/* -*- 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 <unointerfaceproxy.hxx>

#include <bridge.hxx>

#include <com/sun/star/uno/XInterface.hpp>

#include <utility>

#include <typelib/typedescription.h>

#include <uno/dispatcher.h>

namespace bridges::cpp_uno::shared {

void freeUnoInterfaceProxy(uno_ExtEnvironment * pEnv, void * pProxy)

{

    UnoInterfaceProxy * pThis =

        static_cast< UnoInterfaceProxy * >(

            static_cast< uno_Interface * >( pProxy ) );

    if (pEnv != pThis->pBridge->getUnoEnv()) {

        assert(false);

    }

    (*pThis->pBridge->getCppEnv()->revokeInterface)(

        pThis->pBridge->getCppEnv(), pThis->pCppI );

    pThis->pCppI->release();

    ::typelib_typedescription_release(&pThis->pTypeDescr->aBase);

    pThis->pBridge->release();

#if OSL_DEBUG_LEVEL > 1

    *(int *)pProxy = 0xdeadbabe;

#endif

    delete pThis;

}

void acquireProxy(uno_Interface * pUnoI)

{

    if (++static_cast< UnoInterfaceProxy * >( pUnoI )->nRef != 1)

        return;

    // 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

    assert(pThis == pUnoI);

#endif

}

void releaseProxy(uno_Interface * pUnoI)

{

    if (! --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,

    css::uno::XInterface * pCppI,

    typelib_InterfaceTypeDescription * pTypeDescr,

    OUString const & rOId)

{

    return new UnoInterfaceProxy(pBridge, pCppI, pTypeDescr, rOId);

}

UnoInterfaceProxy::UnoInterfaceProxy(

    bridges::cpp_uno::shared::Bridge * pBridge_,

    css::uno::XInterface * pCppI_,

    typelib_InterfaceTypeDescription * pTypeDescr_, OUString aOId_)

    : nRef( 1 )

    , pBridge( pBridge_ )

    , pCppI( pCppI_ )

    , pTypeDescr( pTypeDescr_ )

    , oid(std::move( aOId_ ))

{

    pBridge->acquire();

    ::typelib_typedescription_acquire(&pTypeDescr->aBase);

    if (!pTypeDescr->aBase.bComplete)

        ::typelib_typedescription_complete(

            reinterpret_cast<typelib_TypeDescription **>(&pTypeDescr));

    assert(pTypeDescr->aBase.bComplete);

    pCppI->acquire();

    (*pBridge->getCppEnv()->registerInterface)(

        pBridge->getCppEnv(), reinterpret_cast< void ** >( &pCppI ), oid.pData,

        pTypeDescr );

    // uno_Interface

    acquire = acquireProxy;

    release = releaseProxy;

    pDispatcher = unoInterfaceProxyDispatch;

}

UnoInterfaceProxy::~UnoInterfaceProxy()

{}

}

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