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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 09:06:44 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 09:06:44 +0000 |
commit | ed5640d8b587fbcfed7dd7967f3de04b37a76f26 (patch) | |
tree | 7a5f7c6c9d02226d7471cb3cc8fbbf631b415303 /dbaccess/source/core/misc/apitools.cxx | |
parent | Initial commit. (diff) | |
download | libreoffice-ed5640d8b587fbcfed7dd7967f3de04b37a76f26.tar.xz libreoffice-ed5640d8b587fbcfed7dd7967f3de04b37a76f26.zip |
Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | dbaccess/source/core/misc/apitools.cxx | 114 |
1 files changed, 114 insertions, 0 deletions
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 <apitools.hxx> +#include <cppuhelper/typeprovider.hxx> +#include <sal/log.hxx> + +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<XComponent>::get(), + cppu::UnoType<XTypeProvider>::get(), + cppu::UnoType<XWeak>::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<XAggregation>::get())) + aReturn = OComponentHelper::queryInterface(rType); + + return aReturn; +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |