xref: /AOO42X/main/bridges/source/cpp_uno/shared/unointerfaceproxy.cxx (revision 61dff127b6698e0bae836c8aedd6ec62111483d1)

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 *
 * 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
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// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_bridges.hxx"

#include "bridges/cpp_uno/shared/unointerfaceproxy.hxx"

#include "bridges/cpp_uno/shared/bridge.hxx"

#include "com/sun/star/uno/XInterface.hpp"
#include "osl/diagnose.h"
#include "osl/interlck.h"
#include "typelib/typedescription.h"
#include "uno/dispatcher.h"

namespace bridges { namespace cpp_uno { namespace shared {

void freeUnoInterfaceProxy(uno_ExtEnvironment * pEnv, void * pProxy)
{
    UnoInterfaceProxy * pThis =
        static_cast< UnoInterfaceProxy * >(
            reinterpret_cast< uno_Interface * >( pProxy ) );
    if (pEnv != pThis->pBridge->getUnoEnv()) {
        OSL_ASSERT(false);
    }

    (*pThis->pBridge->getCppEnv()->revokeInterface)(
        pThis->pBridge->getCppEnv(), pThis->pCppI );
    pThis->pCppI->release();
    ::typelib_typedescription_release(
        (typelib_TypeDescription *)pThis->pTypeDescr );
    pThis->pBridge->release();

#if OSL_DEBUG_LEVEL > 1
    *(int *)pProxy = 0xdeadbabe;
#endif
    delete pThis;
}

void acquireProxy(uno_Interface * pUnoI)
{
    if (1 == osl_incrementInterlockedCount(
            & static_cast< UnoInterfaceProxy * >( pUnoI )->nRef ))
    {
        // rebirth of proxy zombie
        // register at uno env
#if OSL_DEBUG_LEVEL > 1
        void * pThis = pUnoI;
#endif
        (*static_cast< UnoInterfaceProxy * >( pUnoI )->pBridge->getUnoEnv()->
         registerProxyInterface)(
             static_cast< UnoInterfaceProxy * >( pUnoI )->pBridge->getUnoEnv(),
             reinterpret_cast< void ** >( &pUnoI ), freeUnoInterfaceProxy,
             static_cast< UnoInterfaceProxy * >( pUnoI )->oid.pData,
             static_cast< UnoInterfaceProxy * >( pUnoI )->pTypeDescr );
#if OSL_DEBUG_LEVEL > 1
        OSL_ASSERT( pThis == pUnoI );
#endif
    }
}

void releaseProxy(uno_Interface * pUnoI)
{
    if (! osl_decrementInterlockedCount(
            & static_cast< UnoInterfaceProxy * >( pUnoI )->nRef ))
    {
        // revoke from uno env on last release
        (*static_cast< UnoInterfaceProxy * >( pUnoI )->pBridge->getUnoEnv()->
         revokeInterface)(
             static_cast< UnoInterfaceProxy * >( pUnoI )->pBridge->getUnoEnv(),
             pUnoI );
    }
}

UnoInterfaceProxy * UnoInterfaceProxy::create(
    bridges::cpp_uno::shared::Bridge * pBridge,
    com::sun::star::uno::XInterface * pCppI,
    typelib_InterfaceTypeDescription * pTypeDescr,
    rtl::OUString const & rOId) SAL_THROW(())
{
    return new UnoInterfaceProxy(pBridge, pCppI, pTypeDescr, rOId);
}

UnoInterfaceProxy::UnoInterfaceProxy(
    bridges::cpp_uno::shared::Bridge * pBridge_,
    com::sun::star::uno::XInterface * pCppI_,
    typelib_InterfaceTypeDescription * pTypeDescr_, rtl::OUString const & rOId_)
    SAL_THROW(())
    : nRef( 1 )
    , pBridge( pBridge_ )
    , pCppI( pCppI_ )
    , pTypeDescr( pTypeDescr_ )
    , oid( rOId_ )
{
    pBridge->acquire();
    ::typelib_typedescription_acquire( (typelib_TypeDescription *)pTypeDescr );
    if (! ((typelib_TypeDescription *)pTypeDescr)->bComplete)
        ::typelib_typedescription_complete(
            (typelib_TypeDescription **)&pTypeDescr );
    OSL_ENSURE(
        ((typelib_TypeDescription *)pTypeDescr)->bComplete,
        "### type is incomplete!" );
    pCppI->acquire();
    (*pBridge->getCppEnv()->registerInterface)(
        pBridge->getCppEnv(), reinterpret_cast< void ** >( &pCppI ), oid.pData,
        pTypeDescr );

    // uno_Interface
    acquire = acquireProxy;
    release = releaseProxy;
    pDispatcher = unoInterfaceProxyDispatch;
}

UnoInterfaceProxy::~UnoInterfaceProxy()
{}

} } }