wine/dlls/ole32/ftmarshal.c
2005-03-21 11:25:13 +00:00

239 lines
6.3 KiB
C

/*
* free threaded marshaller
*
* Copyright 2002 Juergen Schmied
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "config.h"
#include <stdlib.h>
#include <stdarg.h>
#include <stdio.h>
#include <string.h>
#include <assert.h>
#define COBJMACROS
#include "windef.h"
#include "winbase.h"
#include "objbase.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(ole);
typedef struct _FTMarshalImpl {
IUnknownVtbl *lpVtbl;
DWORD ref;
IMarshalVtbl *lpvtblFTM;
IUnknown *pUnkOuter;
} FTMarshalImpl;
#define _IFTMUnknown_(This)(IUnknown*)&(This->lpVtbl)
#define _IFTMarshal_(This) (IMarshal*)&(This->lpvtblFTM)
#define _IFTMarshall_Offset ((int)(&(((FTMarshalImpl*)0)->lpvtblFTM)))
#define _ICOM_THIS_From_IFTMarshal(class, name) class* This = (class*)(((char*)name)-_IFTMarshall_Offset);
/* inner IUnknown to handle aggregation */
HRESULT WINAPI IiFTMUnknown_fnQueryInterface (IUnknown * iface, REFIID riid, LPVOID * ppv)
{
FTMarshalImpl *This = (FTMarshalImpl *)iface;
TRACE ("\n");
*ppv = NULL;
if (IsEqualIID (&IID_IUnknown, riid))
*ppv = _IFTMUnknown_ (This);
else if (IsEqualIID (&IID_IMarshal, riid))
*ppv = _IFTMarshal_ (This);
else {
FIXME ("No interface for %s.\n", debugstr_guid (riid));
return E_NOINTERFACE;
}
IUnknown_AddRef ((IUnknown *) * ppv);
return S_OK;
}
ULONG WINAPI IiFTMUnknown_fnAddRef (IUnknown * iface)
{
FTMarshalImpl *This = (FTMarshalImpl *)iface;
TRACE ("\n");
return InterlockedIncrement (&This->ref);
}
ULONG WINAPI IiFTMUnknown_fnRelease (IUnknown * iface)
{
FTMarshalImpl *This = (FTMarshalImpl *)iface;
TRACE ("\n");
if (InterlockedDecrement (&This->ref))
return This->ref;
HeapFree (GetProcessHeap (), 0, This);
return 0;
}
static IUnknownVtbl iunkvt =
{
IiFTMUnknown_fnQueryInterface,
IiFTMUnknown_fnAddRef,
IiFTMUnknown_fnRelease
};
HRESULT WINAPI FTMarshalImpl_QueryInterface (LPMARSHAL iface, REFIID riid, LPVOID * ppv)
{
_ICOM_THIS_From_IFTMarshal (FTMarshalImpl, iface);
TRACE ("(%p)->(\n\tIID:\t%s,%p)\n", This, debugstr_guid (riid), ppv);
return IUnknown_QueryInterface (This->pUnkOuter, riid, ppv);
}
ULONG WINAPI FTMarshalImpl_AddRef (LPMARSHAL iface)
{
_ICOM_THIS_From_IFTMarshal (FTMarshalImpl, iface);
TRACE ("\n");
return IUnknown_AddRef (This->pUnkOuter);
}
ULONG WINAPI FTMarshalImpl_Release (LPMARSHAL iface)
{
_ICOM_THIS_From_IFTMarshal (FTMarshalImpl, iface);
TRACE ("\n");
return IUnknown_Release (This->pUnkOuter);
}
HRESULT WINAPI FTMarshalImpl_GetUnmarshalClass (LPMARSHAL iface, REFIID riid, void *pv, DWORD dwDestContext,
void *pvDestContext, DWORD mshlflags, CLSID * pCid)
{
FIXME ("(), stub!\n");
return S_OK;
}
HRESULT WINAPI FTMarshalImpl_GetMarshalSizeMax (LPMARSHAL iface, REFIID riid, void *pv, DWORD dwDestContext,
void *pvDestContext, DWORD mshlflags, DWORD * pSize)
{
IMarshal *pMarshal = NULL;
HRESULT hres;
_ICOM_THIS_From_IFTMarshal (FTMarshalImpl, iface);
FIXME ("(), stub!\n");
/* if the marshalling happens inside the same process the interface pointer is
copied between the apartments */
if (dwDestContext == MSHCTX_INPROC || dwDestContext == MSHCTX_CROSSCTX) {
*pSize = sizeof (This);
return S_OK;
}
/* use the standard marshaller to handle all other cases */
CoGetStandardMarshal (riid, pv, dwDestContext, pvDestContext, mshlflags, &pMarshal);
hres = IMarshal_GetMarshalSizeMax (pMarshal, riid, pv, dwDestContext, pvDestContext, mshlflags, pSize);
IMarshal_Release (pMarshal);
return hres;
}
HRESULT WINAPI FTMarshalImpl_MarshalInterface (LPMARSHAL iface, IStream * pStm, REFIID riid, void *pv,
DWORD dwDestContext, void *pvDestContext, DWORD mshlflags)
{
IMarshal *pMarshal = NULL;
HRESULT hres;
_ICOM_THIS_From_IFTMarshal (FTMarshalImpl, iface);
FIXME ("(), stub!\n");
/* if the marshalling happens inside the same process the interface pointer is
copied between the apartments */
if (dwDestContext == MSHCTX_INPROC || dwDestContext == MSHCTX_CROSSCTX) {
return IStream_Write (pStm, This, sizeof (This), 0);
}
/* use the standard marshaler to handle all other cases */
CoGetStandardMarshal (riid, pv, dwDestContext, pvDestContext, mshlflags, &pMarshal);
hres = IMarshal_MarshalInterface (pMarshal, pStm, riid, pv, dwDestContext, pvDestContext, mshlflags);
IMarshal_Release (pMarshal);
return hres;
}
HRESULT WINAPI FTMarshalImpl_UnmarshalInterface (LPMARSHAL iface, IStream * pStm, REFIID riid, void **ppv)
{
FIXME ("(), stub!\n");
return S_OK;
}
HRESULT WINAPI FTMarshalImpl_ReleaseMarshalData (LPMARSHAL iface, IStream * pStm)
{
FIXME ("(), stub!\n");
return S_OK;
}
HRESULT WINAPI FTMarshalImpl_DisconnectObject (LPMARSHAL iface, DWORD dwReserved)
{
FIXME ("(), stub!\n");
return S_OK;
}
IMarshalVtbl ftmvtbl =
{
FTMarshalImpl_QueryInterface,
FTMarshalImpl_AddRef,
FTMarshalImpl_Release,
FTMarshalImpl_GetUnmarshalClass,
FTMarshalImpl_GetMarshalSizeMax,
FTMarshalImpl_MarshalInterface,
FTMarshalImpl_UnmarshalInterface,
FTMarshalImpl_ReleaseMarshalData,
FTMarshalImpl_DisconnectObject
};
/***********************************************************************
* CoCreateFreeThreadedMarshaler [OLE32.@]
*
*/
HRESULT WINAPI CoCreateFreeThreadedMarshaler (LPUNKNOWN punkOuter, LPUNKNOWN * ppunkMarshal)
{
FTMarshalImpl *ftm;
TRACE ("(%p %p)\n", punkOuter, ppunkMarshal);
ftm = HeapAlloc (GetProcessHeap (), 0, sizeof (FTMarshalImpl));
if (!ftm)
return E_OUTOFMEMORY;
ftm->lpVtbl = &iunkvt;
ftm->lpvtblFTM = &ftmvtbl;
ftm->ref = 1;
ftm->pUnkOuter = punkOuter;
*ppunkMarshal = _IFTMUnknown_ (ftm);
return S_OK;
}