xref: /trunk/main/connectivity/source/inc/OSubComponent.hxx (revision 914d351e5f5b84e4342a86d6ab8d4aca7308b9bd)

/**************************************************************
 *
 * 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
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 *
 *************************************************************/


#ifndef _CONNECTIVITY_OSUBCOMPONENT_HXX_
#define _CONNECTIVITY_OSUBCOMPONENT_HXX_

#include <cppuhelper/weak.hxx>
#include <cppuhelper/interfacecontainer.h>
#include "connectivity/dbtoolsdllapi.hxx"

namespace com
{
    namespace sun
    {
        namespace star
        {
            namespace lang
            {
                class XComponent;
            }
        }
    }
}
namespace connectivity
{
    OOO_DLLPUBLIC_DBTOOLS
    void release(oslInterlockedCount& _refCount,
                 ::cppu::OBroadcastHelper& rBHelper,
                 ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface >& _xInterface,
                 ::com::sun::star::lang::XComponent* _pObject);
    //************************************************************
    // OSubComponent
    //************************************************************
    template <class SELF, class WEAK> class OSubComponent
    {
    protected:
        // the parent must support the tunnel implementation
        ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface > m_xParent;
        SELF*   m_pDerivedImplementation;

    public:
        OSubComponent(
                const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface >& _xParent,
                SELF* _pDerivedImplementation)
            :m_xParent(_xParent)
            ,m_pDerivedImplementation(_pDerivedImplementation)
        {
        }

    protected:
        void dispose_ChildImpl()
        {
            // avoid ambiguity
            ::osl::MutexGuard aGuard( m_pDerivedImplementation->WEAK::rBHelper.rMutex );
        m_xParent.clear();
        }
        void relase_ChildImpl()
        {
            ::connectivity::release(m_pDerivedImplementation->m_refCount,
                                    m_pDerivedImplementation->WEAK::rBHelper,
                                    m_xParent,
                                    m_pDerivedImplementation);

            m_pDerivedImplementation->WEAK::release();
        }
    };
}
#endif // _CONNECTIVITY_OSUBCOMPONENT_HXX_