bridges/inc/cppinterfaceproxy.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
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   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
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  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 #ifndef INCLUDED_BRIDGES_INC_CPPINTERFACEPROXY_HXX
  21 #define INCLUDED_BRIDGES_INC_CPPINTERFACEPROXY_HXX
  22
  23 #include <sal/config.h>
  24
  25 #include <atomic>
  26 #include <cstddef>
  27
  28 #include <rtl/ustring.hxx>
  29 #include <sal/types.h>
  30 #include <typelib/typedescription.h>
  31 #include <uno/dispatcher.h>
  32 #include <uno/environment.h>
  33 #include "vtablefactory.hxx"
  34
  35 namespace com { namespace sun { namespace star { namespace uno {
  36     class XInterface;
  37 } } } }
  38
  39 #if !defined __GNUG__
  40 void dso_init();
  41 void dso_exit();
  42 #endif
  43
  44 namespace bridges { namespace cpp_uno { namespace shared {
  45
  46 class Bridge;
  47
  48 extern "C" void freeCppInterfaceProxy(
  49     uno_ExtEnvironment * pEnv, void * pInterface);
  50
  51 /**
  52  * A cpp proxy wrapping a uno interface.
  53  */
  54 class CppInterfaceProxy {
  55 public:
  56     // Interface for Bridge:
  57
  58     static com::sun::star::uno::XInterface * create(
  59         Bridge * pBridge, uno_Interface * pUnoI,
  60         typelib_InterfaceTypeDescription * pTypeDescr,
  61         OUString const & rOId);
  62
  63     // Interface for individual CPP--UNO bridges:
  64
  65     Bridge * getBridge() { return pBridge; }
  66     uno_Interface * getUnoI() { return pUnoI; }
  67     typelib_InterfaceTypeDescription * getTypeDescr() { return pTypeDescr; }
  68     const OUString& getOid() const { return oid; }
  69
  70     // non virtual methods called on incoming vtable calls #1, #2
  71     void acquireProxy();
  72     void releaseProxy();
  73
  74     static CppInterfaceProxy * castInterfaceToProxy(void * pInterface);
  75
  76 private:
  77     CppInterfaceProxy(CppInterfaceProxy const &) = delete;
  78     CppInterfaceProxy& operator =(const CppInterfaceProxy&) = delete;
  79
  80     CppInterfaceProxy(
  81         Bridge * pBridge_, uno_Interface * pUnoI_,
  82         typelib_InterfaceTypeDescription * pTypeDescr_,
  83         OUString const & rOId_);
  84
  85     ~CppInterfaceProxy();
  86
  87     static com::sun::star::uno::XInterface * castProxyToInterface(
  88         CppInterfaceProxy * pProxy);
  89
  90     std::atomic<std::size_t> nRef;
  91     Bridge * pBridge;
  92
  93     // mapping information
  94     uno_Interface * pUnoI; // wrapped interface
  95     typelib_InterfaceTypeDescription * pTypeDescr;
  96     OUString oid;
  97
  98     VtableFactory::Slot * vtables[1];
  99
 100     friend void freeCppInterfaceProxy(
 101         uno_ExtEnvironment * pEnv, void * pInterface);
 102 };
 103
 104 } } }
 105
 106 #endif
 107
 108 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */