LibreOffice Module bridges (master)  1
unointerfaceproxy.cxx
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15  * License, Version 2.0 (the "License"); you may not use this file
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17  * the License at http://www.apache.org/licenses/LICENSE-2.0 .
18  */
19 
20 #include <unointerfaceproxy.hxx>
21 
22 #include <bridge.hxx>
23 
24 #include <com/sun/star/uno/XInterface.hpp>
25 #include <utility>
26 #include <typelib/typedescription.h>
27 #include <uno/dispatcher.h>
28 
29 namespace bridges::cpp_uno::shared {
30 
31 void freeUnoInterfaceProxy(uno_ExtEnvironment * pEnv, void * pProxy)
32 {
33  UnoInterfaceProxy * pThis =
34  static_cast< UnoInterfaceProxy * >(
35  static_cast< uno_Interface * >( pProxy ) );
36  if (pEnv != pThis->pBridge->getUnoEnv()) {
37  assert(false);
38  }
39 
40  (*pThis->pBridge->getCppEnv()->revokeInterface)(
41  pThis->pBridge->getCppEnv(), pThis->pCppI );
42  pThis->pCppI->release();
43  ::typelib_typedescription_release(&pThis->pTypeDescr->aBase);
44  pThis->pBridge->release();
45 
46 #if OSL_DEBUG_LEVEL > 1
47  *(int *)pProxy = 0xdeadbabe;
48 #endif
49  delete pThis;
50 }
51 
52 void acquireProxy(uno_Interface * pUnoI)
53 {
54  if (++static_cast< UnoInterfaceProxy * >( pUnoI )->nRef != 1)
55  return;
56 
57  // rebirth of proxy zombie
58  // register at uno env
59 #if OSL_DEBUG_LEVEL > 1
60  void * pThis = pUnoI;
61 #endif
62  (*static_cast< UnoInterfaceProxy * >( pUnoI )->pBridge->getUnoEnv()->
63  registerProxyInterface)(
64  static_cast< UnoInterfaceProxy * >( pUnoI )->pBridge->getUnoEnv(),
65  reinterpret_cast< void ** >( &pUnoI ), freeUnoInterfaceProxy,
66  static_cast< UnoInterfaceProxy * >( pUnoI )->oid.pData,
67  static_cast< UnoInterfaceProxy * >( pUnoI )->pTypeDescr );
68 #if OSL_DEBUG_LEVEL > 1
69  assert(pThis == pUnoI);
70 #endif
71 }
72 
73 void releaseProxy(uno_Interface * pUnoI)
74 {
75  if (! --static_cast< UnoInterfaceProxy * >( pUnoI )->nRef )
76  {
77  // revoke from uno env on last release
78  (*static_cast< UnoInterfaceProxy * >( pUnoI )->pBridge->getUnoEnv()->
79  revokeInterface)(
80  static_cast< UnoInterfaceProxy * >( pUnoI )->pBridge->getUnoEnv(),
81  pUnoI );
82  }
83 }
84 
87  com::sun::star::uno::XInterface * pCppI,
88  typelib_InterfaceTypeDescription * pTypeDescr,
89  OUString const & rOId)
90 {
91  return new UnoInterfaceProxy(pBridge, pCppI, pTypeDescr, rOId);
92 }
93 
96  com::sun::star::uno::XInterface * pCppI_,
97  typelib_InterfaceTypeDescription * pTypeDescr_, OUString aOId_)
98  : nRef( 1 )
99  , pBridge( pBridge_ )
100  , pCppI( pCppI_ )
101  , pTypeDescr( pTypeDescr_ )
102  , oid(std::move( aOId_ ))
103 {
104  pBridge->acquire();
105  ::typelib_typedescription_acquire(&pTypeDescr->aBase);
106  if (!pTypeDescr->aBase.bComplete)
107  ::typelib_typedescription_complete(
108  reinterpret_cast<typelib_TypeDescription **>(&pTypeDescr));
109  assert(pTypeDescr->aBase.bComplete);
110  pCppI->acquire();
111  (*pBridge->getCppEnv()->registerInterface)(
112  pBridge->getCppEnv(), reinterpret_cast< void ** >( &pCppI ), oid.pData,
113  pTypeDescr );
114 
115  // uno_Interface
116  acquire = acquireProxy;
117  release = releaseProxy;
118  pDispatcher = unoInterfaceProxyDispatch;
119 }
120 
122 {}
123 
124 }
125 
126 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
com::sun::star::uno::XInterface * pCppI
friend void unoInterfaceProxyDispatch(uno_Interface *pUnoI, typelib_TypeDescription const *pMemberDescr, void *pReturn, void *pArgs[], uno_Any **ppException)
A uno proxy wrapping a cpp interface.
void freeUnoInterfaceProxy(uno_ExtEnvironment *pEnv, void *pProxy)
static UnoInterfaceProxy * create(Bridge *pBridge, com::sun::star::uno::XInterface *pCppI, typelib_InterfaceTypeDescription *pTypeDescr, OUString const &rOId)
void releaseProxy(uno_Interface *pUnoI)
uno_ExtEnvironment * getUnoEnv()
Definition: bridge.hxx:70
uno_ExtEnvironment * getCppEnv()
Definition: bridge.hxx:69
sal_Int32 nRef
typelib_InterfaceTypeDescription * pTypeDescr
friend void releaseProxy(uno_Interface *pUnoI)
void acquireProxy(uno_Interface *pUnoI)
UnoInterfaceProxy(UnoInterfaceProxy const &)=delete
friend void acquireProxy(uno_Interface *pUnoI)
Holding environments and mappings.
Definition: bridge.hxx:54