AgileReference::AgileReference(REFIID aIid, IUnknown* aObject)
: mIid(aIid)
, mGitCookie(0)
{
/*
* There are two possible techniques for creating agile references. Starting
* with Windows 8.1, we may use the RoGetAgileReference API, which is faster.
* If that API is not available, we fall back to using the Global Interface
* Table.
*/
static const DynamicallyLinkedFunctionPtr<decltype(&::RoGetAgileReference)>
pRoGetAgileReference(L"ole32.dll", "RoGetAgileReference");
MOZ_ASSERT(aObject);
if (pRoGetAgileReference &&
SUCCEEDED(pRoGetAgileReference(AGILEREFERENCE_DEFAULT, aIid, aObject,
getter_AddRefs(mAgileRef)))) {
return;
}
IGlobalInterfaceTable* git = ObtainGit();
MOZ_ASSERT(git);
if (!git) {
return;
}
DebugOnly<HRESULT> hr = git->RegisterInterfaceInGlobal(aObject, aIid,
&mGitCookie);
MOZ_ASSERT(SUCCEEDED(hr));
}
PyObject *PyIGlobalInterfaceTable::RegisterInterfaceInGlobal(PyObject *self, PyObject *args)
{
PyObject *obpUnk = NULL;
PyObject *obriid = NULL;
IUnknown * pUnk;
IID riid;
DWORD pdwCookie;
PyObject *ppyobRetval = NULL;
HRESULT hr;
IGlobalInterfaceTable *pIGIT = GetI(self);
if ( pIGIT == NULL )
{
return NULL;
}
if (!PyArg_ParseTuple(args, "OO:RegisterInterfaceInGlobal", &obpUnk, &obriid) )
{
return NULL;
}
BOOL bPythonIsHappy = TRUE;
if (!PyCom_InterfaceFromPyInstanceOrObject(obpUnk, IID_IUnknown, (void **)&pUnk, TRUE /* bNoneOK */))
bPythonIsHappy = FALSE;
if (!PyWinObject_AsIID(obriid, &riid))
bPythonIsHappy = FALSE;
if(!bPythonIsHappy)
{
return NULL;
}
PY_INTERFACE_PRECALL;
hr = pIGIT->RegisterInterfaceInGlobal( pUnk, riid, &pdwCookie );
if (pUnk) pUnk->Release();
PY_INTERFACE_POSTCALL;
if ( FAILED(hr) )
{
return PyCom_BuildPyException(hr, pIGIT, IID_IGlobalInterfaceTable );
}
ppyobRetval = Py_BuildValue("l", pdwCookie);
return ppyobRetval;
}
