release() noexcept +{ + 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 = nullptr; + } + + SAL_WARN_IF( m_refCount != 1, "dbaccess.core", "OSubComponent::release: invalid ref count (before dispose)!" ); + + // First dispose + dispose(); + + // only the alive ref holds the object + SAL_WARN_IF( m_refCount != 1, "dbaccess.core", "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 ) +{ + Any aReturn; + if (!rType.equals(cppu::UnoType::get())) + aReturn = OComponentHelper::queryInterface(rType); + + return aReturn; +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ -- cgit v1.2.3