bridges/inc/unointerfaceproxy.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #pragma once
  21
  22 #include <sal/config.h>
  23
  24 #include <atomic>
  25 #include <cstddef>
  26
  27 #include <rtl/ustring.hxx>
  28 #include <sal/types.h>
  29 #include <typelib/typedescription.h>
  30 #include <uno/dispatcher.h>
  31 #include <uno/environment.h>
  32
  33 namespace com::sun::star::uno { class XInterface; }
  34
  35 namespace bridges::cpp_uno::shared {
  36
  37 class Bridge;
  38
  39 extern "C" void freeUnoInterfaceProxy(
  40     uno_ExtEnvironment * pEnv, void * pProxy);
  41
  42 // private:
  43 extern "C" void unoInterfaceProxyDispatch(
  44     uno_Interface * pUnoI, typelib_TypeDescription const * pMemberDescr,
  45     void * pReturn, void * pArgs[], uno_Any ** ppException);
  46     // this function is not defined in the generic part, but instead has to be
  47     // defined individually for each CPP--UNO bridge
  48
  49 // private:
  50 extern "C" void acquireProxy(uno_Interface *);
  51
  52 // private:
  53 extern "C" void releaseProxy(uno_Interface *);
  54
  55 /**
  56  * A uno proxy wrapping a cpp interface.
  57  */
  58 class UnoInterfaceProxy: public uno_Interface {
  59 public:
  60     // Interface for Bridge:
  61
  62     static UnoInterfaceProxy * create(
  63         Bridge * pBridge, com::sun::star::uno::XInterface * pCppI,
  64         typelib_InterfaceTypeDescription * pTypeDescr,
  65         OUString const & rOId);
  66
  67     // Interface for individual CPP--UNO bridges:
  68
  69     Bridge * getBridge() { return pBridge; }
  70     com::sun::star::uno::XInterface * getCppI() { return pCppI; }
  71
  72 private:
  73     UnoInterfaceProxy(UnoInterfaceProxy const &) = delete;
  74     UnoInterfaceProxy& operator =(const UnoInterfaceProxy&) = delete;
  75
  76     UnoInterfaceProxy(
  77         Bridge * pBridge_, com::sun::star::uno::XInterface * pCppI_,
  78         typelib_InterfaceTypeDescription * pTypeDescr_,
  79         OUString const & rOId_);
  80
  81     ~UnoInterfaceProxy();
  82
  83     std::atomic<std::size_t> nRef;
  84     Bridge * pBridge;
  85
  86     // mapping information
  87     com::sun::star::uno::XInterface * pCppI; // wrapped interface
  88     typelib_InterfaceTypeDescription * pTypeDescr;
  89     OUString oid;
  90
  91     friend void freeUnoInterfaceProxy(
  92         uno_ExtEnvironment * pEnv, void * pProxy);
  93
  94     friend void unoInterfaceProxyDispatch(
  95         uno_Interface * pUnoI, typelib_TypeDescription const * pMemberDescr,
  96         void * pReturn, void * pArgs[], uno_Any ** ppException);
  97
  98     friend void acquireProxy(uno_Interface * pUnoI);
  99
 100     friend void releaseProxy(uno_Interface * pUnoI);
 101 };
 102
 103 }
 104
 105 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */